diff options
Diffstat (limited to 'extlib')
| -rw-r--r-- | extlib/HTTP/Request2.php | 844 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Adapter.php | 152 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Adapter/Curl.php | 383 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Adapter/Mock.php | 171 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Adapter/Socket.php | 971 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Exception.php | 62 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/MultipartBody.php | 274 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Observer/Log.php | 215 | ||||
| -rw-r--r-- | extlib/HTTP/Request2/Response.php | 549 | ||||
| -rw-r--r-- | extlib/Net/LDAP2.php | 1791 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Entry.php | 1055 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Filter.php | 514 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/LDIF.php | 922 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/RootDSE.php | 240 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Schema.php | 516 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/SchemaCache.interface.php | 59 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Search.php | 614 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/SimpleFileSchemaCache.php | 97 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Util.php | 572 | ||||
| -rw-r--r-- | extlib/Net/URL2.php | 471 |
20 files changed, 10294 insertions, 178 deletions
diff --git a/extlib/HTTP/Request2.php b/extlib/HTTP/Request2.php new file mode 100644 index 000000000..e06bb86bc --- /dev/null +++ b/extlib/HTTP/Request2.php @@ -0,0 +1,844 @@ +<?php
+/**
+ * Class representing a HTTP request
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Request2.php 278226 2009-04-03 21:32:48Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * A class representing an URL as per RFC 3986.
+ */
+require_once 'Net/URL2.php';
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP request
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ * @link http://tools.ietf.org/html/rfc2616#section-5
+ */
+class HTTP_Request2 implements SplSubject
+{
+ /**#@+
+ * Constants for HTTP request methods
+ *
+ * @link http://tools.ietf.org/html/rfc2616#section-5.1.1
+ */
+ const METHOD_OPTIONS = 'OPTIONS';
+ const METHOD_GET = 'GET';
+ const METHOD_HEAD = 'HEAD';
+ const METHOD_POST = 'POST';
+ const METHOD_PUT = 'PUT';
+ const METHOD_DELETE = 'DELETE';
+ const METHOD_TRACE = 'TRACE';
+ const METHOD_CONNECT = 'CONNECT';
+ /**#@-*/
+
+ /**#@+
+ * Constants for HTTP authentication schemes
+ *
+ * @link http://tools.ietf.org/html/rfc2617
+ */
+ const AUTH_BASIC = 'basic';
+ const AUTH_DIGEST = 'digest';
+ /**#@-*/
+
+ /**
+ * Regular expression used to check for invalid symbols in RFC 2616 tokens
+ * @link http://pear.php.net/bugs/bug.php?id=15630
+ */
+ const REGEXP_INVALID_TOKEN = '![\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]!';
+
+ /**
+ * Regular expression used to check for invalid symbols in cookie strings
+ * @link http://pear.php.net/bugs/bug.php?id=15630
+ * @link http://cgi.netscape.com/newsref/std/cookie_spec.html
+ */
+ const REGEXP_INVALID_COOKIE = '/[\s,;]/';
+
+ /**
+ * Fileinfo magic database resource
+ * @var resource
+ * @see detectMimeType()
+ */
+ private static $_fileinfoDb;
+
+ /**
+ * Observers attached to the request (instances of SplObserver)
+ * @var array
+ */
+ protected $observers = array();
+
+ /**
+ * Request URL
+ * @var Net_URL2
+ */
+ protected $url;
+
+ /**
+ * Request method
+ * @var string
+ */
+ protected $method = self::METHOD_GET;
+
+ /**
+ * Authentication data
+ * @var array
+ * @see getAuth()
+ */
+ protected $auth;
+
+ /**
+ * Request headers
+ * @var array
+ */
+ protected $headers = array();
+
+ /**
+ * Configuration parameters
+ * @var array
+ * @see setConfig()
+ */
+ protected $config = array(
+ 'adapter' => 'HTTP_Request2_Adapter_Socket',
+ 'connect_timeout' => 10,
+ 'timeout' => 0,
+ 'use_brackets' => true,
+ 'protocol_version' => '1.1',
+ 'buffer_size' => 16384,
+ 'store_body' => true,
+
+ 'proxy_host' => '',
+ 'proxy_port' => '',
+ 'proxy_user' => '',
+ 'proxy_password' => '',
+ 'proxy_auth_scheme' => self::AUTH_BASIC,
+
+ 'ssl_verify_peer' => true,
+ 'ssl_verify_host' => true,
+ 'ssl_cafile' => null,
+ 'ssl_capath' => null,
+ 'ssl_local_cert' => null,
+ 'ssl_passphrase' => null,
+
+ 'digest_compat_ie' => false
+ );
+
+ /**
+ * Last event in request / response handling, intended for observers
+ * @var array
+ * @see getLastEvent()
+ */
+ protected $lastEvent = array(
+ 'name' => 'start',
+ 'data' => null
+ );
+
+ /**
+ * Request body
+ * @var string|resource
+ * @see setBody()
+ */
+ protected $body = '';
+
+ /**
+ * Array of POST parameters
+ * @var array
+ */
+ protected $postParams = array();
+
+ /**
+ * Array of file uploads (for multipart/form-data POST requests)
+ * @var array
+ */
+ protected $uploads = array();
+
+ /**
+ * Adapter used to perform actual HTTP request
+ * @var HTTP_Request2_Adapter
+ */
+ protected $adapter;
+
+
+ /**
+ * Constructor. Can set request URL, method and configuration array.
+ *
+ * Also sets a default value for User-Agent header.
+ *
+ * @param string|Net_Url2 Request URL
+ * @param string Request method
+ * @param array Configuration for this Request instance
+ */
+ public function __construct($url = null, $method = self::METHOD_GET, array $config = array())
+ {
+ if (!empty($url)) {
+ $this->setUrl($url);
+ }
+ if (!empty($method)) {
+ $this->setMethod($method);
+ }
+ $this->setConfig($config);
+ $this->setHeader('user-agent', 'HTTP_Request2/0.4.1 ' .
+ '(http://pear.php.net/package/http_request2) ' .
+ 'PHP/' . phpversion());
+ }
+
+ /**
+ * Sets the URL for this request
+ *
+ * If the URL has userinfo part (username & password) these will be removed
+ * and converted to auth data. If the URL does not have a path component,
+ * that will be set to '/'.
+ *
+ * @param string|Net_URL2 Request URL
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setUrl($url)
+ {
+ if (is_string($url)) {
+ $url = new Net_URL2($url);
+ }
+ if (!$url instanceof Net_URL2) {
+ throw new HTTP_Request2_Exception('Parameter is not a valid HTTP URL');
+ }
+ // URL contains username / password?
+ if ($url->getUserinfo()) {
+ $username = $url->getUser();
+ $password = $url->getPassword();
+ $this->setAuth(rawurldecode($username), $password? rawurldecode($password): '');
+ $url->setUserinfo('');
+ }
+ if ('' == $url->getPath()) {
+ $url->setPath('/');
+ }
+ $this->url = $url;
+
+ return $this;
+ }
+
+ /**
+ * Returns the request URL
+ *
+ * @return Net_URL2
+ */
+ public function getUrl()
+ {
+ return $this->url;
+ }
+
+ /**
+ * Sets the request method
+ *
+ * @param string
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception if the method name is invalid
+ */
+ public function setMethod($method)
+ {
+ // Method name should be a token: http://tools.ietf.org/html/rfc2616#section-5.1.1
+ if (preg_match(self::REGEXP_INVALID_TOKEN, $method)) {
+ throw new HTTP_Request2_Exception("Invalid request method '{$method}'");
+ }
+ $this->method = $method;
+
+ return $this;
+ }
+
+ /**
+ * Returns the request method
+ *
+ * @return string
+ */
+ public function getMethod()
+ {
+ return $this->method;
+ }
+
+ /**
+ * Sets the configuration parameter(s)
+ *
+ * The following parameters are available:
+ * <ul>
+ * <li> 'adapter' - adapter to use (string)</li>
+ * <li> 'connect_timeout' - Connection timeout in seconds (integer)</li>
+ * <li> 'timeout' - Total number of seconds a request can take.
+ * Use 0 for no limit, should be greater than
+ * 'connect_timeout' if set (integer)</li>
+ * <li> 'use_brackets' - Whether to append [] to array variable names (bool)</li>
+ * <li> 'protocol_version' - HTTP Version to use, '1.0' or '1.1' (string)</li>
+ * <li> 'buffer_size' - Buffer size to use for reading and writing (int)</li>
+ * <li> 'store_body' - Whether to store response body in response object.
+ * Set to false if receiving a huge response and
+ * using an Observer to save it (boolean)</li>
+ * <li> 'proxy_host' - Proxy server host (string)</li>
+ * <li> 'proxy_port' - Proxy server port (integer)</li>
+ * <li> 'proxy_user' - Proxy auth username (string)</li>
+ * <li> 'proxy_password' - Proxy auth password (string)</li>
+ * <li> 'proxy_auth_scheme' - Proxy auth scheme, one of HTTP_Request2::AUTH_* constants (string)</li>
+ * <li> 'ssl_verify_peer' - Whether to verify peer's SSL certificate (bool)</li>
+ * <li> 'ssl_verify_host' - Whether to check that Common Name in SSL
+ * certificate matches host name (bool)</li>
+ * <li> 'ssl_cafile' - Cerificate Authority file to verify the peer
+ * with (use with 'ssl_verify_peer') (string)</li>
+ * <li> 'ssl_capath' - Directory holding multiple Certificate
+ * Authority files (string)</li>
+ * <li> 'ssl_local_cert' - Name of a file containing local cerificate (string)</li>
+ * <li> 'ssl_passphrase' - Passphrase with which local certificate
+ * was encoded (string)</li>
+ * <li> 'digest_compat_ie' - Whether to imitate behaviour of MSIE 5 and 6
+ * in using URL without query string in digest
+ * authentication (boolean)</li>
+ * </ul>
+ *
+ * @param string|array configuration parameter name or array
+ * ('parameter name' => 'parameter value')
+ * @param mixed parameter value if $nameOrConfig is not an array
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception If the parameter is unknown
+ */
+ public function setConfig($nameOrConfig, $value = null)
+ {
+ if (is_array($nameOrConfig)) {
+ foreach ($nameOrConfig as $name => $value) {
+ $this->setConfig($name, $value);
+ }
+
+ } else {
+ if (!array_key_exists($nameOrConfig, $this->config)) {
+ throw new HTTP_Request2_Exception(
+ "Unknown configuration parameter '{$nameOrConfig}'"
+ );
+ }
+ $this->config[$nameOrConfig] = $value;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the value(s) of the configuration parameter(s)
+ *
+ * @param string parameter name
+ * @return mixed value of $name parameter, array of all configuration
+ * parameters if $name is not given
+ * @throws HTTP_Request2_Exception If the parameter is unknown
+ */
+ public function getConfig($name = null)
+ {
+ if (null === $name) {
+ return $this->config;
+ } elseif (!array_key_exists($name, $this->config)) {
+ throw new HTTP_Request2_Exception(
+ "Unknown configuration parameter '{$name}'"
+ );
+ }
+ return $this->config[$name];
+ }
+
+ /**
+ * Sets the autentification data
+ *
+ * @param string user name
+ * @param string password
+ * @param string authentication scheme
+ * @return HTTP_Request2
+ */
+ public function setAuth($user, $password = '', $scheme = self::AUTH_BASIC)
+ {
+ if (empty($user)) {
+ $this->auth = null;
+ } else {
+ $this->auth = array(
+ 'user' => (string)$user,
+ 'password' => (string)$password,
+ 'scheme' => $scheme
+ );
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the authentication data
+ *
+ * The array has the keys 'user', 'password' and 'scheme', where 'scheme'
+ * is one of the HTTP_Request2::AUTH_* constants.
+ *
+ * @return array
+ */
+ public function getAuth()
+ {
+ return $this->auth;
+ }
+
+ /**
+ * Sets request header(s)
+ *
+ * The first parameter may be either a full header string 'header: value' or
+ * header name. In the former case $value parameter is ignored, in the latter
+ * the header's value will either be set to $value or the header will be
+ * removed if $value is null. The first parameter can also be an array of
+ * headers, in that case method will be called recursively.
+ *
+ * Note that headers are treated case insensitively as per RFC 2616.
+ *
+ * <code>
+ * $req->setHeader('Foo: Bar'); // sets the value of 'Foo' header to 'Bar'
+ * $req->setHeader('FoO', 'Baz'); // sets the value of 'Foo' header to 'Baz'
+ * $req->setHeader(array('foo' => 'Quux')); // sets the value of 'Foo' header to 'Quux'
+ * $req->setHeader('FOO'); // removes 'Foo' header from request
+ * </code>
+ *
+ * @param string|array header name, header string ('Header: value')
+ * or an array of headers
+ * @param string|null header value, header will be removed if null
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setHeader($name, $value = null)
+ {
+ if (is_array($name)) {
+ foreach ($name as $k => $v) {
+ if (is_string($k)) {
+ $this->setHeader($k, $v);
+ } else {
+ $this->setHeader($v);
+ }
+ }
+ } else {
+ if (null === $value && strpos($name, ':')) {
+ list($name, $value) = array_map('trim', explode(':', $name, 2));
+ }
+ // Header name should be a token: http://tools.ietf.org/html/rfc2616#section-4.2
+ if (preg_match(self::REGEXP_INVALID_TOKEN, $name)) {
+ throw new HTTP_Request2_Exception("Invalid header name '{$name}'");
+ }
+ // Header names are case insensitive anyway
+ $name = strtolower($name);
+ if (null === $value) {
+ unset($this->headers[$name]);
+ } else {
+ $this->headers[$name] = $value;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the request headers
+ *
+ * The array is of the form ('header name' => 'header value'), header names
+ * are lowercased
+ *
+ * @return array
+ */
+ public function getHeaders()
+ {
+ return $this->headers;
+ }
+
+ /**
+ * Appends a cookie to "Cookie:" header
+ *
+ * @param string cookie name
+ * @param string cookie value
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function addCookie($name, $value)
+ {
+ $cookie = $name . '=' . $value;
+ if (preg_match(self::REGEXP_INVALID_COOKIE, $cookie)) {
+ throw new HTTP_Request2_Exception("Invalid cookie: '{$cookie}'");
+ }
+ $cookies = empty($this->headers['cookie'])? '': $this->headers['cookie'] . '; ';
+ $this->setHeader('cookie', $cookies . $cookie);
+
+ return $this;
+ }
+
+ /**
+ * Sets the request body
+ *
+ * @param string Either a string with the body or filename containing body
+ * @param bool Whether first parameter is a filename
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setBody($body, $isFilename = false)
+ {
+ if (!$isFilename) {
+ $this->body = (string)$body;
+ } else {
+ if (!($fp = @fopen($body, 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$body}");
+ }
+ $this->body = $fp;
+ if (empty($this->headers['content-type'])) {
+ $this->setHeader('content-type', self::detectMimeType($body));
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the request body
+ *
+ * @return string|resource|HTTP_Request2_MultipartBody
+ */
+ public function getBody()
+ {
+ if (self::METHOD_POST == $this->method &&
+ (!empty($this->postParams) || !empty($this->uploads))
+ ) {
+ if ('application/x-www-form-urlencoded' == $this->headers['content-type']) {
+ $body = http_build_query($this->postParams, '', '&');
+ if (!$this->getConfig('use_brackets')) {
+ $body = preg_replace('/%5B\d+%5D=/', '=', $body);
+ }
+ // support RFC 3986 by not encoding '~' symbol (request #15368)
+ return str_replace('%7E', '~', $body);
+
+ } elseif ('multipart/form-data' == $this->headers['content-type']) {
+ require_once 'HTTP/Request2/MultipartBody.php';
+ return new HTTP_Request2_MultipartBody(
+ $this->postParams, $this->uploads, $this->getConfig('use_brackets')
+ );
+ }
+ }
+ return $this->body;
+ }
+
+ /**
+ * Adds a file to form-based file upload
+ *
+ * Used to emulate file upload via a HTML form. The method also sets
+ * Content-Type of HTTP request to 'multipart/form-data'.
+ *
+ * If you just want to send the contents of a file as the body of HTTP
+ * request you should use setBody() method.
+ *
+ * @param string name of file-upload field
+ * @param mixed full name of local file
+ * @param string filename to send in the request
+ * @param string content-type of file being uploaded
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function addUpload($fieldName, $filename, $sendFilename = null,
+ $contentType = null)
+ {
+ if (!is_array($filename)) {
+ if (!($fp = @fopen($filename, 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$filename}");
+ }
+ $this->uploads[$fieldName] = array(
+ 'fp' => $fp,
+ 'filename' => empty($sendFilename)? basename($filename): $sendFilename,
+ 'size' => filesize($filename),
+ 'type' => empty($contentType)? self::detectMimeType($filename): $contentType
+ );
+ } else {
+ $fps = $names = $sizes = $types = array();
+ foreach ($filename as $f) {
+ if (!is_array($f)) {
+ $f = array($f);
+ }
+ if (!($fp = @fopen($f[0], 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$f[0]}");
+ }
+ $fps[] = $fp;
+ $names[] = empty($f[1])? basename($f[0]): $f[1];
+ $sizes[] = filesize($f[0]);
+ $types[] = empty($f[2])? self::detectMimeType($f[0]): $f[2];
+ }
+ $this->uploads[$fieldName] = array(
+ 'fp' => $fps, 'filename' => $names, 'size' => $sizes, 'type' => $types
+ );
+ }
+ if (empty($this->headers['content-type']) ||
+ 'application/x-www-form-urlencoded' == $this->headers['content-type']
+ ) {
+ $this->setHeader('content-type', 'multipart/form-data');
+ }
+
+ return $this;
+ }
+
+ /**
+ * Adds POST parameter(s) to the request.
+ *
+ * @param string|array parameter name or array ('name' => 'value')
+ * @param mixed parameter value (can be an array)
+ * @return HTTP_Request2
+ */
+ public function addPostParameter($name, $value = null)
+ {
+ if (!is_array($name)) {
+ $this->postParams[$name] = $value;
+ } else {
+ foreach ($name as $k => $v) {
+ $this->addPostParameter($k, $v);
+ }
+ }
+ if (empty($this->headers['content-type'])) {
+ $this->setHeader('content-type', 'application/x-www-form-urlencoded');
+ }
+
+ return $this;
+ }
+
+ /**
+ * Attaches a new observer
+ *
+ * @param SplObserver
+ */
+ public function attach(SplObserver $observer)
+ {
+ foreach ($this->observers as $attached) {
+ if ($attached === $observer) {
+ return;
+ }
+ }
+ $this->observers[] = $observer;
+ }
+
+ /**
+ * Detaches an existing observer
+ *
+ * @param SplObserver
+ */
+ public function detach(SplObserver $observer)
+ {
+ foreach ($this->observers as $key => $attached) {
+ if ($attached === $observer) {
+ unset($this->observers[$key]);
+ return;
+ }
+ }
+ }
+
+ /**
+ * Notifies all observers
+ */
+ public function notify()
+ {
+ foreach ($this->observers as $observer) {
+ $observer->update($this);
+ }
+ }
+
+ /**
+ * Sets the last event
+ *
+ * Adapters should use this method to set the current state of the request
+ * and notify the observers.
+ *
+ * @param string event name
+ * @param mixed event data
+ */
+ public function setLastEvent($name, $data = null)
+ {
+ $this->lastEvent = array(
+ 'name' => $name,
+ 'data' => $data
+ );
+ $this->notify();
+ }
+
+ /**
+ * Returns the last event
+ *
+ * Observers should use this method to access the last change in request.
+ * The following event names are possible:
+ * <ul>
+ * <li>'connect' - after connection to remote server,
+ * data is the destination (string)</li>
+ * <li>'disconnect' - after disconnection from server</li>
+ * <li>'sentHeaders' - after sending the request headers,
+ * data is the headers sent (string)</li>
+ * <li>'sentBodyPart' - after sending a part of the request body,
+ * data is the length of that part (int)</li>
+ * <li>'receivedHeaders' - after receiving the response headers,
+ * data is HTTP_Request2_Response object</li>
+ * <li>'receivedBodyPart' - after receiving a part of the response
+ * body, data is that part (string)</li>
+ * <li>'receivedEncodedBodyPart' - as 'receivedBodyPart', but data is still
+ * encoded by Content-Encoding</li>
+ * <li>'receivedBody' - after receiving the complete response
+ * body, data is HTTP_Request2_Response object</li>
+ * </ul>
+ * Different adapters may not send all the event types. Mock adapter does
+ * not send any events to the observers.
+ *
+ * @return array The array has two keys: 'name' and 'data'
+ */
+ public function getLastEvent()
+ {
+ return $this->lastEvent;
+ }
+
+ /**
+ * Sets the adapter used to actually perform the request
+ *
+ * You can pass either an instance of a class implementing HTTP_Request2_Adapter
+ * or a class name. The method will only try to include a file if the class
+ * name starts with HTTP_Request2_Adapter_, it will also try to prepend this
+ * prefix to the class name if it doesn't contain any underscores, so that
+ * <code>
+ * $request->setAdapter('curl');
+ * </code>
+ * will work.
+ *
+ * @param string|HTTP_Request2_Adapter
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setAdapter($adapter)
+ {
+ if (is_string($adapter)) {
+ if (!class_exists($adapter, false)) {
+ if (false === strpos($adapter, '_')) {
+ $adapter = 'HTTP_Request2_Adapter_' . ucfirst($adapter);
+ }
+ if (preg_match('/^HTTP_Request2_Adapter_([a-zA-Z0-9]+)$/', $adapter)) {
+ include_once str_replace('_', DIRECTORY_SEPARATOR, $adapter) . '.php';
+ }
+ if (!class_exists($adapter, false)) {
+ throw new HTTP_Request2_Exception("Class {$adapter} not found");
+ }
+ }
+ $adapter = new $adapter;
+ }
+ if (!$adapter instanceof HTTP_Request2_Adapter) {
+ throw new HTTP_Request2_Exception('Parameter is not a HTTP request adapter');
+ }
+ $this->adapter = $adapter;
+
+ return $this;
+ }
+
+ /**
+ * Sends the request and returns the response
+ *
+ * @throws HTTP_Request2_Exception
+ * @return HTTP_Request2_Response
+ */
+ public function send()
+ {
+ // Sanity check for URL
+ if (!$this->url instanceof Net_URL2) {
+ throw new HTTP_Request2_Exception('No URL given');
+ } elseif (!$this->url->isAbsolute()) {
+ throw new HTTP_Request2_Exception('Absolute URL required');
+ } elseif (!in_array(strtolower($this->url->getScheme()), array('https', 'http'))) {
+ throw new HTTP_Request2_Exception('Not a HTTP URL');
+ }
+ if (empty($this->adapter)) {
+ $this->setAdapter($this->getConfig('adapter'));
+ }
+ // magic_quotes_runtime may break file uploads and chunked response
+ // processing; see bug #4543
+ if ($magicQuotes = ini_get('magic_quotes_runtime')) {
+ ini_set('magic_quotes_runtime', false);
+ }
+ // force using single byte encoding if mbstring extension overloads
+ // strlen() and substr(); see bug #1781, bug #10605
+ if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+ $oldEncoding = mb_internal_encoding();
+ mb_internal_encoding('iso-8859-1');
+ }
+
+ try {
+ $response = $this->adapter->sendRequest($this);
+ } catch (Exception $e) {
+ }
+ // cleanup in either case (poor man's "finally" clause)
+ if ($magicQuotes) {
+ ini_set('magic_quotes_runtime', true);
+ }
+ if (!empty($oldEncoding)) {
+ mb_internal_encoding($oldEncoding);
+ }
+ // rethrow the exception
+ if (!empty($e)) {
+ throw $e;
+ }
+ return $response;
+ }
+
+ /**
+ * Tries to detect MIME type of a file
+ *
+ * The method will try to use fileinfo extension if it is available,
+ * deprecated mime_content_type() function in the other case. If neither
+ * works, default 'application/octet-stream' MIME type is returned
+ *
+ * @param string filename
+ * @return string file MIME type
+ */
+ protected static function detectMimeType($filename)
+ {
+ // finfo extension from PECL available
+ if (function_exists('finfo_open')) {
+ if (!isset(self::$_fileinfoDb)) {
+ self::$_fileinfoDb = @finfo_open(FILEINFO_MIME);
+ }
+ if (self::$_fileinfoDb) {
+ $info = finfo_file(self::$_fileinfoDb, $filename);
+ }
+ }
+ // (deprecated) mime_content_type function available
+ if (empty($info) && function_exists('mime_content_type')) {
+ return mime_content_type($filename);
+ }
+ return empty($info)? 'application/octet-stream': $info;
+ }
+}
+?>
\ No newline at end of file diff --git a/extlib/HTTP/Request2/Adapter.php b/extlib/HTTP/Request2/Adapter.php new file mode 100644 index 000000000..39b092b34 --- /dev/null +++ b/extlib/HTTP/Request2/Adapter.php @@ -0,0 +1,152 @@ +<?php
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Adapter.php 274684 2009-01-26 23:07:27Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class representing a HTTP response
+ */
+require_once 'HTTP/Request2/Response.php';
+
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * HTTP_Request2 class itself only defines methods for aggregating the request
+ * data, all actual work of sending the request to the remote server and
+ * receiving its response is performed by adapters.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ */
+abstract class HTTP_Request2_Adapter
+{
+ /**
+ * A list of methods that MUST NOT have a request body, per RFC 2616
+ * @var array
+ */
+ protected static $bodyDisallowed = array('TRACE');
+
+ /**
+ * Methods having defined semantics for request body
+ *
+ * Content-Length header (indicating that the body follows, section 4.3 of
+ * RFC 2616) will be sent for these methods even if no body was added
+ *
+ * @var array
+ * @link http://pear.php.net/bugs/bug.php?id=12900
+ * @link http://pear.php.net/bugs/bug.php?id=14740
+ */
+ protected static $bodyRequired = array('POST', 'PUT');
+
+ /**
+ * Request being sent
+ * @var HTTP_Request2
+ */
+ protected $request;
+
+ /**
+ * Request body
+ * @var string|resource|HTTP_Request2_MultipartBody
+ * @see HTTP_Request2::getBody()
+ */
+ protected $requestBody;
+
+ /**
+ * Length of the request body
+ * @var integer
+ */
+ protected $contentLength;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ abstract public function sendRequest(HTTP_Request2 $request);
+
+ /**
+ * Calculates length of the request body, adds proper headers
+ *
+ * @param array associative array of request headers, this method will
+ * add proper 'Content-Length' and 'Content-Type' headers
+ * to this array (or remove them if not needed)
+ */
+ protected function calculateRequestLength(&$headers)
+ {
+ $this->requestBody = $this->request->getBody();
+
+ if (is_string($this->requestBody)) {
+ $this->contentLength = strlen($this->requestBody);
+ } elseif (is_resource($this->requestBody)) {
+ $stat = fstat($this->requestBody);
+ $this->contentLength = $stat['size'];
+ rewind($this->requestBody);
+ } else {
+ $this->contentLength = $this->requestBody->getLength();
+ $headers['content-type'] = 'multipart/form-data; boundary=' .
+ $this->requestBody->getBoundary();
+ $this->requestBody->rewind();
+ }
+
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength
+ ) {
+ unset($headers['content-type']);
+ // No body: send a Content-Length header nonetheless (request #12900),
+ // but do that only for methods that require a body (bug #14740)
+ if (in_array($this->request->getMethod(), self::$bodyRequired)) {
+ $headers['content-length'] = 0;
+ } else {
+ unset($headers['content-length']);
+ }
+ } else {
+ if (empty($headers['content-type'])) {
+ $headers['content-type'] = 'application/x-www-form-urlencoded';
+ }
+ $headers['content-length'] = $this->contentLength;
+ }
+ }
+}
+?>
diff --git a/extlib/HTTP/Request2/Adapter/Curl.php b/extlib/HTTP/Request2/Adapter/Curl.php new file mode 100644 index 000000000..4d4de0dcc --- /dev/null +++ b/extlib/HTTP/Request2/Adapter/Curl.php @@ -0,0 +1,383 @@ +<?php
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Curl.php 278226 2009-04-03 21:32:48Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ */
+class HTTP_Request2_Adapter_Curl extends HTTP_Request2_Adapter
+{
+ /**
+ * Mapping of header names to cURL options
+ * @var array
+ */
+ protected static $headerMap = array(
+ 'accept-encoding' => CURLOPT_ENCODING,
+ 'cookie' => CURLOPT_COOKIE,
+ 'referer' => CURLOPT_REFERER,
+ 'user-agent' => CURLOPT_USERAGENT
+ );
+
+ /**
+ * Mapping of SSL context options to cURL options
+ * @var array
+ */
+ protected static $sslContextMap = array(
+ 'ssl_verify_peer' => CURLOPT_SSL_VERIFYPEER,
+ 'ssl_cafile' => CURLOPT_CAINFO,
+ 'ssl_capath' => CURLOPT_CAPATH,
+ 'ssl_local_cert' => CURLOPT_SSLCERT,
+ 'ssl_passphrase' => CURLOPT_SSLCERTPASSWD
+ );
+
+ /**
+ * Response being received
+ * @var HTTP_Request2_Response
+ */
+ protected $response;
+
+ /**
+ * Whether 'sentHeaders' event was sent to observers
+ * @var boolean
+ */
+ protected $eventSentHeaders = false;
+
+ /**
+ * Whether 'receivedHeaders' event was sent to observers
+ * @var boolean
+ */
+ protected $eventReceivedHeaders = false;
+
+ /**
+ * Position within request body
+ * @var integer
+ * @see callbackReadBody()
+ */
+ protected $position = 0;
+
+ /**
+ * Information about last transfer, as returned by curl_getinfo()
+ * @var array
+ */
+ protected $lastInfo;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ if (!extension_loaded('curl')) {
+ throw new HTTP_Request2_Exception('cURL extension not available');
+ }
+
+ $this->request = $request;
+ $this->response = null;
+ $this->position = 0;
+ $this->eventSentHeaders = false;
+ $this->eventReceivedHeaders = false;
+
+ try {
+ if (false === curl_exec($ch = $this->createCurlHandle())) {
+ $errorMessage = 'Error sending request: #' . curl_errno($ch) .
+ ' ' . curl_error($ch);
+ }
+ } catch (Exception $e) {
+ }
+ $this->lastInfo = curl_getinfo($ch);
+ curl_close($ch);
+
+ if (!empty($e)) {
+ throw $e;
+ } elseif (!empty($errorMessage)) {
+ throw new HTTP_Request2_Exception($errorMessage);
+ }
+
+ if (0 < $this->lastInfo['size_download']) {
+ $this->request->setLastEvent('receivedBody', $this->response);
+ }
+ return $this->response;
+ }
+
+ /**
+ * Returns information about last transfer
+ *
+ * @return array associative array as returned by curl_getinfo()
+ */
+ public function getInfo()
+ {
+ return $this->lastInfo;
+ }
+
+ /**
+ * Creates a new cURL handle and populates it with data from the request
+ *
+ * @return resource a cURL handle, as created by curl_init()
+ * @throws HTTP_Request2_Exception
+ */
+ protected function createCurlHandle()
+ {
+ $ch = curl_init();
+
+ curl_setopt_array($ch, array(
+ // setup callbacks
+ CURLOPT_READFUNCTION => array($this, 'callbackReadBody'),
+ CURLOPT_HEADERFUNCTION => array($this, 'callbackWriteHeader'),
+ CURLOPT_WRITEFUNCTION => array($this, 'callbackWriteBody'),
+ // disallow redirects
+ CURLOPT_FOLLOWLOCATION => false,
+ // buffer size
+ CURLOPT_BUFFERSIZE => $this->request->getConfig('buffer_size'),
+ // connection timeout
+ CURLOPT_CONNECTTIMEOUT => $this->request->getConfig('connect_timeout'),
+ // save full outgoing headers, in case someone is interested
+ CURLINFO_HEADER_OUT => true,
+ // request url
+ CURLOPT_URL => $this->request->getUrl()->getUrl()
+ ));
+
+ // request timeout
+ if ($timeout = $this->request->getConfig('timeout')) {
+ curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+ }
+
+ // set HTTP version
+ switch ($this->request->getConfig('protocol_version')) {
+ case '1.0':
+ curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+ break;
+ case '1.1':
+ curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+ }
+
+ // set request method
+ switch ($this->request->getMethod()) {
+ case HTTP_Request2::METHOD_GET:
+ curl_setopt($ch, CURLOPT_HTTPGET, true);
+ break;
+ case HTTP_Request2::METHOD_POST:
+ curl_setopt($ch, CURLOPT_POST, true);
+ break;
+ default:
+ curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->request->getMethod());
+ }
+
+ // set proxy, if needed
+ if ($host = $this->request->getConfig('proxy_host')) {
+ if (!($port = $this->request->getConfig('proxy_port'))) {
+ throw new HTTP_Request2_Exception('Proxy port not provided');
+ }
+ curl_setopt($ch, CURLOPT_PROXY, $host . ':' . $port);
+ if ($user = $this->request->getConfig('proxy_user')) {
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $user . ':' .
+ $this->request->getConfig('proxy_password'));
+ switch ($this->request->getConfig('proxy_auth_scheme')) {
+ case HTTP_Request2::AUTH_BASIC:
+ curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
+ break;
+ case HTTP_Request2::AUTH_DIGEST:
+ curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
+ }
+ }
+ }
+
+ // set authentication data
+ if ($auth = $this->request->getAuth()) {
+ curl_setopt($ch, CURLOPT_USERPWD, $auth['user'] . ':' . $auth['password']);
+ switch ($auth['scheme']) {
+ case HTTP_Request2::AUTH_BASIC:
+ curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+ break;
+ case HTTP_Request2::AUTH_DIGEST:
+ curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
+ }
+ }
+
+ // set SSL options
+ if (0 == strcasecmp($this->request->getUrl()->getScheme(), 'https')) {
+ foreach ($this->request->getConfig() as $name => $value) {
+ if ('ssl_verify_host' == $name && null !== $value) {
+ curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $value? 2: 0);
+ } elseif (isset(self::$sslContextMap[$name]) && null !== $value) {
+ curl_setopt($ch, self::$sslContextMap[$name], $value);
+ }
+ }
+ }
+
+ $headers = $this->request->getHeaders();
+ // make cURL automagically send proper header
+ if (!isset($headers['accept-encoding'])) {
+ $headers['accept-encoding'] = '';
+ }
+
+ // set headers having special cURL keys
+ foreach (self::$headerMap as $name => $option) {
+ if (isset($headers[$name])) {
+ curl_setopt($ch, $option, $headers[$name]);
+ unset($headers[$name]);
+ }
+ }
+
+ $this->calculateRequestLength($headers);
+
+ // set headers not having special keys
+ $headersFmt = array();
+ foreach ($headers as $name => $value) {
+ $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+ $headersFmt[] = $canonicalName . ': ' . $value;
+ }
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headersFmt);
+
+ return $ch;
+ }
+
+ /**
+ * Callback function called by cURL for reading the request body
+ *
+ * @param resource cURL handle
+ * @param resource file descriptor (not used)
+ * @param integer maximum length of data to return
+ * @return string part of the request body, up to $length bytes
+ */
+ protected function callbackReadBody($ch, $fd, $length)
+ {
+ if (!$this->eventSentHeaders) {
+ $this->request->setLastEvent(
+ 'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+ );
+ $this->eventSentHeaders = true;
+ }
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength || $this->position >= $this->contentLength
+ ) {
+ return '';
+ }
+ if (is_string($this->requestBody)) {
+ $string = substr($this->requestBody, $this->position, $length);
+ } elseif (is_resource($this->requestBody)) {
+ $string = fread($this->requestBody, $length);
+ } else {
+ $string = $this->requestBody->read($length);
+ }
+ $this->request->setLastEvent('sentBodyPart', strlen($string));
+ $this->position += strlen($string);
+ return $string;
+ }
+
+ /**
+ * Callback function called by cURL for saving the response headers
+ *
+ * @param resource cURL handle
+ * @param string response header (with trailing CRLF)
+ * @return integer number of bytes saved
+ * @see HTTP_Request2_Response::parseHeaderLine()
+ */
+ protected function callbackWriteHeader($ch, $string)
+ {
+ // we may receive a second set of headers if doing e.g. digest auth
+ if ($this->eventReceivedHeaders || !$this->eventSentHeaders) {
+ // don't bother with 100-Continue responses (bug #15785)
+ if (!$this->eventSentHeaders ||
+ $this->response->getStatus() >= 200
+ ) {
+ $this->request->setLastEvent(
+ 'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+ );
+ }
+ $this->eventSentHeaders = true;
+ // we'll need a new response object
+ if ($this->eventReceivedHeaders) {
+ $this->eventReceivedHeaders = false;
+ $this->response = null;
+ }
+ }
+ if (empty($this->response)) {
+ $this->response = new HTTP_Request2_Response($string, false);
+ } else {
+ $this->response->parseHeaderLine($string);
+ if ('' == trim($string)) {
+ // don't bother with 100-Continue responses (bug #15785)
+ if (200 <= $this->response->getStatus()) {
+ $this->request->setLastEvent('receivedHeaders', $this->response);
+ }
+ $this->eventReceivedHeaders = true;
+ }
+ }
+ return strlen($string);
+ }
+
+ /**
+ * Callback function called by cURL for saving the response body
+ *
+ * @param resource cURL handle (not used)
+ * @param string part of the response body
+ * @return integer number of bytes saved
+ * @see HTTP_Request2_Response::appendBody()
+ */
+ protected function callbackWriteBody($ch, $string)
+ {
+ // cURL calls WRITEFUNCTION callback without calling HEADERFUNCTION if
+ // response doesn't start with proper HTTP status line (see bug #15716)
+ if (empty($this->response)) {
+ throw new HTTP_Request2_Exception("Malformed response: {$string}");
+ }
+ if ($this->request->getConfig('store_body')) {
+ $this->response->appendBody($string);
+ }
+ $this->request->setLastEvent('receivedBodyPart', $string);
+ return strlen($string);
+ }
+}
+?>
diff --git a/extlib/HTTP/Request2/Adapter/Mock.php b/extlib/HTTP/Request2/Adapter/Mock.php new file mode 100644 index 000000000..89688003b --- /dev/null +++ b/extlib/HTTP/Request2/Adapter/Mock.php @@ -0,0 +1,171 @@ +<?php
+/**
+ * Mock adapter intended for testing
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Mock.php 274406 2009-01-23 18:01:57Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Mock adapter intended for testing
+ *
+ * Can be used to test applications depending on HTTP_Request2 package without
+ * actually performing any HTTP requests. This adapter will return responses
+ * previously added via addResponse()
+ * <code>
+ * $mock = new HTTP_Request2_Adapter_Mock();
+ * $mock->addResponse("HTTP/1.1 ... ");
+ *
+ * $request = new HTTP_Request2();
+ * $request->setAdapter($mock);
+ *
+ * // This will return the response set above
+ * $response = $req->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ */
+class HTTP_Request2_Adapter_Mock extends HTTP_Request2_Adapter
+{
+ /**
+ * A queue of responses to be returned by sendRequest()
+ * @var array
+ */
+ protected $responses = array();
+
+ /**
+ * Returns the next response from the queue built by addResponse()
+ *
+ * If the queue is empty will return default empty response with status 400,
+ * if an Exception object was added to the queue it will be thrown.
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ if (count($this->responses) > 0) {
+ $response = array_shift($this->responses);
+ if ($response instanceof HTTP_Request2_Response) {
+ return $response;
+ } else {
+ // rethrow the exception,
+ $class = get_class($response);
+ $message = $response->getMessage();
+ $code = $response->getCode();
+ throw new $class($message, $code);
+ }
+ } else {
+ return self::createResponseFromString("HTTP/1.1 400 Bad Request\r\n\r\n");
+ }
+ }
+
+ /**
+ * Adds response to the queue
+ *
+ * @param mixed either a string, a pointer to an open file,
+ * a HTTP_Request2_Response or Exception object
+ * @throws HTTP_Request2_Exception
+ */
+ public function addResponse($response)
+ {
+ if (is_string($response)) {
+ $response = self::createResponseFromString($response);
+ } elseif (is_resource($response)) {
+ $response = self::createResponseFromFile($response);
+ } elseif (!$response instanceof HTTP_Request2_Response &&
+ !$response instanceof Exception
+ ) {
+ throw new HTTP_Request2_Exception('Parameter is not a valid response');
+ }
+ $this->responses[] = $response;
+ }
+
+ /**
+ * Creates a new HTTP_Request2_Response object from a string
+ *
+ * @param string
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public static function createResponseFromString($str)
+ {
+ $parts = preg_split('!(\r?\n){2}!m', $str, 2);
+ $headerLines = explode("\n", $parts[0]);
+ $response = new HTTP_Request2_Response(array_shift($headerLines));
+ foreach ($headerLines as $headerLine) {
+ $response->parseHeaderLine($headerLine);
+ }
+ $response->parseHeaderLine('');
+ if (isset($parts[1])) {
+ $response->appendBody($parts[1]);
+ }
+ return $response;
+ }
+
+ /**
+ * Creates a new HTTP_Request2_Response object from a file
+ *
+ * @param resource file pointer returned by fopen()
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public static function createResponseFromFile($fp)
+ {
+ $response = new HTTP_Request2_Response(fgets($fp));
+ do {
+ $headerLine = fgets($fp);
+ $response->parseHeaderLine($headerLine);
+ } while ('' != trim($headerLine));
+
+ while (!feof($fp)) {
+ $response->appendBody(fread($fp, 8192));
+ }
+ return $response;
+ }
+}
+?>
\ No newline at end of file diff --git a/extlib/HTTP/Request2/Adapter/Socket.php b/extlib/HTTP/Request2/Adapter/Socket.php new file mode 100644 index 000000000..ff44d4959 --- /dev/null +++ b/extlib/HTTP/Request2/Adapter/Socket.php @@ -0,0 +1,971 @@ +<?php
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Socket.php 279760 2009-05-03 10:46:42Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * This adapter uses only PHP sockets and will work on almost any PHP
+ * environment. Code is based on original HTTP_Request PEAR package.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ */
+class HTTP_Request2_Adapter_Socket extends HTTP_Request2_Adapter
+{
+ /**
+ * Regular expression for 'token' rule from RFC 2616
+ */
+ const REGEXP_TOKEN = '[^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+';
+
+ /**
+ * Regular expression for 'quoted-string' rule from RFC 2616
+ */
+ const REGEXP_QUOTED_STRING = '"(?:\\\\.|[^\\\\"])*"';
+
+ /**
+ * Connected sockets, needed for Keep-Alive support
+ * @var array
+ * @see connect()
+ */
+ protected static $sockets = array();
+
+ /**
+ * Data for digest authentication scheme
+ *
+ * The keys for the array are URL prefixes.
+ *
+ * The values are associative arrays with data (realm, nonce, nonce-count,
+ * opaque...) needed for digest authentication. Stored here to prevent making
+ * duplicate requests to digest-protected resources after we have already
+ * received the challenge.
+ *
+ * @var array
+ */
+ protected static $challenges = array();
+
+ /**
+ * Connected socket
+ * @var resource
+ * @see connect()
+ */
+ protected $socket;
+
+ /**
+ * Challenge used for server digest authentication
+ * @var array
+ */
+ protected $serverChallenge;
+
+ /**
+ * Challenge used for proxy digest authentication
+ * @var array
+ */
+ protected $proxyChallenge;
+
+ /**
+ * Global timeout, exception will be raised if request continues past this time
+ * @var integer
+ */
+ protected $timeout = null;
+
+ /**
+ * Remaining length of the current chunk, when reading chunked response
+ * @var integer
+ * @see readChunked()
+ */
+ protected $chunkLength = 0;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ $this->request = $request;
+ $keepAlive = $this->connect();
+ $headers = $this->prepareHeaders();
+
+ // Use global request timeout if given, see feature requests #5735, #8964
+ if ($timeout = $request->getConfig('timeout')) {
+ $this->timeout = time() + $timeout;
+ } else {
+ $this->timeout = null;
+ }
+
+ try {
+ if (false === @fwrite($this->socket, $headers, strlen($headers))) {
+ throw new HTTP_Request2_Exception('Error writing request');
+ }
+ // provide request headers to the observer, see request #7633
+ $this->request->setLastEvent('sentHeaders', $headers);
+ $this->writeBody();
+
+ if ($this->timeout && time() > $this->timeout) {
+ throw new HTTP_Request2_Exception(
+ 'Request timed out after ' .
+ $request->getConfig('timeout') . ' second(s)'
+ );
+ }
+
+ $response = $this->readResponse();
+
+ if (!$this->canKeepAlive($keepAlive, $response)) {
+ $this->disconnect();
+ }
+
+ if ($this->shouldUseProxyDigestAuth($response)) {
+ return $this->sendRequest($request);
+ }
+ if ($this->shouldUseServerDigestAuth($response)) {
+ return $this->sendRequest($request);
+ }
+ if ($authInfo = $response->getHeader('authentication-info')) {
+ $this->updateChallenge($this->serverChallenge, $authInfo);
+ }
+ if ($proxyInfo = $response->getHeader('proxy-authentication-info')) {
+ $this->updateChallenge($this->proxyChallenge, $proxyInfo);
+ }
+
+ } catch (Exception $e) {
+ $this->disconnect();
+ throw $e;
+ }
+
+ return $response;
+ }
+
+ /**
+ * Connects to the remote server
+ *
+ * @return bool whether the connection can be persistent
+ * @throws HTTP_Request2_Exception
+ */
+ protected function connect()
+ {
+ $secure = 0 == strcasecmp($this->request->getUrl()->getScheme(), 'https');
+ $tunnel = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+ $headers = $this->request->getHeaders();
+ $reqHost = $this->request->getUrl()->getHost();
+ if (!($reqPort = $this->request->getUrl()->getPort())) {
+ $reqPort = $secure? 443: 80;
+ }
+
+ if ($host = $this->request->getConfig('proxy_host')) {
+ if (!($port = $this->request->getConfig('proxy_port'))) {
+ throw new HTTP_Request2_Exception('Proxy port not provided');
+ }
+ $proxy = true;
+ } else {
+ $host = $reqHost;
+ $port = $reqPort;
+ $proxy = false;
+ }
+
+ if ($tunnel && !$proxy) {
+ throw new HTTP_Request2_Exception(
+ "Trying to perform CONNECT request without proxy"
+ );
+ }
+ if ($secure && !in_array('ssl', stream_get_transports())) {
+ throw new HTTP_Request2_Exception(
+ 'Need OpenSSL support for https:// requests'
+ );
+ }
+
+ // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
+ // connection token to a proxy server...
+ if ($proxy && !$secure &&
+ !empty($headers['connection']) && 'Keep-Alive' == $headers['connection']
+ ) {
+ $this->request->setHeader('connection');
+ }
+
+ $keepAlive = ('1.1' == $this->request->getConfig('protocol_version') &&
+ empty($headers['connection'])) ||
+ (!empty($headers['connection']) &&
+ 'Keep-Alive' == $headers['connection']);
+ $host = ((!$secure || $proxy)? 'tcp://': 'ssl://') . $host;
+
+ $options = array();
+ if ($secure || $tunnel) {
+ foreach ($this->request->getConfig() as $name => $value) {
+ if ('ssl_' == substr($name, 0, 4) && null !== $value) {
+ if ('ssl_verify_host' == $name) {
+ if ($value) {
+ $options['CN_match'] = $reqHost;
+ }
+ } else {
+ $options[substr($name, 4)] = $value;
+ }
+ }
+ }
+ ksort($options);
+ }
+
+ // Changing SSL context options after connection is established does *not*
+ // work, we need a new connection if options change
+ $remote = $host . ':' . $port;
+ $socketKey = $remote . (($secure && $proxy)? "->{$reqHost}:{$reqPort}": '') .
+ (empty($options)? '': ':' . serialize($options));
+ unset($this->socket);
+
+ // We use persistent connections and have a connected socket?
+ // Ensure that the socket is still connected, see bug #16149
+ if ($keepAlive && !empty(self::$sockets[$socketKey]) &&
+ !feof(self::$sockets[$socketKey])
+ ) {
+ $this->socket =& self::$sockets[$socketKey];
+
+ } elseif ($secure && $proxy && !$tunnel) {
+ $this->establishTunnel();
+ $this->request->setLastEvent(
+ 'connect', "ssl://{$reqHost}:{$reqPort} via {$host}:{$port}"
+ );
+ self::$sockets[$socketKey] =& $this->socket;
+
+ } else {
+ // Set SSL context options if doing HTTPS request or creating a tunnel
+ $context = stream_context_create();
+ foreach ($options as $name => $value) {
+ if (!stream_context_set_option($context, 'ssl', $name, $value)) {
+ throw new HTTP_Request2_Exception(
+ "Error setting SSL context option '{$name}'"
+ );
+ }
+ }
+ $this->socket = @stream_socket_client(
+ $remote, $errno, $errstr,
+ $this->request->getConfig('connect_timeout'),
+ STREAM_CLIENT_CONNECT, $context
+ );
+ if (!$this->socket) {
+ throw new HTTP_Request2_Exception(
+ "Unable to connect to {$remote}. Error #{$errno}: {$errstr}"
+ );
+ }
+ $this->request->setLastEvent('connect', $remote);
+ self::$sockets[$socketKey] =& $this->socket;
+ }
+ return $keepAlive;
+ }
+
+ /**
+ * Establishes a tunnel to a secure remote server via HTTP CONNECT request
+ *
+ * This method will fail if 'ssl_verify_peer' is enabled. Probably because PHP
+ * sees that we are connected to a proxy server (duh!) rather than the server
+ * that presents its certificate.
+ *
+ * @link http://tools.ietf.org/html/rfc2817#section-5.2
+ * @throws HTTP_Request2_Exception
+ */
+ protected function establishTunnel()
+ {
+ $donor = new self;
+ $connect = new HTTP_Request2(
+ $this->request->getUrl(), HTTP_Request2::METHOD_CONNECT,
+ array_merge($this->request->getConfig(),
+ array('adapter' => $donor))
+ );
+ $response = $connect->send();
+ // Need any successful (2XX) response
+ if (200 > $response->getStatus() || 300 <= $response->getStatus()) {
+ throw new HTTP_Request2_Exception(
+ 'Failed to connect via HTTPS proxy. Proxy response: ' .
+ $response->getStatus() . ' ' . $response->getReasonPhrase()
+ );
+ }
+ $this->socket = $donor->socket;
+
+ $modes = array(
+ STREAM_CRYPTO_METHOD_TLS_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv3_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv23_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv2_CLIENT
+ );
+
+ foreach ($modes as $mode) {
+ if (stream_socket_enable_crypto($this->socket, true, $mode)) {
+ return;
+ }
+ }
+ throw new HTTP_Request2_Exception(
+ 'Failed to enable secure connection when connecting through proxy'
+ );
+ }
+
+ /**
+ * Checks whether current connection may be reused or should be closed
+ *
+ * @param boolean whether connection could be persistent
+ * in the first place
+ * @param HTTP_Request2_Response response object to check
+ * @return boolean
+ */
+ protected function canKeepAlive($requestKeepAlive, HTTP_Request2_Response $response)
+ {
+ // Do not close socket on successful CONNECT request
+ if (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod() &&
+ 200 <= $response->getStatus() && 300 > $response->getStatus()
+ ) {
+ return true;
+ }
+
+ $lengthKnown = 'chunked' == strtolower($response->getHeader('transfer-encoding')) ||
+ null !== $response->getHeader('content-length');
+ $persistent = 'keep-alive' == strtolower($response->getHeader('connection')) ||
+ (null === $response->getHeader('connection') &&
+ '1.1' == $response->getVersion());
+ return $requestKeepAlive && $lengthKnown && $persistent;
+ }
+
+ /**
+ * Disconnects from the remote server
+ */
+ protected function disconnect()
+ {
+ if (is_resource($this->socket)) {
+ fclose($this->socket);
+ $this->socket = null;
+ $this->request->setLastEvent('disconnect');
+ }
+ }
+
+ /**
+ * Checks whether another request should be performed with server digest auth
+ *
+ * Several conditions should be satisfied for it to return true:
+ * - response status should be 401
+ * - auth credentials should be set in the request object
+ * - response should contain WWW-Authenticate header with digest challenge
+ * - there is either no challenge stored for this URL or new challenge
+ * contains stale=true parameter (in other case we probably just failed
+ * due to invalid username / password)
+ *
+ * The method stores challenge values in $challenges static property
+ *
+ * @param HTTP_Request2_Response response to check
+ * @return boolean whether another request should be performed
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function shouldUseServerDigestAuth(HTTP_Request2_Response $response)
+ {
+ // no sense repeating a request if we don't have credentials
+ if (401 != $response->getStatus() || !$this->request->getAuth()) {
+ return false;
+ }
+ if (!$challenge = $this->parseDigestChallenge($response->getHeader('www-authenticate'))) {
+ return false;
+ }
+
+ $url = $this->request->getUrl();
+ $scheme = $url->getScheme();
+ $host = $scheme . '://' . $url->getHost();
+ if ($port = $url->getPort()) {
+ if ((0 == strcasecmp($scheme, 'http') && 80 != $port) ||
+ (0 == strcasecmp($scheme, 'https') && 443 != $port)
+ ) {
+ $host .= ':' . $port;
+ }
+ }
+
+ if (!empty($challenge['domain'])) {
+ $prefixes = array();
+ foreach (preg_split('/\\s+/', $challenge['domain']) as $prefix) {
+ // don't bother with different servers
+ if ('/' == substr($prefix, 0, 1)) {
+ $prefixes[] = $host . $prefix;
+ }
+ }
+ }
+ if (empty($prefixes)) {
+ $prefixes = array($host . '/');
+ }
+
+ $ret = true;
+ foreach ($prefixes as $prefix) {
+ if (!empty(self::$challenges[$prefix]) &&
+ (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+ ) {
+ // probably credentials are invalid
+ $ret = false;
+ }
+ self::$challenges[$prefix] =& $challenge;
+ }
+ return $ret;
+ }
+
+ /**
+ * Checks whether another request should be performed with proxy digest auth
+ *
+ * Several conditions should be satisfied for it to return true:
+ * - response status should be 407
+ * - proxy auth credentials should be set in the request object
+ * - response should contain Proxy-Authenticate header with digest challenge
+ * - there is either no challenge stored for this proxy or new challenge
+ * contains stale=true parameter (in other case we probably just failed
+ * due to invalid username / password)
+ *
+ * The method stores challenge values in $challenges static property
+ *
+ * @param HTTP_Request2_Response response to check
+ * @return boolean whether another request should be performed
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function shouldUseProxyDigestAuth(HTTP_Request2_Response $response)
+ {
+ if (407 != $response->getStatus() || !$this->request->getConfig('proxy_user')) {
+ return false;
+ }
+ if (!($challenge = $this->parseDigestChallenge($response->getHeader('proxy-authenticate')))) {
+ return false;
+ }
+
+ $key = 'proxy://' . $this->request->getConfig('proxy_host') .
+ ':' . $this->request->getConfig('proxy_port');
+
+ if (!empty(self::$challenges[$key]) &&
+ (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+ ) {
+ $ret = false;
+ } else {
+ $ret = true;
+ }
+ self::$challenges[$key] = $challenge;
+ return $ret;
+ }
+
+ /**
+ * Extracts digest method challenge from (WWW|Proxy)-Authenticate header value
+ *
+ * There is a problem with implementation of RFC 2617: several of the parameters
+ * here are defined as quoted-string and thus may contain backslash escaped
+ * double quotes (RFC 2616, section 2.2). However, RFC 2617 defines unq(X) as
+ * just value of quoted-string X without surrounding quotes, it doesn't speak
+ * about removing backslash escaping.
+ *
+ * Now realm parameter is user-defined and human-readable, strange things
+ * happen when it contains quotes:
+ * - Apache allows quotes in realm, but apparently uses realm value without
+ * backslashes for digest computation
+ * - Squid allows (manually escaped) quotes there, but it is impossible to
+ * authorize with either escaped or unescaped quotes used in digest,
+ * probably it can't parse the response (?)
+ * - Both IE and Firefox display realm value with backslashes in
+ * the password popup and apparently use the same value for digest
+ *
+ * HTTP_Request2 follows IE and Firefox (and hopefully RFC 2617) in
+ * quoted-string handling, unfortunately that means failure to authorize
+ * sometimes
+ *
+ * @param string value of WWW-Authenticate or Proxy-Authenticate header
+ * @return mixed associative array with challenge parameters, false if
+ * no challenge is present in header value
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function parseDigestChallenge($headerValue)
+ {
+ $authParam = '(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+ self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')';
+ $challenge = "!(?<=^|\\s|,)Digest ({$authParam}\\s*(,\\s*|$))+!";
+ if (!preg_match($challenge, $headerValue, $matches)) {
+ return false;
+ }
+
+ preg_match_all('!' . $authParam . '!', $matches[0], $params);
+ $paramsAry = array();
+ $knownParams = array('realm', 'domain', 'nonce', 'opaque', 'stale',
+ 'algorithm', 'qop');
+ for ($i = 0; $i < count($params[0]); $i++) {
+ // section 3.2.1: Any unrecognized directive MUST be ignored.
+ if (in_array($params[1][$i], $knownParams)) {
+ if ('"' == substr($params[2][$i], 0, 1)) {
+ $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+ } else {
+ $paramsAry[$params[1][$i]] = $params[2][$i];
+ }
+ }
+ }
+ // we only support qop=auth
+ if (!empty($paramsAry['qop']) &&
+ !in_array('auth', array_map('trim', explode(',', $paramsAry['qop'])))
+ ) {
+ throw new HTTP_Request2_Exception(
+ "Only 'auth' qop is currently supported in digest authentication, " .
+ "server requested '{$paramsAry['qop']}'"
+ );
+ }
+ // we only support algorithm=MD5
+ if (!empty($paramsAry['algorithm']) && 'MD5' != $paramsAry['algorithm']) {
+ throw new HTTP_Request2_Exception(
+ "Only 'MD5' algorithm is currently supported in digest authentication, " .
+ "server requested '{$paramsAry['algorithm']}'"
+ );
+ }
+
+ return $paramsAry;
+ }
+
+ /**
+ * Parses [Proxy-]Authentication-Info header value and updates challenge
+ *
+ * @param array challenge to update
+ * @param string value of [Proxy-]Authentication-Info header
+ * @todo validate server rspauth response
+ */
+ protected function updateChallenge(&$challenge, $headerValue)
+ {
+ $authParam = '!(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+ self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')!';
+ $paramsAry = array();
+
+ preg_match_all($authParam, $headerValue, $params);
+ for ($i = 0; $i < count($params[0]); $i++) {
+ if ('"' == substr($params[2][$i], 0, 1)) {
+ $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+ } else {
+ $paramsAry[$params[1][$i]] = $params[2][$i];
+ }
+ }
+ // for now, just update the nonce value
+ if (!empty($paramsAry['nextnonce'])) {
+ $challenge['nonce'] = $paramsAry['nextnonce'];
+ $challenge['nc'] = 1;
+ }
+ }
+
+ /**
+ * Creates a value for [Proxy-]Authorization header when using digest authentication
+ *
+ * @param string user name
+ * @param string password
+ * @param string request URL
+ * @param array digest challenge parameters
+ * @return string value of [Proxy-]Authorization request header
+ * @link http://tools.ietf.org/html/rfc2617#section-3.2.2
+ */
+ protected function createDigestResponse($user, $password, $url, &$challenge)
+ {
+ if (false !== ($q = strpos($url, '?')) &&
+ $this->request->getConfig('digest_compat_ie')
+ ) {
+ $url = substr($url, 0, $q);
+ }
+
+ $a1 = md5($user . ':' . $challenge['realm'] . ':' . $password);
+ $a2 = md5($this->request->getMethod() . ':' . $url);
+
+ if (empty($challenge['qop'])) {
+ $digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $a2);
+ } else {
+ $challenge['cnonce'] = 'Req2.' . rand();
+ if (empty($challenge['nc'])) {
+ $challenge['nc'] = 1;
+ }
+ $nc = sprintf('%08x', $challenge['nc']++);
+ $digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $nc . ':' .
+ $challenge['cnonce'] . ':auth:' . $a2);
+ }
+ return 'Digest username="' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $user) . '", ' .
+ 'realm="' . $challenge['realm'] . '", ' .
+ 'nonce="' . $challenge['nonce'] . '", ' .
+ 'uri="' . $url . '", ' .
+ 'response="' . $digest . '"' .
+ (!empty($challenge['opaque'])?
+ ', opaque="' . $challenge['opaque'] . '"':
+ '') .
+ (!empty($challenge['qop'])?
+ ', qop="auth", nc=' . $nc . ', cnonce="' . $challenge['cnonce'] . '"':
+ '');
+ }
+
+ /**
+ * Adds 'Authorization' header (if needed) to request headers array
+ *
+ * @param array request headers
+ * @param string request host (needed for digest authentication)
+ * @param string request URL (needed for digest authentication)
+ * @throws HTTP_Request2_Exception
+ */
+ protected function addAuthorizationHeader(&$headers, $requestHost, $requestUrl)
+ {
+ if (!($auth = $this->request->getAuth())) {
+ return;
+ }
+ switch ($auth['scheme']) {
+ case HTTP_Request2::AUTH_BASIC:
+ $headers['authorization'] =
+ 'Basic ' . base64_encode($auth['user'] . ':' . $auth['password']);
+ break;
+
+ case HTTP_Request2::AUTH_DIGEST:
+ unset($this->serverChallenge);
+ $fullUrl = ('/' == $requestUrl[0])?
+ $this->request->getUrl()->getScheme() . '://' .
+ $requestHost . $requestUrl:
+ $requestUrl;
+ foreach (array_keys(self::$challenges) as $key) {
+ if ($key == substr($fullUrl, 0, strlen($key))) {
+ $headers['authorization'] = $this->createDigestResponse(
+ $auth['user'], $auth['password'],
+ $requestUrl, self::$challenges[$key]
+ );
+ $this->serverChallenge =& self::$challenges[$key];
+ break;
+ }
+ }
+ break;
+
+ default:
+ throw new HTTP_Request2_Exception(
+ "Unknown HTTP authentication scheme '{$auth['scheme']}'"
+ );
+ }
+ }
+
+ /**
+ * Adds 'Proxy-Authorization' header (if needed) to request headers array
+ *
+ * @param array request headers
+ * @param string request URL (needed for digest authentication)
+ * @throws HTTP_Request2_Exception
+ */
+ protected function addProxyAuthorizationHeader(&$headers, $requestUrl)
+ {
+ if (!$this->request->getConfig('proxy_host') ||
+ !($user = $this->request->getConfig('proxy_user')) ||
+ (0 == strcasecmp('https', $this->request->getUrl()->getScheme()) &&
+ HTTP_Request2::METHOD_CONNECT != $this->request->getMethod())
+ ) {
+ return;
+ }
+
+ $password = $this->request->getConfig('proxy_password');
+ switch ($this->request->getConfig('proxy_auth_scheme')) {
+ case HTTP_Request2::AUTH_BASIC:
+ $headers['proxy-authorization'] =
+ 'Basic ' . base64_encode($user . ':' . $password);
+ break;
+
+ case HTTP_Request2::AUTH_DIGEST:
+ unset($this->proxyChallenge);
+ $proxyUrl = 'proxy://' . $this->request->getConfig('proxy_host') .
+ ':' . $this->request->getConfig('proxy_port');
+ if (!empty(self::$challenges[$proxyUrl])) {
+ $headers['proxy-authorization'] = $this->createDigestResponse(
+ $user, $password,
+ $requestUrl, self::$challenges[$proxyUrl]
+ );
+ $this->proxyChallenge =& self::$challenges[$proxyUrl];
+ }
+ break;
+
+ default:
+ throw new HTTP_Request2_Exception(
+ "Unknown HTTP authentication scheme '" .
+ $this->request->getConfig('proxy_auth_scheme') . "'"
+ );
+ }
+ }
+
+
+ /**
+ * Creates the string with the Request-Line and request headers
+ *
+ * @return string
+ * @throws HTTP_Request2_Exception
+ */
+ protected function prepareHeaders()
+ {
+ $headers = $this->request->getHeaders();
+ $url = $this->request->getUrl();
+ $connect = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+ $host = $url->getHost();
+
+ $defaultPort = 0 == strcasecmp($url->getScheme(), 'https')? 443: 80;
+ if (($port = $url->getPort()) && $port != $defaultPort || $connect) {
+ $host .= ':' . (empty($port)? $defaultPort: $port);
+ }
+ // Do not overwrite explicitly set 'Host' header, see bug #16146
+ if (!isset($headers['host'])) {
+ $headers['host'] = $host;
+ }
+
+ if ($connect) {
+ $requestUrl = $host;
+
+ } else {
+ if (!$this->request->getConfig('proxy_host') ||
+ 0 == strcasecmp($url->getScheme(), 'https')
+ ) {
+ $requestUrl = '';
+ } else {
+ $requestUrl = $url->getScheme() . '://' . $host;
+ }
+ $path = $url->getPath();
+ $query = $url->getQuery();
+ $requestUrl .= (empty($path)? '/': $path) . (empty($query)? '': '?' . $query);
+ }
+
+ if ('1.1' == $this->request->getConfig('protocol_version') &&
+ extension_loaded('zlib') && !isset($headers['accept-encoding'])
+ ) {
+ $headers['accept-encoding'] = 'gzip, deflate';
+ }
+
+ $this->addAuthorizationHeader($headers, $host, $requestUrl);
+ $this->addProxyAuthorizationHeader($headers, $requestUrl);
+ $this->calculateRequestLength($headers);
+
+ $headersStr = $this->request->getMethod() . ' ' . $requestUrl . ' HTTP/' .
+ $this->request->getConfig('protocol_version') . "\r\n";
+ foreach ($headers as $name => $value) {
+ $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+ $headersStr .= $canonicalName . ': ' . $value . "\r\n";
+ }
+ return $headersStr . "\r\n";
+ }
+
+ /**
+ * Sends the request body
+ *
+ * @throws HTTP_Request2_Exception
+ */
+ protected function writeBody()
+ {
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength
+ ) {
+ return;
+ }
+
+ $position = 0;
+ $bufferSize = $this->request->getConfig('buffer_size');
+ while ($position < $this->contentLength) {
+ if (is_string($this->requestBody)) {
+ $str = substr($this->requestBody, $position, $bufferSize);
+ } elseif (is_resource($this->requestBody)) {
+ $str = fread($this->requestBody, $bufferSize);
+ } else {
+ $str = $this->requestBody->read($bufferSize);
+ }
+ if (false === @fwrite($this->socket, $str, strlen($str))) {
+ throw new HTTP_Request2_Exception('Error writing request');
+ }
+ // Provide the length of written string to the observer, request #7630
+ $this->request->setLastEvent('sentBodyPart', strlen($str));
+ $position += strlen($str);
+ }
+ }
+
+ /**
+ * Reads the remote server's response
+ *
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ protected function readResponse()
+ {
+ $bufferSize = $this->request->getConfig('buffer_size');
+
+ do {
+ $response = new HTTP_Request2_Response($this->readLine($bufferSize), true);
+ do {
+ $headerLine = $this->readLine($bufferSize);
+ $response->parseHeaderLine($headerLine);
+ } while ('' != $headerLine);
+ } while (in_array($response->getStatus(), array(100, 101)));
+
+ $this->request->setLastEvent('receivedHeaders', $response);
+
+ // No body possible in such responses
+ if (HTTP_Request2::METHOD_HEAD == $this->request->getMethod() ||
+ (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod() &&
+ 200 <= $response->getStatus() && 300 > $response->getStatus()) ||
+ in_array($response->getStatus(), array(204, 304))
+ ) {
+ return $response;
+ }
+
+ $chunked = 'chunked' == $response->getHeader('transfer-encoding');
+ $length = $response->getHeader('content-length');
+ $hasBody = false;
+ if ($chunked || null === $length || 0 < intval($length)) {
+ // RFC 2616, section 4.4:
+ // 3. ... If a message is received with both a
+ // Transfer-Encoding header field and a Content-Length header field,
+ // the latter MUST be ignored.
+ $toRead = ($chunked || null === $length)? null: $length;
+ $this->chunkLength = 0;
+
+ while (!feof($this->socket) && (is_null($toRead) || 0 < $toRead)) {
+ if ($chunked) {
+ $data = $this->readChunked($bufferSize);
+ } elseif (is_null($toRead)) {
+ $data = $this->fread($bufferSize);
+ } else {
+ $data = $this->fread(min($toRead, $bufferSize));
+ $toRead -= strlen($data);
+ }
+ if ('' == $data && (!$this->chunkLength || feof($this->socket))) {
+ break;
+ }
+
+ $hasBody = true;
+ if ($this->request->getConfig('store_body')) {
+ $response->appendBody($data);
+ }
+ if (!in_array($response->getHeader('content-encoding'), array('identity', null))) {
+ $this->request->setLastEvent('receivedEncodedBodyPart', $data);
+ } else {
+ $this->request->setLastEvent('receivedBodyPart', $data);
+ }
+ }
+ }
+
+ if ($hasBody) {
+ $this->request->setLastEvent('receivedBody', $response);
+ }
+ return $response;
+ }
+
+ /**
+ * Reads until either the end of the socket or a newline, whichever comes first
+ *
+ * Strips the trailing newline from the returned data, handles global
+ * request timeout. Method idea borrowed from Net_Socket PEAR package.
+ *
+ * @param int buffer size to use for reading
+ * @return Available data up to the newline (not including newline)
+ * @throws HTTP_Request2_Exception In case of timeout
+ */
+ protected function readLine($bufferSize)
+ {
+ $line = '';
+ while (!feof($this->socket)) {
+ if ($this->timeout) {
+ stream_set_timeout($this->socket, max($this->timeout - time(), 1));
+ }
+ $line .= @fgets($this->socket, $bufferSize);
+ $info = stream_get_meta_data($this->socket);
+ if ($info['timed_out'] || $this->timeout && time() > $this->timeout) {
+ throw new HTTP_Request2_Exception(
+ 'Request timed out after ' .
+ $this->request->getConfig('timeout') . ' second(s)'
+ );
+ }
+ if (substr($line, -1) == "\n") {
+ return rtrim($line, "\r\n");
+ }
+ }
+ return $line;
+ }
+
+ /**
+ * Wrapper around fread(), handles global request timeout
+ *
+ * @param int Reads up to this number of bytes
+ * @return Data read from socket
+ * @throws HTTP_Request2_Exception In case of timeout
+ */
+ protected function fread($length)
+ {
+ if ($this->timeout) {
+ stream_set_timeout($this->socket, max($this->timeout - time(), 1));
+ }
+ $data = fread($this->socket, $length);
+ $info = stream_get_meta_data($this->socket);
+ if ($info['timed_out'] || $this->timeout && time() > $this->timeout) {
+ throw new HTTP_Request2_Exception(
+ 'Request timed out after ' .
+ $this->request->getConfig('timeout') . ' second(s)'
+ );
+ }
+ return $data;
+ }
+
+ /**
+ * Reads a part of response body encoded with chunked Transfer-Encoding
+ *
+ * @param int buffer size to use for reading
+ * @return string
+ * @throws HTTP_Request2_Exception
+ */
+ protected function readChunked($bufferSize)
+ {
+ // at start of the next chunk?
+ if (0 == $this->chunkLength) {
+ $line = $this->readLine($bufferSize);
+ if (!preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
+ throw new HTTP_Request2_Exception(
+ "Cannot decode chunked response, invalid chunk length '{$line}'"
+ );
+ } else {
+ $this->chunkLength = hexdec($matches[1]);
+ // Chunk with zero length indicates the end
+ if (0 == $this->chunkLength) {
+ $this->readLine($bufferSize);
+ return '';
+ }
+ }
+ }
+ $data = $this->fread(min($this->chunkLength, $bufferSize));
+ $this->chunkLength -= strlen($data);
+ if (0 == $this->chunkLength) {
+ $this->readLine($bufferSize); // Trailing CRLF
+ }
+ return $data;
+ }
+}
+
+?>
\ No newline at end of file diff --git a/extlib/HTTP/Request2/Exception.php b/extlib/HTTP/Request2/Exception.php new file mode 100644 index 000000000..bfef7d6c2 --- /dev/null +++ b/extlib/HTTP/Request2/Exception.php @@ -0,0 +1,62 @@ +<?php
+/**
+ * Exception class for HTTP_Request2 package
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Exception.php 273003 2009-01-07 19:28:22Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for exceptions in PEAR
+ */
+require_once 'PEAR/Exception.php';
+
+/**
+ * Exception class for HTTP_Request2 package
+ *
+ * Such a class is required by the Exception RFC:
+ * http://pear.php.net/pepr/pepr-proposal-show.php?id=132
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @version Release: 0.4.1
+ */
+class HTTP_Request2_Exception extends PEAR_Exception
+{
+}
+?>
\ No newline at end of file diff --git a/extlib/HTTP/Request2/MultipartBody.php b/extlib/HTTP/Request2/MultipartBody.php new file mode 100644 index 000000000..d8afd8344 --- /dev/null +++ b/extlib/HTTP/Request2/MultipartBody.php @@ -0,0 +1,274 @@ +<?php
+/**
+ * Helper class for building multipart/form-data request body
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: MultipartBody.php 287306 2009-08-14 15:22:52Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class for building multipart/form-data request body
+ *
+ * The class helps to reduce memory consumption by streaming large file uploads
+ * from disk, it also allows monitoring of upload progress (see request #7630)
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ * @link http://tools.ietf.org/html/rfc1867
+ */
+class HTTP_Request2_MultipartBody
+{
+ /**
+ * MIME boundary
+ * @var string
+ */
+ private $_boundary;
+
+ /**
+ * Form parameters added via {@link HTTP_Request2::addPostParameter()}
+ * @var array
+ */
+ private $_params = array();
+
+ /**
+ * File uploads added via {@link HTTP_Request2::addUpload()}
+ * @var array
+ */
+ private $_uploads = array();
+
+ /**
+ * Header for parts with parameters
+ * @var string
+ */
+ private $_headerParam = "--%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n";
+
+ /**
+ * Header for parts with uploads
+ * @var string
+ */
+ private $_headerUpload = "--%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\nContent-Type: %s\r\n\r\n";
+
+ /**
+ * Current position in parameter and upload arrays
+ *
+ * First number is index of "current" part, second number is position within
+ * "current" part
+ *
+ * @var array
+ */
+ private $_pos = array(0, 0);
+
+
+ /**
+ * Constructor. Sets the arrays with POST data.
+ *
+ * @param array values of form fields set via {@link HTTP_Request2::addPostParameter()}
+ * @param array file uploads set via {@link HTTP_Request2::addUpload()}
+ * @param bool whether to append brackets to array variable names
+ */
+ public function __construct(array $params, array $uploads, $useBrackets = true)
+ {
+ $this->_params = self::_flattenArray('', $params, $useBrackets);
+ foreach ($uploads as $fieldName => $f) {
+ if (!is_array($f['fp'])) {
+ $this->_uploads[] = $f + array('name' => $fieldName);
+ } else {
+ for ($i = 0; $i < count($f['fp']); $i++) {
+ $upload = array(
+ 'name' => ($useBrackets? $fieldName . '[' . $i . ']': $fieldName)
+ );
+ foreach (array('fp', 'filename', 'size', 'type') as $key) {
+ $upload[$key] = $f[$key][$i];
+ }
+ $this->_uploads[] = $upload;
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns the length of the body to use in Content-Length header
+ *
+ * @return integer
+ */
+ public function getLength()
+ {
+ $boundaryLength = strlen($this->getBoundary());
+ $headerParamLength = strlen($this->_headerParam) - 4 + $boundaryLength;
+ $headerUploadLength = strlen($this->_headerUpload) - 8 + $boundaryLength;
+ $length = $boundaryLength + 6;
+ foreach ($this->_params as $p) {
+ $length += $headerParamLength + strlen($p[0]) + strlen($p[1]) + 2;
+ }
+ foreach ($this->_uploads as $u) {
+ $length += $headerUploadLength + strlen($u['name']) + strlen($u['type']) +
+ strlen($u['filename']) + $u['size'] + 2;
+ }
+ return $length;
+ }
+
+ /**
+ * Returns the boundary to use in Content-Type header
+ *
+ * @return string
+ */
+ public function getBoundary()
+ {
+ if (empty($this->_boundary)) {
+ $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
+ }
+ return $this->_boundary;
+ }
+
+ /**
+ * Returns next chunk of request body
+ *
+ * @param integer Amount of bytes to read
+ * @return string Up to $length bytes of data, empty string if at end
+ */
+ public function read($length)
+ {
+ $ret = '';
+ $boundary = $this->getBoundary();
+ $paramCount = count($this->_params);
+ $uploadCount = count($this->_uploads);
+ while ($length > 0 && $this->_pos[0] <= $paramCount + $uploadCount) {
+ $oldLength = $length;
+ if ($this->_pos[0] < $paramCount) {
+ $param = sprintf($this->_headerParam, $boundary,
+ $this->_params[$this->_pos[0]][0]) .
+ $this->_params[$this->_pos[0]][1] . "\r\n";
+ $ret .= substr($param, $this->_pos[1], $length);
+ $length -= min(strlen($param) - $this->_pos[1], $length);
+
+ } elseif ($this->_pos[0] < $paramCount + $uploadCount) {
+ $pos = $this->_pos[0] - $paramCount;
+ $header = sprintf($this->_headerUpload, $boundary,
+ $this->_uploads[$pos]['name'],
+ $this->_uploads[$pos]['filename'],
+ $this->_uploads[$pos]['type']);
+ if ($this->_pos[1] < strlen($header)) {
+ $ret .= substr($header, $this->_pos[1], $length);
+ $length -= min(strlen($header) - $this->_pos[1], $length);
+ }
+ $filePos = max(0, $this->_pos[1] - strlen($header));
+ if ($length > 0 && $filePos < $this->_uploads[$pos]['size']) {
+ $ret .= fread($this->_uploads[$pos]['fp'], $length);
+ $length -= min($length, $this->_uploads[$pos]['size'] - $filePos);
+ }
+ if ($length > 0) {
+ $start = $this->_pos[1] + ($oldLength - $length) -
+ strlen($header) - $this->_uploads[$pos]['size'];
+ $ret .= substr("\r\n", $start, $length);
+ $length -= min(2 - $start, $length);
+ }
+
+ } else {
+ $closing = '--' . $boundary . "--\r\n";
+ $ret .= substr($closing, $this->_pos[1], $length);
+ $length -= min(strlen($closing) - $this->_pos[1], $length);
+ }
+ if ($length > 0) {
+ $this->_pos = array($this->_pos[0] + 1, 0);
+ } else {
+ $this->_pos[1] += $oldLength;
+ }
+ }
+ return $ret;
+ }
+
+ /**
+ * Sets the current position to the start of the body
+ *
+ * This allows reusing the same body in another request
+ */
+ public function rewind()
+ {
+ $this->_pos = array(0, 0);
+ foreach ($this->_uploads as $u) {
+ rewind($u['fp']);
+ }
+ }
+
+ /**
+ * Returns the body as string
+ *
+ * Note that it reads all file uploads into memory so it is a good idea not
+ * to use this method with large file uploads and rely on read() instead.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ $this->rewind();
+ return $this->read($this->getLength());
+ }
+
+
+ /**
+ * Helper function to change the (probably multidimensional) associative array
+ * into the simple one.
+ *
+ * @param string name for item
+ * @param mixed item's values
+ * @param bool whether to append [] to array variables' names
+ * @return array array with the following items: array('item name', 'item value');
+ */
+ private static function _flattenArray($name, $values, $useBrackets)
+ {
+ if (!is_array($values)) {
+ return array(array($name, $values));
+ } else {
+ $ret = array();
+ foreach ($values as $k => $v) {
+ if (empty($name)) {
+ $newName = $k;
+ } elseif ($useBrackets) {
+ $newName = $name . '[' . $k . ']';
+ } else {
+ $newName = $name;
+ }
+ $ret = array_merge($ret, self::_flattenArray($newName, $v, $useBrackets));
+ }
+ return $ret;
+ }
+ }
+}
+?>
diff --git a/extlib/HTTP/Request2/Observer/Log.php b/extlib/HTTP/Request2/Observer/Log.php new file mode 100644 index 000000000..b1a055278 --- /dev/null +++ b/extlib/HTTP/Request2/Observer/Log.php @@ -0,0 +1,215 @@ +<?php
+/**
+ * An observer useful for debugging / testing.
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author David Jean Louis <izi@php.net>
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Log.php 272593 2009-01-02 16:27:14Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * A debug observer useful for debugging / testing.
+ *
+ * This observer logs to a log target data corresponding to the various request
+ * and response events, it logs by default to php://output but can be configured
+ * to log to a file or via the PEAR Log package.
+ *
+ * A simple example:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ *
+ * $request = new HTTP_Request2('http://www.example.com');
+ * $observer = new HTTP_Request2_Observer_Log();
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * A more complex example with PEAR Log:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ * require_once 'Log.php';
+ *
+ * $request = new HTTP_Request2('http://www.example.com');
+ * // we want to log with PEAR log
+ * $observer = new HTTP_Request2_Observer_Log(Log::factory('console'));
+ *
+ * // we only want to log received headers
+ * $observer->events = array('receivedHeaders');
+ *
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author David Jean Louis <izi@php.net>
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version Release: 0.4.1
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Observer_Log implements SplObserver
+{
+ // properties {{{
+
+ /**
+ * The log target, it can be a a resource or a PEAR Log instance.
+ *
+ * @var resource|Log $target
+ */
+ protected $target = null;
+
+ /**
+ * The events to log.
+ *
+ * @var array $events
+ */
+ public $events = array(
+ 'connect',
+ 'sentHeaders',
+ 'sentBodyPart',
+ 'receivedHeaders',
+ 'receivedBody',
+ 'disconnect',
+ );
+
+ // }}}
+ // __construct() {{{
+
+ /**
+ * Constructor.
+ *
+ * @param mixed $target Can be a file path (default: php://output), a resource,
+ * or an instance of the PEAR Log class.
+ * @param array $events Array of events to listen to (default: all events)
+ *
+ * @return void
+ */
+ public function __construct($target = 'php://output', array $events = array())
+ {
+ if (!empty($events)) {
+ $this->events = $events;
+ }
+ if (is_resource($target) || $target instanceof Log) {
+ $this->target = $target;
+ } elseif (false === ($this->target = @fopen($target, 'w'))) {
+ throw new HTTP_Request2_Exception("Unable to open '{$target}'");
+ }
+ }
+
+ // }}}
+ // update() {{{
+
+ /**
+ * Called when the request notify us of an event.
+ *
+ * @param HTTP_Request2 $subject The HTTP_Request2 instance
+ *
+ * @return void
+ */
+ public function update(SplSubject $subject)
+ {
+ $event = $subject->getLastEvent();
+ if (!in_array($event['name'], $this->events)) {
+ return;
+ }
+
+ switch ($event['name']) {
+ case 'connect':
+ $this->log('* Connected to ' . $event['data']);
+ break;
+ case 'sentHeaders':
+ $headers = explode("\r\n", $event['data']);
+ array_pop($headers);
+ foreach ($headers as $header) {
+ $this->log('> ' . $header);
+ }
+ break;
+ case 'sentBodyPart':
+ $this->log('> ' . $event['data']);
+ break;
+ case 'receivedHeaders':
+ $this->log(sprintf('< HTTP/%s %s %s',
+ $event['data']->getVersion(),
+ $event['data']->getStatus(),
+ $event['data']->getReasonPhrase()));
+ $headers = $event['data']->getHeader();
+ foreach ($headers as $key => $val) {
+ $this->log('< ' . $key . ': ' . $val);
+ }
+ $this->log('< ');
+ break;
+ case 'receivedBody':
+ $this->log($event['data']->getBody());
+ break;
+ case 'disconnect':
+ $this->log('* Disconnected');
+ break;
+ }
+ }
+
+ // }}}
+ // log() {{{
+
+ /**
+ * Log the given message to the configured target.
+ *
+ * @param string $message Message to display
+ *
+ * @return void
+ */
+ protected function log($message)
+ {
+ if ($this->target instanceof Log) {
+ $this->target->debug($message);
+ } elseif (is_resource($this->target)) {
+ fwrite($this->target, $message . "\r\n");
+ }
+ }
+
+ // }}}
+}
+
+?>
\ No newline at end of file diff --git a/extlib/HTTP/Request2/Response.php b/extlib/HTTP/Request2/Response.php new file mode 100644 index 000000000..c7c1021fb --- /dev/null +++ b/extlib/HTTP/Request2/Response.php @@ -0,0 +1,549 @@ +<?php
+/**
+ * Class representing a HTTP response
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Response.php 287948 2009-09-01 17:12:18Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP response
+ *
+ * The class is designed to be used in "streaming" scenario, building the
+ * response as it is being received:
+ * <code>
+ * $statusLine = read_status_line();
+ * $response = new HTTP_Request2_Response($statusLine);
+ * do {
+ * $headerLine = read_header_line();
+ * $response->parseHeaderLine($headerLine);
+ * } while ($headerLine != '');
+ *
+ * while ($chunk = read_body()) {
+ * $response->appendBody($chunk);
+ * }
+ *
+ * var_dump($response->getHeader(), $response->getCookies(), $response->getBody());
+ * </code>
+ *
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.4.1
+ * @link http://tools.ietf.org/html/rfc2616#section-6
+ */
+class HTTP_Request2_Response
+{
+ /**
+ * HTTP protocol version (e.g. 1.0, 1.1)
+ * @var string
+ */
+ protected $version;
+
+ /**
+ * Status code
+ * @var integer
+ * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+ */
+ protected $code;
+
+ /**
+ * Reason phrase
+ * @var string
+ * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+ */
+ protected $reasonPhrase;
+
+ /**
+ * Associative array of response headers
+ * @var array
+ */
+ protected $headers = array();
+
+ /**
+ * Cookies set in the response
+ * @var array
+ */
+ protected $cookies = array();
+
+ /**
+ * Name of last header processed by parseHederLine()
+ *
+ * Used to handle the headers that span multiple lines
+ *
+ * @var string
+ */
+ protected $lastHeader = null;
+
+ /**
+ * Response body
+ * @var string
+ */
+ protected $body = '';
+
+ /**
+ * Whether the body is still encoded by Content-Encoding
+ *
+ * cURL provides the decoded body to the callback; if we are reading from
+ * socket the body is still gzipped / deflated
+ *
+ * @var bool
+ */
+ protected $bodyEncoded;
+
+ /**
+ * Associative array of HTTP status code / reason phrase.
+ *
+ * @var array
+ * @link http://tools.ietf.org/html/rfc2616#section-10
+ */
+ protected static $phrases = array(
+
+ // 1xx: Informational - Request received, continuing process
+ 100 => 'Continue',
+ 101 => 'Switching Protocols',
+
+ // 2xx: Success - The action was successfully received, understood and
+ // accepted
+ 200 => 'OK',
+ 201 => 'Created',
+ 202 => 'Accepted',
+ 203 => 'Non-Authoritative Information',
+ 204 => 'No Content',
+ 205 => 'Reset Content',
+ 206 => 'Partial Content',
+
+ // 3xx: Redirection - Further action must be taken in order to complete
+ // the request
+ 300 => 'Multiple Choices',
+ 301 => 'Moved Permanently',
+ 302 => 'Found', // 1.1
+ 303 => 'See Other',
+ 304 => 'Not Modified',
+ 305 => 'Use Proxy',
+ 307 => 'Temporary Redirect',
+
+ // 4xx: Client Error - The request contains bad syntax or cannot be
+ // fulfilled
+ 400 => 'Bad Request',
+ 401 => 'Unauthorized',
+ 402 => 'Payment Required',
+ 403 => 'Forbidden',
+ 404 => 'Not Found',
+ 405 => 'Method Not Allowed',
+ 406 => 'Not Acceptable',
+ 407 => 'Proxy Authentication Required',
+ 408 => 'Request Timeout',
+ 409 => 'Conflict',
+ 410 => 'Gone',
+ 411 => 'Length Required',
+ 412 => 'Precondition Failed',
+ 413 => 'Request Entity Too Large',
+ 414 => 'Request-URI Too Long',
+ 415 => 'Unsupported Media Type',
+ 416 => 'Requested Range Not Satisfiable',
+ 417 => 'Expectation Failed',
+
+ // 5xx: Server Error - The server failed to fulfill an apparently
+ // valid request
+ 500 => 'Internal Server Error',
+ 501 => 'Not Implemented',
+ 502 => 'Bad Gateway',
+ 503 => 'Service Unavailable',
+ 504 => 'Gateway Timeout',
+ 505 => 'HTTP Version Not Supported',
+ 509 => 'Bandwidth Limit Exceeded',
+
+ );
+
+ /**
+ * Constructor, parses the response status line
+ *
+ * @param string Response status line (e.g. "HTTP/1.1 200 OK")
+ * @param bool Whether body is still encoded by Content-Encoding
+ * @throws HTTP_Request2_Exception if status line is invalid according to spec
+ */
+ public function __construct($statusLine, $bodyEncoded = true)
+ {
+ if (!preg_match('!^HTTP/(\d\.\d) (\d{3})(?: (.+))?!', $statusLine, $m)) {
+ throw new HTTP_Request2_Exception("Malformed response: {$statusLine}");
+ }
+ $this->version = $m[1];
+ $this->code = intval($m[2]);
+ if (!empty($m[3])) {
+ $this->reasonPhrase = trim($m[3]);
+ } elseif (!empty(self::$phrases[$this->code])) {
+ $this->reasonPhrase = self::$phrases[$this->code];
+ }
+ $this->bodyEncoded = (bool)$bodyEncoded;
+ }
+
+ /**
+ * Parses the line from HTTP response filling $headers array
+ *
+ * The method should be called after reading the line from socket or receiving
+ * it into cURL callback. Passing an empty string here indicates the end of
+ * response headers and triggers additional processing, so be sure to pass an
+ * empty string in the end.
+ *
+ * @param string Line from HTTP response
+ */
+ public function parseHeaderLine($headerLine)
+ {
+ $headerLine = trim($headerLine, "\r\n");
+
+ // empty string signals the end of headers, process the received ones
+ if ('' == $headerLine) {
+ if (!empty($this->headers['set-cookie'])) {
+ $cookies = is_array($this->headers['set-cookie'])?
+ $this->headers['set-cookie']:
+ array($this->headers['set-cookie']);
+ foreach ($cookies as $cookieString) {
+ $this->parseCookie($cookieString);
+ }
+ unset($this->headers['set-cookie']);
+ }
+ foreach (array_keys($this->headers) as $k) {
+ if (is_array($this->headers[$k])) {
+ $this->headers[$k] = implode(', ', $this->headers[$k]);
+ }
+ }
+
+ // string of the form header-name: header value
+ } elseif (preg_match('!^([^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+):(.+)$!', $headerLine, $m)) {
+ $name = strtolower($m[1]);
+ $value = trim($m[2]);
+ if (empty($this->headers[$name])) {
+ $this->headers[$name] = $value;
+ } else {
+ if (!is_array($this->headers[$name])) {
+ $this->headers[$name] = array($this->headers[$name]);
+ }
+ $this->headers[$name][] = $value;
+ }
+ $this->lastHeader = $name;
+
+ // string
+ } elseif (preg_match('!^\s+(.+)$!', $headerLine, $m) && $this->lastHeader) {
+ if (!is_array($this->headers[$this->lastHeader])) {
+ $this->headers[$this->lastHeader] .= ' ' . trim($m[1]);
+ } else {
+ $key = count($this->headers[$this->lastHeader]) - 1;
+ $this->headers[$this->lastHeader][$key] .= ' ' . trim($m[1]);
+ }
+ }
+ }
+
+ /**
+ * Parses a Set-Cookie header to fill $cookies array
+ *
+ * @param string value of Set-Cookie header
+ * @link http://cgi.netscape.com/newsref/std/cookie_spec.html
+ */
+ protected function parseCookie($cookieString)
+ {
+ $cookie = array(
+ 'expires' => null,
+ 'domain' => null,
+ 'path' => null,
+ 'secure' => false
+ );
+
+ // Only a name=value pair
+ if (!strpos($cookieString, ';')) {
+ $pos = strpos($cookieString, '=');
+ $cookie['name'] = trim(substr($cookieString, 0, $pos));
+ $cookie['value'] = trim(substr($cookieString, $pos + 1));
+
+ // Some optional parameters are supplied
+ } else {
+ $elements = explode(';', $cookieString);
+ $pos = strpos($elements[0], '=');
+ $cookie['name'] = trim(substr($elements[0], 0, $pos));
+ $cookie['value'] = trim(substr($elements[0], $pos + 1));
+
+ for ($i = 1; $i < count($elements); $i++) {
+ if (false === strpos($elements[$i], '=')) {
+ $elName = trim($elements[$i]);
+ $elValue = null;
+ } else {
+ list ($elName, $elValue) = array_map('trim', explode('=', $elements[$i]));
+ }
+ $elName = strtolower($elName);
+ if ('secure' == $elName) {
+ $cookie['secure'] = true;
+ } elseif ('expires' == $elName) {
+ $cookie['expires'] = str_replace('"', '', $elValue);
+ } elseif ('path' == $elName || 'domain' == $elName) {
+ $cookie[$elName] = urldecode($elValue);
+ } else {
+ $cookie[$elName] = $elValue;
+ }
+ }
+ }
+ $this->cookies[] = $cookie;
+ }
+
+ /**
+ * Appends a string to the response body
+ * @param string
+ */
+ public function appendBody($bodyChunk)
+ {
+ $this->body .= $bodyChunk;
+ }
+
+ /**
+ * Returns the status code
+ * @return integer
+ */
+ public function getStatus()
+ {
+ return $this->code;
+ }
+
+ /**
+ * Returns the reason phrase
+ * @return string
+ */
+ public function getReasonPhrase()
+ {
+ return $this->reasonPhrase;
+ }
+
+ /**
+ * Returns either the named header or all response headers
+ *
+ * @param string Name of header to return
+ * @return string|array Value of $headerName header (null if header is
+ * not present), array of all response headers if
+ * $headerName is null
+ */
+ public function getHeader($headerName = null)
+ {
+ if (null === $headerName) {
+ return $this->headers;
+ } else {
+ $headerName = strtolower($headerName);
+ return isset($this->headers[$headerName])? $this->headers[$headerName]: null;
+ }
+ }
+
+ /**
+ * Returns cookies set in response
+ *
+ * @return array
+ */
+ public function getCookies()
+ {
+ return $this->cookies;
+ }
+
+ /**
+ * Returns the body of the response
+ *
+ * @return string
+ * @throws HTTP_Request2_Exception if body cannot be decoded
+ */
+ public function getBody()
+ {
+ if (!$this->bodyEncoded ||
+ !in_array(strtolower($this->getHeader('content-encoding')), array('gzip', 'deflate'))
+ ) {
+ return $this->body;
+
+ } else {
+ if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+ $oldEncoding = mb_internal_encoding();
+ mb_internal_encoding('iso-8859-1');
+ }
+
+ try {
+ switch (strtolower($this->getHeader('content-encoding'))) {
+ case 'gzip':
+ $decoded = self::decodeGzip($this->body);
+ break;
+ case 'deflate':
+ $decoded = self::decodeDeflate($this->body);
+ }
+ } catch (Exception $e) {
+ }
+
+ if (!empty($oldEncoding)) {
+ mb_internal_encoding($oldEncoding);
+ }
+ if (!empty($e)) {
+ throw $e;
+ }
+ return $decoded;
+ }
+ }
+
+ /**
+ * Get the HTTP version of the response
+ *
+ * @return string
+ */
+ public function getVersion()
+ {
+ return $this->version;
+ }
+
+ /**
+ * Decodes the message-body encoded by gzip
+ *
+ * The real decoding work is done by gzinflate() built-in function, this
+ * method only parses the header and checks data for compliance with
+ * RFC 1952
+ *
+ * @param string gzip-encoded data
+ * @return string decoded data
+ * @throws HTTP_Request2_Exception
+ * @link http://tools.ietf.org/html/rfc1952
+ */
+ public static function decodeGzip($data)
+ {
+ $length = strlen($data);
+ // If it doesn't look like gzip-encoded data, don't bother
+ if (18 > $length || strcmp(substr($data, 0, 2), "\x1f\x8b")) {
+ return $data;
+ }
+ if (!function_exists('gzinflate')) {
+ throw new HTTP_Request2_Exception('Unable to decode body: gzip extension not available');
+ }
+ $method = ord(substr($data, 2, 1));
+ if (8 != $method) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: unknown compression method');
+ }
+ $flags = ord(substr($data, 3, 1));
+ if ($flags & 224) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: reserved bits are set');
+ }
+
+ // header is 10 bytes minimum. may be longer, though.
+ $headerLength = 10;
+ // extra fields, need to skip 'em
+ if ($flags & 4) {
+ if ($length - $headerLength - 2 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $extraLength = unpack('v', substr($data, 10, 2));
+ if ($length - $headerLength - 2 - $extraLength[1] < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $extraLength[1] + 2;
+ }
+ // file name, need to skip that
+ if ($flags & 8) {
+ if ($length - $headerLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $filenameLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $filenameLength + 1;
+ }
+ // comment, need to skip that also
+ if ($flags & 16) {
+ if ($length - $headerLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $commentLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $commentLength + 1;
+ }
+ // have a CRC for header. let's check
+ if ($flags & 2) {
+ if ($length - $headerLength - 2 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $crcReal = 0xffff & crc32(substr($data, 0, $headerLength));
+ $crcStored = unpack('v', substr($data, $headerLength, 2));
+ if ($crcReal != $crcStored[1]) {
+ throw new HTTP_Request2_Exception('Header CRC check failed');
+ }
+ $headerLength += 2;
+ }
+ // unpacked data CRC and size at the end of encoded data
+ $tmp = unpack('V2', substr($data, -8));
+ $dataCrc = $tmp[1];
+ $dataSize = $tmp[2];
+
+ // finally, call the gzinflate() function
+ // don't pass $dataSize to gzinflate, see bugs #13135, #14370
+ $unpacked = gzinflate(substr($data, $headerLength, -8));
+ if (false === $unpacked) {
+ throw new HTTP_Request2_Exception('gzinflate() call failed');
+ } elseif ($dataSize != strlen($unpacked)) {
+ throw new HTTP_Request2_Exception('Data size check failed');
+ } elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
+ throw new HTTP_Request2_Exception('Data CRC check failed');
+ }
+ return $unpacked;
+ }
+
+ /**
+ * Decodes the message-body encoded by deflate
+ *
+ * @param string deflate-encoded data
+ * @return string decoded data
+ * @throws HTTP_Request2_Exception
+ */
+ public static function decodeDeflate($data)
+ {
+ if (!function_exists('gzuncompress')) {
+ throw new HTTP_Request2_Exception('Unable to decode body: gzip extension not available');
+ }
+ // RFC 2616 defines 'deflate' encoding as zlib format from RFC 1950,
+ // while many applications send raw deflate stream from RFC 1951.
+ // We should check for presence of zlib header and use gzuncompress() or
+ // gzinflate() as needed. See bug #15305
+ $header = unpack('n', substr($data, 0, 2));
+ return (0 == $header[1] % 31)? gzuncompress($data): gzinflate($data);
+ }
+}
+?>
\ No newline at end of file diff --git a/extlib/Net/LDAP2.php b/extlib/Net/LDAP2.php new file mode 100644 index 000000000..26f5e7560 --- /dev/null +++ b/extlib/Net/LDAP2.php @@ -0,0 +1,1791 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2 interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Jan Wagner <wagner@netsols.de> +* @author Del <del@babel.com.au> +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2003-2007 Tarjej Huse, Jan Wagner, Del Elson, Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: LDAP2.php 286788 2009-08-04 06:05:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Package includes. +*/ +require_once 'PEAR.php'; +require_once 'Net/LDAP2/RootDSE.php'; +require_once 'Net/LDAP2/Schema.php'; +require_once 'Net/LDAP2/Entry.php'; +require_once 'Net/LDAP2/Search.php'; +require_once 'Net/LDAP2/Util.php'; +require_once 'Net/LDAP2/Filter.php'; +require_once 'Net/LDAP2/LDIF.php'; +require_once 'Net/LDAP2/SchemaCache.interface.php'; +require_once 'Net/LDAP2/SimpleFileSchemaCache.php'; + +/** +* Error constants for errors that are not LDAP errors. +*/ +define('NET_LDAP2_ERROR', 1000); + +/** +* Net_LDAP2 Version +*/ +define('NET_LDAP2_VERSION', '2.0.7'); + +/** +* Net_LDAP2 - manipulate LDAP servers the right way! +* +* @category Net +* @package Net_LDAP2 +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Jan Wagner <wagner@netsols.de> +* @author Del <del@babel.com.au> +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2003-2007 Tarjej Huse, Jan Wagner, Del Elson, Benedikt Hallinger +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP2/ +*/ +class Net_LDAP2 extends PEAR +{ + /** + * Class configuration array + * + * host = the ldap host to connect to + * (may be an array of several hosts to try) + * port = the server port + * version = ldap version (defaults to v 3) + * starttls = when set, ldap_start_tls() is run after connecting. + * bindpw = no explanation needed + * binddn = the DN to bind as. + * basedn = ldap base + * options = hash of ldap options to set (opt => val) + * filter = default search filter + * scope = default search scope + * + * Newly added in 2.0.0RC4, for auto-reconnect: + * auto_reconnect = if set to true then the class will automatically + * attempt to reconnect to the LDAP server in certain + * failure conditionswhen attempting a search, or other + * LDAP operation. Defaults to false. Note that if you + * set this to true, calls to search() may block + * indefinitely if there is a catastrophic server failure. + * min_backoff = minimum reconnection delay period (in seconds). + * current_backoff = initial reconnection delay period (in seconds). + * max_backoff = maximum reconnection delay period (in seconds). + * + * @access protected + * @var array + */ + protected $_config = array('host' => 'localhost', + 'port' => 389, + 'version' => 3, + 'starttls' => false, + 'binddn' => '', + 'bindpw' => '', + 'basedn' => '', + 'options' => array(), + 'filter' => '(objectClass=*)', + 'scope' => 'sub', + 'auto_reconnect' => false, + 'min_backoff' => 1, + 'current_backoff' => 1, + 'max_backoff' => 32); + + /** + * List of hosts we try to establish a connection to + * + * @access protected + * @var array + */ + protected $_host_list = array(); + + /** + * List of hosts that are known to be down. + * + * @access protected + * @var array + */ + protected $_down_host_list = array(); + + /** + * LDAP resource link. + * + * @access protected + * @var resource + */ + protected $_link = false; + + /** + * Net_LDAP2_Schema object + * + * This gets set and returned by {@link schema()} + * + * @access protected + * @var object Net_LDAP2_Schema + */ + protected $_schema = null; + + /** + * Schema cacher function callback + * + * @see registerSchemaCache() + * @var string + */ + protected $_schema_cache = null; + + /** + * Cache for attribute encoding checks + * + * @access protected + * @var array Hash with attribute names as key and boolean value + * to determine whether they should be utf8 encoded or not. + */ + protected $_schemaAttrs = array(); + + /** + * Cache for rootDSE objects + * + * Hash with requested rootDSE attr names as key and rootDSE object as value + * + * Since the RootDSE object itself may request a rootDSE object, + * {@link rootDse()} caches successful requests. + * Internally, Net_LDAP2 needs several lookups to this object, so + * caching increases performance significally. + * + * @access protected + * @var array + */ + protected $_rootDSE_cache = array(); + + /** + * Returns the Net_LDAP2 Release version, may be called statically + * + * @static + * @return string Net_LDAP2 version + */ + public static function getVersion() + { + return NET_LDAP2_VERSION; + } + + /** + * Configure Net_LDAP2, connect and bind + * + * Use this method as starting point of using Net_LDAP2 + * to establish a connection to your LDAP server. + * + * Static function that returns either an error object or the new Net_LDAP2 + * object. Something like a factory. Takes a config array with the needed + * parameters. + * + * @param array $config Configuration array + * + * @access public + * @return Net_LDAP2_Error|Net_LDAP2 Net_LDAP2_Error or Net_LDAP2 object + */ + public static function &connect($config = array()) + { + $ldap_check = self::checkLDAPExtension(); + if (self::iserror($ldap_check)) { + return $ldap_check; + } + + @$obj = new Net_LDAP2($config); + + // todo? better errorhandling for setConfig()? + + // connect and bind with credentials in config + $err = $obj->bind(); + if (self::isError($err)) { + return $err; + } + + return $obj; + } + + /** + * Net_LDAP2 constructor + * + * Sets the config array + * + * Please note that the usual way of getting Net_LDAP2 to work is + * to call something like: + * <code>$ldap = Net_LDAP2::connect($ldap_config);</code> + * + * @param array $config Configuration array + * + * @access protected + * @return void + * @see $_config + */ + public function __construct($config = array()) + { + $this->PEAR('Net_LDAP2_Error'); + $this->setConfig($config); + } + + /** + * Sets the internal configuration array + * + * @param array $config Configuration array + * + * @access protected + * @return void + */ + protected function setConfig($config) + { + // + // Parameter check -- probably should raise an error here if config + // is not an array. + // + if (! is_array($config)) { + return; + } + + foreach ($config as $k => $v) { + if (isset($this->_config[$k])) { + $this->_config[$k] = $v; + } else { + // map old (Net_LDAP2) parms to new ones + switch($k) { + case "dn": + $this->_config["binddn"] = $v; + break; + case "password": + $this->_config["bindpw"] = $v; + break; + case "tls": + $this->_config["starttls"] = $v; + break; + case "base": + $this->_config["basedn"] = $v; + break; + } + } + } + + // + // Ensure the host list is an array. + // + if (is_array($this->_config['host'])) { + $this->_host_list = $this->_config['host']; + } else { + if (strlen($this->_config['host']) > 0) { + $this->_host_list = array($this->_config['host']); + } else { + $this->_host_list = array(); + // ^ this will cause an error in performConnect(), + // so the user is notified about the failure + } + } + + // + // Reset the down host list, which seems like a sensible thing to do + // if the config is being reset for some reason. + // + $this->_down_host_list = array(); + } + + /** + * Bind or rebind to the ldap-server + * + * This function binds with the given dn and password to the server. In case + * no connection has been made yet, it will be started and startTLS issued + * if appropiate. + * + * The internal bind configuration is not being updated, so if you call + * bind() without parameters, you can rebind with the credentials + * provided at first connecting to the server. + * + * @param string $dn Distinguished name for binding + * @param string $password Password for binding + * + * @access public + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function bind($dn = null, $password = null) + { + // fetch current bind credentials + if (is_null($dn)) { + $dn = $this->_config["binddn"]; + } + if (is_null($password)) { + $password = $this->_config["bindpw"]; + } + + // Connect first, if we haven't so far. + // This will also bind us to the server. + if ($this->_link === false) { + // store old credentials so we can revert them later + // then overwrite config with new bind credentials + $olddn = $this->_config["binddn"]; + $oldpw = $this->_config["bindpw"]; + + // overwrite bind credentials in config + // so performConnect() knows about them + $this->_config["binddn"] = $dn; + $this->_config["bindpw"] = $password; + + // try to connect with provided credentials + $msg = $this->performConnect(); + + // reset to previous config + $this->_config["binddn"] = $olddn; + $this->_config["bindpw"] = $oldpw; + + // see if bind worked + if (self::isError($msg)) { + return $msg; + } + } else { + // do the requested bind as we are + // asked to bind manually + if (is_null($dn)) { + // anonymous bind + $msg = @ldap_bind($this->_link); + } else { + // privileged bind + $msg = @ldap_bind($this->_link, $dn, $password); + } + if (false === $msg) { + return PEAR::raiseError("Bind failed: " . + @ldap_error($this->_link), + @ldap_errno($this->_link)); + } + } + return true; + } + + /** + * Connect to the ldap-server + * + * This function connects to the LDAP server specified in + * the configuration, binds and set up the LDAP protocol as needed. + * + * @access protected + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + protected function performConnect() + { + // Note: Connecting is briefly described in RFC1777. + // Basicly it works like this: + // 1. set up TCP connection + // 2. secure that connection if neccessary + // 3a. setLDAPVersion to tell server which version we want to speak + // 3b. perform bind + // 3c. setLDAPVersion to tell server which version we want to speak + // together with a test for supported versions + // 4. set additional protocol options + + // Return true if we are already connected. + if ($this->_link !== false) { + return true; + } + + // Connnect to the LDAP server if we are not connected. Note that + // with some LDAP clients, ldapperformConnect returns a link value even + // if no connection is made. We need to do at least one anonymous + // bind to ensure that a connection is actually valid. + // + // Ref: http://www.php.net/manual/en/function.ldap-connect.php + + // Default error message in case all connection attempts + // fail but no message is set + $current_error = new PEAR_Error('Unknown connection error'); + + // Catch empty $_host_list arrays. + if (!is_array($this->_host_list) || count($this->_host_list) == 0) { + $current_error = PEAR::raiseError('No Servers configured! Please '. + 'pass in an array of servers to Net_LDAP2'); + return $current_error; + } + + // Cycle through the host list. + foreach ($this->_host_list as $host) { + + // Ensure we have a valid string for host name + if (is_array($host)) { + $current_error = PEAR::raiseError('No Servers configured! '. + 'Please pass in an one dimensional array of servers to '. + 'Net_LDAP2! (multidimensional array detected!)'); + continue; + } + + // Skip this host if it is known to be down. + if (in_array($host, $this->_down_host_list)) { + continue; + } + + // Record the host that we are actually connecting to in case + // we need it later. + $this->_config['host'] = $host; + + // Attempt a connection. + $this->_link = @ldap_connect($host, $this->_config['port']); + if (false === $this->_link) { + $current_error = PEAR::raiseError('Could not connect to ' . + $host . ':' . $this->_config['port']); + $this->_down_host_list[] = $host; + continue; + } + + // If we're supposed to use TLS, do so before we try to bind, + // as some strict servers only allow binding via secure connections + if ($this->_config["starttls"] === true) { + if (self::isError($msg = $this->startTLS())) { + $current_error = $msg; + $this->_link = false; + $this->_down_host_list[] = $host; + continue; + } + } + + // Try to set the configured LDAP version on the connection if LDAP + // server needs that before binding (eg OpenLDAP). + // This could be necessary since rfc-1777 states that the protocol version + // has to be set at the bind request. + // We use force here which means that the test in the rootDSE is skipped; + // this is neccessary, because some strict LDAP servers only allow to + // read the LDAP rootDSE (which tells us the supported protocol versions) + // with authenticated clients. + // This may fail in which case we try again after binding. + // In this case, most probably the bind() or setLDAPVersion()-call + // below will also fail, providing error messages. + $version_set = false; + $ignored_err = $this->setLDAPVersion(0, true); + if (!self::isError($ignored_err)) { + $version_set = true; + } + + // Attempt to bind to the server. If we have credentials configured, + // we try to use them, otherwise its an anonymous bind. + // As stated by RFC-1777, the bind request should be the first + // operation to be performed after the connection is established. + // This may give an protocol error if the server does not support + // V2 binds and the above call to setLDAPVersion() failed. + // In case the above call failed, we try an V2 bind here and set the + // version afterwards (with checking to the rootDSE). + $msg = $this->bind(); + if (self::isError($msg)) { + // The bind failed, discard link and save error msg. + // Then record the host as down and try next one + if ($msg->getCode() == 0x02 && !$version_set) { + // provide a finer grained error message + // if protocol error arieses because of invalid version + $msg = new Net_LDAP2_Error($msg->getMessage(). + " (could not set LDAP protocol version to ". + $this->_config['version'].")", + $msg->getCode()); + } + $this->_link = false; + $current_error = $msg; + $this->_down_host_list[] = $host; + continue; + } + + // Set desired LDAP version if not successfully set before. + // Here, a check against the rootDSE is performed, so we get a + // error message if the server does not support the version. + // The rootDSE entry should tell us which LDAP versions are + // supported. However, some strict LDAP servers only allow + // bound suers to read the rootDSE. + if (!$version_set) { + if (self::isError($msg = $this->setLDAPVersion())) { + $current_error = $msg; + $this->_link = false; + $this->_down_host_list[] = $host; + continue; + } + } + + // Set LDAP parameters, now we know we have a valid connection. + if (isset($this->_config['options']) && + is_array($this->_config['options']) && + count($this->_config['options'])) { + foreach ($this->_config['options'] as $opt => $val) { + $err = $this->setOption($opt, $val); + if (self::isError($err)) { + $current_error = $err; + $this->_link = false; + $this->_down_host_list[] = $host; + continue 2; + } + } + } + + // At this stage we have connected, bound, and set up options, + // so we have a known good LDAP server. Time to go home. + return true; + } + + + // All connection attempts have failed, return the last error. + return $current_error; + } + + /** + * Reconnect to the ldap-server. + * + * In case the connection to the LDAP + * service has dropped out for some reason, this function will reconnect, + * and re-bind if a bind has been attempted in the past. It is probably + * most useful when the server list provided to the new() or connect() + * function is an array rather than a single host name, because in that + * case it will be able to connect to a failover or secondary server in + * case the primary server goes down. + * + * This doesn't return anything, it just tries to re-establish + * the current connection. It will sleep for the current backoff + * period (seconds) before attempting the connect, and if the + * connection fails it will double the backoff period, but not + * try again. If you want to ensure a reconnection during a + * transient period of server downtime then you need to call this + * function in a loop. + * + * @access protected + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + protected function performReconnect() + { + + // Return true if we are already connected. + if ($this->_link !== false) { + return true; + } + + // Default error message in case all connection attempts + // fail but no message is set + $current_error = new PEAR_Error('Unknown connection error'); + + // Sleep for a backoff period in seconds. + sleep($this->_config['current_backoff']); + + // Retry all available connections. + $this->_down_host_list = array(); + $msg = $this->performConnect(); + + // Bail out if that fails. + if (self::isError($msg)) { + $this->_config['current_backoff'] = + $this->_config['current_backoff'] * 2; + if ($this->_config['current_backoff'] > $this->_config['max_backoff']) { + $this->_config['current_backoff'] = $this->_config['max_backoff']; + } + return $msg; + } + + // Now we should be able to safely (re-)bind. + $msg = $this->bind(); + if (self::isError($msg)) { + $this->_config['current_backoff'] = $this->_config['current_backoff'] * 2; + if ($this->_config['current_backoff'] > $this->_config['max_backoff']) { + $this->_config['current_backoff'] = $this->_config['max_backoff']; + } + + // _config['host'] should have had the last connected host stored in it + // by performConnect(). Since we are unable to bind to that host we can safely + // assume that it is down or has some other problem. + $this->_down_host_list[] = $this->_config['host']; + return $msg; + } + + // At this stage we have connected, bound, and set up options, + // so we have a known good LDAP server. Time to go home. + $this->_config['current_backoff'] = $this->_config['min_backoff']; + return true; + } + + /** + * Starts an encrypted session + * + * @access public + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function startTLS() + { + // Test to see if the server supports TLS first. + // This is done via testing the extensions offered by the server. + // The OID 1.3.6.1.4.1.1466.20037 tells us, if TLS is supported. + $rootDSE = $this->rootDse(); + if (self::isError($rootDSE)) { + return $this->raiseError("Unable to fetch rootDSE entry ". + "to see if TLS is supoported: ".$rootDSE->getMessage(), $rootDSE->getCode()); + } + + $supported_extensions = $rootDSE->getValue('supportedExtension'); + if (self::isError($supported_extensions)) { + return $this->raiseError("Unable to fetch rootDSE attribute 'supportedExtension' ". + "to see if TLS is supoported: ".$supported_extensions->getMessage(), $supported_extensions->getCode()); + } + + if (in_array('1.3.6.1.4.1.1466.20037', $supported_extensions)) { + if (false === @ldap_start_tls($this->_link)) { + return $this->raiseError("TLS not started: " . + @ldap_error($this->_link), + @ldap_errno($this->_link)); + } + return true; + } else { + return $this->raiseError("Server reports that it does not support TLS"); + } + } + + /** + * alias function of startTLS() for perl-ldap interface + * + * @return void + * @see startTLS() + */ + public function start_tls() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'startTLS' ), $args); + } + + /** + * Close LDAP connection. + * + * Closes the connection. Use this when the session is over. + * + * @return void + */ + public function done() + { + $this->_Net_LDAP2(); + } + + /** + * Alias for {@link done()} + * + * @return void + * @see done() + */ + public function disconnect() + { + $this->done(); + } + + /** + * Destructor + * + * @access protected + */ + public function _Net_LDAP2() + { + @ldap_close($this->_link); + } + + /** + * Add a new entryobject to a directory. + * + * Use add to add a new Net_LDAP2_Entry object to the directory. + * This also links the entry to the connection used for the add, + * if it was a fresh entry ({@link Net_LDAP2_Entry::createFresh()}) + * + * @param Net_LDAP2_Entry &$entry Net_LDAP2_Entry + * + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function add(&$entry) + { + if (!$entry instanceof Net_LDAP2_Entry) { + return PEAR::raiseError('Parameter to Net_LDAP2::add() must be a Net_LDAP2_Entry object.'); + } + + // Continue attempting the add operation in a loop until we + // get a success, a definitive failure, or the world ends. + $foo = 0; + while (true) { + $link = $this->getLink(); + + if ($link === false) { + // We do not have a successful connection yet. The call to + // getLink() would have kept trying if we wanted one. Go + // home now. + return PEAR::raiseError("Could not add entry " . $entry->dn() . + " no valid LDAP connection could be found."); + } + + if (@ldap_add($link, $entry->dn(), $entry->getValues())) { + // entry successfully added, we should update its $ldap reference + // in case it is not set so far (fresh entry) + if (!$entry->getLDAP() instanceof Net_LDAP2) { + $entry->setLDAP($this); + } + // store, that the entry is present inside the directory + $entry->markAsNew(false); + return true; + } else { + // We have a failure. What type? We may be able to reconnect + // and try again. + $error_code = @ldap_errno($link); + $error_name = $this->errorMessage($error_code); + + if (($error_name === 'LDAP_OPERATIONS_ERROR') && + ($this->_config['auto_reconnect'])) { + + // The server has become disconnected before trying the + // operation. We should try again, possibly with a different + // server. + $this->_link = false; + $this->performReconnect(); + } else { + // Errors other than the above catched are just passed + // back to the user so he may react upon them. + return PEAR::raiseError("Could not add entry " . $entry->dn() . " " . + $error_name, + $error_code); + } + } + } + } + + /** + * Delete an entry from the directory + * + * The object may either be a string representing the dn or a Net_LDAP2_Entry + * object. When the boolean paramter recursive is set, all subentries of the + * entry will be deleted as well. + * + * @param string|Net_LDAP2_Entry $dn DN-string or Net_LDAP2_Entry + * @param boolean $recursive Should we delete all children recursive as well? + * + * @access public + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function delete($dn, $recursive = false) + { + if ($dn instanceof Net_LDAP2_Entry) { + $dn = $dn->dn(); + } + if (false === is_string($dn)) { + return PEAR::raiseError("Parameter is not a string nor an entry object!"); + } + // Recursive delete searches for children and calls delete for them + if ($recursive) { + $result = @ldap_list($this->_link, $dn, '(objectClass=*)', array(null), 0, 0); + if (@ldap_count_entries($this->_link, $result)) { + $subentry = @ldap_first_entry($this->_link, $result); + $this->delete(@ldap_get_dn($this->_link, $subentry), true); + while ($subentry = @ldap_next_entry($this->_link, $subentry)) { + $this->delete(@ldap_get_dn($this->_link, $subentry), true); + } + } + } + + // Continue attempting the delete operation in a loop until we + // get a success, a definitive failure, or the world ends. + while (true) { + $link = $this->getLink(); + + if ($link === false) { + // We do not have a successful connection yet. The call to + // getLink() would have kept trying if we wanted one. Go + // home now. + return PEAR::raiseError("Could not add entry " . $dn . + " no valid LDAP connection could be found."); + } + + if (@ldap_delete($link, $dn)) { + // entry successfully deleted. + return true; + } else { + // We have a failure. What type? + // We may be able to reconnect and try again. + $error_code = @ldap_errno($link); + $error_name = $this->errorMessage($error_code); + + if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && + ($this->_config['auto_reconnect'])) { + // The server has become disconnected before trying the + // operation. We should try again, possibly with a + // different server. + $this->_link = false; + $this->performReconnect(); + + } elseif ($error_code == 66) { + // Subentries present, server refused to delete. + // Deleting subentries is the clients responsibility, but + // since the user may not know of the subentries, we do not + // force that here but instead notify the developer so he + // may take actions himself. + return PEAR::raiseError("Could not delete entry $dn because of subentries. Use the recursive parameter to delete them."); + + } else { + // Errors other than the above catched are just passed + // back to the user so he may react upon them. + return PEAR::raiseError("Could not delete entry " . $dn . " " . + $error_name, + $error_code); + } + } + } + } + + /** + * Modify an ldapentry directly on the server + * + * This one takes the DN or a Net_LDAP2_Entry object and an array of actions. + * This array should be something like this: + * + * array('add' => array('attribute1' => array('val1', 'val2'), + * 'attribute2' => array('val1')), + * 'delete' => array('attribute1'), + * 'replace' => array('attribute1' => array('val1')), + * 'changes' => array('add' => ..., + * 'replace' => ..., + * 'delete' => array('attribute1', 'attribute2' => array('val1'))) + * + * The changes array is there so the order of operations can be influenced + * (the operations are done in order of appearance). + * The order of execution is as following: + * 1. adds from 'add' array + * 2. deletes from 'delete' array + * 3. replaces from 'replace' array + * 4. changes (add, replace, delete) in order of appearance + * All subarrays (add, replace, delete, changes) may be given at the same time. + * + * The function calls the corresponding functions of an Net_LDAP2_Entry + * object. A detailed description of array structures can be found there. + * + * Unlike the modification methods provided by the Net_LDAP2_Entry object, + * this method will instantly carry out an update() after each operation, + * thus modifying "directly" on the server. + * + * @param string|Net_LDAP2_Entry $entry DN-string or Net_LDAP2_Entry + * @param array $parms Array of changes + * + * @access public + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function modify($entry, $parms = array()) + { + if (is_string($entry)) { + $entry = $this->getEntry($entry); + if (self::isError($entry)) { + return $entry; + } + } + if (!$entry instanceof Net_LDAP2_Entry) { + return PEAR::raiseError("Parameter is not a string nor an entry object!"); + } + + // Perform changes mentioned separately + foreach (array('add', 'delete', 'replace') as $action) { + if (isset($parms[$action])) { + $msg = $entry->$action($parms[$action]); + if (self::isError($msg)) { + return $msg; + } + $entry->setLDAP($this); + + // Because the @ldap functions are called inside Net_LDAP2_Entry::update(), + // we have to trap the error codes issued from that if we want to support + // reconnection. + while (true) { + $msg = $entry->update(); + + if (self::isError($msg)) { + // We have a failure. What type? We may be able to reconnect + // and try again. + $error_code = $msg->getCode(); + $error_name = $this->errorMessage($error_code); + + if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && + ($this->_config['auto_reconnect'])) { + + // The server has become disconnected before trying the + // operation. We should try again, possibly with a different + // server. + $this->_link = false; + $this->performReconnect(); + + } else { + + // Errors other than the above catched are just passed + // back to the user so he may react upon them. + return PEAR::raiseError("Could not modify entry: ".$msg->getMessage()); + } + } else { + // modification succeedet, evaluate next change + break; + } + } + } + } + + // perform combined changes in 'changes' array + if (isset($parms['changes']) && is_array($parms['changes'])) { + foreach ($parms['changes'] as $action => $value) { + + // Because the @ldap functions are called inside Net_LDAP2_Entry::update, + // we have to trap the error codes issued from that if we want to support + // reconnection. + while (true) { + $msg = $this->modify($entry, array($action => $value)); + + if (self::isError($msg)) { + // We have a failure. What type? We may be able to reconnect + // and try again. + $error_code = $msg->getCode(); + $error_name = $this->errorMessage($error_code); + + if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && + ($this->_config['auto_reconnect'])) { + + // The server has become disconnected before trying the + // operation. We should try again, possibly with a different + // server. + $this->_link = false; + $this->performReconnect(); + + } else { + // Errors other than the above catched are just passed + // back to the user so he may react upon them. + return $msg; + } + } else { + // modification succeedet, evaluate next change + break; + } + } + } + } + + return true; + } + + /** + * Run a ldap search query + * + * Search is used to query the ldap-database. + * $base and $filter may be ommitted. The one from config will + * then be used. $base is either a DN-string or an Net_LDAP2_Entry + * object in which case its DN willb e used. + * + * Params may contain: + * + * scope: The scope which will be used for searching + * base - Just one entry + * sub - The whole tree + * one - Immediately below $base + * sizelimit: Limit the number of entries returned (default: 0 = unlimited), + * timelimit: Limit the time spent for searching (default: 0 = unlimited), + * attrsonly: If true, the search will only return the attribute names, + * attributes: Array of attribute names, which the entry should contain. + * It is good practice to limit this to just the ones you need. + * [NOT IMPLEMENTED] + * deref: By default aliases are dereferenced to locate the base object for the search, but not when + * searching subordinates of the base object. This may be changed by specifying one of the + * following values: + * + * never - Do not dereference aliases in searching or in locating the base object of the search. + * search - Dereference aliases in subordinates of the base object in searching, but not in + * locating the base object of the search. + * find + * always + * + * Please note, that you cannot override server side limitations to sizelimit + * and timelimit: You can always only lower a given limit. + * + * @param string|Net_LDAP2_Entry $base LDAP searchbase + * @param string|Net_LDAP2_Filter $filter LDAP search filter or a Net_LDAP2_Filter object + * @param array $params Array of options + * + * @access public + * @return Net_LDAP2_Search|Net_LDAP2_Error Net_LDAP2_Search object or Net_LDAP2_Error object + * @todo implement search controls (sorting etc) + */ + public function search($base = null, $filter = null, $params = array()) + { + if (is_null($base)) { + $base = $this->_config['basedn']; + } + if ($base instanceof Net_LDAP2_Entry) { + $base = $base->dn(); // fetch DN of entry, making searchbase relative to the entry + } + if (is_null($filter)) { + $filter = $this->_config['filter']; + } + if ($filter instanceof Net_LDAP2_Filter) { + $filter = $filter->asString(); // convert Net_LDAP2_Filter to string representation + } + if (PEAR::isError($filter)) { + return $filter; + } + if (PEAR::isError($base)) { + return $base; + } + + /* setting searchparameters */ + (isset($params['sizelimit'])) ? $sizelimit = $params['sizelimit'] : $sizelimit = 0; + (isset($params['timelimit'])) ? $timelimit = $params['timelimit'] : $timelimit = 0; + (isset($params['attrsonly'])) ? $attrsonly = $params['attrsonly'] : $attrsonly = 0; + (isset($params['attributes'])) ? $attributes = $params['attributes'] : $attributes = array(); + + // Ensure $attributes to be an array in case only one + // attribute name was given as string + if (!is_array($attributes)) { + $attributes = array($attributes); + } + + // reorganize the $attributes array index keys + // sometimes there are problems with not consecutive indexes + $attributes = array_values($attributes); + + // scoping makes searches faster! + $scope = (isset($params['scope']) ? $params['scope'] : $this->_config['scope']); + + switch ($scope) { + case 'one': + $search_function = 'ldap_list'; + break; + case 'base': + $search_function = 'ldap_read'; + break; + default: + $search_function = 'ldap_search'; + } + + // Continue attempting the search operation until we get a success + // or a definitive failure. + while (true) { + $link = $this->getLink(); + $search = @call_user_func($search_function, + $link, + $base, + $filter, + $attributes, + $attrsonly, + $sizelimit, + $timelimit); + + if ($err = @ldap_errno($link)) { + if ($err == 32) { + // Errorcode 32 = no such object, i.e. a nullresult. + return $obj = new Net_LDAP2_Search ($search, $this, $attributes); + } elseif ($err == 4) { + // Errorcode 4 = sizelimit exeeded. + return $obj = new Net_LDAP2_Search ($search, $this, $attributes); + } elseif ($err == 87) { + // bad search filter + return $this->raiseError($this->errorMessage($err) . "($filter)", $err); + } elseif (($err == 1) && ($this->_config['auto_reconnect'])) { + // Errorcode 1 = LDAP_OPERATIONS_ERROR but we can try a reconnect. + $this->_link = false; + $this->performReconnect(); + } else { + $msg = "\nParameters:\nBase: $base\nFilter: $filter\nScope: $scope"; + return $this->raiseError($this->errorMessage($err) . $msg, $err); + } + } else { + return $obj = new Net_LDAP2_Search($search, $this, $attributes); + } + } + } + + /** + * Set an LDAP option + * + * @param string $option Option to set + * @param mixed $value Value to set Option to + * + * @access public + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + */ + public function setOption($option, $value) + { + if ($this->_link) { + if (defined($option)) { + if (@ldap_set_option($this->_link, constant($option), $value)) { + return true; + } else { + $err = @ldap_errno($this->_link); + if ($err) { + $msg = @ldap_err2str($err); + } else { + $err = NET_LDAP2_ERROR; + $msg = $this->errorMessage($err); + } + return $this->raiseError($msg, $err); + } + } else { + return $this->raiseError("Unkown Option requested"); + } + } else { + return $this->raiseError("Could not set LDAP option: No LDAP connection"); + } + } + + /** + * Get an LDAP option value + * + * @param string $option Option to get + * + * @access public + * @return Net_LDAP2_Error|string Net_LDAP2_Error or option value + */ + public function getOption($option) + { + if ($this->_link) { + if (defined($option)) { + if (@ldap_get_option($this->_link, constant($option), $value)) { + return $value; + } else { + $err = @ldap_errno($this->_link); + if ($err) { + $msg = @ldap_err2str($err); + } else { + $err = NET_LDAP2_ERROR; + $msg = $this->errorMessage($err); + } + return $this->raiseError($msg, $err); + } + } else { + $this->raiseError("Unkown Option requested"); + } + } else { + $this->raiseError("No LDAP connection"); + } + } + + /** + * Get the LDAP_PROTOCOL_VERSION that is used on the connection. + * + * A lot of ldap functionality is defined by what protocol version the ldap server speaks. + * This might be 2 or 3. + * + * @return int + */ + public function getLDAPVersion() + { + if ($this->_link) { + $version = $this->getOption("LDAP_OPT_PROTOCOL_VERSION"); + } else { + $version = $this->_config['version']; + } + return $version; + } + + /** + * Set the LDAP_PROTOCOL_VERSION that is used on the connection. + * + * @param int $version LDAP-version that should be used + * @param boolean $force If set to true, the check against the rootDSE will be skipped + * + * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true + * @todo Checking via the rootDSE takes much time - why? fetching and instanciation is quick! + */ + public function setLDAPVersion($version = 0, $force = false) + { + if (!$version) { + $version = $this->_config['version']; + } + + // + // Check to see if the server supports this version first. + // + // Todo: Why is this so horribly slow? + // $this->rootDse() is very fast, as well as Net_LDAP2_RootDSE::fetch() + // seems like a problem at copiyng the object inside PHP?? + // Additionally, this is not always reproducable... + // + if (!$force) { + $rootDSE = $this->rootDse(); + if ($rootDSE instanceof Net_LDAP2_Error) { + return $rootDSE; + } else { + $supported_versions = $rootDSE->getValue('supportedLDAPVersion'); + if (is_string($supported_versions)) { + $supported_versions = array($supported_versions); + } + $check_ok = in_array($version, $supported_versions); + } + } + + if ($force || $check_ok) { + return $this->setOption("LDAP_OPT_PROTOCOL_VERSION", $version); + } else { + return $this->raiseError("LDAP Server does not support protocol version " . $version); + } + } + + + /** + * Tells if a DN does exist in the directory + * + * @param string|Net_LDAP2_Entry $dn The DN of the object to test + * + * @return boolean|Net_LDAP2_Error + */ + public function dnExists($dn) + { + if (PEAR::isError($dn)) { + return $dn; + } + if ($dn instanceof Net_LDAP2_Entry) { + $dn = $dn->dn(); + } + if (false === is_string($dn)) { + return PEAR::raiseError('Parameter $dn is not a string nor an entry object!'); + } + + // make dn relative to parent + $base = Net_LDAP2_Util::ldap_explode_dn($dn, array('casefold' => 'none', 'reverse' => false, 'onlyvalues' => false)); + if (self::isError($base)) { + return $base; + } + $entry_rdn = array_shift($base); + if (is_array($entry_rdn)) { + // maybe the dn consist of a multivalued RDN, we must build the dn in this case + // because the $entry_rdn is an array! + $filter_dn = Net_LDAP2_Util::canonical_dn($entry_rdn); + } + $base = Net_LDAP2_Util::canonical_dn($base); + + $result = @ldap_list($this->_link, $base, $entry_rdn, array(), 1, 1); + if (@ldap_count_entries($this->_link, $result)) { + return true; + } + if (ldap_errno($this->_link) == 32) { + return false; + } + if (ldap_errno($this->_link) != 0) { + return PEAR::raiseError(ldap_error($this->_link), ldap_errno($this->_link)); + } + return false; + } + + + /** + * Get a specific entry based on the DN + * + * @param string $dn DN of the entry that should be fetched + * @param array $attr Array of Attributes to select. If ommitted, all attributes are fetched. + * + * @return Net_LDAP2_Entry|Net_LDAP2_Error Reference to a Net_LDAP2_Entry object or Net_LDAP2_Error object + * @todo Maybe check against the shema should be done to be sure the attribute type exists + */ + public function &getEntry($dn, $attr = array()) + { + if (!is_array($attr)) { + $attr = array($attr); + } + $result = $this->search($dn, '(objectClass=*)', + array('scope' => 'base', 'attributes' => $attr)); + if (self::isError($result)) { + return $result; + } elseif ($result->count() == 0) { + return PEAR::raiseError('Could not fetch entry '.$dn.': no entry found'); + } + $entry = $result->shiftEntry(); + if (false == $entry) { + return PEAR::raiseError('Could not fetch entry (error retrieving entry from search result)'); + } + return $entry; + } + + /** + * Rename or move an entry + * + * This method will instantly carry out an update() after the move, + * so the entry is moved instantly. + * You can pass an optional Net_LDAP2 object. In this case, a cross directory + * move will be performed which deletes the entry in the source (THIS) directory + * and adds it in the directory $target_ldap. + * A cross directory move will switch the Entrys internal LDAP reference so + * updates to the entry will go to the new directory. + * + * Note that if you want to do a cross directory move, you need to + * pass an Net_LDAP2_Entry object, otherwise the attributes will be empty. + * + * @param string|Net_LDAP2_Entry $entry Entry DN or Entry object + * @param string $newdn New location + * @param Net_LDAP2 $target_ldap (optional) Target directory for cross server move; should be passed via reference + * + * @return Net_LDAP2_Error|true + */ + public function move($entry, $newdn, $target_ldap = null) + { + if (is_string($entry)) { + $entry_o = $this->getEntry($entry); + } else { + $entry_o =& $entry; + } + if (!$entry_o instanceof Net_LDAP2_Entry) { + return PEAR::raiseError('Parameter $entry is expected to be a Net_LDAP2_Entry object! (If DN was passed, conversion failed)'); + } + if (null !== $target_ldap && !$target_ldap instanceof Net_LDAP2) { + return PEAR::raiseError('Parameter $target_ldap is expected to be a Net_LDAP2 object!'); + } + + if ($target_ldap && $target_ldap !== $this) { + // cross directory move + if (is_string($entry)) { + return PEAR::raiseError('Unable to perform cross directory move: operation requires a Net_LDAP2_Entry object'); + } + if ($target_ldap->dnExists($newdn)) { + return PEAR::raiseError('Unable to perform cross directory move: entry does exist in target directory'); + } + $entry_o->dn($newdn); + $res = $target_ldap->add($entry_o); + if (self::isError($res)) { + return PEAR::raiseError('Unable to perform cross directory move: '.$res->getMessage().' in target directory'); + } + $res = $this->delete($entry_o->currentDN()); + if (self::isError($res)) { + $res2 = $target_ldap->delete($entry_o); // undo add + if (self::isError($res2)) { + $add_error_string = 'Additionally, the deletion (undo add) of $entry in target directory failed.'; + } + return PEAR::raiseError('Unable to perform cross directory move: '.$res->getMessage().' in source directory. '.$add_error_string); + } + $entry_o->setLDAP($target_ldap); + return true; + } else { + // local move + $entry_o->dn($newdn); + $entry_o->setLDAP($this); + return $entry_o->update(); + } + } + + /** + * Copy an entry to a new location + * + * The entry will be immediately copied. + * Please note that only attributes you have + * selected will be copied. + * + * @param Net_LDAP2_Entry &$entry Entry object + * @param string $newdn New FQF-DN of the entry + * + * @return Net_LDAP2_Error|Net_LDAP2_Entry Error Message or reference to the copied entry + */ + public function ©(&$entry, $newdn) + { + if (!$entry instanceof Net_LDAP2_Entry) { + return PEAR::raiseError('Parameter $entry is expected to be a Net_LDAP2_Entry object!'); + } + + $newentry = Net_LDAP2_Entry::createFresh($newdn, $entry->getValues()); + $result = $this->add($newentry); + + if ($result instanceof Net_LDAP2_Error) { + return $result; + } else { + return $newentry; + } + } + + + /** + * Returns the string for an ldap errorcode. + * + * Made to be able to make better errorhandling + * Function based on DB::errorMessage() + * Tip: The best description of the errorcodes is found here: + * http://www.directory-info.com/LDAP2/LDAPErrorCodes.html + * + * @param int $errorcode Error code + * + * @return string The errorstring for the error. + */ + public function errorMessage($errorcode) + { + $errorMessages = array( + 0x00 => "LDAP_SUCCESS", + 0x01 => "LDAP_OPERATIONS_ERROR", + 0x02 => "LDAP_PROTOCOL_ERROR", + 0x03 => "LDAP_TIMELIMIT_EXCEEDED", + 0x04 => "LDAP_SIZELIMIT_EXCEEDED", + 0x05 => "LDAP_COMPARE_FALSE", + 0x06 => "LDAP_COMPARE_TRUE", + 0x07 => "LDAP_AUTH_METHOD_NOT_SUPPORTED", + 0x08 => "LDAP_STRONG_AUTH_REQUIRED", + 0x09 => "LDAP_PARTIAL_RESULTS", + 0x0a => "LDAP_REFERRAL", + 0x0b => "LDAP_ADMINLIMIT_EXCEEDED", + 0x0c => "LDAP_UNAVAILABLE_CRITICAL_EXTENSION", + 0x0d => "LDAP_CONFIDENTIALITY_REQUIRED", + 0x0e => "LDAP_SASL_BIND_INPROGRESS", + 0x10 => "LDAP_NO_SUCH_ATTRIBUTE", + 0x11 => "LDAP_UNDEFINED_TYPE", + 0x12 => "LDAP_INAPPROPRIATE_MATCHING", + 0x13 => "LDAP_CONSTRAINT_VIOLATION", + 0x14 => "LDAP_TYPE_OR_VALUE_EXISTS", + 0x15 => "LDAP_INVALID_SYNTAX", + 0x20 => "LDAP_NO_SUCH_OBJECT", + 0x21 => "LDAP_ALIAS_PROBLEM", + 0x22 => "LDAP_INVALID_DN_SYNTAX", + 0x23 => "LDAP_IS_LEAF", + 0x24 => "LDAP_ALIAS_DEREF_PROBLEM", + 0x30 => "LDAP_INAPPROPRIATE_AUTH", + 0x31 => "LDAP_INVALID_CREDENTIALS", + 0x32 => "LDAP_INSUFFICIENT_ACCESS", + 0x33 => "LDAP_BUSY", + 0x34 => "LDAP_UNAVAILABLE", + 0x35 => "LDAP_UNWILLING_TO_PERFORM", + 0x36 => "LDAP_LOOP_DETECT", + 0x3C => "LDAP_SORT_CONTROL_MISSING", + 0x3D => "LDAP_INDEX_RANGE_ERROR", + 0x40 => "LDAP_NAMING_VIOLATION", + 0x41 => "LDAP_OBJECT_CLASS_VIOLATION", + 0x42 => "LDAP_NOT_ALLOWED_ON_NONLEAF", + 0x43 => "LDAP_NOT_ALLOWED_ON_RDN", + 0x44 => "LDAP_ALREADY_EXISTS", + 0x45 => "LDAP_NO_OBJECT_CLASS_MODS", + 0x46 => "LDAP_RESULTS_TOO_LARGE", + 0x47 => "LDAP_AFFECTS_MULTIPLE_DSAS", + 0x50 => "LDAP_OTHER", + 0x51 => "LDAP_SERVER_DOWN", + 0x52 => "LDAP_LOCAL_ERROR", + 0x53 => "LDAP_ENCODING_ERROR", + 0x54 => "LDAP_DECODING_ERROR", + 0x55 => "LDAP_TIMEOUT", + 0x56 => "LDAP_AUTH_UNKNOWN", + 0x57 => "LDAP_FILTER_ERROR", + 0x58 => "LDAP_USER_CANCELLED", + 0x59 => "LDAP_PARAM_ERROR", + 0x5a => "LDAP_NO_MEMORY", + 0x5b => "LDAP_CONNECT_ERROR", + 0x5c => "LDAP_NOT_SUPPORTED", + 0x5d => "LDAP_CONTROL_NOT_FOUND", + 0x5e => "LDAP_NO_RESULTS_RETURNED", + 0x5f => "LDAP_MORE_RESULTS_TO_RETURN", + 0x60 => "LDAP_CLIENT_LOOP", + 0x61 => "LDAP_REFERRAL_LIMIT_EXCEEDED", + 1000 => "Unknown Net_LDAP2 Error" + ); + + return isset($errorMessages[$errorcode]) ? + $errorMessages[$errorcode] : + $errorMessages[NET_LDAP2_ERROR] . ' (' . $errorcode . ')'; + } + + /** + * Gets a rootDSE object + * + * This either fetches a fresh rootDSE object or returns it from + * the internal cache for performance reasons, if possible. + * + * @param array $attrs Array of attributes to search for + * + * @access public + * @return Net_LDAP2_Error|Net_LDAP2_RootDSE Net_LDAP2_Error or Net_LDAP2_RootDSE object + */ + public function &rootDse($attrs = null) + { + if ($attrs !== null && !is_array($attrs)) { + return PEAR::raiseError('Parameter $attr is expected to be an array!'); + } + + $attrs_signature = serialize($attrs); + + // see if we need to fetch a fresh object, or if we already + // requested this object with the same attributes + if (true || !array_key_exists($attrs_signature, $this->_rootDSE_cache)) { + $rootdse =& Net_LDAP2_RootDSE::fetch($this, $attrs); + if ($rootdse instanceof Net_LDAP2_Error) { + return $rootdse; + } + + // search was ok, store rootDSE in cache + $this->_rootDSE_cache[$attrs_signature] = $rootdse; + } + return $this->_rootDSE_cache[$attrs_signature]; + } + + /** + * Alias function of rootDse() for perl-ldap interface + * + * @access public + * @see rootDse() + * @return Net_LDAP2_Error|Net_LDAP2_RootDSE + */ + public function &root_dse() + { + $args = func_get_args(); + return call_user_func_array(array(&$this, 'rootDse'), $args); + } + + /** + * Get a schema object + * + * @param string $dn (optional) Subschema entry dn + * + * @access public + * @return Net_LDAP2_Schema|Net_LDAP2_Error Net_LDAP2_Schema or Net_LDAP2_Error object + */ + public function &schema($dn = null) + { + // Schema caching by Knut-Olav Hoven + // If a schema caching object is registered, we use that to fetch + // a schema object. + // See registerSchemaCache() for more info on this. + if ($this->_schema === null) { + if ($this->_schema_cache) { + $cached_schema = $this->_schema_cache->loadSchema(); + if ($cached_schema instanceof Net_LDAP2_Error) { + return $cached_schema; // route error to client + } else { + if ($cached_schema instanceof Net_LDAP2_Schema) { + $this->_schema = $cached_schema; + } + } + } + } + + // Fetch schema, if not tried before and no cached version available. + // If we are already fetching the schema, we will skip fetching. + if ($this->_schema === null) { + // store a temporary error message so subsequent calls to schema() can + // detect, that we are fetching the schema already. + // Otherwise we will get an infinite loop at Net_LDAP2_Schema::fetch() + $this->_schema = new Net_LDAP2_Error('Schema not initialized'); + $this->_schema = Net_LDAP2_Schema::fetch($this, $dn); + + // If schema caching is active, advise the cache to store the schema + if ($this->_schema_cache) { + $caching_result = $this->_schema_cache->storeSchema($this->_schema); + if ($caching_result instanceof Net_LDAP2_Error) { + return $caching_result; // route error to client + } + } + } + return $this->_schema; + } + + /** + * Enable/disable persistent schema caching + * + * Sometimes it might be useful to allow your scripts to cache + * the schema information on disk, so the schema is not fetched + * every time the script runs which could make your scripts run + * faster. + * + * This method allows you to register a custom object that + * implements your schema cache. Please see the SchemaCache interface + * (SchemaCache.interface.php) for informations on how to implement this. + * To unregister the cache, pass null as $cache parameter. + * + * For ease of use, Net_LDAP2 provides a simple file based cache + * which is used in the example below. You may use this, for example, + * to store the schema in a linux tmpfs which results in the schema + * beeing cached inside the RAM which allows nearly instant access. + * <code> + * // Create the simple file cache object that comes along with Net_LDAP2 + * $mySchemaCache_cfg = array( + * 'path' => '/tmp/Net_LDAP2_Schema.cache', + * 'max_age' => 86400 // max age is 24 hours (in seconds) + * ); + * $mySchemaCache = new Net_LDAP2_SimpleFileSchemaCache($mySchemaCache_cfg); + * $ldap = new Net_LDAP2::connect(...); + * $ldap->registerSchemaCache($mySchemaCache); // enable caching + * // now each call to $ldap->schema() will get the schema from disk! + * </code> + * + * @param Net_LDAP2_SchemaCache|null $cache Object implementing the Net_LDAP2_SchemaCache interface + * + * @return true|Net_LDAP2_Error + */ + public function registerSchemaCache($cache) { + if (is_null($cache) + || (is_object($cache) && in_array('Net_LDAP2_SchemaCache', class_implements($cache))) ) { + $this->_schema_cache = $cache; + return true; + } else { + return new Net_LDAP2_Error('Custom schema caching object is either no '. + 'valid object or does not implement the Net_LDAP2_SchemaCache interface!'); + } + } + + + /** + * Checks if phps ldap-extension is loaded + * + * If it is not loaded, it tries to load it manually using PHPs dl(). + * It knows both windows-dll and *nix-so. + * + * @static + * @return Net_LDAP2_Error|true + */ + public static function checkLDAPExtension() + { + if (!extension_loaded('ldap') && !@dl('ldap.' . PHP_SHLIB_SUFFIX)) { + return new Net_LDAP2_Error("It seems that you do not have the ldap-extension installed. Please install it before using the Net_LDAP2 package."); + } else { + return true; + } + } + + /** + * Encodes given attributes to UTF8 if needed by schema + * + * This function takes attributes in an array and then checks against the schema if they need + * UTF8 encoding. If that is so, they will be encoded. An encoded array will be returned and + * can be used for adding or modifying. + * + * $attributes is expected to be an array with keys describing + * the attribute names and the values as the value of this attribute: + * <code>$attributes = array('cn' => 'foo', 'attr2' => array('mv1', 'mv2'));</code> + * + * @param array $attributes Array of attributes + * + * @access public + * @return array|Net_LDAP2_Error Array of UTF8 encoded attributes or Error + */ + public function utf8Encode($attributes) + { + return $this->utf8($attributes, 'utf8_encode'); + } + + /** + * Decodes the given attribute values if needed by schema + * + * $attributes is expected to be an array with keys describing + * the attribute names and the values as the value of this attribute: + * <code>$attributes = array('cn' => 'foo', 'attr2' => array('mv1', 'mv2'));</code> + * + * @param array $attributes Array of attributes + * + * @access public + * @see utf8Encode() + * @return array|Net_LDAP2_Error Array with decoded attribute values or Error + */ + public function utf8Decode($attributes) + { + return $this->utf8($attributes, 'utf8_decode'); + } + + /** + * Encodes or decodes attribute values if needed + * + * @param array $attributes Array of attributes + * @param array $function Function to apply to attribute values + * + * @access protected + * @return array|Net_LDAP2_Error Array of attributes with function applied to values or Error + */ + protected function utf8($attributes, $function) + { + if (!is_array($attributes) || array_key_exists(0, $attributes)) { + return PEAR::raiseError('Parameter $attributes is expected to be an associative array'); + } + + if (!$this->_schema) { + $this->_schema = $this->schema(); + } + + if (!$this->_link || self::isError($this->_schema) || !function_exists($function)) { + return $attributes; + } + + if (is_array($attributes) && count($attributes) > 0) { + + foreach ($attributes as $k => $v) { + + if (!isset($this->_schemaAttrs[$k])) { + + $attr = $this->_schema->get('attribute', $k); + if (self::isError($attr)) { + continue; + } + + if (false !== strpos($attr['syntax'], '1.3.6.1.4.1.1466.115.121.1.15')) { + $encode = true; + } else { + $encode = false; + } + $this->_schemaAttrs[$k] = $encode; + + } else { + $encode = $this->_schemaAttrs[$k]; + } + + if ($encode) { + if (is_array($v)) { + foreach ($v as $ak => $av) { + $v[$ak] = call_user_func($function, $av); + } + } else { + $v = call_user_func($function, $v); + } + } + $attributes[$k] = $v; + } + } + return $attributes; + } + + /** + * Get the LDAP link resource. It will loop attempting to + * re-establish the connection if the connection attempt fails and + * auto_reconnect has been turned on (see the _config array documentation). + * + * @access public + * @return resource LDAP link + */ + public function &getLink() + { + if ($this->_config['auto_reconnect']) { + while (true) { + // + // Return the link handle if we are already connected. Otherwise + // try to reconnect. + // + if ($this->_link !== false) { + return $this->_link; + } else { + $this->performReconnect(); + } + } + } + return $this->_link; + } +} + +/** +* Net_LDAP2_Error implements a class for reporting portable LDAP error messages. +* +* @category Net +* @package Net_LDAP2 +* @author Tarjej Huse <tarjei@bergfald.no> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +*/ +class Net_LDAP2_Error extends PEAR_Error +{ + /** + * Net_LDAP2_Error constructor. + * + * @param string $message String with error message. + * @param integer $code Net_LDAP2 error code + * @param integer $mode what "error mode" to operate in + * @param mixed $level what error level to use for $mode & PEAR_ERROR_TRIGGER + * @param mixed $debuginfo additional debug info, such as the last query + * + * @access public + * @see PEAR_Error + */ + public function __construct($message = 'Net_LDAP2_Error', $code = NET_LDAP2_ERROR, $mode = PEAR_ERROR_RETURN, + $level = E_USER_NOTICE, $debuginfo = null) + { + if (is_int($code)) { + $this->PEAR_Error($message . ': ' . Net_LDAP2::errorMessage($code), $code, $mode, $level, $debuginfo); + } else { + $this->PEAR_Error("$message: $code", NET_LDAP2_ERROR, $mode, $level, $debuginfo); + } + } +} + +?> diff --git a/extlib/Net/LDAP2/Entry.php b/extlib/Net/LDAP2/Entry.php new file mode 100644 index 000000000..66de96678 --- /dev/null +++ b/extlib/Net/LDAP2/Entry.php @@ -0,0 +1,1055 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_Entry interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Tarjej Huse, Jan Wagner, Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: Entry.php 286787 2009-08-04 06:03:12Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; +require_once 'Util.php'; + +/** +* Object representation of a directory entry +* +* This class represents a directory entry. You can add, delete, replace +* attributes and their values, rename the entry, delete the entry. +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP2/ +*/ +class Net_LDAP2_Entry extends PEAR +{ + /** + * Entry ressource identifier + * + * @access protected + * @var ressource + */ + protected $_entry = null; + + /** + * LDAP ressource identifier + * + * @access protected + * @var ressource + */ + protected $_link = null; + + /** + * Net_LDAP2 object + * + * This object will be used for updating and schema checking + * + * @access protected + * @var object Net_LDAP2 + */ + protected $_ldap = null; + + /** + * Distinguished name of the entry + * + * @access protected + * @var string + */ + protected $_dn = null; + + /** + * Attributes + * + * @access protected + * @var array + */ + protected $_attributes = array(); + + /** + * Original attributes before any modification + * + * @access protected + * @var array + */ + protected $_original = array(); + + + /** + * Map of attribute names + * + * @access protected + * @var array + */ + protected $_map = array(); + + + /** + * Is this a new entry? + * + * @access protected + * @var boolean + */ + protected $_new = true; + + /** + * New distinguished name + * + * @access protected + * @var string + */ + protected $_newdn = null; + + /** + * Shall the entry be deleted? + * + * @access protected + * @var boolean + */ + protected $_delete = false; + + /** + * Map with changes to the entry + * + * @access protected + * @var array + */ + protected $_changes = array("add" => array(), + "delete" => array(), + "replace" => array() + ); + /** + * Internal Constructor + * + * Constructor of the entry. Sets up the distinguished name and the entries + * attributes. + * You should not call this method manually! Use {@link Net_LDAP2_Entry::createFresh()} + * or {@link Net_LDAP2_Entry::createConnected()} instead! + * + * @param Net_LDAP2|ressource|array &$ldap Net_LDAP2 object, ldap-link ressource or array of attributes + * @param string|ressource $entry Either a DN or a LDAP-Entry ressource + * + * @access protected + * @return none + */ + protected function __construct(&$ldap, $entry = null) + { + $this->PEAR('Net_LDAP2_Error'); + + // set up entry resource or DN + if (is_resource($entry)) { + $this->_entry = &$entry; + } else { + $this->_dn = $entry; + } + + // set up LDAP link + if ($ldap instanceof Net_LDAP2) { + $this->_ldap = &$ldap; + $this->_link = $ldap->getLink(); + } elseif (is_resource($ldap)) { + $this->_link = $ldap; + } elseif (is_array($ldap)) { + // Special case: here $ldap is an array of attributes, + // this means, we have no link. This is a "virtual" entry. + // We just set up the attributes so one can work with the object + // as expected, but an update() fails unless setLDAP() is called. + $this->setAttributes($ldap); + } + + // if this is an entry existing in the directory, + // then set up as old and fetch attrs + if (is_resource($this->_entry) && is_resource($this->_link)) { + $this->_new = false; + $this->_dn = @ldap_get_dn($this->_link, $this->_entry); + $this->setAttributes(); // fetch attributes from server + } + } + + /** + * Creates a fresh entry that may be added to the directory later on + * + * Use this method, if you want to initialize a fresh entry. + * + * The method should be called statically: $entry = Net_LDAP2_Entry::createFresh(); + * You should put a 'objectClass' attribute into the $attrs so the directory server + * knows which object you want to create. However, you may omit this in case you + * don't want to add this entry to a directory server. + * + * The attributes parameter is as following: + * <code> + * $attrs = array( 'attribute1' => array('value1', 'value2'), + * 'attribute2' => 'single value' + * ); + * </code> + * + * @param string $dn DN of the Entry + * @param array $attrs Attributes of the entry + * + * @static + * @return Net_LDAP2_Entry|Net_LDAP2_Error + */ + public static function createFresh($dn, $attrs = array()) + { + if (!is_array($attrs)) { + return PEAR::raiseError("Unable to create fresh entry: Parameter \$attrs needs to be an array!"); + } + + $entry = new Net_LDAP2_Entry($attrs, $dn); + return $entry; + } + + /** + * Creates a Net_LDAP2_Entry object out of an ldap entry resource + * + * Use this method, if you want to initialize an entry object that is + * already present in some directory and that you have read manually. + * + * Please note, that if you want to create an entry object that represents + * some already existing entry, you should use {@link createExisting()}. + * + * The method should be called statically: $entry = Net_LDAP2_Entry::createConnected(); + * + * @param Net_LDAP2 $ldap Net_LDA2 object + * @param resource $entry PHP LDAP entry resource + * + * @static + * @return Net_LDAP2_Entry|Net_LDAP2_Error + */ + public static function createConnected($ldap, $entry) + { + if (!$ldap instanceof Net_LDAP2) { + return PEAR::raiseError("Unable to create connected entry: Parameter \$ldap needs to be a Net_LDAP2 object!"); + } + if (!is_resource($entry)) { + return PEAR::raiseError("Unable to create connected entry: Parameter \$entry needs to be a ldap entry resource!"); + } + + $entry = new Net_LDAP2_Entry($ldap, $entry); + return $entry; + } + + /** + * Creates an Net_LDAP2_Entry object that is considered already existing + * + * Use this method, if you want to modify an already existing entry + * without fetching it first. + * In most cases however, it is better to fetch the entry via Net_LDAP2->getEntry()! + * + * Please note that you should take care if you construct entries manually with this + * because you may get weird synchronisation problems. + * The attributes and values as well as the entry itself are considered existent + * which may produce errors if you try to modify an entry which doesn't really exist + * or if you try to overwrite some attribute with an value already present. + * + * This method is equal to calling createFresh() and after that markAsNew(FALSE). + * + * The method should be called statically: $entry = Net_LDAP2_Entry::createExisting(); + * + * The attributes parameter is as following: + * <code> + * $attrs = array( 'attribute1' => array('value1', 'value2'), + * 'attribute2' => 'single value' + * ); + * </code> + * + * @param string $dn DN of the Entry + * @param array $attrs Attributes of the entry + * + * @static + * @return Net_LDAP2_Entry|Net_LDAP2_Error + */ + public static function createExisting($dn, $attrs = array()) + { + if (!is_array($attrs)) { + return PEAR::raiseError("Unable to create entry object: Parameter \$attrs needs to be an array!"); + } + + $entry = Net_LDAP2_Entry::createFresh($dn, $attrs); + if ($entry instanceof Net_LDAP2_Error) { + return $entry; + } else { + $entry->markAsNew(false); + return $entry; + } + } + + /** + * Get or set the distinguished name of the entry + * + * If called without an argument the current (or the new DN if set) DN gets returned. + * If you provide an DN, this entry is moved to the new location specified if a DN existed. + * If the DN was not set, the DN gets initialized. Call {@link update()} to actually create + * the new Entry in the directory. + * To fetch the current active DN after setting a new DN but before an update(), you can use + * {@link currentDN()} to retrieve the DN that is currently active. + * + * Please note that special characters (eg german umlauts) should be encoded using utf8_encode(). + * You may use {@link Net_LDAP2_Util::canonical_dn()} for properly encoding of the DN. + * + * @param string $dn New distinguished name + * + * @access public + * @return string|true Distinguished name (or true if a new DN was provided) + */ + public function dn($dn = null) + { + if (false == is_null($dn)) { + if (is_null($this->_dn)) { + $this->_dn = $dn; + } else { + $this->_newdn = $dn; + } + return true; + } + return (isset($this->_newdn) ? $this->_newdn : $this->currentDN()); + } + + /** + * Renames or moves the entry + * + * This is just a convinience alias to {@link dn()} + * to make your code more meaningful. + * + * @param string $newdn The new DN + * + * @return true + */ + public function move($newdn) + { + return $this->dn($newdn); + } + + /** + * Sets the internal attributes array + * + * This fetches the values for the attributes from the server. + * The attribute Syntax will be checked so binary attributes will be returned + * as binary values. + * + * Attributes may be passed directly via the $attributes parameter to setup this + * entry manually. This overrides attribute fetching from the server. + * + * @param array $attributes Attributes to set for this entry + * + * @access protected + * @return void + */ + protected function setAttributes($attributes = null) + { + /* + * fetch attributes from the server + */ + if (is_null($attributes) && is_resource($this->_entry) && is_resource($this->_link)) { + // fetch schema + if ($this->_ldap instanceof Net_LDAP2) { + $schema =& $this->_ldap->schema(); + } + // fetch attributes + $attributes = array(); + do { + if (empty($attr)) { + $ber = null; + $attr = @ldap_first_attribute($this->_link, $this->_entry, $ber); + } else { + $attr = @ldap_next_attribute($this->_link, $this->_entry, $ber); + } + if ($attr) { + $func = 'ldap_get_values'; // standard function to fetch value + + // Try to get binary values as binary data + if ($schema instanceof Net_LDAP2_Schema) { + if ($schema->isBinary($attr)) { + $func = 'ldap_get_values_len'; + } + } + // fetch attribute value (needs error checking?) + $attributes[$attr] = $func($this->_link, $this->_entry, $attr); + } + } while ($attr); + } + + /* + * set attribute data directly, if passed + */ + if (is_array($attributes) && count($attributes) > 0) { + if (isset($attributes["count"]) && is_numeric($attributes["count"])) { + unset($attributes["count"]); + } + foreach ($attributes as $k => $v) { + // attribute names should not be numeric + if (is_numeric($k)) { + continue; + } + // map generic attribute name to real one + $this->_map[strtolower($k)] = $k; + // attribute values should be in an array + if (false == is_array($v)) { + $v = array($v); + } + // remove the value count (comes from ldap server) + if (isset($v["count"])) { + unset($v["count"]); + } + $this->_attributes[$k] = $v; + } + } + + // save a copy for later use + $this->_original = $this->_attributes; + } + + /** + * Get the values of all attributes in a hash + * + * The returned hash has the form + * <code>array('attributename' => 'single value', + * 'attributename' => array('value1', value2', value3'))</code> + * + * @access public + * @return array Hash of all attributes with their values + */ + public function getValues() + { + $attrs = array(); + foreach ($this->_attributes as $attr => $value) { + $attrs[$attr] = $this->getValue($attr); + } + return $attrs; + } + + /** + * Get the value of a specific attribute + * + * The first parameter is the name of the attribute + * The second parameter influences the way the value is returned: + * 'single': only the first value is returned as string + * 'all': all values including the value count are returned in an + * array + * 'default': in all other cases an attribute value with a single value is + * returned as string, if it has multiple values it is returned + * as an array (without value count) + * + * @param string $attr Attribute name + * @param string $option Option + * + * @access public + * @return string|array|PEAR_Error string, array or PEAR_Error + */ + public function getValue($attr, $option = null) + { + $attr = $this->getAttrName($attr); + + if (false == array_key_exists($attr, $this->_attributes)) { + return PEAR::raiseError("Unknown attribute ($attr) requested"); + } + + $value = $this->_attributes[$attr]; + + if ($option == "single" || (count($value) == 1 && $option != 'all')) { + $value = array_shift($value); + } + + return $value; + } + + /** + * Alias function of getValue for perl-ldap interface + * + * @see getValue() + * @return string|array|PEAR_Error + */ + public function get_value() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'getValue' ), $args); + } + + /** + * Returns an array of attributes names + * + * @access public + * @return array Array of attribute names + */ + public function attributes() + { + return array_keys($this->_attributes); + } + + /** + * Returns whether an attribute exists or not + * + * @param string $attr Attribute name + * + * @access public + * @return boolean + */ + public function exists($attr) + { + $attr = $this->getAttrName($attr); + return array_key_exists($attr, $this->_attributes); + } + + /** + * Adds a new attribute or a new value to an existing attribute + * + * The paramter has to be an array of the form: + * array('attributename' => 'single value', + * 'attributename' => array('value1', 'value2)) + * When the attribute already exists the values will be added, else the + * attribute will be created. These changes are local to the entry and do + * not affect the entry on the server until update() is called. + * + * Note, that you can add values of attributes that you haven't selected, but if + * you do so, {@link getValue()} and {@link getValues()} will only return the + * values you added, _NOT_ all values present on the server. To avoid this, just refetch + * the entry after calling {@link update()} or select the attribute. + * + * @param array $attr Attributes to add + * + * @access public + * @return true|Net_LDAP2_Error + */ + public function add($attr = array()) + { + if (false == is_array($attr)) { + return PEAR::raiseError("Parameter must be an array"); + } + foreach ($attr as $k => $v) { + $k = $this->getAttrName($k); + if (false == is_array($v)) { + // Do not add empty values + if ($v == null) { + continue; + } else { + $v = array($v); + } + } + // add new values to existing attribute or add new attribute + if ($this->exists($k)) { + $this->_attributes[$k] = array_unique(array_merge($this->_attributes[$k], $v)); + } else { + $this->_map[strtolower($k)] = $k; + $this->_attributes[$k] = $v; + } + // save changes for update() + if (empty($this->_changes["add"][$k])) { + $this->_changes["add"][$k] = array(); + } + $this->_changes["add"][$k] = array_unique(array_merge($this->_changes["add"][$k], $v)); + } + $return = true; + return $return; + } + + /** + * Deletes an whole attribute or a value or the whole entry + * + * The parameter can be one of the following: + * + * "attributename" - The attribute as a whole will be deleted + * array("attributename1", "attributename2) - All given attributes will be + * deleted + * array("attributename" => "value") - The value will be deleted + * array("attributename" => array("value1", "value2") - The given values + * will be deleted + * If $attr is null or omitted , then the whole Entry will be deleted! + * + * These changes are local to the entry and do + * not affect the entry on the server until {@link update()} is called. + * + * Please note that you must select the attribute (at $ldap->search() for example) + * to be able to delete values of it, Otherwise {@link update()} will silently fail + * and remove nothing. + * + * @param string|array $attr Attributes to delete (NULL or missing to delete whole entry) + * + * @access public + * @return true + */ + public function delete($attr = null) + { + if (is_null($attr)) { + $this->_delete = true; + return true; + } + if (is_string($attr)) { + $attr = array($attr); + } + // Make the assumption that attribute names cannot be numeric, + // therefore this has to be a simple list of attribute names to delete + if (is_numeric(key($attr))) { + foreach ($attr as $name) { + if (is_array($name)) { + // someone mixed modes (list mode but specific values given!) + $del_attr_name = array_search($name, $attr); + $this->delete(array($del_attr_name => $name)); + } else { + // mark for update() if this attr was not marked before + $name = $this->getAttrName($name); + if ($this->exists($name)) { + $this->_changes["delete"][$name] = null; + unset($this->_attributes[$name]); + } + } + } + } else { + // Here we have a hash with "attributename" => "value to delete" + foreach ($attr as $name => $values) { + if (is_int($name)) { + // someone mixed modes and gave us just an attribute name + $this->delete($values); + } else { + // mark for update() if this attr was not marked before; + // this time it must consider the selected values also + $name = $this->getAttrName($name); + if ($this->exists($name)) { + if (false == is_array($values)) { + $values = array($values); + } + // save values to be deleted + if (empty($this->_changes["delete"][$name])) { + $this->_changes["delete"][$name] = array(); + } + $this->_changes["delete"][$name] = + array_unique(array_merge($this->_changes["delete"][$name], $values)); + foreach ($values as $value) { + // find the key for the value that should be deleted + $key = array_search($value, $this->_attributes[$name]); + if (false !== $key) { + // delete the value + unset($this->_attributes[$name][$key]); + } + } + } + } + } + } + $return = true; + return $return; + } + + /** + * Replaces attributes or its values + * + * The parameter has to an array of the following form: + * array("attributename" => "single value", + * "attribute2name" => array("value1", "value2"), + * "deleteme1" => null, + * "deleteme2" => "") + * If the attribute does not yet exist it will be added instead (see also $force). + * If the attribue value is null, the attribute will de deleted. + * + * These changes are local to the entry and do + * not affect the entry on the server until {@link update()} is called. + * + * In some cases you are not allowed to read the attributes value (for + * example the ActiveDirectory attribute unicodePwd) but are allowed to + * replace the value. In this case replace() would assume that the attribute + * is not in the directory yet and tries to add it which will result in an + * LDAP_TYPE_OR_VALUE_EXISTS error. + * To force replace mode instead of add, you can set $force to true. + * + * @param array $attr Attributes to replace + * @param bool $force Force replacing mode in case we can't read the attr value but are allowed to replace it + * + * @access public + * @return true|Net_LDAP2_Error + */ + public function replace($attr = array(), $force = false) + { + if (false == is_array($attr)) { + return PEAR::raiseError("Parameter must be an array"); + } + foreach ($attr as $k => $v) { + $k = $this->getAttrName($k); + if (false == is_array($v)) { + // delete attributes with empty values; treat ints as string + if (is_int($v)) { + $v = "$v"; + } + if ($v == null) { + $this->delete($k); + continue; + } else { + $v = array($v); + } + } + // existing attributes will get replaced + if ($this->exists($k) || $force) { + $this->_changes["replace"][$k] = $v; + $this->_attributes[$k] = $v; + } else { + // new ones just get added + $this->add(array($k => $v)); + } + } + $return = true; + return $return; + } + + /** + * Update the entry on the directory server + * + * This will evaluate all changes made so far and send them + * to the directory server. + * Please note, that if you make changes to objectclasses wich + * have mandatory attributes set, update() will currently fail. + * Remove the entry from the server and readd it as new in such cases. + * This also will deal with problems with setting structural object classes. + * + * @param Net_LDAP2 $ldap If passed, a call to setLDAP() is issued prior update, thus switching the LDAP-server. This is for perl-ldap interface compliance + * + * @access public + * @return true|Net_LDAP2_Error + * @todo Entry rename with a DN containing special characters needs testing! + */ + public function update($ldap = null) + { + if ($ldap) { + $msg = $this->setLDAP($ldap); + if (Net_LDAP2::isError($msg)) { + return PEAR::raiseError('You passed an invalid $ldap variable to update()'); + } + } + + // ensure we have a valid LDAP object + $ldap =& $this->getLDAP(); + if (!$ldap instanceof Net_LDAP2) { + return PEAR::raiseError("The entries LDAP object is not valid"); + } + + // Get and check link + $link = $ldap->getLink(); + if (!is_resource($link)) { + return PEAR::raiseError("Could not update entry: internal LDAP link is invalid"); + } + + /* + * Delete the entry + */ + if (true === $this->_delete) { + return $ldap->delete($this); + } + + /* + * New entry + */ + if (true === $this->_new) { + $msg = $ldap->add($this); + if (Net_LDAP2::isError($msg)) { + return $msg; + } + $this->_new = false; + $this->_changes['add'] = array(); + $this->_changes['delete'] = array(); + $this->_changes['replace'] = array(); + $this->_original = $this->_attributes; + + $return = true; + return $return; + } + + /* + * Rename/move entry + */ + if (false == is_null($this->_newdn)) { + if ($ldap->getLDAPVersion() !== 3) { + return PEAR::raiseError("Renaming/Moving an entry is only supported in LDAPv3"); + } + // make dn relative to parent (needed for ldap rename) + $parent = Net_LDAP2_Util::ldap_explode_dn($this->_newdn, array('casefolding' => 'none', 'reverse' => false, 'onlyvalues' => false)); + if (Net_LDAP2::isError($parent)) { + return $parent; + } + $child = array_shift($parent); + // maybe the dn consist of a multivalued RDN, we must build the dn in this case + // because the $child-RDN is an array! + if (is_array($child)) { + $child = Net_LDAP2_Util::canonical_dn($child); + } + $parent = Net_LDAP2_Util::canonical_dn($parent); + + // rename/move + if (false == @ldap_rename($link, $this->_dn, $child, $parent, true)) { + return PEAR::raiseError("Entry not renamed: " . + @ldap_error($link), @ldap_errno($link)); + } + // reflect changes to local copy + $this->_dn = $this->_newdn; + $this->_newdn = null; + } + + /* + * Carry out modifications to the entry + */ + // ADD + foreach ($this->_changes["add"] as $attr => $value) { + // if attribute exists, add new values + if ($this->exists($attr)) { + if (false === @ldap_mod_add($link, $this->dn(), array($attr => $value))) { + return PEAR::raiseError("Could not add new values to attribute $attr: " . + @ldap_error($link), @ldap_errno($link)); + } + } else { + // new attribute + if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) { + return PEAR::raiseError("Could not add new attribute $attr: " . + @ldap_error($link), @ldap_errno($link)); + } + } + // all went well here, I guess + unset($this->_changes["add"][$attr]); + } + + // DELETE + foreach ($this->_changes["delete"] as $attr => $value) { + // In LDAPv3 you need to specify the old values for deleting + if (is_null($value) && $ldap->getLDAPVersion() === 3) { + $value = $this->_original[$attr]; + } + if (false === @ldap_mod_del($link, $this->dn(), array($attr => $value))) { + return PEAR::raiseError("Could not delete attribute $attr: " . + @ldap_error($link), @ldap_errno($link)); + } + unset($this->_changes["delete"][$attr]); + } + + // REPLACE + foreach ($this->_changes["replace"] as $attr => $value) { + if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) { + return PEAR::raiseError("Could not replace attribute $attr values: " . + @ldap_error($link), @ldap_errno($link)); + } + unset($this->_changes["replace"][$attr]); + } + + // all went well, so _original (server) becomes _attributes (local copy) + $this->_original = $this->_attributes; + + $return = true; + return $return; + } + + /** + * Returns the right attribute name + * + * @param string $attr Name of attribute + * + * @access protected + * @return string The right name of the attribute + */ + protected function getAttrName($attr) + { + $name = strtolower($attr); + if (array_key_exists($name, $this->_map)) { + $attr = $this->_map[$name]; + } + return $attr; + } + + /** + * Returns a reference to the LDAP-Object of this entry + * + * @access public + * @return Net_LDAP2|Net_LDAP2_Error Reference to the Net_LDAP2 Object (the connection) or Net_LDAP2_Error + */ + public function &getLDAP() + { + if (!$this->_ldap instanceof Net_LDAP2) { + $err = new PEAR_Error('LDAP is not a valid Net_LDAP2 object'); + return $err; + } else { + return $this->_ldap; + } + } + + /** + * Sets a reference to the LDAP-Object of this entry + * + * After setting a Net_LDAP2 object, calling update() will use that object for + * updating directory contents. Use this to dynamicly switch directorys. + * + * @param Net_LDAP2 &$ldap Net_LDAP2 object that this entry should be connected to + * + * @access public + * @return true|Net_LDAP2_Error + */ + public function setLDAP(&$ldap) + { + if (!$ldap instanceof Net_LDAP2) { + return PEAR::raiseError("LDAP is not a valid Net_LDAP2 object"); + } else { + $this->_ldap =& $ldap; + return true; + } + } + + /** + * Marks the entry as new/existing. + * + * If an Entry is marked as new, it will be added to the directory + * when calling {@link update()}. + * If the entry is marked as old ($mark = false), then the entry is + * assumed to be present in the directory server wich results in + * modification when calling {@link update()}. + * + * @param boolean $mark Value to set, defaults to "true" + * + * @return void + */ + public function markAsNew($mark = true) + { + $this->_new = ($mark)? true : false; + } + + /** + * Applies a regular expression onto a single- or multivalued attribute (like preg_match()) + * + * This method behaves like PHPs preg_match() but with some exceptions. + * If you want to retrieve match information, then you MUST pass the + * $matches parameter via reference! otherwise you will get no matches. + * Since it is possible to have multi valued attributes the $matches + * array will have a additionally numerical dimension (one for each value): + * <code> + * $matches = array( + * 0 => array (usual preg_match() returnarray), + * 1 => array (usual preg_match() returnarray) + * ) + * </code> + * Please note, that $matches will be initialized to an empty array inside. + * + * Usage example: + * <code> + * $result = $entry->preg_match('/089(\d+)/', 'telephoneNumber', &$matches); + * if ( $result === true ){ + * echo "First match: ".$matches[0][1]; // Match of value 1, content of first bracket + * } else { + * if ( Net_LDAP2::isError($result) ) { + * echo "Error: ".$result->getMessage(); + * } else { + * echo "No match found."; + * } + * } + * </code> + * + * Please note that it is important to test for an Net_LDAP2_Error, because objects are + * evaluating to true by default, thus if an error occured, and you only check using "==" then + * you get misleading results. Use the "identical" (===) operator to test for matches to + * avoid this as shown above. + * + * @param string $regex The regular expression + * @param string $attr_name The attribute to search in + * @param array $matches (optional, PASS BY REFERENCE!) Array to store matches in + * + * @return boolean|Net_LDAP2_Error TRUE, if we had a match in one of the values, otherwise false. Net_LDAP2_Error in case something went wrong + */ + public function pregMatch($regex, $attr_name, $matches = array()) + { + $matches = array(); + + // fetch attribute values + $attr = $this->getValue($attr_name, 'all'); + if (Net_LDAP2::isError($attr)) { + return $attr; + } else { + unset($attr['count']); + } + + // perform preg_match() on all values + $match = false; + foreach ($attr as $thisvalue) { + $matches_int = array(); + if (preg_match($regex, $thisvalue, $matches_int)) { + $match = true; + array_push($matches, $matches_int); // store matches in reference + } + } + return $match; + } + + /** + * Alias of {@link pregMatch()} for compatibility to Net_LDAP 1 + * + * @see pregMatch() + * @return boolean|Net_LDAP2_Error + */ + public function preg_match() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'pregMatch' ), $args); + } + + /** + * Tells if the entry is consiedered as new (not present in the server) + * + * Please note, that this doesn't tell you if the entry is present on the server. + * Use {@link Net_LDAP2::dnExists()} to see if an entry is already there. + * + * @return boolean + */ + public function isNew() + { + return $this->_new; + } + + + /** + * Is this entry going to be deleted once update() is called? + * + * @return boolean + */ + public function willBeDeleted() + { + return $this->_delete; + } + + /** + * Is this entry going to be moved once update() is called? + * + * @return boolean + */ + public function willBeMoved() + { + return ($this->dn() !== $this->currentDN()); + } + + /** + * Returns always the original DN + * + * If an entry will be moved but {@link update()} was not called, + * {@link dn()} will return the new DN. This method however, returns + * always the current active DN. + * + * @return string + */ + public function currentDN() + { + return $this->_dn; + } + + /** + * Returns the attribute changes to be carried out once update() is called + * + * @return array + */ + public function getChanges() + { + return $this->_changes; + } +} +?> diff --git a/extlib/Net/LDAP2/Filter.php b/extlib/Net/LDAP2/Filter.php new file mode 100644 index 000000000..0723edab2 --- /dev/null +++ b/extlib/Net/LDAP2/Filter.php @@ -0,0 +1,514 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_Filter interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: Filter.php 289978 2009-10-27 09:56:41Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; +require_once 'Util.php'; + +/** +* Object representation of a part of a LDAP filter. +* +* This Class is not completely compatible to the PERL interface! +* +* The purpose of this class is, that users can easily build LDAP filters +* without having to worry about right escaping etc. +* A Filter is built using several independent filter objects +* which are combined afterwards. This object works in two +* modes, depending how the object is created. +* If the object is created using the {@link create()} method, then this is a leaf-object. +* If the object is created using the {@link combine()} method, then this is a container object. +* +* LDAP filters are defined in RFC-2254 and can be found under +* {@link http://www.ietf.org/rfc/rfc2254.txt} +* +* Here a quick copy&paste example: +* <code> +* $filter0 = Net_LDAP2_Filter::create('stars', 'equals', '***'); +* $filter_not0 = Net_LDAP2_Filter::combine('not', $filter0); +* +* $filter1 = Net_LDAP2_Filter::create('gn', 'begins', 'bar'); +* $filter2 = Net_LDAP2_Filter::create('gn', 'ends', 'baz'); +* $filter_comp = Net_LDAP2_Filter::combine('or',array($filter_not0, $filter1, $filter2)); +* +* echo $filter_comp->asString(); +* // This will output: (|(!(stars=\0x5c0x2a\0x5c0x2a\0x5c0x2a))(gn=bar*)(gn=*baz)) +* // The stars in $filter0 are treaten as real stars unless you disable escaping. +* </code> +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP2/ +*/ +class Net_LDAP2_Filter extends PEAR +{ + /** + * Storage for combination of filters + * + * This variable holds a array of filter objects + * that should be combined by this filter object. + * + * @access protected + * @var array + */ + protected $_subfilters = array(); + + /** + * Match of this filter + * + * If this is a leaf filter, then a matching rule is stored, + * if it is a container, then it is a logical operator + * + * @access protected + * @var string + */ + protected $_match; + + /** + * Single filter + * + * If we operate in leaf filter mode, + * then the constructing method stores + * the filter representation here + * + * @acces private + * @var string + */ + protected $_filter; + + /** + * Create a new Net_LDAP2_Filter object and parse $filter. + * + * This is for PERL Net::LDAP interface. + * Construction of Net_LDAP2_Filter objects should happen through either + * {@link create()} or {@link combine()} which give you more control. + * However, you may use the perl iterface if you already have generated filters. + * + * @param string $filter LDAP filter string + * + * @see parse() + */ + public function __construct($filter = false) + { + // The optional parameter must remain here, because otherwise create() crashes + if (false !== $filter) { + $filter_o = self::parse($filter); + if (PEAR::isError($filter_o)) { + $this->_filter = $filter_o; // assign error, so asString() can report it + } else { + $this->_filter = $filter_o->asString(); + } + } + } + + /** + * Constructor of a new part of a LDAP filter. + * + * The following matching rules exists: + * - equals: One of the attributes values is exactly $value + * Please note that case sensitiviness is depends on the + * attributes syntax configured in the server. + * - begins: One of the attributes values must begin with $value + * - ends: One of the attributes values must end with $value + * - contains: One of the attributes values must contain $value + * - present | any: The attribute can contain any value but must be existent + * - greater: The attributes value is greater than $value + * - less: The attributes value is less than $value + * - greaterOrEqual: The attributes value is greater or equal than $value + * - lessOrEqual: The attributes value is less or equal than $value + * - approx: One of the attributes values is similar to $value + * + * If $escape is set to true (default) then $value will be escaped + * properly. If it is set to false then $value will be treaten as raw filter value string. + * You should escape yourself using {@link Net_LDAP2_Util::escape_filter_value()}! + * + * Examples: + * <code> + * // This will find entries that contain an attribute "sn" that ends with "foobar": + * $filter = new Net_LDAP2_Filter('sn', 'ends', 'foobar'); + * + * // This will find entries that contain an attribute "sn" that has any value set: + * $filter = new Net_LDAP2_Filter('sn', 'any'); + * </code> + * + * @param string $attr_name Name of the attribute the filter should apply to + * @param string $match Matching rule (equals, begins, ends, contains, greater, less, greaterOrEqual, lessOrEqual, approx, any) + * @param string $value (optional) if given, then this is used as a filter + * @param boolean $escape Should $value be escaped? (default: yes, see {@link Net_LDAP2_Util::escape_filter_value()} for detailed information) + * + * @return Net_LDAP2_Filter|Net_LDAP2_Error + */ + public static function &create($attr_name, $match, $value = '', $escape = true) + { + $leaf_filter = new Net_LDAP2_Filter(); + if ($escape) { + $array = Net_LDAP2_Util::escape_filter_value(array($value)); + $value = $array[0]; + } + switch (strtolower($match)) { + case 'equals': + $leaf_filter->_filter = '(' . $attr_name . '=' . $value . ')'; + break; + case 'begins': + $leaf_filter->_filter = '(' . $attr_name . '=' . $value . '*)'; + break; + case 'ends': + $leaf_filter->_filter = '(' . $attr_name . '=*' . $value . ')'; + break; + case 'contains': + $leaf_filter->_filter = '(' . $attr_name . '=*' . $value . '*)'; + break; + case 'greater': + $leaf_filter->_filter = '(' . $attr_name . '>' . $value . ')'; + break; + case 'less': + $leaf_filter->_filter = '(' . $attr_name . '<' . $value . ')'; + break; + case 'greaterorequal': + case '>=': + $leaf_filter->_filter = '(' . $attr_name . '>=' . $value . ')'; + break; + case 'lessorequal': + case '<=': + $leaf_filter->_filter = '(' . $attr_name . '<=' . $value . ')'; + break; + case 'approx': + case '~=': + $leaf_filter->_filter = '(' . $attr_name . '~=' . $value . ')'; + break; + case 'any': + case 'present': // alias that may improve user code readability + $leaf_filter->_filter = '(' . $attr_name . '=*)'; + break; + default: + return PEAR::raiseError('Net_LDAP2_Filter create error: matching rule "' . $match . '" not known!'); + } + return $leaf_filter; + } + + /** + * Combine two or more filter objects using a logical operator + * + * This static method combines two or more filter objects and returns one single + * filter object that contains all the others. + * Call this method statically: $filter = Net_LDAP2_Filter('or', array($filter1, $filter2)) + * If the array contains filter strings instead of filter objects, we will try to parse them. + * + * @param string $log_op The locicall operator. May be "and", "or", "not" or the subsequent logical equivalents "&", "|", "!" + * @param array|Net_LDAP2_Filter $filters array with Net_LDAP2_Filter objects + * + * @return Net_LDAP2_Filter|Net_LDAP2_Error + * @static + */ + public static function &combine($log_op, $filters) + { + if (PEAR::isError($filters)) { + return $filters; + } + + // substitude named operators to logical operators + if ($log_op == 'and') $log_op = '&'; + if ($log_op == 'or') $log_op = '|'; + if ($log_op == 'not') $log_op = '!'; + + // tests for sane operation + if ($log_op == '!') { + // Not-combination, here we only accept one filter object or filter string + if ($filters instanceof Net_LDAP2_Filter) { + $filters = array($filters); // force array + } elseif (is_string($filters)) { + $filter_o = self::parse($filters); + if (PEAR::isError($filter_o)) { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: '.$filter_o->getMessage()); + return $err; + } else { + $filters = array($filter_o); + } + } elseif (is_array($filters)) { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: operator is "not" but $filter is an array!'); + return $err; + } else { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: operator is "not" but $filter is not a valid Net_LDAP2_Filter nor a filter string!'); + return $err; + } + } elseif ($log_op == '&' || $log_op == '|') { + if (!is_array($filters) || count($filters) < 2) { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: parameter $filters is not an array or contains less than two Net_LDAP2_Filter objects!'); + return $err; + } + } else { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: logical operator is not known!'); + return $err; + } + + $combined_filter = new Net_LDAP2_Filter(); + foreach ($filters as $key => $testfilter) { // check for errors + if (PEAR::isError($testfilter)) { + return $testfilter; + } elseif (is_string($testfilter)) { + // string found, try to parse into an filter object + $filter_o = self::parse($testfilter); + if (PEAR::isError($filter_o)) { + return $filter_o; + } else { + $filters[$key] = $filter_o; + } + } elseif (!$testfilter instanceof Net_LDAP2_Filter) { + $err = PEAR::raiseError('Net_LDAP2_Filter combine error: invalid object passed in array $filters!'); + return $err; + } + } + + $combined_filter->_subfilters = $filters; + $combined_filter->_match = $log_op; + return $combined_filter; + } + + /** + * Parse FILTER into a Net_LDAP2_Filter object + * + * This parses an filter string into Net_LDAP2_Filter objects. + * + * @param string $FILTER The filter string + * + * @access static + * @return Net_LDAP2_Filter|Net_LDAP2_Error + * @todo Leaf-mode: Do we need to escape at all? what about *-chars?check for the need of encoding values, tackle problems (see code comments) + */ + public static function parse($FILTER) + { + if (preg_match('/^\((.+?)\)$/', $FILTER, $matches)) { + if (in_array(substr($matches[1], 0, 1), array('!', '|', '&'))) { + // Subfilter processing: pass subfilters to parse() and combine + // the objects using the logical operator detected + // we have now something like "&(...)(...)(...)" but at least one part ("!(...)"). + // Each subfilter could be an arbitary complex subfilter. + + // extract logical operator and filter arguments + $log_op = substr($matches[1], 0, 1); + $remaining_component = substr($matches[1], 1); + + // split $remaining_component into individual subfilters + // we cannot use split() for this, because we do not know the + // complexiness of the subfilter. Thus, we look trough the filter + // string and just recognize ending filters at the first level. + // We record the index number of the char and use that information + // later to split the string. + $sub_index_pos = array(); + $prev_char = ''; // previous character looked at + $level = 0; // denotes the current bracket level we are, + // >1 is too deep, 1 is ok, 0 is outside any + // subcomponent + for ($curpos = 0; $curpos < strlen($remaining_component); $curpos++) { + $cur_char = substr($remaining_component, $curpos, 1); + + // rise/lower bracket level + if ($cur_char == '(' && $prev_char != '\\') { + $level++; + } elseif ($cur_char == ')' && $prev_char != '\\') { + $level--; + } + + if ($cur_char == '(' && $prev_char == ')' && $level == 1) { + array_push($sub_index_pos, $curpos); // mark the position for splitting + } + $prev_char = $cur_char; + } + + // now perform the splits. To get also the last part, we + // need to add the "END" index to the split array + array_push($sub_index_pos, strlen($remaining_component)); + $subfilters = array(); + $oldpos = 0; + foreach ($sub_index_pos as $s_pos) { + $str_part = substr($remaining_component, $oldpos, $s_pos - $oldpos); + array_push($subfilters, $str_part); + $oldpos = $s_pos; + } + + // some error checking... + if (count($subfilters) == 1) { + // only one subfilter found + } elseif (count($subfilters) > 1) { + // several subfilters found + if ($log_op == "!") { + return PEAR::raiseError("Filter parsing error: invalid filter syntax - NOT operator detected but several arguments given!"); + } + } else { + // this should not happen unless the user specified a wrong filter + return PEAR::raiseError("Filter parsing error: invalid filter syntax - got operator '$log_op' but no argument!"); + } + + // Now parse the subfilters into objects and combine them using the operator + $subfilters_o = array(); + foreach ($subfilters as $s_s) { + $o = self::parse($s_s); + if (PEAR::isError($o)) { + return $o; + } else { + array_push($subfilters_o, self::parse($s_s)); + } + } + + $filter_o = self::combine($log_op, $subfilters_o); + return $filter_o; + + } else { + // This is one leaf filter component, do some syntax checks, then escape and build filter_o + // $matches[1] should be now something like "foo=bar" + + // detect multiple leaf components + // [TODO] Maybe this will make problems with filters containing brackets inside the value + if (stristr($matches[1], ')(')) { + return PEAR::raiseError("Filter parsing error: invalid filter syntax - multiple leaf components detected!"); + } else { + $filter_parts = preg_split('/(?<!\\\\)(=|=~|>|<|>=|<=)/', $matches[1], 2, PREG_SPLIT_DELIM_CAPTURE); + if (count($filter_parts) != 3) { + return PEAR::raiseError("Filter parsing error: invalid filter syntax - unknown matching rule used"); + } else { + $filter_o = new Net_LDAP2_Filter(); + // [TODO]: Do we need to escape at all? what about *-chars user provide and that should remain special? + // I think, those prevent escaping! We need to check against PERL Net::LDAP! + // $value_arr = Net_LDAP2_Util::escape_filter_value(array($filter_parts[2])); + // $value = $value_arr[0]; + $value = $filter_parts[2]; + $filter_o->_filter = '('.$filter_parts[0].$filter_parts[1].$value.')'; + return $filter_o; + } + } + } + } else { + // ERROR: Filter components must be enclosed in round brackets + return PEAR::raiseError("Filter parsing error: invalid filter syntax - filter components must be enclosed in round brackets"); + } + } + + /** + * Get the string representation of this filter + * + * This method runs through all filter objects and creates + * the string representation of the filter. If this + * filter object is a leaf filter, then it will return + * the string representation of this filter. + * + * @return string|Net_LDAP2_Error + */ + public function asString() + { + if ($this->isLeaf()) { + $return = $this->_filter; + } else { + $return = ''; + foreach ($this->_subfilters as $filter) { + $return = $return.$filter->asString(); + } + $return = '(' . $this->_match . $return . ')'; + } + return $return; + } + + /** + * Alias for perl interface as_string() + * + * @see asString() + * @return string|Net_LDAP2_Error + */ + public function as_string() + { + return $this->asString(); + } + + /** + * Print the text representation of the filter to FH, or the currently selected output handle if FH is not given + * + * This method is only for compatibility to the perl interface. + * However, the original method was called "print" but due to PHP language restrictions, + * we can't have a print() method. + * + * @param resource $FH (optional) A filehandle resource + * + * @return true|Net_LDAP2_Error + */ + public function printMe($FH = false) + { + if (!is_resource($FH)) { + if (PEAR::isError($FH)) { + return $FH; + } + $filter_str = $this->asString(); + if (PEAR::isError($filter_str)) { + return $filter_str; + } else { + print($filter_str); + } + } else { + $filter_str = $this->asString(); + if (PEAR::isError($filter_str)) { + return $filter_str; + } else { + $res = @fwrite($FH, $this->asString()); + if ($res == false) { + return PEAR::raiseError("Unable to write filter string to filehandle \$FH!"); + } + } + } + return true; + } + + /** + * This can be used to escape a string to provide a valid LDAP-Filter. + * + * LDAP will only recognise certain characters as the + * character istself if they are properly escaped. This is + * what this method does. + * The method can be called statically, so you can use it outside + * for your own purposes (eg for escaping only parts of strings) + * + * In fact, this is just a shorthand to {@link Net_LDAP2_Util::escape_filter_value()}. + * For upward compatibiliy reasons you are strongly encouraged to use the escape + * methods provided by the Net_LDAP2_Util class. + * + * @param string $value Any string who should be escaped + * + * @static + * @return string The string $string, but escaped + * @deprecated Do not use this method anymore, instead use Net_LDAP2_Util::escape_filter_value() directly + */ + public static function escape($value) + { + $return = Net_LDAP2_Util::escape_filter_value(array($value)); + return $return[0]; + } + + /** + * Is this a container or a leaf filter object? + * + * @access protected + * @return boolean + */ + protected function isLeaf() + { + if (count($this->_subfilters) > 0) { + return false; // Container! + } else { + return true; // Leaf! + } + } +} +?> diff --git a/extlib/Net/LDAP2/LDIF.php b/extlib/Net/LDAP2/LDIF.php new file mode 100644 index 000000000..34f3e75dd --- /dev/null +++ b/extlib/Net/LDAP2/LDIF.php @@ -0,0 +1,922 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_LDIF interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: LDIF.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; +require_once 'Net/LDAP2.php'; +require_once 'Net/LDAP2/Entry.php'; +require_once 'Net/LDAP2/Util.php'; + +/** +* LDIF capabilitys for Net_LDAP2, closely taken from PERLs Net::LDAP +* +* It provides a means to convert between Net_LDAP2_Entry objects and LDAP entries +* represented in LDIF format files. Reading and writing are supported and may +* manipulate single entries or lists of entries. +* +* Usage example: +* <code> +* // Read and parse an ldif-file into Net_LDAP2_Entry objects +* // and print out the DNs. Store the entries for later use. +* require 'Net/LDAP2/LDIF.php'; +* $options = array( +* 'onerror' => 'die' +* ); +* $entries = array(); +* $ldif = new Net_LDAP2_LDIF('test.ldif', 'r', $options); +* do { +* $entry = $ldif->read_entry(); +* $dn = $entry->dn(); +* echo " done building entry: $dn\n"; +* array_push($entries, $entry); +* } while (!$ldif->eof()); +* $ldif->done(); +* +* +* // write those entries to another file +* $ldif = new Net_LDAP2_LDIF('test.out.ldif', 'w', $options); +* $ldif->write_entry($entries); +* $ldif->done(); +* </code> +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +* @see http://www.ietf.org/rfc/rfc2849.txt +* @todo Error handling should be PEARified +* @todo LDAPv3 controls are not implemented yet +*/ +class Net_LDAP2_LDIF extends PEAR +{ + /** + * Options + * + * @access protected + * @var array + */ + protected $_options = array('encode' => 'base64', + 'onerror' => null, + 'change' => 0, + 'lowercase' => 0, + 'sort' => 0, + 'version' => null, + 'wrap' => 78, + 'raw' => '' + ); + + /** + * Errorcache + * + * @access protected + * @var array + */ + protected $_error = array('error' => null, + 'line' => 0 + ); + + /** + * Filehandle for read/write + * + * @access protected + * @var array + */ + protected $_FH = null; + + /** + * Says, if we opened the filehandle ourselves + * + * @access protected + * @var array + */ + protected $_FH_opened = false; + + /** + * Linecounter for input file handle + * + * @access protected + * @var array + */ + protected $_input_line = 0; + + /** + * counter for processed entries + * + * @access protected + * @var int + */ + protected $_entrynum = 0; + + /** + * Mode we are working in + * + * Either 'r', 'a' or 'w' + * + * @access protected + * @var string + */ + protected $_mode = false; + + /** + * Tells, if the LDIF version string was already written + * + * @access protected + * @var boolean + */ + protected $_version_written = false; + + /** + * Cache for lines that have build the current entry + * + * @access protected + * @var boolean + */ + protected $_lines_cur = array(); + + /** + * Cache for lines that will build the next entry + * + * @access protected + * @var boolean + */ + protected $_lines_next = array(); + + /** + * Open LDIF file for reading or for writing + * + * new (FILE): + * Open the file read-only. FILE may be the name of a file + * or an already open filehandle. + * If the file doesn't exist, it will be created if in write mode. + * + * new (FILE, MODE, OPTIONS): + * Open the file with the given MODE (see PHPs fopen()), eg "w" or "a". + * FILE may be the name of a file or an already open filehandle. + * PERLs Net_LDAP2 "FILE|" mode does not work curently. + * + * OPTIONS is an associative array and may contain: + * encode => 'none' | 'canonical' | 'base64' + * Some DN values in LDIF cannot be written verbatim and have to be encoded in some way: + * 'none' No encoding. + * 'canonical' See "canonical_dn()" in Net::LDAP::Util. + * 'base64' Use base64. (default, this differs from the Perl interface. + * The perl default is "none"!) + * + * onerror => 'die' | 'warn' | NULL + * Specify what happens when an error is detected. + * 'die' Net_LDAP2_LDIF will croak with an appropriate message. + * 'warn' Net_LDAP2_LDIF will warn (echo) with an appropriate message. + * NULL Net_LDAP2_LDIF will not warn (default), use error(). + * + * change => 1 + * Write entry changes to the LDIF file instead of the entries itself. I.e. write LDAP + * operations acting on the entries to the file instead of the entries contents. + * This writes the changes usually carried out by an update() to the LDIF file. + * + * lowercase => 1 + * Convert attribute names to lowercase when writing. + * + * sort => 1 + * Sort attribute names when writing entries according to the rule: + * objectclass first then all other attributes alphabetically sorted by attribute name + * + * version => '1' + * Set the LDIF version to write to the resulting LDIF file. + * According to RFC 2849 currently the only legal value for this option is 1. + * When this option is set Net_LDAP2_LDIF tries to adhere more strictly to + * the LDIF specification in RFC2489 in a few places. + * The default is NULL meaning no version information is written to the LDIF file. + * + * wrap => 78 + * Number of columns where output line wrapping shall occur. + * Default is 78. Setting it to 40 or lower inhibits wrapping. + * + * raw => REGEX + * Use REGEX to denote the names of attributes that are to be + * considered binary in search results if writing entries. + * Example: raw => "/(?i:^jpegPhoto|;binary)/i" + * + * @param string|ressource $file Filename or filehandle + * @param string $mode Mode to open filename + * @param array $options Options like described above + */ + public function __construct($file, $mode = 'r', $options = array()) + { + $this->PEAR('Net_LDAP2_Error'); // default error class + + // First, parse options + // todo: maybe implement further checks on possible values + foreach ($options as $option => $value) { + if (!array_key_exists($option, $this->_options)) { + $this->dropError('Net_LDAP2_LDIF error: option '.$option.' not known!'); + return; + } else { + $this->_options[$option] = strtolower($value); + } + } + + // setup LDIF class + $this->version($this->_options['version']); + + // setup file mode + if (!preg_match('/^[rwa]\+?$/', $mode)) { + $this->dropError('Net_LDAP2_LDIF error: file mode '.$mode.' not supported!'); + } else { + $this->_mode = $mode; + + // setup filehandle + if (is_resource($file)) { + // TODO: checks on mode possible? + $this->_FH =& $file; + } else { + $imode = substr($this->_mode, 0, 1); + if ($imode == 'r') { + if (!file_exists($file)) { + $this->dropError('Unable to open '.$file.' for read: file not found'); + $this->_mode = false; + } + if (!is_readable($file)) { + $this->dropError('Unable to open '.$file.' for read: permission denied'); + $this->_mode = false; + } + } + + if (($imode == 'w' || $imode == 'a')) { + if (file_exists($file)) { + if (!is_writable($file)) { + $this->dropError('Unable to open '.$file.' for write: permission denied'); + $this->_mode = false; + } + } else { + if (!@touch($file)) { + $this->dropError('Unable to create '.$file.' for write: permission denied'); + $this->_mode = false; + } + } + } + + if ($this->_mode) { + $this->_FH = @fopen($file, $this->_mode); + if (false === $this->_FH) { + // Fallback; should never be reached if tests above are good enough! + $this->dropError('Net_LDAP2_LDIF error: Could not open file '.$file); + } else { + $this->_FH_opened = true; + } + } + } + } + } + + /** + * Read one entry from the file and return it as a Net::LDAP::Entry object. + * + * @return Net_LDAP2_Entry + */ + public function read_entry() + { + // read fresh lines, set them as current lines and create the entry + $attrs = $this->next_lines(true); + if (count($attrs) > 0) { + $this->_lines_cur = $attrs; + } + return $this->current_entry(); + } + + /** + * Returns true when the end of the file is reached. + * + * @return boolean + */ + public function eof() + { + return feof($this->_FH); + } + + /** + * Write the entry or entries to the LDIF file. + * + * If you want to build an LDIF file containing several entries AND + * you want to call write_entry() several times, you must open the filehandle + * in append mode ("a"), otherwise you will always get the last entry only. + * + * @param Net_LDAP2_Entry|array $entries Entry or array of entries + * + * @return void + * @todo implement operations on whole entries (adding a whole entry) + */ + public function write_entry($entries) + { + if (!is_array($entries)) { + $entries = array($entries); + } + + foreach ($entries as $entry) { + $this->_entrynum++; + if (!$entry instanceof Net_LDAP2_Entry) { + $this->dropError('Net_LDAP2_LDIF error: entry '.$this->_entrynum.' is not an Net_LDAP2_Entry object'); + } else { + if ($this->_options['change']) { + // LDIF change mode + // fetch change information from entry + $entry_attrs_changes = $entry->getChanges(); + $num_of_changes = count($entry_attrs_changes['add']) + + count($entry_attrs_changes['replace']) + + count($entry_attrs_changes['delete']); + + $is_changed = ($num_of_changes > 0 || $entry->willBeDeleted() || $entry->willBeMoved()); + + // write version if not done yet + // also write DN of entry + if ($is_changed) { + if (!$this->_version_written) { + $this->write_version(); + } + $this->writeDN($entry->currentDN()); + } + + // process changes + // TODO: consider DN add! + if ($entry->willBeDeleted()) { + $this->writeLine("changetype: delete".PHP_EOL); + } elseif ($entry->willBeMoved()) { + $this->writeLine("changetype: modrdn".PHP_EOL); + $olddn = Net_LDAP2_Util::ldap_explode_dn($entry->currentDN(), array('casefold' => 'none')); // maybe gives a bug if using multivalued RDNs + $oldrdn = array_shift($olddn); + $oldparent = implode(',', $olddn); + $newdn = Net_LDAP2_Util::ldap_explode_dn($entry->dn(), array('casefold' => 'none')); // maybe gives a bug if using multivalued RDNs + $rdn = array_shift($newdn); + $parent = implode(',', $newdn); + $this->writeLine("newrdn: ".$rdn.PHP_EOL); + $this->writeLine("deleteoldrdn: 1".PHP_EOL); + if ($parent !== $oldparent) { + $this->writeLine("newsuperior: ".$parent.PHP_EOL); + } + // TODO: What if the entry has attribute changes as well? + // I think we should check for that and make a dummy + // entry with the changes that is written to the LDIF file + } elseif ($num_of_changes > 0) { + // write attribute change data + $this->writeLine("changetype: modify".PHP_EOL); + foreach ($entry_attrs_changes as $changetype => $entry_attrs) { + foreach ($entry_attrs as $attr_name => $attr_values) { + $this->writeLine("$changetype: $attr_name".PHP_EOL); + if ($attr_values !== null) $this->writeAttribute($attr_name, $attr_values, $changetype); + $this->writeLine("-".PHP_EOL); + } + } + } + + // finish this entrys data if we had changes + if ($is_changed) { + $this->finishEntry(); + } + } else { + // LDIF-content mode + // fetch attributes for further processing + $entry_attrs = $entry->getValues(); + + // sort and put objectclass-attrs to first position + if ($this->_options['sort']) { + ksort($entry_attrs); + if (array_key_exists('objectclass', $entry_attrs)) { + $oc = $entry_attrs['objectclass']; + unset($entry_attrs['objectclass']); + $entry_attrs = array_merge(array('objectclass' => $oc), $entry_attrs); + } + } + + // write data + if (!$this->_version_written) { + $this->write_version(); + } + $this->writeDN($entry->dn()); + foreach ($entry_attrs as $attr_name => $attr_values) { + $this->writeAttribute($attr_name, $attr_values); + } + $this->finishEntry(); + } + } + } + } + + /** + * Write version to LDIF + * + * If the object's version is defined, this method allows to explicitely write the version before an entry is written. + * If not called explicitely, it gets called automatically when writing the first entry. + * + * @return void + */ + public function write_version() + { + $this->_version_written = true; + if (!is_null($this->version())) { + return $this->writeLine('version: '.$this->version().PHP_EOL, 'Net_LDAP2_LDIF error: unable to write version'); + } + } + + /** + * Get or set LDIF version + * + * If called without arguments it returns the version of the LDIF file or NULL if no version has been set. + * If called with an argument it sets the LDIF version to VERSION. + * According to RFC 2849 currently the only legal value for VERSION is 1. + * + * @param int $version (optional) LDIF version to set + * + * @return int + */ + public function version($version = null) + { + if ($version !== null) { + if ($version != 1) { + $this->dropError('Net_LDAP2_LDIF error: illegal LDIF version set'); + } else { + $this->_options['version'] = $version; + } + } + return $this->_options['version']; + } + + /** + * Returns the file handle the Net_LDAP2_LDIF object reads from or writes to. + * + * You can, for example, use this to fetch the content of the LDIF file yourself + * + * @return null|resource + */ + public function &handle() + { + if (!is_resource($this->_FH)) { + $this->dropError('Net_LDAP2_LDIF error: invalid file resource'); + $null = null; + return $null; + } else { + return $this->_FH; + } + } + + /** + * Clean up + * + * This method signals that the LDIF object is no longer needed. + * You can use this to free up some memory and close the file handle. + * The file handle is only closed, if it was opened from Net_LDAP2_LDIF. + * + * @return void + */ + public function done() + { + // close FH if we opened it + if ($this->_FH_opened) { + fclose($this->handle()); + } + + // free variables + foreach (get_object_vars($this) as $name => $value) { + unset($this->$name); + } + } + + /** + * Returns last error message if error was found. + * + * Example: + * <code> + * $ldif->someAction(); + * if ($ldif->error()) { + * echo "Error: ".$ldif->error()." at input line: ".$ldif->error_lines(); + * } + * </code> + * + * @param boolean $as_string If set to true, only the message is returned + * + * @return false|Net_LDAP2_Error + */ + public function error($as_string = false) + { + if (Net_LDAP2::isError($this->_error['error'])) { + return ($as_string)? $this->_error['error']->getMessage() : $this->_error['error']; + } else { + return false; + } + } + + /** + * Returns lines that resulted in error. + * + * Perl returns an array of faulty lines in list context, + * but we always just return an int because of PHPs language. + * + * @return int + */ + public function error_lines() + { + return $this->_error['line']; + } + + /** + * Returns the current Net::LDAP::Entry object. + * + * @return Net_LDAP2_Entry|false + */ + public function current_entry() + { + return $this->parseLines($this->current_lines()); + } + + /** + * Parse LDIF lines of one entry into an Net_LDAP2_Entry object + * + * @param array $lines LDIF lines for one entry + * + * @return Net_LDAP2_Entry|false Net_LDAP2_Entry object for those lines + * @todo what about file inclusions and urls? "jpegphoto:< file:///usr/local/directory/photos/fiona.jpg" + */ + public function parseLines($lines) + { + // parse lines into an array of attributes and build the entry + $attributes = array(); + $dn = false; + foreach ($lines as $line) { + if (preg_match('/^(\w+)(:|::|:<)\s(.+)$/', $line, $matches)) { + $attr =& $matches[1]; + $delim =& $matches[2]; + $data =& $matches[3]; + + if ($delim == ':') { + // normal data + $attributes[$attr][] = $data; + } elseif ($delim == '::') { + // base64 data + $attributes[$attr][] = base64_decode($data); + } elseif ($delim == ':<') { + // file inclusion + // TODO: Is this the job of the LDAP-client or the server? + $this->dropError('File inclusions are currently not supported'); + //$attributes[$attr][] = ...; + } else { + // since the pattern above, the delimeter cannot be something else. + $this->dropError('Net_LDAP2_LDIF parsing error: invalid syntax at parsing entry line: '.$line); + continue; + } + + if (strtolower($attr) == 'dn') { + // DN line detected + $dn = $attributes[$attr][0]; // save possibly decoded DN + unset($attributes[$attr]); // remove wrongly added "dn: " attribute + } + } else { + // line not in "attr: value" format -> ignore + // maybe we should rise an error here, but this should be covered by + // next_lines() already. A problem arises, if users try to feed data of + // several entries to this method - the resulting entry will + // get wrong attributes. However, this is already mentioned in the + // methods documentation above. + } + } + + if (false === $dn) { + $this->dropError('Net_LDAP2_LDIF parsing error: unable to detect DN for entry'); + return false; + } else { + $newentry = Net_LDAP2_Entry::createFresh($dn, $attributes); + return $newentry; + } + } + + /** + * Returns the lines that generated the current Net::LDAP::Entry object. + * + * Note that this returns an empty array if no lines have been read so far. + * + * @return array Array of lines + */ + public function current_lines() + { + return $this->_lines_cur; + } + + /** + * Returns the lines that will generate the next Net::LDAP::Entry object. + * + * If you set $force to TRUE then you can iterate over the lines that build + * up entries manually. Otherwise, iterating is done using {@link read_entry()}. + * Force will move the file pointer forward, thus returning the next entries lines. + * + * Wrapped lines will be unwrapped. Comments are stripped. + * + * @param boolean $force Set this to true if you want to iterate over the lines manually + * + * @return array + */ + public function next_lines($force = false) + { + // if we already have those lines, just return them, otherwise read + if (count($this->_lines_next) == 0 || $force) { + $this->_lines_next = array(); // empty in case something was left (if used $force) + $entry_done = false; + $fh = &$this->handle(); + $commentmode = false; // if we are in an comment, for wrapping purposes + $datalines_read = 0; // how many lines with data we have read + + while (!$entry_done && !$this->eof()) { + $this->_input_line++; + // Read line. Remove line endings, we want only data; + // this is okay since ending spaces should be encoded + $data = rtrim(fgets($fh)); + if ($data === false) { + // error only, if EOF not reached after fgets() call + if (!$this->eof()) { + $this->dropError('Net_LDAP2_LDIF error: error reading from file at input line '.$this->_input_line, $this->_input_line); + } + break; + } else { + if (count($this->_lines_next) > 0 && preg_match('/^$/', $data)) { + // Entry is finished if we have an empty line after we had data + $entry_done = true; + + // Look ahead if the next EOF is nearby. Comments and empty + // lines at the file end may cause problems otherwise + $current_pos = ftell($fh); + $data = fgets($fh); + while (!feof($fh)) { + if (preg_match('/^\s*$/', $data) || preg_match('/^#/', $data)) { + // only empty lines or comments, continue to seek + // TODO: Known bug: Wrappings for comments are okay but are treaten as + // error, since we do not honor comment mode here. + // This should be a very theoretically case, however + // i am willing to fix this if really necessary. + $this->_input_line++; + $current_pos = ftell($fh); + $data = fgets($fh); + } else { + // Data found if non emtpy line and not a comment!! + // Rewind to position prior last read and stop lookahead + fseek($fh, $current_pos); + break; + } + } + // now we have either the file pointer at the beginning of + // a new data position or at the end of file causing feof() to return true + + } else { + // build lines + if (preg_match('/^version:\s(.+)$/', $data, $match)) { + // version statement, set version + $this->version($match[1]); + } elseif (preg_match('/^\w+::?\s.+$/', $data)) { + // normal attribute: add line + $commentmode = false; + $this->_lines_next[] = trim($data); + $datalines_read++; + } elseif (preg_match('/^\s(.+)$/', $data, $matches)) { + // wrapped data: unwrap if not in comment mode + if (!$commentmode) { + if ($datalines_read == 0) { + // first line of entry: wrapped data is illegal + $this->dropError('Net_LDAP2_LDIF error: illegal wrapping at input line '.$this->_input_line, $this->_input_line); + } else { + $last = array_pop($this->_lines_next); + $last = $last.trim($matches[1]); + $this->_lines_next[] = $last; + $datalines_read++; + } + } + } elseif (preg_match('/^#/', $data)) { + // LDIF comments + $commentmode = true; + } elseif (preg_match('/^\s*$/', $data)) { + // empty line but we had no data for this + // entry, so just ignore this line + $commentmode = false; + } else { + $this->dropError('Net_LDAP2_LDIF error: invalid syntax at input line '.$this->_input_line, $this->_input_line); + continue; + } + + } + } + } + } + return $this->_lines_next; + } + + /** + * Convert an attribute and value to LDIF string representation + * + * It honors correct encoding of values according to RFC 2849. + * Line wrapping will occur at the configured maximum but only if + * the value is greater than 40 chars. + * + * @param string $attr_name Name of the attribute + * @param string $attr_value Value of the attribute + * + * @access protected + * @return string LDIF string for that attribute and value + */ + protected function convertAttribute($attr_name, $attr_value) + { + // Handle empty attribute or process + if (strlen($attr_value) == 0) { + $attr_value = " "; + } else { + $base64 = false; + // ASCII-chars that are NOT safe for the + // start and for being inside the value. + // These are the int values of those chars. + $unsafe_init = array(0, 10, 13, 32, 58, 60); + $unsafe = array(0, 10, 13); + + // Test for illegal init char + $init_ord = ord(substr($attr_value, 0, 1)); + if ($init_ord > 127 || in_array($init_ord, $unsafe_init)) { + $base64 = true; + } + + // Test for illegal content char + for ($i = 0; $i < strlen($attr_value); $i++) { + $char_ord = ord(substr($attr_value, $i, 1)); + if ($char_ord > 127 || in_array($char_ord, $unsafe)) { + $base64 = true; + } + } + + // Test for ending space + if (substr($attr_value, -1) == ' ') { + $base64 = true; + } + + // If converting is needed, do it + // Either we have some special chars or a matching "raw" regex + if ($base64 || ($this->_options['raw'] && preg_match($this->_options['raw'], $attr_name))) { + $attr_name .= ':'; + $attr_value = base64_encode($attr_value); + } + + // Lowercase attr names if requested + if ($this->_options['lowercase']) $attr_name = strtolower($attr_name); + + // Handle line wrapping + if ($this->_options['wrap'] > 40 && strlen($attr_value) > $this->_options['wrap']) { + $attr_value = wordwrap($attr_value, $this->_options['wrap'], PHP_EOL." ", true); + } + } + + return $attr_name.': '.$attr_value; + } + + /** + * Convert an entries DN to LDIF string representation + * + * It honors correct encoding of values according to RFC 2849. + * + * @param string $dn UTF8-Encoded DN + * + * @access protected + * @return string LDIF string for that DN + * @todo I am not sure, if the UTF8 stuff is correctly handled right now + */ + protected function convertDN($dn) + { + $base64 = false; + // ASCII-chars that are NOT safe for the + // start and for being inside the dn. + // These are the int values of those chars. + $unsafe_init = array(0, 10, 13, 32, 58, 60); + $unsafe = array(0, 10, 13); + + // Test for illegal init char + $init_ord = ord(substr($dn, 0, 1)); + if ($init_ord >= 127 || in_array($init_ord, $unsafe_init)) { + $base64 = true; + } + + // Test for illegal content char + for ($i = 0; $i < strlen($dn); $i++) { + $char = substr($dn, $i, 1); + if (ord($char) >= 127 || in_array($init_ord, $unsafe)) { + $base64 = true; + } + } + + // Test for ending space + if (substr($dn, -1) == ' ') { + $base64 = true; + } + + // if converting is needed, do it + return ($base64)? 'dn:: '.base64_encode($dn) : 'dn: '.$dn; + } + + /** + * Writes an attribute to the filehandle + * + * @param string $attr_name Name of the attribute + * @param string|array $attr_values Single attribute value or array with attribute values + * + * @access protected + * @return void + */ + protected function writeAttribute($attr_name, $attr_values) + { + // write out attribute content + if (!is_array($attr_values)) { + $attr_values = array($attr_values); + } + foreach ($attr_values as $attr_val) { + $line = $this->convertAttribute($attr_name, $attr_val).PHP_EOL; + $this->writeLine($line, 'Net_LDAP2_LDIF error: unable to write attribute '.$attr_name.' of entry '.$this->_entrynum); + } + } + + /** + * Writes a DN to the filehandle + * + * @param string $dn DN to write + * + * @access protected + * @return void + */ + protected function writeDN($dn) + { + // prepare DN + if ($this->_options['encode'] == 'base64') { + $dn = $this->convertDN($dn).PHP_EOL; + } elseif ($this->_options['encode'] == 'canonical') { + $dn = Net_LDAP2_Util::canonical_dn($dn, array('casefold' => 'none')).PHP_EOL; + } else { + $dn = $dn.PHP_EOL; + } + $this->writeLine($dn, 'Net_LDAP2_LDIF error: unable to write DN of entry '.$this->_entrynum); + } + + /** + * Finishes an LDIF entry + * + * @access protected + * @return void + */ + protected function finishEntry() + { + $this->writeLine(PHP_EOL, 'Net_LDAP2_LDIF error: unable to close entry '.$this->_entrynum); + } + + /** + * Just write an arbitary line to the filehandle + * + * @param string $line Content to write + * @param string $error If error occurs, drop this message + * + * @access protected + * @return true|false + */ + protected function writeLine($line, $error = 'Net_LDAP2_LDIF error: unable to write to filehandle') + { + if (is_resource($this->handle()) && fwrite($this->handle(), $line, strlen($line)) === false) { + $this->dropError($error); + return false; + } else { + return true; + } + } + + /** + * Optionally raises an error and pushes the error on the error cache + * + * @param string $msg Errortext + * @param int $line Line in the LDIF that caused the error + * + * @access protected + * @return void + */ + protected function dropError($msg, $line = null) + { + $this->_error['error'] = new Net_LDAP2_Error($msg); + if ($line !== null) $this->_error['line'] = $line; + + if ($this->_options['onerror'] == 'die') { + die($msg.PHP_EOL); + } elseif ($this->_options['onerror'] == 'warn') { + echo $msg.PHP_EOL; + } + } +} +?> diff --git a/extlib/Net/LDAP2/RootDSE.php b/extlib/Net/LDAP2/RootDSE.php new file mode 100644 index 000000000..8dc81fd4f --- /dev/null +++ b/extlib/Net/LDAP2/RootDSE.php @@ -0,0 +1,240 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_RootDSE interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @copyright 2009 Jan Wagner +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: RootDSE.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; + +/** +* Getting the rootDSE entry of a LDAP server +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +*/ +class Net_LDAP2_RootDSE extends PEAR +{ + /** + * @access protected + * @var object Net_LDAP2_Entry + **/ + protected $_entry; + + /** + * Class constructor + * + * @param Net_LDAP2_Entry &$entry Net_LDAP2_Entry object of the RootDSE + */ + protected function __construct(&$entry) + { + $this->_entry = $entry; + } + + /** + * Fetches a RootDSE object from an LDAP connection + * + * @param Net_LDAP2 $ldap Directory from which the RootDSE should be fetched + * @param array $attrs Array of attributes to search for + * + * @access static + * @return Net_LDAP2_RootDSE|Net_LDAP2_Error + */ + public static function fetch($ldap, $attrs = null) + { + if (!$ldap instanceof Net_LDAP2) { + return PEAR::raiseError("Unable to fetch Schema: Parameter \$ldap must be a Net_LDAP2 object!"); + } + + if (is_array($attrs) && count($attrs) > 0 ) { + $attributes = $attrs; + } else { + $attributes = array('vendorName', + 'vendorVersion', + 'namingContexts', + 'altServer', + 'supportedExtension', + 'supportedControl', + 'supportedSASLMechanisms', + 'supportedLDAPVersion', + 'subschemaSubentry' ); + } + $result = $ldap->search('', '(objectClass=*)', array('attributes' => $attributes, 'scope' => 'base')); + if (self::isError($result)) { + return $result; + } + $entry = $result->shiftEntry(); + if (false === $entry) { + return PEAR::raiseError('Could not fetch RootDSE entry'); + } + $ret = new Net_LDAP2_RootDSE($entry); + return $ret; + } + + /** + * Gets the requested attribute value + * + * Same usuage as {@link Net_LDAP2_Entry::getValue()} + * + * @param string $attr Attribute name + * @param array $options Array of options + * + * @access public + * @return mixed Net_LDAP2_Error object or attribute values + * @see Net_LDAP2_Entry::get_value() + */ + public function getValue($attr = '', $options = '') + { + return $this->_entry->get_value($attr, $options); + } + + /** + * Alias function of getValue() for perl-ldap interface + * + * @see getValue() + * @return mixed + */ + public function get_value() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'getValue' ), $args); + } + + /** + * Determines if the extension is supported + * + * @param array $oids Array of oids to check + * + * @access public + * @return boolean + */ + public function supportedExtension($oids) + { + return $this->checkAttr($oids, 'supportedExtension'); + } + + /** + * Alias function of supportedExtension() for perl-ldap interface + * + * @see supportedExtension() + * @return boolean + */ + public function supported_extension() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'supportedExtension'), $args); + } + + /** + * Determines if the version is supported + * + * @param array $versions Versions to check + * + * @access public + * @return boolean + */ + public function supportedVersion($versions) + { + return $this->checkAttr($versions, 'supportedLDAPVersion'); + } + + /** + * Alias function of supportedVersion() for perl-ldap interface + * + * @see supportedVersion() + * @return boolean + */ + public function supported_version() + { + $args = func_get_args(); + return call_user_func_array(array(&$this, 'supportedVersion'), $args); + } + + /** + * Determines if the control is supported + * + * @param array $oids Control oids to check + * + * @access public + * @return boolean + */ + public function supportedControl($oids) + { + return $this->checkAttr($oids, 'supportedControl'); + } + + /** + * Alias function of supportedControl() for perl-ldap interface + * + * @see supportedControl() + * @return boolean + */ + public function supported_control() + { + $args = func_get_args(); + return call_user_func_array(array(&$this, 'supportedControl' ), $args); + } + + /** + * Determines if the sasl mechanism is supported + * + * @param array $mechlist SASL mechanisms to check + * + * @access public + * @return boolean + */ + public function supportedSASLMechanism($mechlist) + { + return $this->checkAttr($mechlist, 'supportedSASLMechanisms'); + } + + /** + * Alias function of supportedSASLMechanism() for perl-ldap interface + * + * @see supportedSASLMechanism() + * @return boolean + */ + public function supported_sasl_mechanism() + { + $args = func_get_args(); + return call_user_func_array(array(&$this, 'supportedSASLMechanism'), $args); + } + + /** + * Checks for existance of value in attribute + * + * @param array $values values to check + * @param string $attr attribute name + * + * @access protected + * @return boolean + */ + protected function checkAttr($values, $attr) + { + if (!is_array($values)) $values = array($values); + + foreach ($values as $value) { + if (!@in_array($value, $this->get_value($attr, 'all'))) { + return false; + } + } + return true; + } +} + +?> diff --git a/extlib/Net/LDAP2/Schema.php b/extlib/Net/LDAP2/Schema.php new file mode 100644 index 000000000..b590eabc5 --- /dev/null +++ b/extlib/Net/LDAP2/Schema.php @@ -0,0 +1,516 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_Schema interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Jan Wagner, Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: Schema.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +* @todo see the comment at the end of the file +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; + +/** +* Syntax definitions +* +* Please don't forget to add binary attributes to isBinary() below +* to support proper value fetching from Net_LDAP2_Entry +*/ +define('NET_LDAP2_SYNTAX_BOOLEAN', '1.3.6.1.4.1.1466.115.121.1.7'); +define('NET_LDAP2_SYNTAX_DIRECTORY_STRING', '1.3.6.1.4.1.1466.115.121.1.15'); +define('NET_LDAP2_SYNTAX_DISTINGUISHED_NAME', '1.3.6.1.4.1.1466.115.121.1.12'); +define('NET_LDAP2_SYNTAX_INTEGER', '1.3.6.1.4.1.1466.115.121.1.27'); +define('NET_LDAP2_SYNTAX_JPEG', '1.3.6.1.4.1.1466.115.121.1.28'); +define('NET_LDAP2_SYNTAX_NUMERIC_STRING', '1.3.6.1.4.1.1466.115.121.1.36'); +define('NET_LDAP2_SYNTAX_OID', '1.3.6.1.4.1.1466.115.121.1.38'); +define('NET_LDAP2_SYNTAX_OCTET_STRING', '1.3.6.1.4.1.1466.115.121.1.40'); + +/** +* Load an LDAP Schema and provide information +* +* This class takes a Subschema entry, parses this information +* and makes it available in an array. Most of the code has been +* inspired by perl-ldap( http://perl-ldap.sourceforge.net). +* You will find portions of their implementation in here. +* +* @category Net +* @package Net_LDAP2 +* @author Jan Wagner <wagner@netsols.de> +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +*/ +class Net_LDAP2_Schema extends PEAR +{ + /** + * Map of entry types to ldap attributes of subschema entry + * + * @access public + * @var array + */ + public $types = array( + 'attribute' => 'attributeTypes', + 'ditcontentrule' => 'dITContentRules', + 'ditstructurerule' => 'dITStructureRules', + 'matchingrule' => 'matchingRules', + 'matchingruleuse' => 'matchingRuleUse', + 'nameform' => 'nameForms', + 'objectclass' => 'objectClasses', + 'syntax' => 'ldapSyntaxes' + ); + + /** + * Array of entries belonging to this type + * + * @access protected + * @var array + */ + protected $_attributeTypes = array(); + protected $_matchingRules = array(); + protected $_matchingRuleUse = array(); + protected $_ldapSyntaxes = array(); + protected $_objectClasses = array(); + protected $_dITContentRules = array(); + protected $_dITStructureRules = array(); + protected $_nameForms = array(); + + + /** + * hash of all fetched oids + * + * @access protected + * @var array + */ + protected $_oids = array(); + + /** + * Tells if the schema is initialized + * + * @access protected + * @var boolean + * @see parse(), get() + */ + protected $_initialized = false; + + + /** + * Constructor of the class + * + * @access protected + */ + protected function __construct() + { + $this->PEAR('Net_LDAP2_Error'); // default error class + } + + /** + * Fetch the Schema from an LDAP connection + * + * @param Net_LDAP2 $ldap LDAP connection + * @param string $dn (optional) Subschema entry dn + * + * @access public + * @return Net_LDAP2_Schema|NET_LDAP2_Error + */ + public function fetch($ldap, $dn = null) + { + if (!$ldap instanceof Net_LDAP2) { + return PEAR::raiseError("Unable to fetch Schema: Parameter \$ldap must be a Net_LDAP2 object!"); + } + + $schema_o = new Net_LDAP2_Schema(); + + if (is_null($dn)) { + // get the subschema entry via root dse + $dse = $ldap->rootDSE(array('subschemaSubentry')); + if (false == Net_LDAP2::isError($dse)) { + $base = $dse->getValue('subschemaSubentry', 'single'); + if (!Net_LDAP2::isError($base)) { + $dn = $base; + } + } + } + + // Support for buggy LDAP servers (e.g. Siemens DirX 6.x) that incorrectly + // call this entry subSchemaSubentry instead of subschemaSubentry. + // Note the correct case/spelling as per RFC 2251. + if (is_null($dn)) { + // get the subschema entry via root dse + $dse = $ldap->rootDSE(array('subSchemaSubentry')); + if (false == Net_LDAP2::isError($dse)) { + $base = $dse->getValue('subSchemaSubentry', 'single'); + if (!Net_LDAP2::isError($base)) { + $dn = $base; + } + } + } + + // Final fallback case where there is no subschemaSubentry attribute + // in the root DSE (this is a bug for an LDAP v3 server so report this + // to your LDAP vendor if you get this far). + if (is_null($dn)) { + $dn = 'cn=Subschema'; + } + + // fetch the subschema entry + $result = $ldap->search($dn, '(objectClass=*)', + array('attributes' => array_values($schema_o->types), + 'scope' => 'base')); + if (Net_LDAP2::isError($result)) { + return $result; + } + + $entry = $result->shiftEntry(); + if (!$entry instanceof Net_LDAP2_Entry) { + return PEAR::raiseError('Could not fetch Subschema entry'); + } + + $schema_o->parse($entry); + return $schema_o; + } + + /** + * Return a hash of entries for the given type + * + * Returns a hash of entry for th givene type. Types may be: + * objectclasses, attributes, ditcontentrules, ditstructurerules, matchingrules, + * matchingruleuses, nameforms, syntaxes + * + * @param string $type Type to fetch + * + * @access public + * @return array|Net_LDAP2_Error Array or Net_LDAP2_Error + */ + public function &getAll($type) + { + $map = array('objectclasses' => &$this->_objectClasses, + 'attributes' => &$this->_attributeTypes, + 'ditcontentrules' => &$this->_dITContentRules, + 'ditstructurerules' => &$this->_dITStructureRules, + 'matchingrules' => &$this->_matchingRules, + 'matchingruleuses' => &$this->_matchingRuleUse, + 'nameforms' => &$this->_nameForms, + 'syntaxes' => &$this->_ldapSyntaxes ); + + $key = strtolower($type); + $ret = ((key_exists($key, $map)) ? $map[$key] : PEAR::raiseError("Unknown type $type")); + return $ret; + } + + /** + * Return a specific entry + * + * @param string $type Type of name + * @param string $name Name or OID to fetch + * + * @access public + * @return mixed Entry or Net_LDAP2_Error + */ + public function &get($type, $name) + { + if ($this->_initialized) { + $type = strtolower($type); + if (false == key_exists($type, $this->types)) { + return PEAR::raiseError("No such type $type"); + } + + $name = strtolower($name); + $type_var = &$this->{'_' . $this->types[$type]}; + + if (key_exists($name, $type_var)) { + return $type_var[$name]; + } elseif (key_exists($name, $this->_oids) && $this->_oids[$name]['type'] == $type) { + return $this->_oids[$name]; + } else { + return PEAR::raiseError("Could not find $type $name"); + } + } else { + $return = null; + return $return; + } + } + + + /** + * Fetches attributes that MAY be present in the given objectclass + * + * @param string $oc Name or OID of objectclass + * + * @access public + * @return array|Net_LDAP2_Error Array with attributes or Net_LDAP2_Error + */ + public function may($oc) + { + return $this->_getAttr($oc, 'may'); + } + + /** + * Fetches attributes that MUST be present in the given objectclass + * + * @param string $oc Name or OID of objectclass + * + * @access public + * @return array|Net_LDAP2_Error Array with attributes or Net_LDAP2_Error + */ + public function must($oc) + { + return $this->_getAttr($oc, 'must'); + } + + /** + * Fetches the given attribute from the given objectclass + * + * @param string $oc Name or OID of objectclass + * @param string $attr Name of attribute to fetch + * + * @access protected + * @return array|Net_LDAP2_Error The attribute or Net_LDAP2_Error + */ + protected function _getAttr($oc, $attr) + { + $oc = strtolower($oc); + if (key_exists($oc, $this->_objectClasses) && key_exists($attr, $this->_objectClasses[$oc])) { + return $this->_objectClasses[$oc][$attr]; + } elseif (key_exists($oc, $this->_oids) && + $this->_oids[$oc]['type'] == 'objectclass' && + key_exists($attr, $this->_oids[$oc])) { + return $this->_oids[$oc][$attr]; + } else { + return PEAR::raiseError("Could not find $attr attributes for $oc "); + } + } + + /** + * Returns the name(s) of the immediate superclass(es) + * + * @param string $oc Name or OID of objectclass + * + * @access public + * @return array|Net_LDAP2_Error Array of names or Net_LDAP2_Error + */ + public function superclass($oc) + { + $o = $this->get('objectclass', $oc); + if (Net_LDAP2::isError($o)) { + return $o; + } + return (key_exists('sup', $o) ? $o['sup'] : array()); + } + + /** + * Parses the schema of the given Subschema entry + * + * @param Net_LDAP2_Entry &$entry Subschema entry + * + * @access public + * @return void + */ + public function parse(&$entry) + { + foreach ($this->types as $type => $attr) { + // initialize map type to entry + $type_var = '_' . $attr; + $this->{$type_var} = array(); + + // get values for this type + if ($entry->exists($attr)) { + $values = $entry->getValue($attr); + if (is_array($values)) { + foreach ($values as $value) { + + unset($schema_entry); // this was a real mess without it + + // get the schema entry + $schema_entry = $this->_parse_entry($value); + + // set the type + $schema_entry['type'] = $type; + + // save a ref in $_oids + $this->_oids[$schema_entry['oid']] = &$schema_entry; + + // save refs for all names in type map + $names = $schema_entry['aliases']; + array_push($names, $schema_entry['name']); + foreach ($names as $name) { + $this->{$type_var}[strtolower($name)] = &$schema_entry; + } + } + } + } + } + $this->_initialized = true; + } + + /** + * Parses an attribute value into a schema entry + * + * @param string $value Attribute value + * + * @access protected + * @return array|false Schema entry array or false + */ + protected function &_parse_entry($value) + { + // tokens that have no value associated + $noValue = array('single-value', + 'obsolete', + 'collective', + 'no-user-modification', + 'abstract', + 'structural', + 'auxiliary'); + + // tokens that can have multiple values + $multiValue = array('must', 'may', 'sup'); + + $schema_entry = array('aliases' => array()); // initilization + + $tokens = $this->_tokenize($value); // get an array of tokens + + // remove surrounding brackets + if ($tokens[0] == '(') array_shift($tokens); + if ($tokens[count($tokens) - 1] == ')') array_pop($tokens); // -1 doesnt work on arrays :-( + + $schema_entry['oid'] = array_shift($tokens); // first token is the oid + + // cycle over the tokens until none are left + while (count($tokens) > 0) { + $token = strtolower(array_shift($tokens)); + if (in_array($token, $noValue)) { + $schema_entry[$token] = 1; // single value token + } else { + // this one follows a string or a list if it is multivalued + if (($schema_entry[$token] = array_shift($tokens)) == '(') { + // this creates the list of values and cycles through the tokens + // until the end of the list is reached ')' + $schema_entry[$token] = array(); + while ($tmp = array_shift($tokens)) { + if ($tmp == ')') break; + if ($tmp != '$') array_push($schema_entry[$token], $tmp); + } + } + // create a array if the value should be multivalued but was not + if (in_array($token, $multiValue) && !is_array($schema_entry[$token])) { + $schema_entry[$token] = array($schema_entry[$token]); + } + } + } + // get max length from syntax + if (key_exists('syntax', $schema_entry)) { + if (preg_match('/{(\d+)}/', $schema_entry['syntax'], $matches)) { + $schema_entry['max_length'] = $matches[1]; + } + } + // force a name + if (empty($schema_entry['name'])) { + $schema_entry['name'] = $schema_entry['oid']; + } + // make one name the default and put the other ones into aliases + if (is_array($schema_entry['name'])) { + $aliases = $schema_entry['name']; + $schema_entry['name'] = array_shift($aliases); + $schema_entry['aliases'] = $aliases; + } + return $schema_entry; + } + + /** + * Tokenizes the given value into an array of tokens + * + * @param string $value String to parse + * + * @access protected + * @return array Array of tokens + */ + protected function _tokenize($value) + { + $tokens = array(); // array of tokens + $matches = array(); // matches[0] full pattern match, [1,2,3] subpatterns + + // this one is taken from perl-ldap, modified for php + $pattern = "/\s* (?:([()]) | ([^'\s()]+) | '((?:[^']+|'[^\s)])*)') \s*/x"; + + /** + * This one matches one big pattern wherin only one of the three subpatterns matched + * We are interested in the subpatterns that matched. If it matched its value will be + * non-empty and so it is a token. Tokens may be round brackets, a string, or a string + * enclosed by ' + */ + preg_match_all($pattern, $value, $matches); + + for ($i = 0; $i < count($matches[0]); $i++) { // number of tokens (full pattern match) + for ($j = 1; $j < 4; $j++) { // each subpattern + if (null != trim($matches[$j][$i])) { // pattern match in this subpattern + $tokens[$i] = trim($matches[$j][$i]); // this is the token + } + } + } + return $tokens; + } + + /** + * Returns wether a attribute syntax is binary or not + * + * This method gets used by Net_LDAP2_Entry to decide which + * PHP function needs to be used to fetch the value in the + * proper format (e.g. binary or string) + * + * @param string $attribute The name of the attribute (eg.: 'sn') + * + * @access public + * @return boolean + */ + public function isBinary($attribute) + { + $return = false; // default to false + + // This list contains all syntax that should be treaten as + // containing binary values + // The Syntax Definitons go into constants at the top of this page + $syntax_binary = array( + NET_LDAP2_SYNTAX_OCTET_STRING, + NET_LDAP2_SYNTAX_JPEG + ); + + // Check Syntax + $attr_s = $this->get('attribute', $attribute); + if (Net_LDAP2::isError($attr_s)) { + // Attribute not found in schema + $return = false; // consider attr not binary + } elseif (isset($attr_s['syntax']) && in_array($attr_s['syntax'], $syntax_binary)) { + // Syntax is defined as binary in schema + $return = true; + } else { + // Syntax not defined as binary, or not found + // if attribute is a subtype, check superior attribute syntaxes + if (isset($attr_s['sup'])) { + foreach ($attr_s['sup'] as $superattr) { + $return = $this->isBinary($superattr); + if ($return) { + break; // stop checking parents since we are binary + } + } + } + } + + return $return; + } + + // [TODO] add method that allows us to see to which objectclasses a certain attribute belongs to + // it should return the result structured, e.g. sorted in "may" and "must". Optionally it should + // be able to return it just "flat", e.g. array_merge()d. + // We could use get_all() to achieve this easily, i think +} +?> diff --git a/extlib/Net/LDAP2/SchemaCache.interface.php b/extlib/Net/LDAP2/SchemaCache.interface.php new file mode 100644 index 000000000..e0c3094c4 --- /dev/null +++ b/extlib/Net/LDAP2/SchemaCache.interface.php @@ -0,0 +1,59 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_SchemaCache interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: SchemaCache.interface.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Interface describing a custom schema cache object +* +* To implement a custom schema cache, one must implement this interface and +* pass the instanciated object to Net_LDAP2s registerSchemaCache() method. +*/ +interface Net_LDAP2_SchemaCache +{ + /** + * Return the schema object from the cache + * + * Net_LDAP2 will consider anything returned invalid, except + * a valid Net_LDAP2_Schema object. + * In case you return a Net_LDAP2_Error, this error will be routed + * to the return of the $ldap->schema() call. + * If you return something else, Net_LDAP2 will + * fetch a fresh Schema object from the LDAP server. + * + * You may want to implement a cache aging mechanism here too. + * + * @return Net_LDAP2_Schema|Net_LDAP2_Error|false + */ + public function loadSchema(); + + /** + * Store a schema object in the cache + * + * This method will be called, if Net_LDAP2 has fetched a fresh + * schema object from LDAP and wants to init or refresh the cache. + * + * In case of errors you may return a Net_LDAP2_Error which will + * be routet to the client. + * Note that doing this prevents, that the schema object fetched from LDAP + * will be given back to the client, so only return errors if storing + * of the cache is something crucial (e.g. for doing something else with it). + * Normaly you dont want to give back errors in which case Net_LDAP2 needs to + * fetch the schema once per script run and instead use the error + * returned from loadSchema(). + * + * @return true|Net_LDAP2_Error + */ + public function storeSchema($schema); +} diff --git a/extlib/Net/LDAP2/Search.php b/extlib/Net/LDAP2/Search.php new file mode 100644 index 000000000..de4fde122 --- /dev/null +++ b/extlib/Net/LDAP2/Search.php @@ -0,0 +1,614 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_Search interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Tarjej Huse, Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: Search.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; + +/** +* Result set of an LDAP search +* +* @category Net +* @package Net_LDAP2 +* @author Tarjej Huse <tarjei@bergfald.no> +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +*/ +class Net_LDAP2_Search extends PEAR implements Iterator +{ + /** + * Search result identifier + * + * @access protected + * @var resource + */ + protected $_search; + + /** + * LDAP resource link + * + * @access protected + * @var resource + */ + protected $_link; + + /** + * Net_LDAP2 object + * + * A reference of the Net_LDAP2 object for passing to Net_LDAP2_Entry + * + * @access protected + * @var object Net_LDAP2 + */ + protected $_ldap; + + /** + * Result entry identifier + * + * @access protected + * @var resource + */ + protected $_entry = null; + + /** + * The errorcode the search got + * + * Some errorcodes might be of interest, but might not be best handled as errors. + * examples: 4 - LDAP_SIZELIMIT_EXCEEDED - indicates a huge search. + * Incomplete results are returned. If you just want to check if there's anything in the search. + * than this is a point to handle. + * 32 - no such object - search here returns a count of 0. + * + * @access protected + * @var int + */ + protected $_errorCode = 0; // if not set - sucess! + + /** + * Cache for all entries already fetched from iterator interface + * + * @access protected + * @var array + */ + protected $_iteratorCache = array(); + + /** + * What attributes we searched for + * + * The $attributes array contains the names of the searched attributes and gets + * passed from $Net_LDAP2->search() so the Net_LDAP2_Search object can tell + * what attributes was searched for ({@link searchedAttrs()) + * + * This variable gets set from the constructor and returned + * from {@link searchedAttrs()} + * + * @access protected + * @var array + */ + protected $_searchedAttrs = array(); + + /** + * Cache variable for storing entries fetched internally + * + * This currently is only used by {@link pop_entry()} + * + * @access protected + * @var array + */ + protected $_entry_cache = false; + + /** + * Constructor + * + * @param resource &$search Search result identifier + * @param Net_LDAP2|resource &$ldap Net_LDAP2 object or just a LDAP-Link resource + * @param array $attributes (optional) Array with searched attribute names. (see {@link $_searchedAttrs}) + * + * @access public + */ + public function __construct(&$search, &$ldap, $attributes = array()) + { + $this->PEAR('Net_LDAP2_Error'); + + $this->setSearch($search); + + if ($ldap instanceof Net_LDAP2) { + $this->_ldap =& $ldap; + $this->setLink($this->_ldap->getLink()); + } else { + $this->setLink($ldap); + } + + $this->_errorCode = @ldap_errno($this->_link); + + if (is_array($attributes) && !empty($attributes)) { + $this->_searchedAttrs = $attributes; + } + } + + /** + * Returns an array of entry objects + * + * @return array Array of entry objects. + */ + public function entries() + { + $entries = array(); + + while ($entry = $this->shiftEntry()) { + $entries[] = $entry; + } + + return $entries; + } + + /** + * Get the next entry in the searchresult. + * + * This will return a valid Net_LDAP2_Entry object or false, so + * you can use this method to easily iterate over the entries inside + * a while loop. + * + * @return Net_LDAP2_Entry|false Reference to Net_LDAP2_Entry object or false + */ + public function &shiftEntry() + { + if ($this->count() == 0 ) { + $false = false; + return $false; + } + + if (is_null($this->_entry)) { + $this->_entry = @ldap_first_entry($this->_link, $this->_search); + $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); + if ($entry instanceof Net_LDAP2_Error) $entry = false; + } else { + if (!$this->_entry = @ldap_next_entry($this->_link, $this->_entry)) { + $false = false; + return $false; + } + $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); + if ($entry instanceof Net_LDAP2_Error) $entry = false; + } + return $entry; + } + + /** + * Alias function of shiftEntry() for perl-ldap interface + * + * @see shiftEntry() + * @return Net_LDAP2_Entry|false + */ + public function shift_entry() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'shiftEntry' ), $args); + } + + /** + * Retrieve the next entry in the searchresult, but starting from last entry + * + * This is the opposite to {@link shiftEntry()} and is also very useful + * to be used inside a while loop. + * + * @return Net_LDAP2_Entry|false + */ + public function popEntry() + { + if (false === $this->_entry_cache) { + // fetch entries into cache if not done so far + $this->_entry_cache = $this->entries(); + } + + $return = array_pop($this->_entry_cache); + return (null === $return)? false : $return; + } + + /** + * Alias function of popEntry() for perl-ldap interface + * + * @see popEntry() + * @return Net_LDAP2_Entry|false + */ + public function pop_entry() + { + $args = func_get_args(); + return call_user_func_array(array( &$this, 'popEntry' ), $args); + } + + /** + * Return entries sorted as array + * + * This returns a array with sorted entries and the values. + * Sorting is done with PHPs {@link array_multisort()}. + * This method relies on {@link as_struct()} to fetch the raw data of the entries. + * + * Please note that attribute names are case sensitive! + * + * Usage example: + * <code> + * // to sort entries first by location, then by surename, but descending: + * $entries = $search->sorted_as_struct(array('locality','sn'), SORT_DESC); + * </code> + * + * @param array $attrs Array of attribute names to sort; order from left to right. + * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC + * + * @return array|Net_LDAP2_Error Array with sorted entries or error + * @todo what about server side sorting as specified in http://www.ietf.org/rfc/rfc2891.txt? + */ + public function sorted_as_struct($attrs = array('cn'), $order = SORT_ASC) + { + /* + * Old Code, suitable and fast for single valued sorting + * This code should be used if we know that single valued sorting is desired, + * but we need some method to get that knowledge... + */ + /* + $attrs = array_reverse($attrs); + foreach ($attrs as $attribute) { + if (!ldap_sort($this->_link, $this->_search, $attribute)){ + $this->raiseError("Sorting failed for Attribute " . $attribute); + } + } + + $results = ldap_get_entries($this->_link, $this->_search); + + unset($results['count']); //for tidier output + if ($order) { + return array_reverse($results); + } else { + return $results; + }*/ + + /* + * New code: complete "client side" sorting + */ + // first some parameterchecks + if (!is_array($attrs)) { + return PEAR::raiseError("Sorting failed: Parameterlist must be an array!"); + } + if ($order != SORT_ASC && $order != SORT_DESC) { + return PEAR::raiseError("Sorting failed: sorting direction not understood! (neither constant SORT_ASC nor SORT_DESC)"); + } + + // fetch the entries data + $entries = $this->as_struct(); + + // now sort each entries attribute values + // this is neccessary because later we can only sort by one value, + // so we need the highest or lowest attribute now, depending on the + // selected ordering for that specific attribute + foreach ($entries as $dn => $entry) { + foreach ($entry as $attr_name => $attr_values) { + sort($entries[$dn][$attr_name]); + if ($order == SORT_DESC) { + array_reverse($entries[$dn][$attr_name]); + } + } + } + + // reformat entrys array for later use with array_multisort() + $to_sort = array(); // <- will be a numeric array similar to ldap_get_entries + foreach ($entries as $dn => $entry_attr) { + $row = array(); + $row['dn'] = $dn; + foreach ($entry_attr as $attr_name => $attr_values) { + $row[$attr_name] = $attr_values; + } + $to_sort[] = $row; + } + + // Build columns for array_multisort() + // each requested attribute is one row + $columns = array(); + foreach ($attrs as $attr_name) { + foreach ($to_sort as $key => $row) { + $columns[$attr_name][$key] =& $to_sort[$key][$attr_name][0]; + } + } + + // sort the colums with array_multisort, if there is something + // to sort and if we have requested sort columns + if (!empty($to_sort) && !empty($columns)) { + $sort_params = ''; + foreach ($attrs as $attr_name) { + $sort_params .= '$columns[\''.$attr_name.'\'], '.$order.', '; + } + eval("array_multisort($sort_params \$to_sort);"); // perform sorting + } + + return $to_sort; + } + + /** + * Return entries sorted as objects + * + * This returns a array with sorted Net_LDAP2_Entry objects. + * The sorting is actually done with {@link sorted_as_struct()}. + * + * Please note that attribute names are case sensitive! + * Also note, that it is (depending on server capabilitys) possible to let + * the server sort your results. This happens through search controls + * and is described in detail at {@link http://www.ietf.org/rfc/rfc2891.txt} + * + * Usage example: + * <code> + * // to sort entries first by location, then by surename, but descending: + * $entries = $search->sorted(array('locality','sn'), SORT_DESC); + * </code> + * + * @param array $attrs Array of sort attributes to sort; order from left to right. + * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC + * + * @return array|Net_LDAP2_Error Array with sorted Net_LDAP2_Entries or error + * @todo Entry object construction could be faster. Maybe we could use one of the factorys instead of fetching the entry again + */ + public function sorted($attrs = array('cn'), $order = SORT_ASC) + { + $return = array(); + $sorted = $this->sorted_as_struct($attrs, $order); + if (PEAR::isError($sorted)) { + return $sorted; + } + foreach ($sorted as $key => $row) { + $entry = $this->_ldap->getEntry($row['dn'], $this->searchedAttrs()); + if (!PEAR::isError($entry)) { + array_push($return, $entry); + } else { + return $entry; + } + } + return $return; + } + + /** + * Return entries as array + * + * This method returns the entries and the selected attributes values as + * array. + * The first array level contains all found entries where the keys are the + * DNs of the entries. The second level arrays contian the entries attributes + * such that the keys is the lowercased name of the attribute and the values + * are stored in another indexed array. Note that the attribute values are stored + * in an array even if there is no or just one value. + * + * The array has the following structure: + * <code> + * $return = array( + * 'cn=foo,dc=example,dc=com' => array( + * 'sn' => array('foo'), + * 'multival' => array('val1', 'val2', 'valN') + * ) + * 'cn=bar,dc=example,dc=com' => array( + * 'sn' => array('bar'), + * 'multival' => array('val1', 'valN') + * ) + * ) + * </code> + * + * @return array associative result array as described above + */ + public function as_struct() + { + $return = array(); + $entries = $this->entries(); + foreach ($entries as $entry) { + $attrs = array(); + $entry_attributes = $entry->attributes(); + foreach ($entry_attributes as $attr_name) { + $attr_values = $entry->getValue($attr_name, 'all'); + if (!is_array($attr_values)) { + $attr_values = array($attr_values); + } + $attrs[$attr_name] = $attr_values; + } + $return[$entry->dn()] = $attrs; + } + return $return; + } + + /** + * Set the search objects resource link + * + * @param resource &$search Search result identifier + * + * @access public + * @return void + */ + public function setSearch(&$search) + { + $this->_search = $search; + } + + /** + * Set the ldap ressource link + * + * @param resource &$link Link identifier + * + * @access public + * @return void + */ + public function setLink(&$link) + { + $this->_link = $link; + } + + /** + * Returns the number of entries in the searchresult + * + * @return int Number of entries in search. + */ + public function count() + { + // this catches the situation where OL returned errno 32 = no such object! + if (!$this->_search) { + return 0; + } + return @ldap_count_entries($this->_link, $this->_search); + } + + /** + * Get the errorcode the object got in its search. + * + * @return int The ldap error number. + */ + public function getErrorCode() + { + return $this->_errorCode; + } + + /** + * Destructor + * + * @access protected + */ + public function _Net_LDAP2_Search() + { + @ldap_free_result($this->_search); + } + + /** + * Closes search result + * + * @return void + */ + public function done() + { + $this->_Net_LDAP2_Search(); + } + + /** + * Return the attribute names this search selected + * + * @return array + * @see $_searchedAttrs + * @access protected + */ + protected function searchedAttrs() + { + return $this->_searchedAttrs; + } + + /** + * Tells if this search exceeds a sizelimit + * + * @return boolean + */ + public function sizeLimitExceeded() + { + return ($this->getErrorCode() == 4); + } + + + /* + * SPL Iterator interface methods. + * This interface allows to use Net_LDAP2_Search + * objects directly inside a foreach loop! + */ + /** + * SPL Iterator interface: Return the current element. + * + * The SPL Iterator interface allows you to fetch entries inside + * a foreach() loop: <code>foreach ($search as $dn => $entry) { ...</code> + * + * Of course, you may call {@link current()}, {@link key()}, {@link next()}, + * {@link rewind()} and {@link valid()} yourself. + * + * If the search throwed an error, it returns false. + * False is also returned, if the end is reached + * In case no call to next() was made, we will issue one, + * thus returning the first entry. + * + * @return Net_LDAP2_Entry|false + */ + public function current() + { + if (count($this->_iteratorCache) == 0) { + $this->next(); + reset($this->_iteratorCache); + } + $entry = current($this->_iteratorCache); + return ($entry instanceof Net_LDAP2_Entry)? $entry : false; + } + + /** + * SPL Iterator interface: Return the identifying key (DN) of the current entry. + * + * @see current() + * @return string|false DN of the current entry; false in case no entry is returned by current() + */ + public function key() + { + $entry = $this->current(); + return ($entry instanceof Net_LDAP2_Entry)? $entry->dn() :false; + } + + /** + * SPL Iterator interface: Move forward to next entry. + * + * After a call to {@link next()}, {@link current()} will return + * the next entry in the result set. + * + * @see current() + * @return void + */ + public function next() + { + // fetch next entry. + // if we have no entrys anymore, we add false (which is + // returned by shiftEntry()) so current() will complain. + if (count($this->_iteratorCache) - 1 <= $this->count()) { + $this->_iteratorCache[] = $this->shiftEntry(); + } + + // move on array pointer to current element. + // even if we have added all entries, this will + // ensure proper operation in case we rewind() + next($this->_iteratorCache); + } + + /** + * SPL Iterator interface: Check if there is a current element after calls to {@link rewind()} or {@link next()}. + * + * Used to check if we've iterated to the end of the collection. + * + * @see current() + * @return boolean FALSE if there's nothing more to iterate over + */ + public function valid() + { + return ($this->current() instanceof Net_LDAP2_Entry); + } + + /** + * SPL Iterator interface: Rewind the Iterator to the first element. + * + * After rewinding, {@link current()} will return the first entry in the result set. + * + * @see current() + * @return void + */ + public function rewind() + { + reset($this->_iteratorCache); + } +} + +?> diff --git a/extlib/Net/LDAP2/SimpleFileSchemaCache.php b/extlib/Net/LDAP2/SimpleFileSchemaCache.php new file mode 100644 index 000000000..8019654ac --- /dev/null +++ b/extlib/Net/LDAP2/SimpleFileSchemaCache.php @@ -0,0 +1,97 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the example simple file based Schema Caching class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: SimpleFileSchemaCache.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* A simple file based schema cacher with cache aging. +* +* Once the cache is too old, the loadSchema() method will return false, so +* Net_LDAP2 will fetch a fresh object from the LDAP server that will +* overwrite the current (outdated) old cache. +*/ +class Net_LDAP2_SimpleFileSchemaCache implements Net_LDAP2_SchemaCache +{ + /** + * Internal config of this cache + * + * @see Net_LDAP2_SimpleFileSchemaCache() + * @var array + */ + protected $config = array( + 'path' => '/tmp/Net_LDAP_Schema.cache', + 'max_age' => 1200 + ); + + /** + * Initialize the simple cache + * + * Config is as following: + * path Complete path to the cache file. + * max_age Maximum age of cache in seconds, 0 means "endlessly". + * + * @param array $cfg Config array + */ + public function Net_LDAP2_SimpleFileSchemaCache($cfg) + { + foreach ($cfg as $key => $value) { + if (array_key_exists($key, $this->config)) { + if (gettype($this->config[$key]) != gettype($value)) { + $this->getCore()->dropFatalError(__CLASS__.": Could not set config! Key $key does not match type ".gettype($this->config[$key])."!"); + } + $this->config[$key] = $value; + } else { + $this->getCore()->dropFatalError(__CLASS__.": Could not set config! Key $key is not defined!"); + } + } + } + + /** + * Return the schema object from the cache + * + * If file is existent and cache has not expired yet, + * then the cache is deserialized and returned. + * + * @return Net_LDAP2_Schema|Net_LDAP2_Error|false + */ + public function loadSchema() + { + $return = false; // Net_LDAP2 will load schema from LDAP + if (file_exists($this->config['path'])) { + $cache_maxage = filemtime($this->config['path']) + $this->config['max_age']; + if (time() <= $cache_maxage || $this->config['max_age'] == 0) { + $return = unserialize(file_get_contents($this->config['path'])); + } + } + return $return; + } + + /** + * Store a schema object in the cache + * + * This method will be called, if Net_LDAP2 has fetched a fresh + * schema object from LDAP and wants to init or refresh the cache. + * + * To invalidate the cache and cause Net_LDAP2 to refresh the cache, + * you can call this method with null or false as value. + * The next call to $ldap->schema() will then refresh the caches object. + * + * @param mixed $schema The object that should be cached + * @return true|Net_LDAP2_Error|false + */ + public function storeSchema($schema) { + file_put_contents($this->config['path'], serialize($schema)); + return true; + } +} diff --git a/extlib/Net/LDAP2/Util.php b/extlib/Net/LDAP2/Util.php new file mode 100644 index 000000000..48b03f9f9 --- /dev/null +++ b/extlib/Net/LDAP2/Util.php @@ -0,0 +1,572 @@ +<?php +/* vim: set expandtab tabstop=4 shiftwidth=4: */ +/** +* File containing the Net_LDAP2_Util interface class. +* +* PHP version 5 +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @copyright 2009 Benedikt Hallinger +* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 +* @version SVN: $Id: Util.php 286718 2009-08-03 07:30:49Z beni $ +* @link http://pear.php.net/package/Net_LDAP2/ +*/ + +/** +* Includes +*/ +require_once 'PEAR.php'; + +/** +* Utility Class for Net_LDAP2 +* +* This class servers some functionality to the other classes of Net_LDAP2 but most of +* the methods can be used separately as well. +* +* @category Net +* @package Net_LDAP2 +* @author Benedikt Hallinger <beni@php.net> +* @license http://www.gnu.org/copyleft/lesser.html LGPL +* @link http://pear.php.net/package/Net_LDAP22/ +*/ +class Net_LDAP2_Util extends PEAR +{ + /** + * Constructor + * + * @access public + */ + public function __construct() + { + // We do nothing here, since all methods can be called statically. + // In Net_LDAP <= 0.7, we needed a instance of Util, because + // it was possible to do utf8 encoding and decoding, but this + // has been moved to the LDAP class. The constructor remains only + // here to document the downward compatibility of creating an instance. + } + + /** + * Explodes the given DN into its elements + * + * {@link http://www.ietf.org/rfc/rfc2253.txt RFC 2253} says, a Distinguished Name is a sequence + * of Relative Distinguished Names (RDNs), which themselves + * are sets of Attributes. For each RDN a array is constructed where the RDN part is stored. + * + * For example, the DN 'OU=Sales+CN=J. Smith,DC=example,DC=net' is exploded to: + * <kbd>array( [0] => array([0] => 'OU=Sales', [1] => 'CN=J. Smith'), [2] => 'DC=example', [3] => 'DC=net' )</kbd> + * + * [NOT IMPLEMENTED] DNs might also contain values, which are the bytes of the BER encoding of + * the X.500 AttributeValue rather than some LDAP string syntax. These values are hex-encoded + * and prefixed with a #. To distinguish such BER values, ldap_explode_dn uses references to + * the actual values, e.g. '1.3.6.1.4.1.1466.0=#04024869,DC=example,DC=com' is exploded to: + * [ { '1.3.6.1.4.1.1466.0' => "\004\002Hi" }, { 'DC' => 'example' }, { 'DC' => 'com' } ]; + * See {@link http://www.vijaymukhi.com/vmis/berldap.htm} for more information on BER. + * + * It also performs the following operations on the given DN: + * - Unescape "\" followed by ",", "+", """, "\", "<", ">", ";", "#", "=", " ", or a hexpair + * and strings beginning with "#". + * - Removes the leading 'OID.' characters if the type is an OID instead of a name. + * - If an RDN contains multiple parts, the parts are re-ordered so that the attribute type names are in alphabetical order. + * + * OPTIONS is a list of name/value pairs, valid options are: + * casefold Controls case folding of attribute types names. + * Attribute values are not affected by this option. + * The default is to uppercase. Valid values are: + * lower Lowercase attribute types names. + * upper Uppercase attribute type names. This is the default. + * none Do not change attribute type names. + * reverse If TRUE, the RDN sequence is reversed. + * onlyvalues If TRUE, then only attributes values are returned ('foo' instead of 'cn=foo') + * + + * @param string $dn The DN that should be exploded + * @param array $options Options to use + * + * @static + * @return array Parts of the exploded DN + * @todo implement BER + */ + public static function ldap_explode_dn($dn, $options = array('casefold' => 'upper')) + { + if (!isset($options['onlyvalues'])) $options['onlyvalues'] = false; + if (!isset($options['reverse'])) $options['reverse'] = false; + if (!isset($options['casefold'])) $options['casefold'] = 'upper'; + + // Escaping of DN and stripping of "OID." + $dn = self::canonical_dn($dn, array('casefold' => $options['casefold'])); + + // splitting the DN + $dn_array = preg_split('/(?<=[^\\\\]),/', $dn); + + // clear wrong splitting (possibly we have split too much) + // /!\ Not clear, if this is neccessary here + //$dn_array = self::correct_dn_splitting($dn_array, ','); + + // construct subarrays for multivalued RDNs and unescape DN value + // also convert to output format and apply casefolding + foreach ($dn_array as $key => $value) { + $value_u = self::unescape_dn_value($value); + $rdns = self::split_rdn_multival($value_u[0]); + if (count($rdns) > 1) { + // MV RDN! + foreach ($rdns as $subrdn_k => $subrdn_v) { + // Casefolding + if ($options['casefold'] == 'upper') $subrdn_v = preg_replace("/^(\w+=)/e", "''.strtoupper('\\1').''", $subrdn_v); + if ($options['casefold'] == 'lower') $subrdn_v = preg_replace("/^(\w+=)/e", "''.strtolower('\\1').''", $subrdn_v); + + if ($options['onlyvalues']) { + preg_match('/(.+?)(?<!\\\\)=(.+)/', $subrdn_v, $matches); + $rdn_ocl = $matches[1]; + $rdn_val = $matches[2]; + $unescaped = self::unescape_dn_value($rdn_val); + $rdns[$subrdn_k] = $unescaped[0]; + } else { + $unescaped = self::unescape_dn_value($subrdn_v); + $rdns[$subrdn_k] = $unescaped[0]; + } + } + + $dn_array[$key] = $rdns; + } else { + // normal RDN + + // Casefolding + if ($options['casefold'] == 'upper') $value = preg_replace("/^(\w+=)/e", "''.strtoupper('\\1').''", $value); + if ($options['casefold'] == 'lower') $value = preg_replace("/^(\w+=)/e", "''.strtolower('\\1').''", $value); + + if ($options['onlyvalues']) { + preg_match('/(.+?)(?<!\\\\)=(.+)/', $value, $matches); + $dn_ocl = $matches[1]; + $dn_val = $matches[2]; + $unescaped = self::unescape_dn_value($dn_val); + $dn_array[$key] = $unescaped[0]; + } else { + $unescaped = self::unescape_dn_value($value); + $dn_array[$key] = $unescaped[0]; + } + } + } + + if ($options['reverse']) { + return array_reverse($dn_array); + } else { + return $dn_array; + } + } + + /** + * Escapes a DN value according to RFC 2253 + * + * Escapes the given VALUES according to RFC 2253 so that they can be safely used in LDAP DNs. + * The characters ",", "+", """, "\", "<", ">", ";", "#", "=" with a special meaning in RFC 2252 + * are preceeded by ba backslash. Control characters with an ASCII code < 32 are represented as \hexpair. + * Finally all leading and trailing spaces are converted to sequences of \20. + * + * @param array $values An array containing the DN values that should be escaped + * + * @static + * @return array The array $values, but escaped + */ + public static function escape_dn_value($values = array()) + { + // Parameter validation + if (!is_array($values)) { + $values = array($values); + } + + foreach ($values as $key => $val) { + // Escaping of filter meta characters + $val = str_replace('\\', '\\\\', $val); + $val = str_replace(',', '\,', $val); + $val = str_replace('+', '\+', $val); + $val = str_replace('"', '\"', $val); + $val = str_replace('<', '\<', $val); + $val = str_replace('>', '\>', $val); + $val = str_replace(';', '\;', $val); + $val = str_replace('#', '\#', $val); + $val = str_replace('=', '\=', $val); + + // ASCII < 32 escaping + $val = self::asc2hex32($val); + + // Convert all leading and trailing spaces to sequences of \20. + if (preg_match('/^(\s*)(.+?)(\s*)$/', $val, $matches)) { + $val = $matches[2]; + for ($i = 0; $i < strlen($matches[1]); $i++) { + $val = '\20'.$val; + } + for ($i = 0; $i < strlen($matches[3]); $i++) { + $val = $val.'\20'; + } + } + + if (null === $val) $val = '\0'; // apply escaped "null" if string is empty + + $values[$key] = $val; + } + + return $values; + } + + /** + * Undoes the conversion done by escape_dn_value(). + * + * Any escape sequence starting with a baskslash - hexpair or special character - + * will be transformed back to the corresponding character. + * + * @param array $values Array of DN Values + * + * @return array Same as $values, but unescaped + * @static + */ + public static function unescape_dn_value($values = array()) + { + // Parameter validation + if (!is_array($values)) { + $values = array($values); + } + + foreach ($values as $key => $val) { + // strip slashes from special chars + $val = str_replace('\\\\', '\\', $val); + $val = str_replace('\,', ',', $val); + $val = str_replace('\+', '+', $val); + $val = str_replace('\"', '"', $val); + $val = str_replace('\<', '<', $val); + $val = str_replace('\>', '>', $val); + $val = str_replace('\;', ';', $val); + $val = str_replace('\#', '#', $val); + $val = str_replace('\=', '=', $val); + + // Translate hex code into ascii + $values[$key] = self::hex2asc($val); + } + + return $values; + } + + /** + * Returns the given DN in a canonical form + * + * Returns false if DN is not a valid Distinguished Name. + * DN can either be a string or an array + * as returned by ldap_explode_dn, which is useful when constructing a DN. + * The DN array may have be indexed (each array value is a OCL=VALUE pair) + * or associative (array key is OCL and value is VALUE). + * + * It performs the following operations on the given DN: + * - Removes the leading 'OID.' characters if the type is an OID instead of a name. + * - Escapes all RFC 2253 special characters (",", "+", """, "\", "<", ">", ";", "#", "="), slashes ("/"), and any other character where the ASCII code is < 32 as \hexpair. + * - Converts all leading and trailing spaces in values to be \20. + * - If an RDN contains multiple parts, the parts are re-ordered so that the attribute type names are in alphabetical order. + * + * OPTIONS is a list of name/value pairs, valid options are: + * casefold Controls case folding of attribute type names. + * Attribute values are not affected by this option. The default is to uppercase. + * Valid values are: + * lower Lowercase attribute type names. + * upper Uppercase attribute type names. This is the default. + * none Do not change attribute type names. + * [NOT IMPLEMENTED] mbcescape If TRUE, characters that are encoded as a multi-octet UTF-8 sequence will be escaped as \(hexpair){2,*}. + * reverse If TRUE, the RDN sequence is reversed. + * separator Separator to use between RDNs. Defaults to comma (','). + * + * Note: The empty string "" is a valid DN, so be sure not to do a "$can_dn == false" test, + * because an empty string evaluates to false. Use the "===" operator instead. + * + * @param array|string $dn The DN + * @param array $options Options to use + * + * @static + * @return false|string The canonical DN or FALSE + * @todo implement option mbcescape + */ + public static function canonical_dn($dn, $options = array('casefold' => 'upper', 'separator' => ',')) + { + if ($dn === '') return $dn; // empty DN is valid! + + // options check + if (!isset($options['reverse'])) { + $options['reverse'] = false; + } else { + $options['reverse'] = true; + } + if (!isset($options['casefold'])) $options['casefold'] = 'upper'; + if (!isset($options['separator'])) $options['separator'] = ','; + + + if (!is_array($dn)) { + // It is not clear to me if the perl implementation splits by the user defined + // separator or if it just uses this separator to construct the new DN + $dn = preg_split('/(?<=[^\\\\])'.$options['separator'].'/', $dn); + + // clear wrong splitting (possibly we have split too much) + $dn = self::correct_dn_splitting($dn, $options['separator']); + } else { + // Is array, check, if the array is indexed or associative + $assoc = false; + foreach ($dn as $dn_key => $dn_part) { + if (!is_int($dn_key)) { + $assoc = true; + } + } + // convert to indexed, if associative array detected + if ($assoc) { + $newdn = array(); + foreach ($dn as $dn_key => $dn_part) { + if (is_array($dn_part)) { + ksort($dn_part, SORT_STRING); // we assume here, that the rdn parts are also associative + $newdn[] = $dn_part; // copy array as-is, so we can resolve it later + } else { + $newdn[] = $dn_key.'='.$dn_part; + } + } + $dn =& $newdn; + } + } + + // Escaping and casefolding + foreach ($dn as $pos => $dnval) { + if (is_array($dnval)) { + // subarray detected, this means very surely, that we had + // a multivalued dn part, which must be resolved + $dnval_new = ''; + foreach ($dnval as $subkey => $subval) { + // build RDN part + if (!is_int($subkey)) { + $subval = $subkey.'='.$subval; + } + $subval_processed = self::canonical_dn($subval); + if (false === $subval_processed) return false; + $dnval_new .= $subval_processed.'+'; + } + $dn[$pos] = substr($dnval_new, 0, -1); // store RDN part, strip last plus + } else { + // try to split multivalued RDNS into array + $rdns = self::split_rdn_multival($dnval); + if (count($rdns) > 1) { + // Multivalued RDN was detected! + // The RDN value is expected to be correctly split by split_rdn_multival(). + // It's time to sort the RDN and build the DN! + $rdn_string = ''; + sort($rdns, SORT_STRING); // Sort RDN keys alphabetically + foreach ($rdns as $rdn) { + $subval_processed = self::canonical_dn($rdn); + if (false === $subval_processed) return false; + $rdn_string .= $subval_processed.'+'; + } + + $dn[$pos] = substr($rdn_string, 0, -1); // store RDN part, strip last plus + + } else { + // no multivalued RDN! + // split at first unescaped "=" + $dn_comp = preg_split('/(?<=[^\\\\])=/', $rdns[0], 2); + $ocl = ltrim($dn_comp[0]); // trim left whitespaces 'cause of "cn=foo, l=bar" syntax (whitespace after comma) + $val = $dn_comp[1]; + + // strip 'OID.', otherwise apply casefolding and escaping + if (substr(strtolower($ocl), 0, 4) == 'oid.') { + $ocl = substr($ocl, 4); + } else { + if ($options['casefold'] == 'upper') $ocl = strtoupper($ocl); + if ($options['casefold'] == 'lower') $ocl = strtolower($ocl); + $ocl = self::escape_dn_value(array($ocl)); + $ocl = $ocl[0]; + } + + // escaping of dn-value + $val = self::escape_dn_value(array($val)); + $val = str_replace('/', '\/', $val[0]); + + $dn[$pos] = $ocl.'='.$val; + } + } + } + + if ($options['reverse']) $dn = array_reverse($dn); + return implode($options['separator'], $dn); + } + + /** + * Escapes the given VALUES according to RFC 2254 so that they can be safely used in LDAP filters. + * + * Any control characters with an ACII code < 32 as well as the characters with special meaning in + * LDAP filters "*", "(", ")", and "\" (the backslash) are converted into the representation of a + * backslash followed by two hex digits representing the hexadecimal value of the character. + * + * @param array $values Array of values to escape + * + * @static + * @return array Array $values, but escaped + */ + public static function escape_filter_value($values = array()) + { + // Parameter validation + if (!is_array($values)) { + $values = array($values); + } + + foreach ($values as $key => $val) { + // Escaping of filter meta characters + $val = str_replace('\\', '\5c', $val); + $val = str_replace('*', '\2a', $val); + $val = str_replace('(', '\28', $val); + $val = str_replace(')', '\29', $val); + + // ASCII < 32 escaping + $val = self::asc2hex32($val); + + if (null === $val) $val = '\0'; // apply escaped "null" if string is empty + + $values[$key] = $val; + } + + return $values; + } + + /** + * Undoes the conversion done by {@link escape_filter_value()}. + * + * Converts any sequences of a backslash followed by two hex digits into the corresponding character. + * + * @param array $values Array of values to escape + * + * @static + * @return array Array $values, but unescaped + */ + public static function unescape_filter_value($values = array()) + { + // Parameter validation + if (!is_array($values)) { + $values = array($values); + } + + foreach ($values as $key => $value) { + // Translate hex code into ascii + $values[$key] = self::hex2asc($value); + } + + return $values; + } + + /** + * Converts all ASCII chars < 32 to "\HEX" + * + * @param string $string String to convert + * + * @static + * @return string + */ + public static function asc2hex32($string) + { + for ($i = 0; $i < strlen($string); $i++) { + $char = substr($string, $i, 1); + if (ord($char) < 32) { + $hex = dechex(ord($char)); + if (strlen($hex) == 1) $hex = '0'.$hex; + $string = str_replace($char, '\\'.$hex, $string); + } + } + return $string; + } + + /** + * Converts all Hex expressions ("\HEX") to their original ASCII characters + * + * @param string $string String to convert + * + * @static + * @author beni@php.net, heavily based on work from DavidSmith@byu.net + * @return string + */ + public static function hex2asc($string) + { + $string = preg_replace("/\\\([0-9A-Fa-f]{2})/e", "''.chr(hexdec('\\1')).''", $string); + return $string; + } + + /** + * Split an multivalued RDN value into an Array + * + * A RDN can contain multiple values, spearated by a plus sign. + * This function returns each separate ocl=value pair of the RDN part. + * + * If no multivalued RDN is detected, an array containing only + * the original rdn part is returned. + * + * For example, the multivalued RDN 'OU=Sales+CN=J. Smith' is exploded to: + * <kbd>array([0] => 'OU=Sales', [1] => 'CN=J. Smith')</kbd> + * + * The method trys to be smart if it encounters unescaped "+" characters, but may fail, + * so ensure escaped "+"es in attr names and attr values. + * + * [BUG] If you have a multivalued RDN with unescaped plus characters + * and there is a unescaped plus sign at the end of an value followed by an + * attribute name containing an unescaped plus, then you will get wrong splitting: + * $rdn = 'OU=Sales+C+N=J. Smith'; + * returns: + * array('OU=Sales+C', 'N=J. Smith'); + * The "C+" is treaten as value of the first pair instead as attr name of the second pair. + * To prevent this, escape correctly. + * + * @param string $rdn Part of an (multivalued) escaped RDN (eg. ou=foo OR ou=foo+cn=bar) + * + * @static + * @return array Array with the components of the multivalued RDN or Error + */ + public static function split_rdn_multival($rdn) + { + $rdns = preg_split('/(?<!\\\\)\+/', $rdn); + $rdns = self::correct_dn_splitting($rdns, '+'); + return array_values($rdns); + } + + /** + * Splits a attribute=value syntax into an array + * + * The split will occur at the first unescaped '=' character. + * + * @param string $attr Attribute and Value Syntax + * + * @return array Indexed array: 0=attribute name, 1=attribute value + */ + public static function split_attribute_string($attr) + { + return preg_split('/(?<!\\\\)=/', $attr, 2); + } + + /** + * Corrects splitting of dn parts + * + * @param array $dn Raw DN array + * @param array $separator Separator that was used when splitting + * + * @return array Corrected array + * @access protected + */ + protected static function correct_dn_splitting($dn = array(), $separator = ',') + { + foreach ($dn as $key => $dn_value) { + $dn_value = $dn[$key]; // refresh value (foreach caches!) + // if the dn_value is not in attr=value format, then we had an + // unescaped separator character inside the attr name or the value. + // We assume, that it was the attribute value. + // [TODO] To solve this, we might ask the schema. Keep in mind, that UTIL class + // must remain independent from the other classes or connections. + if (!preg_match('/.+(?<!\\\\)=.+/', $dn_value)) { + unset($dn[$key]); + if (array_key_exists($key-1, $dn)) { + $dn[$key-1] = $dn[$key-1].$separator.$dn_value; // append to previous attr value + } else { + $dn[$key+1] = $dn_value.$separator.$dn[$key+1]; // first element: prepend to next attr name + } + } + } + return array_values($dn); + } +} + +?> diff --git a/extlib/Net/URL2.php b/extlib/Net/URL2.php index 7a654aed8..f7fbcd9ce 100644 --- a/extlib/Net/URL2.php +++ b/extlib/Net/URL2.php @@ -1,44 +1,58 @@ <?php -// +-----------------------------------------------------------------------+ -// | Copyright (c) 2007-2008, Christian Schmidt, Peytz & Co. A/S | -// | All rights reserved. | -// | | -// | Redistribution and use in source and binary forms, with or without | -// | modification, are permitted provided that the following conditions | -// | are met: | -// | | -// | o Redistributions of source code must retain the above copyright | -// | notice, this list of conditions and the following disclaimer. | -// | o Redistributions in binary form must reproduce the above copyright | -// | notice, this list of conditions and the following disclaimer in the | -// | documentation and/or other materials provided with the distribution.| -// | o The names of the authors may not be used to endorse or promote | -// | products derived from this software without specific prior written | -// | permission. | -// | | -// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | -// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | -// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | -// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | -// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | -// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | -// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | -// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | -// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | -// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | -// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | -// | | -// +-----------------------------------------------------------------------+ -// | Author: Christian Schmidt <schmidt at php dot net> | -// +-----------------------------------------------------------------------+ -// -// $Id: URL2.php,v 1.10 2008/04/26 21:57:08 schmidt Exp $ -// -// Net_URL2 Class (PHP5 Only) - -// This code is released under the BSD License - http://www.opensource.org/licenses/bsd-license.php /** - * @license BSD License + * Net_URL2, a class representing a URL as per RFC 3986. + * + * PHP version 5 + * + * LICENSE: + * + * Copyright (c) 2007-2009, Peytz & Co. A/S + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * * Neither the name of the PHP_LexerGenerator nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * @category Networking + * @package Net_URL2 + * @author Christian Schmidt <chsc@peytz.dk> + * @copyright 2007-2008 Peytz & Co. A/S + * @license http://www.opensource.org/licenses/bsd-license.php New BSD License + * @version CVS: $Id: URL2.php 286661 2009-08-02 12:50:54Z schmidt $ + * @link http://www.rfc-editor.org/rfc/rfc3986.txt + */ + +/** + * Represents a URL as per RFC 3986. + * + * @category Networking + * @package Net_URL2 + * @author Christian Schmidt <chsc@peytz.dk> + * @copyright 2007-2008 Peytz & Co. ApS + * @license http://www.opensource.org/licenses/bsd-license.php New BSD License + * @version Release: @package_version@ + * @link http://pear.php.net/package/Net_URL2 */ class Net_URL2 { @@ -46,24 +60,24 @@ class Net_URL2 * Do strict parsing in resolve() (see RFC 3986, section 5.2.2). Default * is true. */ - const OPTION_STRICT = 'strict'; + const OPTION_STRICT = 'strict'; /** * Represent arrays in query using PHP's [] notation. Default is true. */ - const OPTION_USE_BRACKETS = 'use_brackets'; + const OPTION_USE_BRACKETS = 'use_brackets'; /** * URL-encode query variable keys. Default is true. */ - const OPTION_ENCODE_KEYS = 'encode_keys'; + const OPTION_ENCODE_KEYS = 'encode_keys'; /** * Query variable separators when parsing the query string. Every character * is considered a separator. Default is specified by the * arg_separator.input php.ini setting (this defaults to "&"). */ - const OPTION_SEPARATOR_INPUT = 'input_separator'; + const OPTION_SEPARATOR_INPUT = 'input_separator'; /** * Query variable separator used when generating the query string. Default @@ -75,7 +89,7 @@ class Net_URL2 /** * Default options corresponds to how PHP handles $_GET. */ - private $options = array( + private $_options = array( self::OPTION_STRICT => true, self::OPTION_USE_BRACKETS => true, self::OPTION_ENCODE_KEYS => true, @@ -86,41 +100,43 @@ class Net_URL2 /** * @var string|bool */ - private $scheme = false; + private $_scheme = false; /** * @var string|bool */ - private $userinfo = false; + private $_userinfo = false; /** * @var string|bool */ - private $host = false; + private $_host = false; /** * @var int|bool */ - private $port = false; + private $_port = false; /** * @var string */ - private $path = ''; + private $_path = ''; /** * @var string|bool */ - private $query = false; + private $_query = false; /** * @var string|bool */ - private $fragment = false; + private $_fragment = false; /** + * Constructor. + * * @param string $url an absolute or relative URL - * @param array $options + * @param array $options an array of OPTION_xxx constants */ public function __construct($url, $options = null) { @@ -130,12 +146,12 @@ class Net_URL2 ini_get('arg_separator.output')); if (is_array($options)) { foreach ($options as $optionName => $value) { - $this->setOption($optionName); + $this->setOption($optionName, $value); } } if (preg_match('@^([a-z][a-z0-9.+-]*):@i', $url, $reg)) { - $this->scheme = $reg[1]; + $this->_scheme = $reg[1]; $url = substr($url, strlen($reg[0])); } @@ -145,20 +161,59 @@ class Net_URL2 } $i = strcspn($url, '?#'); - $this->path = substr($url, 0, $i); + $this->_path = substr($url, 0, $i); $url = substr($url, $i); if (preg_match('@^\?([^#]*)@', $url, $reg)) { - $this->query = $reg[1]; + $this->_query = $reg[1]; $url = substr($url, strlen($reg[0])); } if ($url) { - $this->fragment = substr($url, 1); + $this->_fragment = substr($url, 1); } } /** + * Magic Setter. + * + * This method will magically set the value of a private variable ($var) + * with the value passed as the args + * + * @param string $var The private variable to set. + * @param mixed $arg An argument of any type. + * @return void + */ + public function __set($var, $arg) + { + $method = 'set' . $var; + if (method_exists($this, $method)) { + $this->$method($arg); + } + } + + /** + * Magic Getter. + * + * This is the magic get method to retrieve the private variable + * that was set by either __set() or it's setter... + * + * @param string $var The property name to retrieve. + * @return mixed $this->$var Either a boolean false if the + * property is not set or the value + * of the private property. + */ + public function __get($var) + { + $method = 'get' . $var; + if (method_exists($this, $method)) { + return $this->$method(); + } + + return false; + } + + /** * Returns the scheme, e.g. "http" or "urn", or false if there is no * scheme specified, i.e. if this is a relative URL. * @@ -166,18 +221,23 @@ class Net_URL2 */ public function getScheme() { - return $this->scheme; + return $this->_scheme; } /** - * @param string|bool $scheme + * Sets the scheme, e.g. "http" or "urn". Specify false if there is no + * scheme specified, i.e. if this is a relative URL. + * + * @param string|bool $scheme e.g. "http" or "urn", or false if there is no + * scheme specified, i.e. if this is a relative + * URL * * @return void * @see getScheme() */ public function setScheme($scheme) { - $this->scheme = $scheme; + $this->_scheme = $scheme; } /** @@ -188,7 +248,9 @@ class Net_URL2 */ public function getUser() { - return $this->userinfo !== false ? preg_replace('@:.*$@', '', $this->userinfo) : false; + return $this->_userinfo !== false + ? preg_replace('@:.*$@', '', $this->_userinfo) + : false; } /** @@ -201,7 +263,9 @@ class Net_URL2 */ public function getPassword() { - return $this->userinfo !== false ? substr(strstr($this->userinfo, ':'), 1) : false; + return $this->_userinfo !== false + ? substr(strstr($this->_userinfo, ':'), 1) + : false; } /** @@ -212,7 +276,7 @@ class Net_URL2 */ public function getUserinfo() { - return $this->userinfo; + return $this->_userinfo; } /** @@ -220,15 +284,15 @@ class Net_URL2 * in the userinfo part as username ":" password. * * @param string|bool $userinfo userinfo or username - * @param string|bool $password + * @param string|bool $password optional password, or false * * @return void */ public function setUserinfo($userinfo, $password = false) { - $this->userinfo = $userinfo; + $this->_userinfo = $userinfo; if ($password !== false) { - $this->userinfo .= ':' . $password; + $this->_userinfo .= ':' . $password; } } @@ -236,21 +300,24 @@ class Net_URL2 * Returns the host part, or false if there is no authority part, e.g. * relative URLs. * - * @return string|bool + * @return string|bool a hostname, an IP address, or false */ public function getHost() { - return $this->host; + return $this->_host; } /** - * @param string|bool $host + * Sets the host part. Specify false if there is no authority part, e.g. + * relative URLs. + * + * @param string|bool $host a hostname, an IP address, or false * * @return void */ public function setHost($host) { - $this->host = $host; + $this->_host = $host; } /** @@ -261,65 +328,72 @@ class Net_URL2 */ public function getPort() { - return $this->port; + return $this->_port; } /** - * @param int|bool $port + * Sets the port number. Specify false if there is no port number specified, + * i.e. if the default port is to be used. + * + * @param int|bool $port a port number, or false * * @return void */ public function setPort($port) { - $this->port = intval($port); + $this->_port = intval($port); } /** * Returns the authority part, i.e. [ userinfo "@" ] host [ ":" port ], or - * false if there is no authority none. + * false if there is no authority. * * @return string|bool */ public function getAuthority() { - if (!$this->host) { + if (!$this->_host) { return false; } $authority = ''; - if ($this->userinfo !== false) { - $authority .= $this->userinfo . '@'; + if ($this->_userinfo !== false) { + $authority .= $this->_userinfo . '@'; } - $authority .= $this->host; + $authority .= $this->_host; - if ($this->port !== false) { - $authority .= ':' . $this->port; + if ($this->_port !== false) { + $authority .= ':' . $this->_port; } return $authority; } /** - * @param string|false $authority + * Sets the authority part, i.e. [ userinfo "@" ] host [ ":" port ]. Specify + * false if there is no authority. + * + * @param string|false $authority a hostname or an IP addresse, possibly + * with userinfo prefixed and port number + * appended, e.g. "foo:bar@example.org:81". * * @return void */ public function setAuthority($authority) { - $this->user = false; - $this->pass = false; - $this->host = false; - $this->port = false; - if (preg_match('@^(([^\@]+)\@)?([^:]+)(:(\d*))?$@', $authority, $reg)) { + $this->_userinfo = false; + $this->_host = false; + $this->_port = false; + if (preg_match('@^(([^\@]*)\@)?([^:]+)(:(\d*))?$@', $authority, $reg)) { if ($reg[1]) { - $this->userinfo = $reg[2]; + $this->_userinfo = $reg[2]; } - $this->host = $reg[3]; + $this->_host = $reg[3]; if (isset($reg[5])) { - $this->port = intval($reg[5]); + $this->_port = intval($reg[5]); } } } @@ -331,65 +405,74 @@ class Net_URL2 */ public function getPath() { - return $this->path; + return $this->_path; } /** - * @param string $path + * Sets the path part (possibly an empty string). + * + * @param string $path a path * * @return void */ public function setPath($path) { - $this->path = $path; + $this->_path = $path; } /** * Returns the query string (excluding the leading "?"), or false if "?" - * isn't present in the URL. + * is not present in the URL. * * @return string|bool * @see self::getQueryVariables() */ public function getQuery() { - return $this->query; + return $this->_query; } /** - * @param string|bool $query + * Sets the query string (excluding the leading "?"). Specify false if "?" + * is not present in the URL. + * + * @param string|bool $query a query string, e.g. "foo=1&bar=2" * * @return void * @see self::setQueryVariables() */ public function setQuery($query) { - $this->query = $query; + $this->_query = $query; } /** - * Returns the fragment name, or false if "#" isn't present in the URL. + * Returns the fragment name, or false if "#" is not present in the URL. * * @return string|bool */ public function getFragment() { - return $this->fragment; + return $this->_fragment; } /** - * @param string|bool $fragment + * Sets the fragment name. Specify false if "#" is not present in the URL. + * + * @param string|bool $fragment a fragment excluding the leading "#", or + * false * * @return void */ public function setFragment($fragment) { - $this->fragment = $fragment; + $this->_fragment = $fragment; } /** * Returns the query string like an array as the variables would appear in - * $_GET in a PHP script. + * $_GET in a PHP script. If the URL does not contain a "?", an empty array + * is returned. * * @return array */ @@ -398,7 +481,7 @@ class Net_URL2 $pattern = '/[' . preg_quote($this->getOption(self::OPTION_SEPARATOR_INPUT), '/') . ']/'; - $parts = preg_split($pattern, $this->query, -1, PREG_SPLIT_NO_EMPTY); + $parts = preg_split($pattern, $this->_query, -1, PREG_SPLIT_NO_EMPTY); $return = array(); foreach ($parts as $part) { @@ -445,6 +528,8 @@ class Net_URL2 } /** + * Sets the query string to the specified variable in the query string. + * * @param array $array (name => value) array * * @return void @@ -452,11 +537,11 @@ class Net_URL2 public function setQueryVariables(array $array) { if (!$array) { - $this->query = false; + $this->_query = false; } else { foreach ($array as $name => $value) { if ($this->getOption(self::OPTION_ENCODE_KEYS)) { - $name = rawurlencode($name); + $name = self::urlencode($name); } if (is_array($value)) { @@ -466,19 +551,21 @@ class Net_URL2 : ($name . '=' . $v); } } elseif (!is_null($value)) { - $parts[] = $name . '=' . $value; + $parts[] = $name . '=' . self::urlencode($value); } else { $parts[] = $name; } } - $this->query = implode($this->getOption(self::OPTION_SEPARATOR_OUTPUT), - $parts); + $this->_query = implode($this->getOption(self::OPTION_SEPARATOR_OUTPUT), + $parts); } } /** - * @param string $name - * @param mixed $value + * Sets the specified variable in the query string. + * + * @param string $name variable name + * @param mixed $value variable value * * @return array */ @@ -490,7 +577,9 @@ class Net_URL2 } /** - * @param string $name + * Removes the specifed variable from the query string. + * + * @param string $name a query string variable, e.g. "foo" in "?foo=1" * * @return void */ @@ -511,27 +600,38 @@ class Net_URL2 // See RFC 3986, section 5.3 $url = ""; - if ($this->scheme !== false) { - $url .= $this->scheme . ':'; + if ($this->_scheme !== false) { + $url .= $this->_scheme . ':'; } $authority = $this->getAuthority(); if ($authority !== false) { $url .= '//' . $authority; } - $url .= $this->path; + $url .= $this->_path; - if ($this->query !== false) { - $url .= '?' . $this->query; + if ($this->_query !== false) { + $url .= '?' . $this->_query; } - if ($this->fragment !== false) { - $url .= '#' . $this->fragment; + if ($this->_fragment !== false) { + $url .= '#' . $this->_fragment; } return $url; } + /** + * Returns a string representation of this URL. + * + * @return string + * @see toString() + */ + public function __toString() + { + return $this->getURL(); + } + /** * Returns a normalized string representation of this URL. This is useful * for comparison of URLs. @@ -555,36 +655,38 @@ class Net_URL2 // See RFC 3886, section 6 // Schemes are case-insensitive - if ($this->scheme) { - $this->scheme = strtolower($this->scheme); + if ($this->_scheme) { + $this->_scheme = strtolower($this->_scheme); } // Hostnames are case-insensitive - if ($this->host) { - $this->host = strtolower($this->host); + if ($this->_host) { + $this->_host = strtolower($this->_host); } // Remove default port number for known schemes (RFC 3986, section 6.2.3) - if ($this->port && - $this->scheme && - $this->port == getservbyname($this->scheme, 'tcp')) { + if ($this->_port && + $this->_scheme && + $this->_port == getservbyname($this->_scheme, 'tcp')) { - $this->port = false; + $this->_port = false; } // Normalize case of %XX percentage-encodings (RFC 3986, section 6.2.2.1) - foreach (array('userinfo', 'host', 'path') as $part) { + foreach (array('_userinfo', '_host', '_path') as $part) { if ($this->$part) { - $this->$part = preg_replace('/%[0-9a-f]{2}/ie', 'strtoupper("\0")', $this->$part); + $this->$part = preg_replace('/%[0-9a-f]{2}/ie', + 'strtoupper("\0")', + $this->$part); } } // Path segment normalization (RFC 3986, section 6.2.2.3) - $this->path = self::removeDotSegments($this->path); + $this->_path = self::removeDotSegments($this->_path); // Scheme based normalization (RFC 3986, section 6.2.3) - if ($this->host && !$this->path) { - $this->path = '/'; + if ($this->_host && !$this->_path) { + $this->_path = '/'; } } @@ -595,7 +697,7 @@ class Net_URL2 */ public function isAbsolute() { - return (bool) $this->scheme; + return (bool) $this->_scheme; } /** @@ -608,7 +710,7 @@ class Net_URL2 */ public function resolve($reference) { - if (is_string($reference)) { + if (!$reference instanceof Net_URL2) { $reference = new self($reference); } if (!$this->isAbsolute()) { @@ -617,54 +719,54 @@ class Net_URL2 // A non-strict parser may ignore a scheme in the reference if it is // identical to the base URI's scheme. - if (!$this->getOption(self::OPTION_STRICT) && $reference->scheme == $this->scheme) { - $reference->scheme = false; + if (!$this->getOption(self::OPTION_STRICT) && $reference->_scheme == $this->_scheme) { + $reference->_scheme = false; } $target = new self(''); - if ($reference->scheme !== false) { - $target->scheme = $reference->scheme; + if ($reference->_scheme !== false) { + $target->_scheme = $reference->_scheme; $target->setAuthority($reference->getAuthority()); - $target->path = self::removeDotSegments($reference->path); - $target->query = $reference->query; + $target->_path = self::removeDotSegments($reference->_path); + $target->_query = $reference->_query; } else { $authority = $reference->getAuthority(); if ($authority !== false) { $target->setAuthority($authority); - $target->path = self::removeDotSegments($reference->path); - $target->query = $reference->query; + $target->_path = self::removeDotSegments($reference->_path); + $target->_query = $reference->_query; } else { - if ($reference->path == '') { - $target->path = $this->path; - if ($reference->query !== false) { - $target->query = $reference->query; + if ($reference->_path == '') { + $target->_path = $this->_path; + if ($reference->_query !== false) { + $target->_query = $reference->_query; } else { - $target->query = $this->query; + $target->_query = $this->_query; } } else { - if (substr($reference->path, 0, 1) == '/') { - $target->path = self::removeDotSegments($reference->path); + if (substr($reference->_path, 0, 1) == '/') { + $target->_path = self::removeDotSegments($reference->_path); } else { // Merge paths (RFC 3986, section 5.2.3) - if ($this->host !== false && $this->path == '') { - $target->path = '/' . $this->path; + if ($this->_host !== false && $this->_path == '') { + $target->_path = '/' . $this->_path; } else { - $i = strrpos($this->path, '/'); + $i = strrpos($this->_path, '/'); if ($i !== false) { - $target->path = substr($this->path, 0, $i + 1); + $target->_path = substr($this->_path, 0, $i + 1); } - $target->path .= $reference->path; + $target->_path .= $reference->_path; } - $target->path = self::removeDotSegments($target->path); + $target->_path = self::removeDotSegments($target->_path); } - $target->query = $reference->query; + $target->_query = $reference->_query; } $target->setAuthority($this->getAuthority()); } - $target->scheme = $this->scheme; + $target->_scheme = $this->_scheme; } - $target->fragment = $reference->fragment; + $target->_fragment = $reference->_fragment; return $target; } @@ -677,7 +779,7 @@ class Net_URL2 * * @return string a path */ - private static function removeDotSegments($path) + public static function removeDotSegments($path) { $output = ''; @@ -685,28 +787,25 @@ class Net_URL2 // method $j = 0; while ($path && $j++ < 100) { - // Step A if (substr($path, 0, 2) == './') { + // Step 2.A $path = substr($path, 2); } elseif (substr($path, 0, 3) == '../') { + // Step 2.A $path = substr($path, 3); - - // Step B } elseif (substr($path, 0, 3) == '/./' || $path == '/.') { + // Step 2.B $path = '/' . substr($path, 3); - - // Step C } elseif (substr($path, 0, 4) == '/../' || $path == '/..') { - $path = '/' . substr($path, 4); - $i = strrpos($output, '/'); + // Step 2.C + $path = '/' . substr($path, 4); + $i = strrpos($output, '/'); $output = $i === false ? '' : substr($output, 0, $i); - - // Step D } elseif ($path == '.' || $path == '..') { + // Step 2.D $path = ''; - - // Step E } else { + // Step 2.E $i = strpos($path, '/'); if ($i === 0) { $i = strpos($path, '/', 1); @@ -723,6 +822,22 @@ class Net_URL2 } /** + * Percent-encodes all non-alphanumeric characters except these: _ . - ~ + * Similar to PHP's rawurlencode(), except that it also encodes ~ in PHP + * 5.2.x and earlier. + * + * @param $raw the string to encode + * @return string + */ + public static function urlencode($string) + { + $encoded = rawurlencode($string); + // This is only necessary in PHP < 5.3. + $encoded = str_replace('%7E', '~', $encoded); + return $encoded; + } + + /** * Returns a Net_URL2 instance representing the canonical URL of the * currently executing PHP script. * @@ -737,13 +852,13 @@ class Net_URL2 // Begin with a relative URL $url = new self($_SERVER['PHP_SELF']); - $url->scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http'; - $url->host = $_SERVER['SERVER_NAME']; + $url->_scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http'; + $url->_host = $_SERVER['SERVER_NAME']; $port = intval($_SERVER['SERVER_PORT']); - if ($url->scheme == 'http' && $port != 80 || - $url->scheme == 'https' && $port != 443) { + if ($url->_scheme == 'http' && $port != 80 || + $url->_scheme == 'https' && $port != 443) { - $url->port = $port; + $url->_port = $port; } return $url; } @@ -773,7 +888,7 @@ class Net_URL2 // Begin with a relative URL $url = new self($_SERVER['REQUEST_URI']); - $url->scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http'; + $url->_scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http'; // Set host and possibly port $url->setAuthority($_SERVER['HTTP_HOST']); return $url; @@ -792,10 +907,10 @@ class Net_URL2 */ function setOption($optionName, $value) { - if (!array_key_exists($optionName, $this->options)) { + if (!array_key_exists($optionName, $this->_options)) { return false; } - $this->options[$optionName] = $value; + $this->_options[$optionName] = $value; } /** @@ -807,7 +922,7 @@ class Net_URL2 */ function getOption($optionName) { - return isset($this->options[$optionName]) - ? $this->options[$optionName] : false; + return isset($this->_options[$optionName]) + ? $this->_options[$optionName] : false; } } |