diff options
Diffstat (limited to 'extlib/HTTP')
| -rw-r--r-- | extlib/HTTP/Request.php | 1521 | ||||
| -rw-r--r-- | extlib/HTTP/Request/Listener.php | 106 |
2 files changed, 1627 insertions, 0 deletions
diff --git a/extlib/HTTP/Request.php b/extlib/HTTP/Request.php new file mode 100644 index 000000000..42eac3b14 --- /dev/null +++ b/extlib/HTTP/Request.php @@ -0,0 +1,1521 @@ +<?php
+/**
+ * Class for performing HTTP requests
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2002-2007, Richard Heyes
+ * 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.
+ *
+ * @category HTTP
+ * @package HTTP_Request
+ * @author Richard Heyes <richard@phpguru.org>
+ * @author Alexey Borzov <avb@php.net>
+ * @copyright 2002-2007 Richard Heyes
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Request.php,v 1.63 2008/10/11 11:07:10 avb Exp $
+ * @link http://pear.php.net/package/HTTP_Request/
+ */
+
+/**
+ * PEAR and PEAR_Error classes (for error handling)
+ */
+require_once 'PEAR.php';
+/**
+ * Socket class
+ */
+require_once 'Net/Socket.php';
+/**
+ * URL handling class
+ */
+require_once 'Net/URL.php';
+
+/**#@+
+ * Constants for HTTP request methods
+ */
+define('HTTP_REQUEST_METHOD_GET', 'GET', true);
+define('HTTP_REQUEST_METHOD_HEAD', 'HEAD', true);
+define('HTTP_REQUEST_METHOD_POST', 'POST', true);
+define('HTTP_REQUEST_METHOD_PUT', 'PUT', true);
+define('HTTP_REQUEST_METHOD_DELETE', 'DELETE', true);
+define('HTTP_REQUEST_METHOD_OPTIONS', 'OPTIONS', true);
+define('HTTP_REQUEST_METHOD_TRACE', 'TRACE', true);
+/**#@-*/
+
+/**#@+
+ * Constants for HTTP request error codes
+ */
+define('HTTP_REQUEST_ERROR_FILE', 1);
+define('HTTP_REQUEST_ERROR_URL', 2);
+define('HTTP_REQUEST_ERROR_PROXY', 4);
+define('HTTP_REQUEST_ERROR_REDIRECTS', 8);
+define('HTTP_REQUEST_ERROR_RESPONSE', 16);
+define('HTTP_REQUEST_ERROR_GZIP_METHOD', 32);
+define('HTTP_REQUEST_ERROR_GZIP_READ', 64);
+define('HTTP_REQUEST_ERROR_GZIP_DATA', 128);
+define('HTTP_REQUEST_ERROR_GZIP_CRC', 256);
+/**#@-*/
+
+/**#@+
+ * Constants for HTTP protocol versions
+ */
+define('HTTP_REQUEST_HTTP_VER_1_0', '1.0', true);
+define('HTTP_REQUEST_HTTP_VER_1_1', '1.1', true);
+/**#@-*/
+
+if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+ /**
+ * Whether string functions are overloaded by their mbstring equivalents
+ */
+ define('HTTP_REQUEST_MBSTRING', true);
+} else {
+ /**
+ * @ignore
+ */
+ define('HTTP_REQUEST_MBSTRING', false);
+}
+
+/**
+ * Class for performing HTTP requests
+ *
+ * Simple example (fetches yahoo.com and displays it):
+ * <code>
+ * $a = &new HTTP_Request('http://www.yahoo.com/');
+ * $a->sendRequest();
+ * echo $a->getResponseBody();
+ * </code>
+ *
+ * @category HTTP
+ * @package HTTP_Request
+ * @author Richard Heyes <richard@phpguru.org>
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 1.4.4
+ */
+class HTTP_Request
+{
+ /**#@+
+ * @access private
+ */
+ /**
+ * Instance of Net_URL
+ * @var Net_URL
+ */
+ var $_url;
+
+ /**
+ * Type of request
+ * @var string
+ */
+ var $_method;
+
+ /**
+ * HTTP Version
+ * @var string
+ */
+ var $_http;
+
+ /**
+ * Request headers
+ * @var array
+ */
+ var $_requestHeaders;
+
+ /**
+ * Basic Auth Username
+ * @var string
+ */
+ var $_user;
+
+ /**
+ * Basic Auth Password
+ * @var string
+ */
+ var $_pass;
+
+ /**
+ * Socket object
+ * @var Net_Socket
+ */
+ var $_sock;
+
+ /**
+ * Proxy server
+ * @var string
+ */
+ var $_proxy_host;
+
+ /**
+ * Proxy port
+ * @var integer
+ */
+ var $_proxy_port;
+
+ /**
+ * Proxy username
+ * @var string
+ */
+ var $_proxy_user;
+
+ /**
+ * Proxy password
+ * @var string
+ */
+ var $_proxy_pass;
+
+ /**
+ * Post data
+ * @var array
+ */
+ var $_postData;
+
+ /**
+ * Request body
+ * @var string
+ */
+ var $_body;
+
+ /**
+ * A list of methods that MUST NOT have a request body, per RFC 2616
+ * @var array
+ */
+ var $_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
+ */
+ var $_bodyRequired = array('POST', 'PUT');
+
+ /**
+ * Files to post
+ * @var array
+ */
+ var $_postFiles = array();
+
+ /**
+ * Connection timeout.
+ * @var float
+ */
+ var $_timeout;
+
+ /**
+ * HTTP_Response object
+ * @var HTTP_Response
+ */
+ var $_response;
+
+ /**
+ * Whether to allow redirects
+ * @var boolean
+ */
+ var $_allowRedirects;
+
+ /**
+ * Maximum redirects allowed
+ * @var integer
+ */
+ var $_maxRedirects;
+
+ /**
+ * Current number of redirects
+ * @var integer
+ */
+ var $_redirects;
+
+ /**
+ * Whether to append brackets [] to array variables
+ * @var bool
+ */
+ var $_useBrackets = true;
+
+ /**
+ * Attached listeners
+ * @var array
+ */
+ var $_listeners = array();
+
+ /**
+ * Whether to save response body in response object property
+ * @var bool
+ */
+ var $_saveBody = true;
+
+ /**
+ * Timeout for reading from socket (array(seconds, microseconds))
+ * @var array
+ */
+ var $_readTimeout = null;
+
+ /**
+ * Options to pass to Net_Socket::connect. See stream_context_create
+ * @var array
+ */
+ var $_socketOptions = null;
+ /**#@-*/
+
+ /**
+ * Constructor
+ *
+ * Sets up the object
+ * @param string The url to fetch/access
+ * @param array Associative array of parameters which can have the following keys:
+ * <ul>
+ * <li>method - Method to use, GET, POST etc (string)</li>
+ * <li>http - HTTP Version to use, 1.0 or 1.1 (string)</li>
+ * <li>user - Basic Auth username (string)</li>
+ * <li>pass - Basic Auth password (string)</li>
+ * <li>proxy_host - Proxy server host (string)</li>
+ * <li>proxy_port - Proxy server port (integer)</li>
+ * <li>proxy_user - Proxy auth username (string)</li>
+ * <li>proxy_pass - Proxy auth password (string)</li>
+ * <li>timeout - Connection timeout in seconds (float)</li>
+ * <li>allowRedirects - Whether to follow redirects or not (bool)</li>
+ * <li>maxRedirects - Max number of redirects to follow (integer)</li>
+ * <li>useBrackets - Whether to append [] to array variable names (bool)</li>
+ * <li>saveBody - Whether to save response body in response object property (bool)</li>
+ * <li>readTimeout - Timeout for reading / writing data over the socket (array (seconds, microseconds))</li>
+ * <li>socketOptions - Options to pass to Net_Socket object (array)</li>
+ * </ul>
+ * @access public
+ */
+ function HTTP_Request($url = '', $params = array())
+ {
+ $this->_method = HTTP_REQUEST_METHOD_GET;
+ $this->_http = HTTP_REQUEST_HTTP_VER_1_1;
+ $this->_requestHeaders = array();
+ $this->_postData = array();
+ $this->_body = null;
+
+ $this->_user = null;
+ $this->_pass = null;
+
+ $this->_proxy_host = null;
+ $this->_proxy_port = null;
+ $this->_proxy_user = null;
+ $this->_proxy_pass = null;
+
+ $this->_allowRedirects = false;
+ $this->_maxRedirects = 3;
+ $this->_redirects = 0;
+
+ $this->_timeout = null;
+ $this->_response = null;
+
+ foreach ($params as $key => $value) {
+ $this->{'_' . $key} = $value;
+ }
+
+ if (!empty($url)) {
+ $this->setURL($url);
+ }
+
+ // Default useragent
+ $this->addHeader('User-Agent', 'PEAR HTTP_Request class ( http://pear.php.net/ )');
+
+ // We don't do keep-alives by default
+ $this->addHeader('Connection', 'close');
+
+ // Basic authentication
+ if (!empty($this->_user)) {
+ $this->addHeader('Authorization', 'Basic ' . base64_encode($this->_user . ':' . $this->_pass));
+ }
+
+ // Proxy authentication (see bug #5913)
+ if (!empty($this->_proxy_user)) {
+ $this->addHeader('Proxy-Authorization', 'Basic ' . base64_encode($this->_proxy_user . ':' . $this->_proxy_pass));
+ }
+
+ // Use gzip encoding if possible
+ if (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http && extension_loaded('zlib')) {
+ $this->addHeader('Accept-Encoding', 'gzip');
+ }
+ }
+
+ /**
+ * Generates a Host header for HTTP/1.1 requests
+ *
+ * @access private
+ * @return string
+ */
+ function _generateHostHeader()
+ {
+ if ($this->_url->port != 80 AND strcasecmp($this->_url->protocol, 'http') == 0) {
+ $host = $this->_url->host . ':' . $this->_url->port;
+
+ } elseif ($this->_url->port != 443 AND strcasecmp($this->_url->protocol, 'https') == 0) {
+ $host = $this->_url->host . ':' . $this->_url->port;
+
+ } elseif ($this->_url->port == 443 AND strcasecmp($this->_url->protocol, 'https') == 0 AND strpos($this->_url->url, ':443') !== false) {
+ $host = $this->_url->host . ':' . $this->_url->port;
+
+ } else {
+ $host = $this->_url->host;
+ }
+
+ return $host;
+ }
+
+ /**
+ * Resets the object to its initial state (DEPRECATED).
+ * Takes the same parameters as the constructor.
+ *
+ * @param string $url The url to be requested
+ * @param array $params Associative array of parameters
+ * (see constructor for details)
+ * @access public
+ * @deprecated deprecated since 1.2, call the constructor if this is necessary
+ */
+ function reset($url, $params = array())
+ {
+ $this->HTTP_Request($url, $params);
+ }
+
+ /**
+ * Sets the URL to be requested
+ *
+ * @param string The url to be requested
+ * @access public
+ */
+ function setURL($url)
+ {
+ $this->_url = &new Net_URL($url, $this->_useBrackets);
+
+ if (!empty($this->_url->user) || !empty($this->_url->pass)) {
+ $this->setBasicAuth($this->_url->user, $this->_url->pass);
+ }
+
+ if (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http) {
+ $this->addHeader('Host', $this->_generateHostHeader());
+ }
+
+ // set '/' instead of empty path rather than check later (see bug #8662)
+ if (empty($this->_url->path)) {
+ $this->_url->path = '/';
+ }
+ }
+
+ /**
+ * Returns the current request URL
+ *
+ * @return string Current request URL
+ * @access public
+ */
+ function getUrl()
+ {
+ return empty($this->_url)? '': $this->_url->getUrl();
+ }
+
+ /**
+ * Sets a proxy to be used
+ *
+ * @param string Proxy host
+ * @param int Proxy port
+ * @param string Proxy username
+ * @param string Proxy password
+ * @access public
+ */
+ function setProxy($host, $port = 8080, $user = null, $pass = null)
+ {
+ $this->_proxy_host = $host;
+ $this->_proxy_port = $port;
+ $this->_proxy_user = $user;
+ $this->_proxy_pass = $pass;
+
+ if (!empty($user)) {
+ $this->addHeader('Proxy-Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
+ }
+ }
+
+ /**
+ * Sets basic authentication parameters
+ *
+ * @param string Username
+ * @param string Password
+ */
+ function setBasicAuth($user, $pass)
+ {
+ $this->_user = $user;
+ $this->_pass = $pass;
+
+ $this->addHeader('Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
+ }
+
+ /**
+ * Sets the method to be used, GET, POST etc.
+ *
+ * @param string Method to use. Use the defined constants for this
+ * @access public
+ */
+ function setMethod($method)
+ {
+ $this->_method = $method;
+ }
+
+ /**
+ * Sets the HTTP version to use, 1.0 or 1.1
+ *
+ * @param string Version to use. Use the defined constants for this
+ * @access public
+ */
+ function setHttpVer($http)
+ {
+ $this->_http = $http;
+ }
+
+ /**
+ * Adds a request header
+ *
+ * @param string Header name
+ * @param string Header value
+ * @access public
+ */
+ function addHeader($name, $value)
+ {
+ $this->_requestHeaders[strtolower($name)] = $value;
+ }
+
+ /**
+ * Removes a request header
+ *
+ * @param string Header name to remove
+ * @access public
+ */
+ function removeHeader($name)
+ {
+ if (isset($this->_requestHeaders[strtolower($name)])) {
+ unset($this->_requestHeaders[strtolower($name)]);
+ }
+ }
+
+ /**
+ * Adds a querystring parameter
+ *
+ * @param string Querystring parameter name
+ * @param string Querystring parameter value
+ * @param bool Whether the value is already urlencoded or not, default = not
+ * @access public
+ */
+ function addQueryString($name, $value, $preencoded = false)
+ {
+ $this->_url->addQueryString($name, $value, $preencoded);
+ }
+
+ /**
+ * Sets the querystring to literally what you supply
+ *
+ * @param string The querystring data. Should be of the format foo=bar&x=y etc
+ * @param bool Whether data is already urlencoded or not, default = already encoded
+ * @access public
+ */
+ function addRawQueryString($querystring, $preencoded = true)
+ {
+ $this->_url->addRawQueryString($querystring, $preencoded);
+ }
+
+ /**
+ * Adds postdata items
+ *
+ * @param string Post data name
+ * @param string Post data value
+ * @param bool Whether data is already urlencoded or not, default = not
+ * @access public
+ */
+ function addPostData($name, $value, $preencoded = false)
+ {
+ if ($preencoded) {
+ $this->_postData[$name] = $value;
+ } else {
+ $this->_postData[$name] = $this->_arrayMapRecursive('urlencode', $value);
+ }
+ }
+
+ /**
+ * Recursively applies the callback function to the value
+ *
+ * @param mixed Callback function
+ * @param mixed Value to process
+ * @access private
+ * @return mixed Processed value
+ */
+ function _arrayMapRecursive($callback, $value)
+ {
+ if (!is_array($value)) {
+ return call_user_func($callback, $value);
+ } else {
+ $map = array();
+ foreach ($value as $k => $v) {
+ $map[$k] = $this->_arrayMapRecursive($callback, $v);
+ }
+ return $map;
+ }
+ }
+
+ /**
+ * Adds a file to form-based file upload
+ *
+ * Used to emulate file upload via a HTML form. The method also sets
+ * Content-Type of HTTP request to 'multipart/form-data'.
+ *
+ * If you just want to send the contents of a file as the body of HTTP
+ * request you should use setBody() method.
+ *
+ * @access public
+ * @param string name of file-upload field
+ * @param mixed file name(s)
+ * @param mixed content-type(s) of file(s) being uploaded
+ * @return bool true on success
+ * @throws PEAR_Error
+ */
+ function addFile($inputName, $fileName, $contentType = 'application/octet-stream')
+ {
+ if (!is_array($fileName) && !is_readable($fileName)) {
+ return PEAR::raiseError("File '{$fileName}' is not readable", HTTP_REQUEST_ERROR_FILE);
+ } elseif (is_array($fileName)) {
+ foreach ($fileName as $name) {
+ if (!is_readable($name)) {
+ return PEAR::raiseError("File '{$name}' is not readable", HTTP_REQUEST_ERROR_FILE);
+ }
+ }
+ }
+ $this->addHeader('Content-Type', 'multipart/form-data');
+ $this->_postFiles[$inputName] = array(
+ 'name' => $fileName,
+ 'type' => $contentType
+ );
+ return true;
+ }
+
+ /**
+ * Adds raw postdata (DEPRECATED)
+ *
+ * @param string The data
+ * @param bool Whether data is preencoded or not, default = already encoded
+ * @access public
+ * @deprecated deprecated since 1.3.0, method setBody() should be used instead
+ */
+ function addRawPostData($postdata, $preencoded = true)
+ {
+ $this->_body = $preencoded ? $postdata : urlencode($postdata);
+ }
+
+ /**
+ * Sets the request body (for POST, PUT and similar requests)
+ *
+ * @param string Request body
+ * @access public
+ */
+ function setBody($body)
+ {
+ $this->_body = $body;
+ }
+
+ /**
+ * Clears any postdata that has been added (DEPRECATED).
+ *
+ * Useful for multiple request scenarios.
+ *
+ * @access public
+ * @deprecated deprecated since 1.2
+ */
+ function clearPostData()
+ {
+ $this->_postData = null;
+ }
+
+ /**
+ * Appends a cookie to "Cookie:" header
+ *
+ * @param string $name cookie name
+ * @param string $value cookie value
+ * @access public
+ */
+ function addCookie($name, $value)
+ {
+ $cookies = isset($this->_requestHeaders['cookie']) ? $this->_requestHeaders['cookie']. '; ' : '';
+ $this->addHeader('Cookie', $cookies . $name . '=' . $value);
+ }
+
+ /**
+ * Clears any cookies that have been added (DEPRECATED).
+ *
+ * Useful for multiple request scenarios
+ *
+ * @access public
+ * @deprecated deprecated since 1.2
+ */
+ function clearCookies()
+ {
+ $this->removeHeader('Cookie');
+ }
+
+ /**
+ * Sends the request
+ *
+ * @access public
+ * @param bool Whether to store response body in Response object property,
+ * set this to false if downloading a LARGE file and using a Listener
+ * @return mixed PEAR error on error, true otherwise
+ */
+ function sendRequest($saveBody = true)
+ {
+ if (!is_a($this->_url, 'Net_URL')) {
+ return PEAR::raiseError('No URL given', HTTP_REQUEST_ERROR_URL);
+ }
+
+ $host = isset($this->_proxy_host) ? $this->_proxy_host : $this->_url->host;
+ $port = isset($this->_proxy_port) ? $this->_proxy_port : $this->_url->port;
+
+ if (strcasecmp($this->_url->protocol, 'https') == 0) {
+ // Bug #14127, don't try connecting to HTTPS sites without OpenSSL
+ if (version_compare(PHP_VERSION, '4.3.0', '<') || !extension_loaded('openssl')) {
+ return PEAR::raiseError('Need PHP 4.3.0 or later with OpenSSL support for https:// requests',
+ HTTP_REQUEST_ERROR_URL);
+ } elseif (isset($this->_proxy_host)) {
+ return PEAR::raiseError('HTTPS proxies are not supported', HTTP_REQUEST_ERROR_PROXY);
+ }
+ $host = 'ssl://' . $host;
+ }
+
+ // magic quotes may fuck up file uploads and chunked response processing
+ $magicQuotes = ini_get('magic_quotes_runtime');
+ ini_set('magic_quotes_runtime', false);
+
+ // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
+ // connection token to a proxy server...
+ if (isset($this->_proxy_host) && !empty($this->_requestHeaders['connection']) &&
+ 'Keep-Alive' == $this->_requestHeaders['connection'])
+ {
+ $this->removeHeader('connection');
+ }
+
+ $keepAlive = (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http && empty($this->_requestHeaders['connection'])) ||
+ (!empty($this->_requestHeaders['connection']) && 'Keep-Alive' == $this->_requestHeaders['connection']);
+ $sockets = &PEAR::getStaticProperty('HTTP_Request', 'sockets');
+ $sockKey = $host . ':' . $port;
+ unset($this->_sock);
+
+ // There is a connected socket in the "static" property?
+ if ($keepAlive && !empty($sockets[$sockKey]) &&
+ !empty($sockets[$sockKey]->fp))
+ {
+ $this->_sock =& $sockets[$sockKey];
+ $err = null;
+ } else {
+ $this->_notify('connect');
+ $this->_sock =& new Net_Socket();
+ $err = $this->_sock->connect($host, $port, null, $this->_timeout, $this->_socketOptions);
+ }
+ PEAR::isError($err) or $err = $this->_sock->write($this->_buildRequest());
+
+ if (!PEAR::isError($err)) {
+ if (!empty($this->_readTimeout)) {
+ $this->_sock->setTimeout($this->_readTimeout[0], $this->_readTimeout[1]);
+ }
+
+ $this->_notify('sentRequest');
+
+ // Read the response
+ $this->_response = &new HTTP_Response($this->_sock, $this->_listeners);
+ $err = $this->_response->process(
+ $this->_saveBody && $saveBody,
+ HTTP_REQUEST_METHOD_HEAD != $this->_method
+ );
+
+ if ($keepAlive) {
+ $keepAlive = (isset($this->_response->_headers['content-length'])
+ || (isset($this->_response->_headers['transfer-encoding'])
+ && strtolower($this->_response->_headers['transfer-encoding']) == 'chunked'));
+ if ($keepAlive) {
+ if (isset($this->_response->_headers['connection'])) {
+ $keepAlive = strtolower($this->_response->_headers['connection']) == 'keep-alive';
+ } else {
+ $keepAlive = 'HTTP/'.HTTP_REQUEST_HTTP_VER_1_1 == $this->_response->_protocol;
+ }
+ }
+ }
+ }
+
+ ini_set('magic_quotes_runtime', $magicQuotes);
+
+ if (PEAR::isError($err)) {
+ return $err;
+ }
+
+ if (!$keepAlive) {
+ $this->disconnect();
+ // Store the connected socket in "static" property
+ } elseif (empty($sockets[$sockKey]) || empty($sockets[$sockKey]->fp)) {
+ $sockets[$sockKey] =& $this->_sock;
+ }
+
+ // Check for redirection
+ if ( $this->_allowRedirects
+ AND $this->_redirects <= $this->_maxRedirects
+ AND $this->getResponseCode() > 300
+ AND $this->getResponseCode() < 399
+ AND !empty($this->_response->_headers['location'])) {
+
+
+ $redirect = $this->_response->_headers['location'];
+
+ // Absolute URL
+ if (preg_match('/^https?:\/\//i', $redirect)) {
+ $this->_url = &new Net_URL($redirect);
+ $this->addHeader('Host', $this->_generateHostHeader());
+ // Absolute path
+ } elseif ($redirect{0} == '/') {
+ $this->_url->path = $redirect;
+
+ // Relative path
+ } elseif (substr($redirect, 0, 3) == '../' OR substr($redirect, 0, 2) == './') {
+ if (substr($this->_url->path, -1) == '/') {
+ $redirect = $this->_url->path . $redirect;
+ } else {
+ $redirect = dirname($this->_url->path) . '/' . $redirect;
+ }
+ $redirect = Net_URL::resolvePath($redirect);
+ $this->_url->path = $redirect;
+
+ // Filename, no path
+ } else {
+ if (substr($this->_url->path, -1) == '/') {
+ $redirect = $this->_url->path . $redirect;
+ } else {
+ $redirect = dirname($this->_url->path) . '/' . $redirect;
+ }
+ $this->_url->path = $redirect;
+ }
+
+ $this->_redirects++;
+ return $this->sendRequest($saveBody);
+
+ // Too many redirects
+ } elseif ($this->_allowRedirects AND $this->_redirects > $this->_maxRedirects) {
+ return PEAR::raiseError('Too many redirects', HTTP_REQUEST_ERROR_REDIRECTS);
+ }
+
+ return true;
+ }
+
+ /**
+ * Disconnect the socket, if connected. Only useful if using Keep-Alive.
+ *
+ * @access public
+ */
+ function disconnect()
+ {
+ if (!empty($this->_sock) && !empty($this->_sock->fp)) {
+ $this->_notify('disconnect');
+ $this->_sock->disconnect();
+ }
+ }
+
+ /**
+ * Returns the response code
+ *
+ * @access public
+ * @return mixed Response code, false if not set
+ */
+ function getResponseCode()
+ {
+ return isset($this->_response->_code) ? $this->_response->_code : false;
+ }
+
+ /**
+ * Returns the response reason phrase
+ *
+ * @access public
+ * @return mixed Response reason phrase, false if not set
+ */
+ function getResponseReason()
+ {
+ return isset($this->_response->_reason) ? $this->_response->_reason : false;
+ }
+
+ /**
+ * Returns either the named header or all if no name given
+ *
+ * @access public
+ * @param string The header name to return, do not set to get all headers
+ * @return mixed either the value of $headername (false if header is not present)
+ * or an array of all headers
+ */
+ function getResponseHeader($headername = null)
+ {
+ if (!isset($headername)) {
+ return isset($this->_response->_headers)? $this->_response->_headers: array();
+ } else {
+ $headername = strtolower($headername);
+ return isset($this->_response->_headers[$headername]) ? $this->_response->_headers[$headername] : false;
+ }
+ }
+
+ /**
+ * Returns the body of the response
+ *
+ * @access public
+ * @return mixed response body, false if not set
+ */
+ function getResponseBody()
+ {
+ return isset($this->_response->_body) ? $this->_response->_body : false;
+ }
+
+ /**
+ * Returns cookies set in response
+ *
+ * @access public
+ * @return mixed array of response cookies, false if none are present
+ */
+ function getResponseCookies()
+ {
+ return isset($this->_response->_cookies) ? $this->_response->_cookies : false;
+ }
+
+ /**
+ * Builds the request string
+ *
+ * @access private
+ * @return string The request string
+ */
+ function _buildRequest()
+ {
+ $separator = ini_get('arg_separator.output');
+ ini_set('arg_separator.output', '&');
+ $querystring = ($querystring = $this->_url->getQueryString()) ? '?' . $querystring : '';
+ ini_set('arg_separator.output', $separator);
+
+ $host = isset($this->_proxy_host) ? $this->_url->protocol . '://' . $this->_url->host : '';
+ $port = (isset($this->_proxy_host) AND $this->_url->port != 80) ? ':' . $this->_url->port : '';
+ $path = $this->_url->path . $querystring;
+ $url = $host . $port . $path;
+
+ if (!strlen($url)) {
+ $url = '/';
+ }
+
+ $request = $this->_method . ' ' . $url . ' HTTP/' . $this->_http . "\r\n";
+
+ if (in_array($this->_method, $this->_bodyDisallowed) ||
+ (0 == strlen($this->_body) && (HTTP_REQUEST_METHOD_POST != $this->_method ||
+ (empty($this->_postData) && empty($this->_postFiles)))))
+ {
+ $this->removeHeader('Content-Type');
+ } else {
+ if (empty($this->_requestHeaders['content-type'])) {
+ // Add default content-type
+ $this->addHeader('Content-Type', 'application/x-www-form-urlencoded');
+ } elseif ('multipart/form-data' == $this->_requestHeaders['content-type']) {
+ $boundary = 'HTTP_Request_' . md5(uniqid('request') . microtime());
+ $this->addHeader('Content-Type', 'multipart/form-data; boundary=' . $boundary);
+ }
+ }
+
+ // Request Headers
+ if (!empty($this->_requestHeaders)) {
+ foreach ($this->_requestHeaders as $name => $value) {
+ $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+ $request .= $canonicalName . ': ' . $value . "\r\n";
+ }
+ }
+
+ // Method does not allow a body, simply add a final CRLF
+ if (in_array($this->_method, $this->_bodyDisallowed)) {
+
+ $request .= "\r\n";
+
+ // Post data if it's an array
+ } elseif (HTTP_REQUEST_METHOD_POST == $this->_method &&
+ (!empty($this->_postData) || !empty($this->_postFiles))) {
+
+ // "normal" POST request
+ if (!isset($boundary)) {
+ $postdata = implode('&', array_map(
+ create_function('$a', 'return $a[0] . \'=\' . $a[1];'),
+ $this->_flattenArray('', $this->_postData)
+ ));
+
+ // multipart request, probably with file uploads
+ } else {
+ $postdata = '';
+ if (!empty($this->_postData)) {
+ $flatData = $this->_flattenArray('', $this->_postData);
+ foreach ($flatData as $item) {
+ $postdata .= '--' . $boundary . "\r\n";
+ $postdata .= 'Content-Disposition: form-data; name="' . $item[0] . '"';
+ $postdata .= "\r\n\r\n" . urldecode($item[1]) . "\r\n";
+ }
+ }
+ foreach ($this->_postFiles as $name => $value) {
+ if (is_array($value['name'])) {
+ $varname = $name . ($this->_useBrackets? '[]': '');
+ } else {
+ $varname = $name;
+ $value['name'] = array($value['name']);
+ }
+ foreach ($value['name'] as $key => $filename) {
+ $fp = fopen($filename, 'r');
+ $basename = basename($filename);
+ $type = is_array($value['type'])? @$value['type'][$key]: $value['type'];
+
+ $postdata .= '--' . $boundary . "\r\n";
+ $postdata .= 'Content-Disposition: form-data; name="' . $varname . '"; filename="' . $basename . '"';
+ $postdata .= "\r\nContent-Type: " . $type;
+ $postdata .= "\r\n\r\n" . fread($fp, filesize($filename)) . "\r\n";
+ fclose($fp);
+ }
+ }
+ $postdata .= '--' . $boundary . "--\r\n";
+ }
+ $request .= 'Content-Length: ' .
+ (HTTP_REQUEST_MBSTRING? mb_strlen($postdata, 'iso-8859-1'): strlen($postdata)) .
+ "\r\n\r\n";
+ $request .= $postdata;
+
+ // Explicitly set request body
+ } elseif (0 < strlen($this->_body)) {
+
+ $request .= 'Content-Length: ' .
+ (HTTP_REQUEST_MBSTRING? mb_strlen($this->_body, 'iso-8859-1'): strlen($this->_body)) .
+ "\r\n\r\n";
+ $request .= $this->_body;
+
+ // No body: send a Content-Length header nonetheless (request #12900),
+ // but do that only for methods that require a body (bug #14740)
+ } else {
+
+ if (in_array($this->_method, $this->_bodyRequired)) {
+ $request .= "Content-Length: 0\r\n";
+ }
+ $request .= "\r\n";
+ }
+
+ return $request;
+ }
+
+ /**
+ * Helper function to change the (probably multidimensional) associative array
+ * into the simple one.
+ *
+ * @param string name for item
+ * @param mixed item's values
+ * @return array array with the following items: array('item name', 'item value');
+ * @access private
+ */
+ function _flattenArray($name, $values)
+ {
+ if (!is_array($values)) {
+ return array(array($name, $values));
+ } else {
+ $ret = array();
+ foreach ($values as $k => $v) {
+ if (empty($name)) {
+ $newName = $k;
+ } elseif ($this->_useBrackets) {
+ $newName = $name . '[' . $k . ']';
+ } else {
+ $newName = $name;
+ }
+ $ret = array_merge($ret, $this->_flattenArray($newName, $v));
+ }
+ return $ret;
+ }
+ }
+
+
+ /**
+ * Adds a Listener to the list of listeners that are notified of
+ * the object's events
+ *
+ * Events sent by HTTP_Request object
+ * - 'connect': on connection to server
+ * - 'sentRequest': after the request was sent
+ * - 'disconnect': on disconnection from server
+ *
+ * Events sent by HTTP_Response object
+ * - 'gotHeaders': after receiving response headers (headers are passed in $data)
+ * - 'tick': on receiving a part of response body (the part is passed in $data)
+ * - 'gzTick': on receiving a gzip-encoded part of response body (ditto)
+ * - 'gotBody': after receiving the response body (passes the decoded body in $data if it was gzipped)
+ *
+ * @param HTTP_Request_Listener listener to attach
+ * @return boolean whether the listener was successfully attached
+ * @access public
+ */
+ function attach(&$listener)
+ {
+ if (!is_a($listener, 'HTTP_Request_Listener')) {
+ return false;
+ }
+ $this->_listeners[$listener->getId()] =& $listener;
+ return true;
+ }
+
+
+ /**
+ * Removes a Listener from the list of listeners
+ *
+ * @param HTTP_Request_Listener listener to detach
+ * @return boolean whether the listener was successfully detached
+ * @access public
+ */
+ function detach(&$listener)
+ {
+ if (!is_a($listener, 'HTTP_Request_Listener') ||
+ !isset($this->_listeners[$listener->getId()])) {
+ return false;
+ }
+ unset($this->_listeners[$listener->getId()]);
+ return true;
+ }
+
+
+ /**
+ * Notifies all registered listeners of an event.
+ *
+ * @param string Event name
+ * @param mixed Additional data
+ * @access private
+ * @see HTTP_Request::attach()
+ */
+ function _notify($event, $data = null)
+ {
+ foreach (array_keys($this->_listeners) as $id) {
+ $this->_listeners[$id]->update($this, $event, $data);
+ }
+ }
+}
+
+
+/**
+ * Response class to complement the Request class
+ *
+ * @category HTTP
+ * @package HTTP_Request
+ * @author Richard Heyes <richard@phpguru.org>
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 1.4.4
+ */
+class HTTP_Response
+{
+ /**
+ * Socket object
+ * @var Net_Socket
+ */
+ var $_sock;
+
+ /**
+ * Protocol
+ * @var string
+ */
+ var $_protocol;
+
+ /**
+ * Return code
+ * @var string
+ */
+ var $_code;
+
+ /**
+ * Response reason phrase
+ * @var string
+ */
+ var $_reason;
+
+ /**
+ * Response headers
+ * @var array
+ */
+ var $_headers;
+
+ /**
+ * Cookies set in response
+ * @var array
+ */
+ var $_cookies;
+
+ /**
+ * Response body
+ * @var string
+ */
+ var $_body = '';
+
+ /**
+ * Used by _readChunked(): remaining length of the current chunk
+ * @var string
+ */
+ var $_chunkLength = 0;
+
+ /**
+ * Attached listeners
+ * @var array
+ */
+ var $_listeners = array();
+
+ /**
+ * Bytes left to read from message-body
+ * @var null|int
+ */
+ var $_toRead;
+
+ /**
+ * Constructor
+ *
+ * @param Net_Socket socket to read the response from
+ * @param array listeners attached to request
+ */
+ function HTTP_Response(&$sock, &$listeners)
+ {
+ $this->_sock =& $sock;
+ $this->_listeners =& $listeners;
+ }
+
+
+ /**
+ * Processes a HTTP response
+ *
+ * This extracts response code, headers, cookies and decodes body if it
+ * was encoded in some way
+ *
+ * @access public
+ * @param bool Whether to store response body in object property, set
+ * this to false if downloading a LARGE file and using a Listener.
+ * This is assumed to be true if body is gzip-encoded.
+ * @param bool Whether the response can actually have a message-body.
+ * Will be set to false for HEAD requests.
+ * @throws PEAR_Error
+ * @return mixed true on success, PEAR_Error in case of malformed response
+ */
+ function process($saveBody = true, $canHaveBody = true)
+ {
+ do {
+ $line = $this->_sock->readLine();
+ if (!preg_match('!^(HTTP/\d\.\d) (\d{3})(?: (.+))?!', $line, $s)) {
+ return PEAR::raiseError('Malformed response', HTTP_REQUEST_ERROR_RESPONSE);
+ } else {
+ $this->_protocol = $s[1];
+ $this->_code = intval($s[2]);
+ $this->_reason = empty($s[3])? null: $s[3];
+ }
+ while ('' !== ($header = $this->_sock->readLine())) {
+ $this->_processHeader($header);
+ }
+ } while (100 == $this->_code);
+
+ $this->_notify('gotHeaders', $this->_headers);
+
+ // RFC 2616, section 4.4:
+ // 1. Any response message which "MUST NOT" include a message-body ...
+ // is always terminated by the first empty line after the header fields
+ // 3. ... If a message is received with both a
+ // Transfer-Encoding header field and a Content-Length header field,
+ // the latter MUST be ignored.
+ $canHaveBody = $canHaveBody && $this->_code >= 200 &&
+ $this->_code != 204 && $this->_code != 304;
+
+ // If response body is present, read it and decode
+ $chunked = isset($this->_headers['transfer-encoding']) && ('chunked' == $this->_headers['transfer-encoding']);
+ $gzipped = isset($this->_headers['content-encoding']) && ('gzip' == $this->_headers['content-encoding']);
+ $hasBody = false;
+ if ($canHaveBody && ($chunked || !isset($this->_headers['content-length']) ||
+ 0 != $this->_headers['content-length']))
+ {
+ if ($chunked || !isset($this->_headers['content-length'])) {
+ $this->_toRead = null;
+ } else {
+ $this->_toRead = $this->_headers['content-length'];
+ }
+ while (!$this->_sock->eof() && (is_null($this->_toRead) || 0 < $this->_toRead)) {
+ if ($chunked) {
+ $data = $this->_readChunked();
+ } elseif (is_null($this->_toRead)) {
+ $data = $this->_sock->read(4096);
+ } else {
+ $data = $this->_sock->read(min(4096, $this->_toRead));
+ $this->_toRead -= HTTP_REQUEST_MBSTRING? mb_strlen($data, 'iso-8859-1'): strlen($data);
+ }
+ if ('' == $data && (!$this->_chunkLength || $this->_sock->eof())) {
+ break;
+ } else {
+ $hasBody = true;
+ if ($saveBody || $gzipped) {
+ $this->_body .= $data;
+ }
+ $this->_notify($gzipped? 'gzTick': 'tick', $data);
+ }
+ }
+ }
+
+ if ($hasBody) {
+ // Uncompress the body if needed
+ if ($gzipped) {
+ $body = $this->_decodeGzip($this->_body);
+ if (PEAR::isError($body)) {
+ return $body;
+ }
+ $this->_body = $body;
+ $this->_notify('gotBody', $this->_body);
+ } else {
+ $this->_notify('gotBody');
+ }
+ }
+ return true;
+ }
+
+
+ /**
+ * Processes the response header
+ *
+ * @access private
+ * @param string HTTP header
+ */
+ function _processHeader($header)
+ {
+ if (false === strpos($header, ':')) {
+ return;
+ }
+ list($headername, $headervalue) = explode(':', $header, 2);
+ $headername = strtolower($headername);
+ $headervalue = ltrim($headervalue);
+
+ if ('set-cookie' != $headername) {
+ if (isset($this->_headers[$headername])) {
+ $this->_headers[$headername] .= ',' . $headervalue;
+ } else {
+ $this->_headers[$headername] = $headervalue;
+ }
+ } else {
+ $this->_parseCookie($headervalue);
+ }
+ }
+
+
+ /**
+ * Parse a Set-Cookie header to fill $_cookies array
+ *
+ * @access private
+ * @param string value of Set-Cookie header
+ */
+ function _parseCookie($headervalue)
+ {
+ $cookie = array(
+ 'expires' => null,
+ 'domain' => null,
+ 'path' => null,
+ 'secure' => false
+ );
+
+ // Only a name=value pair
+ if (!strpos($headervalue, ';')) {
+ $pos = strpos($headervalue, '=');
+ $cookie['name'] = trim(substr($headervalue, 0, $pos));
+ $cookie['value'] = trim(substr($headervalue, $pos + 1));
+
+ // Some optional parameters are supplied
+ } else {
+ $elements = explode(';', $headervalue);
+ $pos = strpos($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;
+ }
+
+
+ /**
+ * Read a part of response body encoded with chunked Transfer-Encoding
+ *
+ * @access private
+ * @return string
+ */
+ function _readChunked()
+ {
+ // at start of the next chunk?
+ if (0 == $this->_chunkLength) {
+ $line = $this->_sock->readLine();
+ if (preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
+ $this->_chunkLength = hexdec($matches[1]);
+ // Chunk with zero length indicates the end
+ if (0 == $this->_chunkLength) {
+ $this->_sock->readLine(); // make this an eof()
+ return '';
+ }
+ } else {
+ return '';
+ }
+ }
+ $data = $this->_sock->read($this->_chunkLength);
+ $this->_chunkLength -= HTTP_REQUEST_MBSTRING? mb_strlen($data, 'iso-8859-1'): strlen($data);
+ if (0 == $this->_chunkLength) {
+ $this->_sock->readLine(); // Trailing CRLF
+ }
+ return $data;
+ }
+
+
+ /**
+ * Notifies all registered listeners of an event.
+ *
+ * @param string Event name
+ * @param mixed Additional data
+ * @access private
+ * @see HTTP_Request::_notify()
+ */
+ function _notify($event, $data = null)
+ {
+ foreach (array_keys($this->_listeners) as $id) {
+ $this->_listeners[$id]->update($this, $event, $data);
+ }
+ }
+
+
+ /**
+ * Decodes the message-body encoded by gzip
+ *
+ * The real decoding work is done by gzinflate() built-in function, this
+ * method only parses the header and checks data for compliance with
+ * RFC 1952
+ *
+ * @access private
+ * @param string gzip-encoded data
+ * @return string decoded data
+ */
+ function _decodeGzip($data)
+ {
+ if (HTTP_REQUEST_MBSTRING) {
+ $oldEncoding = mb_internal_encoding();
+ mb_internal_encoding('iso-8859-1');
+ }
+ $length = strlen($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;
+ }
+ $method = ord(substr($data, 2, 1));
+ if (8 != $method) {
+ return PEAR::raiseError('_decodeGzip(): unknown compression method', HTTP_REQUEST_ERROR_GZIP_METHOD);
+ }
+ $flags = ord(substr($data, 3, 1));
+ if ($flags & 224) {
+ return PEAR::raiseError('_decodeGzip(): reserved bits are set', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+
+ // 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) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $extraLength = unpack('v', substr($data, 10, 2));
+ if ($length - $headerLength - 2 - $extraLength[1] < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $headerLength += $extraLength[1] + 2;
+ }
+ // file name, need to skip that
+ if ($flags & 8) {
+ if ($length - $headerLength - 1 < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $filenameLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $headerLength += $filenameLength + 1;
+ }
+ // comment, need to skip that also
+ if ($flags & 16) {
+ if ($length - $headerLength - 1 < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $commentLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $headerLength += $commentLength + 1;
+ }
+ // have a CRC for header. let's check
+ if ($flags & 1) {
+ if ($length - $headerLength - 2 < 8) {
+ return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
+ }
+ $crcReal = 0xffff & crc32(substr($data, 0, $headerLength));
+ $crcStored = unpack('v', substr($data, $headerLength, 2));
+ if ($crcReal != $crcStored[1]) {
+ return PEAR::raiseError('_decodeGzip(): header CRC check failed', HTTP_REQUEST_ERROR_GZIP_CRC);
+ }
+ $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 === $unpacked) {
+ return PEAR::raiseError('_decodeGzip(): gzinflate() call failed', HTTP_REQUEST_ERROR_GZIP_READ);
+ } elseif ($dataSize != strlen($unpacked)) {
+ return PEAR::raiseError('_decodeGzip(): data size check failed', HTTP_REQUEST_ERROR_GZIP_READ);
+ } elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
+ return PEAR::raiseError('_decodeGzip(): data CRC check failed', HTTP_REQUEST_ERROR_GZIP_CRC);
+ }
+ if (HTTP_REQUEST_MBSTRING) {
+ mb_internal_encoding($oldEncoding);
+ }
+ return $unpacked;
+ }
+} // End class HTTP_Response
+?>
diff --git a/extlib/HTTP/Request/Listener.php b/extlib/HTTP/Request/Listener.php new file mode 100644 index 000000000..b4fe444b3 --- /dev/null +++ b/extlib/HTTP/Request/Listener.php @@ -0,0 +1,106 @@ +<?php
+/**
+ * Listener for HTTP_Request and HTTP_Response objects
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2002-2007, Richard Heyes
+ * 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.
+ *
+ * @category HTTP
+ * @package HTTP_Request
+ * @author Alexey Borzov <avb@php.net>
+ * @copyright 2002-2007 Richard Heyes
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version CVS: $Id: Listener.php,v 1.3 2007/05/18 10:33:31 avb Exp $
+ * @link http://pear.php.net/package/HTTP_Request/
+ */
+
+/**
+ * Listener for HTTP_Request and HTTP_Response objects
+ *
+ * This class implements the Observer part of a Subject-Observer
+ * design pattern.
+ *
+ * @category HTTP
+ * @package HTTP_Request
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 1.4.4
+ */
+class HTTP_Request_Listener
+{
+ /**
+ * A listener's identifier
+ * @var string
+ */
+ var $_id;
+
+ /**
+ * Constructor, sets the object's identifier
+ *
+ * @access public
+ */
+ function HTTP_Request_Listener()
+ {
+ $this->_id = md5(uniqid('http_request_', 1));
+ }
+
+
+ /**
+ * Returns the listener's identifier
+ *
+ * @access public
+ * @return string
+ */
+ function getId()
+ {
+ return $this->_id;
+ }
+
+
+ /**
+ * This method is called when Listener is notified of an event
+ *
+ * @access public
+ * @param object an object the listener is attached to
+ * @param string Event name
+ * @param mixed Additional data
+ * @abstract
+ */
+ function update(&$subject, $event, $data = null)
+ {
+ echo "Notified of event: '$event'\n";
+ if (null !== $data) {
+ echo "Additional data: ";
+ var_dump($data);
+ }
+ }
+}
+?>
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