From 07e9e2dc3241eef1b803e655a5273f79cb758806 Mon Sep 17 00:00:00 2001 From: Evan Prodromou Date: Thu, 8 Jan 2009 20:56:09 +0000 Subject: Remove _darcs from git repository Not sure how or why this got in there. --- _darcs/pristine/extlib/Auth/Yadis/HTTPFetcher.php | 147 ------ _darcs/pristine/extlib/Auth/Yadis/Manager.php | 529 --------------------- _darcs/pristine/extlib/Auth/Yadis/Misc.php | 59 --- .../extlib/Auth/Yadis/ParanoidHTTPFetcher.php | 228 --------- _darcs/pristine/extlib/Auth/Yadis/ParseHTML.php | 259 ---------- .../extlib/Auth/Yadis/PlainHTTPFetcher.php | 251 ---------- _darcs/pristine/extlib/Auth/Yadis/XML.php | 374 --------------- _darcs/pristine/extlib/Auth/Yadis/XRDS.php | 478 ------------------- _darcs/pristine/extlib/Auth/Yadis/XRI.php | 234 --------- _darcs/pristine/extlib/Auth/Yadis/XRIRes.php | 72 --- _darcs/pristine/extlib/Auth/Yadis/Yadis.php | 382 --------------- 11 files changed, 3013 deletions(-) delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/HTTPFetcher.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/Manager.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/Misc.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/ParanoidHTTPFetcher.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/ParseHTML.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/PlainHTTPFetcher.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/XML.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/XRDS.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/XRI.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/XRIRes.php delete mode 100644 _darcs/pristine/extlib/Auth/Yadis/Yadis.php (limited to '_darcs/pristine/extlib/Auth/Yadis') diff --git a/_darcs/pristine/extlib/Auth/Yadis/HTTPFetcher.php b/_darcs/pristine/extlib/Auth/Yadis/HTTPFetcher.php deleted file mode 100644 index a1825403d..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/HTTPFetcher.php +++ /dev/null @@ -1,147 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * Require logging functionality - */ -require_once "Auth/OpenID.php"; - -define('Auth_OpenID_FETCHER_MAX_RESPONSE_KB', 1024); -define('Auth_OpenID_USER_AGENT', - 'php-openid/'.Auth_OpenID_VERSION.' (php/'.phpversion().')'); - -class Auth_Yadis_HTTPResponse { - function Auth_Yadis_HTTPResponse($final_url = null, $status = null, - $headers = null, $body = null) - { - $this->final_url = $final_url; - $this->status = $status; - $this->headers = $headers; - $this->body = $body; - } -} - -/** - * This class is the interface for HTTP fetchers the Yadis library - * uses. This interface is only important if you need to write a new - * fetcher for some reason. - * - * @access private - * @package OpenID - */ -class Auth_Yadis_HTTPFetcher { - - var $timeout = 20; // timeout in seconds. - - /** - * Return whether a URL can be fetched. Returns false if the URL - * scheme is not allowed or is not supported by this fetcher - * implementation; returns true otherwise. - * - * @return bool - */ - function canFetchURL($url) - { - if ($this->isHTTPS($url) && !$this->supportsSSL()) { - Auth_OpenID::log("HTTPS URL unsupported fetching %s", - $url); - return false; - } - - if (!$this->allowedURL($url)) { - Auth_OpenID::log("URL fetching not allowed for '%s'", - $url); - return false; - } - - return true; - } - - /** - * Return whether a URL should be allowed. Override this method to - * conform to your local policy. - * - * By default, will attempt to fetch any http or https URL. - */ - function allowedURL($url) - { - return $this->URLHasAllowedScheme($url); - } - - /** - * Does this fetcher implementation (and runtime) support fetching - * HTTPS URLs? May inspect the runtime environment. - * - * @return bool $support True if this fetcher supports HTTPS - * fetching; false if not. - */ - function supportsSSL() - { - trigger_error("not implemented", E_USER_ERROR); - } - - /** - * Is this an https URL? - * - * @access private - */ - function isHTTPS($url) - { - return (bool)preg_match('/^https:\/\//i', $url); - } - - /** - * Is this an http or https URL? - * - * @access private - */ - function URLHasAllowedScheme($url) - { - return (bool)preg_match('/^https?:\/\//i', $url); - } - - /** - * @access private - */ - function _findRedirect($headers) - { - foreach ($headers as $line) { - if (strpos(strtolower($line), "location: ") === 0) { - $parts = explode(" ", $line, 2); - return $parts[1]; - } - } - return null; - } - - /** - * Fetches the specified URL using optional extra headers and - * returns the server's response. - * - * @param string $url The URL to be fetched. - * @param array $extra_headers An array of header strings - * (e.g. "Accept: text/html"). - * @return mixed $result An array of ($code, $url, $headers, - * $body) if the URL could be fetched; null if the URL does not - * pass the URLHasAllowedScheme check or if the server's response - * is malformed. - */ - function get($url, $headers) - { - trigger_error("not implemented", E_USER_ERROR); - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/Manager.php b/_darcs/pristine/extlib/Auth/Yadis/Manager.php deleted file mode 100644 index d50cf7ad6..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/Manager.php +++ /dev/null @@ -1,529 +0,0 @@ -check($data) -> - * bool to implement your own session data validation. - * - * @package OpenID - */ -class Auth_Yadis_SessionLoader { - /** - * Override this. - * - * @access private - */ - function check($data) - { - return true; - } - - /** - * Given a session data value (an array), this creates an object - * (returned by $this->newObject()) whose attributes and values - * are those in $data. Returns null if $data lacks keys found in - * $this->requiredKeys(). Returns null if $this->check($data) - * evaluates to false. Returns null if $this->newObject() - * evaluates to false. - * - * @access private - */ - function fromSession($data) - { - if (!$data) { - return null; - } - - $required = $this->requiredKeys(); - - foreach ($required as $k) { - if (!array_key_exists($k, $data)) { - return null; - } - } - - if (!$this->check($data)) { - return null; - } - - $data = array_merge($data, $this->prepareForLoad($data)); - $obj = $this->newObject($data); - - if (!$obj) { - return null; - } - - foreach ($required as $k) { - $obj->$k = $data[$k]; - } - - return $obj; - } - - /** - * Prepares the data array by making any necessary changes. - * Returns an array whose keys and values will be used to update - * the original data array before calling $this->newObject($data). - * - * @access private - */ - function prepareForLoad($data) - { - return array(); - } - - /** - * Returns a new instance of this loader's class, using the - * session data to construct it if necessary. The object need - * only be created; $this->fromSession() will take care of setting - * the object's attributes. - * - * @access private - */ - function newObject($data) - { - return null; - } - - /** - * Returns an array of keys and values built from the attributes - * of $obj. If $this->prepareForSave($obj) returns an array, its keys - * and values are used to update the $data array of attributes - * from $obj. - * - * @access private - */ - function toSession($obj) - { - $data = array(); - foreach ($obj as $k => $v) { - $data[$k] = $v; - } - - $extra = $this->prepareForSave($obj); - - if ($extra && is_array($extra)) { - foreach ($extra as $k => $v) { - $data[$k] = $v; - } - } - - return $data; - } - - /** - * Override this. - * - * @access private - */ - function prepareForSave($obj) - { - return array(); - } -} - -/** - * A concrete loader implementation for Auth_OpenID_ServiceEndpoints. - * - * @package OpenID - */ -class Auth_OpenID_ServiceEndpointLoader extends Auth_Yadis_SessionLoader { - function newObject($data) - { - return new Auth_OpenID_ServiceEndpoint(); - } - - function requiredKeys() - { - $obj = new Auth_OpenID_ServiceEndpoint(); - $data = array(); - foreach ($obj as $k => $v) { - $data[] = $k; - } - return $data; - } - - function check($data) - { - return is_array($data['type_uris']); - } -} - -/** - * A concrete loader implementation for Auth_Yadis_Managers. - * - * @package OpenID - */ -class Auth_Yadis_ManagerLoader extends Auth_Yadis_SessionLoader { - function requiredKeys() - { - return array('starting_url', - 'yadis_url', - 'services', - 'session_key', - '_current', - 'stale'); - } - - function newObject($data) - { - return new Auth_Yadis_Manager($data['starting_url'], - $data['yadis_url'], - $data['services'], - $data['session_key']); - } - - function check($data) - { - return is_array($data['services']); - } - - function prepareForLoad($data) - { - $loader = new Auth_OpenID_ServiceEndpointLoader(); - $services = array(); - foreach ($data['services'] as $s) { - $services[] = $loader->fromSession($s); - } - return array('services' => $services); - } - - function prepareForSave($obj) - { - $loader = new Auth_OpenID_ServiceEndpointLoader(); - $services = array(); - foreach ($obj->services as $s) { - $services[] = $loader->toSession($s); - } - return array('services' => $services); - } -} - -/** - * The Yadis service manager which stores state in a session and - * iterates over elements in a Yadis XRDS document and lets - * a caller attempt to use each one. This is used by the Yadis - * library internally. - * - * @package OpenID - */ -class Auth_Yadis_Manager { - - /** - * Intialize a new yadis service manager. - * - * @access private - */ - function Auth_Yadis_Manager($starting_url, $yadis_url, - $services, $session_key) - { - // The URL that was used to initiate the Yadis protocol - $this->starting_url = $starting_url; - - // The URL after following redirects (the identifier) - $this->yadis_url = $yadis_url; - - // List of service elements - $this->services = $services; - - $this->session_key = $session_key; - - // Reference to the current service object - $this->_current = null; - - // Stale flag for cleanup if PHP lib has trouble. - $this->stale = false; - } - - /** - * @access private - */ - function length() - { - // How many untried services remain? - return count($this->services); - } - - /** - * Return the next service - * - * $this->current() will continue to return that service until the - * next call to this method. - */ - function nextService() - { - - if ($this->services) { - $this->_current = array_shift($this->services); - } else { - $this->_current = null; - } - - return $this->_current; - } - - /** - * @access private - */ - function current() - { - // Return the current service. - // Returns None if there are no services left. - return $this->_current; - } - - /** - * @access private - */ - function forURL($url) - { - return in_array($url, array($this->starting_url, $this->yadis_url)); - } - - /** - * @access private - */ - function started() - { - // Has the first service been returned? - return $this->_current !== null; - } -} - -/** - * State management for discovery. - * - * High-level usage pattern is to call .getNextService(discover) in - * order to find the next available service for this user for this - * session. Once a request completes, call .cleanup() to clean up the - * session state. - * - * @package OpenID - */ -class Auth_Yadis_Discovery { - - /** - * @access private - */ - var $DEFAULT_SUFFIX = 'auth'; - - /** - * @access private - */ - var $PREFIX = '_yadis_services_'; - - /** - * Initialize a discovery object. - * - * @param Auth_Yadis_PHPSession $session An object which - * implements the Auth_Yadis_PHPSession API. - * @param string $url The URL on which to attempt discovery. - * @param string $session_key_suffix The optional session key - * suffix override. - */ - function Auth_Yadis_Discovery(&$session, $url, - $session_key_suffix = null) - { - /// Initialize a discovery object - $this->session =& $session; - $this->url = $url; - if ($session_key_suffix === null) { - $session_key_suffix = $this->DEFAULT_SUFFIX; - } - - $this->session_key_suffix = $session_key_suffix; - $this->session_key = $this->PREFIX . $this->session_key_suffix; - } - - /** - * Return the next authentication service for the pair of - * user_input and session. This function handles fallback. - */ - function getNextService($discover_cb, &$fetcher) - { - $manager = $this->getManager(); - if (!$manager || (!$manager->services)) { - $this->destroyManager(); - - list($yadis_url, $services) = call_user_func($discover_cb, - $this->url, - $fetcher); - - $manager = $this->createManager($services, $yadis_url); - } - - if ($manager) { - $loader = new Auth_Yadis_ManagerLoader(); - $service = $manager->nextService(); - $this->session->set($this->session_key, - serialize($loader->toSession($manager))); - } else { - $service = null; - } - - return $service; - } - - /** - * Clean up Yadis-related services in the session and return the - * most-recently-attempted service from the manager, if one - * exists. - * - * @param $force True if the manager should be deleted regardless - * of whether it's a manager for $this->url. - */ - function cleanup($force=false) - { - $manager = $this->getManager($force); - if ($manager) { - $service = $manager->current(); - $this->destroyManager($force); - } else { - $service = null; - } - - return $service; - } - - /** - * @access private - */ - function getSessionKey() - { - // Get the session key for this starting URL and suffix - return $this->PREFIX . $this->session_key_suffix; - } - - /** - * @access private - * - * @param $force True if the manager should be returned regardless - * of whether it's a manager for $this->url. - */ - function &getManager($force=false) - { - // Extract the YadisServiceManager for this object's URL and - // suffix from the session. - - $manager_str = $this->session->get($this->getSessionKey()); - $manager = null; - - if ($manager_str !== null) { - $loader = new Auth_Yadis_ManagerLoader(); - $manager = $loader->fromSession(unserialize($manager_str)); - } - - if ($manager && ($manager->forURL($this->url) || $force)) { - return $manager; - } else { - $unused = null; - return $unused; - } - } - - /** - * @access private - */ - function &createManager($services, $yadis_url = null) - { - $key = $this->getSessionKey(); - if ($this->getManager()) { - return $this->getManager(); - } - - if ($services) { - $loader = new Auth_Yadis_ManagerLoader(); - $manager = new Auth_Yadis_Manager($this->url, $yadis_url, - $services, $key); - $this->session->set($this->session_key, - serialize($loader->toSession($manager))); - return $manager; - } else { - // Oh, PHP. - $unused = null; - return $unused; - } - } - - /** - * @access private - * - * @param $force True if the manager should be deleted regardless - * of whether it's a manager for $this->url. - */ - function destroyManager($force=false) - { - if ($this->getManager($force) !== null) { - $key = $this->getSessionKey(); - $this->session->del($key); - } - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/Misc.php b/_darcs/pristine/extlib/Auth/Yadis/Misc.php deleted file mode 100644 index 1134a4ff4..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/Misc.php +++ /dev/null @@ -1,59 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -function Auth_Yadis_getUCSChars() -{ - return array( - array(0xA0, 0xD7FF), - array(0xF900, 0xFDCF), - array(0xFDF0, 0xFFEF), - array(0x10000, 0x1FFFD), - array(0x20000, 0x2FFFD), - array(0x30000, 0x3FFFD), - array(0x40000, 0x4FFFD), - array(0x50000, 0x5FFFD), - array(0x60000, 0x6FFFD), - array(0x70000, 0x7FFFD), - array(0x80000, 0x8FFFD), - array(0x90000, 0x9FFFD), - array(0xA0000, 0xAFFFD), - array(0xB0000, 0xBFFFD), - array(0xC0000, 0xCFFFD), - array(0xD0000, 0xDFFFD), - array(0xE1000, 0xEFFFD) - ); -} - -function Auth_Yadis_getIPrivateChars() -{ - return array( - array(0xE000, 0xF8FF), - array(0xF0000, 0xFFFFD), - array(0x100000, 0x10FFFD) - ); -} - -function Auth_Yadis_pct_escape_unicode($char_match) -{ - $c = $char_match[0]; - $result = ""; - for ($i = 0; $i < strlen($c); $i++) { - $result .= "%".sprintf("%X", ord($c[$i])); - } - return $result; -} - -function Auth_Yadis_startswith($s, $stuff) -{ - return strpos($s, $stuff) === 0; -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/ParanoidHTTPFetcher.php b/_darcs/pristine/extlib/Auth/Yadis/ParanoidHTTPFetcher.php deleted file mode 100644 index 8975d7f89..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/ParanoidHTTPFetcher.php +++ /dev/null @@ -1,228 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * Interface import - */ -require_once "Auth/Yadis/HTTPFetcher.php"; - -require_once "Auth/OpenID.php"; - -/** - * A paranoid {@link Auth_Yadis_HTTPFetcher} class which uses CURL - * for fetching. - * - * @package OpenID - */ -class Auth_Yadis_ParanoidHTTPFetcher extends Auth_Yadis_HTTPFetcher { - function Auth_Yadis_ParanoidHTTPFetcher() - { - $this->reset(); - } - - function reset() - { - $this->headers = array(); - $this->data = ""; - } - - /** - * @access private - */ - function _writeHeader($ch, $header) - { - array_push($this->headers, rtrim($header)); - return strlen($header); - } - - /** - * @access private - */ - function _writeData($ch, $data) - { - if (strlen($this->data) > 1024*Auth_OpenID_FETCHER_MAX_RESPONSE_KB) { - return 0; - } else { - $this->data .= $data; - return strlen($data); - } - } - - /** - * Does this fetcher support SSL URLs? - */ - function supportsSSL() - { - $v = curl_version(); - if(is_array($v)) { - return in_array('https', $v['protocols']); - } elseif (is_string($v)) { - return preg_match('/OpenSSL/i', $v); - } else { - return 0; - } - } - - function get($url, $extra_headers = null) - { - if (!$this->canFetchURL($url)) { - return null; - } - - $stop = time() + $this->timeout; - $off = $this->timeout; - - $redir = true; - - while ($redir && ($off > 0)) { - $this->reset(); - - $c = curl_init(); - - if ($c === false) { - Auth_OpenID::log( - "curl_init returned false; could not " . - "initialize for URL '%s'", $url); - return null; - } - - if (defined('CURLOPT_NOSIGNAL')) { - curl_setopt($c, CURLOPT_NOSIGNAL, true); - } - - if (!$this->allowedURL($url)) { - Auth_OpenID::log("Fetching URL not allowed: %s", - $url); - return null; - } - - curl_setopt($c, CURLOPT_WRITEFUNCTION, - array(&$this, "_writeData")); - curl_setopt($c, CURLOPT_HEADERFUNCTION, - array(&$this, "_writeHeader")); - - if ($extra_headers) { - curl_setopt($c, CURLOPT_HTTPHEADER, $extra_headers); - } - - $cv = curl_version(); - if(is_array($cv)) { - $curl_user_agent = 'curl/'.$cv['version']; - } else { - $curl_user_agent = $cv; - } - curl_setopt($c, CURLOPT_USERAGENT, - Auth_OpenID_USER_AGENT.' '.$curl_user_agent); - curl_setopt($c, CURLOPT_TIMEOUT, $off); - curl_setopt($c, CURLOPT_URL, $url); - curl_setopt($c, CURLOPT_RANGE, - "0-".(1024 * Auth_OpenID_FETCHER_MAX_RESPONSE_KB)); - - curl_exec($c); - - $code = curl_getinfo($c, CURLINFO_HTTP_CODE); - $body = $this->data; - $headers = $this->headers; - - if (!$code) { - Auth_OpenID::log("Got no response code when fetching %s", $url); - Auth_OpenID::log("CURL error (%s): %s", - curl_errno($c), curl_error($c)); - return null; - } - - if (in_array($code, array(301, 302, 303, 307))) { - $url = $this->_findRedirect($headers); - $redir = true; - } else { - $redir = false; - curl_close($c); - - $new_headers = array(); - - foreach ($headers as $header) { - if (strpos($header, ': ')) { - list($name, $value) = explode(': ', $header, 2); - $new_headers[$name] = $value; - } - } - - Auth_OpenID::log( - "Successfully fetched '%s': GET response code %s", - $url, $code); - - return new Auth_Yadis_HTTPResponse($url, $code, - $new_headers, $body); - } - - $off = $stop - time(); - } - - return null; - } - - function post($url, $body, $extra_headers = null) - { - if (!$this->canFetchURL($url)) { - return null; - } - - $this->reset(); - - $c = curl_init(); - - if (defined('CURLOPT_NOSIGNAL')) { - curl_setopt($c, CURLOPT_NOSIGNAL, true); - } - - curl_setopt($c, CURLOPT_POST, true); - curl_setopt($c, CURLOPT_POSTFIELDS, $body); - curl_setopt($c, CURLOPT_TIMEOUT, $this->timeout); - curl_setopt($c, CURLOPT_URL, $url); - curl_setopt($c, CURLOPT_WRITEFUNCTION, - array(&$this, "_writeData")); - - curl_exec($c); - - $code = curl_getinfo($c, CURLINFO_HTTP_CODE); - - if (!$code) { - Auth_OpenID::log("Got no response code when fetching %s", $url); - return null; - } - - $body = $this->data; - - curl_close($c); - - $new_headers = $extra_headers; - - foreach ($this->headers as $header) { - if (strpos($header, ': ')) { - list($name, $value) = explode(': ', $header, 2); - $new_headers[$name] = $value; - } - - } - - Auth_OpenID::log("Successfully fetched '%s': POST response code %s", - $url, $code); - - return new Auth_Yadis_HTTPResponse($url, $code, - $new_headers, $body); - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/ParseHTML.php b/_darcs/pristine/extlib/Auth/Yadis/ParseHTML.php deleted file mode 100644 index 297ccbd2c..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/ParseHTML.php +++ /dev/null @@ -1,259 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * This class is responsible for scanning an HTML string to find META - * tags and their attributes. This is used by the Yadis discovery - * process. This class must be instantiated to be used. - * - * @package OpenID - */ -class Auth_Yadis_ParseHTML { - - /** - * @access private - */ - var $_re_flags = "si"; - - /** - * @access private - */ - var $_removed_re = - "||]*>.*?<\/script>"; - - /** - * @access private - */ - var $_tag_expr = "<%s%s(?:\s.*?)?%s>"; - - /** - * @access private - */ - var $_attr_find = '\b([-\w]+)=(".*?"|\'.*?\'|.+?)[\/\s>]'; - - function Auth_Yadis_ParseHTML() - { - $this->_attr_find = sprintf("/%s/%s", - $this->_attr_find, - $this->_re_flags); - - $this->_removed_re = sprintf("/%s/%s", - $this->_removed_re, - $this->_re_flags); - - $this->_entity_replacements = array( - 'amp' => '&', - 'lt' => '<', - 'gt' => '>', - 'quot' => '"' - ); - - $this->_ent_replace = - sprintf("&(%s);", implode("|", - $this->_entity_replacements)); - } - - /** - * Replace HTML entities (amp, lt, gt, and quot) as well as - * numeric entities (e.g. #x9f;) with their actual values and - * return the new string. - * - * @access private - * @param string $str The string in which to look for entities - * @return string $new_str The new string entities decoded - */ - function replaceEntities($str) - { - foreach ($this->_entity_replacements as $old => $new) { - $str = preg_replace(sprintf("/&%s;/", $old), $new, $str); - } - - // Replace numeric entities because html_entity_decode doesn't - // do it for us. - $str = preg_replace('~&#x([0-9a-f]+);~ei', 'chr(hexdec("\\1"))', $str); - $str = preg_replace('~&#([0-9]+);~e', 'chr(\\1)', $str); - - return $str; - } - - /** - * Strip single and double quotes off of a string, if they are - * present. - * - * @access private - * @param string $str The original string - * @return string $new_str The new string with leading and - * trailing quotes removed - */ - function removeQuotes($str) - { - $matches = array(); - $double = '/^"(.*)"$/'; - $single = "/^\'(.*)\'$/"; - - if (preg_match($double, $str, $matches)) { - return $matches[1]; - } else if (preg_match($single, $str, $matches)) { - return $matches[1]; - } else { - return $str; - } - } - - /** - * Create a regular expression that will match an opening - * or closing tag from a set of names. - * - * @access private - * @param mixed $tag_names Tag names to match - * @param mixed $close false/0 = no, true/1 = yes, other = maybe - * @param mixed $self_close false/0 = no, true/1 = yes, other = maybe - * @return string $regex A regular expression string to be used - * in, say, preg_match. - */ - function tagPattern($tag_names, $close, $self_close) - { - if (is_array($tag_names)) { - $tag_names = '(?:'.implode('|',$tag_names).')'; - } - if ($close) { - $close = '\/' . (($close == 1)? '' : '?'); - } else { - $close = ''; - } - if ($self_close) { - $self_close = '(?:\/\s*)' . (($self_close == 1)? '' : '?'); - } else { - $self_close = ''; - } - $expr = sprintf($this->_tag_expr, $close, $tag_names, $self_close); - - return sprintf("/%s/%s", $expr, $this->_re_flags); - } - - /** - * Given an HTML document string, this finds all the META tags in - * the document, provided they are found in the - * ... section of the document. The tag - * may be missing. - * - * @access private - * @param string $html_string An HTMl document string - * @return array $tag_list Array of tags; each tag is an array of - * attribute -> value. - */ - function getMetaTags($html_string) - { - $html_string = preg_replace($this->_removed_re, - "", - $html_string); - - $key_tags = array($this->tagPattern('html', false, false), - $this->tagPattern('head', false, false), - $this->tagPattern('head', true, false), - $this->tagPattern('html', true, false), - $this->tagPattern(array( - 'body', 'frameset', 'frame', 'p', 'div', - 'table','span','a'), 'maybe', 'maybe')); - $key_tags_pos = array(); - foreach ($key_tags as $pat) { - $matches = array(); - preg_match($pat, $html_string, $matches, PREG_OFFSET_CAPTURE); - if($matches) { - $key_tags_pos[] = $matches[0][1]; - } else { - $key_tags_pos[] = null; - } - } - // no opening head tag - if (is_null($key_tags_pos[1])) { - return array(); - } - // the effective is the min of the following - if (is_null($key_tags_pos[2])) { - $key_tags_pos[2] = strlen($html_string); - } - foreach (array($key_tags_pos[3], $key_tags_pos[4]) as $pos) { - if (!is_null($pos) && $pos < $key_tags_pos[2]) { - $key_tags_pos[2] = $pos; - } - } - // closing head tag comes before opening head tag - if ($key_tags_pos[1] > $key_tags_pos[2]) { - return array(); - } - // if there is an opening html tag, make sure the opening head tag - // comes after it - if (!is_null($key_tags_pos[0]) && $key_tags_pos[1] < $key_tags_pos[0]) { - return array(); - } - $html_string = substr($html_string, $key_tags_pos[1], - ($key_tags_pos[2]-$key_tags_pos[1])); - - $link_data = array(); - $link_matches = array(); - - if (!preg_match_all($this->tagPattern('meta', false, 'maybe'), - $html_string, $link_matches)) { - return array(); - } - - foreach ($link_matches[0] as $link) { - $attr_matches = array(); - preg_match_all($this->_attr_find, $link, $attr_matches); - $link_attrs = array(); - foreach ($attr_matches[0] as $index => $full_match) { - $name = $attr_matches[1][$index]; - $value = $this->replaceEntities( - $this->removeQuotes($attr_matches[2][$index])); - - $link_attrs[strtolower($name)] = $value; - } - $link_data[] = $link_attrs; - } - - return $link_data; - } - - /** - * Looks for a META tag with an "http-equiv" attribute whose value - * is one of ("x-xrds-location", "x-yadis-location"), ignoring - * case. If such a META tag is found, its "content" attribute - * value is returned. - * - * @param string $html_string An HTML document in string format - * @return mixed $content The "content" attribute value of the - * META tag, if found, or null if no such tag was found. - */ - function getHTTPEquiv($html_string) - { - $meta_tags = $this->getMetaTags($html_string); - - if ($meta_tags) { - foreach ($meta_tags as $tag) { - if (array_key_exists('http-equiv', $tag) && - (in_array(strtolower($tag['http-equiv']), - array('x-xrds-location', 'x-yadis-location'))) && - array_key_exists('content', $tag)) { - return $tag['content']; - } - } - } - - return null; - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/PlainHTTPFetcher.php b/_darcs/pristine/extlib/Auth/Yadis/PlainHTTPFetcher.php deleted file mode 100644 index 8882e3cef..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/PlainHTTPFetcher.php +++ /dev/null @@ -1,251 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * Interface import - */ -require_once "Auth/Yadis/HTTPFetcher.php"; - -/** - * This class implements a plain, hand-built socket-based fetcher - * which will be used in the event that CURL is unavailable. - * - * @package OpenID - */ -class Auth_Yadis_PlainHTTPFetcher extends Auth_Yadis_HTTPFetcher { - /** - * Does this fetcher support SSL URLs? - */ - function supportsSSL() - { - return function_exists('openssl_open'); - } - - function get($url, $extra_headers = null) - { - if (!$this->canFetchURL($url)) { - return null; - } - - $redir = true; - - $stop = time() + $this->timeout; - $off = $this->timeout; - - while ($redir && ($off > 0)) { - - $parts = parse_url($url); - - $specify_port = true; - - // Set a default port. - if (!array_key_exists('port', $parts)) { - $specify_port = false; - if ($parts['scheme'] == 'http') { - $parts['port'] = 80; - } elseif ($parts['scheme'] == 'https') { - $parts['port'] = 443; - } else { - return null; - } - } - - if (!array_key_exists('path', $parts)) { - $parts['path'] = '/'; - } - - $host = $parts['host']; - - if ($parts['scheme'] == 'https') { - $host = 'ssl://' . $host; - } - - $user_agent = Auth_OpenID_USER_AGENT; - - $headers = array( - "GET ".$parts['path']. - (array_key_exists('query', $parts) ? - "?".$parts['query'] : ""). - " HTTP/1.0", - "User-Agent: $user_agent", - "Host: ".$parts['host']. - ($specify_port ? ":".$parts['port'] : ""), - "Range: 0-". - (1024*Auth_OpenID_FETCHER_MAX_RESPONSE_KB), - "Port: ".$parts['port']); - - $errno = 0; - $errstr = ''; - - if ($extra_headers) { - foreach ($extra_headers as $h) { - $headers[] = $h; - } - } - - @$sock = fsockopen($host, $parts['port'], $errno, $errstr, - $this->timeout); - if ($sock === false) { - return false; - } - - stream_set_timeout($sock, $this->timeout); - - fputs($sock, implode("\r\n", $headers) . "\r\n\r\n"); - - $data = ""; - $kilobytes = 0; - while (!feof($sock) && - $kilobytes < Auth_OpenID_FETCHER_MAX_RESPONSE_KB ) { - $data .= fgets($sock, 1024); - $kilobytes += 1; - } - - fclose($sock); - - // Split response into header and body sections - list($headers, $body) = explode("\r\n\r\n", $data, 2); - $headers = explode("\r\n", $headers); - - $http_code = explode(" ", $headers[0]); - $code = $http_code[1]; - - if (in_array($code, array('301', '302'))) { - $url = $this->_findRedirect($headers); - $redir = true; - } else { - $redir = false; - } - - $off = $stop - time(); - } - - $new_headers = array(); - - foreach ($headers as $header) { - if (preg_match("/:/", $header)) { - $parts = explode(": ", $header, 2); - - if (count($parts) == 2) { - list($name, $value) = $parts; - $new_headers[$name] = $value; - } - } - - } - - return new Auth_Yadis_HTTPResponse($url, $code, $new_headers, $body); - } - - function post($url, $body, $extra_headers = null) - { - if (!$this->canFetchURL($url)) { - return null; - } - - $parts = parse_url($url); - - $headers = array(); - - $post_path = $parts['path']; - if (isset($parts['query'])) { - $post_path .= '?' . $parts['query']; - } - - $headers[] = "POST ".$post_path." HTTP/1.0"; - $headers[] = "Host: " . $parts['host']; - $headers[] = "Content-type: application/x-www-form-urlencoded"; - $headers[] = "Content-length: " . strval(strlen($body)); - - if ($extra_headers && - is_array($extra_headers)) { - $headers = array_merge($headers, $extra_headers); - } - - // Join all headers together. - $all_headers = implode("\r\n", $headers); - - // Add headers, two newlines, and request body. - $request = $all_headers . "\r\n\r\n" . $body; - - // Set a default port. - if (!array_key_exists('port', $parts)) { - if ($parts['scheme'] == 'http') { - $parts['port'] = 80; - } elseif ($parts['scheme'] == 'https') { - $parts['port'] = 443; - } else { - return null; - } - } - - if ($parts['scheme'] == 'https') { - $parts['host'] = sprintf("ssl://%s", $parts['host']); - } - - // Connect to the remote server. - $errno = 0; - $errstr = ''; - - $sock = fsockopen($parts['host'], $parts['port'], $errno, $errstr, - $this->timeout); - - if ($sock === false) { - return null; - } - - stream_set_timeout($sock, $this->timeout); - - // Write the POST request. - fputs($sock, $request); - - // Get the response from the server. - $response = ""; - while (!feof($sock)) { - if ($data = fgets($sock, 128)) { - $response .= $data; - } else { - break; - } - } - - // Split the request into headers and body. - list($headers, $response_body) = explode("\r\n\r\n", $response, 2); - - $headers = explode("\r\n", $headers); - - // Expect the first line of the headers data to be something - // like HTTP/1.1 200 OK. Split the line on spaces and take - // the second token, which should be the return code. - $http_code = explode(" ", $headers[0]); - $code = $http_code[1]; - - $new_headers = array(); - - foreach ($headers as $header) { - if (preg_match("/:/", $header)) { - list($name, $value) = explode(": ", $header, 2); - $new_headers[$name] = $value; - } - - } - - return new Auth_Yadis_HTTPResponse($url, $code, - $new_headers, $response_body); - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/XML.php b/_darcs/pristine/extlib/Auth/Yadis/XML.php deleted file mode 100644 index 4854f12bb..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/XML.php +++ /dev/null @@ -1,374 +0,0 @@ - $ns_uri) - * to be registered with the XML parser. May be empty. - * @return boolean $result True if the initialization and - * namespace registration(s) succeeded; false otherwise. - */ - function init($xml_string, $namespace_map) - { - if (!$this->setXML($xml_string)) { - return false; - } - - foreach ($namespace_map as $prefix => $uri) { - if (!$this->registerNamespace($prefix, $uri)) { - return false; - } - } - - return true; - } - - /** - * Register a namespace with the XML parser. This should be - * overridden by subclasses. - * - * @param string $prefix The namespace prefix to appear in XML tag - * names. - * - * @param string $uri The namespace URI to be used to identify the - * namespace in the XML. - * - * @return boolean $result True if the registration succeeded; - * false otherwise. - */ - function registerNamespace($prefix, $uri) - { - // Not implemented. - } - - /** - * Set this parser object's XML payload. This should be - * overridden by subclasses. - * - * @param string $xml_string The XML string to pass to this - * object's XML parser. - * - * @return boolean $result True if the initialization succeeded; - * false otherwise. - */ - function setXML($xml_string) - { - // Not implemented. - } - - /** - * Evaluate an XPath expression and return the resulting node - * list. This should be overridden by subclasses. - * - * @param string $xpath The XPath expression to be evaluated. - * - * @param mixed $node A node object resulting from a previous - * evalXPath call. This node, if specified, provides the context - * for the evaluation of this xpath expression. - * - * @return array $node_list An array of matching opaque node - * objects to be used with other methods of this parser class. - */ - function evalXPath($xpath, $node = null) - { - // Not implemented. - } - - /** - * Return the textual content of a specified node. - * - * @param mixed $node A node object from a previous call to - * $this->evalXPath(). - * - * @return string $content The content of this node. - */ - function content($node) - { - // Not implemented. - } - - /** - * Return the attributes of a specified node. - * - * @param mixed $node A node object from a previous call to - * $this->evalXPath(). - * - * @return array $attrs An array mapping attribute names to - * values. - */ - function attributes($node) - { - // Not implemented. - } -} - -/** - * This concrete implementation of Auth_Yadis_XMLParser implements - * the appropriate API for the 'domxml' extension which is typically - * packaged with PHP 4. This class will be used whenever the 'domxml' - * extension is detected. See the Auth_Yadis_XMLParser class for - * details on this class's methods. - * - * @package OpenID - */ -class Auth_Yadis_domxml extends Auth_Yadis_XMLParser { - function Auth_Yadis_domxml() - { - $this->xml = null; - $this->doc = null; - $this->xpath = null; - $this->errors = array(); - } - - function setXML($xml_string) - { - $this->xml = $xml_string; - $this->doc = @domxml_open_mem($xml_string, DOMXML_LOAD_PARSING, - $this->errors); - - if (!$this->doc) { - return false; - } - - $this->xpath = $this->doc->xpath_new_context(); - - return true; - } - - function registerNamespace($prefix, $uri) - { - return xpath_register_ns($this->xpath, $prefix, $uri); - } - - function &evalXPath($xpath, $node = null) - { - if ($node) { - $result = @$this->xpath->xpath_eval($xpath, $node); - } else { - $result = @$this->xpath->xpath_eval($xpath); - } - - if (!$result) { - $n = array(); - return $n; - } - - if (!$result->nodeset) { - $n = array(); - return $n; - } - - return $result->nodeset; - } - - function content($node) - { - if ($node) { - return $node->get_content(); - } - } - - function attributes($node) - { - if ($node) { - $arr = $node->attributes(); - $result = array(); - - if ($arr) { - foreach ($arr as $attrnode) { - $result[$attrnode->name] = $attrnode->value; - } - } - - return $result; - } - } -} - -/** - * This concrete implementation of Auth_Yadis_XMLParser implements - * the appropriate API for the 'dom' extension which is typically - * packaged with PHP 5. This class will be used whenever the 'dom' - * extension is detected. See the Auth_Yadis_XMLParser class for - * details on this class's methods. - * - * @package OpenID - */ -class Auth_Yadis_dom extends Auth_Yadis_XMLParser { - function Auth_Yadis_dom() - { - $this->xml = null; - $this->doc = null; - $this->xpath = null; - $this->errors = array(); - } - - function setXML($xml_string) - { - $this->xml = $xml_string; - $this->doc = new DOMDocument; - - if (!$this->doc) { - return false; - } - - if (!@$this->doc->loadXML($xml_string)) { - return false; - } - - $this->xpath = new DOMXPath($this->doc); - - if ($this->xpath) { - return true; - } else { - return false; - } - } - - function registerNamespace($prefix, $uri) - { - return $this->xpath->registerNamespace($prefix, $uri); - } - - function &evalXPath($xpath, $node = null) - { - if ($node) { - $result = @$this->xpath->query($xpath, $node); - } else { - $result = @$this->xpath->query($xpath); - } - - $n = array(); - - if (!$result) { - return $n; - } - - for ($i = 0; $i < $result->length; $i++) { - $n[] = $result->item($i); - } - - return $n; - } - - function content($node) - { - if ($node) { - return $node->textContent; - } - } - - function attributes($node) - { - if ($node) { - $arr = $node->attributes; - $result = array(); - - if ($arr) { - for ($i = 0; $i < $arr->length; $i++) { - $node = $arr->item($i); - $result[$node->nodeName] = $node->nodeValue; - } - } - - return $result; - } - } -} - -global $__Auth_Yadis_defaultParser; -$__Auth_Yadis_defaultParser = null; - -/** - * Set a default parser to override the extension-driven selection of - * available parser classes. This is helpful in a test environment or - * one in which multiple parsers can be used but one is more - * desirable. - * - * @param Auth_Yadis_XMLParser $parser An instance of a - * Auth_Yadis_XMLParser subclass. - */ -function Auth_Yadis_setDefaultParser(&$parser) -{ - global $__Auth_Yadis_defaultParser; - $__Auth_Yadis_defaultParser =& $parser; -} - -function Auth_Yadis_getSupportedExtensions() -{ - return array( - 'dom' => array('classname' => 'Auth_Yadis_dom', - 'libname' => array('dom.so', 'dom.dll')), - 'domxml' => array('classname' => 'Auth_Yadis_domxml', - 'libname' => array('domxml.so', 'php_domxml.dll')), - ); -} - -/** - * Returns an instance of a Auth_Yadis_XMLParser subclass based on - * the availability of PHP extensions for XML parsing. If - * Auth_Yadis_setDefaultParser has been called, the parser used in - * that call will be returned instead. - */ -function &Auth_Yadis_getXMLParser() -{ - global $__Auth_Yadis_defaultParser; - - if (isset($__Auth_Yadis_defaultParser)) { - return $__Auth_Yadis_defaultParser; - } - - $p = null; - $classname = null; - - $extensions = Auth_Yadis_getSupportedExtensions(); - - // Return a wrapper for the resident implementation, if any. - foreach ($extensions as $name => $params) { - if (!extension_loaded($name)) { - foreach ($params['libname'] as $libname) { - if (@dl($libname)) { - $classname = $params['classname']; - } - } - } else { - $classname = $params['classname']; - } - if (isset($classname)) { - $p = new $classname(); - return $p; - } - } - - if (!isset($p)) { - trigger_error('No XML parser was found', E_USER_ERROR); - } else { - Auth_Yadis_setDefaultParser($p); - } - - return $p; -} - -?> diff --git a/_darcs/pristine/extlib/Auth/Yadis/XRDS.php b/_darcs/pristine/extlib/Auth/Yadis/XRDS.php deleted file mode 100644 index f14a7948e..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/XRDS.php +++ /dev/null @@ -1,478 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * Require the XPath implementation. - */ -require_once 'Auth/Yadis/XML.php'; - -/** - * This match mode means a given service must match ALL filters passed - * to the Auth_Yadis_XRDS::services() call. - */ -define('SERVICES_YADIS_MATCH_ALL', 101); - -/** - * This match mode means a given service must match ANY filters (at - * least one) passed to the Auth_Yadis_XRDS::services() call. - */ -define('SERVICES_YADIS_MATCH_ANY', 102); - -/** - * The priority value used for service elements with no priority - * specified. - */ -define('SERVICES_YADIS_MAX_PRIORITY', pow(2, 30)); - -/** - * XRD XML namespace - */ -define('Auth_Yadis_XMLNS_XRD_2_0', 'xri://$xrd*($v*2.0)'); - -/** - * XRDS XML namespace - */ -define('Auth_Yadis_XMLNS_XRDS', 'xri://$xrds'); - -function Auth_Yadis_getNSMap() -{ - return array('xrds' => Auth_Yadis_XMLNS_XRDS, - 'xrd' => Auth_Yadis_XMLNS_XRD_2_0); -} - -/** - * @access private - */ -function Auth_Yadis_array_scramble($arr) -{ - $result = array(); - - while (count($arr)) { - $index = array_rand($arr, 1); - $result[] = $arr[$index]; - unset($arr[$index]); - } - - return $result; -} - -/** - * This class represents a element in an XRDS document. - * Objects of this type are returned by - * Auth_Yadis_XRDS::services() and - * Auth_Yadis_Yadis::services(). Each object corresponds directly - * to a element in the XRDS and supplies a - * getElements($name) method which you should use to inspect the - * element's contents. See {@link Auth_Yadis_Yadis} for more - * information on the role this class plays in Yadis discovery. - * - * @package OpenID - */ -class Auth_Yadis_Service { - - /** - * Creates an empty service object. - */ - function Auth_Yadis_Service() - { - $this->element = null; - $this->parser = null; - } - - /** - * Return the URIs in the "Type" elements, if any, of this Service - * element. - * - * @return array $type_uris An array of Type URI strings. - */ - function getTypes() - { - $t = array(); - foreach ($this->getElements('xrd:Type') as $elem) { - $c = $this->parser->content($elem); - if ($c) { - $t[] = $c; - } - } - return $t; - } - - function matchTypes($type_uris) - { - $result = array(); - - foreach ($this->getTypes() as $typ) { - if (in_array($typ, $type_uris)) { - $result[] = $typ; - } - } - - return $result; - } - - /** - * Return the URIs in the "URI" elements, if any, of this Service - * element. The URIs are returned sorted in priority order. - * - * @return array $uris An array of URI strings. - */ - function getURIs() - { - $uris = array(); - $last = array(); - - foreach ($this->getElements('xrd:URI') as $elem) { - $uri_string = $this->parser->content($elem); - $attrs = $this->parser->attributes($elem); - if ($attrs && - array_key_exists('priority', $attrs)) { - $priority = intval($attrs['priority']); - if (!array_key_exists($priority, $uris)) { - $uris[$priority] = array(); - } - - $uris[$priority][] = $uri_string; - } else { - $last[] = $uri_string; - } - } - - $keys = array_keys($uris); - sort($keys); - - // Rebuild array of URIs. - $result = array(); - foreach ($keys as $k) { - $new_uris = Auth_Yadis_array_scramble($uris[$k]); - $result = array_merge($result, $new_uris); - } - - $result = array_merge($result, - Auth_Yadis_array_scramble($last)); - - return $result; - } - - /** - * Returns the "priority" attribute value of this - * element, if the attribute is present. Returns null if not. - * - * @return mixed $result Null or integer, depending on whether - * this Service element has a 'priority' attribute. - */ - function getPriority() - { - $attributes = $this->parser->attributes($this->element); - - if (array_key_exists('priority', $attributes)) { - return intval($attributes['priority']); - } - - return null; - } - - /** - * Used to get XML elements from this object's element. - * - * This is what you should use to get all custom information out - * of this element. This is used by service filter functions to - * determine whether a service element contains specific tags, - * etc. NOTE: this only considers elements which are direct - * children of the element for this object. - * - * @param string $name The name of the element to look for - * @return array $list An array of elements with the specified - * name which are direct children of the element. The - * nodes returned by this function can be passed to $this->parser - * methods (see {@link Auth_Yadis_XMLParser}). - */ - function getElements($name) - { - return $this->parser->evalXPath($name, $this->element); - } -} - -/* - * Return the expiration date of this XRD element, or None if no - * expiration was specified. - * - * @param $default The value to use as the expiration if no expiration - * was specified in the XRD. - */ -function Auth_Yadis_getXRDExpiration($xrd_element, $default=null) -{ - $expires_element = $xrd_element->$parser->evalXPath('/xrd:Expires'); - if ($expires_element === null) { - return $default; - } else { - $expires_string = $expires_element->text; - - // Will raise ValueError if the string is not the expected - // format - $t = strptime($expires_string, "%Y-%m-%dT%H:%M:%SZ"); - - if ($t === false) { - return false; - } - - // [int $hour [, int $minute [, int $second [, - // int $month [, int $day [, int $year ]]]]]] - return mktime($t['tm_hour'], $t['tm_min'], $t['tm_sec'], - $t['tm_mon'], $t['tm_day'], $t['tm_year']); - } -} - -/** - * This class performs parsing of XRDS documents. - * - * You should not instantiate this class directly; rather, call - * parseXRDS statically: - * - * 
  $xrds = Auth_Yadis_XRDS::parseXRDS($xml_string);
- * - * If the XRDS can be parsed and is valid, an instance of - * Auth_Yadis_XRDS will be returned. Otherwise, null will be - * returned. This class is used by the Auth_Yadis_Yadis::discover - * method. - * - * @package OpenID - */ -class Auth_Yadis_XRDS { - - /** - * Instantiate a Auth_Yadis_XRDS object. Requires an XPath - * instance which has been used to parse a valid XRDS document. - */ - function Auth_Yadis_XRDS(&$xmlParser, &$xrdNodes) - { - $this->parser =& $xmlParser; - $this->xrdNode = $xrdNodes[count($xrdNodes) - 1]; - $this->allXrdNodes =& $xrdNodes; - $this->serviceList = array(); - $this->_parse(); - } - - /** - * Parse an XML string (XRDS document) and return either a - * Auth_Yadis_XRDS object or null, depending on whether the - * XRDS XML is valid. - * - * @param string $xml_string An XRDS XML string. - * @return mixed $xrds An instance of Auth_Yadis_XRDS or null, - * depending on the validity of $xml_string - */ - function &parseXRDS($xml_string, $extra_ns_map = null) - { - $_null = null; - - if (!$xml_string) { - return $_null; - } - - $parser = Auth_Yadis_getXMLParser(); - - $ns_map = Auth_Yadis_getNSMap(); - - if ($extra_ns_map && is_array($extra_ns_map)) { - $ns_map = array_merge($ns_map, $extra_ns_map); - } - - if (!($parser && $parser->init($xml_string, $ns_map))) { - return $_null; - } - - // Try to get root element. - $root = $parser->evalXPath('/xrds:XRDS[1]'); - if (!$root) { - return $_null; - } - - if (is_array($root)) { - $root = $root[0]; - } - - $attrs = $parser->attributes($root); - - if (array_key_exists('xmlns:xrd', $attrs) && - $attrs['xmlns:xrd'] != Auth_Yadis_XMLNS_XRDS) { - return $_null; - } else if (array_key_exists('xmlns', $attrs) && - preg_match('/xri/', $attrs['xmlns']) && - $attrs['xmlns'] != Auth_Yadis_XMLNS_XRD_2_0) { - return $_null; - } - - // Get the last XRD node. - $xrd_nodes = $parser->evalXPath('/xrds:XRDS[1]/xrd:XRD'); - - if (!$xrd_nodes) { - return $_null; - } - - $xrds = new Auth_Yadis_XRDS($parser, $xrd_nodes); - return $xrds; - } - - /** - * @access private - */ - function _addService($priority, $service) - { - $priority = intval($priority); - - if (!array_key_exists($priority, $this->serviceList)) { - $this->serviceList[$priority] = array(); - } - - $this->serviceList[$priority][] = $service; - } - - /** - * Creates the service list using nodes from the XRDS XML - * document. - * - * @access private - */ - function _parse() - { - $this->serviceList = array(); - - $services = $this->parser->evalXPath('xrd:Service', $this->xrdNode); - - foreach ($services as $node) { - $s =& new Auth_Yadis_Service(); - $s->element = $node; - $s->parser =& $this->parser; - - $priority = $s->getPriority(); - - if ($priority === null) { - $priority = SERVICES_YADIS_MAX_PRIORITY; - } - - $this->_addService($priority, $s); - } - } - - /** - * Returns a list of service objects which correspond to - * elements in the XRDS XML document for this object. - * - * Optionally, an array of filter callbacks may be given to limit - * the list of returned service objects. Furthermore, the default - * mode is to return all service objects which match ANY of the - * specified filters, but $filter_mode may be - * SERVICES_YADIS_MATCH_ALL if you want to be sure that the - * returned services match all the given filters. See {@link - * Auth_Yadis_Yadis} for detailed usage information on filter - * functions. - * - * @param mixed $filters An array of callbacks to filter the - * returned services, or null if all services are to be returned. - * @param integer $filter_mode SERVICES_YADIS_MATCH_ALL or - * SERVICES_YADIS_MATCH_ANY, depending on whether the returned - * services should match ALL or ANY of the specified filters, - * respectively. - * @return mixed $services An array of {@link - * Auth_Yadis_Service} objects if $filter_mode is a valid - * mode; null if $filter_mode is an invalid mode (i.e., not - * SERVICES_YADIS_MATCH_ANY or SERVICES_YADIS_MATCH_ALL). - */ - function services($filters = null, - $filter_mode = SERVICES_YADIS_MATCH_ANY) - { - - $pri_keys = array_keys($this->serviceList); - sort($pri_keys, SORT_NUMERIC); - - // If no filters are specified, return the entire service - // list, ordered by priority. - if (!$filters || - (!is_array($filters))) { - - $result = array(); - foreach ($pri_keys as $pri) { - $result = array_merge($result, $this->serviceList[$pri]); - } - - return $result; - } - - // If a bad filter mode is specified, return null. - if (!in_array($filter_mode, array(SERVICES_YADIS_MATCH_ANY, - SERVICES_YADIS_MATCH_ALL))) { - return null; - } - - // Otherwise, use the callbacks in the filter list to - // determine which services are returned. - $filtered = array(); - - foreach ($pri_keys as $priority_value) { - $service_obj_list = $this->serviceList[$priority_value]; - - foreach ($service_obj_list as $service) { - - $matches = 0; - - foreach ($filters as $filter) { - if (call_user_func_array($filter, array($service))) { - $matches++; - - if ($filter_mode == SERVICES_YADIS_MATCH_ANY) { - $pri = $service->getPriority(); - if ($pri === null) { - $pri = SERVICES_YADIS_MAX_PRIORITY; - } - - if (!array_key_exists($pri, $filtered)) { - $filtered[$pri] = array(); - } - - $filtered[$pri][] = $service; - break; - } - } - } - - if (($filter_mode == SERVICES_YADIS_MATCH_ALL) && - ($matches == count($filters))) { - - $pri = $service->getPriority(); - if ($pri === null) { - $pri = SERVICES_YADIS_MAX_PRIORITY; - } - - if (!array_key_exists($pri, $filtered)) { - $filtered[$pri] = array(); - } - $filtered[$pri][] = $service; - } - } - } - - $pri_keys = array_keys($filtered); - sort($pri_keys, SORT_NUMERIC); - - $result = array(); - foreach ($pri_keys as $pri) { - $result = array_merge($result, $filtered[$pri]); - } - - return $result; - } -} - -?> \ No newline at end of file diff --git a/_darcs/pristine/extlib/Auth/Yadis/XRI.php b/_darcs/pristine/extlib/Auth/Yadis/XRI.php deleted file mode 100644 index 4e3462317..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/XRI.php +++ /dev/null @@ -1,234 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -require_once 'Auth/Yadis/Misc.php'; -require_once 'Auth/Yadis/Yadis.php'; -require_once 'Auth/OpenID.php'; - -function Auth_Yadis_getDefaultProxy() -{ - return 'http://xri.net/'; -} - -function Auth_Yadis_getXRIAuthorities() -{ - return array('!', '=', '@', '+', '$', '('); -} - -function Auth_Yadis_getEscapeRE() -{ - $parts = array(); - foreach (array_merge(Auth_Yadis_getUCSChars(), - Auth_Yadis_getIPrivateChars()) as $pair) { - list($m, $n) = $pair; - $parts[] = sprintf("%s-%s", chr($m), chr($n)); - } - - return sprintf('/[%s]/', implode('', $parts)); -} - -function Auth_Yadis_getXrefRE() -{ - return '/\((.*?)\)/'; -} - -function Auth_Yadis_identifierScheme($identifier) -{ - if (Auth_Yadis_startswith($identifier, 'xri://') || - ($identifier && - in_array($identifier[0], Auth_Yadis_getXRIAuthorities()))) { - return "XRI"; - } else { - return "URI"; - } -} - -function Auth_Yadis_toIRINormal($xri) -{ - if (!Auth_Yadis_startswith($xri, 'xri://')) { - $xri = 'xri://' . $xri; - } - - return Auth_Yadis_escapeForIRI($xri); -} - -function _escape_xref($xref_match) -{ - $xref = $xref_match[0]; - $xref = str_replace('/', '%2F', $xref); - $xref = str_replace('?', '%3F', $xref); - $xref = str_replace('#', '%23', $xref); - return $xref; -} - -function Auth_Yadis_escapeForIRI($xri) -{ - $xri = str_replace('%', '%25', $xri); - $xri = preg_replace_callback(Auth_Yadis_getXrefRE(), - '_escape_xref', $xri); - return $xri; -} - -function Auth_Yadis_toURINormal($xri) -{ - return Auth_Yadis_iriToURI(Auth_Yadis_toIRINormal($xri)); -} - -function Auth_Yadis_iriToURI($iri) -{ - if (1) { - return $iri; - } else { - // According to RFC 3987, section 3.1, "Mapping of IRIs to URIs" - return preg_replace_callback(Auth_Yadis_getEscapeRE(), - 'Auth_Yadis_pct_escape_unicode', $iri); - } -} - - -function Auth_Yadis_XRIAppendArgs($url, $args) -{ - // Append some arguments to an HTTP query. Yes, this is just like - // OpenID's appendArgs, but with special seasoning for XRI - // queries. - - if (count($args) == 0) { - return $url; - } - - // Non-empty array; if it is an array of arrays, use multisort; - // otherwise use sort. - if (array_key_exists(0, $args) && - is_array($args[0])) { - // Do nothing here. - } else { - $keys = array_keys($args); - sort($keys); - $new_args = array(); - foreach ($keys as $key) { - $new_args[] = array($key, $args[$key]); - } - $args = $new_args; - } - - // According to XRI Resolution section "QXRI query parameters": - // - // "If the original QXRI had a null query component (only a - // leading question mark), or a query component consisting of - // only question marks, one additional leading question mark MUST - // be added when adding any XRI resolution parameters." - if (strpos(rtrim($url, '?'), '?') !== false) { - $sep = '&'; - } else { - $sep = '?'; - } - - return $url . $sep . Auth_OpenID::httpBuildQuery($args); -} - -function Auth_Yadis_providerIsAuthoritative($providerID, $canonicalID) -{ - $lastbang = strrpos($canonicalID, '!'); - $p = substr($canonicalID, 0, $lastbang); - return $p == $providerID; -} - -function Auth_Yadis_rootAuthority($xri) -{ - // Return the root authority for an XRI. - - $root = null; - - if (Auth_Yadis_startswith($xri, 'xri://')) { - $xri = substr($xri, 6); - } - - $authority = explode('/', $xri, 2); - $authority = $authority[0]; - if ($authority[0] == '(') { - // Cross-reference. - // XXX: This is incorrect if someone nests cross-references so - // there is another close-paren in there. Hopefully nobody - // does that before we have a real xriparse function. - // Hopefully nobody does that *ever*. - $root = substr($authority, 0, strpos($authority, ')') + 1); - } else if (in_array($authority[0], Auth_Yadis_getXRIAuthorities())) { - // Other XRI reference. - $root = $authority[0]; - } else { - // IRI reference. - $_segments = explode("!", $authority); - $segments = array(); - foreach ($_segments as $s) { - $segments = array_merge($segments, explode("*", $s)); - } - $root = $segments[0]; - } - - return Auth_Yadis_XRI($root); -} - -function Auth_Yadis_XRI($xri) -{ - if (!Auth_Yadis_startswith($xri, 'xri://')) { - $xri = 'xri://' . $xri; - } - return $xri; -} - -function Auth_Yadis_getCanonicalID($iname, $xrds) -{ - // Returns false or a canonical ID value. - - // Now nodes are in reverse order. - $xrd_list = array_reverse($xrds->allXrdNodes); - $parser =& $xrds->parser; - $node = $xrd_list[0]; - - $canonicalID_nodes = $parser->evalXPath('xrd:CanonicalID', $node); - - if (!$canonicalID_nodes) { - return false; - } - - $canonicalID = $canonicalID_nodes[0]; - $canonicalID = Auth_Yadis_XRI($parser->content($canonicalID)); - - $childID = $canonicalID; - - for ($i = 1; $i < count($xrd_list); $i++) { - $xrd = $xrd_list[$i]; - - $parent_sought = substr($childID, 0, strrpos($childID, '!')); - $parentCID = $parser->evalXPath('xrd:CanonicalID', $xrd); - if (!$parentCID) { - return false; - } - $parentCID = Auth_Yadis_XRI($parser->content($parentCID[0])); - - if (strcasecmp($parent_sought, $parentCID)) { - // raise XRDSFraud. - return false; - } - - $childID = $parent_sought; - } - - $root = Auth_Yadis_rootAuthority($iname); - if (!Auth_Yadis_providerIsAuthoritative($root, $childID)) { - // raise XRDSFraud. - return false; - } - - return $canonicalID; -} - -?> diff --git a/_darcs/pristine/extlib/Auth/Yadis/XRIRes.php b/_darcs/pristine/extlib/Auth/Yadis/XRIRes.php deleted file mode 100644 index 4e8e8d037..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/XRIRes.php +++ /dev/null @@ -1,72 +0,0 @@ -fetcher =& $fetcher; - $this->proxy_url = $proxy_url; - if (!$this->proxy_url) { - $this->proxy_url = Auth_Yadis_getDefaultProxy(); - } - } - - function queryURL($xri, $service_type = null) - { - // trim off the xri:// prefix - $qxri = substr(Auth_Yadis_toURINormal($xri), 6); - $hxri = $this->proxy_url . $qxri; - $args = array( - '_xrd_r' => 'application/xrds+xml' - ); - - if ($service_type) { - $args['_xrd_t'] = $service_type; - } else { - // Don't perform service endpoint selection. - $args['_xrd_r'] .= ';sep=false'; - } - - $query = Auth_Yadis_XRIAppendArgs($hxri, $args); - return $query; - } - - function query($xri, $service_types, $filters = array()) - { - $services = array(); - $canonicalID = null; - foreach ($service_types as $service_type) { - $url = $this->queryURL($xri, $service_type); - $response = $this->fetcher->get($url); - if ($response->status != 200 and $response->status != 206) { - continue; - } - $xrds = Auth_Yadis_XRDS::parseXRDS($response->body); - if (!$xrds) { - continue; - } - $canonicalID = Auth_Yadis_getCanonicalID($xri, - $xrds); - - if ($canonicalID === false) { - return null; - } - - $some_services = $xrds->services($filters); - $services = array_merge($services, $some_services); - // TODO: - // * If we do get hits for multiple service_types, we're - // almost certainly going to have duplicated service - // entries and broken priority ordering. - } - return array($canonicalID, $services); - } -} - -?> diff --git a/_darcs/pristine/extlib/Auth/Yadis/Yadis.php b/_darcs/pristine/extlib/Auth/Yadis/Yadis.php deleted file mode 100644 index d89f77c6d..000000000 --- a/_darcs/pristine/extlib/Auth/Yadis/Yadis.php +++ /dev/null @@ -1,382 +0,0 @@ - - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -/** - * Need both fetcher types so we can use the right one based on the - * presence or absence of CURL. - */ -require_once "Auth/Yadis/PlainHTTPFetcher.php"; -require_once "Auth/Yadis/ParanoidHTTPFetcher.php"; - -/** - * Need this for parsing HTML (looking for META tags). - */ -require_once "Auth/Yadis/ParseHTML.php"; - -/** - * Need this to parse the XRDS document during Yadis discovery. - */ -require_once "Auth/Yadis/XRDS.php"; - -/** - * XRDS (yadis) content type - */ -define('Auth_Yadis_CONTENT_TYPE', 'application/xrds+xml'); - -/** - * Yadis header - */ -define('Auth_Yadis_HEADER_NAME', 'X-XRDS-Location'); - -/** - * Contains the result of performing Yadis discovery on a URI. - * - * @package OpenID - */ -class Auth_Yadis_DiscoveryResult { - - // The URI that was passed to the fetcher - var $request_uri = null; - - // The result of following redirects from the request_uri - var $normalized_uri = null; - - // The URI from which the response text was returned (set to - // None if there was no XRDS document found) - var $xrds_uri = null; - - var $xrds = null; - - // The content-type returned with the response_text - var $content_type = null; - - // The document returned from the xrds_uri - var $response_text = null; - - // Did the discovery fail miserably? - var $failed = false; - - function Auth_Yadis_DiscoveryResult($request_uri) - { - // Initialize the state of the object - // sets all attributes to None except the request_uri - $this->request_uri = $request_uri; - } - - function fail() - { - $this->failed = true; - } - - function isFailure() - { - return $this->failed; - } - - /** - * Returns the list of service objects as described by the XRDS - * document, if this yadis object represents a successful Yadis - * discovery. - * - * @return array $services An array of {@link Auth_Yadis_Service} - * objects - */ - function services() - { - if ($this->xrds) { - return $this->xrds->services(); - } - - return null; - } - - function usedYadisLocation() - { - // Was the Yadis protocol's indirection used? - return $this->normalized_uri != $this->xrds_uri; - } - - function isXRDS() - { - // Is the response text supposed to be an XRDS document? - return ($this->usedYadisLocation() || - $this->content_type == Auth_Yadis_CONTENT_TYPE); - } -} - -/** - * - * Perform the Yadis protocol on the input URL and return an iterable - * of resulting endpoint objects. - * - * input_url: The URL on which to perform the Yadis protocol - * - * @return: The normalized identity URL and an iterable of endpoint - * objects generated by the filter function. - * - * xrds_parse_func: a callback which will take (uri, xrds_text) and - * return an array of service endpoint objects or null. Usually - * array('Auth_OpenID_ServiceEndpoint', 'fromXRDS'). - * - * discover_func: if not null, a callback which should take (uri) and - * return an Auth_Yadis_Yadis object or null. - */ -function Auth_Yadis_getServiceEndpoints($input_url, $xrds_parse_func, - $discover_func=null, $fetcher=null) -{ - if ($discover_func === null) { - $discover_function = array('Auth_Yadis_Yadis', 'discover'); - } - - $yadis_result = call_user_func_array($discover_func, - array($input_url, $fetcher)); - - if ($yadis_result === null) { - return array($input_url, array()); - } - - $endpoints = call_user_func_array($xrds_parse_func, - array($yadis_result->normalized_uri, - $yadis_result->response_text)); - - if ($endpoints === null) { - $endpoints = array(); - } - - return array($yadis_result->normalized_uri, $endpoints); -} - -/** - * This is the core of the PHP Yadis library. This is the only class - * a user needs to use to perform Yadis discovery. This class - * performs the discovery AND stores the result of the discovery. - * - * First, require this library into your program source: - * - * 
  require_once "Auth/Yadis/Yadis.php";
- * - * To perform Yadis discovery, first call the "discover" method - * statically with a URI parameter: - * - * 
  $http_response = array();
- *  $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
- *  $yadis_object = Auth_Yadis_Yadis::discover($uri,
- *                                    $http_response, $fetcher);
- * - * If the discovery succeeds, $yadis_object will be an instance of - * {@link Auth_Yadis_Yadis}. If not, it will be null. The XRDS - * document found during discovery should have service descriptions, - * which can be accessed by calling - * - * 
  $service_list = $yadis_object->services();
- * - * which returns an array of objects which describe each service. - * These objects are instances of Auth_Yadis_Service. Each object - * describes exactly one whole Service element, complete with all of - * its Types and URIs (no expansion is performed). The common use - * case for using the service objects returned by services() is to - * write one or more filter functions and pass those to services(): - * - * 
  $service_list = $yadis_object->services(
- *                               array("filterByURI",
- *                                     "filterByExtension"));
- * - * The filter functions (whose names appear in the array passed to - * services()) take the following form: - * - * 
  function myFilter(&$service) {
- *       // Query $service object here.  Return true if the service
- *       // matches your query; false if not.
- *  }
- * - * This is an example of a filter which uses a regular expression to - * match the content of URI tags (note that the Auth_Yadis_Service - * class provides a getURIs() method which you should use instead of - * this contrived example): - * - * 
- *  function URIMatcher(&$service) {
- *      foreach ($service->getElements('xrd:URI') as $uri) {
- *          if (preg_match("/some_pattern/",
- *                         $service->parser->content($uri))) {
- *              return true;
- *          }
- *      }
- *      return false;
- *  }
- * - * The filter functions you pass will be called for each service - * object to determine which ones match the criteria your filters - * specify. The default behavior is that if a given service object - * matches ANY of the filters specified in the services() call, it - * will be returned. You can specify that a given service object will - * be returned ONLY if it matches ALL specified filters by changing - * the match mode of services(): - * - * 
  $yadis_object->services(array("filter1", "filter2"),
- *                          SERVICES_YADIS_MATCH_ALL);
- * - * See {@link SERVICES_YADIS_MATCH_ALL} and {@link - * SERVICES_YADIS_MATCH_ANY}. - * - * Services described in an XRDS should have a library which you'll - * probably be using. Those libraries are responsible for defining - * filters that can be used with the "services()" call. If you need - * to write your own filter, see the documentation for {@link - * Auth_Yadis_Service}. - * - * @package OpenID - */ -class Auth_Yadis_Yadis { - - /** - * Returns an HTTP fetcher object. If the CURL extension is - * present, an instance of {@link Auth_Yadis_ParanoidHTTPFetcher} - * is returned. If not, an instance of - * {@link Auth_Yadis_PlainHTTPFetcher} is returned. - * - * If Auth_Yadis_CURL_OVERRIDE is defined, this method will always - * return a {@link Auth_Yadis_PlainHTTPFetcher}. - */ - function getHTTPFetcher($timeout = 20) - { - if (Auth_Yadis_Yadis::curlPresent() && - (!defined('Auth_Yadis_CURL_OVERRIDE'))) { - $fetcher = new Auth_Yadis_ParanoidHTTPFetcher($timeout); - } else { - $fetcher = new Auth_Yadis_PlainHTTPFetcher($timeout); - } - return $fetcher; - } - - function curlPresent() - { - return function_exists('curl_init'); - } - - /** - * @access private - */ - function _getHeader($header_list, $names) - { - foreach ($header_list as $name => $value) { - foreach ($names as $n) { - if (strtolower($name) == strtolower($n)) { - return $value; - } - } - } - - return null; - } - - /** - * @access private - */ - function _getContentType($content_type_header) - { - if ($content_type_header) { - $parts = explode(";", $content_type_header); - return strtolower($parts[0]); - } - } - - /** - * This should be called statically and will build a Yadis - * instance if the discovery process succeeds. This implements - * Yadis discovery as specified in the Yadis specification. - * - * @param string $uri The URI on which to perform Yadis discovery. - * - * @param array $http_response An array reference where the HTTP - * response object will be stored (see {@link - * Auth_Yadis_HTTPResponse}. - * - * @param Auth_Yadis_HTTPFetcher $fetcher An instance of a - * Auth_Yadis_HTTPFetcher subclass. - * - * @param array $extra_ns_map An array which maps namespace names - * to namespace URIs to be used when parsing the Yadis XRDS - * document. - * - * @param integer $timeout An optional fetcher timeout, in seconds. - * - * @return mixed $obj Either null or an instance of - * Auth_Yadis_Yadis, depending on whether the discovery - * succeeded. - */ - function discover($uri, &$fetcher, - $extra_ns_map = null, $timeout = 20) - { - $result = new Auth_Yadis_DiscoveryResult($uri); - - $request_uri = $uri; - $headers = array("Accept: " . Auth_Yadis_CONTENT_TYPE . - ', text/html; q=0.3, application/xhtml+xml; q=0.5'); - - if ($fetcher === null) { - $fetcher = Auth_Yadis_Yadis::getHTTPFetcher($timeout); - } - - $response = $fetcher->get($uri, $headers); - - if (!$response || ($response->status != 200 and - $response->status != 206)) { - $result->fail(); - return $result; - } - - $result->normalized_uri = $response->final_url; - $result->content_type = Auth_Yadis_Yadis::_getHeader( - $response->headers, - array('content-type')); - - if ($result->content_type && - (Auth_Yadis_Yadis::_getContentType($result->content_type) == - Auth_Yadis_CONTENT_TYPE)) { - $result->xrds_uri = $result->normalized_uri; - } else { - $yadis_location = Auth_Yadis_Yadis::_getHeader( - $response->headers, - array(Auth_Yadis_HEADER_NAME)); - - if (!$yadis_location) { - $parser = new Auth_Yadis_ParseHTML(); - $yadis_location = $parser->getHTTPEquiv($response->body); - } - - if ($yadis_location) { - $result->xrds_uri = $yadis_location; - - $response = $fetcher->get($yadis_location); - - if ((!$response) || ($response->status != 200 and - $response->status != 206)) { - $result->fail(); - return $result; - } - - $result->content_type = Auth_Yadis_Yadis::_getHeader( - $response->headers, - array('content-type')); - } - } - - $result->response_text = $response->body; - return $result; - } -} - -?> -- cgit v1.2.3-54-g00ecf