forked from mougnibas/archinsa
		
	
		
			
				
	
	
		
			2083 lines
		
	
	
	
		
			64 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2083 lines
		
	
	
	
		
			64 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| 
 | |
| /**
 | |
|  * Licensed to Jasig under one or more contributor license
 | |
|  * agreements. See the NOTICE file distributed with this work for
 | |
|  * additional information regarding copyright ownership.
 | |
|  *
 | |
|  * Jasig licenses this file to you under the Apache License,
 | |
|  * Version 2.0 (the "License"); you may not use this file except in
 | |
|  * compliance with the License. You may obtain a copy of the License at:
 | |
|  *
 | |
|  * http://www.apache.org/licenses/LICENSE-2.0
 | |
|  *
 | |
|  * Unless required by applicable law or agreed to in writing, software
 | |
|  * distributed under the License is distributed on an "AS IS" BASIS,
 | |
|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | |
|  * See the License for the specific language governing permissions and
 | |
|  * limitations under the License.
 | |
|  *
 | |
|  *
 | |
|  *
 | |
|  * Interface class of the phpCAS library
 | |
|  * PHP Version 7
 | |
|  *
 | |
|  * @file     CAS/CAS.php
 | |
|  * @category Authentication
 | |
|  * @package  PhpCAS
 | |
|  * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
 | |
|  * @author   Olivier Berger <olivier.berger@it-sudparis.eu>
 | |
|  * @author   Brett Bieber <brett.bieber@gmail.com>
 | |
|  * @author   Joachim Fritschi <jfritschi@freenet.de>
 | |
|  * @author   Adam Franco <afranco@middlebury.edu>
 | |
|  * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 | |
|  * @link     https://wiki.jasig.org/display/CASC/phpCAS
 | |
|  * @ingroup public
 | |
|  */
 | |
| 
 | |
| use Psr\Log\LoggerInterface;
 | |
| 
 | |
| //
 | |
| // hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI']
 | |
| // in IIS
 | |
| //
 | |
| if (!isset($_SERVER['REQUEST_URI']) && isset($_SERVER['SCRIPT_NAME']) && isset($_SERVER['QUERY_STRING'])) {
 | |
|     $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . '?' . $_SERVER['QUERY_STRING'];
 | |
| }
 | |
| 
 | |
| 
 | |
| // ########################################################################
 | |
| //  CONSTANTS
 | |
| // ########################################################################
 | |
| 
 | |
| // ------------------------------------------------------------------------
 | |
| //  CAS VERSIONS
 | |
| // ------------------------------------------------------------------------
 | |
| 
 | |
| /**
 | |
|  * phpCAS version. accessible for the user by phpCAS::getVersion().
 | |
|  */
 | |
| define('PHPCAS_VERSION', '1.6.1');
 | |
| 
 | |
| /**
 | |
|  * @addtogroup public
 | |
|  * @{
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * phpCAS supported protocols. accessible for the user by phpCAS::getSupportedProtocols().
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * CAS version 1.0
 | |
|  */
 | |
| define("CAS_VERSION_1_0", '1.0');
 | |
| /*!
 | |
|  * CAS version 2.0
 | |
| */
 | |
| define("CAS_VERSION_2_0", '2.0');
 | |
| /**
 | |
|  * CAS version 3.0
 | |
|  */
 | |
| define("CAS_VERSION_3_0", '3.0');
 | |
| 
 | |
| // ------------------------------------------------------------------------
 | |
| //  SAML defines
 | |
| // ------------------------------------------------------------------------
 | |
| 
 | |
| /**
 | |
|  * SAML protocol
 | |
|  */
 | |
| define("SAML_VERSION_1_1", 'S1');
 | |
| 
 | |
| /**
 | |
|  * XML header for SAML POST
 | |
|  */
 | |
| define("SAML_XML_HEADER", '<?xml version="1.0" encoding="UTF-8"?>');
 | |
| 
 | |
| /**
 | |
|  * SOAP envelope for SAML POST
 | |
|  */
 | |
| define("SAML_SOAP_ENV", '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Header/>');
 | |
| 
 | |
| /**
 | |
|  * SOAP body for SAML POST
 | |
|  */
 | |
| define("SAML_SOAP_BODY", '<SOAP-ENV:Body>');
 | |
| 
 | |
| /**
 | |
|  * SAMLP request
 | |
|  */
 | |
| define("SAMLP_REQUEST", '<samlp:Request xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol"  MajorVersion="1" MinorVersion="1" RequestID="_192.168.16.51.1024506224022" IssueInstant="2002-06-19T17:03:44.022Z">');
 | |
| define("SAMLP_REQUEST_CLOSE", '</samlp:Request>');
 | |
| 
 | |
| /**
 | |
|  * SAMLP artifact tag (for the ticket)
 | |
|  */
 | |
| define("SAML_ASSERTION_ARTIFACT", '<samlp:AssertionArtifact>');
 | |
| 
 | |
| /**
 | |
|  * SAMLP close
 | |
|  */
 | |
| define("SAML_ASSERTION_ARTIFACT_CLOSE", '</samlp:AssertionArtifact>');
 | |
| 
 | |
| /**
 | |
|  * SOAP body close
 | |
|  */
 | |
| define("SAML_SOAP_BODY_CLOSE", '</SOAP-ENV:Body>');
 | |
| 
 | |
| /**
 | |
|  * SOAP envelope close
 | |
|  */
 | |
| define("SAML_SOAP_ENV_CLOSE", '</SOAP-ENV:Envelope>');
 | |
| 
 | |
| /**
 | |
|  * SAML Attributes
 | |
|  */
 | |
| define("SAML_ATTRIBUTES", 'SAMLATTRIBS');
 | |
| 
 | |
| /** @} */
 | |
| /**
 | |
|  * @addtogroup publicPGTStorage
 | |
|  * @{
 | |
|  */
 | |
| // ------------------------------------------------------------------------
 | |
| //  FILE PGT STORAGE
 | |
| // ------------------------------------------------------------------------
 | |
| /**
 | |
|  * Default path used when storing PGT's to file
 | |
|  */
 | |
| define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH", session_save_path());
 | |
| /** @} */
 | |
| // ------------------------------------------------------------------------
 | |
| // SERVICE ACCESS ERRORS
 | |
| // ------------------------------------------------------------------------
 | |
| /**
 | |
|  * @addtogroup publicServices
 | |
|  * @{
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * phpCAS::service() error code on success
 | |
|  */
 | |
| define("PHPCAS_SERVICE_OK", 0);
 | |
| /**
 | |
|  * phpCAS::service() error code when the PT could not retrieve because
 | |
|  * the CAS server did not respond.
 | |
|  */
 | |
| define("PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE", 1);
 | |
| /**
 | |
|  * phpCAS::service() error code when the PT could not retrieve because
 | |
|  * the response of the CAS server was ill-formed.
 | |
|  */
 | |
| define("PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE", 2);
 | |
| /**
 | |
|  * phpCAS::service() error code when the PT could not retrieve because
 | |
|  * the CAS server did not want to.
 | |
|  */
 | |
| define("PHPCAS_SERVICE_PT_FAILURE", 3);
 | |
| /**
 | |
|  * phpCAS::service() error code when the service was not available.
 | |
|  */
 | |
| define("PHPCAS_SERVICE_NOT_AVAILABLE", 4);
 | |
| 
 | |
| // ------------------------------------------------------------------------
 | |
| // SERVICE TYPES
 | |
| // ------------------------------------------------------------------------
 | |
| /**
 | |
|  * phpCAS::getProxiedService() type for HTTP GET
 | |
|  */
 | |
| define("PHPCAS_PROXIED_SERVICE_HTTP_GET", 'CAS_ProxiedService_Http_Get');
 | |
| /**
 | |
|  * phpCAS::getProxiedService() type for HTTP POST
 | |
|  */
 | |
| define("PHPCAS_PROXIED_SERVICE_HTTP_POST", 'CAS_ProxiedService_Http_Post');
 | |
| /**
 | |
|  * phpCAS::getProxiedService() type for IMAP
 | |
|  */
 | |
| define("PHPCAS_PROXIED_SERVICE_IMAP", 'CAS_ProxiedService_Imap');
 | |
| 
 | |
| 
 | |
| /** @} */
 | |
| // ------------------------------------------------------------------------
 | |
| //  LANGUAGES
 | |
| // ------------------------------------------------------------------------
 | |
| /**
 | |
|  * @addtogroup publicLang
 | |
|  * @{
 | |
|  */
 | |
| 
 | |
| define("PHPCAS_LANG_ENGLISH", 'CAS_Languages_English');
 | |
| define("PHPCAS_LANG_FRENCH", 'CAS_Languages_French');
 | |
| define("PHPCAS_LANG_GREEK", 'CAS_Languages_Greek');
 | |
| define("PHPCAS_LANG_GERMAN", 'CAS_Languages_German');
 | |
| define("PHPCAS_LANG_JAPANESE", 'CAS_Languages_Japanese');
 | |
| define("PHPCAS_LANG_SPANISH", 'CAS_Languages_Spanish');
 | |
| define("PHPCAS_LANG_CATALAN", 'CAS_Languages_Catalan');
 | |
| define("PHPCAS_LANG_CHINESE_SIMPLIFIED", 'CAS_Languages_ChineseSimplified');
 | |
| define("PHPCAS_LANG_GALEGO", 'CAS_Languages_Galego');
 | |
| define("PHPCAS_LANG_PORTUGUESE", 'CAS_Languages_Portuguese');
 | |
| 
 | |
| /** @} */
 | |
| 
 | |
| /**
 | |
|  * @addtogroup internalLang
 | |
|  * @{
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * phpCAS default language (when phpCAS::setLang() is not used)
 | |
|  */
 | |
| define("PHPCAS_LANG_DEFAULT", PHPCAS_LANG_ENGLISH);
 | |
| 
 | |
| /** @} */
 | |
| // ------------------------------------------------------------------------
 | |
| //  DEBUG
 | |
| // ------------------------------------------------------------------------
 | |
| /**
 | |
|  * @addtogroup publicDebug
 | |
|  * @{
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * The default directory for the debug file under Unix.
 | |
|  * @return  string directory for the debug file
 | |
|  */
 | |
| function gettmpdir() {
 | |
| if (!empty($_ENV['TMP'])) { return realpath($_ENV['TMP']); }
 | |
| if (!empty($_ENV['TMPDIR'])) { return realpath( $_ENV['TMPDIR']); }
 | |
| if (!empty($_ENV['TEMP'])) { return realpath( $_ENV['TEMP']); }
 | |
| return "/tmp";
 | |
| }
 | |
| define('DEFAULT_DEBUG_DIR', gettmpdir()."/");
 | |
| 
 | |
| /** @} */
 | |
| 
 | |
| // include the class autoloader
 | |
| require_once __DIR__ . '/CAS/Autoload.php';
 | |
| 
 | |
| /**
 | |
|  * The phpCAS class is a simple container for the phpCAS library. It provides CAS
 | |
|  * authentication for web applications written in PHP.
 | |
|  *
 | |
|  * @ingroup public
 | |
|  * @class phpCAS
 | |
|  * @category Authentication
 | |
|  * @package  PhpCAS
 | |
|  * @author   Pascal Aubry <pascal.aubry@univ-rennes1.fr>
 | |
|  * @author   Olivier Berger <olivier.berger@it-sudparis.eu>
 | |
|  * @author   Brett Bieber <brett.bieber@gmail.com>
 | |
|  * @author   Joachim Fritschi <jfritschi@freenet.de>
 | |
|  * @author   Adam Franco <afranco@middlebury.edu>
 | |
|  * @license  http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 | |
|  * @link     https://wiki.jasig.org/display/CASC/phpCAS
 | |
|  */
 | |
| 
 | |
| class phpCAS
 | |
| {
 | |
| 
 | |
|     /**
 | |
|      * This variable is used by the interface class phpCAS.
 | |
|      *
 | |
|      * @var CAS_Client
 | |
|      * @hideinitializer
 | |
|      */
 | |
|     private static $_PHPCAS_CLIENT;
 | |
| 
 | |
|     /**
 | |
|      * @var array
 | |
|      * This variable is used to store where the initializer is called from
 | |
|      * (to print a comprehensive error in case of multiple calls).
 | |
|      *
 | |
|      * @hideinitializer
 | |
|      */
 | |
|     private static $_PHPCAS_INIT_CALL;
 | |
| 
 | |
|     /**
 | |
|      * @var array
 | |
|      * This variable is used to store phpCAS debug mode.
 | |
|      *
 | |
|      * @hideinitializer
 | |
|      */
 | |
|     private static $_PHPCAS_DEBUG;
 | |
| 
 | |
|     /**
 | |
|      * This variable is used to enable verbose mode
 | |
|      * This pevents debug info to be show to the user. Since it's a security
 | |
|      * feature the default is false
 | |
|      *
 | |
|      * @hideinitializer
 | |
|      */
 | |
|     private static $_PHPCAS_VERBOSE = false;
 | |
| 
 | |
| 
 | |
|     // ########################################################################
 | |
|     //  INITIALIZATION
 | |
|     // ########################################################################
 | |
| 
 | |
|     /**
 | |
|      * @addtogroup publicInit
 | |
|      * @{
 | |
|      */
 | |
| 
 | |
|     /**
 | |
|      * phpCAS client initializer.
 | |
|      *
 | |
|      * @param string                   $server_version  the version of the CAS server
 | |
|      * @param string                   $server_hostname the hostname of the CAS server
 | |
|      * @param int                      $server_port     the port the CAS server is running on
 | |
|      * @param string                   $server_uri      the URI the CAS server is responding on
 | |
|      * @param string|string[]|CAS_ServiceBaseUrl_Interface
 | |
|      *                                 $service_base_url the base URL (protocol, host and the
 | |
|      *                                                  optional port) of the CAS client; pass
 | |
|      *                                                  in an array to use auto discovery with
 | |
|      *                                                  an allowlist; pass in
 | |
|      *                                                  CAS_ServiceBaseUrl_Interface for custom
 | |
|      *                                                  behavior. Added in 1.6.0. Similar to
 | |
|      *                                                  serverName config in other CAS clients.
 | |
|      * @param bool                     $changeSessionID Allow phpCAS to change the session_id
 | |
|      *                                                  (Single Sign Out/handleLogoutRequests
 | |
|      *                                                  is based on that change)
 | |
|      * @param \SessionHandlerInterface $sessionHandler  the session handler
 | |
|      *
 | |
|      * @return void a newly created CAS_Client object
 | |
|      * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be
 | |
|      * called, only once, and before all other methods (except phpCAS::getVersion()
 | |
|      * and phpCAS::setDebug()).
 | |
|      */
 | |
|     public static function client($server_version, $server_hostname,
 | |
|         $server_port, $server_uri, $service_base_url,
 | |
|         $changeSessionID = true, \SessionHandlerInterface $sessionHandler = null
 | |
|     ) {
 | |
|         phpCAS :: traceBegin();
 | |
|         if (is_object(self::$_PHPCAS_CLIENT)) {
 | |
|             phpCAS :: error(self::$_PHPCAS_INIT_CALL['method'] . '() has already been called (at ' . self::$_PHPCAS_INIT_CALL['file'] . ':' . self::$_PHPCAS_INIT_CALL['line'] . ')');
 | |
|         }
 | |
| 
 | |
|         // store where the initializer is called from
 | |
|         $dbg = debug_backtrace();
 | |
|         self::$_PHPCAS_INIT_CALL = array (
 | |
|             'done' => true,
 | |
|             'file' => $dbg[0]['file'],
 | |
|             'line' => $dbg[0]['line'],
 | |
|             'method' => __CLASS__ . '::' . __FUNCTION__
 | |
|         );
 | |
| 
 | |
|         // initialize the object $_PHPCAS_CLIENT
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT = new CAS_Client(
 | |
|                 $server_version, false, $server_hostname, $server_port, $server_uri, $service_base_url,
 | |
|                 $changeSessionID, $sessionHandler
 | |
|             );
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * phpCAS proxy initializer.
 | |
|      *
 | |
|      * @param string                   $server_version  the version of the CAS server
 | |
|      * @param string                   $server_hostname the hostname of the CAS server
 | |
|      * @param string                   $server_port     the port the CAS server is running on
 | |
|      * @param string                   $server_uri      the URI the CAS server is responding on
 | |
|      * @param string|string[]|CAS_ServiceBaseUrl_Interface
 | |
|      *                                 $service_base_url the base URL (protocol, host and the
 | |
|      *                                                  optional port) of the CAS client; pass
 | |
|      *                                                  in an array to use auto discovery with
 | |
|      *                                                  an allowlist; pass in
 | |
|      *                                                  CAS_ServiceBaseUrl_Interface for custom
 | |
|      *                                                  behavior. Added in 1.6.0. Similar to
 | |
|      *                                                  serverName config in other CAS clients.
 | |
|      * @param bool                     $changeSessionID Allow phpCAS to change the session_id
 | |
|      *                                                  (Single Sign Out/handleLogoutRequests
 | |
|      *                                                  is based on that change)
 | |
|      * @param \SessionHandlerInterface $sessionHandler  the session handler
 | |
|      *
 | |
|      * @return void a newly created CAS_Client object
 | |
|      * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be
 | |
|      * called, only once, and before all other methods (except phpCAS::getVersion()
 | |
|      * and phpCAS::setDebug()).
 | |
|      */
 | |
|     public static function proxy($server_version, $server_hostname,
 | |
|         $server_port, $server_uri, $service_base_url,
 | |
|         $changeSessionID = true, \SessionHandlerInterface $sessionHandler = null
 | |
|     ) {
 | |
|         phpCAS :: traceBegin();
 | |
|         if (is_object(self::$_PHPCAS_CLIENT)) {
 | |
|             phpCAS :: error(self::$_PHPCAS_INIT_CALL['method'] . '() has already been called (at ' . self::$_PHPCAS_INIT_CALL['file'] . ':' . self::$_PHPCAS_INIT_CALL['line'] . ')');
 | |
|         }
 | |
| 
 | |
|         // store where the initialzer is called from
 | |
|         $dbg = debug_backtrace();
 | |
|         self::$_PHPCAS_INIT_CALL = array (
 | |
|             'done' => true,
 | |
|             'file' => $dbg[0]['file'],
 | |
|             'line' => $dbg[0]['line'],
 | |
|             'method' => __CLASS__ . '::' . __FUNCTION__
 | |
|         );
 | |
| 
 | |
|         // initialize the object $_PHPCAS_CLIENT
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT = new CAS_Client(
 | |
|                 $server_version, true, $server_hostname, $server_port, $server_uri, $service_base_url,
 | |
|                 $changeSessionID, $sessionHandler
 | |
|             );
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer whether or not the client or proxy has been initialized
 | |
|      *
 | |
|      * @return bool
 | |
|      */
 | |
|     public static function isInitialized ()
 | |
|     {
 | |
|         return (is_object(self::$_PHPCAS_CLIENT));
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  DEBUGGING
 | |
|     // ########################################################################
 | |
| 
 | |
|     /**
 | |
|      * @addtogroup publicDebug
 | |
|      * @{
 | |
|      */
 | |
| 
 | |
|     /**
 | |
|      * Set/unset PSR-3 logger
 | |
|      *
 | |
|      * @param LoggerInterface $logger the PSR-3 logger used for logging, or
 | |
|      * null to stop logging.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setLogger($logger = null)
 | |
|     {
 | |
|         if (empty(self::$_PHPCAS_DEBUG['unique_id'])) {
 | |
|             self::$_PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))), 0, 4);
 | |
|         }
 | |
|         self::$_PHPCAS_DEBUG['logger'] = $logger;
 | |
|         self::$_PHPCAS_DEBUG['indent'] = 0;
 | |
|         phpCAS :: trace('START ('.date("Y-m-d H:i:s").') phpCAS-' . PHPCAS_VERSION . ' ******************');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set/unset debug mode
 | |
|      *
 | |
|      * @param string $filename the name of the file used for logging, or false
 | |
|      * to stop debugging.
 | |
|      *
 | |
|      * @return void
 | |
|      *
 | |
|      * @deprecated
 | |
|      */
 | |
|     public static function setDebug($filename = '')
 | |
|     {
 | |
|         trigger_error('phpCAS::setDebug() is deprecated in favor of phpCAS::setLogger().', E_USER_DEPRECATED);
 | |
| 
 | |
|         if ($filename != false && gettype($filename) != 'string') {
 | |
|             phpCAS :: error('type mismatched for parameter $dbg (should be false or the name of the log file)');
 | |
|         }
 | |
|         if ($filename === false) {
 | |
|             self::$_PHPCAS_DEBUG['filename'] = false;
 | |
| 
 | |
|         } else {
 | |
|             if (empty ($filename)) {
 | |
|                 if (preg_match('/^Win.*/', getenv('OS'))) {
 | |
|                     if (isset ($_ENV['TMP'])) {
 | |
|                         $debugDir = $_ENV['TMP'] . '/';
 | |
|                     } else {
 | |
|                         $debugDir = '';
 | |
|                     }
 | |
|                 } else {
 | |
|                     $debugDir = DEFAULT_DEBUG_DIR;
 | |
|                 }
 | |
|                 $filename = $debugDir . 'phpCAS.log';
 | |
|             }
 | |
| 
 | |
|             if (empty (self::$_PHPCAS_DEBUG['unique_id'])) {
 | |
|                 self::$_PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))), 0, 4);
 | |
|             }
 | |
| 
 | |
|             self::$_PHPCAS_DEBUG['filename'] = $filename;
 | |
|             self::$_PHPCAS_DEBUG['indent'] = 0;
 | |
| 
 | |
|             phpCAS :: trace('START ('.date("Y-m-d H:i:s").') phpCAS-' . PHPCAS_VERSION . ' ******************');
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Enable verbose errors messages in the website output
 | |
|      * This is a security relevant since internal status info may leak an may
 | |
|      * help an attacker. Default is therefore false
 | |
|      *
 | |
|      * @param bool $verbose enable verbose output
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setVerbose($verbose)
 | |
|     {
 | |
|         if ($verbose === true) {
 | |
|             self::$_PHPCAS_VERBOSE = true;
 | |
|         } else {
 | |
|             self::$_PHPCAS_VERBOSE = false;
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Show is verbose mode is on
 | |
|      *
 | |
|      * @return bool verbose
 | |
|      */
 | |
|     public static function getVerbose()
 | |
|     {
 | |
|         return self::$_PHPCAS_VERBOSE;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Logs a string in debug mode.
 | |
|      *
 | |
|      * @param string $str the string to write
 | |
|      *
 | |
|      * @return void
 | |
|      * @private
 | |
|      */
 | |
|     public static function log($str)
 | |
|     {
 | |
|         $indent_str = ".";
 | |
| 
 | |
| 
 | |
|         if (isset(self::$_PHPCAS_DEBUG['logger']) || !empty(self::$_PHPCAS_DEBUG['filename'])) {
 | |
|             for ($i = 0; $i < self::$_PHPCAS_DEBUG['indent']; $i++) {
 | |
| 
 | |
|                 $indent_str .= '|    ';
 | |
|             }
 | |
|             // allow for multiline output with proper identing. Usefull for
 | |
|             // dumping cas answers etc.
 | |
|             $str2 = str_replace("\n", "\n" . self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str, $str);
 | |
|             $str3 = self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str . $str2;
 | |
|             if (isset(self::$_PHPCAS_DEBUG['logger'])) {
 | |
|                 self::$_PHPCAS_DEBUG['logger']->info($str3);
 | |
|             }
 | |
|             if (!empty(self::$_PHPCAS_DEBUG['filename'])) {
 | |
|                 // Check if file exists and modifiy file permissions to be only
 | |
|                 // readable by the webserver
 | |
|                 if (!file_exists(self::$_PHPCAS_DEBUG['filename'])) {
 | |
|                     touch(self::$_PHPCAS_DEBUG['filename']);
 | |
|                     // Chmod will fail on windows
 | |
|                     @chmod(self::$_PHPCAS_DEBUG['filename'], 0600);
 | |
|                 }
 | |
|                 error_log($str3 . "\n", 3, self::$_PHPCAS_DEBUG['filename']);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used by interface methods to print an error and where the
 | |
|      * function was originally called from.
 | |
|      *
 | |
|      * @param string $msg the message to print
 | |
|      *
 | |
|      * @return void
 | |
|      * @private
 | |
|      */
 | |
|     public static function error($msg)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         $dbg = debug_backtrace();
 | |
|         $function = '?';
 | |
|         $file = '?';
 | |
|         $line = '?';
 | |
|         if (is_array($dbg)) {
 | |
|             for ($i = 1; $i < sizeof($dbg); $i++) {
 | |
|                 if (is_array($dbg[$i]) && isset($dbg[$i]['class']) ) {
 | |
|                     if ($dbg[$i]['class'] == __CLASS__) {
 | |
|                         $function = $dbg[$i]['function'];
 | |
|                         $file = $dbg[$i]['file'];
 | |
|                         $line = $dbg[$i]['line'];
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         if (self::$_PHPCAS_VERBOSE) {
 | |
|             echo "<br />\n<b>phpCAS error</b>: <font color=\"FF0000\"><b>" . __CLASS__ . "::" . $function . '(): ' . htmlentities($msg) . "</b></font> in <b>" . $file . "</b> on line <b>" . $line . "</b><br />\n";
 | |
|         }
 | |
|         phpCAS :: trace($msg . ' in ' . $file . 'on line ' . $line );
 | |
|         phpCAS :: traceEnd();
 | |
| 
 | |
|         throw new CAS_GracefullTerminationException(__CLASS__ . "::" . $function . '(): ' . $msg);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to log something in debug mode.
 | |
|      *
 | |
|      * @param string $str string to log
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function trace($str)
 | |
|     {
 | |
|         $dbg = debug_backtrace();
 | |
|         phpCAS :: log($str . ' [' . basename($dbg[0]['file']) . ':' . $dbg[0]['line'] . ']');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to indicate the start of the execution of a function
 | |
|      * in debug mode.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function traceBegin()
 | |
|     {
 | |
|         $dbg = debug_backtrace();
 | |
|         $str = '=> ';
 | |
|         if (!empty ($dbg[1]['class'])) {
 | |
|             $str .= $dbg[1]['class'] . '::';
 | |
|         }
 | |
|         $str .= $dbg[1]['function'] . '(';
 | |
|         if (is_array($dbg[1]['args'])) {
 | |
|             foreach ($dbg[1]['args'] as $index => $arg) {
 | |
|                 if ($index != 0) {
 | |
|                     $str .= ', ';
 | |
|                 }
 | |
|                 if (is_object($arg)) {
 | |
|                     $str .= get_class($arg);
 | |
|                 } else {
 | |
|                     $str .= str_replace(array("\r\n", "\n", "\r"), "", var_export($arg, true));
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         if (isset($dbg[1]['file'])) {
 | |
|             $file = basename($dbg[1]['file']);
 | |
|         } else {
 | |
|             $file = 'unknown_file';
 | |
|         }
 | |
|         if (isset($dbg[1]['line'])) {
 | |
|             $line = $dbg[1]['line'];
 | |
|         } else {
 | |
|             $line = 'unknown_line';
 | |
|         }
 | |
|         $str .= ') [' . $file . ':' . $line . ']';
 | |
|         phpCAS :: log($str);
 | |
|         if (!isset(self::$_PHPCAS_DEBUG['indent'])) {
 | |
|             self::$_PHPCAS_DEBUG['indent'] = 0;
 | |
|         } else {
 | |
|             self::$_PHPCAS_DEBUG['indent']++;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to indicate the end of the execution of a function in
 | |
|      * debug mode.
 | |
|      *
 | |
|      * @param mixed $res the result of the function
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function traceEnd($res = '')
 | |
|     {
 | |
|         if (empty(self::$_PHPCAS_DEBUG['indent'])) {
 | |
|             self::$_PHPCAS_DEBUG['indent'] = 0;
 | |
|         } else {
 | |
|             self::$_PHPCAS_DEBUG['indent']--;
 | |
|         }
 | |
|         $str = '';
 | |
|         if (is_object($res)) {
 | |
|             $str .= '<= ' . get_class($res);
 | |
|         } else {
 | |
|             $str .= '<= ' . str_replace(array("\r\n", "\n", "\r"), "", var_export($res, true));
 | |
|         }
 | |
| 
 | |
|         phpCAS :: log($str);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to indicate the end of the execution of the program
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function traceExit()
 | |
|     {
 | |
|         phpCAS :: log('exit()');
 | |
|         while (self::$_PHPCAS_DEBUG['indent'] > 0) {
 | |
|             phpCAS :: log('-');
 | |
|             self::$_PHPCAS_DEBUG['indent']--;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  INTERNATIONALIZATION
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup publicLang
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * This method is used to set the language used by phpCAS.
 | |
|      *
 | |
|      * @param string $lang string representing the language.
 | |
|      *
 | |
|      * @return void
 | |
|      *
 | |
|      * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH
 | |
|      * @note Can be called only once.
 | |
|      */
 | |
|     public static function setLang($lang)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setLang($lang);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  VERSION
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup public
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * This method returns the phpCAS version.
 | |
|      *
 | |
|      * @return string the phpCAS version.
 | |
|      */
 | |
|     public static function getVersion()
 | |
|     {
 | |
|         return PHPCAS_VERSION;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method returns supported protocols.
 | |
|      *
 | |
|      * @return array an array of all supported protocols. Use internal protocol name as array key.
 | |
|      */
 | |
|     public static function getSupportedProtocols()
 | |
|     {
 | |
|         $supportedProtocols = array();
 | |
|         $supportedProtocols[CAS_VERSION_1_0] = 'CAS 1.0';
 | |
|         $supportedProtocols[CAS_VERSION_2_0] = 'CAS 2.0';
 | |
|         $supportedProtocols[CAS_VERSION_3_0] = 'CAS 3.0';
 | |
|         $supportedProtocols[SAML_VERSION_1_1] = 'SAML 1.1';
 | |
| 
 | |
|         return $supportedProtocols;
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  HTML OUTPUT
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup publicOutput
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * This method sets the HTML header used for all outputs.
 | |
|      *
 | |
|      * @param string $header the HTML header.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setHTMLHeader($header)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setHTMLHeader($header);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method sets the HTML footer used for all outputs.
 | |
|      *
 | |
|      * @param string $footer the HTML footer.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setHTMLFooter($footer)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setHTMLFooter($footer);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  PGT STORAGE
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup publicPGTStorage
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * This method can be used to set a custom PGT storage object.
 | |
|      *
 | |
|      * @param CAS_PGTStorage_AbstractStorage $storage a PGT storage object that inherits from the
 | |
|      * CAS_PGTStorage_AbstractStorage class
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setPGTStorage($storage)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setPGTStorage($storage);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to tell phpCAS to store the response of the
 | |
|      * CAS server to PGT requests in a database.
 | |
|      *
 | |
|      * @param string $dsn_or_pdo     a dsn string to use for creating a PDO
 | |
|      * object or a PDO object
 | |
|      * @param string $username       the username to use when connecting to the
 | |
|      * database
 | |
|      * @param string $password       the password to use when connecting to the
 | |
|      * database
 | |
|      * @param string $table          the table to use for storing and retrieving
 | |
|      * PGT's
 | |
|      * @param string $driver_options any driver options to use when connecting
 | |
|      * to the database
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setPGTStorageDb($dsn_or_pdo, $username='',
 | |
|         $password='', $table='', $driver_options=null
 | |
|     ) {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setPGTStorageDb($dsn_or_pdo, $username, $password, $table, $driver_options);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to tell phpCAS to store the response of the
 | |
|      * CAS server to PGT requests onto the filesystem.
 | |
|      *
 | |
|      * @param string $path the path where the PGT's should be stored
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setPGTStorageFile($path = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setPGTStorageFile($path);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     // ACCESS TO EXTERNAL SERVICES
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup publicServices
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * Answer a proxy-authenticated service handler.
 | |
|      *
 | |
|      * @param string $type The service type. One of
 | |
|      * PHPCAS_PROXIED_SERVICE_HTTP_GET; PHPCAS_PROXIED_SERVICE_HTTP_POST;
 | |
|      * PHPCAS_PROXIED_SERVICE_IMAP
 | |
|      *
 | |
|      * @return CAS_ProxiedService
 | |
|      * @throws InvalidArgumentException If the service type is unknown.
 | |
|      */
 | |
|     public static function getProxiedService ($type)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             $res = self::$_PHPCAS_CLIENT->getProxiedService($type);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|         return $res;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Initialize a proxied-service handler with the proxy-ticket it should use.
 | |
|      *
 | |
|      * @param CAS_ProxiedService $proxiedService Proxied Service Handler
 | |
|      *
 | |
|      * @return void
 | |
|      * @throws CAS_ProxyTicketException If there is a proxy-ticket failure.
 | |
|      *		The code of the Exception will be one of:
 | |
|      *			PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE
 | |
|      *			PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE
 | |
|      *			PHPCAS_SERVICE_PT_FAILURE
 | |
|      */
 | |
|     public static function initializeProxiedService (CAS_ProxiedService $proxiedService)
 | |
|     {
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->initializeProxiedService($proxiedService);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to access an HTTP[S] service.
 | |
|      *
 | |
|      * @param string $url       the service to access.
 | |
|      * @param int &$err_code an error code Possible values are
 | |
|      * PHPCAS_SERVICE_OK (on success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE,
 | |
|      * PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE, PHPCAS_SERVICE_PT_FAILURE,
 | |
|      * PHPCAS_SERVICE_NOT_AVAILABLE.
 | |
|      * @param string &$output   the output of the service (also used to give an
 | |
|      * error message on failure).
 | |
|      *
 | |
|      * @return bool true on success, false otherwise (in this later case,
 | |
|      * $err_code gives the reason why it failed and $output contains an error
 | |
|      * message).
 | |
|      */
 | |
|     public static function serviceWeb($url, & $err_code, & $output)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             $res = self::$_PHPCAS_CLIENT->serviceWeb($url, $err_code, $output);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd($res);
 | |
|         return $res;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to access an IMAP/POP3/NNTP service.
 | |
|      *
 | |
|      * @param string $url       a string giving the URL of the service,
 | |
|      * including the mailing box for IMAP URLs, as accepted by imap_open().
 | |
|      * @param string $service   a string giving for CAS retrieve Proxy ticket
 | |
|      * @param string $flags     options given to imap_open().
 | |
|      * @param int &$err_code an error code Possible values are
 | |
|      * PHPCAS_SERVICE_OK (on success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE,
 | |
|      * PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE, PHPCAS_SERVICE_PT_FAILURE,
 | |
|      * PHPCAS_SERVICE_NOT_AVAILABLE.
 | |
|      * @param string &$err_msg  an error message on failure
 | |
|      * @param string &$pt       the Proxy Ticket (PT) retrieved from the CAS
 | |
|      * server to access the URL on success, false on error).
 | |
|      *
 | |
|      * @return object|false IMAP stream on success, false otherwise (in this later
 | |
|      * case, $err_code gives the reason why it failed and $err_msg contains an
 | |
|      * error message).
 | |
|      */
 | |
|     public static function serviceMail($url, $service, $flags, & $err_code, & $err_msg, & $pt)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             $res = self::$_PHPCAS_CLIENT->serviceMail($url, $service, $flags, $err_code, $err_msg, $pt);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd($res);
 | |
|         return $res;
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
|     // ########################################################################
 | |
|     //  AUTHENTICATION
 | |
|     // ########################################################################
 | |
|     /**
 | |
|     * @addtogroup publicAuth
 | |
|     * @{
 | |
|     */
 | |
| 
 | |
|     /**
 | |
|      * Set the times authentication will be cached before really accessing the
 | |
|      * CAS server in gateway mode:
 | |
|      * - -1: check only once, and then never again (until you pree login)
 | |
|      * - 0: always check
 | |
|      * - n: check every "n" time
 | |
|      *
 | |
|      * @param int $n an integer.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setCacheTimesForAuthRecheck($n)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Set a callback function to be run when receiving CAS attributes
 | |
|      *
 | |
|      * The callback function will be passed an $success_elements
 | |
|      * payload of the response (\DOMElement) as its first parameter.
 | |
|      *
 | |
|      * @param string $function       Callback function
 | |
|      * @param array  $additionalArgs optional array of arguments
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setCasAttributeParserCallback($function, array $additionalArgs = array())
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         self::$_PHPCAS_CLIENT->setCasAttributeParserCallback($function, $additionalArgs);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set a callback function to be run when a user authenticates.
 | |
|      *
 | |
|      * The callback function will be passed a $logoutTicket as its first
 | |
|      * parameter, followed by any $additionalArgs you pass. The $logoutTicket
 | |
|      * parameter is an opaque string that can be used to map the session-id to
 | |
|      * logout request in order to support single-signout in applications that
 | |
|      * manage their own sessions (rather than letting phpCAS start the session).
 | |
|      *
 | |
|      * phpCAS::forceAuthentication() will always exit and forward client unless
 | |
|      * they are already authenticated. To perform an action at the moment the user
 | |
|      * logs in (such as registering an account, performing logging, etc), register
 | |
|      * a callback function here.
 | |
|      *
 | |
|      * @param callable $function       Callback function
 | |
|      * @param array  $additionalArgs optional array of arguments
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setPostAuthenticateCallback ($function, array $additionalArgs = array())
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         self::$_PHPCAS_CLIENT->setPostAuthenticateCallback($function, $additionalArgs);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set a callback function to be run when a single-signout request is
 | |
|      * received. The callback function will be passed a $logoutTicket as its
 | |
|      * first parameter, followed by any $additionalArgs you pass. The
 | |
|      * $logoutTicket parameter is an opaque string that can be used to map a
 | |
|      * session-id to the logout request in order to support single-signout in
 | |
|      * applications that manage their own sessions (rather than letting phpCAS
 | |
|      * start and destroy the session).
 | |
|      *
 | |
|      * @param callable $function       Callback function
 | |
|      * @param array  $additionalArgs optional array of arguments
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setSingleSignoutCallback ($function, array $additionalArgs = array())
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         self::$_PHPCAS_CLIENT->setSingleSignoutCallback($function, $additionalArgs);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is called to check if the user is already authenticated
 | |
|      * locally or has a global cas session. A already existing cas session is
 | |
|      * determined by a cas gateway call.(cas login call without any interactive
 | |
|      * prompt)
 | |
|      *
 | |
|      * @return bool true when the user is authenticated, false when a previous
 | |
|      * gateway login failed or the function will not return if the user is
 | |
|      * redirected to the cas server for a gateway login attempt
 | |
|      */
 | |
|     public static function checkAuthentication()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         $auth = self::$_PHPCAS_CLIENT->checkAuthentication();
 | |
| 
 | |
|         // store where the authentication has been checked and the result
 | |
|         self::$_PHPCAS_CLIENT->markAuthenticationCall($auth);
 | |
| 
 | |
|         phpCAS :: traceEnd($auth);
 | |
|         return $auth;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is called to force authentication if the user was not already
 | |
|      * authenticated. If the user is not authenticated, halt by redirecting to
 | |
|      * the CAS server.
 | |
|      *
 | |
|      * @return bool Authentication
 | |
|      */
 | |
|     public static function forceAuthentication()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
|         $auth = self::$_PHPCAS_CLIENT->forceAuthentication();
 | |
| 
 | |
|         // store where the authentication has been checked and the result
 | |
|         self::$_PHPCAS_CLIENT->markAuthenticationCall($auth);
 | |
| 
 | |
|         /*      if (!$auth) {
 | |
|          phpCAS :: trace('user is not authenticated, redirecting to the CAS server');
 | |
|         self::$_PHPCAS_CLIENT->forceAuthentication();
 | |
|         } else {
 | |
|         phpCAS :: trace('no need to authenticate (user `' . phpCAS :: getUser() . '\' is already authenticated)');
 | |
|         }*/
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|         return $auth;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is called to renew the authentication.
 | |
|      *
 | |
|      * @return void
 | |
|      **/
 | |
|     public static function renewAuthentication()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         $auth = self::$_PHPCAS_CLIENT->renewAuthentication();
 | |
| 
 | |
|         // store where the authentication has been checked and the result
 | |
|         self::$_PHPCAS_CLIENT->markAuthenticationCall($auth);
 | |
| 
 | |
|         //self::$_PHPCAS_CLIENT->renewAuthentication();
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is called to check if the user is authenticated (previously or by
 | |
|      * tickets given in the URL).
 | |
|      *
 | |
|      * @return bool true when the user is authenticated.
 | |
|      */
 | |
|     public static function isAuthenticated()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         // call the isAuthenticated method of the $_PHPCAS_CLIENT object
 | |
|         $auth = self::$_PHPCAS_CLIENT->isAuthenticated();
 | |
| 
 | |
|         // store where the authentication has been checked and the result
 | |
|         self::$_PHPCAS_CLIENT->markAuthenticationCall($auth);
 | |
| 
 | |
|         phpCAS :: traceEnd($auth);
 | |
|         return $auth;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Checks whether authenticated based on $_SESSION. Useful to avoid
 | |
|      * server calls.
 | |
|      *
 | |
|      * @return bool true if authenticated, false otherwise.
 | |
|      * @since 0.4.22 by Brendan Arnold
 | |
|      */
 | |
|     public static function isSessionAuthenticated()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         return (self::$_PHPCAS_CLIENT->isSessionAuthenticated());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method returns the CAS user's login name.
 | |
|      *
 | |
|      * @return string the login name of the authenticated user
 | |
|      * @warning should only be called after phpCAS::forceAuthentication()
 | |
|      * or phpCAS::checkAuthentication().
 | |
|      * */
 | |
|     public static function getUser()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             return self::$_PHPCAS_CLIENT->getUser();
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer attributes about the authenticated user.
 | |
|      *
 | |
|      * @warning should only be called after phpCAS::forceAuthentication()
 | |
|      * or phpCAS::checkAuthentication().
 | |
|      *
 | |
|      * @return array
 | |
|      */
 | |
|     public static function getAttributes()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             return self::$_PHPCAS_CLIENT->getAttributes();
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer true if there are attributes for the authenticated user.
 | |
|      *
 | |
|      * @warning should only be called after phpCAS::forceAuthentication()
 | |
|      * or phpCAS::checkAuthentication().
 | |
|      *
 | |
|      * @return bool
 | |
|      */
 | |
|     public static function hasAttributes()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             return self::$_PHPCAS_CLIENT->hasAttributes();
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer true if an attribute exists for the authenticated user.
 | |
|      *
 | |
|      * @param string $key attribute name
 | |
|      *
 | |
|      * @return bool
 | |
|      * @warning should only be called after phpCAS::forceAuthentication()
 | |
|      * or phpCAS::checkAuthentication().
 | |
|      */
 | |
|     public static function hasAttribute($key)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             return self::$_PHPCAS_CLIENT->hasAttribute($key);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer an attribute for the authenticated user.
 | |
|      *
 | |
|      * @param string $key attribute name
 | |
|      *
 | |
|      * @return mixed string for a single value or an array if multiple values exist.
 | |
|      * @warning should only be called after phpCAS::forceAuthentication()
 | |
|      * or phpCAS::checkAuthentication().
 | |
|      */
 | |
|     public static function getAttribute($key)
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             return self::$_PHPCAS_CLIENT->getAttribute($key);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Handle logout requests.
 | |
|      *
 | |
|      * @param bool  $check_client    additional safety check
 | |
|      * @param array $allowed_clients array of allowed clients
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function handleLogoutRequests($check_client = true, $allowed_clients = array())
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         return (self::$_PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method returns the URL to be used to login.
 | |
|      *
 | |
|      * @return string the login URL
 | |
|      */
 | |
|     public static function getServerLoginURL()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         return self::$_PHPCAS_CLIENT->getServerLoginURL();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the login URL of the CAS server.
 | |
|      *
 | |
|      * @param string $url the login URL
 | |
|      *
 | |
|      * @return void
 | |
|      * @since 0.4.21 by Wyman Chan
 | |
|      */
 | |
|     public static function setServerLoginURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setServerLoginURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the serviceValidate URL of the CAS server.
 | |
|      * Used for all CAS versions of URL validations.
 | |
|      * Examples:
 | |
|      * CAS 1.0 http://www.exemple.com/validate
 | |
|      * CAS 2.0 http://www.exemple.com/validateURL
 | |
|      * CAS 3.0 http://www.exemple.com/p3/serviceValidate
 | |
|      *
 | |
|      * @param string $url the serviceValidate URL
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setServerServiceValidateURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setServerServiceValidateURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the proxyValidate URL of the CAS server.
 | |
|      * Used for all CAS versions of proxy URL validations
 | |
|      * Examples:
 | |
|      * CAS 1.0 http://www.exemple.com/
 | |
|      * CAS 2.0 http://www.exemple.com/proxyValidate
 | |
|      * CAS 3.0 http://www.exemple.com/p3/proxyValidate
 | |
|      *
 | |
|      * @param string $url the proxyValidate URL
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setServerProxyValidateURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setServerProxyValidateURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the samlValidate URL of the CAS server.
 | |
|      *
 | |
|      * @param string $url the samlValidate URL
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setServerSamlValidateURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setServerSamlValidateURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method returns the URL to be used to logout.
 | |
|      *
 | |
|      * @return string the URL to use to log out
 | |
|      */
 | |
|     public static function getServerLogoutURL()
 | |
|     {
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         return self::$_PHPCAS_CLIENT->getServerLogoutURL();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the logout URL of the CAS server.
 | |
|      *
 | |
|      * @param string $url the logout URL
 | |
|      *
 | |
|      * @return void
 | |
|      * @since 0.4.21 by Wyman Chan
 | |
|      */
 | |
|     public static function setServerLogoutURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setServerLogoutURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to logout from CAS.
 | |
|      *
 | |
|      * @param string $params an array that contains the optional url and
 | |
|      * service parameters that will be passed to the CAS server
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function logout($params = "")
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         $parsedParams = array ();
 | |
|         if ($params != "") {
 | |
|             if (is_string($params)) {
 | |
|                 phpCAS :: error('method `phpCAS::logout($url)\' is now deprecated, use `phpCAS::logoutWithUrl($url)\' instead');
 | |
|             }
 | |
|             if (!is_array($params)) {
 | |
|                 phpCAS :: error('type mismatched for parameter $params (should be `array\')');
 | |
|             }
 | |
|             foreach ($params as $key => $value) {
 | |
|                 if ($key != "service" && $key != "url") {
 | |
|                     phpCAS :: error('only `url\' and `service\' parameters are allowed for method `phpCAS::logout($params)\'');
 | |
|                 }
 | |
|                 $parsedParams[$key] = $value;
 | |
|             }
 | |
|         }
 | |
|         self::$_PHPCAS_CLIENT->logout($parsedParams);
 | |
|         // never reached
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to logout from CAS. Halts by redirecting to the CAS
 | |
|      * server.
 | |
|      *
 | |
|      * @param string $service a URL that will be transmitted to the CAS server
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function logoutWithRedirectService($service)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         if (!is_string($service)) {
 | |
|             phpCAS :: error('type mismatched for parameter $service (should be `string\')');
 | |
|         }
 | |
|         self::$_PHPCAS_CLIENT->logout(array ( "service" => $service ));
 | |
|         // never reached
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to logout from CAS. Halts by redirecting to the CAS
 | |
|      * server.
 | |
|      *
 | |
|      * @param string $url a URL that will be transmitted to the CAS server
 | |
|      *
 | |
|      * @return void
 | |
|      * @deprecated The url parameter has been removed from the CAS server as of
 | |
|      * version 3.3.5.1
 | |
|      */
 | |
|     public static function logoutWithUrl($url)
 | |
|     {
 | |
|         trigger_error('Function deprecated for cas servers >= 3.3.5.1', E_USER_DEPRECATED);
 | |
|         phpCAS :: traceBegin();
 | |
|         if (!is_object(self::$_PHPCAS_CLIENT)) {
 | |
|             phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()');
 | |
|         }
 | |
|         if (!is_string($url)) {
 | |
|             phpCAS :: error('type mismatched for parameter $url (should be `string\')');
 | |
|         }
 | |
|         self::$_PHPCAS_CLIENT->logout(array ( "url" => $url ));
 | |
|         // never reached
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to logout from CAS. Halts by redirecting to the CAS
 | |
|      * server.
 | |
|      *
 | |
|      * @param string $service a URL that will be transmitted to the CAS server
 | |
|      * @param string $url     a URL that will be transmitted to the CAS server
 | |
|      *
 | |
|      * @return void
 | |
|      *
 | |
|      * @deprecated The url parameter has been removed from the CAS server as of
 | |
|      * version 3.3.5.1
 | |
|      */
 | |
|     public static function logoutWithRedirectServiceAndUrl($service, $url)
 | |
|     {
 | |
|         trigger_error('Function deprecated for cas servers >= 3.3.5.1', E_USER_DEPRECATED);
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         if (!is_string($service)) {
 | |
|             phpCAS :: error('type mismatched for parameter $service (should be `string\')');
 | |
|         }
 | |
|         if (!is_string($url)) {
 | |
|             phpCAS :: error('type mismatched for parameter $url (should be `string\')');
 | |
|         }
 | |
|         self::$_PHPCAS_CLIENT->logout(
 | |
|             array (
 | |
|                 "service" => $service,
 | |
|                 "url" => $url
 | |
|             )
 | |
|         );
 | |
|         // never reached
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the fixed URL that will be used by the CAS server to transmit the
 | |
|      * PGT. When this method is not called, a phpCAS script uses its own URL
 | |
|      * for the callback.
 | |
|      *
 | |
|      * @param string $url the URL
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setFixedCallbackURL($url = '')
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setCallbackURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the fixed URL that will be set as the CAS service parameter. When this
 | |
|      * method is not called, a phpCAS script uses its own URL.
 | |
|      *
 | |
|      * @param string $url the URL
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setFixedServiceURL($url)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setURL($url);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the URL that is set as the CAS service parameter.
 | |
|      *
 | |
|      * @return string Service Url
 | |
|      */
 | |
|     public static function getServiceURL()
 | |
|     {
 | |
|         phpCAS::_validateProxyExists();
 | |
|         return (self::$_PHPCAS_CLIENT->getURL());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Retrieve a Proxy Ticket from the CAS server.
 | |
|      *
 | |
|      * @param string $target_service Url string of service to proxy
 | |
|      * @param int &$err_code      error code
 | |
|      * @param string &$err_msg       error message
 | |
|      *
 | |
|      * @return string Proxy Ticket
 | |
|      */
 | |
|     public static function retrievePT($target_service, & $err_code, & $err_msg)
 | |
|     {
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         try {
 | |
|             return (self::$_PHPCAS_CLIENT->retrievePT($target_service, $err_code, $err_msg));
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set the certificate of the CAS server CA and if the CN should be properly
 | |
|      * verified.
 | |
|      *
 | |
|      * @param string $cert        CA certificate file name
 | |
|      * @param bool   $validate_cn Validate CN in certificate (default true)
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setCasServerCACert($cert, $validate_cn = true)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->setCasServerCACert($cert, $validate_cn);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set no SSL validation for the CAS server.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setNoCasServerValidation()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         phpCAS :: trace('You have configured no validation of the legitimacy of the cas server. This is not recommended for production use.');
 | |
|         self::$_PHPCAS_CLIENT->setNoCasServerValidation();
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Disable the removal of a CAS-Ticket from the URL when authenticating
 | |
|      * DISABLING POSES A SECURITY RISK:
 | |
|      * We normally remove the ticket by an additional redirect as a security
 | |
|      * precaution to prevent a ticket in the HTTP_REFERRER or be carried over in
 | |
|      * the URL parameter
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setNoClearTicketsFromUrl()
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         self::$_PHPCAS_CLIENT->setNoClearTicketsFromUrl();
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /** @} */
 | |
| 
 | |
|     /**
 | |
|      * Change CURL options.
 | |
|      * CURL is used to connect through HTTPS to CAS server
 | |
|      *
 | |
|      * @param string $key   the option key
 | |
|      * @param string $value the value to set
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setExtraCurlOption($key, $value)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         self::$_PHPCAS_CLIENT->setExtraCurlOption($key, $value);
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Set a salt/seed for the session-id hash to make it harder to guess.
 | |
|      *
 | |
|      * When $changeSessionID = true phpCAS will create a session-id that is derived
 | |
|      * from the service ticket. Doing so allows phpCAS to look-up and destroy the
 | |
|      * proper session on single-log-out requests. While the service tickets
 | |
|      * provided by the CAS server may include enough data to generate a strong
 | |
|      * hash, clients may provide an additional salt to ensure that session ids
 | |
|      * are not guessable if the session tickets do not have enough entropy.
 | |
|      *
 | |
|      * @param string $salt The salt to combine with the session ticket.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|      public static function setSessionIdSalt($salt) {
 | |
|        phpCAS :: traceBegin();
 | |
|        phpCAS::_validateClientExists();
 | |
|        self::$_PHPCAS_CLIENT->setSessionIdSalt($salt);
 | |
|        phpCAS :: traceEnd();
 | |
|      }
 | |
| 
 | |
|     /**
 | |
|      * If you want your service to be proxied you have to enable it (default
 | |
|      * disabled) and define an accepable list of proxies that are allowed to
 | |
|      * proxy your service.
 | |
|      *
 | |
|      * Add each allowed proxy definition object. For the normal CAS_ProxyChain
 | |
|      * class, the constructor takes an array of proxies to match. The list is in
 | |
|      * reverse just as seen from the service. Proxies have to be defined in reverse
 | |
|      * from the service to the user. If a user hits service A and gets proxied via
 | |
|      * B to service C the list of acceptable on C would be array(B,A). The definition
 | |
|      * of an individual proxy can be either a string or a regexp (preg_match is used)
 | |
|      * that will be matched against the proxy list supplied by the cas server
 | |
|      * when validating the proxy tickets. The strings are compared starting from
 | |
|      * the beginning and must fully match with the proxies in the list.
 | |
|      * Example:
 | |
|      * 		phpCAS::allowProxyChain(new CAS_ProxyChain(array(
 | |
|      *				'https://app.example.com/'
 | |
|      *			)));
 | |
|      * 		phpCAS::allowProxyChain(new CAS_ProxyChain(array(
 | |
|      *				'/^https:\/\/app[0-9]\.example\.com\/rest\//',
 | |
|      *				'http://client.example.com/'
 | |
|      *			)));
 | |
|      *
 | |
|      * For quick testing or in certain production screnarios you might want to
 | |
|      * allow allow any other valid service to proxy your service. To do so, add
 | |
|      * the "Any" chain:
 | |
|      *		phpCAS::allowProxyChain(new CAS_ProxyChain_Any);
 | |
|      * THIS SETTING IS HOWEVER NOT RECOMMENDED FOR PRODUCTION AND HAS SECURITY
 | |
|      * IMPLICATIONS: YOU ARE ALLOWING ANY SERVICE TO ACT ON BEHALF OF A USER
 | |
|      * ON THIS SERVICE.
 | |
|      *
 | |
|      * @param CAS_ProxyChain_Interface $proxy_chain A proxy-chain that will be
 | |
|      * matched against the proxies requesting access
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function allowProxyChain(CAS_ProxyChain_Interface $proxy_chain)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         if (self::$_PHPCAS_CLIENT->getServerVersion() !== CAS_VERSION_2_0
 | |
|             && self::$_PHPCAS_CLIENT->getServerVersion() !== CAS_VERSION_3_0
 | |
|         ) {
 | |
|             phpCAS :: error('this method can only be used with the cas 2.0/3.0 protocols');
 | |
|         }
 | |
|         self::$_PHPCAS_CLIENT->getAllowedProxyChains()->allowProxyChain($proxy_chain);
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Answer an array of proxies that are sitting in front of this application.
 | |
|      * This method will only return a non-empty array if we have received and
 | |
|      * validated a Proxy Ticket.
 | |
|      *
 | |
|      * @return array
 | |
|      * @access public
 | |
|      * @since 6/25/09
 | |
|      */
 | |
|     public static function getProxies ()
 | |
|     {
 | |
|         phpCAS::_validateProxyExists();
 | |
| 
 | |
|         return(self::$_PHPCAS_CLIENT->getProxies());
 | |
|     }
 | |
| 
 | |
|     // ########################################################################
 | |
|     // PGTIOU/PGTID and logoutRequest rebroadcasting
 | |
|     // ########################################################################
 | |
| 
 | |
|     /**
 | |
|      * Add a pgtIou/pgtId and logoutRequest rebroadcast node.
 | |
|      *
 | |
|      * @param string $rebroadcastNodeUrl The rebroadcast node URL. Can be
 | |
|      * hostname or IP.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function addRebroadcastNode($rebroadcastNodeUrl)
 | |
|     {
 | |
|         phpCAS::traceBegin();
 | |
|         phpCAS::log('rebroadcastNodeUrl:'.$rebroadcastNodeUrl);
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->addRebroadcastNode($rebroadcastNodeUrl);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS::traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * This method is used to add header parameters when rebroadcasting
 | |
|      * pgtIou/pgtId or logoutRequest.
 | |
|      *
 | |
|      * @param String $header Header to send when rebroadcasting.
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function addRebroadcastHeader($header)
 | |
|     {
 | |
|         phpCAS :: traceBegin();
 | |
|         phpCAS::_validateClientExists();
 | |
| 
 | |
|         try {
 | |
|             self::$_PHPCAS_CLIENT->addRebroadcastHeader($header);
 | |
|         } catch (Exception $e) {
 | |
|             phpCAS :: error(get_class($e) . ': ' . $e->getMessage());
 | |
|         }
 | |
| 
 | |
|         phpCAS :: traceEnd();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Checks if a client already exists
 | |
|      *
 | |
|      * @throws CAS_OutOfSequenceBeforeClientException
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     private static function _validateClientExists()
 | |
|     {
 | |
|         if (!is_object(self::$_PHPCAS_CLIENT)) {
 | |
|             throw new CAS_OutOfSequenceBeforeClientException();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Checks of a proxy client aready exists
 | |
|      *
 | |
|      * @throws CAS_OutOfSequenceBeforeProxyException
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     private static function _validateProxyExists()
 | |
|     {
 | |
|         if (!is_object(self::$_PHPCAS_CLIENT)) {
 | |
|             throw new CAS_OutOfSequenceBeforeProxyException();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @return CAS_Client
 | |
|      */
 | |
|     public static function getCasClient()
 | |
|     {
 | |
|         return self::$_PHPCAS_CLIENT;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * For testing purposes, use this method to set the client to a test double
 | |
|      *
 | |
|      * @return void
 | |
|      */
 | |
|     public static function setCasClient(\CAS_Client $client)
 | |
|     {
 | |
|         self::$_PHPCAS_CLIENT = $client;
 | |
|     }
 | |
| }
 | |
| // ########################################################################
 | |
| // DOCUMENTATION
 | |
| // ########################################################################
 | |
| 
 | |
| // ########################################################################
 | |
| //  MAIN PAGE
 | |
| 
 | |
| /**
 | |
|  * @mainpage
 | |
|  *
 | |
|  * The following pages only show the source documentation.
 | |
|  *
 | |
|  */
 | |
| 
 | |
| // ########################################################################
 | |
| //  MODULES DEFINITION
 | |
| 
 | |
| /** @defgroup public User interface */
 | |
| 
 | |
| /** @defgroup publicInit Initialization
 | |
|  *  @ingroup public */
 | |
| 
 | |
| /** @defgroup publicAuth Authentication
 | |
|  *  @ingroup public */
 | |
| 
 | |
| /** @defgroup publicServices Access to external services
 | |
|  *  @ingroup public */
 | |
| 
 | |
| /** @defgroup publicConfig Configuration
 | |
|  *  @ingroup public */
 | |
| 
 | |
| /** @defgroup publicLang Internationalization
 | |
|  *  @ingroup publicConfig */
 | |
| 
 | |
| /** @defgroup publicOutput HTML output
 | |
|  *  @ingroup publicConfig */
 | |
| 
 | |
| /** @defgroup publicPGTStorage PGT storage
 | |
|  *  @ingroup publicConfig */
 | |
| 
 | |
| /** @defgroup publicDebug Debugging
 | |
|  *  @ingroup public */
 | |
| 
 | |
| /** @defgroup internal Implementation */
 | |
| 
 | |
| /** @defgroup internalAuthentication Authentication
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalBasic CAS Basic client features (CAS 1.0, Service Tickets)
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalProxy CAS Proxy features (CAS 2.0, Proxy Granting Tickets)
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalSAML CAS SAML features (SAML 1.1)
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalPGTStorage PGT storage
 | |
|  *  @ingroup internalProxy */
 | |
| 
 | |
| /** @defgroup internalPGTStorageDb PGT storage in a database
 | |
|  *  @ingroup internalPGTStorage */
 | |
| 
 | |
| /** @defgroup internalPGTStorageFile PGT storage on the filesystem
 | |
|  *  @ingroup internalPGTStorage */
 | |
| 
 | |
| /** @defgroup internalCallback Callback from the CAS server
 | |
|  *  @ingroup internalProxy */
 | |
| 
 | |
| /** @defgroup internalProxyServices Proxy other services
 | |
|  *  @ingroup internalProxy */
 | |
| 
 | |
| /** @defgroup internalService CAS client features (CAS 2.0, Proxied service)
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalConfig Configuration
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalBehave Internal behaviour of phpCAS
 | |
|  *  @ingroup internalConfig */
 | |
| 
 | |
| /** @defgroup internalOutput HTML output
 | |
|  *  @ingroup internalConfig */
 | |
| 
 | |
| /** @defgroup internalLang Internationalization
 | |
|  *  @ingroup internalConfig
 | |
|  *
 | |
|  * To add a new language:
 | |
|  * - 1. define a new constant PHPCAS_LANG_XXXXXX in CAS/CAS.php
 | |
|  * - 2. copy any file from CAS/languages to CAS/languages/XXXXXX.php
 | |
|  * - 3. Make the translations
 | |
|  */
 | |
| 
 | |
| /** @defgroup internalDebug Debugging
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| /** @defgroup internalMisc Miscellaneous
 | |
|  *  @ingroup internal */
 | |
| 
 | |
| // ########################################################################
 | |
| //  EXAMPLES
 | |
| 
 | |
| /**
 | |
|  * @example example_simple.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_service.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_service_that_proxies.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_service_POST.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_proxy_serviceWeb.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_proxy_serviceWeb_chaining.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_proxy_POST.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_proxy_GET.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_lang.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_html.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_pgt_storage_file.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_pgt_storage_db.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_gateway.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_logout.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_rebroadcast.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_custom_urls.php
 | |
|  */
 | |
| /**
 | |
|  * @example example_advanced_saml11.php
 | |
|  */
 |