diff options
Diffstat (limited to 'plugins/CasAuthentication/extlib/CAS.php')
-rw-r--r-- | plugins/CasAuthentication/extlib/CAS.php | 2942 |
1 files changed, 1471 insertions, 1471 deletions
diff --git a/plugins/CasAuthentication/extlib/CAS.php b/plugins/CasAuthentication/extlib/CAS.php index 59238eb81..f5ea0b12a 100644 --- a/plugins/CasAuthentication/extlib/CAS.php +++ b/plugins/CasAuthentication/extlib/CAS.php @@ -1,1471 +1,1471 @@ -<?php
-
-// commented in 0.4.22-RC2 for Sylvain Derosiaux
-// error_reporting(E_ALL ^ E_NOTICE);
-
-//
-// hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI'] in IIS
-//
-if (!$_SERVER['REQUEST_URI']) {
- $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'].'?'.$_SERVER['QUERY_STRING'];
-}
-
-//
-// another one by Vangelis Haniotakis also to make phpCAS work with PHP5
-//
-if (version_compare(PHP_VERSION,'5','>=')) {
- require_once(dirname(__FILE__).'/CAS/domxml-php4-php5.php');
-}
-
-/**
- * @file CAS/CAS.php
- * Interface class of the phpCAS library
- *
- * @ingroup public
- */
-
-// ########################################################################
-// CONSTANTS
-// ########################################################################
-
-// ------------------------------------------------------------------------
-// CAS VERSIONS
-// ------------------------------------------------------------------------
-
-/**
- * phpCAS version. accessible for the user by phpCAS::getVersion().
- */
-define('PHPCAS_VERSION','1.0.1');
-
-// ------------------------------------------------------------------------
-// CAS VERSIONS
-// ------------------------------------------------------------------------
- /**
- * @addtogroup public
- * @{
- */
-
-/**
- * CAS version 1.0
- */
-define("CAS_VERSION_1_0",'1.0');
-/*!
- * CAS version 2.0
- */
-define("CAS_VERSION_2_0",'2.0');
-
-/** @} */
- /**
- * @addtogroup publicPGTStorage
- * @{
- */
-// ------------------------------------------------------------------------
-// FILE PGT STORAGE
-// ------------------------------------------------------------------------
- /**
- * Default path used when storing PGT's to file
- */
-define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH",'/tmp');
-/**
- * phpCAS::setPGTStorageFile()'s 2nd parameter to write plain text files
- */
-define("CAS_PGT_STORAGE_FILE_FORMAT_PLAIN",'plain');
-/**
- * phpCAS::setPGTStorageFile()'s 2nd parameter to write xml files
- */
-define("CAS_PGT_STORAGE_FILE_FORMAT_XML",'xml');
-/**
- * Default format used when storing PGT's to file
- */
-define("CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT",CAS_PGT_STORAGE_FILE_FORMAT_PLAIN);
-// ------------------------------------------------------------------------
-// DATABASE PGT STORAGE
-// ------------------------------------------------------------------------
- /**
- * default database type when storing PGT's to database
- */
-define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE",'mysql');
-/**
- * default host when storing PGT's to database
- */
-define("CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME",'localhost');
-/**
- * default port when storing PGT's to database
- */
-define("CAS_PGT_STORAGE_DB_DEFAULT_PORT",'');
-/**
- * default database when storing PGT's to database
- */
-define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE",'phpCAS');
-/**
- * default table when storing PGT's to database
- */
-define("CAS_PGT_STORAGE_DB_DEFAULT_TABLE",'pgt');
-
-/** @} */
-// ------------------------------------------------------------------------
-// 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);
-
-/** @} */
-// ------------------------------------------------------------------------
-// LANGUAGES
-// ------------------------------------------------------------------------
- /**
- * @addtogroup publicLang
- * @{
- */
-
-define("PHPCAS_LANG_ENGLISH", 'english');
-define("PHPCAS_LANG_FRENCH", 'french');
-define("PHPCAS_LANG_GREEK", 'greek');
-define("PHPCAS_LANG_GERMAN", 'german');
-define("PHPCAS_LANG_JAPANESE", 'japanese');
-define("PHPCAS_LANG_SPANISH", 'spanish');
-define("PHPCAS_LANG_CATALAN", 'catalan');
-
-/** @} */
-
-/**
- * @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.
- */
-define('DEFAULT_DEBUG_DIR','/tmp/');
-
-/** @} */
-// ------------------------------------------------------------------------
-// MISC
-// ------------------------------------------------------------------------
- /**
- * @addtogroup internalMisc
- * @{
- */
-
-/**
- * This global variable is used by the interface class phpCAS.
- *
- * @hideinitializer
- */
-$GLOBALS['PHPCAS_CLIENT'] = null;
-
-/**
- * This global variable is used to store where the initializer is called from
- * (to print a comprehensive error in case of multiple calls).
- *
- * @hideinitializer
- */
-$GLOBALS['PHPCAS_INIT_CALL'] = array('done' => FALSE,
- 'file' => '?',
- 'line' => -1,
- 'method' => '?');
-
-/**
- * This global variable is used to store where the method checking
- * the authentication is called from (to print comprehensive errors)
- *
- * @hideinitializer
- */
-$GLOBALS['PHPCAS_AUTH_CHECK_CALL'] = array('done' => FALSE,
- 'file' => '?',
- 'line' => -1,
- 'method' => '?',
- 'result' => FALSE);
-
-/**
- * This global variable is used to store phpCAS debug mode.
- *
- * @hideinitializer
- */
-$GLOBALS['PHPCAS_DEBUG'] = array('filename' => FALSE,
- 'indent' => 0,
- 'unique_id' => '');
-
-/** @} */
-
-// ########################################################################
-// CLIENT CLASS
-// ########################################################################
-
-// include client class
-include_once(dirname(__FILE__).'/CAS/client.php');
-
-// ########################################################################
-// INTERFACE CLASS
-// ########################################################################
-
-/**
- * @class phpCAS
- * The phpCAS class is a simple container for the phpCAS library. It provides CAS
- * authentication for web applications written in PHP.
- *
- * @ingroup public
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
- *
- * \internal All its methods access the same object ($PHPCAS_CLIENT, declared
- * at the end of CAS/client.php).
- */
-
-
-
-class phpCAS
-{
-
- // ########################################################################
- // INITIALIZATION
- // ########################################################################
-
- /**
- * @addtogroup publicInit
- * @{
- */
-
- /**
- * phpCAS client initializer.
- * @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()).
- *
- * @param $server_version the version of the CAS server
- * @param $server_hostname the hostname of the CAS server
- * @param $server_port the port the CAS server is running on
- * @param $server_uri the URI the CAS server is responding on
- * @param $start_session Have phpCAS start PHP sessions (default true)
- *
- * @return a newly created CASClient object
- */
- function client($server_version,
- $server_hostname,
- $server_port,
- $server_uri,
- $start_session = true)
- {
- global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;
-
- phpCAS::traceBegin();
- if ( is_object($PHPCAS_CLIENT) ) {
- phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');
- }
- if ( gettype($server_version) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_version (should be `string\')');
- }
- if ( gettype($server_hostname) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');
- }
- if ( gettype($server_port) != 'integer' ) {
- phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');
- }
- if ( gettype($server_uri) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');
- }
-
- // store where the initialzer is called from
- $dbg = phpCAS::backtrace();
- $PHPCAS_INIT_CALL = array('done' => TRUE,
- 'file' => $dbg[0]['file'],
- 'line' => $dbg[0]['line'],
- 'method' => __CLASS__.'::'.__FUNCTION__);
-
- // initialize the global object $PHPCAS_CLIENT
- $PHPCAS_CLIENT = new CASClient($server_version,FALSE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);
- phpCAS::traceEnd();
- }
-
- /**
- * phpCAS proxy initializer.
- * @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()).
- *
- * @param $server_version the version of the CAS server
- * @param $server_hostname the hostname of the CAS server
- * @param $server_port the port the CAS server is running on
- * @param $server_uri the URI the CAS server is responding on
- * @param $start_session Have phpCAS start PHP sessions (default true)
- *
- * @return a newly created CASClient object
- */
- function proxy($server_version,
- $server_hostname,
- $server_port,
- $server_uri,
- $start_session = true)
- {
- global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;
-
- phpCAS::traceBegin();
- if ( is_object($PHPCAS_CLIENT) ) {
- phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');
- }
- if ( gettype($server_version) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_version (should be `string\')');
- }
- if ( gettype($server_hostname) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');
- }
- if ( gettype($server_port) != 'integer' ) {
- phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');
- }
- if ( gettype($server_uri) != 'string' ) {
- phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');
- }
-
- // store where the initialzer is called from
- $dbg = phpCAS::backtrace();
- $PHPCAS_INIT_CALL = array('done' => TRUE,
- 'file' => $dbg[0]['file'],
- 'line' => $dbg[0]['line'],
- 'method' => __CLASS__.'::'.__FUNCTION__);
-
- // initialize the global object $PHPCAS_CLIENT
- $PHPCAS_CLIENT = new CASClient($server_version,TRUE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);
- phpCAS::traceEnd();
- }
-
- /** @} */
- // ########################################################################
- // DEBUGGING
- // ########################################################################
-
- /**
- * @addtogroup publicDebug
- * @{
- */
-
- /**
- * Set/unset debug mode
- *
- * @param $filename the name of the file used for logging, or FALSE to stop debugging.
- */
- function setDebug($filename='')
- {
- global $PHPCAS_DEBUG;
-
- if ( $filename != FALSE && gettype($filename) != 'string' ) {
- phpCAS::error('type mismatched for parameter $dbg (should be FALSE or the name of the log file)');
- }
-
- if ( empty($filename) ) {
- if ( preg_match('/^Win.*/',getenv('OS')) ) {
- if ( isset($_ENV['TMP']) ) {
- $debugDir = $_ENV['TMP'].'/';
- } else if ( isset($_ENV['TEMP']) ) {
- $debugDir = $_ENV['TEMP'].'/';
- } else {
- $debugDir = '';
- }
- } else {
- $debugDir = DEFAULT_DEBUG_DIR;
- }
- $filename = $debugDir . 'phpCAS.log';
- }
-
- if ( empty($PHPCAS_DEBUG['unique_id']) ) {
- $PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))),0,4);
- }
-
- $PHPCAS_DEBUG['filename'] = $filename;
-
- phpCAS::trace('START ******************');
- }
-
- /** @} */
- /**
- * @addtogroup internalDebug
- * @{
- */
-
- /**
- * This method is a wrapper for debug_backtrace() that is not available
- * in all PHP versions (>= 4.3.0 only)
- */
- function backtrace()
- {
- if ( function_exists('debug_backtrace') ) {
- return debug_backtrace();
- } else {
- // poor man's hack ... but it does work ...
- return array();
- }
- }
-
- /**
- * Logs a string in debug mode.
- *
- * @param $str the string to write
- *
- * @private
- */
- function log($str)
- {
- $indent_str = ".";
- global $PHPCAS_DEBUG;
-
- if ( $PHPCAS_DEBUG['filename'] ) {
- for ($i=0;$i<$PHPCAS_DEBUG['indent'];$i++) {
- $indent_str .= '| ';
- }
- error_log($PHPCAS_DEBUG['unique_id'].' '.$indent_str.$str."\n",3,$PHPCAS_DEBUG['filename']);
- }
-
- }
-
- /**
- * This method is used by interface methods to print an error and where the function
- * was originally called from.
- *
- * @param $msg the message to print
- *
- * @private
- */
- function error($msg)
- {
- $dbg = phpCAS::backtrace();
- $function = '?';
- $file = '?';
- $line = '?';
- if ( is_array($dbg) ) {
- for ( $i=1; $i<sizeof($dbg); $i++) {
- if ( is_array($dbg[$i]) ) {
- if ( $dbg[$i]['class'] == __CLASS__ ) {
- $function = $dbg[$i]['function'];
- $file = $dbg[$i]['file'];
- $line = $dbg[$i]['line'];
- }
- }
- }
- }
- 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($msg);
- phpCAS::traceExit();
- exit();
- }
-
- /**
- * This method is used to log something in debug mode.
- */
- function trace($str)
- {
- $dbg = phpCAS::backtrace();
- phpCAS::log($str.' ['.basename($dbg[1]['file']).':'.$dbg[1]['line'].']');
- }
-
- /**
- * This method is used to indicate the start of the execution of a function in debug mode.
- */
- function traceBegin()
- {
- global $PHPCAS_DEBUG;
-
- $dbg = phpCAS::backtrace();
- $str = '=> ';
- if ( !empty($dbg[2]['class']) ) {
- $str .= $dbg[2]['class'].'::';
- }
- $str .= $dbg[2]['function'].'(';
- if ( is_array($dbg[2]['args']) ) {
- foreach ($dbg[2]['args'] as $index => $arg) {
- if ( $index != 0 ) {
- $str .= ', ';
- }
- $str .= str_replace("\n","",var_export($arg,TRUE));
- }
- }
- $str .= ') ['.basename($dbg[2]['file']).':'.$dbg[2]['line'].']';
- phpCAS::log($str);
- $PHPCAS_DEBUG['indent'] ++;
- }
-
- /**
- * This method is used to indicate the end of the execution of a function in debug mode.
- *
- * @param $res the result of the function
- */
- function traceEnd($res='')
- {
- global $PHPCAS_DEBUG;
-
- $PHPCAS_DEBUG['indent'] --;
- $dbg = phpCAS::backtrace();
- $str = '';
- $str .= '<= '.str_replace("\n","",var_export($res,TRUE));
- phpCAS::log($str);
- }
-
- /**
- * This method is used to indicate the end of the execution of the program
- */
- function traceExit()
- {
- global $PHPCAS_DEBUG;
-
- phpCAS::log('exit()');
- while ( $PHPCAS_DEBUG['indent'] > 0 ) {
- phpCAS::log('-');
- $PHPCAS_DEBUG['indent'] --;
- }
- }
-
- /** @} */
- // ########################################################################
- // INTERNATIONALIZATION
- // ########################################################################
- /**
- * @addtogroup publicLang
- * @{
- */
-
- /**
- * This method is used to set the language used by phpCAS.
- * @note Can be called only once.
- *
- * @param $lang a string representing the language.
- *
- * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH
- */
- function setLang($lang)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- if ( gettype($lang) != 'string' ) {
- phpCAS::error('type mismatched for parameter $lang (should be `string\')');
- }
- $PHPCAS_CLIENT->setLang($lang);
- }
-
- /** @} */
- // ########################################################################
- // VERSION
- // ########################################################################
- /**
- * @addtogroup public
- * @{
- */
-
- /**
- * This method returns the phpCAS version.
- *
- * @return the phpCAS version.
- */
- function getVersion()
- {
- return PHPCAS_VERSION;
- }
-
- /** @} */
- // ########################################################################
- // HTML OUTPUT
- // ########################################################################
- /**
- * @addtogroup publicOutput
- * @{
- */
-
- /**
- * This method sets the HTML header used for all outputs.
- *
- * @param $header the HTML header.
- */
- function setHTMLHeader($header)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- if ( gettype($header) != 'string' ) {
- phpCAS::error('type mismatched for parameter $header (should be `string\')');
- }
- $PHPCAS_CLIENT->setHTMLHeader($header);
- }
-
- /**
- * This method sets the HTML footer used for all outputs.
- *
- * @param $footer the HTML footer.
- */
- function setHTMLFooter($footer)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- if ( gettype($footer) != 'string' ) {
- phpCAS::error('type mismatched for parameter $footer (should be `string\')');
- }
- $PHPCAS_CLIENT->setHTMLFooter($footer);
- }
-
- /** @} */
- // ########################################################################
- // PGT STORAGE
- // ########################################################################
- /**
- * @addtogroup publicPGTStorage
- * @{
- */
-
- /**
- * This method is used to tell phpCAS to store the response of the
- * CAS server to PGT requests onto the filesystem.
- *
- * @param $format the format used to store the PGT's (`plain' and `xml' allowed)
- * @param $path the path where the PGT's should be stored
- */
- function setPGTStorageFile($format='',
- $path='')
- {
- global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_CLIENT->isProxy() ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {
- phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');
- }
- if ( gettype($format) != 'string' ) {
- phpCAS::error('type mismatched for parameter $format (should be `string\')');
- }
- if ( gettype($path) != 'string' ) {
- phpCAS::error('type mismatched for parameter $format (should be `string\')');
- }
- $PHPCAS_CLIENT->setPGTStorageFile($format,$path);
- phpCAS::traceEnd();
- }
-
- /**
- * This method is used to tell phpCAS to store the response of the
- * CAS server to PGT requests into a database.
- * @note The connection to the database is done only when needed.
- * As a consequence, bad parameters are detected only when
- * initializing PGT storage, except in debug mode.
- *
- * @param $user the user to access the data with
- * @param $password the user's password
- * @param $database_type the type of the database hosting the data
- * @param $hostname the server hosting the database
- * @param $port the port the server is listening on
- * @param $database the name of the database
- * @param $table the name of the table storing the data
- */
- function setPGTStorageDB($user,
- $password,
- $database_type='',
- $hostname='',
- $port=0,
- $database='',
- $table='')
- {
- global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_CLIENT->isProxy() ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {
- phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');
- }
- if ( gettype($user) != 'string' ) {
- phpCAS::error('type mismatched for parameter $user (should be `string\')');
- }
- if ( gettype($password) != 'string' ) {
- phpCAS::error('type mismatched for parameter $password (should be `string\')');
- }
- if ( gettype($database_type) != 'string' ) {
- phpCAS::error('type mismatched for parameter $database_type (should be `string\')');
- }
- if ( gettype($hostname) != 'string' ) {
- phpCAS::error('type mismatched for parameter $hostname (should be `string\')');
- }
- if ( gettype($port) != 'integer' ) {
- phpCAS::error('type mismatched for parameter $port (should be `integer\')');
- }
- if ( gettype($database) != 'string' ) {
- phpCAS::error('type mismatched for parameter $database (should be `string\')');
- }
- if ( gettype($table) != 'string' ) {
- phpCAS::error('type mismatched for parameter $table (should be `string\')');
- }
- $PHPCAS_CLIENT->setPGTStorageDB($this,$user,$password,$hostname,$port,$database,$table);
- phpCAS::traceEnd();
- }
-
- /** @} */
- // ########################################################################
- // ACCESS TO EXTERNAL SERVICES
- // ########################################################################
- /**
- * @addtogroup publicServices
- * @{
- */
-
- /**
- * This method is used to access an HTTP[S] service.
- *
- * @param $url the service to access.
- * @param $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 $output the output of the service (also used to give an error
- * message on failure).
- *
- * @return TRUE on success, FALSE otherwise (in this later case, $err_code
- * gives the reason why it failed and $output contains an error message).
- */
- function serviceWeb($url,&$err_code,&$output)
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_CLIENT->isProxy() ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
- phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
- phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be `string\')');
- }
-
- $res = $PHPCAS_CLIENT->serviceWeb($url,$err_code,$output);
-
- phpCAS::traceEnd($res);
- return $res;
- }
-
- /**
- * This method is used to access an IMAP/POP3/NNTP service.
- *
- * @param $url a string giving the URL of the service, including the mailing box
- * for IMAP URLs, as accepted by imap_open().
- * @param $flags options given to imap_open().
- * @param $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 $err_msg an error message on failure
- * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL
- * on success, FALSE on error).
- *
- * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code
- * gives the reason why it failed and $err_msg contains an error message).
- */
- function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_CLIENT->isProxy() ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
- phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
- phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be `string\')');
- }
-
- if ( gettype($flags) != 'integer' ) {
- phpCAS::error('type mismatched for parameter $flags (should be `integer\')');
- }
-
- $res = $PHPCAS_CLIENT->serviceMail($url,$flags,$err_code,$err_msg,$pt);
-
- 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 $n an integer.
- */
- function setCacheTimesForAuthRecheck($n)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- if ( gettype($n) != 'integer' ) {
- phpCAS::error('type mismatched for parameter $header (should be `string\')');
- }
- $PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n);
- }
-
- /**
- * This method is called to check if the user is authenticated (use the gateway feature).
- * @return TRUE when the user is authenticated; otherwise FALSE.
- */
- function checkAuthentication()
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
-
- $auth = $PHPCAS_CLIENT->checkAuthentication();
-
- // store where the authentication has been checked and the result
- $dbg = phpCAS::backtrace();
- $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
- 'file' => $dbg[0]['file'],
- 'line' => $dbg[0]['line'],
- 'method' => __CLASS__.'::'.__FUNCTION__,
- 'result' => $auth );
- phpCAS::traceEnd($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.
- */
- function forceAuthentication()
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
-
- $auth = $PHPCAS_CLIENT->forceAuthentication();
-
- // store where the authentication has been checked and the result
- $dbg = phpCAS::backtrace();
- $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
- 'file' => $dbg[0]['file'],
- 'line' => $dbg[0]['line'],
- 'method' => __CLASS__.'::'.__FUNCTION__,
- 'result' => $auth );
-
- if ( !$auth ) {
- phpCAS::trace('user is not authenticated, redirecting to the CAS server');
- $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.
- **/
- function renewAuthentication() {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before'.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
-
- // store where the authentication has been checked and the result
- $dbg = phpCAS::backtrace();
- $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, 'file' => $dbg[0]['file'], 'line' => $dbg[0]['line'], 'method' => __CLASS__.'::'.__FUNCTION__, 'result' => $auth );
-
- $PHPCAS_CLIENT->renewAuthentication();
- phpCAS::traceEnd();
- }
-
- /**
- * This method has been left from version 0.4.1 for compatibility reasons.
- */
- function authenticate()
- {
- phpCAS::error('this method is deprecated. You should use '.__CLASS__.'::forceAuthentication() instead');
- }
-
- /**
- * This method is called to check if the user is authenticated (previously or by
- * tickets given in the URL).
- *
- * @return TRUE when the user is authenticated.
- */
- function isAuthenticated()
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
-
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
-
- // call the isAuthenticated method of the global $PHPCAS_CLIENT object
- $auth = $PHPCAS_CLIENT->isAuthenticated();
-
- // store where the authentication has been checked and the result
- $dbg = phpCAS::backtrace();
- $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
- 'file' => $dbg[0]['file'],
- 'line' => $dbg[0]['line'],
- 'method' => __CLASS__.'::'.__FUNCTION__,
- 'result' => $auth );
- phpCAS::traceEnd($auth);
- return $auth;
- }
-
- /**
- * Checks whether authenticated based on $_SESSION. Useful to avoid
- * server calls.
- * @return true if authenticated, false otherwise.
- * @since 0.4.22 by Brendan Arnold
- */
- function isSessionAuthenticated ()
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- return($PHPCAS_CLIENT->isSessionAuthenticated());
- }
-
- /**
- * This method returns the CAS user's login name.
- * @warning should not be called only after phpCAS::forceAuthentication()
- * or phpCAS::checkAuthentication().
- *
- * @return the login name of the authenticated user
- */
- function getUser()
- {
- global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');
- }
- if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
- phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
- }
- return $PHPCAS_CLIENT->getUser();
- }
-
- /**
- * Handle logout requests.
- */
- function handleLogoutRequests($check_client=true, $allowed_clients=false)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- return($PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients));
- }
-
- /**
- * This method returns the URL to be used to login.
- * or phpCAS::isAuthenticated().
- *
- * @return the login name of the authenticated user
- */
- function getServerLoginURL()
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- return $PHPCAS_CLIENT->getServerLoginURL();
- }
-
- /**
- * Set the login URL of the CAS server.
- * @param $url the login URL
- * @since 0.4.21 by Wyman Chan
- */
- function setServerLoginURL($url='')
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after
- '.__CLASS__.'::client()');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be
- `string\')');
- }
- $PHPCAS_CLIENT->setServerLoginURL($url);
- phpCAS::traceEnd();
- }
-
- /**
- * This method returns the URL to be used to login.
- * or phpCAS::isAuthenticated().
- *
- * @return the login name of the authenticated user
- */
- function getServerLogoutURL()
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
- }
- return $PHPCAS_CLIENT->getServerLogoutURL();
- }
-
- /**
- * Set the logout URL of the CAS server.
- * @param $url the logout URL
- * @since 0.4.21 by Wyman Chan
- */
- function setServerLogoutURL($url='')
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after
- '.__CLASS__.'::client()');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be
- `string\')');
- }
- $PHPCAS_CLIENT->setServerLogoutURL($url);
- phpCAS::traceEnd();
- }
-
- /**
- * This method is used to logout from CAS.
- * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server
- * @public
- */
- function logout($params = "") {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if (!is_object($PHPCAS_CLIENT)) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- $parsedParams = array();
- if ($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;
- }
- }
- $PHPCAS_CLIENT->logout($parsedParams);
- // never reached
- phpCAS::traceEnd();
- }
-
- /**
- * This method is used to logout from CAS. Halts by redirecting to the CAS server.
- * @param $service a URL that will be transmitted to the CAS server
- */
- function logoutWithRedirectService($service) {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- if (!is_string($service)) {
- phpCAS::error('type mismatched for parameter $service (should be `string\')');
- }
- $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 $url a URL that will be transmitted to the CAS server
- */
- function logoutWithUrl($url) {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($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\')');
- }
- $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 $service a URL that will be transmitted to the CAS server
- * @param $url a URL that will be transmitted to the CAS server
- */
- function logoutWithRedirectServiceAndUrl($service, $url) {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- 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\')');
- }
- $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 $url the URL
- */
- function setFixedCallbackURL($url='')
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( !$PHPCAS_CLIENT->isProxy() ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be `string\')');
- }
- $PHPCAS_CLIENT->setCallbackURL($url);
- 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 $url the URL
- */
- function setFixedServiceURL($url)
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( gettype($url) != 'string' ) {
- phpCAS::error('type mismatched for parameter $url (should be `string\')');
- }
- $PHPCAS_CLIENT->setURL($url);
- phpCAS::traceEnd();
- }
-
- /**
- * Get the URL that is set as the CAS service parameter.
- */
- function getServiceURL()
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- return($PHPCAS_CLIENT->getURL());
- }
-
- /**
- * Retrieve a Proxy Ticket from the CAS server.
- */
- function retrievePT($target_service,&$err_code,&$err_msg)
- {
- global $PHPCAS_CLIENT;
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
- }
- if ( gettype($target_service) != 'string' ) {
- phpCAS::error('type mismatched for parameter $target_service(should be `string\')');
- }
- return($PHPCAS_CLIENT->retrievePT($target_service,$err_code,$err_msg));
- }
-
- /**
- * Set the certificate of the CAS server.
- *
- * @param $cert the PEM certificate
- */
- function setCasServerCert($cert)
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- if ( gettype($cert) != 'string' ) {
- phpCAS::error('type mismatched for parameter $cert (should be `string\')');
- }
- $PHPCAS_CLIENT->setCasServerCert($cert);
- phpCAS::traceEnd();
- }
-
- /**
- * Set the certificate of the CAS server CA.
- *
- * @param $cert the CA certificate
- */
- function setCasServerCACert($cert)
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- if ( gettype($cert) != 'string' ) {
- phpCAS::error('type mismatched for parameter $cert (should be `string\')');
- }
- $PHPCAS_CLIENT->setCasServerCACert($cert);
- phpCAS::traceEnd();
- }
-
- /**
- * Set no SSL validation for the CAS server.
- */
- function setNoCasServerValidation()
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- $PHPCAS_CLIENT->setNoCasServerValidation();
- phpCAS::traceEnd();
- }
-
- /** @} */
-
- /**
- * Change CURL options.
- * CURL is used to connect through HTTPS to CAS server
- * @param $key the option key
- * @param $value the value to set
- */
- function setExtraCurlOption($key, $value)
- {
- global $PHPCAS_CLIENT;
- phpCAS::traceBegin();
- if ( !is_object($PHPCAS_CLIENT) ) {
- phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
- }
- $PHPCAS_CLIENT->setExtraCurlOption($key, $value);
- phpCAS::traceEnd();
- }
-
-}
-
-// ########################################################################
-// 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 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 internalProxied CAS proxied client features (CAS 2.0, Proxy Tickets)
- * @ingroup internal */
-
-/** @defgroup internalConfig Configuration
- * @ingroup internal */
-
-/** @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_proxy.php
- */
- /**
- * @example example_proxy2.php
- */
- /**
- * @example example_lang.php
- */
- /**
- * @example example_html.php
- */
- /**
- * @example example_file.php
- */
- /**
- * @example example_db.php
- */
- /**
- * @example example_service.php
- */
- /**
- * @example example_session_proxy.php
- */
- /**
- * @example example_session_service.php
- */
- /**
- * @example example_gateway.php
- */
-
-
-
-?>
+<?php + +// commented in 0.4.22-RC2 for Sylvain Derosiaux +// error_reporting(E_ALL ^ E_NOTICE); + +// +// hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI'] in IIS +// +if (!$_SERVER['REQUEST_URI']) { + $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'].'?'.$_SERVER['QUERY_STRING']; +} + +// +// another one by Vangelis Haniotakis also to make phpCAS work with PHP5 +// +if (version_compare(PHP_VERSION,'5','>=')) { + require_once(dirname(__FILE__).'/CAS/domxml-php4-php5.php'); +} + +/** + * @file CAS/CAS.php + * Interface class of the phpCAS library + * + * @ingroup public + */ + +// ######################################################################## +// CONSTANTS +// ######################################################################## + +// ------------------------------------------------------------------------ +// CAS VERSIONS +// ------------------------------------------------------------------------ + +/** + * phpCAS version. accessible for the user by phpCAS::getVersion(). + */ +define('PHPCAS_VERSION','1.0.1'); + +// ------------------------------------------------------------------------ +// CAS VERSIONS +// ------------------------------------------------------------------------ + /** + * @addtogroup public + * @{ + */ + +/** + * CAS version 1.0 + */ +define("CAS_VERSION_1_0",'1.0'); +/*! + * CAS version 2.0 + */ +define("CAS_VERSION_2_0",'2.0'); + +/** @} */ + /** + * @addtogroup publicPGTStorage + * @{ + */ +// ------------------------------------------------------------------------ +// FILE PGT STORAGE +// ------------------------------------------------------------------------ + /** + * Default path used when storing PGT's to file + */ +define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH",'/tmp'); +/** + * phpCAS::setPGTStorageFile()'s 2nd parameter to write plain text files + */ +define("CAS_PGT_STORAGE_FILE_FORMAT_PLAIN",'plain'); +/** + * phpCAS::setPGTStorageFile()'s 2nd parameter to write xml files + */ +define("CAS_PGT_STORAGE_FILE_FORMAT_XML",'xml'); +/** + * Default format used when storing PGT's to file + */ +define("CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT",CAS_PGT_STORAGE_FILE_FORMAT_PLAIN); +// ------------------------------------------------------------------------ +// DATABASE PGT STORAGE +// ------------------------------------------------------------------------ + /** + * default database type when storing PGT's to database + */ +define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE",'mysql'); +/** + * default host when storing PGT's to database + */ +define("CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME",'localhost'); +/** + * default port when storing PGT's to database + */ +define("CAS_PGT_STORAGE_DB_DEFAULT_PORT",''); +/** + * default database when storing PGT's to database + */ +define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE",'phpCAS'); +/** + * default table when storing PGT's to database + */ +define("CAS_PGT_STORAGE_DB_DEFAULT_TABLE",'pgt'); + +/** @} */ +// ------------------------------------------------------------------------ +// 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); + +/** @} */ +// ------------------------------------------------------------------------ +// LANGUAGES +// ------------------------------------------------------------------------ + /** + * @addtogroup publicLang + * @{ + */ + +define("PHPCAS_LANG_ENGLISH", 'english'); +define("PHPCAS_LANG_FRENCH", 'french'); +define("PHPCAS_LANG_GREEK", 'greek'); +define("PHPCAS_LANG_GERMAN", 'german'); +define("PHPCAS_LANG_JAPANESE", 'japanese'); +define("PHPCAS_LANG_SPANISH", 'spanish'); +define("PHPCAS_LANG_CATALAN", 'catalan'); + +/** @} */ + +/** + * @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. + */ +define('DEFAULT_DEBUG_DIR','/tmp/'); + +/** @} */ +// ------------------------------------------------------------------------ +// MISC +// ------------------------------------------------------------------------ + /** + * @addtogroup internalMisc + * @{ + */ + +/** + * This global variable is used by the interface class phpCAS. + * + * @hideinitializer + */ +$GLOBALS['PHPCAS_CLIENT'] = null; + +/** + * This global variable is used to store where the initializer is called from + * (to print a comprehensive error in case of multiple calls). + * + * @hideinitializer + */ +$GLOBALS['PHPCAS_INIT_CALL'] = array('done' => FALSE, + 'file' => '?', + 'line' => -1, + 'method' => '?'); + +/** + * This global variable is used to store where the method checking + * the authentication is called from (to print comprehensive errors) + * + * @hideinitializer + */ +$GLOBALS['PHPCAS_AUTH_CHECK_CALL'] = array('done' => FALSE, + 'file' => '?', + 'line' => -1, + 'method' => '?', + 'result' => FALSE); + +/** + * This global variable is used to store phpCAS debug mode. + * + * @hideinitializer + */ +$GLOBALS['PHPCAS_DEBUG'] = array('filename' => FALSE, + 'indent' => 0, + 'unique_id' => ''); + +/** @} */ + +// ######################################################################## +// CLIENT CLASS +// ######################################################################## + +// include client class +include_once(dirname(__FILE__).'/CAS/client.php'); + +// ######################################################################## +// INTERFACE CLASS +// ######################################################################## + +/** + * @class phpCAS + * The phpCAS class is a simple container for the phpCAS library. It provides CAS + * authentication for web applications written in PHP. + * + * @ingroup public + * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr> + * + * \internal All its methods access the same object ($PHPCAS_CLIENT, declared + * at the end of CAS/client.php). + */ + + + +class phpCAS +{ + + // ######################################################################## + // INITIALIZATION + // ######################################################################## + + /** + * @addtogroup publicInit + * @{ + */ + + /** + * phpCAS client initializer. + * @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()). + * + * @param $server_version the version of the CAS server + * @param $server_hostname the hostname of the CAS server + * @param $server_port the port the CAS server is running on + * @param $server_uri the URI the CAS server is responding on + * @param $start_session Have phpCAS start PHP sessions (default true) + * + * @return a newly created CASClient object + */ + function client($server_version, + $server_hostname, + $server_port, + $server_uri, + $start_session = true) + { + global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL; + + phpCAS::traceBegin(); + if ( is_object($PHPCAS_CLIENT) ) { + phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')'); + } + if ( gettype($server_version) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_version (should be `string\')'); + } + if ( gettype($server_hostname) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')'); + } + if ( gettype($server_port) != 'integer' ) { + phpCAS::error('type mismatched for parameter $server_port (should be `integer\')'); + } + if ( gettype($server_uri) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_uri (should be `string\')'); + } + + // store where the initialzer is called from + $dbg = phpCAS::backtrace(); + $PHPCAS_INIT_CALL = array('done' => TRUE, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__.'::'.__FUNCTION__); + + // initialize the global object $PHPCAS_CLIENT + $PHPCAS_CLIENT = new CASClient($server_version,FALSE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session); + phpCAS::traceEnd(); + } + + /** + * phpCAS proxy initializer. + * @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()). + * + * @param $server_version the version of the CAS server + * @param $server_hostname the hostname of the CAS server + * @param $server_port the port the CAS server is running on + * @param $server_uri the URI the CAS server is responding on + * @param $start_session Have phpCAS start PHP sessions (default true) + * + * @return a newly created CASClient object + */ + function proxy($server_version, + $server_hostname, + $server_port, + $server_uri, + $start_session = true) + { + global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL; + + phpCAS::traceBegin(); + if ( is_object($PHPCAS_CLIENT) ) { + phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')'); + } + if ( gettype($server_version) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_version (should be `string\')'); + } + if ( gettype($server_hostname) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')'); + } + if ( gettype($server_port) != 'integer' ) { + phpCAS::error('type mismatched for parameter $server_port (should be `integer\')'); + } + if ( gettype($server_uri) != 'string' ) { + phpCAS::error('type mismatched for parameter $server_uri (should be `string\')'); + } + + // store where the initialzer is called from + $dbg = phpCAS::backtrace(); + $PHPCAS_INIT_CALL = array('done' => TRUE, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__.'::'.__FUNCTION__); + + // initialize the global object $PHPCAS_CLIENT + $PHPCAS_CLIENT = new CASClient($server_version,TRUE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session); + phpCAS::traceEnd(); + } + + /** @} */ + // ######################################################################## + // DEBUGGING + // ######################################################################## + + /** + * @addtogroup publicDebug + * @{ + */ + + /** + * Set/unset debug mode + * + * @param $filename the name of the file used for logging, or FALSE to stop debugging. + */ + function setDebug($filename='') + { + global $PHPCAS_DEBUG; + + if ( $filename != FALSE && gettype($filename) != 'string' ) { + phpCAS::error('type mismatched for parameter $dbg (should be FALSE or the name of the log file)'); + } + + if ( empty($filename) ) { + if ( preg_match('/^Win.*/',getenv('OS')) ) { + if ( isset($_ENV['TMP']) ) { + $debugDir = $_ENV['TMP'].'/'; + } else if ( isset($_ENV['TEMP']) ) { + $debugDir = $_ENV['TEMP'].'/'; + } else { + $debugDir = ''; + } + } else { + $debugDir = DEFAULT_DEBUG_DIR; + } + $filename = $debugDir . 'phpCAS.log'; + } + + if ( empty($PHPCAS_DEBUG['unique_id']) ) { + $PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))),0,4); + } + + $PHPCAS_DEBUG['filename'] = $filename; + + phpCAS::trace('START ******************'); + } + + /** @} */ + /** + * @addtogroup internalDebug + * @{ + */ + + /** + * This method is a wrapper for debug_backtrace() that is not available + * in all PHP versions (>= 4.3.0 only) + */ + function backtrace() + { + if ( function_exists('debug_backtrace') ) { + return debug_backtrace(); + } else { + // poor man's hack ... but it does work ... + return array(); + } + } + + /** + * Logs a string in debug mode. + * + * @param $str the string to write + * + * @private + */ + function log($str) + { + $indent_str = "."; + global $PHPCAS_DEBUG; + + if ( $PHPCAS_DEBUG['filename'] ) { + for ($i=0;$i<$PHPCAS_DEBUG['indent'];$i++) { + $indent_str .= '| '; + } + error_log($PHPCAS_DEBUG['unique_id'].' '.$indent_str.$str."\n",3,$PHPCAS_DEBUG['filename']); + } + + } + + /** + * This method is used by interface methods to print an error and where the function + * was originally called from. + * + * @param $msg the message to print + * + * @private + */ + function error($msg) + { + $dbg = phpCAS::backtrace(); + $function = '?'; + $file = '?'; + $line = '?'; + if ( is_array($dbg) ) { + for ( $i=1; $i<sizeof($dbg); $i++) { + if ( is_array($dbg[$i]) ) { + if ( $dbg[$i]['class'] == __CLASS__ ) { + $function = $dbg[$i]['function']; + $file = $dbg[$i]['file']; + $line = $dbg[$i]['line']; + } + } + } + } + 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($msg); + phpCAS::traceExit(); + exit(); + } + + /** + * This method is used to log something in debug mode. + */ + function trace($str) + { + $dbg = phpCAS::backtrace(); + phpCAS::log($str.' ['.basename($dbg[1]['file']).':'.$dbg[1]['line'].']'); + } + + /** + * This method is used to indicate the start of the execution of a function in debug mode. + */ + function traceBegin() + { + global $PHPCAS_DEBUG; + + $dbg = phpCAS::backtrace(); + $str = '=> '; + if ( !empty($dbg[2]['class']) ) { + $str .= $dbg[2]['class'].'::'; + } + $str .= $dbg[2]['function'].'('; + if ( is_array($dbg[2]['args']) ) { + foreach ($dbg[2]['args'] as $index => $arg) { + if ( $index != 0 ) { + $str .= ', '; + } + $str .= str_replace("\n","",var_export($arg,TRUE)); + } + } + $str .= ') ['.basename($dbg[2]['file']).':'.$dbg[2]['line'].']'; + phpCAS::log($str); + $PHPCAS_DEBUG['indent'] ++; + } + + /** + * This method is used to indicate the end of the execution of a function in debug mode. + * + * @param $res the result of the function + */ + function traceEnd($res='') + { + global $PHPCAS_DEBUG; + + $PHPCAS_DEBUG['indent'] --; + $dbg = phpCAS::backtrace(); + $str = ''; + $str .= '<= '.str_replace("\n","",var_export($res,TRUE)); + phpCAS::log($str); + } + + /** + * This method is used to indicate the end of the execution of the program + */ + function traceExit() + { + global $PHPCAS_DEBUG; + + phpCAS::log('exit()'); + while ( $PHPCAS_DEBUG['indent'] > 0 ) { + phpCAS::log('-'); + $PHPCAS_DEBUG['indent'] --; + } + } + + /** @} */ + // ######################################################################## + // INTERNATIONALIZATION + // ######################################################################## + /** + * @addtogroup publicLang + * @{ + */ + + /** + * This method is used to set the language used by phpCAS. + * @note Can be called only once. + * + * @param $lang a string representing the language. + * + * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH + */ + function setLang($lang) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + if ( gettype($lang) != 'string' ) { + phpCAS::error('type mismatched for parameter $lang (should be `string\')'); + } + $PHPCAS_CLIENT->setLang($lang); + } + + /** @} */ + // ######################################################################## + // VERSION + // ######################################################################## + /** + * @addtogroup public + * @{ + */ + + /** + * This method returns the phpCAS version. + * + * @return the phpCAS version. + */ + function getVersion() + { + return PHPCAS_VERSION; + } + + /** @} */ + // ######################################################################## + // HTML OUTPUT + // ######################################################################## + /** + * @addtogroup publicOutput + * @{ + */ + + /** + * This method sets the HTML header used for all outputs. + * + * @param $header the HTML header. + */ + function setHTMLHeader($header) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + if ( gettype($header) != 'string' ) { + phpCAS::error('type mismatched for parameter $header (should be `string\')'); + } + $PHPCAS_CLIENT->setHTMLHeader($header); + } + + /** + * This method sets the HTML footer used for all outputs. + * + * @param $footer the HTML footer. + */ + function setHTMLFooter($footer) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + if ( gettype($footer) != 'string' ) { + phpCAS::error('type mismatched for parameter $footer (should be `string\')'); + } + $PHPCAS_CLIENT->setHTMLFooter($footer); + } + + /** @} */ + // ######################################################################## + // PGT STORAGE + // ######################################################################## + /** + * @addtogroup publicPGTStorage + * @{ + */ + + /** + * This method is used to tell phpCAS to store the response of the + * CAS server to PGT requests onto the filesystem. + * + * @param $format the format used to store the PGT's (`plain' and `xml' allowed) + * @param $path the path where the PGT's should be stored + */ + function setPGTStorageFile($format='', + $path='') + { + global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_CLIENT->isProxy() ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) { + phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')'); + } + if ( gettype($format) != 'string' ) { + phpCAS::error('type mismatched for parameter $format (should be `string\')'); + } + if ( gettype($path) != 'string' ) { + phpCAS::error('type mismatched for parameter $format (should be `string\')'); + } + $PHPCAS_CLIENT->setPGTStorageFile($format,$path); + phpCAS::traceEnd(); + } + + /** + * This method is used to tell phpCAS to store the response of the + * CAS server to PGT requests into a database. + * @note The connection to the database is done only when needed. + * As a consequence, bad parameters are detected only when + * initializing PGT storage, except in debug mode. + * + * @param $user the user to access the data with + * @param $password the user's password + * @param $database_type the type of the database hosting the data + * @param $hostname the server hosting the database + * @param $port the port the server is listening on + * @param $database the name of the database + * @param $table the name of the table storing the data + */ + function setPGTStorageDB($user, + $password, + $database_type='', + $hostname='', + $port=0, + $database='', + $table='') + { + global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_CLIENT->isProxy() ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) { + phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')'); + } + if ( gettype($user) != 'string' ) { + phpCAS::error('type mismatched for parameter $user (should be `string\')'); + } + if ( gettype($password) != 'string' ) { + phpCAS::error('type mismatched for parameter $password (should be `string\')'); + } + if ( gettype($database_type) != 'string' ) { + phpCAS::error('type mismatched for parameter $database_type (should be `string\')'); + } + if ( gettype($hostname) != 'string' ) { + phpCAS::error('type mismatched for parameter $hostname (should be `string\')'); + } + if ( gettype($port) != 'integer' ) { + phpCAS::error('type mismatched for parameter $port (should be `integer\')'); + } + if ( gettype($database) != 'string' ) { + phpCAS::error('type mismatched for parameter $database (should be `string\')'); + } + if ( gettype($table) != 'string' ) { + phpCAS::error('type mismatched for parameter $table (should be `string\')'); + } + $PHPCAS_CLIENT->setPGTStorageDB($this,$user,$password,$hostname,$port,$database,$table); + phpCAS::traceEnd(); + } + + /** @} */ + // ######################################################################## + // ACCESS TO EXTERNAL SERVICES + // ######################################################################## + /** + * @addtogroup publicServices + * @{ + */ + + /** + * This method is used to access an HTTP[S] service. + * + * @param $url the service to access. + * @param $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 $output the output of the service (also used to give an error + * message on failure). + * + * @return TRUE on success, FALSE otherwise (in this later case, $err_code + * gives the reason why it failed and $output contains an error message). + */ + function serviceWeb($url,&$err_code,&$output) + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_CLIENT->isProxy() ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) { + phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) { + phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be `string\')'); + } + + $res = $PHPCAS_CLIENT->serviceWeb($url,$err_code,$output); + + phpCAS::traceEnd($res); + return $res; + } + + /** + * This method is used to access an IMAP/POP3/NNTP service. + * + * @param $url a string giving the URL of the service, including the mailing box + * for IMAP URLs, as accepted by imap_open(). + * @param $flags options given to imap_open(). + * @param $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 $err_msg an error message on failure + * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL + * on success, FALSE on error). + * + * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code + * gives the reason why it failed and $err_msg contains an error message). + */ + function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt) + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_CLIENT->isProxy() ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) { + phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) { + phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be `string\')'); + } + + if ( gettype($flags) != 'integer' ) { + phpCAS::error('type mismatched for parameter $flags (should be `integer\')'); + } + + $res = $PHPCAS_CLIENT->serviceMail($url,$flags,$err_code,$err_msg,$pt); + + 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 $n an integer. + */ + function setCacheTimesForAuthRecheck($n) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + if ( gettype($n) != 'integer' ) { + phpCAS::error('type mismatched for parameter $header (should be `string\')'); + } + $PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n); + } + + /** + * This method is called to check if the user is authenticated (use the gateway feature). + * @return TRUE when the user is authenticated; otherwise FALSE. + */ + function checkAuthentication() + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + + $auth = $PHPCAS_CLIENT->checkAuthentication(); + + // store where the authentication has been checked and the result + $dbg = phpCAS::backtrace(); + $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__.'::'.__FUNCTION__, + 'result' => $auth ); + phpCAS::traceEnd($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. + */ + function forceAuthentication() + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + + $auth = $PHPCAS_CLIENT->forceAuthentication(); + + // store where the authentication has been checked and the result + $dbg = phpCAS::backtrace(); + $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__.'::'.__FUNCTION__, + 'result' => $auth ); + + if ( !$auth ) { + phpCAS::trace('user is not authenticated, redirecting to the CAS server'); + $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. + **/ + function renewAuthentication() { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before'.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + + // store where the authentication has been checked and the result + $dbg = phpCAS::backtrace(); + $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, 'file' => $dbg[0]['file'], 'line' => $dbg[0]['line'], 'method' => __CLASS__.'::'.__FUNCTION__, 'result' => $auth ); + + $PHPCAS_CLIENT->renewAuthentication(); + phpCAS::traceEnd(); + } + + /** + * This method has been left from version 0.4.1 for compatibility reasons. + */ + function authenticate() + { + phpCAS::error('this method is deprecated. You should use '.__CLASS__.'::forceAuthentication() instead'); + } + + /** + * This method is called to check if the user is authenticated (previously or by + * tickets given in the URL). + * + * @return TRUE when the user is authenticated. + */ + function isAuthenticated() + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + + // call the isAuthenticated method of the global $PHPCAS_CLIENT object + $auth = $PHPCAS_CLIENT->isAuthenticated(); + + // store where the authentication has been checked and the result + $dbg = phpCAS::backtrace(); + $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__.'::'.__FUNCTION__, + 'result' => $auth ); + phpCAS::traceEnd($auth); + return $auth; + } + + /** + * Checks whether authenticated based on $_SESSION. Useful to avoid + * server calls. + * @return true if authenticated, false otherwise. + * @since 0.4.22 by Brendan Arnold + */ + function isSessionAuthenticated () + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + return($PHPCAS_CLIENT->isSessionAuthenticated()); + } + + /** + * This method returns the CAS user's login name. + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + * + * @return the login name of the authenticated user + */ + function getUser() + { + global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()'); + } + if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) { + phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE'); + } + return $PHPCAS_CLIENT->getUser(); + } + + /** + * Handle logout requests. + */ + function handleLogoutRequests($check_client=true, $allowed_clients=false) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + return($PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients)); + } + + /** + * This method returns the URL to be used to login. + * or phpCAS::isAuthenticated(). + * + * @return the login name of the authenticated user + */ + function getServerLoginURL() + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + return $PHPCAS_CLIENT->getServerLoginURL(); + } + + /** + * Set the login URL of the CAS server. + * @param $url the login URL + * @since 0.4.21 by Wyman Chan + */ + function setServerLoginURL($url='') + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after + '.__CLASS__.'::client()'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be + `string\')'); + } + $PHPCAS_CLIENT->setServerLoginURL($url); + phpCAS::traceEnd(); + } + + /** + * This method returns the URL to be used to login. + * or phpCAS::isAuthenticated(). + * + * @return the login name of the authenticated user + */ + function getServerLogoutURL() + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()'); + } + return $PHPCAS_CLIENT->getServerLogoutURL(); + } + + /** + * Set the logout URL of the CAS server. + * @param $url the logout URL + * @since 0.4.21 by Wyman Chan + */ + function setServerLogoutURL($url='') + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after + '.__CLASS__.'::client()'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be + `string\')'); + } + $PHPCAS_CLIENT->setServerLogoutURL($url); + phpCAS::traceEnd(); + } + + /** + * This method is used to logout from CAS. + * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server + * @public + */ + function logout($params = "") { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if (!is_object($PHPCAS_CLIENT)) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + $parsedParams = array(); + if ($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; + } + } + $PHPCAS_CLIENT->logout($parsedParams); + // never reached + phpCAS::traceEnd(); + } + + /** + * This method is used to logout from CAS. Halts by redirecting to the CAS server. + * @param $service a URL that will be transmitted to the CAS server + */ + function logoutWithRedirectService($service) { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + if (!is_string($service)) { + phpCAS::error('type mismatched for parameter $service (should be `string\')'); + } + $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 $url a URL that will be transmitted to the CAS server + */ + function logoutWithUrl($url) { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($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\')'); + } + $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 $service a URL that will be transmitted to the CAS server + * @param $url a URL that will be transmitted to the CAS server + */ + function logoutWithRedirectServiceAndUrl($service, $url) { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + 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\')'); + } + $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 $url the URL + */ + function setFixedCallbackURL($url='') + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( !$PHPCAS_CLIENT->isProxy() ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be `string\')'); + } + $PHPCAS_CLIENT->setCallbackURL($url); + 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 $url the URL + */ + function setFixedServiceURL($url) + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( gettype($url) != 'string' ) { + phpCAS::error('type mismatched for parameter $url (should be `string\')'); + } + $PHPCAS_CLIENT->setURL($url); + phpCAS::traceEnd(); + } + + /** + * Get the URL that is set as the CAS service parameter. + */ + function getServiceURL() + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + return($PHPCAS_CLIENT->getURL()); + } + + /** + * Retrieve a Proxy Ticket from the CAS server. + */ + function retrievePT($target_service,&$err_code,&$err_msg) + { + global $PHPCAS_CLIENT; + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()'); + } + if ( gettype($target_service) != 'string' ) { + phpCAS::error('type mismatched for parameter $target_service(should be `string\')'); + } + return($PHPCAS_CLIENT->retrievePT($target_service,$err_code,$err_msg)); + } + + /** + * Set the certificate of the CAS server. + * + * @param $cert the PEM certificate + */ + function setCasServerCert($cert) + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + if ( gettype($cert) != 'string' ) { + phpCAS::error('type mismatched for parameter $cert (should be `string\')'); + } + $PHPCAS_CLIENT->setCasServerCert($cert); + phpCAS::traceEnd(); + } + + /** + * Set the certificate of the CAS server CA. + * + * @param $cert the CA certificate + */ + function setCasServerCACert($cert) + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + if ( gettype($cert) != 'string' ) { + phpCAS::error('type mismatched for parameter $cert (should be `string\')'); + } + $PHPCAS_CLIENT->setCasServerCACert($cert); + phpCAS::traceEnd(); + } + + /** + * Set no SSL validation for the CAS server. + */ + function setNoCasServerValidation() + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + $PHPCAS_CLIENT->setNoCasServerValidation(); + phpCAS::traceEnd(); + } + + /** @} */ + + /** + * Change CURL options. + * CURL is used to connect through HTTPS to CAS server + * @param $key the option key + * @param $value the value to set + */ + function setExtraCurlOption($key, $value) + { + global $PHPCAS_CLIENT; + phpCAS::traceBegin(); + if ( !is_object($PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()'); + } + $PHPCAS_CLIENT->setExtraCurlOption($key, $value); + phpCAS::traceEnd(); + } + +} + +// ######################################################################## +// 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 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 internalProxied CAS proxied client features (CAS 2.0, Proxy Tickets) + * @ingroup internal */ + +/** @defgroup internalConfig Configuration + * @ingroup internal */ + +/** @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_proxy.php + */ + /** + * @example example_proxy2.php + */ + /** + * @example example_lang.php + */ + /** + * @example example_html.php + */ + /** + * @example example_file.php + */ + /** + * @example example_db.php + */ + /** + * @example example_service.php + */ + /** + * @example example_session_proxy.php + */ + /** + * @example example_session_service.php + */ + /** + * @example example_gateway.php + */ + + + +?> |