diff options
Diffstat (limited to 'plugins/CasAuthentication/extlib/CAS.php')
| -rw-r--r-- | plugins/CasAuthentication/extlib/CAS.php | 1471 |
1 files changed, 1471 insertions, 0 deletions
diff --git a/plugins/CasAuthentication/extlib/CAS.php b/plugins/CasAuthentication/extlib/CAS.php new file mode 100644 index 000000000..59238eb81 --- /dev/null +++ b/plugins/CasAuthentication/extlib/CAS.php @@ -0,0 +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
+ */
+
+
+
+?>
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