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gnu-social/plugins/CasAuthentication/extlib/CAS.php

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Bump to phpCAS 1.1.0RC6
2010-03-02 23:24:50 -05:00
<?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-to-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','1.1.0RC6');
// ------------------------------------------------------------------------
// 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');
// ------------------------------------------------------------------------
// SAML defines
// ------------------------------------------------------------------------
/**
* SAML protocol
*/
define("SAML_VERSION_1_1", 'S1');
/**
* XML header for SAML POST
*/
define("SAML_XML_HEADER", '<?xml version="1.0" encoding="UTF-8"?>');
/**
* SOAP envelope for SAML POST
*/
define ("SAML_SOAP_ENV", '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Header/>');
/**
* SOAP body for SAML POST
*/
define ("SAML_SOAP_BODY", '<SOAP-ENV:Body>');
/**
* SAMLP request
*/
define ("SAMLP_REQUEST", '<samlp:Request xmlns:samlp="urn:oasis:names:tc:SAML:1.0:protocol" MajorVersion="1" MinorVersion="1" RequestID="_192.168.16.51.1024506224022" IssueInstant="2002-06-19T17:03:44.022Z">');
define ("SAMLP_REQUEST_CLOSE", '</samlp:Request>');
/**
* SAMLP artifact tag (for the ticket)
*/
define ("SAML_ASSERTION_ARTIFACT", '<samlp:AssertionArtifact>');
/**
* SAMLP close
*/
define ("SAML_ASSERTION_ARTIFACT_CLOSE", '</samlp:AssertionArtifact>');
/**
* SOAP body close
*/
define ("SAML_SOAP_BODY_CLOSE", '</SOAP-ENV:Body>');
/**
* SOAP envelope close
*/
define ("SAML_SOAP_ENV_CLOSE", '</SOAP-ENV:Envelope>');
/**
* SAML Attributes
*/
define("SAML_ATTRIBUTES", 'SAMLATTRIBS');
/** @} */
/**
* @addtogroup publicPGTStorage
* @{
*/
// ------------------------------------------------------------------------
// FILE PGT STORAGE
// ------------------------------------------------------------------------
/**
* Default path used when storing PGT's to file
*/
define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH",'/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 initializer 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\')');
}
$PHPCAS_CLIENT->setPGTStorageDB($user,$password,$database_type,$hostname,$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 $service a string giving for CAS retrieve Proxy ticket
* @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,$service,$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,$service,$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();
}
/**
* 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 getAttributes()
{
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 $PHPCAS_CLIENT->getAttributes();
}
/**
* Handle logout requests.
*/
function handleLogoutRequests($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();
}
/**
* Set the serviceValidate URL of the CAS server.
* @param $url the serviceValidate URL
* @since 1.1.0 by Joachim Fritschi
*/
function setServerServiceValidateURL($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\')');
}
$PHPCAS_CLIENT->setServerServiceValidateURL($url);
phpCAS::traceEnd();
}
/**
* Set the proxyValidate URL of the CAS server.
* @param $url the proxyValidate URL
* @since 1.1.0 by Joachim Fritschi
*/
function setServerProxyValidateURL($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\')');
}
$PHPCAS_CLIENT->setServerProxyValidateURL($url);
phpCAS::traceEnd();
}
/**
* Set the samlValidate URL of the CAS server.
* @param $url the samlValidate URL
* @since 1.1.0 by Joachim Fritschi
*/
function setServerSamlValidateURL($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\')');
}
$PHPCAS_CLIENT->setServerSamlValidateURL($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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