X-Git-Url: https://git.mdrn.pl/piwik-CASLogin.git/blobdiff_plain/d455248b80562ac98c4c645750c1e694f7f8b411..9c96c21771c9f389d6e727242faeb0e9e74ae2a4:/CAS/CAS.php?ds=inline diff --git a/CAS/CAS.php b/CAS/CAS.php index e6bae3f..6efafce 100644 --- a/CAS/CAS.php +++ b/CAS/CAS.php @@ -1,1531 +1,1980 @@ -=') && !(function_exists('domxml_new_doc'))) { - 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', '1.1.3'); - -// ------------------------------------------------------------------------ -// 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", ''); - -/** - * SOAP envelope for SAML POST - */ -define("SAML_SOAP_ENV", ''); - -/** - * SOAP body for SAML POST - */ -define("SAML_SOAP_BODY", ''); - -/** - * SAMLP request - */ -define("SAMLP_REQUEST", ''); -define("SAMLP_REQUEST_CLOSE", ''); - -/** - * SAMLP artifact tag (for the ticket) - */ -define("SAML_ASSERTION_ARTIFACT", ''); - -/** - * SAMLP close - */ -define("SAML_ASSERTION_ARTIFACT_CLOSE", ''); - -/** - * SOAP body close - */ -define("SAML_SOAP_BODY_CLOSE", ''); - -/** - * SOAP envelope close - */ -define("SAML_SOAP_ENV_CLOSE", ''); - -/** - * 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); -/** @} */ -// ------------------------------------------------------------------------ -// 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 - * - * \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 phpCAS-' . PHPCAS_VERSION . ' ******************'); - } - - /** @} */ - /** - * @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 "
\nphpCAS error: " . __CLASS__ . "::" . $function . '(): ' . htmlentities($msg) . " in " . $file . " on line " . $line . "
\n"; - phpCAS :: trace($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(); - } - - - /** @} */ - // ######################################################################## - // 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. - * Used only in CAS 1.0 validations - * @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. - * Used for all CAS 2.0 validations - * @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 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 - */ -/** - * @example example_custom_urls.php - */ -?> + + * @author Olivier Berger + * @author Brett Bieber + * @author Joachim Fritschi + * @author Adam Franco + * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0 + * @link https://wiki.jasig.org/display/CASC/phpCAS + * @ingroup public + */ + + +// +// hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI'] +// in IIS +// +if (php_sapi_name() != 'cli') { + if (!isset($_SERVER['REQUEST_URI'])) { + $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . '?' . $_SERVER['QUERY_STRING']; + } +} + +// Add a E_USER_DEPRECATED for php versions <= 5.2 +if (!defined('E_USER_DEPRECATED')) { + define('E_USER_DEPRECATED', E_USER_NOTICE); +} + + +// ######################################################################## +// CONSTANTS +// ######################################################################## + +// ------------------------------------------------------------------------ +// CAS VERSIONS +// ------------------------------------------------------------------------ + +/** + * phpCAS version. accessible for the user by phpCAS::getVersion(). + */ +define('PHPCAS_VERSION', '1.3.2'); + +/** + * @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", ''); + +/** + * SOAP envelope for SAML POST + */ +define("SAML_SOAP_ENV", ''); + +/** + * SOAP body for SAML POST + */ +define("SAML_SOAP_BODY", ''); + +/** + * SAMLP request + */ +define("SAMLP_REQUEST", ''); +define("SAMLP_REQUEST_CLOSE", ''); + +/** + * SAMLP artifact tag (for the ticket) + */ +define("SAML_ASSERTION_ARTIFACT", ''); + +/** + * SAMLP close + */ +define("SAML_ASSERTION_ARTIFACT_CLOSE", ''); + +/** + * SOAP body close + */ +define("SAML_SOAP_BODY_CLOSE", ''); + +/** + * SOAP envelope close + */ +define("SAML_SOAP_ENV_CLOSE", ''); + +/** + * SAML Attributes + */ +define("SAML_ATTRIBUTES", 'SAMLATTRIBS'); + +/** @} */ +/** + * @addtogroup publicPGTStorage + * @{ + */ +// ------------------------------------------------------------------------ +// FILE PGT STORAGE +// ------------------------------------------------------------------------ +/** + * Default path used when storing PGT's to file + */ +define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH", session_save_path()); +/** @} */ +// ------------------------------------------------------------------------ +// SERVICE ACCESS ERRORS +// ------------------------------------------------------------------------ +/** + * @addtogroup publicServices + * @{ + */ + +/** + * phpCAS::service() error code on success + */ +define("PHPCAS_SERVICE_OK", 0); +/** + * phpCAS::service() error code when the PT could not retrieve because + * the CAS server did not respond. + */ +define("PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE", 1); +/** + * phpCAS::service() error code when the PT could not retrieve because + * the response of the CAS server was ill-formed. + */ +define("PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE", 2); +/** + * phpCAS::service() error code when the PT could not retrieve because + * the CAS server did not want to. + */ +define("PHPCAS_SERVICE_PT_FAILURE", 3); +/** + * phpCAS::service() error code when the service was not available. + */ +define("PHPCAS_SERVICE_NOT_AVAILABLE", 4); + +// ------------------------------------------------------------------------ +// SERVICE TYPES +// ------------------------------------------------------------------------ +/** + * phpCAS::getProxiedService() type for HTTP GET + */ +define("PHPCAS_PROXIED_SERVICE_HTTP_GET", 'CAS_ProxiedService_Http_Get'); +/** + * phpCAS::getProxiedService() type for HTTP POST + */ +define("PHPCAS_PROXIED_SERVICE_HTTP_POST", 'CAS_ProxiedService_Http_Post'); +/** + * phpCAS::getProxiedService() type for IMAP + */ +define("PHPCAS_PROXIED_SERVICE_IMAP", 'CAS_ProxiedService_Imap'); + + +/** @} */ +// ------------------------------------------------------------------------ +// LANGUAGES +// ------------------------------------------------------------------------ +/** + * @addtogroup publicLang + * @{ + */ + +define("PHPCAS_LANG_ENGLISH", 'CAS_Languages_English'); +define("PHPCAS_LANG_FRENCH", 'CAS_Languages_French'); +define("PHPCAS_LANG_GREEK", 'CAS_Languages_Greek'); +define("PHPCAS_LANG_GERMAN", 'CAS_Languages_German'); +define("PHPCAS_LANG_JAPANESE", 'CAS_Languages_Japanese'); +define("PHPCAS_LANG_SPANISH", 'CAS_Languages_Spanish'); +define("PHPCAS_LANG_CATALAN", 'CAS_Languages_Catalan'); + +/** @} */ + +/** + * @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/'); + +/** @} */ + +// include the class autoloader +require_once dirname(__FILE__) . '/CAS/Autoload.php'; + +/** + * The phpCAS class is a simple container for the phpCAS library. It provides CAS + * authentication for web applications written in PHP. + * + * @ingroup public + * @class phpCAS + * @category Authentication + * @package PhpCAS + * @author Pascal Aubry + * @author Olivier Berger + * @author Brett Bieber + * @author Joachim Fritschi + * @author Adam Franco + * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0 + * @link https://wiki.jasig.org/display/CASC/phpCAS + */ + +class phpCAS +{ + + /** + * This variable is used by the interface class phpCAS. + * + * @hideinitializer + */ + private static $_PHPCAS_CLIENT; + + /** + * This variable is used to store where the initializer is called from + * (to print a comprehensive error in case of multiple calls). + * + * @hideinitializer + */ + private static $_PHPCAS_INIT_CALL; + + /** + * This variable is used to store phpCAS debug mode. + * + * @hideinitializer + */ + private static $_PHPCAS_DEBUG; + + + // ######################################################################## + // INITIALIZATION + // ######################################################################## + + /** + * @addtogroup publicInit + * @{ + */ + + /** + * phpCAS client initializer. + * + * @param string $server_version the version of the CAS server + * @param string $server_hostname the hostname of the CAS server + * @param string $server_port the port the CAS server is running on + * @param string $server_uri the URI the CAS server is responding on + * @param bool $changeSessionID Allow phpCAS to change the session_id (Single + * Sign Out/handleLogoutRequests is based on that change) + * + * @return a newly created CAS_Client object + * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be + * called, only once, and before all other methods (except phpCAS::getVersion() + * and phpCAS::setDebug()). + */ + public static function client($server_version, $server_hostname, + $server_port, $server_uri, $changeSessionID = true + ) { + phpCAS :: traceBegin(); + if (is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error(self::$_PHPCAS_INIT_CALL['method'] . '() has already been called (at ' . self::$_PHPCAS_INIT_CALL['file'] . ':' . self::$_PHPCAS_INIT_CALL['line'] . ')'); + } + if (gettype($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 + $dbg = debug_backtrace(); + self::$_PHPCAS_INIT_CALL = array ( + 'done' => true, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__ . '::' . __FUNCTION__ + ); + + // initialize the object $_PHPCAS_CLIENT + self::$_PHPCAS_CLIENT = new CAS_Client( + $server_version, false, $server_hostname, $server_port, $server_uri, + $changeSessionID + ); + phpCAS :: traceEnd(); + } + + /** + * phpCAS proxy initializer. + * + * @param string $server_version the version of the CAS server + * @param string $server_hostname the hostname of the CAS server + * @param string $server_port the port the CAS server is running on + * @param string $server_uri the URI the CAS server is responding on + * @param bool $changeSessionID Allow phpCAS to change the session_id (Single + * Sign Out/handleLogoutRequests is based on that change) + * + * @return a newly created CAS_Client object + * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be + * called, only once, and before all other methods (except phpCAS::getVersion() + * and phpCAS::setDebug()). + */ + public static function proxy($server_version, $server_hostname, + $server_port, $server_uri, $changeSessionID = true + ) { + phpCAS :: traceBegin(); + if (is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error(self::$_PHPCAS_INIT_CALL['method'] . '() has already been called (at ' . self::$_PHPCAS_INIT_CALL['file'] . ':' . self::$_PHPCAS_INIT_CALL['line'] . ')'); + } + if (gettype($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 + $dbg = debug_backtrace(); + self::$_PHPCAS_INIT_CALL = array ( + 'done' => true, + 'file' => $dbg[0]['file'], + 'line' => $dbg[0]['line'], + 'method' => __CLASS__ . '::' . __FUNCTION__ + ); + + // initialize the object $_PHPCAS_CLIENT + self::$_PHPCAS_CLIENT = new CAS_Client( + $server_version, true, $server_hostname, $server_port, $server_uri, + $changeSessionID + ); + phpCAS :: traceEnd(); + } + + /** @} */ + // ######################################################################## + // DEBUGGING + // ######################################################################## + + /** + * @addtogroup publicDebug + * @{ + */ + + /** + * Set/unset debug mode + * + * @param string $filename the name of the file used for logging, or false + * to stop debugging. + * + * @return void + */ + public static function setDebug($filename = '') + { + if ($filename != false && gettype($filename) != 'string') { + phpCAS :: error('type mismatched for parameter $dbg (should be false or the name of the log file)'); + } + if ($filename === false) { + self::$_PHPCAS_DEBUG['filename'] = false; + + } else { + if (empty ($filename)) { + if (preg_match('/^Win.*/', getenv('OS'))) { + if (isset ($_ENV['TMP'])) { + $debugDir = $_ENV['TMP'] . '/'; + } else { + $debugDir = ''; + } + } else { + $debugDir = DEFAULT_DEBUG_DIR; + } + $filename = $debugDir . 'phpCAS.log'; + } + + if (empty (self::$_PHPCAS_DEBUG['unique_id'])) { + self::$_PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))), 0, 4); + } + + self::$_PHPCAS_DEBUG['filename'] = $filename; + self::$_PHPCAS_DEBUG['indent'] = 0; + + phpCAS :: trace('START phpCAS-' . PHPCAS_VERSION . ' ******************'); + } + } + + + /** + * Logs a string in debug mode. + * + * @param string $str the string to write + * + * @return void + * @private + */ + public static function log($str) + { + $indent_str = "."; + + + if (!empty(self::$_PHPCAS_DEBUG['filename'])) { + // Check if file exists and modifiy file permissions to be only + // readable by the webserver + if (!file_exists(self::$_PHPCAS_DEBUG['filename'])) { + touch(self::$_PHPCAS_DEBUG['filename']); + // Chmod will fail on windows + @chmod(self::$_PHPCAS_DEBUG['filename'], 0600); + } + for ($i = 0; $i < self::$_PHPCAS_DEBUG['indent']; $i++) { + + $indent_str .= '| '; + } + // allow for multiline output with proper identing. Usefull for + // dumping cas answers etc. + $str2 = str_replace("\n", "\n" . self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str, $str); + error_log(self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str . $str2 . "\n", 3, self::$_PHPCAS_DEBUG['filename']); + } + + } + + /** + * This method is used by interface methods to print an error and where the + * function was originally called from. + * + * @param string $msg the message to print + * + * @return void + * @private + */ + public static function error($msg) + { + $dbg = debug_backtrace(); + $function = '?'; + $file = '?'; + $line = '?'; + if (is_array($dbg)) { + for ($i = 1; $i < sizeof($dbg); $i++) { + if (is_array($dbg[$i]) && isset($dbg[$i]['class']) ) { + if ($dbg[$i]['class'] == __CLASS__) { + $function = $dbg[$i]['function']; + $file = $dbg[$i]['file']; + $line = $dbg[$i]['line']; + } + } + } + } + echo "
\nphpCAS error: " . __CLASS__ . "::" . $function . '(): ' . htmlentities($msg) . " in " . $file . " on line " . $line . "
\n"; + phpCAS :: trace($msg); + phpCAS :: traceEnd(); + + throw new CAS_GracefullTerminationException(__CLASS__ . "::" . $function . '(): ' . $msg); + } + + /** + * This method is used to log something in debug mode. + * + * @param string $str string to log + * + * @return void + */ + public static function trace($str) + { + $dbg = debug_backtrace(); + phpCAS :: log($str . ' [' . basename($dbg[0]['file']) . ':' . $dbg[0]['line'] . ']'); + } + + /** + * This method is used to indicate the start of the execution of a function in debug mode. + * + * @return void + */ + public static function traceBegin() + { + $dbg = debug_backtrace(); + $str = '=> '; + if (!empty ($dbg[1]['class'])) { + $str .= $dbg[1]['class'] . '::'; + } + $str .= $dbg[1]['function'] . '('; + if (is_array($dbg[1]['args'])) { + foreach ($dbg[1]['args'] as $index => $arg) { + if ($index != 0) { + $str .= ', '; + } + if (is_object($arg)) { + $str .= get_class($arg); + } else { + $str .= str_replace(array("\r\n", "\n", "\r"), "", var_export($arg, true)); + } + } + } + if (isset($dbg[1]['file'])) { + $file = basename($dbg[1]['file']); + } else { + $file = 'unknown_file'; + } + if (isset($dbg[1]['line'])) { + $line = $dbg[1]['line']; + } else { + $line = 'unknown_line'; + } + $str .= ') [' . $file . ':' . $line . ']'; + phpCAS :: log($str); + if (!isset(self::$_PHPCAS_DEBUG['indent'])) { + self::$_PHPCAS_DEBUG['indent'] = 0; + } else { + self::$_PHPCAS_DEBUG['indent']++; + } + } + + /** + * This method is used to indicate the end of the execution of a function in + * debug mode. + * + * @param string $res the result of the function + * + * @return void + */ + public static function traceEnd($res = '') + { + if (empty(self::$_PHPCAS_DEBUG['indent'])) { + self::$_PHPCAS_DEBUG['indent'] = 0; + } else { + self::$_PHPCAS_DEBUG['indent']--; + } + $dbg = debug_backtrace(); + $str = ''; + if (is_object($res)) { + $str .= '<= ' . get_class($res); + } else { + $str .= '<= ' . str_replace(array("\r\n", "\n", "\r"), "", var_export($res, true)); + } + + phpCAS :: log($str); + } + + /** + * This method is used to indicate the end of the execution of the program + * + * @return void + */ + public static function traceExit() + { + phpCAS :: log('exit()'); + while (self::$_PHPCAS_DEBUG['indent'] > 0) { + phpCAS :: log('-'); + self::$_PHPCAS_DEBUG['indent']--; + } + } + + /** @} */ + // ######################################################################## + // INTERNATIONALIZATION + // ######################################################################## + /** + * @addtogroup publicLang + * @{ + */ + + /** + * This method is used to set the language used by phpCAS. + * + * @param string $lang string representing the language. + * + * @return void + * + * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH + * @note Can be called only once. + */ + public static function setLang($lang) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (gettype($lang) != 'string') { + phpCAS :: error('type mismatched for parameter $lang (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setLang($lang); + } + + /** @} */ + // ######################################################################## + // VERSION + // ######################################################################## + /** + * @addtogroup public + * @{ + */ + + /** + * This method returns the phpCAS version. + * + * @return the phpCAS version. + */ + public static function getVersion() + { + return PHPCAS_VERSION; + } + + /** @} */ + // ######################################################################## + // HTML OUTPUT + // ######################################################################## + /** + * @addtogroup publicOutput + * @{ + */ + + /** + * This method sets the HTML header used for all outputs. + * + * @param string $header the HTML header. + * + * @return void + */ + public static function setHTMLHeader($header) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (gettype($header) != 'string') { + phpCAS :: error('type mismatched for parameter $header (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setHTMLHeader($header); + } + + /** + * This method sets the HTML footer used for all outputs. + * + * @param string $footer the HTML footer. + * + * @return void + */ + public static function setHTMLFooter($footer) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (gettype($footer) != 'string') { + phpCAS :: error('type mismatched for parameter $footer (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setHTMLFooter($footer); + } + + /** @} */ + // ######################################################################## + // PGT STORAGE + // ######################################################################## + /** + * @addtogroup publicPGTStorage + * @{ + */ + + /** + * This method can be used to set a custom PGT storage object. + * + * @param CAS_PGTStorage $storage a PGT storage object that inherits from the + * CAS_PGTStorage class + * + * @return void + */ + public static function setPGTStorage($storage) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called before ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() (called at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ')'); + } + if ( !($storage instanceof CAS_PGTStorage) ) { + phpCAS :: error('type mismatched for parameter $storage (should be a CAS_PGTStorage `object\')'); + } + self::$_PHPCAS_CLIENT->setPGTStorage($storage); + phpCAS :: traceEnd(); + } + + /** + * This method is used to tell phpCAS to store the response of the + * CAS server to PGT requests in a database. + * + * @param string $dsn_or_pdo a dsn string to use for creating a PDO + * object or a PDO object + * @param string $username the username to use when connecting to the + * database + * @param string $password the password to use when connecting to the + * database + * @param string $table the table to use for storing and retrieving + * PGT's + * @param string $driver_options any driver options to use when connecting + * to the database + * + * @return void + */ + public static function setPGTStorageDb($dsn_or_pdo, $username='', + $password='', $table='', $driver_options=null + ) { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called before ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() (called at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ')'); + } + if (gettype($username) != 'string') { + phpCAS :: error('type mismatched for parameter $username (should be `string\')'); + } + if (gettype($password) != 'string') { + phpCAS :: error('type mismatched for parameter $password (should be `string\')'); + } + if (gettype($table) != 'string') { + phpCAS :: error('type mismatched for parameter $table (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setPGTStorageDb($dsn_or_pdo, $username, $password, $table, $driver_options); + phpCAS :: traceEnd(); + } + + /** + * This method is used to tell phpCAS to store the response of the + * CAS server to PGT requests onto the filesystem. + * + * @param string $path the path where the PGT's should be stored + * + * @return void + */ + public static function setPGTStorageFile($path = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called before ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() (called at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ')'); + } + if (gettype($path) != 'string') { + phpCAS :: error('type mismatched for parameter $path (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setPGTStorageFile($path); + phpCAS :: traceEnd(); + } + /** @} */ + // ######################################################################## + // ACCESS TO EXTERNAL SERVICES + // ######################################################################## + /** + * @addtogroup publicServices + * @{ + */ + + /** + * Answer a proxy-authenticated service handler. + * + * @param string $type The service type. One of + * PHPCAS_PROXIED_SERVICE_HTTP_GET; PHPCAS_PROXIED_SERVICE_HTTP_POST; + * PHPCAS_PROXIED_SERVICE_IMAP + * + * @return CAS_ProxiedService + * @throws InvalidArgumentException If the service type is unknown. + */ + public static function getProxiedService ($type) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after the programmer is sure the user has been authenticated (by calling ' . __CLASS__ . '::checkAuthentication() or ' . __CLASS__ . '::forceAuthentication()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + if (gettype($type) != 'string') { + phpCAS :: error('type mismatched for parameter $type (should be `string\')'); + } + + $res = self::$_PHPCAS_CLIENT->getProxiedService($type); + + phpCAS :: traceEnd(); + return $res; + } + + /** + * Initialize a proxied-service handler with the proxy-ticket it should use. + * + * @param CAS_ProxiedService $proxiedService Proxied Service Handler + * + * @return void + * @throws CAS_ProxyTicketException If there is a proxy-ticket failure. + * The code of the Exception will be one of: + * PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE + * PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE + * PHPCAS_SERVICE_PT_FAILURE + */ + public static function initializeProxiedService (CAS_ProxiedService $proxiedService) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + 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 (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + + self::$_PHPCAS_CLIENT->initializeProxiedService($proxiedService); + } + + /** + * This method is used to access an HTTP[S] service. + * + * @param string $url the service to access. + * @param string &$err_code an error code Possible values are + * PHPCAS_SERVICE_OK (on success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, + * PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE, PHPCAS_SERVICE_PT_FAILURE, + * PHPCAS_SERVICE_NOT_AVAILABLE. + * @param string &$output the output of the service (also used to give an + * error message on failure). + * + * @return bool true on success, false otherwise (in this later case, + * $err_code gives the reason why it failed and $output contains an error + * message). + */ + public static function serviceWeb($url, & $err_code, & $output) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + 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 (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string\')'); + } + + $res = self::$_PHPCAS_CLIENT->serviceWeb($url, $err_code, $output); + + phpCAS :: traceEnd($res); + return $res; + } + + /** + * This method is used to access an IMAP/POP3/NNTP service. + * + * @param string $url a string giving the URL of the service, + * including the mailing box for IMAP URLs, as accepted by imap_open(). + * @param string $service a string giving for CAS retrieve Proxy ticket + * @param string $flags options given to imap_open(). + * @param string &$err_code an error code Possible values are + * PHPCAS_SERVICE_OK (on success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, + * PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE, PHPCAS_SERVICE_PT_FAILURE, + * PHPCAS_SERVICE_NOT_AVAILABLE. + * @param string &$err_msg an error message on failure + * @param string &$pt the Proxy Ticket (PT) retrieved from the CAS + * server to access the URL on success, false on error). + * + * @return object IMAP stream on success, false otherwise (in this later + * case, $err_code gives the reason why it failed and $err_msg contains an + * error message). + */ + public static function serviceMail($url, $service, $flags, & $err_code, & $err_msg, & $pt) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + 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 (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') 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\')'); + } + + $res = self::$_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 int $n an integer. + * + * @return void + */ + public static function setCacheTimesForAuthRecheck($n) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (gettype($n) != 'integer') { + phpCAS :: error('type mismatched for parameter $n (should be `integer\')'); + } + self::$_PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n); + } + + /** + * Set a callback function to be run when a user authenticates. + * + * The callback function will be passed a $logoutTicket as its first + * parameter, followed by any $additionalArgs you pass. The $logoutTicket + * parameter is an opaque string that can be used to map the session-id to + * logout request in order to support single-signout in applications that + * manage their own sessions (rather than letting phpCAS start the session). + * + * phpCAS::forceAuthentication() will always exit and forward client unless + * they are already authenticated. To perform an action at the moment the user + * logs in (such as registering an account, performing logging, etc), register + * a callback function here. + * + * @param string $function Callback function + * @param array $additionalArgs optional array of arguments + * + * @return void + */ + public static function setPostAuthenticateCallback ($function, array $additionalArgs = array()) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + + self::$_PHPCAS_CLIENT->setPostAuthenticateCallback($function, $additionalArgs); + } + + /** + * Set a callback function to be run when a single-signout request is + * received. The callback function will be passed a $logoutTicket as its + * first parameter, followed by any $additionalArgs you pass. The + * $logoutTicket parameter is an opaque string that can be used to map a + * session-id to the logout request in order to support single-signout in + * applications that manage their own sessions (rather than letting phpCAS + * start and destroy the session). + * + * @param string $function Callback function + * @param array $additionalArgs optional array of arguments + * + * @return void + */ + public static function setSingleSignoutCallback ($function, array $additionalArgs = array()) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + + self::$_PHPCAS_CLIENT->setSingleSignoutCallback($function, $additionalArgs); + } + + /** + * This method is called to check if the user is already authenticated + * locally or has a global cas session. A already existing cas session is + * determined by a cas gateway call.(cas login call without any interactive + * prompt) + * + * @return true when the user is authenticated, false when a previous + * gateway login failed or the function will not return if the user is + * redirected to the cas server for a gateway login attempt + */ + public static function checkAuthentication() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + + $auth = self::$_PHPCAS_CLIENT->checkAuthentication(); + + // store where the authentication has been checked and the result + self::$_PHPCAS_CLIENT->markAuthenticationCall($auth); + + phpCAS :: traceEnd($auth); + return $auth; + } + + /** + * This method is called to force authentication if the user was not already + * authenticated. If the user is not authenticated, halt by redirecting to + * the CAS server. + * + * @return bool Authentication + */ + public static function forceAuthentication() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + + $auth = self::$_PHPCAS_CLIENT->forceAuthentication(); + + // store where the authentication has been checked and the result + self::$_PHPCAS_CLIENT->markAuthenticationCall($auth); + + /* if (!$auth) { + phpCAS :: trace('user is not authenticated, redirecting to the CAS server'); + self::$_PHPCAS_CLIENT->forceAuthentication(); + } else { + phpCAS :: trace('no need to authenticate (user `' . phpCAS :: getUser() . '\' is already authenticated)'); + }*/ + + phpCAS :: traceEnd(); + return $auth; + } + + /** + * This method is called to renew the authentication. + * + * @return void + **/ + public static function renewAuthentication() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + $auth = self::$_PHPCAS_CLIENT->renewAuthentication(); + + // store where the authentication has been checked and the result + self::$_PHPCAS_CLIENT->markAuthenticationCall($auth); + + //self::$_PHPCAS_CLIENT->renewAuthentication(); + phpCAS :: traceEnd(); + } + + /** + * This method is called to check if the user is authenticated (previously or by + * tickets given in the URL). + * + * @return true when the user is authenticated. + */ + public static function isAuthenticated() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + + // call the isAuthenticated method of the $_PHPCAS_CLIENT object + $auth = self::$_PHPCAS_CLIENT->isAuthenticated(); + + // store where the authentication has been checked and the result + self::$_PHPCAS_CLIENT->markAuthenticationCall($auth); + + phpCAS :: traceEnd($auth); + return $auth; + } + + /** + * Checks whether authenticated based on $_SESSION. Useful to avoid + * server calls. + * + * @return bool true if authenticated, false otherwise. + * @since 0.4.22 by Brendan Arnold + */ + public static function isSessionAuthenticated() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + return (self::$_PHPCAS_CLIENT->isSessionAuthenticated()); + } + + /** + * This method returns the CAS user's login name. + * + * @return string the login name of the authenticated user + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + * */ + public static function getUser() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::forceAuthentication() or ' . __CLASS__ . '::isAuthenticated()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + return self::$_PHPCAS_CLIENT->getUser(); + } + + /** + * Answer attributes about the authenticated user. + * + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + * + * @return array + */ + public static function getAttributes() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::forceAuthentication() or ' . __CLASS__ . '::isAuthenticated()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + return self::$_PHPCAS_CLIENT->getAttributes(); + } + + /** + * Answer true if there are attributes for the authenticated user. + * + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + * + * @return bool + */ + public static function hasAttributes() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::forceAuthentication() or ' . __CLASS__ . '::isAuthenticated()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + return self::$_PHPCAS_CLIENT->hasAttributes(); + } + + /** + * Answer true if an attribute exists for the authenticated user. + * + * @param string $key attribute name + * + * @return bool + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + */ + public static function hasAttribute($key) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::forceAuthentication() or ' . __CLASS__ . '::isAuthenticated()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + return self::$_PHPCAS_CLIENT->hasAttribute($key); + } + + /** + * Answer an attribute for the authenticated user. + * + * @param string $key attribute name + * + * @return mixed string for a single value or an array if multiple values exist. + * @warning should not be called only after phpCAS::forceAuthentication() + * or phpCAS::checkAuthentication(). + */ + public static function getAttribute($key) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCalled()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::forceAuthentication() or ' . __CLASS__ . '::isAuthenticated()'); + } + if (!self::$_PHPCAS_CLIENT->wasAuthenticationCallSuccessful()) { + phpCAS :: error('authentication was checked (by ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerMethod() . '() at ' . self::$_PHPCAS_CLIENT->getAuthenticationCallerFile() . ':' . self::$_PHPCAS_CLIENT->getAuthenticationCallerLine() . ') but the method returned false'); + } + return self::$_PHPCAS_CLIENT->getAttribute($key); + } + + /** + * Handle logout requests. + * + * @param bool $check_client additional safety check + * @param array $allowed_clients array of allowed clients + * + * @return void + */ + public static function handleLogoutRequests($check_client = true, $allowed_clients = false) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + return (self::$_PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients)); + } + + /** + * This method returns the URL to be used to login. + * or phpCAS::isAuthenticated(). + * + * @return the login name of the authenticated user + */ + public static function getServerLoginURL() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + return self::$_PHPCAS_CLIENT->getServerLoginURL(); + } + + /** + * Set the login URL of the CAS server. + * + * @param string $url the login URL + * + * @return void + * @since 0.4.21 by Wyman Chan + */ + public static function setServerLoginURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after' . __CLASS__ . '::client()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string`)'); + } + self::$_PHPCAS_CLIENT->setServerLoginURL($url); + phpCAS :: traceEnd(); + } + + /** + * Set the serviceValidate URL of the CAS server. + * Used only in CAS 1.0 validations + * + * @param string $url the serviceValidate URL + * + * @return void + */ + public static function setServerServiceValidateURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after' . __CLASS__ . '::client()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string`)'); + } + self::$_PHPCAS_CLIENT->setServerServiceValidateURL($url); + phpCAS :: traceEnd(); + } + + /** + * Set the proxyValidate URL of the CAS server. + * Used for all CAS 2.0 validations + * + * @param string $url the proxyValidate URL + * + * @return void + */ + public static function setServerProxyValidateURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after' . __CLASS__ . '::client()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string`)'); + } + self::$_PHPCAS_CLIENT->setServerProxyValidateURL($url); + phpCAS :: traceEnd(); + } + + /** + * Set the samlValidate URL of the CAS server. + * + * @param string $url the samlValidate URL + * + * @return void + */ + public static function setServerSamlValidateURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after' . __CLASS__ . '::client()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be`string\')'); + } + self::$_PHPCAS_CLIENT->setServerSamlValidateURL($url); + phpCAS :: traceEnd(); + } + + /** + * This method returns the URL to be used to login. + * or phpCAS::isAuthenticated(). + * + * @return the login name of the authenticated user + */ + public static function getServerLogoutURL() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should not be called before ' . __CLASS__ . '::client() or ' . __CLASS__ . '::proxy()'); + } + return self::$_PHPCAS_CLIENT->getServerLogoutURL(); + } + + /** + * Set the logout URL of the CAS server. + * + * @param string $url the logout URL + * + * @return void + * @since 0.4.21 by Wyman Chan + */ + public static function setServerLogoutURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error( + 'this method should only be called after' . __CLASS__ . '::client()' + ); + } + if (gettype($url) != 'string') { + phpCAS :: error( + 'type mismatched for parameter $url (should be `string`)' + ); + } + self::$_PHPCAS_CLIENT->setServerLogoutURL($url); + phpCAS :: traceEnd(); + } + + /** + * This method is used to logout from CAS. + * + * @param string $params an array that contains the optional url and + * service parameters that will be passed to the CAS server + * + * @return void + */ + public static function logout($params = "") + { + phpCAS :: traceBegin(); + if (!is_object(self::$_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] = $value; + } + } + self::$_PHPCAS_CLIENT->logout($parsedParams); + // never reached + phpCAS :: traceEnd(); + } + + /** + * This method is used to logout from CAS. Halts by redirecting to the CAS + * server. + * + * @param service $service a URL that will be transmitted to the CAS server + * + * @return void + */ + public static function logoutWithRedirectService($service) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + if (!is_string($service)) { + phpCAS :: error('type mismatched for parameter $service (should be `string\')'); + } + self::$_PHPCAS_CLIENT->logout(array ( "service" => $service )); + // never reached + phpCAS :: traceEnd(); + } + + /** + * This method is used to logout from CAS. Halts by redirecting to the CAS + * server. + * + * @param string $url a URL that will be transmitted to the CAS server + * + * @return void + * @deprecated The url parameter has been removed from the CAS server as of + * version 3.3.5.1 + */ + public static function logoutWithUrl($url) + { + trigger_error('Function deprecated for cas servers >= 3.3.5.1', E_USER_DEPRECATED); + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + if (!is_string($url)) { + phpCAS :: error('type mismatched for parameter $url (should be `string\')'); + } + self::$_PHPCAS_CLIENT->logout(array ( "url" => $url )); + // never reached + phpCAS :: traceEnd(); + } + + /** + * This method is used to logout from CAS. Halts by redirecting to the CAS + * server. + * + * @param string $service a URL that will be transmitted to the CAS server + * @param string $url a URL that will be transmitted to the CAS server + * + * @return void + * + * @deprecated The url parameter has been removed from the CAS server as of + * version 3.3.5.1 + */ + public static function logoutWithRedirectServiceAndUrl($service, $url) + { + trigger_error('Function deprecated for cas servers >= 3.3.5.1', E_USER_DEPRECATED); + phpCAS :: traceBegin(); + if (!is_object(self::$_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 $url (should be `string\')'); + } + self::$_PHPCAS_CLIENT->logout( + array ( + "service" => $service, + "url" => $url + ) + ); + // never reached + phpCAS :: traceEnd(); + } + + /** + * Set the fixed URL that will be used by the CAS server to transmit the + * PGT. When this method is not called, a phpCAS script uses its own URL + * for the callback. + * + * @param string $url the URL + * + * @return void + */ + public static function setFixedCallbackURL($url = '') + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (!self::$_PHPCAS_CLIENT->isProxy()) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string\')'); + } + self::$_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 string $url the URL + * + * @return void + */ + public static function setFixedServiceURL($url) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (gettype($url) != 'string') { + phpCAS :: error('type mismatched for parameter $url (should be `string\')'); + } + self::$_PHPCAS_CLIENT->setURL($url); + phpCAS :: traceEnd(); + } + + /** + * Get the URL that is set as the CAS service parameter. + * + * @return string Service Url + */ + public static function getServiceURL() + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + return (self::$_PHPCAS_CLIENT->getURL()); + } + + /** + * Retrieve a Proxy Ticket from the CAS server. + * + * @param string $target_service Url string of service to proxy + * @param string &$err_code error code + * @param string &$err_msg error message + * + * @return string Proxy Ticket + */ + public static function retrievePT($target_service, & $err_code, & $err_msg) + { + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::proxy()'); + } + if (gettype($target_service) != 'string') { + phpCAS :: error('type mismatched for parameter $target_service(should be `string\')'); + } + return (self::$_PHPCAS_CLIENT->retrievePT($target_service, $err_code, $err_msg)); + } + + /** + * Set the certificate of the CAS server CA and if the CN should be properly + * verified. + * + * @param string $cert CA certificate file name + * @param bool $validate_cn Validate CN in certificate (default true) + * + * @return void + */ + public static function setCasServerCACert($cert, $validate_cn = true) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_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 $cert (should be `string\')'); + } + if (gettype($validate_cn) != 'boolean') { + phpCAS :: error('type mismatched for parameter $validate_cn (should be `boolean\')'); + } + self::$_PHPCAS_CLIENT->setCasServerCACert($cert, $validate_cn); + phpCAS :: traceEnd(); + } + + /** + * Set no SSL validation for the CAS server. + * + * @return void + */ + public static function setNoCasServerValidation() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + phpCAS :: trace('You have configured no validation of the legitimacy of the cas server. This is not recommended for production use.'); + self::$_PHPCAS_CLIENT->setNoCasServerValidation(); + phpCAS :: traceEnd(); + } + + + /** + * Disable the removal of a CAS-Ticket from the URL when authenticating + * DISABLING POSES A SECURITY RISK: + * We normally remove the ticket by an additional redirect as a security + * precaution to prevent a ticket in the HTTP_REFERRER or be carried over in + * the URL parameter + * + * @return void + */ + public static function setNoClearTicketsFromUrl() + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + self::$_PHPCAS_CLIENT->setNoClearTicketsFromUrl(); + phpCAS :: traceEnd(); + } + + /** @} */ + + /** + * Change CURL options. + * CURL is used to connect through HTTPS to CAS server + * + * @param string $key the option key + * @param string $value the value to set + * + * @return void + */ + public static function setExtraCurlOption($key, $value) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + self::$_PHPCAS_CLIENT->setExtraCurlOption($key, $value); + phpCAS :: traceEnd(); + } + + /** + * If you want your service to be proxied you have to enable it (default + * disabled) and define an accepable list of proxies that are allowed to + * proxy your service. + * + * Add each allowed proxy definition object. For the normal CAS_ProxyChain + * class, the constructor takes an array of proxies to match. The list is in + * reverse just as seen from the service. Proxies have to be defined in reverse + * from the service to the user. If a user hits service A and gets proxied via + * B to service C the list of acceptable on C would be array(B,A). The definition + * of an individual proxy can be either a string or a regexp (preg_match is used) + * that will be matched against the proxy list supplied by the cas server + * when validating the proxy tickets. The strings are compared starting from + * the beginning and must fully match with the proxies in the list. + * Example: + * phpCAS::allowProxyChain(new CAS_ProxyChain(array( + * 'https://app.example.com/' + * ))); + * phpCAS::allowProxyChain(new CAS_ProxyChain(array( + * '/^https:\/\/app[0-9]\.example\.com\/rest\//', + * 'http://client.example.com/' + * ))); + * + * For quick testing or in certain production screnarios you might want to + * allow allow any other valid service to proxy your service. To do so, add + * the "Any" chain: + * phpcas::allowProxyChain(new CAS_ProxyChain_Any); + * THIS SETTING IS HOWEVER NOT RECOMMENDED FOR PRODUCTION AND HAS SECURITY + * IMPLICATIONS: YOU ARE ALLOWING ANY SERVICE TO ACT ON BEHALF OF A USER + * ON THIS SERVICE. + * + * @param CAS_ProxyChain_Interface $proxy_chain A proxy-chain that will be + * matched against the proxies requesting access + * + * @return void + */ + public static function allowProxyChain(CAS_ProxyChain_Interface $proxy_chain) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + if (self::$_PHPCAS_CLIENT->getServerVersion() !== CAS_VERSION_2_0) { + phpCAS :: error('this method can only be used with the cas 2.0 protool'); + } + self::$_PHPCAS_CLIENT->getAllowedProxyChains()->allowProxyChain($proxy_chain); + phpCAS :: traceEnd(); + } + + /** + * Answer an array of proxies that are sitting in front of this application. + * This method will only return a non-empty array if we have received and + * validated a Proxy Ticket. + * + * @return array + * @access public + * @since 6/25/09 + */ + public static function getProxies () + { + if ( !is_object(self::$_PHPCAS_CLIENT) ) { + phpCAS::error('this method should only be called after '.__CLASS__.'::client()'); + } + + return(self::$_PHPCAS_CLIENT->getProxies()); + } + + // ######################################################################## + // PGTIOU/PGTID and logoutRequest rebroadcasting + // ######################################################################## + + /** + * Add a pgtIou/pgtId and logoutRequest rebroadcast node. + * + * @param string $rebroadcastNodeUrl The rebroadcast node URL. Can be + * hostname or IP. + * + * @return void + */ + public static function addRebroadcastNode($rebroadcastNodeUrl) + { + phpCAS::traceBegin(); + phpCAS::log('rebroadcastNodeUrl:'.$rebroadcastNodeUrl); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + if ( !(bool)preg_match("/^(http|https):\/\/([A-Z0-9][A-Z0-9_-]*(?:\.[A-Z0-9][A-Z0-9_-]*)+):?(\d+)?\/?/i", $rebroadcastNodeUrl)) { + phpCAS::error('type mismatched for parameter $rebroadcastNodeUrl (should be `url\')'); + } + self::$_PHPCAS_CLIENT->addRebroadcastNode($rebroadcastNodeUrl); + phpCAS::traceEnd(); + } + + /** + * This method is used to add header parameters when rebroadcasting + * pgtIou/pgtId or logoutRequest. + * + * @param String $header Header to send when rebroadcasting. + * + * @return void + */ + public static function addRebroadcastHeader($header) + { + phpCAS :: traceBegin(); + if (!is_object(self::$_PHPCAS_CLIENT)) { + phpCAS :: error('this method should only be called after ' . __CLASS__ . '::client() or' . __CLASS__ . '::proxy()'); + } + self::$_PHPCAS_CLIENT->addRebroadcastHeader($header); + 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 internalSAML CAS SAML features (SAML 1.1) + * @ingroup internal */ + +/** @defgroup internalPGTStorage PGT storage + * @ingroup internalProxy */ + +/** @defgroup internalPGTStorageDb PGT storage in a database + * @ingroup internalPGTStorage */ + +/** @defgroup internalPGTStorageFile PGT storage on the filesystem + * @ingroup internalPGTStorage */ + +/** @defgroup internalCallback Callback from the CAS server + * @ingroup internalProxy */ + +/** @defgroup internalProxyServices Proxy other services + * @ingroup internalProxy */ + +/** @defgroup internalService CAS client features (CAS 2.0, Proxied service) + * @ingroup internal */ + +/** @defgroup internalConfig Configuration + * @ingroup internal */ + +/** @defgroup internalBehave Internal behaviour of phpCAS + * @ingroup internalConfig */ + +/** @defgroup internalOutput HTML output + * @ingroup internalConfig */ + +/** @defgroup internalLang Internationalization + * @ingroup internalConfig + * + * To add a new language: + * - 1. define a new constant PHPCAS_LANG_XXXXXX in CAS/CAS.php + * - 2. copy any file from CAS/languages to CAS/languages/XXXXXX.php + * - 3. Make the translations + */ + +/** @defgroup internalDebug Debugging + * @ingroup internal */ + +/** @defgroup internalMisc Miscellaneous + * @ingroup internal */ + +// ######################################################################## +// EXAMPLES + +/** + * @example example_simple.php + */ +/** + * @example example_service.php + */ +/** + * @example example_service_that_proxies.php + */ +/** + * @example example_service_POST.php + */ +/** + * @example example_proxy_serviceWeb.php + */ +/** + * @example example_proxy_serviceWeb_chaining.php + */ +/** + * @example example_proxy_POST.php + */ +/** + * @example example_proxy_GET.php + */ +/** + * @example example_lang.php + */ +/** + * @example example_html.php + */ +/** + * @example example_pgt_storage_file.php + */ +/** + * @example example_pgt_storage_db.php + */ +/** + * @example example_gateway.php + */ +/** + * @example example_logout.php + */ +/** + * @example example_rebroadcast.php + */ +/** + * @example example_custom_urls.php + */ +/** + * @example example_advanced_saml11.php + */ +?>