* @author Adam Franco * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0 * @link https://wiki.jasig.org/display/CASC/phpCAS */ // Load the settings from the central config file require_once 'config.php'; // Load the CAS lib require_once $phpcas_path . '/CAS.php'; // Uncomment to enable debugging phpCAS::setDebug(); // Initialize phpCAS phpCAS::client(CAS_VERSION_2_0, $cas_host, $cas_port, $cas_context); // For production use set the CA certificate that is the issuer of the cert // on the CAS server and uncomment the line below // phpCAS::setCasServerCACert($cas_server_ca_cert_path); // For quick testing you can disable SSL validation of the CAS server. // THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION. // VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL! phpCAS::setNoCasServerValidation(); // 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/' // ))); phpCAS::allowProxyChain(new CAS_ProxyChain(array($pgtUrlRegexp))); // For quick testing or in certain production screnarios you might want to // allow allow any other valid service to proxy your service. To do so, add // the "Any" chain: // phpcas::allowProxyChain(new CAS_ProxyChain_Any); // THIS SETTING IS HOWEVER NOT RECOMMENDED FOR PRODUCTION AND HAS SECURITY // IMPLICATIONS: YOU ARE ALLOWING ANY SERVICE TO ACT ON BEHALF OF A USER // ON THIS SERVICE. //phpcas::allowProxyChain(new CAS_ProxyChain_Any); // force CAS authentication phpCAS::forceAuthentication(); if ($_SERVER['REQUEST_METHOD'] != 'POST') { header('HTTP/1.1 400 Bad Request'); print "

I only respond to POST requests. This is a " . $_SERVER['REQUEST_METHOD'] . " request.

"; exit; } if (empty($_POST['favorite_color'])) { header('HTTP/1.1 400 Bad Request'); print '

You must post a favorite_color.

'; exit; } print '

I am a service that responds to POST requests.

'; // at this step, the user has been authenticated by the CAS server // and the user's login name can be read with phpCAS::getUser(). require 'script_info.php'; // for this test, simply print that the authentication was successfull echo '

The user\'s login is ' . phpCAS::getUser() . '.

'; print '

Your favorite color is ' . htmlentities($_POST['favorite_color']) . '

'; // increment the number of requests of the session and print it if (!isset($_SESSION['n'])) { $_SESSION['n'] = 0; } echo '

request #' . (++$_SESSION['n']) . '

';