phpCAS/api/example_gateway_8php-example.html

<?php
// Load the settings from the central config file
require_once 'config.php';
// Load the CAS lib
require_once $phpcas_path . '/CAS.php';
// Enable debugging
phpCAS::setLogger();
// Enable verbose error messages. Disable in production!
phpCAS::setVerbose(true);
// 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 (isset($_REQUEST['logout'])) {
    phpCAS::logout();
}
if (isset($_REQUEST['login'])) {
    phpCAS::forceAuthentication();
}
// check CAS authentication
$auth = phpCAS::checkAuthentication();
?>
<html>
  <head>
    <title>phpCAS simple client</title>
  </head>
  <body>
<?php
if ($auth) {
    // for this test, simply print that the authentication was successfull
        ?>
    <h1>Successfull Authentication!</h1>
    <?php include 'script_info.php' ?>
    <p>the user's login is <b><?php echo phpCAS::getUser(); ?></b>.</p>
    <p><a href="?logout=">Logout</a></p><?php
} else {
                                        ?>
    <h1>Guest mode</h1>
    <p><a href="?login=">Login</a></p><?php
}
                                      ?>
    <p>phpCAS version is <b><?php echo phpCAS::getVersion(); ?></b>.</p>
  </body>
</html>