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docs/examples/example_proxy_GET.php

Go to the documentation of this file.
00001 <?php
00002 // Example for a proxy that makes a GET request.
00003 
00004 // Load the settings from the central config file
00005 include_once('config.php');
00006 // Load the CAS lib
00007 include_once($phpcas_path.'/CAS.php');
00008 
00009 // Uncomment to enable debugging
00010 phpCAS::setDebug();
00011 
00012 // Initialize phpCAS
00013 phpCAS::proxy(CAS_VERSION_2_0, $cas_host, $cas_port, $cas_context);
00014 
00015 // For production use set the CA certificate that is the issuer of the cert 
00016 // on the CAS server and uncomment the line below
00017 // phpCAS::setCasServerCACert($cas_server_ca_cert_path);
00018 
00019 // For quick testing you can disable SSL validation of the CAS server. 
00020 // THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION. 
00021 // VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL! 
00022 phpCAS::setNoCasServerValidation();
00023 
00024 // force CAS authentication
00025 phpCAS::forceAuthentication();
00026 
00027 // at this step, the user has been authenticated by the CAS server
00028 // and the user's login name can be read with phpCAS::getUser().
00029 
00030 // moreover, a PGT was retrieved from the CAS server that will
00031 // permit to gain accesses to new services.
00032 
00033 ?>
00034 <html>
00035   <head>
00036     <title>phpCAS proxy example #2</title>
00037     <link rel="stylesheet" type='text/css' href='example.css'/>
00038   </head>
00039   <body>
00040     <h1>phpCAS proxied proxy example</h1>
00041     <?php include 'script_info.php' ?>
00042     <p>the user's login is <b><?php echo phpCAS::getUser(); ?></b>.</p>
00043     <h2>Response from service <?php echo $serviceUrl; ?></h2>
00044 <?php
00045         flush();
00046         
00047         // call a service and change the color depending on the result
00048         try {
00049                 $service = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_GET);
00050                 $service->setUrl($serviceUrl);
00051                 $service->send();
00052                 if ($service->getResponseStatusCode() == 200) {
00053                         echo '<div class="success">';
00054                         echo $service->getResponseBody();
00055                         echo '</div>';
00056                 } else {
00057                         // The service responded with an error code 404, 500, etc.
00058                         echo '<div class="error">';
00059                         echo 'The service responded with a '.$service->getResponseStatusCode().' error.';
00060                         echo '</div>';
00061                 }
00062         } catch (CAS_ProxyTicketException $e) {
00063                 if ($e->getCode() == PHPCAS_SERVICE_PT_FAILURE) {
00064                         echo '<div class="error">';
00065                         echo "Your login has timed out. You need to log in again.";
00066                         echo '</div>';
00067                 } else
00068                         // Other proxy ticket errors are from bad request format (shouldn't happen)
00069                         // or CAS server failure (unlikely) so lets just stop if we hit those.
00070                         throw $e; 
00071         } catch (CAS_ProxiedService_Exception $e) {
00072                 // Something prevented the service request from being sent or received.
00073                 // We didn't even get a valid error response (404, 500, etc), so this
00074                 // might be caused by a network error or a DNS resolution failure.
00075                 // We could handle it in some way, but for now we will just stop.
00076                 throw $e;
00077         }
00078         
00079         
00080 ?>
00081   </body>
00082 </html>
00083 

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