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docs/examples/example_proxy_POST.php

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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 $serviceUrl = $curbase.$curdir.'example_service_POST.php';
00034 
00035 ?>
00036 <html>
00037   <head>
00038     <title>phpCAS proxy POST example</title>
00039     <link rel="stylesheet" type='text/css' href='example.css'/>
00040   </head>
00041   <body>
00042     <h1>phpCAS proxy POST example</h1>
00043     <?php include 'script_info.php' ?>
00044     <p>the user's login is <b><?php echo phpCAS::getUser(); ?></b>.</p>
00045     <h2>Response from service <?php echo $serviceUrl; ?></h2>
00046 <?php
00047         flush();
00048         
00049         // call a service and change the color depending on the result
00050         try {
00051                 $service = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_POST);
00052                 $service->setUrl($serviceUrl);
00053                 $service->setContentType('application/x-www-form-urlencoded');
00054                 $service->setBody('favorite_color=blue');
00055                 $service->send();
00056                 if ($service->getResponseStatusCode() == 200) {
00057                         echo '<div class="success">';
00058                         echo $service->getResponseBody();
00059                         echo '</div>';
00060                 } else {
00061                         // The service responded with an error code 404, 500, etc.
00062                         echo '<div class="error">';
00063                         echo 'The service responded with a '.$service->getResponseStatusCode().' error.';
00064                         echo $service->getResponseBody();
00065                         echo '</div>';
00066                 }
00067         } catch (CAS_ProxyTicketException $e) {
00068                 if ($e->getCode() == PHPCAS_SERVICE_PT_FAILURE) {
00069                         echo '<div class="error">';
00070                         echo "Your login has timed out. You need to log in again.";
00071                         echo '</div>';
00072                 } else
00073                         // Other proxy ticket errors are from bad request format (shouldn't happen)
00074                         // or CAS server failure (unlikely) so lets just stop if we hit those.
00075                         throw $e; 
00076         } catch (CAS_ProxiedService_Exception $e) {
00077                 // Something prevented the service request from being sent or received.
00078                 // We didn't even get a valid error response (404, 500, etc), so this
00079                 // might be caused by a network error or a DNS resolution failure.
00080                 // We could handle it in some way, but for now we will just stop.
00081                 throw $e;
00082         }
00083         
00084         
00085 ?>
00086   </body>
00087 </html>
00088 

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