<?php
require 'tickets.php';
/*
* Incomming parameters:
* targetService
* ptg
*
*/
if (array_key_exists('targetService', $_GET)) {
$targetService = $_GET['targetService'];
$pgt = $_GET['pgt'];
} else {
throw new Exception('Required URL query parameter [targetService] not provided. (CAS Server)');
}
$casconfig = SimpleSAML_Configuration::getConfig('module_casserver.php');
$legal_service_urls = $casconfig->getValue('legal_service_urls');
if (!checkServiceURL($targetService, $legal_service_urls))
throw new Exception('Service parameter provided to CAS server is not listed as a legal service: [service] = ' . $service);
$path = $casconfig->resolvePath($casconfig->getValue('ticketcache', 'ticketcache'));
$ticket = retrieveTicket($pgt, $path, false);
if ($ticket['validbefore'] > time()) {
$pt = str_replace( '_', 'PT-', SimpleSAML_Utilities::generateID() );
storeTicket($pt, $path, array(
'service' => $targetService,
'forceAuthn' => false,
'attributes' => $ticket['attributes'],
'proxies' => $ticket['proxies'],
'validbefore' => time() + 5)
);
print <<<eox
<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
<cas:proxySuccess>
<cas:proxyTicket>$pt</cas:proxyTicket>
</cas:proxySuccess>
</cas:serviceResponse>
eox;
} else {
print <<<eox
<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
<cas:proxyFailure code="INVALID_REQUEST">
Proxygranting ticket to old - ssp casserver only supports shortlived (30 secs) pgts.
</cas:proxyFailure>
</cas:serviceResponse>
eox;
}
?>
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