348 lines
8.6 KiB
PHP
348 lines
8.6 KiB
PHP
<?php
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/*
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************************************
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* Configuration *
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************************************
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*/
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// PhpCAS library path
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$phpCAS_path="CAS.php";
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// All valid CAS servers
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$cas_servers=array(
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// CAS server hostname
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$_SERVER['SERVER_NAME'] => array(
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// Context of the CAS Server
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'context' => '/cas',
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// CAS server port
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'port' => 443,
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// If you running this application in HTTP only, uncomment following parameter
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//'insecure' => true,
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// Disable CAS server Validation
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'ssl_validation' => false,
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// If ssl_validation is enable you must define
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'ssl_cacert_path' => '/path/to/cacert.crt',
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'ssl_cn_validation' => true
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)
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);
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// FQDN of CAS server
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$default_cas_server=key($cas_servers);
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// PhpCAS log file
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$phpCAS_logfile='cas.log';
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// Local app URL (auto-detect on first acces if null)
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$service_url=null;
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/*
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************************************
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* Main *
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************************************
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*/
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$warnings=array();
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session_start();
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require $phpCAS_path;
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CAS_GracefullTerminationException::throwInsteadOfExiting();
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// Make sure service URL is defined (otherwise, load it from session or auto-detect)
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if (is_null($service_url)) {
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if (isset($_SESSION['service_url'])) {
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$service_url = $_SESSION['service_url'];
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}
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else {
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$https = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off');
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$request_uri = $_SERVER['REQUEST_URI'];
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$request_uri = preg_replace('/\?.*$/', '', $request_uri);
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$service_url = "http".($https?"s":"")."://".$_SERVER['SERVER_NAME'];
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if (($_SERVER['SERVER_PORT'] != 443 && $https) || ($_SERVER['SERVER_PORT'] != 80 && !$https))
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$service_url .= ":".$_SERVER['SERVER_PORT'];
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$service_url .= $request_uri;
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$_SESSION['service_url'] = $service_url;
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}
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}
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if (isset($_REQUEST['server']) && !isset($cas_servers[$_REQUEST['server']])) {
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$warnings[]="Invalid CAS server choiced";
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unset($_REQUEST['server']);
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}
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if (isset($_REQUEST['server'])) {
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$cas_host=$_REQUEST['server'];
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if ($_SESSION['cas_server']!=$cas_host) {
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$_SESSION['cas_server']=$cas_host;
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unset($_SESSION['phpCAS']['user']);
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}
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}
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elseif (isset($_SESSION['cas_server'])) {
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$cas_host=$_SESSION['cas_server'];
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}
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else {
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$cas_host=$default_cas_server;
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$_SESSION['cas_server']=$cas_host;
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unset($_SESSION['phpCAS']['user']);
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}
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$_SESSION['cas_server']=$cas_host;
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$_show_cas_client_config=false;
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function show_cas_client_config() {
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global $phpCAS_config, $_show_cas_client_config;
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if ($_show_cas_client_config) return true;
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$_show_cas_client_config=true;
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echo "<h3>CAS Client configuration</h3><ul>";
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foreach($phpCAS_config as $cfg_name => $cfg_val) {
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echo "<li><strong>$cfg_name :</strong> <em>$cfg_val</em></li>";
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}
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echo "</ul>";
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}
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$_show_warnings=false;
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function show_warnings() {
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global $warnings,$_show_warnings;
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if ($_show_warnings) return true;
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$_show_warnings=true;
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if (!empty($warnings)) {
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echo "<h2 style='color: #f00'>Warnings message</h2><ul>";
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foreach ($warnings as $msg) {
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echo "<li>$msg</li>";
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}
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echo "</ul>";
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}
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}
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function show_cas_log() {
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global $phpCAS_logfile;
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echo "<h2>PhpCAS Debug Log</h2>";
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if (is_writable($phpCAS_logfile)) {
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$lines=file($phpCAS_logfile);
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if (is_array($lines)) {
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echo '<pre>'.implode('',$lines).'</pre>';
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}
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else {
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echo "<strong>Error reading PhpCAS debug log file ($phpCAS_logfile).</strong>";
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}
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}
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else {
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echo "<strong>PhpCAS debug log file does not exists or is not writable ($phpCAS_logfile).</strong>";
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}
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}
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function show_user_infos() {
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echo "<strong>Login :</strong> <em>".phpCAS::getUser()."</em><br/>";
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echo "<strong>Attributes : </strong><pre>".print_r(phpCAS::getAttributes(),True).'</pre>';
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}
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?>
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<html>
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<head>
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<title>Test CAS</title>
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<style>
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strong {
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font-size: 0.9em;
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}
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em {
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font-size: 0.8em;
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}
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pre {
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margin-left: 1em;
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padding: 1em;
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border-left: 1px solid;
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background-color: #eee;
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font-size: 0.9em;
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}
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div.success, div.error {
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padding: 0.2em;
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width: 50%;
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font-weight: bold;
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margin: 1em;
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text-align: center;
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}
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div.success {
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color: #0E4700;
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border: 1px solid #0E4700;
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background-color: #99E774;
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}
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div.error {
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color: #f00;
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border: 1px solid #f00;
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padding: 1em;
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background-color: #C56E6E;
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}
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h2 {
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border-bottom: 1px solid;
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}
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</style>
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<body>
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<h1>Test CAS Application</h1>
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<h2>CAS server selection</h2>
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<form action='index.php' method='POST'>
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<label for='server'>CAS server</label> :
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<select name='server' id='server' onchange="javascript:submit();">
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<?php
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foreach($cas_servers as $srv => $opts) {
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echo "<option value='$srv'".(($cas_host==$srv)?'selected':'').">$srv</option>\n";
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}
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?>
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</select>
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<input type='submit' value='Change'/>
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</form>
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<h2>Menu</h2>
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<ul>
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<li><a href='?do=login'>Login</a></li>
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<li><a href='?do=caslogout'>Logout on CAS server</a></li>
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<li><a href='?do=locallogout'>Logout on local application</a></li>
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<?php
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if (is_writable($phpCAS_logfile)) {
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echo "<li><a href='?truncatelog=true'>Truncate Debug log file content</a></li>";
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}
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?>
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</ul>
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<h2>CAS Client Initialization ...</h2>
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<?php
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try {
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$phpCAS_config=array(
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'CAS Hostname' => $cas_host,
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'CAS server port' => $cas_servers[$cas_host]['port'],
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'CAS server context' => $cas_servers[$cas_host]['context'],
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'Service URL' => $service_url,
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);
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if (is_writable($phpCAS_logfile)) {
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if (isset($_REQUEST['truncatelog'])) {
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$fh = fopen($phpCAS_logfile, 'w');
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fclose($fh);
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}
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$phpCAS_config['Debug file'] = $phpCAS_logfile;
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phpCAS::setDebug($phpCAS_logfile);
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}
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phpCAS::client(CAS_VERSION_2_0, $cas_host, $cas_servers[$cas_host]['port'], $cas_servers[$cas_host]['context']);
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phpCAS::setFixedServiceURL($service_url);
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if ($cas_servers[$cas_host]['insecure']) {
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$phpCAS_config['Insecure'] = 'Yes';
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$phpCAS_config['Base URL'] = 'http://'.$cas_host.($cas_servers[$cas_host]['port']?':'.$cas_servers[$cas_host]['port']:'').$cas_servers[$cas_host]['context'];
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// Remove trailing slash if present
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if (substr($phpCAS_config['Base URL'], -1)=='/')
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$phpCAS_config['Base URL'] = substr($phpCAS_config['Base URL'], 0, -1);
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$login_url = "$base_url/login";
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$service_validate_url = "$base_url/serviceValidate";
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$logout_url = "$base_url/logout";
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$phpCAS_config['Login URL'] = $phpCAS_config['Base URL']."/login?service=".urlencode($service_url);
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$phpCAS_config['Logout URL'] = $phpCAS_config['Base URL']."/logout";
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$phpCAS_config['Service validate URL'] = $phpCAS_config['Base URL']."/serviceValidate";
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phpCAS::setServerLoginURL($phpCAS_config['Login URL']);
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phpCAS::setServerLogoutURL($phpCAS_config['Logout URL']);
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phpCAS::setServerServiceValidateURL($phpCAS_config['Service validate URL']);
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// Be sure SSL validation is disabled
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$cas_servers[$cas_host]['ssl_validation'] = false;
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}
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else
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$phpCAS_config['Insecure'] = 'No';
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echo "<div class='success'>Client successfully initialized</div>";
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if ($cas_servers[$cas_host]['ssl_validation']===true) {
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if (is_readable($cas_servers[$cas_host]['ssl_cacert_path'])) {
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$phpCAS_config['SSL Validation']='Enabled';
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$phpCAS_config['SSL CA Cert Validation File']=$cas_servers[$cas_host]['ssl_cacert_path'];
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$phpCAS_config['SSL CN Validation']=($cas_servers[$cas_host]['ssl_cn_validation']?'Enabled':'Disabled');
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phpCAS::setCasServerCACert($cas_servers[$cas_host]['ssl_cacert_path'],$cas_servers[$cas_host]['ssl_cn_validation']);
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}
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else {
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$warnings[]='SSL validation enable for this server but CA Cert file configured does not exists or is not readable';
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$phpCAS_config['SSL Validation']='Disabled';
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phpCAS::setNoCasServerValidation();
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}
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}
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else {
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$phpCAS_config['SSL Validation']='Disabled';
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phpCAS::setNoCasServerValidation();
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}
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phpCAS::setCacheTimesForAuthRecheck(0);
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show_cas_client_config();
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show_warnings();
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?>
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<h2>Action</h2>
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<h3>State before running action</h3>
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<?php
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if (phpCAS::isAuthenticated()) {
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echo "Authenticated";
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}
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else {
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echo "Not authenticated";
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}
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?>
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<h3>Running action...</h3>
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<?php
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if (isset($_REQUEST['do'])) {
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switch($_REQUEST['do']) {
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case 'login':
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phpCAS::forceAuthentication();
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echo "<div class='success'>Successfully authenticated</div>";
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break;
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case 'caslogout':
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phpCAS::forceAuthentication();
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phpCAS::logout();
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break;
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case 'locallogout':
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unset($_SESSION['session_url']);
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unset($_SESSION['phpCAS']);
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if (!isset($_SESSION['phpCAS'])) {
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echo "<div class='success'>Successfully logout</div>";
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}
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else {
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echo "<div class='error'>Failed to unset phpCAS session informations</div>";
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}
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break;
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default:
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echo "<div class='error'>Incorrect parameters</div>";
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}
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}
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else {
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echo "Nothing to do";
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}
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if (phpCAS::isAuthenticated()) {
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echo "<h2>Authenticated user informations</h2>";
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show_user_infos();
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}
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// End of catch
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}
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catch (CAS_GracefullTerminationException $e) {
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echo "<div class='error'>PhpCAS return exception</div>";
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show_cas_client_config();
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show_warnings();
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}
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show_cas_log();
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?>
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</body>
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</html>
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