Add no-cookie page and helper function.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2015 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Utilities.php

@@ -2199,6 +2199,29 @@ class SimpleSAML_Utilities {
 			var_export($idpmetadata['entityid'], TRUE) . '.');
 	}
 
+
+	/**
+	 * Check for session cookie, and show missing-cookie page if it is missing.
+	 *
+	 * @param string|NULL $retryURL  The URL the user should access to retry the operation.
+	 */
+	public static function checkCookie($retryURL = NULL) {
+		assert('is_string($retryURL) || is_null($retryURL)');
+
+		$session = SimpleSAML_Session::getInstance();
+		if ($session->hasSessionCookie()) {
+			return;
+		}
+
+		/* We didn't have a session cookie. Redirect to the no-cookie page. */
+
+		$url = SimpleSAML_Module::getModuleURL('core/no_cookie.php');
+		if ($retryURL !== NULL) {
+			$url = SimpleSAML_Utilities::addURLParameter($url, array('retryURL' => $retryURL));
+		}
+		SimpleSAML_Utilities::redirect($url);
+	}
+
 }
 
 ?>
\ No newline at end of file

modules/core/dictionaries/no_cookie.php

+<?php
+
+/*
+ * Not yet in translation portal.
+ */
+
+$lang = array(
+	'header' => array (
+		'no' => 'Mangler informasjonskapsel',
+		'en' => 'Missing cookie',
+	),
+	'description' => array (
+		'no' => 'Du ser ut til å ha deaktivert informasjonskapsler. Kontroller innstillingene i nettleseren din og prøv igjen.',
+		'en' => 'You appear to have disabled cookies in your browser. Please check the settings in your browser, and try again.',
+	),
+	'retry' => array (
+		'no' => 'Prøv igjen',
+		'en' => 'Retry',
+	),
+
+);
+
+
+?>
\ No newline at end of file

modules/core/templates/no_cookie.tpl.php

+<?php
+
+assert('array_key_exists("retryURL", $this->data)');
+$retryURL = $this->data['retryURL'];
+
+$header = htmlspecialchars($this->t('{core:no_cookie:header}'));
+$description = htmlspecialchars($this->t('{core:no_cookie:description}'));
+$retry = htmlspecialchars($this->t('{core:no_cookie:retry}'));
+
+$this->data['header'] = $header;
+$this->includeAtTemplateBase('includes/header.php');
+
+echo('<h2>' . $header . '</h2>');
+echo('<p>' . $description . '</p>');
+
+if ($retryURL !== NULL) {
+	echo('<ul>');
+	echo('<li><a href="' . htmlspecialchars($retryURL) . '" id="retry">' . $retry . '</a></li>');
+	echo('</ul>');
+}
+
+$this->includeAtTemplateBase('includes/footer.php');

modules/core/www/no_cookie.php

+<?php
+
+if (isset($_REQUEST['retryURL'])) {
+	$retryURL = (string)$_REQUEST['retryURL'];
+} else {
+	$retryURL = NULL;
+}
+
+$globalConfig = SimpleSAML_Configuration::getInstance();
+$t = new SimpleSAML_XHTML_Template($globalConfig, 'core:no_cookie.tpl.php');
+$t->data['retryURL'] = $retryURL;
+$t->show();