1 files changed, 52 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/url.php b/srcs/phpmyadmin/url.php
new file mode 100644
index 0000000..4c9e0f0
--- /dev/null
+++ b/srcs/phpmyadmin/url.php
@@ -0,0 +1,52 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * URL redirector to avoid leaking Referer with some sensitive information.
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+use PhpMyAdmin\Core;
+use PhpMyAdmin\Response;
+use PhpMyAdmin\Sanitize;
+use PhpMyAdmin\DatabaseInterface;
+
+if (! defined('ROOT_PATH')) {
+    define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
+}
+
+/**
+ * Gets core libraries and defines some variables
+ */
+define('PMA_MINIMUM_COMMON', true);
+require_once ROOT_PATH . 'libraries/common.inc.php';
+
+// Load database service because services.yaml is not available here
+$containerBuilder->set(DatabaseInterface::class, DatabaseInterface::load());
+
+// Only output the http headers
+$response = Response::getInstance();
+$response->getHeader()->sendHttpHeaders();
+$response->disable();
+
+if (! Core::isValid($_GET['url'])
+    || ! preg_match('/^https:\/\/[^\n\r]*$/', $_GET['url'])
+    || ! Core::isAllowedDomain($_GET['url'])
+) {
+    Core::sendHeaderLocation('./');
+} else {
+    // JavaScript redirection is necessary. Because if header() is used
+    //  then web browser sometimes does not change the HTTP_REFERER
+    //  field and so with old URL as Referer, token also goes to
+    //  external site.
+    echo "<script type='text/javascript'>
+            window.onload=function(){
+                window.location='" , Sanitize::escapeJsString($_GET['url']) , "';
+            }
+        </script>";
+    // Display redirecting msg on screen.
+    // Do not display the value of $_GET['url'] to avoid showing injected content
+    echo __('Taking you to the target site.');
+}
+die();