lib: Add Auth::getRequest()

Basic auth will require the request.

refs #9660

library/Icinga/Authentication/Auth.php

@@ -5,6 +5,7 @@ namespace Icinga\Authentication;
 
 use Exception;
 use Icinga\Application\Config;
+use Icinga\Application\Icinga;
 use Icinga\Application\Logger;
 use Icinga\Authentication\UserGroup\UserGroupBackend;
 use Icinga\Data\ConfigObject;
@@ -24,6 +25,13 @@ class Auth
      */
     private static $instance;
 
+    /**
+     * Request
+     *
+     * @var \Icinga\Web\Request
+     */
+    protected $request;
+
     /**
      * Authenticated user
      *
@@ -159,6 +167,19 @@ class Auth
         return $this->user->getGroups();
     }
 
+    /**
+     * Get the request
+     *
+     * @return \Icinga\Web\Request
+     */
+    public function getRequest()
+    {
+        if ($this->request === null) {
+            $this->request = Icinga::app()->getFrontController()->getRequest();
+        }
+        return $this->request;
+    }
+
     /**
      * Get applied restrictions matching a given restriction name
      *