key will be included into opensearch.xml

app/Http/Controllers/KeyController.php

@@ -29,7 +29,7 @@ class KeyController extends Controller
                 $host = $request->header("Host", "");
             }
 
-            Cookie::queue('key', $key, 525600, '/meta/', null, false, false);
+            Cookie::queue('key', $key, 525600, '/', null, false, false);
             return redirect($redirUrl);
         } else {
             return view('key')
@@ -41,7 +41,7 @@ class KeyController extends Controller
     public function removeKey(Request $request)
     {
         $redirUrl = $request->input('redirUrl', "");
-        Cookie::queue('key', '', 0, '/meta/', null, false, false);
+        Cookie::queue('key', '', 0, '/', null, false, false);
         $url = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), action('KeyController@index', ['redirUrl' => $redirUrl]));
         return redirect($url);
     }
@@ -68,7 +68,6 @@ class KeyController extends Controller
             } else {
                 return false;
             }
-
         } catch (\ErrorException $e) {
             return false;
         }

app/Http/Controllers/StartpageController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App;
+use Cookie;
 use Illuminate\Http\Request;
 use Jenssegers\Agent\Agent;
 use LaravelLocalization;
@@ -76,13 +77,15 @@ class StartpageController extends Controller
         return loadPage($subpage);
     }
 
-    public function loadPlugin($locale = "de")
+    public function loadPlugin(Request $request, $locale = "de")
     {
         $link = action('MetaGerSearch@search', []);
+        $key = Cookie::get('key');
 
         $response = Response::make(
             view('plugin')
                 ->with('link', $link)
+                ->with('key', $key)
             , "200");
         $response->header('Content-Type', "application/opensearchdescription+xml");
         return $response;

resources/views/plugin.blade.php

@@ -4,6 +4,6 @@
         <Description>{{ trans('plugin.description') }}</Description>
         <Contact>office@suma-ev.de</Contact>
         <Image width="16" height="16" type="image/x-icon">{{ url('/favicon.ico') }}</Image>
-        <Url type="text/html" template="{{ $link }}?eingabe={searchTerms}" method="GET" />
+        <Url type="text/html" template="{{ $link }}?{{ empty($key) ? "" : "key=" . urlencode($key) . "&amp;" }}eingabe={searchTerms}" method="GET" />
         <InputEncoding>UTF-8</InputEncoding>
 </OpenSearchDescription>