Disable HTTP caches on preview links (for 2.x)

See silverstripe/silverstripe-framework#8086 See silverstripe#88
open-sausages · Jul 20, 2018 · 5682390 · 5682390
1 parent 73abb79
commit 5682390
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Controllers/ShareDraftController.php b/src/Controllers/ShareDraftController.php
@@ -9,6 +9,7 @@
 use SilverStripe\CMS\Model\SiteTree;
 use SilverStripe\Control\Controller;
 use SilverStripe\Control\HTTPRequest;
+use SilverStripe\Control\Middleware\HTTPCacheControlMiddleware;
 use SilverStripe\Control\Session;
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\ORM\FieldType\DBHTMLText;
@@ -50,6 +51,9 @@ class ShareDraftController extends Controller
      */
     public function preview(HTTPRequest $request)
     {
+        // Ensure this URL doesn't get picked up by HTTP caches
+        HTTPCacheControlMiddleware::singleton()->disableCache();
+
         $key = $request->param('Key');
         $token = $request->param('Token');
         try {