All PDF files will be downloaded

app/Http/Controllers/ProxyController.php

@@ -250,14 +250,16 @@ class ProxyController extends Controller
                     $body = $htmlDocument->getResult();
                     break;
                 case 'application/pdf':
-                    if (!isset($answer["headers"]["content-disposition"])) {
-                        $name = "document.pdf";
-                        $basename = basename($targetUrl);
-                        if (stripos($basename, ".pdf") !== false) {
-                            $name = $basename;
-                        }
-                        $answer["headers"]["content-disposition"] = "attachment; filename=$name";
-                    }
+                    // We will download all PDF Files
+                    // File Downloads aren't working anymore within an IFrame.
+                    // We will show the user a page to download the File
+                    $postData = \App\Http\Controllers\DownloadController::generateDownloadLinkParameters($targetUrl);
+                    return response(view("downloadrequired")->with([
+                        "url" => $postData["url"],
+                        "validuntil" => $postData["valid-until"],
+                        "password" => $postData["password"]
+                    ]), 413);
+                    break;
                     // no break
                 case 'image/png':
                 case 'image/jpeg':