fix showing empty file when UploadFile::error !== UPLOAD_ERR_OK

app/Http/Controllers/SkinlibController.php

@@ -10,6 +10,7 @@ use Session;
 use App\Models\User;
 use App\Models\Texture;
 use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
 use App\Exceptions\PrettyPageException;
 use App\Services\Repositories\UserRepository;
 
@@ -138,7 +139,9 @@ class SkinlibController extends Controller
 
     public function handleUpload(Request $request)
     {
-        $this->checkUpload($request);
+        if (($response = $this->checkUpload($request)) instanceof JsonResponse) {
+            return $response;
+        }
 
         $t            = new Texture();
         $t->name      = $request->input('name');
@@ -250,6 +253,12 @@ class SkinlibController extends Controller
      */
     private function checkUpload(Request $request)
     {
+        if ($file = $request->files->get('file')) {
+            if ($file->getError() !== UPLOAD_ERR_OK) {
+                return json(Utils::convertUploadFileError($file->getError()), $file->getError());
+            }
+        }
+
         $this->validate($request, [
             'name'   => 'required|no_special_chars',
             'file'   => 'required|max:'.option('max_upload_file_size'),

app/Services/Utils.php

@@ -140,4 +140,20 @@ class Utils
         return $str;
     }
 
+    public static function convertUploadFileError($errno = 0)
+    {
+        $phpFileUploadErrors = [
+            0 => 'There is no error, the file uploaded with success',
+            1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
+            2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
+            3 => 'The uploaded file was only partially uploaded',
+            4 => 'No file was uploaded',
+            6 => 'Missing a temporary folder',
+            7 => 'Failed to write file to disk.',
+            8 => 'A PHP extension stopped the file upload.',
+        ];
+
+        return $phpFileUploadErrors[$errno];
+    }
+
 }