Check if output value is valid

nickdekruijk · Oct 4, 2018 · b6d5b49 · b6d5b49
1 parent 2438805
commit b6d5b49
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/ResizeController.php b/src/ResizeController.php
@@ -145,7 +145,11 @@ private function resize($template, $original, $target)
 
         # Change type to force output format if used in template
         if (isset($template['output'])) {
-            $type = 'image/' . $template['output'];
+            if (in_array($template['output'], ['jpg', 'jpeg', 'png', 'gif'])) {
+                $type = 'image/' . $template['output'];
+            } else {
+                self::error('Invalid output ' . $template['output']);
+            }
         }
 
         # Save the resized image in a variable