feat(handler): return file content by key

Author: Fabiano Roberto

Handler/MediaHandler.php

@@ -537,6 +537,19 @@ public function getFullUrl(string $fullKey)
         return $toReturn;
     }
 
+    /**
+     * @param string $fullKey
+     *
+     * @return bool|false|string
+     */
+    public function getFileContent(string $fullKey)
+    {
+        /* @var AwsS3Adapter|LocalAdapter $adapter */
+        $adapter = $this->filesystem->getAdapter();
+
+        return $adapter->read($fullKey);
+    }
+
     /**
      * @param string $key
      *