diff --git a/h5p-default-storage.class.php b/h5p-default-storage.class.php
index 27b250b..fbbe583 100644
--- a/h5p-default-storage.class.php
+++ b/h5p-default-storage.class.php
@@ -244,6 +244,16 @@ class H5PDefaultStorage implements \H5PFileStorage {
     }
   }
 
+  /**
+   * Read file content of given file and then return it.
+   *
+   * @param string $file_path
+   * @return string
+   */
+  public function getContent($file_path) {
+    return file_get_contents($this->path . $file_path);
+  }
+
   /**
    * Recursive function for copying directories.
    *
diff --git a/h5p-file-storage.interface.php b/h5p-file-storage.interface.php
index dfaa67a..b75625e 100644
--- a/h5p-file-storage.interface.php
+++ b/h5p-file-storage.interface.php
@@ -117,4 +117,12 @@ interface H5PFileStorage {
    *   The hash keys of removed files
    */
   public function deleteCachedAssets($keys);
+
+  /**
+   * Read file content of given file and then return it.
+   *
+   * @param string $file_path
+   * @return string contents
+   */
+  public function getContent($file_path);
 }