From 049a0f4d6da55f4062658da7593363147c92f4a8 Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Sat, 18 Feb 2017 21:07:09 +0100
Subject: [PATCH] [brightcove:legacy] restrict videoPlayer value(closes #12040)

---
 youtube_dl/extractor/brightcove.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/youtube_dl/extractor/brightcove.py b/youtube_dl/extractor/brightcove.py
index 5c6e99da13..27685eed01 100644
--- a/youtube_dl/extractor/brightcove.py
+++ b/youtube_dl/extractor/brightcove.py
@@ -191,6 +191,10 @@ class BrightcoveLegacyIE(InfoExtractor):
         # These fields hold the id of the video
         videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID') or find_param('@videoList')
         if videoPlayer is not None:
+            if isinstance(videoPlayer, list):
+                videoPlayer = videoPlayer[0]
+            if not (videoPlayer.isdigit() or videoPlayer.startswith('ref:')):
+                return None
             params['@videoPlayer'] = videoPlayer
         linkBase = find_param('linkBaseURL')
         if linkBase is not None: