[youporn] Restrict fallback download URL (refs #27822)

diff --git a/youtube_dl/extractor/youporn.py b/youtube_dl/extractor/youporn.py
index 4ca75454e86c8addac0f6e9435f89b352289ea05..534270bac3d461bfca5bf0035e6435829413811d 100644 (file)
--- a/youtube_dl/extractor/youporn.py
+++ b/youtube_dl/extractor/youporn.py
@@ -103,7 +103,7 @@ class YouPornIE(InfoExtractor):
                     links.append(video_url)
 
         # Fallback #1, this also contains extra low quality 180p format
-        for _, link in re.findall(r'<a[^>]+href=(["\'])(http.+?)\1[^>]+title=["\']Download [Vv]ideo', webpage):
+        for _, link in re.findall(r'<a[^>]+href=(["\'])(http(?:(?!\1).)+\.mp4(?:(?!\1).)*)\1[^>]+title=["\']Download [Vv]ideo', webpage):
             links.append(link)
 
         # Fallback #2 (unavailable as at 22.06.2017)