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authorm0viefreak <m0viefreak.cm@googlemail.com>2014-02-20 18:19:03 +0100
committerm0viefreak <m0viefreak.cm@googlemail.com>2014-02-21 03:24:56 +0100
commitd68f0cdb238edc552a285135bc2684b6709f4f56 (patch)
tree804243333cfeea8a5a7848e95b3795cf95004f36 /youtube_dl/extractor/youtube.py
parenteae16eb67b4e0c7deea4a56cae19650aab809662 (diff)
[youtube] decrypt signature when downloading dash manifest
Diffstat (limited to 'youtube_dl/extractor/youtube.py')
-rw-r--r--youtube_dl/extractor/youtube.py22
1 files changed, 18 insertions, 4 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 02c5ede74..5b0d30ed1 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1366,12 +1366,26 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
# Look for the DASH manifest
- dash_manifest_url_lst = video_info.get('dashmpd')
- if (dash_manifest_url_lst and dash_manifest_url_lst[0] and
- self._downloader.params.get('youtube_include_dash_manifest', False)):
+ if (self._downloader.params.get('youtube_include_dash_manifest', False)):
try:
+ # The DASH manifest used needs to be the one from the original video_webpage.
+ # The one found in get_video_info seems to be using different signatures.
+ # However, in the case of an age restriction there won't be any embedded dashmpd in the video_webpage.
+ # Luckily, it seems, this case uses some kind of default signature (len == 86), so the
+ # combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here.
+ if age_gate:
+ dash_manifest_url = video_info.get('dashmpd')[0];
+ else:
+ x = re.search(r'ytplayer\.config = ({.*});', video_webpage)
+ x = json.loads(x.group(1));
+ dash_manifest_url = x['args']['dashmpd']
+ def decrypt_sig(mobj):
+ s = mobj.group(1)
+ dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
+ return '/signature/%s' % dec_s
+ dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
dash_doc = self._download_xml(
- dash_manifest_url_lst[0], video_id,
+ dash_manifest_url, video_id,
note=u'Downloading DASH manifest',
errnote=u'Could not download DASH manifest')
for r in dash_doc.findall(u'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):