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[youtube] decrypt signature when downloading dash manifest
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@ -1366,12 +1366,26 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
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# Look for the DASH manifest
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dash_manifest_url_lst = video_info.get('dashmpd')
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if (dash_manifest_url_lst and dash_manifest_url_lst[0] and
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self._downloader.params.get('youtube_include_dash_manifest', False)):
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if (self._downloader.params.get('youtube_include_dash_manifest', False)):
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try:
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# The DASH manifest used needs to be the one from the original video_webpage.
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# The one found in get_video_info seems to be using different signatures.
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# However, in the case of an age restriction there won't be any embedded dashmpd in the video_webpage.
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# Luckily, it seems, this case uses some kind of default signature (len == 86), so the
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# combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here.
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if age_gate:
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dash_manifest_url = video_info.get('dashmpd')[0];
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else:
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x = re.search(r'ytplayer\.config = ({.*});', video_webpage)
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x = json.loads(x.group(1));
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dash_manifest_url = x['args']['dashmpd']
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def decrypt_sig(mobj):
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s = mobj.group(1)
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dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
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return '/signature/%s' % dec_s
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dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
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dash_doc = self._download_xml(
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dash_manifest_url_lst[0], video_id,
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dash_manifest_url, video_id,
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note=u'Downloading DASH manifest',
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errnote=u'Could not download DASH manifest')
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for r in dash_doc.findall(u'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
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