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[youtube] Simplify the decryption process for the manifest urls and add a test (closes #2422)

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This commit is contained in:
Jaime Marquínez Ferrándiz 2014-02-21 15:15:58 +01:00
parent acd2bcc384
commit 3489b7d26c
1 changed files with 21 additions and 6 deletions
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27
youtube_dl/extractor/youtube.py
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@ -297,6 +297,23 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
u"format": "141", u"format": "141",
}, },
}, },
# DASH manifest with encrypted signature
{
u'url': u'https://www.youtube.com/watch?v=IB3lcPjvWLA',
u'info_dict': {
u'id': u'IB3lcPjvWLA',
u'ext': u'm4a',
u'title': u'Afrojack - The Spark ft. Spree Wilson',
u'description': u'md5:3199ed45ee8836572865580804d7ac0f',
u'uploader': u'AfrojackVEVO',
u'uploader_id': u'AfrojackVEVO',
u'upload_date': u'20131011',
},
u"params": {
u'youtube_include_dash_manifest': True,
u'format': '141',
},
},
] ]
@ -1272,8 +1289,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage) mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
if not mobj: if not mobj:
raise ValueError('Could not find vevo ID') raise ValueError('Could not find vevo ID')
info = json.loads(mobj.group(1)) ytplayer_config = json.loads(mobj.group(1))
args = info['args'] args = ytplayer_config['args']
# Easy way to know if the 's' value is in url_encoded_fmt_stream_map # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
# this signatures are encrypted # this signatures are encrypted
if 'url_encoded_fmt_stream_map' not in args: if 'url_encoded_fmt_stream_map' not in args:
@ -1374,11 +1391,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
# Luckily, it seems, this case uses some kind of default signature (len == 86), so the # 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. # combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here.
if age_gate: if age_gate:
dash_manifest_url = video_info.get('dashmpd')[0]; dash_manifest_url = video_info.get('dashmpd')[0]
else: else:
x = re.search(r'ytplayer\.config = ({.*});', video_webpage) dash_manifest_url = ytplayer_config['args']['dashmpd']
x = json.loads(x.group(1));
dash_manifest_url = x['args']['dashmpd']
def decrypt_sig(mobj): def decrypt_sig(mobj):
s = mobj.group(1) s = mobj.group(1)
dec_s = self._decrypt_signature(s, video_id, player_url, age_gate) dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)