[ie/youtube] Fix JS n function name extraction (#10390)

Fixes nsig decoding for player b22ef6e7

Closes #10391
Authored by: bashonly, seproDev

Co-authored-by: sepro <4618135+seproDev@users.noreply.github.com>
This commit is contained in:
bashonly 2024-07-08 17:04:48 -05:00 committed by GitHub
parent 6c056ea7ae
commit 297b0a3792
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 6 additions and 1 deletions

View file

@ -167,6 +167,10 @@
'https://www.youtube.com/s/player/590f65a6/player_ias.vflset/en_US/base.js',
'1tm7-g_A9zsI8_Lay_', 'xI4Vem4Put_rOg',
),
(
'https://www.youtube.com/s/player/b22ef6e7/player_ias.vflset/en_US/base.js',
'b6HcntHGkvBLk_FRf', 'kNPW6A7FyP2l8A',
),
]

View file

@ -3130,7 +3130,8 @@ def _decrypt_nsig(self, s, video_id, player_url):
def _extract_n_function_name(self, jscode):
funcname, idx = self._search_regex(
r'\.get\("n"\)\)&&\(b=(?P<nfunc>[a-zA-Z0-9$]+)(?:\[(?P<idx>\d+)\])?\([a-zA-Z0-9]\)',
r'''(?x)(?:\.get\("n"\)\)&&\(b=|b=String\.fromCharCode\(110\),c=a\.get\(b\)\)&&\(c=)
(?P<nfunc>[a-zA-Z0-9$]+)(?:\[(?P<idx>\d+)\])?\([a-zA-Z0-9]\)''',
jscode, 'Initial JS player n function name', group=('nfunc', 'idx'))
if not idx:
return funcname