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5 Commits

Author SHA1 Message Date
Aaron Tan
f09b09f4f5
Merge e1dc38319c into c5098961b0 2024-08-21 22:32:44 -04:00
dirkf
c5098961b0 [Youtube] Rework n function extraction pattern
Now also succeeds with player b12cc44b
2024-08-06 20:59:09 +01:00
dirkf
dbc08fba83 [jsinterp] Improve slice implementation for player b12cc44b
Partly taken from yt-dlp/yt-dlp#10664, thx seproDev
        Fixes #32896
2024-08-06 20:51:38 +01:00
Aiur Adept
71223bff39
[Youtube] Fix nsig extraction for player 20dfca59 (#32891)
* dirkf's patch for nsig extraction
* add generic search per  yt-dlp/yt-dlp/pull/10611 - thx bashonly

---------

Co-authored-by: dirkf <fieldhouse@gmx.net>
2024-08-01 19:18:34 +01:00
Aaron Tan
e1dc38319c [erocast] Update erocast
Build on code from PR #31631.
- Add playlist info extractor to download playlists
- Refactor code from suggestions by @dirkf
2023-08-16 16:24:46 +10:00
6 changed files with 188 additions and 13 deletions

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@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
self._test(jsi, [''], args=['', '-']) self._test(jsi, [''], args=['', '-'])
self._test(jsi, [], args=['', '']) self._test(jsi, [], args=['', ''])
def test_slice(self):
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice()}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(5)}', [5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(99)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-2)}', [7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-99)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 1)}', [0])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(3, 6)}', [3, 4, 5])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, -1)}', [1, 2, 3, 4, 5, 6, 7])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-1, 1)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-3, -1)}', [6, 7])
self._test('function f(){return "012345678".slice()}', '012345678')
self._test('function f(){return "012345678".slice(0)}', '012345678')
self._test('function f(){return "012345678".slice(5)}', '5678')
self._test('function f(){return "012345678".slice(99)}', '')
self._test('function f(){return "012345678".slice(-2)}', '78')
self._test('function f(){return "012345678".slice(-99)}', '012345678')
self._test('function f(){return "012345678".slice(0, 0)}', '')
self._test('function f(){return "012345678".slice(1, 0)}', '')
self._test('function f(){return "012345678".slice(0, 1)}', '0')
self._test('function f(){return "012345678".slice(3, 6)}', '345')
self._test('function f(){return "012345678".slice(1, -1)}', '1234567')
self._test('function f(){return "012345678".slice(-1, 1)}', '')
self._test('function f(){return "012345678".slice(-3, -1)}', '67')
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

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@ -174,6 +174,14 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js',
'7X-he4jjvMx7BCX', 'sViSydX8IHtdWA', '7X-he4jjvMx7BCX', 'sViSydX8IHtdWA',
), ),
(
'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
'-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
),
(
'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
),
] ]

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@ -0,0 +1,99 @@
# coding: utf-8
from __future__ import unicode_literals
from .common import InfoExtractor
from ..utils import traverse_obj
import re
class ErocastIE(InfoExtractor):
IE_NAME = 'erocast'
_VALID_URL = r'https?://(?:www\.)?erocast\.me/track/(?P<id>[0-9]+)/(?P<display_id>[0-9a-zA-Z_-]+)'
_TESTS = [{
'url': 'https://erocast.me/track/6508/piano-sample-by-ytdl',
'md5': '6764726b2d19161e93c9cf3a9a69800a',
'info_dict': {
'id': '6508',
'ext': 'mp4',
'title': 'Piano sample by ytdl',
'uploader': 'ytdl',
}
}, {
'url': 'https://erocast.me/track/4254/intimate-morning-with-your-wife',
'md5': '45b06c21cf93612dd72a3d764c0bb362',
'info_dict': {
'id': '4254',
'ext': 'mp4',
'title': 'Intimate morning with your wife',
'uploader': 'ZLOY_ASMR',
}
}, {
'url': 'https://erocast.me/playlist/2278/rough-hot-and-dirty',
'only_matching': True
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
# The Song data is in a script tag with the following format:
# (see https://github.com/ytdl-org/youtube-dl/issues/31203#issuecomment-1259867716)
searchPattern = r'<script\b[^>]*>var\s+song_data_%s\s*=\s*(.+?)</script>' % re.escape(video_id)
jsonString = self._html_search_regex(searchPattern, webpage, 'song_data')
# The data is in JSON format, so we convert the JSON String to a python object
# and read the data from this json object
jsonObject = self._parse_json(jsonString, None, fatal=False)
audio_url = jsonObject['stream_url']
title = jsonObject['title']
user_name = traverse_obj(jsonObject, ('user', 'name'), expected_type=lambda x: x.strip() or None)
# The audio url is a m3u8 playlist, so we extract the audio url from this playlist
formats = self._extract_m3u8_formats(
audio_url, video_id, 'mp4', 'm3u8_native',
m3u8_id='hls', fatal=False)
self._sort_formats(formats)
return {
'id': video_id,
'formats': formats,
'title': title,
'uploader': user_name,
}
class ErocastPlaylistIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?erocast\.me/playlist/(?P<playlist_id>[0-9]+)/(?P<playlist_title>[0-9a-zA-Z_-]+)'
_TESTS = [{
'url': 'https://erocast.me/playlist/2278/rough-hot-and-dirty',
'info_dict': {
'id': '2278',
'title': 'rough-hot-and-dirty',
},
'playlist_mincount': 3,
}, {
'url': 'https://erocast.me/playlist/1841/dilf',
'info_dict': {
'id': '1841',
'title': 'dilf',
},
'playlist_mincount': 7,
}]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
playlist_id = mobj.group('playlist_id')
title = mobj.group('playlist_title')
webpage = self._download_webpage(url, playlist_id)
# Get URL for each track in the playlist
entries = [self.url_result(
'https://erocast.me/track/' + mobj.group('song_id') + '/' + mobj.group('track_url'),
ie=ErocastIE.ie_key(), video_id=mobj.group('song_id'))
for mobj in re.finditer(
r'<script\b[^>]*>var\s+song_data_(?P<song_id>[0-9]+)\s*=\s*.+?\\/track\\/[0-9]+\\/(?P<track_url>.+)\"\,\"stream_url.+?</script>', webpage)]
return self.playlist_result(entries, playlist_id, title)

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@ -360,6 +360,10 @@ from .embedly import EmbedlyIE
from .engadget import EngadgetIE from .engadget import EngadgetIE
from .epidemicsound import EpidemicSoundIE from .epidemicsound import EpidemicSoundIE
from .eporner import EpornerIE from .eporner import EpornerIE
from .erocast import (
ErocastIE,
ErocastPlaylistIE,
)
from .eroprofile import EroProfileIE from .eroprofile import EroProfileIE
from .escapist import EscapistIE from .escapist import EscapistIE
from .espn import ( from .espn import (

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@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_name(self, jscode): def _extract_n_function_name(self, jscode):
func_name, idx = self._search_regex( func_name, idx = self._search_regex(
# new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c) # new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c)
# or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)s # or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
# old: .get("n"))&&(b=nfunc[idx](b) # or: (PL(a),b=a.j.n||null)&&(b=nfunc[idx](b)
# older: .get("n"))&&(b=nfunc(b) # or: (b="nn"[+a.D],vL(a),c=a.j[b]||null)&&(c=narray[idx](c),a.set(b,c),narray.length||nfunc("")
# old: (b=a.get("n"))&&(b=nfunc[idx](b)(?P<c>[a-z])\s*=\s*[a-z]\s*
# older: (b=a.get("n"))&&(b=nfunc(b)
r'''(?x) r'''(?x)
(?:\(\s*(?P<b>[a-z])\s*=\s*(?: \((?:[\w$()\s]+,)*?\s* # (
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)| (?P<b>[a-z])\s*=\s* # b=
"n+"\[\s*\+?s*[\w$.]+\s*] (?:
)\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)? (?: # expect ,c=a.get(b) (etc)
\.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\s* String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
(?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\) "n+"\[\s*\+?s*[\w$.]+\s*]
''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx')) )\s*(?:,[\w$()\s]+(?=,))*|
(?P<old>[\w$]+) # a (old[er])
)\s*
(?(old)
# b.get("n")
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\.\s*n|\[\s*"n"\s*]|\.\s*get\s*\(\s*"n"\s*\))
| # ,c=a.get(b)
,\s*(?P<c>[a-z])\s*=\s*[a-z]\s*
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\[\s*(?P=b)\s*]|\.\s*get\s*\(\s*(?P=b)\s*\))
)
# interstitial junk
\s*(?:\|\|\s*null\s*)?(?:\)\s*)?&&\s*(?:\(\s*)?
(?(c)(?P=c)|(?P=b))\s*=\s* # [c|b]=
# nfunc|nfunc[idx]
(?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\)
''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx'),
default=(None, None))
# thx bashonly: yt-dlp/yt-dlp/pull/10611
if not func_name:
self.report_warning('Falling back to generic n function search')
return self._search_regex(
r'''(?xs)
(?:(?<=[^\w$])|^) # instead of \b, which ignores $
(?P<name>(?!\d)[a-zA-Z\d_$]+)\s*=\s*function\((?!\d)[a-zA-Z\d_$]+\)
\s*\{(?:(?!};).)+?["']enhanced_except_
''', jscode, 'Initial JS player n function name', group='name')
if not idx: if not idx:
return func_name return func_name

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@ -925,9 +925,16 @@ class JSInterpreter(object):
obj.reverse() obj.reverse()
return obj return obj
elif member == 'slice': elif member == 'slice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
assertion(len(argvals) == 1, 'takes exactly one argument') # From [1]:
return obj[argvals[0]:] # .slice() - like [:]
# .slice(n) - like [n:] (not [slice(n)]
# .slice(m, n) - like [m:n] or [slice(m, n)]
# [1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
assertion(len(argvals) <= 2, 'takes between 0 and 2 arguments')
if len(argvals) < 2:
argvals += (None,)
return obj[slice(*argvals)]
elif member == 'splice': elif member == 'splice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, list), 'must be applied on a list')
assertion(argvals, 'takes one or more arguments') assertion(argvals, 'takes one or more arguments')