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5 Commits

Author SHA1 Message Date
joshwd36
c35df6765c
Merge 8a0905798e into c5098961b0 2024-08-21 22:32:46 -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
joshwd36
8a0905798e Add MacProVideo extractor 2022-06-02 17:33:02 +01:00
7 changed files with 176 additions and 13 deletions

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@ -482,6 +482,7 @@
- **lynda**: lynda.com videos
- **lynda:course**: lynda.com online courses
- **m6**
- **MacProVideo.com**
- **mailru**: Видео@Mail.Ru
- **mailru:music**: Музыка@Mail.Ru
- **mailru:music:search**: Музыка@Mail.Ru

View File

@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
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__':
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',
'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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@ -652,6 +652,10 @@ from .lynda import (
LyndaCourseIE
)
from .m6 import M6IE
from .macprovideo import (
MacProVideoIE,
MacProVideoCourseIE
)
from .mailru import (
MailRuIE,
MailRuMusicIE,

View File

@ -0,0 +1,86 @@
# coding: utf-8
from __future__ import unicode_literals
import re
from youtube_dl.utils import try_get, str_or_none
from .common import InfoExtractor
class MacProVideoBaseIE(InfoExtractor):
def _get_video_info(self, data):
meta = data.get('ned_programmanifest')
video_id = str_or_none(meta.get('fk_videoMediaID'))
formats = self._extract_m3u8_formats(
data['video_medium']['mediaURL'], video_id, 'mp4', m3u8_id='hls', fatal=False)
self._sort_formats(formats)
description = try_get(data, lambda x: x['ned_programmanifest_description']['description'])
thumbnail = try_get(data, lambda x: x['thumbnail_medium']['mediaURL'])
return {
'id': video_id,
'title': meta.get('vid_title'),
'description': description,
'thumbnail': thumbnail,
'duration': meta.get('vid_duration'),
'formats': formats
}
class MacProVideoIE(MacProVideoBaseIE):
_VALID_URL = r'https?://(?:www\.)?macprovideo\.com/video/(?P<course>[0-9a-zA-Z-]+)/(?P<num>[0-9]+)-[0-9a-zA-Z-]+'
_TEST = {
'url': 'https://www.macprovideo.com/video/apple-logic-pro-102-recording-and-editing-audio/1-1-transducers-and-converters',
'md5': 'md5:608d7c8cf9f31202cbd269273df62aaf',
'info_dict': {
'id': '319676',
'ext': 'mp4',
'title': '1. Transducers and Converters',
'thumbnail': r're:^https?://.*\.jpg$',
'description': 'md5:c16dc8a42252e2be44225f129c591c3d',
},
'params': {
# m3u8 download
'skip_download': True,
'format': 'bestvideo'
},
}
def _real_extract(self, url):
course, num = re.match(self._VALID_URL, url).groups()
num = int(num) - 1
data = self._download_json('https://www.macprovideo.com/ajax/videos/' + course,
None)['data']['videos'][num]
return self._get_video_info(data)
class MacProVideoCourseIE(MacProVideoBaseIE):
_VALID_URL = r'https?://(?:www\.)?macprovideo\.com/course/(?P<id>[0-9a-zA-Z-]+)'
_TEST = {
'url': 'https://www.macprovideo.com/course/apple-logic-pro-102-recording-and-editing-audio',
'md5': 'md5:608d7c8cf9f31202cbd269273df62aaf',
'info_dict': {
'id': '319676',
'ext': 'mp4',
'title': '1. Transducers and Converters',
'thumbnail': r're:^https?://.*\.jpg$',
'description': 'md5:c16dc8a42252e2be44225f129c591c3d',
},
'params': {
# m3u8 download
'skip_download': True,
'format': 'bestvideo'
},
}
def _real_extract(self, url):
course_id = self._match_id(url)
videos = self._download_json('https://www.macprovideo.com/ajax/videos/' + course_id, None)['data']['videos']
title = try_get(videos, lambda x: x[0]['tutorial']['tu_title'])
return self.playlist_result(
[self._get_video_info(data) for data in videos],
playlist_id=course_id, playlist_title=title)

View File

@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_name(self, jscode):
func_name, idx = self._search_regex(
# 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
# old: .get("n"))&&(b=nfunc[idx](b)
# older: .get("n"))&&(b=nfunc(b)
# or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
# or: (PL(a),b=a.j.n||null)&&(b=nfunc[idx](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)
(?:\(\s*(?P<b>[a-z])\s*=\s*(?:
\((?:[\w$()\s]+,)*?\s* # (
(?P<b>[a-z])\s*=\s* # b=
(?:
(?: # expect ,c=a.get(b) (etc)
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
"n+"\[\s*\+?s*[\w$.]+\s*]
)\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)?
\.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\s*
)\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'))
''', 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:
return func_name

View File

@ -925,9 +925,16 @@ class JSInterpreter(object):
obj.reverse()
return obj
elif member == 'slice':
assertion(isinstance(obj, list), 'must be applied on a list')
assertion(len(argvals) == 1, 'takes exactly one argument')
return obj[argvals[0]:]
assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
# From [1]:
# .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':
assertion(isinstance(obj, list), 'must be applied on a list')
assertion(argvals, 'takes one or more arguments')