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10 Commits

Author SHA1 Message Date
Niyazi Suleymanov
358aabf50b
Merge 3091daa834 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
dirkf
3091daa834
Update youtube_dl/extractor/newgrounds.py - remove f-string 2022-07-21 21:18:56 +01:00
Niyazi Suleymanov
c848538aff follow coding conventions 2022-07-17 01:51:53 +04:00
Niyazi Suleymanov
f6c4b9da47 fix #30575 2022-07-17 01:40:44 +04:00
Niyazi Suleymanov
45ae186416 change incorrect uploader 2022-07-17 01:20:01 +04:00
Niyazi Suleymanov
9036cf5132 add new test 2022-07-17 01:19:12 +04:00
Niyazi Suleymanov
41f5fd818b entry no longer exists 2022-07-16 22:52:19 +04:00
5 changed files with 134 additions and 55 deletions

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()

View File

@ -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',
),
]

View File

@ -5,7 +5,6 @@ import re
from .common import InfoExtractor
from ..utils import (
extract_attributes,
int_or_none,
parse_duration,
parse_filesize,
unified_timestamp,
@ -27,15 +26,15 @@ class NewgroundsIE(InfoExtractor):
'duration': 143,
},
}, {
'url': 'https://www.newgrounds.com/portal/view/673111',
'md5': '3394735822aab2478c31b1004fe5e5bc',
'url': 'https://www.newgrounds.com/portal/view/850292',
'md5': 'bb7cacf45e1b4d648e2dac2d79284d67',
'info_dict': {
'id': '673111',
'id': '850292',
'ext': 'mp4',
'title': 'Dancin',
'uploader': 'Squirrelman82',
'timestamp': 1460256780,
'upload_date': '20160410',
'title': 'Timeless (2021)',
'uploader': 'Kevuhn',
'timestamp': 1657896960,
'upload_date': '20220715',
},
}, {
# source format unavailable, additional mp4 formats
@ -44,7 +43,7 @@ class NewgroundsIE(InfoExtractor):
'id': '689400',
'ext': 'mp4',
'title': 'ZTV News Episode 8',
'uploader': 'BennettTheSage',
'uploader': 'ZONE-SAMA',
'timestamp': 1487965140,
'upload_date': '20170224',
},
@ -58,40 +57,46 @@ class NewgroundsIE(InfoExtractor):
webpage = self._download_webpage(url, media_id)
title = self._html_search_regex(
r'<title>([^>]+)</title>', webpage, 'title')
paths = url.split('/')
if paths[-3] == 'audio':
isAudio = True
else:
isAudio = False
if isAudio:
media_url = self._parse_json(self._search_regex(
r'"url"\s*:\s*("[^"]+"),', webpage, ''), media_id)
uploader = self._html_search_regex(
(r'(?s)<h4[^>]*>(.+?)</h4>.*?<em>\s*Author\s*</em>',
r'(?:Author|Writer)\s*<a[^>]+>([^<]+)'), webpage, 'uploader',
fatal=False)
formats = [{
'url': media_url,
'format_id': 'source',
'quality': 1,
}]
max_resolution = int_or_none(self._search_regex(
r'max_resolution["\']\s*:\s*(\d+)', webpage, 'max resolution',
default=None))
if max_resolution:
url_base = media_url.rpartition('.')[0]
for resolution in (360, 720, 1080):
if resolution > max_resolution:
break
else:
media_url = 'https://www.newgrounds.com/portal/video/' + media_id
media = self._download_json(media_url, media_id, headers={'X-Requested-With': 'XMLHttpRequest'})
uploader = media['author']
sources = media['sources']
formats = []
for source in sources:
for i in range(len(sources[source])):
formats.append({
'url': '%s.%dp.mp4' % (url_base, resolution),
'format_id': '%dp' % resolution,
'height': resolution,
'url': sources[source][i]['src'],
'format_id': source,
'height': int(source[:-2]) # 1080p -> 1080
})
self._check_formats(formats, media_id)
self._sort_formats(formats)
uploader = self._html_search_regex(
(r'(?s)<h4[^>]*>(.+?)</h4>.*?<em>\s*Author\s*</em>',
r'(?:Author|Writer)\s*<a[^>]+>([^<]+)'), webpage, 'uploader',
fatal=False)
title = self._html_search_regex(
r'<title>([^>]+)</title>', webpage, 'title')
timestamp = unified_timestamp(self._html_search_regex(
(r'<dt>\s*Uploaded\s*</dt>\s*<dd>([^<]+</dd>\s*<dd>[^<]+)',
r'<dt>\s*Uploaded\s*</dt>\s*<dd>([^<]+)'), webpage, 'timestamp',
@ -99,7 +104,6 @@ class NewgroundsIE(InfoExtractor):
duration = parse_duration(self._search_regex(
r'(?s)<dd>\s*Song\s*</dd>\s*<dd>.+?</dd>\s*<dd>([^<]+)', webpage,
'duration', default=None))
filesize_approx = parse_filesize(self._html_search_regex(
r'(?s)<dd>\s*Song\s*</dd>\s*<dd>(.+?)</dd>', webpage, 'filesize',
default=None))
@ -109,6 +113,9 @@ class NewgroundsIE(InfoExtractor):
if '<dd>Song' in webpage:
formats[0]['vcodec'] = 'none'
self._check_formats(formats, media_id)
self._sort_formats(formats)
return {
'id': media_id,
'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')