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[ie/youtube] Make signature and nsig extraction more robust (#12761)

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Authored by: bashonly, seproDev

Co-authored-by: sepro <sepro@sepr0.com>
This commit is contained in:
bashonly
2025-03-27 17:31:01 -05:00
committed by GitHub
parent a8b9ff3c2a
commit 48be862b32
2 changed files with 136 additions and 29 deletions
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78
test/test_youtube_signature.py
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@@ -88,11 +88,51 @@ _SIG_TESTS = [
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpz2ICs6EVdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
),
(
'https://www.youtube.com/s/player/363db69b/player_ias_tce.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpz2ICs6EVdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/player_ias.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'wAOAOq0QJ8ARAIgXmPlOPSBkkUs1bYFYlJCfe29xx8q7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/player_ias_tce.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'wAOAOq0QJ8ARAIgXmPlOPSBkkUs1bYFYlJCfe29xx8q7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0',
),
(
'https://www.youtube.com/s/player/20830619/player_ias.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'7AOq0QJ8wRAIgXmPlOPSBkkAs1bYFYlJCfe29xx8jOv1pDL0Q2bdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0qaw',
),
(
'https://www.youtube.com/s/player/20830619/player_ias_tce.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'7AOq0QJ8wRAIgXmPlOPSBkkAs1bYFYlJCfe29xx8jOv1pDL0Q2bdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0qaw',
),
(
'https://www.youtube.com/s/player/20830619/player-plasma-ias-phone-en_US.vflset/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'7AOq0QJ8wRAIgXmPlOPSBkkAs1bYFYlJCfe29xx8jOv1pDL0Q2bdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0qaw',
),
(
'https://www.youtube.com/s/player/20830619/player-plasma-ias-tablet-en_US.vflset/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'7AOq0QJ8wRAIgXmPlOPSBkkAs1bYFYlJCfe29xx8jOv1pDL0Q2bdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0qaw',
),
(
'https://www.youtube.com/s/player/8a8ac953/player_ias_tce.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'IAOAOq0QJ8wRAAgXmPlOPSBkkUs1bYFYlJCfe29xx8j7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_E2u-m37KtXJoOySqa0',
),
(
'https://www.youtube.com/s/player/8a8ac953/tv-player-es6.vflset/tv-player-es6.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'IAOAOq0QJ8wRAAgXmPlOPSBkkUs1bYFYlJCfe29xx8j7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_E2u-m37KtXJoOySqa0',
),
]
_NSIG_TESTS = [
@@ -252,6 +292,30 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/4fcd6e4a/player_ias.vflset/en_US/base.js',
'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/player_ias_tce.vflset/en_US/base.js',
'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
),
(
'https://www.youtube.com/s/player/20830619/tv-player-ias.vflset/tv-player-ias.js',
'ir9-V6cdbCiyKxhr', '9YE85kNjZiS4',
),
(
'https://www.youtube.com/s/player/20830619/player-plasma-ias-phone-en_US.vflset/base.js',
'ir9-V6cdbCiyKxhr', '9YE85kNjZiS4',
),
(
'https://www.youtube.com/s/player/20830619/player-plasma-ias-tablet-en_US.vflset/base.js',
'ir9-V6cdbCiyKxhr', '9YE85kNjZiS4',
),
(
'https://www.youtube.com/s/player/8a8ac953/player_ias_tce.vflset/en_US/base.js',
'MiBYeXx_vRREbiCCmh', 'RtZYMVvmkE0JE',
),
(
'https://www.youtube.com/s/player/8a8ac953/tv-player-es6.vflset/tv-player-es6.js',
'MiBYeXx_vRREbiCCmh', 'RtZYMVvmkE0JE',
),
]
@@ -302,33 +366,33 @@ def t_factory(name, sig_func, url_pattern):
test_id = re.sub(r'[/.-]', '_', m.group('id') or m.group('compat_id'))
def test_func(self):
basename = f'player-{name}-{test_id}.js'
basename = f'player-{test_id}.js'
fn = os.path.join(self.TESTDATA_DIR, basename)
if not os.path.exists(fn):
urllib.request.urlretrieve(url, fn)
with open(fn, encoding='utf-8') as testf:
jscode = testf.read()
self.assertEqual(sig_func(jscode, sig_input), expected_sig)
self.assertEqual(sig_func(jscode, sig_input, url), expected_sig)
test_func.__name__ = f'test_{name}_js_{test_id}'
setattr(TestSignature, test_func.__name__, test_func)
return make_tfunc
def signature(jscode, sig_input):
func = YoutubeIE(FakeYDL())._parse_sig_js(jscode)
def signature(jscode, sig_input, player_url):
func = YoutubeIE(FakeYDL())._parse_sig_js(jscode, player_url)
src_sig = (
str(string.printable[:sig_input])
if isinstance(sig_input, int) else sig_input)
return func(src_sig)
def n_sig(jscode, sig_input):
def n_sig(jscode, sig_input, player_url):
ie = YoutubeIE(FakeYDL())
funcname = ie._extract_n_function_name(jscode)
funcname = ie._extract_n_function_name(jscode, player_url=player_url)
jsi = JSInterpreter(jscode)
func = jsi.extract_function_from_code(*ie._fixup_n_function_code(*jsi.extract_function_code(funcname), jscode))
func = jsi.extract_function_from_code(*ie._fixup_n_function_code(*jsi.extract_function_code(funcname), jscode, player_url))
return func([sig_input])