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[jsinterp] Handle new YT players 113ca41c, c57c113c

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* add NaN
* allow any white-space character for `after_op`
* align with yt-dlp f26af78a8ac11d9d617ed31ea5282cfaa5bcbcfa (charcodeAt and bitwise overflow)
* allow escaping in regex, fixing player c57c113c
This commit is contained in:
dirkf 2022-08-31 23:22:48 +01:00
commit 55c823634d
3 changed files with 65 additions and 18 deletions
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21
test/test_jsinterp.py
View file

@ -135,6 +135,11 @@ class TestJSInterpreter(unittest.TestCase):
self.assertEqual(jsi.call_function('x'), [20, 20, 30, 40, 50])
def test_builtins(self):
jsi = JSInterpreter('''
function x() { return NaN }
''')
self.assertTrue(math.isnan(jsi.call_function('x')))
jsi = JSInterpreter('''
function x() { return new Date('Wednesday 31 December 1969 18:01:26 MDT') - 0; }
''')
@ -385,6 +390,22 @@ class TestJSInterpreter(unittest.TestCase):
''')
self.assertEqual(jsi.call_function('x').flags & ~re.U, re.I)
def test_char_code_at(self):
jsi = JSInterpreter('function x(i){return "test".charCodeAt(i)}')
self.assertEqual(jsi.call_function('x', 0), 116)
self.assertEqual(jsi.call_function('x', 1), 101)
self.assertEqual(jsi.call_function('x', 2), 115)
self.assertEqual(jsi.call_function('x', 3), 116)
self.assertEqual(jsi.call_function('x', 4), None)
self.assertEqual(jsi.call_function('x', 'not_a_number'), 116)
def test_bitwise_operators_overflow(self):
jsi = JSInterpreter('function x(){return -524999584 << 5}')
self.assertEqual(jsi.call_function('x'), 379882496)
jsi = JSInterpreter('function x(){return 1236566549 << 5}')
self.assertEqual(jsi.call_function('x'), 915423904)
if __name__ == '__main__':
unittest.main()

16
test/test_youtube_signature.py
View file

@ -111,10 +111,26 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
),
(
'https://www.youtube.com/s/player/009f1d77/player_ias.vflset/en_US/base.js',
'5dwFHw8aFWQUQtffRq', 'audescmLUzI3jw',
),
(
'https://www.youtube.com/s/player/dc0c6770/player_ias.vflset/en_US/base.js',
'5EHDMgYLV6HPGk_Mu-kk', 'n9lUJLHbxUI0GQ',
),
(
'https://www.youtube.com/s/player/c2199353/player_ias.vflset/en_US/base.js',
'5EHDMgYLV6HPGk_Mu-kk', 'AD5rgS85EkrE7',
),
(
'https://www.youtube.com/s/player/113ca41c/player_ias.vflset/en_US/base.js',
'cgYl-tlYkhjT7A', 'hI7BBr2zUgcmMg',
),
(
'https://www.youtube.com/s/player/c57c113c/player_ias.vflset/en_US/base.js',
'-Txvy6bT5R6LqgnQNx', 'dcklJCnRUHbgSg',
),
]