test/test_youtube_signature.py

   1 #!/usr/bin/env python3
   2
   3 # Allow direct execution
   4 import os
   5 import sys
   6 import unittest
   7
   8 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   9
  10
  11 import contextlib
  12 import re
  13 import string
  14 import urllib.request
  15
  16 from test.helper import FakeYDL, is_download_test
  17 from yt_dlp.extractor import YoutubeIE
  18 from yt_dlp.jsinterp import JSInterpreter
  19
  20 _SIG_TESTS = [
  21     (
  22         'https://s.ytimg.com/yts/jsbin/html5player-vflHOr_nV.js',
  23         86,
  24         '>=<;:/.-[+*)(\'&%$#"!ZYX0VUTSRQPONMLKJIHGFEDCBA\\yxwvutsrqponmlkjihgfedcba987654321',
  25     ),
  26     (
  27         'https://s.ytimg.com/yts/jsbin/html5player-vfldJ8xgI.js',
  28         85,
  29         '3456789a0cdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRS[UVWXYZ!"#$%&\'()*+,-./:;<=>?@',
  30     ),
  31     (
  32         'https://s.ytimg.com/yts/jsbin/html5player-vfle-mVwz.js',
  33         90,
  34         ']\\[@?>=<;:/.-,+*)(\'&%$#"hZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkjiagfedcb39876',
  35     ),
  36     (
  37         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vfl0Cbn9e.js',
  38         84,
  39         'O1I3456789abcde0ghijklmnopqrstuvwxyzABCDEFGHfJKLMN2PQRSTUVW@YZ!"#$%&\'()*+,-./:;<=',
  40     ),
  41     (
  42         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js',
  43         '2ACFC7A61CA478CD21425E5A57EBD73DDC78E22A.2094302436B2D377D14A3BBA23022D023B8BC25AA',
  44         'A52CB8B320D22032ABB3A41D773D2B6342034902.A22E87CDD37DBE75A5E52412DC874AC16A7CFCA2',
  45     ),
  46     (
  47         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflBb0OQx.js',
  48         84,
  49         '123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQ0STUVWXYZ!"#$%&\'()*+,@./:;<=>'
  50     ),
  51     (
  52         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vfl9FYC6l.js',
  53         83,
  54         '123456789abcdefghijklmnopqr0tuvwxyzABCDETGHIJKLMNOPQRS>UVWXYZ!"#$%&\'()*+,-./:;<=F'
  55     ),
  56     (
  57         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflCGk6yw/html5player.js',
  58         '4646B5181C6C3020DF1D9C7FCFEA.AD80ABF70C39BD369CCCAE780AFBB98FA6B6CB42766249D9488C288',
  59         '82C8849D94266724DC6B6AF89BBFA087EACCD963.B93C07FBA084ACAEFCF7C9D1FD0203C6C1815B6B'
  60     ),
  61     (
  62         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js',
  63         '312AA52209E3623129A412D56A40F11CB0AF14AE.3EE09501CB14E3BCDC3B2AE808BF3F1D14E7FBF12',
  64         '112AA5220913623229A412D56A40F11CB0AF14AE.3EE0950FCB14EEBCDC3B2AE808BF331D14E7FBF3',
  65     )
  66 ]
  67
  68 _NSIG_TESTS = [
  69     (
  70         'https://www.youtube.com/s/player/9216d1f7/player_ias.vflset/en_US/base.js',
  71         'SLp9F5bwjAdhE9F-', 'gWnb9IK2DJ8Q1w',
  72     ),
  73     (
  74         'https://www.youtube.com/s/player/f8cb7a3b/player_ias.vflset/en_US/base.js',
  75         'oBo2h5euWy6osrUt', 'ivXHpm7qJjJN',
  76     ),
  77     (
  78         'https://www.youtube.com/s/player/2dfe380c/player_ias.vflset/en_US/base.js',
  79         'oBo2h5euWy6osrUt', '3DIBbn3qdQ',
  80     ),
  81     (
  82         'https://www.youtube.com/s/player/f1ca6900/player_ias.vflset/en_US/base.js',
  83         'cu3wyu6LQn2hse', 'jvxetvmlI9AN9Q',
  84     ),
  85     (
  86         'https://www.youtube.com/s/player/8040e515/player_ias.vflset/en_US/base.js',
  87         'wvOFaY-yjgDuIEg5', 'HkfBFDHmgw4rsw',
  88     ),
  89     (
  90         'https://www.youtube.com/s/player/e06dea74/player_ias.vflset/en_US/base.js',
  91         'AiuodmaDDYw8d3y4bf', 'ankd8eza2T6Qmw',
  92     ),
  93     (
  94         'https://www.youtube.com/s/player/5dd88d1d/player-plasma-ias-phone-en_US.vflset/base.js',
  95         'kSxKFLeqzv_ZyHSAt', 'n8gS8oRlHOxPFA',
  96     ),
  97     (
  98         'https://www.youtube.com/s/player/324f67b9/player_ias.vflset/en_US/base.js',
  99         'xdftNy7dh9QGnhW', '22qLGxrmX8F1rA',
 100     ),
 101     (
 102         'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js',
 103         'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw',
 104     ),
 105     (
 106         'https://www.youtube.com/s/player/c81bbb4a/player_ias.vflset/en_US/base.js',
 107         'gre3EcLurNY2vqp94', 'Z9DfGxWP115WTg',
 108     ),
 109     (
 110         'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
 111         'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
 112     ),
 113 ]
 114
 115
 116 @is_download_test
 117 class TestPlayerInfo(unittest.TestCase):
 118     def test_youtube_extract_player_info(self):
 119         PLAYER_URLS = (
 120             ('https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js', '4c3f79c5'),
 121             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/en_US/base.js', '64dddad9'),
 122             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/fr_FR/base.js', '64dddad9'),
 123             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'),
 124             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'),
 125             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'),
 126             # obsolete
 127             ('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'),
 128             ('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'),
 129             ('https://www.youtube.com/yts/jsbin/player_ias-vflCPQUIL/en_US/base.js', 'vflCPQUIL'),
 130             ('https://www.youtube.com/yts/jsbin/player-vflzQZbt7/en_US/base.js', 'vflzQZbt7'),
 131             ('https://www.youtube.com/yts/jsbin/player-en_US-vflaxXRn1/base.js', 'vflaxXRn1'),
 132             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'),
 133             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'),
 134         )
 135         for player_url, expected_player_id in PLAYER_URLS:
 136             player_id = YoutubeIE._extract_player_info(player_url)
 137             self.assertEqual(player_id, expected_player_id)
 138
 139
 140 @is_download_test
 141 class TestSignature(unittest.TestCase):
 142     def setUp(self):
 143         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 144         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata/sigs')
 145         if not os.path.exists(self.TESTDATA_DIR):
 146             os.mkdir(self.TESTDATA_DIR)
 147
 148     def tearDown(self):
 149         with contextlib.suppress(OSError):
 150             for f in os.listdir(self.TESTDATA_DIR):
 151                 os.remove(f)
 152
 153
 154 def t_factory(name, sig_func, url_pattern):
 155     def make_tfunc(url, sig_input, expected_sig):
 156         m = url_pattern.match(url)
 157         assert m, '%r should follow URL format' % url
 158         test_id = m.group('id')
 159
 160         def test_func(self):
 161             basename = f'player-{name}-{test_id}.js'
 162             fn = os.path.join(self.TESTDATA_DIR, basename)
 163
 164             if not os.path.exists(fn):
 165                 urllib.request.urlretrieve(url, fn)
 166             with open(fn, encoding='utf-8') as testf:
 167                 jscode = testf.read()
 168             self.assertEqual(sig_func(jscode, sig_input), expected_sig)
 169
 170         test_func.__name__ = f'test_{name}_js_{test_id}'
 171         setattr(TestSignature, test_func.__name__, test_func)
 172     return make_tfunc
 173
 174
 175 def signature(jscode, sig_input):
 176     func = YoutubeIE(FakeYDL())._parse_sig_js(jscode)
 177     src_sig = (
 178         str(string.printable[:sig_input])
 179         if isinstance(sig_input, int) else sig_input)
 180     return func(src_sig)
 181
 182
 183 def n_sig(jscode, sig_input):
 184     funcname = YoutubeIE(FakeYDL())._extract_n_function_name(jscode)
 185     return JSInterpreter(jscode).call_function(funcname, sig_input)
 186
 187
 188 make_sig_test = t_factory(
 189     'signature', signature, re.compile(r'.*-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player)?\.[a-z]+$'))
 190 for test_spec in _SIG_TESTS:
 191     make_sig_test(*test_spec)
 192
 193 make_nsig_test = t_factory(
 194     'nsig', n_sig, re.compile(r'.+/player/(?P<id>[a-zA-Z0-9_-]+)/.+.js$'))
 195 for test_spec in _NSIG_TESTS:
 196     make_nsig_test(*test_spec)
 197
 198
 199 if __name__ == '__main__':
 200     unittest.main()