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         'https://www.youtube.com/s/player/6ed0d907/player_ias.vflset/en_US/base.js',
  68         '2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
  69         'AOq0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xx8j7v1pDL2QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0',
  70     ),
  71     (
  72         'https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js',
  73         '2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
  74         'MyOSJXtKI3m-uME_jv7-pT12gOFC02RFkGoqWpzE0Cs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
  75     ),
  76 ]
  77
  78 _NSIG_TESTS = [
  79     (
  80         'https://www.youtube.com/s/player/7862ca1f/player_ias.vflset/en_US/base.js',
  81         'X_LCxVDjAavgE5t', 'yxJ1dM6iz5ogUg',
  82     ),
  83     (
  84         'https://www.youtube.com/s/player/9216d1f7/player_ias.vflset/en_US/base.js',
  85         'SLp9F5bwjAdhE9F-', 'gWnb9IK2DJ8Q1w',
  86     ),
  87     (
  88         'https://www.youtube.com/s/player/f8cb7a3b/player_ias.vflset/en_US/base.js',
  89         'oBo2h5euWy6osrUt', 'ivXHpm7qJjJN',
  90     ),
  91     (
  92         'https://www.youtube.com/s/player/2dfe380c/player_ias.vflset/en_US/base.js',
  93         'oBo2h5euWy6osrUt', '3DIBbn3qdQ',
  94     ),
  95     (
  96         'https://www.youtube.com/s/player/f1ca6900/player_ias.vflset/en_US/base.js',
  97         'cu3wyu6LQn2hse', 'jvxetvmlI9AN9Q',
  98     ),
  99     (
 100         'https://www.youtube.com/s/player/8040e515/player_ias.vflset/en_US/base.js',
 101         'wvOFaY-yjgDuIEg5', 'HkfBFDHmgw4rsw',
 102     ),
 103     (
 104         'https://www.youtube.com/s/player/e06dea74/player_ias.vflset/en_US/base.js',
 105         'AiuodmaDDYw8d3y4bf', 'ankd8eza2T6Qmw',
 106     ),
 107     (
 108         'https://www.youtube.com/s/player/5dd88d1d/player-plasma-ias-phone-en_US.vflset/base.js',
 109         'kSxKFLeqzv_ZyHSAt', 'n8gS8oRlHOxPFA',
 110     ),
 111     (
 112         'https://www.youtube.com/s/player/324f67b9/player_ias.vflset/en_US/base.js',
 113         'xdftNy7dh9QGnhW', '22qLGxrmX8F1rA',
 114     ),
 115     (
 116         'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js',
 117         'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw',
 118     ),
 119     (
 120         'https://www.youtube.com/s/player/c81bbb4a/player_ias.vflset/en_US/base.js',
 121         'gre3EcLurNY2vqp94', 'Z9DfGxWP115WTg',
 122     ),
 123     (
 124         'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
 125         'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
 126     ),
 127     (
 128         'https://www.youtube.com/s/player/009f1d77/player_ias.vflset/en_US/base.js',
 129         '5dwFHw8aFWQUQtffRq', 'audescmLUzI3jw',
 130     ),
 131     (
 132         'https://www.youtube.com/s/player/dc0c6770/player_ias.vflset/en_US/base.js',
 133         '5EHDMgYLV6HPGk_Mu-kk', 'n9lUJLHbxUI0GQ',
 134     ),
 135     (
 136         'https://www.youtube.com/s/player/113ca41c/player_ias.vflset/en_US/base.js',
 137         'cgYl-tlYkhjT7A', 'hI7BBr2zUgcmMg',
 138     ),
 139     (
 140         'https://www.youtube.com/s/player/c57c113c/player_ias.vflset/en_US/base.js',
 141         'M92UUMHa8PdvPd3wyM', '3hPqLJsiNZx7yA',
 142     ),
 143     (
 144         'https://www.youtube.com/s/player/5a3b6271/player_ias.vflset/en_US/base.js',
 145         'B2j7f_UPT4rfje85Lu_e', 'm5DmNymaGQ5RdQ',
 146     ),
 147     (
 148         'https://www.youtube.com/s/player/7a062b77/player_ias.vflset/en_US/base.js',
 149         'NRcE3y3mVtm_cV-W', 'VbsCYUATvqlt5w',
 150     ),
 151     (
 152         'https://www.youtube.com/s/player/dac945fd/player_ias.vflset/en_US/base.js',
 153         'o8BkRxXhuYsBCWi6RplPdP', '3Lx32v_hmzTm6A',
 154     ),
 155     (
 156         'https://www.youtube.com/s/player/6f20102c/player_ias.vflset/en_US/base.js',
 157         'lE8DhoDmKqnmJJ', 'pJTTX6XyJP2BYw',
 158     ),
 159     (
 160         'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js',
 161         'aCi3iElgd2kq0bxVbQ', 'QX1y8jGb2IbZ0w',
 162     ),
 163     (
 164         'https://www.youtube.com/s/player/8c7583ff/player_ias.vflset/en_US/base.js',
 165         '1wWCVpRR96eAmMI87L', 'KSkWAVv1ZQxC3A',
 166     ),
 167     (
 168         'https://www.youtube.com/s/player/b7910ca8/player_ias.vflset/en_US/base.js',
 169         '_hXMCwMt9qE310D', 'LoZMgkkofRMCZQ',
 170     ),
 171     (
 172         'https://www.youtube.com/s/player/590f65a6/player_ias.vflset/en_US/base.js',
 173         '1tm7-g_A9zsI8_Lay_', 'xI4Vem4Put_rOg',
 174     ),
 175     (
 176         'https://www.youtube.com/s/player/b22ef6e7/player_ias.vflset/en_US/base.js',
 177         'b6HcntHGkvBLk_FRf', 'kNPW6A7FyP2l8A',
 178     ),
 179     (
 180         'https://www.youtube.com/s/player/3400486c/player_ias.vflset/en_US/base.js',
 181         'lL46g3XifCKUZn1Xfw', 'z767lhet6V2Skl',
 182     ),
 183     (
 184         'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
 185         '-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
 186     ),
 187     (
 188         'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
 189         'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
 190     ),
 191     (
 192         'https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js',
 193         'gK15nzVyaXE9RsMP3z', 'ZFFWFLPWx9DEgQ',
 194     ),
 195 ]
 196
 197
 198 @is_download_test
 199 class TestPlayerInfo(unittest.TestCase):
 200     def test_youtube_extract_player_info(self):
 201         PLAYER_URLS = (
 202             ('https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js', '4c3f79c5'),
 203             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/en_US/base.js', '64dddad9'),
 204             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/fr_FR/base.js', '64dddad9'),
 205             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'),
 206             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'),
 207             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'),
 208             # obsolete
 209             ('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'),
 210             ('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'),
 211             ('https://www.youtube.com/yts/jsbin/player_ias-vflCPQUIL/en_US/base.js', 'vflCPQUIL'),
 212             ('https://www.youtube.com/yts/jsbin/player-vflzQZbt7/en_US/base.js', 'vflzQZbt7'),
 213             ('https://www.youtube.com/yts/jsbin/player-en_US-vflaxXRn1/base.js', 'vflaxXRn1'),
 214             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'),
 215             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'),
 216         )
 217         for player_url, expected_player_id in PLAYER_URLS:
 218             player_id = YoutubeIE._extract_player_info(player_url)
 219             self.assertEqual(player_id, expected_player_id)
 220
 221
 222 @is_download_test
 223 class TestSignature(unittest.TestCase):
 224     def setUp(self):
 225         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 226         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata/sigs')
 227         if not os.path.exists(self.TESTDATA_DIR):
 228             os.mkdir(self.TESTDATA_DIR)
 229
 230     def tearDown(self):
 231         with contextlib.suppress(OSError):
 232             for f in os.listdir(self.TESTDATA_DIR):
 233                 os.remove(f)
 234
 235
 236 def t_factory(name, sig_func, url_pattern):
 237     def make_tfunc(url, sig_input, expected_sig):
 238         m = url_pattern.match(url)
 239         assert m, f'{url!r} should follow URL format'
 240         test_id = m.group('id')
 241
 242         def test_func(self):
 243             basename = f'player-{name}-{test_id}.js'
 244             fn = os.path.join(self.TESTDATA_DIR, basename)
 245
 246             if not os.path.exists(fn):
 247                 urllib.request.urlretrieve(url, fn)
 248             with open(fn, encoding='utf-8') as testf:
 249                 jscode = testf.read()
 250             self.assertEqual(sig_func(jscode, sig_input), expected_sig)
 251
 252         test_func.__name__ = f'test_{name}_js_{test_id}'
 253         setattr(TestSignature, test_func.__name__, test_func)
 254     return make_tfunc
 255
 256
 257 def signature(jscode, sig_input):
 258     func = YoutubeIE(FakeYDL())._parse_sig_js(jscode)
 259     src_sig = (
 260         str(string.printable[:sig_input])
 261         if isinstance(sig_input, int) else sig_input)
 262     return func(src_sig)
 263
 264
 265 def n_sig(jscode, sig_input):
 266     ie = YoutubeIE(FakeYDL())
 267     funcname = ie._extract_n_function_name(jscode)
 268     jsi = JSInterpreter(jscode)
 269     func = jsi.extract_function_from_code(*ie._fixup_n_function_code(*jsi.extract_function_code(funcname)))
 270     return func([sig_input])
 271
 272
 273 make_sig_test = t_factory(
 274     'signature', signature, re.compile(r'.*(?:-|/player/)(?P<id>[a-zA-Z0-9_-]+)(?:/.+\.js|(?:/watch_as3|/html5player)?\.[a-z]+)$'))
 275 for test_spec in _SIG_TESTS:
 276     make_sig_test(*test_spec)
 277
 278 make_nsig_test = t_factory(
 279     'nsig', n_sig, re.compile(r'.+/player/(?P<id>[a-zA-Z0-9_-]+)/.+.js$'))
 280 for test_spec in _NSIG_TESTS:
 281     make_nsig_test(*test_spec)
 282
 283
 284 if __name__ == '__main__':
 285     unittest.main()