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         'https://www.youtube.com/s/player/2f1832d2/player_ias.vflset/en_US/base.js',
  78         '2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
  79         '0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xxAj7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJ2OySqa0q',
  80     ),
  81 ]
  82
  83 _NSIG_TESTS = [
  84     (
  85         'https://www.youtube.com/s/player/7862ca1f/player_ias.vflset/en_US/base.js',
  86         'X_LCxVDjAavgE5t', 'yxJ1dM6iz5ogUg',
  87     ),
  88     (
  89         'https://www.youtube.com/s/player/9216d1f7/player_ias.vflset/en_US/base.js',
  90         'SLp9F5bwjAdhE9F-', 'gWnb9IK2DJ8Q1w',
  91     ),
  92     (
  93         'https://www.youtube.com/s/player/f8cb7a3b/player_ias.vflset/en_US/base.js',
  94         'oBo2h5euWy6osrUt', 'ivXHpm7qJjJN',
  95     ),
  96     (
  97         'https://www.youtube.com/s/player/2dfe380c/player_ias.vflset/en_US/base.js',
  98         'oBo2h5euWy6osrUt', '3DIBbn3qdQ',
  99     ),
 100     (
 101         'https://www.youtube.com/s/player/f1ca6900/player_ias.vflset/en_US/base.js',
 102         'cu3wyu6LQn2hse', 'jvxetvmlI9AN9Q',
 103     ),
 104     (
 105         'https://www.youtube.com/s/player/8040e515/player_ias.vflset/en_US/base.js',
 106         'wvOFaY-yjgDuIEg5', 'HkfBFDHmgw4rsw',
 107     ),
 108     (
 109         'https://www.youtube.com/s/player/e06dea74/player_ias.vflset/en_US/base.js',
 110         'AiuodmaDDYw8d3y4bf', 'ankd8eza2T6Qmw',
 111     ),
 112     (
 113         'https://www.youtube.com/s/player/5dd88d1d/player-plasma-ias-phone-en_US.vflset/base.js',
 114         'kSxKFLeqzv_ZyHSAt', 'n8gS8oRlHOxPFA',
 115     ),
 116     (
 117         'https://www.youtube.com/s/player/324f67b9/player_ias.vflset/en_US/base.js',
 118         'xdftNy7dh9QGnhW', '22qLGxrmX8F1rA',
 119     ),
 120     (
 121         'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js',
 122         'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw',
 123     ),
 124     (
 125         'https://www.youtube.com/s/player/c81bbb4a/player_ias.vflset/en_US/base.js',
 126         'gre3EcLurNY2vqp94', 'Z9DfGxWP115WTg',
 127     ),
 128     (
 129         'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
 130         'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
 131     ),
 132     (
 133         'https://www.youtube.com/s/player/009f1d77/player_ias.vflset/en_US/base.js',
 134         '5dwFHw8aFWQUQtffRq', 'audescmLUzI3jw',
 135     ),
 136     (
 137         'https://www.youtube.com/s/player/dc0c6770/player_ias.vflset/en_US/base.js',
 138         '5EHDMgYLV6HPGk_Mu-kk', 'n9lUJLHbxUI0GQ',
 139     ),
 140     (
 141         'https://www.youtube.com/s/player/113ca41c/player_ias.vflset/en_US/base.js',
 142         'cgYl-tlYkhjT7A', 'hI7BBr2zUgcmMg',
 143     ),
 144     (
 145         'https://www.youtube.com/s/player/c57c113c/player_ias.vflset/en_US/base.js',
 146         'M92UUMHa8PdvPd3wyM', '3hPqLJsiNZx7yA',
 147     ),
 148     (
 149         'https://www.youtube.com/s/player/5a3b6271/player_ias.vflset/en_US/base.js',
 150         'B2j7f_UPT4rfje85Lu_e', 'm5DmNymaGQ5RdQ',
 151     ),
 152     (
 153         'https://www.youtube.com/s/player/7a062b77/player_ias.vflset/en_US/base.js',
 154         'NRcE3y3mVtm_cV-W', 'VbsCYUATvqlt5w',
 155     ),
 156     (
 157         'https://www.youtube.com/s/player/dac945fd/player_ias.vflset/en_US/base.js',
 158         'o8BkRxXhuYsBCWi6RplPdP', '3Lx32v_hmzTm6A',
 159     ),
 160     (
 161         'https://www.youtube.com/s/player/6f20102c/player_ias.vflset/en_US/base.js',
 162         'lE8DhoDmKqnmJJ', 'pJTTX6XyJP2BYw',
 163     ),
 164     (
 165         'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js',
 166         'aCi3iElgd2kq0bxVbQ', 'QX1y8jGb2IbZ0w',
 167     ),
 168     (
 169         'https://www.youtube.com/s/player/8c7583ff/player_ias.vflset/en_US/base.js',
 170         '1wWCVpRR96eAmMI87L', 'KSkWAVv1ZQxC3A',
 171     ),
 172     (
 173         'https://www.youtube.com/s/player/b7910ca8/player_ias.vflset/en_US/base.js',
 174         '_hXMCwMt9qE310D', 'LoZMgkkofRMCZQ',
 175     ),
 176     (
 177         'https://www.youtube.com/s/player/590f65a6/player_ias.vflset/en_US/base.js',
 178         '1tm7-g_A9zsI8_Lay_', 'xI4Vem4Put_rOg',
 179     ),
 180     (
 181         'https://www.youtube.com/s/player/b22ef6e7/player_ias.vflset/en_US/base.js',
 182         'b6HcntHGkvBLk_FRf', 'kNPW6A7FyP2l8A',
 183     ),
 184     (
 185         'https://www.youtube.com/s/player/3400486c/player_ias.vflset/en_US/base.js',
 186         'lL46g3XifCKUZn1Xfw', 'z767lhet6V2Skl',
 187     ),
 188     (
 189         'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
 190         '-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
 191     ),
 192     (
 193         'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
 194         'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
 195     ),
 196     (
 197         'https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js',
 198         'gK15nzVyaXE9RsMP3z', 'ZFFWFLPWx9DEgQ',
 199     ),
 200     (
 201         'https://www.youtube.com/s/player/2f1832d2/player_ias.vflset/en_US/base.js',
 202         'YWt1qdbe8SAfkoPHW5d', 'RrRjWQOJmBiP',
 203     ),
 204 ]
 205
 206
 207 @is_download_test
 208 class TestPlayerInfo(unittest.TestCase):
 209     def test_youtube_extract_player_info(self):
 210         PLAYER_URLS = (
 211             ('https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js', '4c3f79c5'),
 212             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/en_US/base.js', '64dddad9'),
 213             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/fr_FR/base.js', '64dddad9'),
 214             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'),
 215             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'),
 216             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'),
 217             # obsolete
 218             ('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'),
 219             ('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'),
 220             ('https://www.youtube.com/yts/jsbin/player_ias-vflCPQUIL/en_US/base.js', 'vflCPQUIL'),
 221             ('https://www.youtube.com/yts/jsbin/player-vflzQZbt7/en_US/base.js', 'vflzQZbt7'),
 222             ('https://www.youtube.com/yts/jsbin/player-en_US-vflaxXRn1/base.js', 'vflaxXRn1'),
 223             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'),
 224             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'),
 225         )
 226         for player_url, expected_player_id in PLAYER_URLS:
 227             player_id = YoutubeIE._extract_player_info(player_url)
 228             self.assertEqual(player_id, expected_player_id)
 229
 230
 231 @is_download_test
 232 class TestSignature(unittest.TestCase):
 233     def setUp(self):
 234         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 235         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata/sigs')
 236         if not os.path.exists(self.TESTDATA_DIR):
 237             os.mkdir(self.TESTDATA_DIR)
 238
 239     def tearDown(self):
 240         with contextlib.suppress(OSError):
 241             for f in os.listdir(self.TESTDATA_DIR):
 242                 os.remove(f)
 243
 244
 245 def t_factory(name, sig_func, url_pattern):
 246     def make_tfunc(url, sig_input, expected_sig):
 247         m = url_pattern.match(url)
 248         assert m, f'{url!r} should follow URL format'
 249         test_id = m.group('id')
 250
 251         def test_func(self):
 252             basename = f'player-{name}-{test_id}.js'
 253             fn = os.path.join(self.TESTDATA_DIR, basename)
 254
 255             if not os.path.exists(fn):
 256                 urllib.request.urlretrieve(url, fn)
 257             with open(fn, encoding='utf-8') as testf:
 258                 jscode = testf.read()
 259             self.assertEqual(sig_func(jscode, sig_input), expected_sig)
 260
 261         test_func.__name__ = f'test_{name}_js_{test_id}'
 262         setattr(TestSignature, test_func.__name__, test_func)
 263     return make_tfunc
 264
 265
 266 def signature(jscode, sig_input):
 267     func = YoutubeIE(FakeYDL())._parse_sig_js(jscode)
 268     src_sig = (
 269         str(string.printable[:sig_input])
 270         if isinstance(sig_input, int) else sig_input)
 271     return func(src_sig)
 272
 273
 274 def n_sig(jscode, sig_input):
 275     ie = YoutubeIE(FakeYDL())
 276     funcname = ie._extract_n_function_name(jscode)
 277     jsi = JSInterpreter(jscode)
 278     func = jsi.extract_function_from_code(*ie._fixup_n_function_code(*jsi.extract_function_code(funcname)))
 279     return func([sig_input])
 280
 281
 282 make_sig_test = t_factory(
 283     'signature', signature, re.compile(r'.*(?:-|/player/)(?P<id>[a-zA-Z0-9_-]+)(?:/.+\.js|(?:/watch_as3|/html5player)?\.[a-z]+)$'))
 284 for test_spec in _SIG_TESTS:
 285     make_sig_test(*test_spec)
 286
 287 make_nsig_test = t_factory(
 288     'nsig', n_sig, re.compile(r'.+/player/(?P<id>[a-zA-Z0-9_-]+)/.+.js$'))
 289 for test_spec in _NSIG_TESTS:
 290     make_nsig_test(*test_spec)
 291
 292
 293 if __name__ == '__main__':
 294     unittest.main()