test/test_youtube_signature.py

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