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