test/test_youtube_signature.py

   1 #!/usr/bin/env python3
   2 # Allow direct execution
   3 import os
   4 import sys
   5 import unittest
   6 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   7
   8 import re
   9 import string
  10 import urllib.request
  11
  12 from test.helper import FakeYDL, is_download_test
  13 from yt_dlp.extractor import YoutubeIE
  14 from yt_dlp.jsinterp import JSInterpreter
  15 from yt_dlp.compat import compat_str
  16
  17 _SIG_TESTS = [
  18     (
  19         'https://s.ytimg.com/yts/jsbin/html5player-vflHOr_nV.js',
  20         86,
  21         '>=<;:/.-[+*)(\'&%$#"!ZYX0VUTSRQPONMLKJIHGFEDCBA\\yxwvutsrqponmlkjihgfedcba987654321',
  22     ),
  23     (
  24         'https://s.ytimg.com/yts/jsbin/html5player-vfldJ8xgI.js',
  25         85,
  26         '3456789a0cdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRS[UVWXYZ!"#$%&\'()*+,-./:;<=>?@',
  27     ),
  28     (
  29         'https://s.ytimg.com/yts/jsbin/html5player-vfle-mVwz.js',
  30         90,
  31         ']\\[@?>=<;:/.-,+*)(\'&%$#"hZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkjiagfedcb39876',
  32     ),
  33     (
  34         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vfl0Cbn9e.js',
  35         84,
  36         'O1I3456789abcde0ghijklmnopqrstuvwxyzABCDEFGHfJKLMN2PQRSTUVW@YZ!"#$%&\'()*+,-./:;<=',
  37     ),
  38     (
  39         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js',
  40         '2ACFC7A61CA478CD21425E5A57EBD73DDC78E22A.2094302436B2D377D14A3BBA23022D023B8BC25AA',
  41         'A52CB8B320D22032ABB3A41D773D2B6342034902.A22E87CDD37DBE75A5E52412DC874AC16A7CFCA2',
  42     ),
  43     (
  44         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflBb0OQx.js',
  45         84,
  46         '123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQ0STUVWXYZ!"#$%&\'()*+,@./:;<=>'
  47     ),
  48     (
  49         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vfl9FYC6l.js',
  50         83,
  51         '123456789abcdefghijklmnopqr0tuvwxyzABCDETGHIJKLMNOPQRS>UVWXYZ!"#$%&\'()*+,-./:;<=F'
  52     ),
  53     (
  54         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflCGk6yw/html5player.js',
  55         '4646B5181C6C3020DF1D9C7FCFEA.AD80ABF70C39BD369CCCAE780AFBB98FA6B6CB42766249D9488C288',
  56         '82C8849D94266724DC6B6AF89BBFA087EACCD963.B93C07FBA084ACAEFCF7C9D1FD0203C6C1815B6B'
  57     ),
  58     (
  59         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js',
  60         '312AA52209E3623129A412D56A40F11CB0AF14AE.3EE09501CB14E3BCDC3B2AE808BF3F1D14E7FBF12',
  61         '112AA5220913623229A412D56A40F11CB0AF14AE.3EE0950FCB14EEBCDC3B2AE808BF331D14E7FBF3',
  62     )
  63 ]
  64
  65 _NSIG_TESTS = [
  66     (
  67         'https://www.youtube.com/s/player/9216d1f7/player_ias.vflset/en_US/base.js',
  68         'SLp9F5bwjAdhE9F-', 'gWnb9IK2DJ8Q1w',
  69     ),
  70     (
  71         'https://www.youtube.com/s/player/f8cb7a3b/player_ias.vflset/en_US/base.js',
  72         'oBo2h5euWy6osrUt', 'ivXHpm7qJjJN',
  73     ),
  74     (
  75         'https://www.youtube.com/s/player/2dfe380c/player_ias.vflset/en_US/base.js',
  76         'oBo2h5euWy6osrUt', '3DIBbn3qdQ',
  77     ),
  78     (
  79         'https://www.youtube.com/s/player/f1ca6900/player_ias.vflset/en_US/base.js',
  80         'cu3wyu6LQn2hse', 'jvxetvmlI9AN9Q',
  81     ),
  82     (
  83         'https://www.youtube.com/s/player/8040e515/player_ias.vflset/en_US/base.js',
  84         'wvOFaY-yjgDuIEg5', 'HkfBFDHmgw4rsw',
  85     ),
  86     (
  87         'https://www.youtube.com/s/player/e06dea74/player_ias.vflset/en_US/base.js',
  88         'AiuodmaDDYw8d3y4bf', 'ankd8eza2T6Qmw',
  89     ),
  90     (
  91         'https://www.youtube.com/s/player/5dd88d1d/player-plasma-ias-phone-en_US.vflset/base.js',
  92         'kSxKFLeqzv_ZyHSAt', 'n8gS8oRlHOxPFA',
  93     ),
  94 ]
  95
  96
  97 @is_download_test
  98 class TestPlayerInfo(unittest.TestCase):
  99     def test_youtube_extract_player_info(self):
 100         PLAYER_URLS = (
 101             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/en_US/base.js', '64dddad9'),
 102             ('https://www.youtube.com/s/player/64dddad9/player_ias.vflset/fr_FR/base.js', '64dddad9'),
 103             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'),
 104             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'),
 105             ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'),
 106             # obsolete
 107             ('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'),
 108             ('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'),
 109             ('https://www.youtube.com/yts/jsbin/player_ias-vflCPQUIL/en_US/base.js', 'vflCPQUIL'),
 110             ('https://www.youtube.com/yts/jsbin/player-vflzQZbt7/en_US/base.js', 'vflzQZbt7'),
 111             ('https://www.youtube.com/yts/jsbin/player-en_US-vflaxXRn1/base.js', 'vflaxXRn1'),
 112             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'),
 113             ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'),
 114         )
 115         for player_url, expected_player_id in PLAYER_URLS:
 116             player_id = YoutubeIE._extract_player_info(player_url)
 117             self.assertEqual(player_id, expected_player_id)
 118
 119
 120 @is_download_test
 121 class TestSignature(unittest.TestCase):
 122     def setUp(self):
 123         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 124         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata/sigs')
 125         if not os.path.exists(self.TESTDATA_DIR):
 126             os.mkdir(self.TESTDATA_DIR)
 127
 128     def tearDown(self):
 129         try:
 130             for f in os.listdir(self.TESTDATA_DIR):
 131                 os.remove(f)
 132         except OSError:
 133             pass
 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()