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synced 2024-09-11 20:12:41 +02:00
YoutubeIE: new algo for length 86 (fixes #1156)
Now is using the same length as the flash player used for age protected videos, but the algorithm is different, so now for age protected videos it first tries to use the old algo.
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@ -17,9 +17,9 @@ tests = [
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# 87 - vflART1Nf 2013/07/24
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>.<",
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"tyuioplkjhgfdsazxcv<nm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>"),
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# 86 - vfl_ymO4Z 2013/06/27
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# 86 - vflm_D8eE 2013/07/31
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
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"ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"),
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">.1}|[{=+-_)(*&^%$#@!MNBVCXZASDFGHJK<POIUYTREW509876L432/mnbvcxzasdfghjklpoiuytre"),
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# 85 - vflSAFCP9 2013/07/19
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?/>.<",
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"ertyuiqplkjhgfdsazx$vbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#<%^&*()_-+={[};?/c"),
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@ -40,6 +40,12 @@ tests = [
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"Z?;}[{=+-(*&^%$#@!MNBVCXRASDFGHKLPOIUYT/EWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"),
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]
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tests_age_gate = [
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# 86 - vflqinMWD
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
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"ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"),
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]
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def find_matching(wrong, right):
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idxs = [wrong.index(c) for c in right]
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return compress(idxs)
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@ -90,6 +96,8 @@ def genall(tests):
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def main():
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print(genall(tests))
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print(u' Age gate:')
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print(genall(tests_age_gate))
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if __name__ == '__main__':
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main()
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@ -10,7 +10,9 @@ sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from youtube_dl.extractor.youtube import YoutubeIE
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from helper import FakeYDL
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sig = YoutubeIE(FakeYDL())._decrypt_signature
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ie = YoutubeIE(FakeYDL())
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sig = ie._decrypt_signature
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sig_age_gate = ie._decrypt_signature_age_gate
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class TestYoutubeSig(unittest.TestCase):
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def test_92(self):
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@ -35,7 +37,7 @@ class TestYoutubeSig(unittest.TestCase):
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def test_86(self):
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wrong = "qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<"
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right = "ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"
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right = ">.1}|[{=+-_)(*&^%$#@!MNBVCXZASDFGHJK<POIUYTREW509876L432/mnbvcxzasdfghjklpoiuytre"
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self.assertEqual(sig(wrong), right)
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def test_85(self):
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@ -67,6 +69,11 @@ class TestYoutubeSig(unittest.TestCase):
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wrong = "qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/"
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right = "Z?;}[{=+-(*&^%$#@!MNBVCXRASDFGHKLPOIUYT/EWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"
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self.assertEqual(sig(wrong), right)
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def test_86_age_gate(self):
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wrong = "qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<"
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right = "ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"
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self.assertEqual(sig_age_gate(wrong), right)
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if __name__ == '__main__':
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unittest.main()
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@ -286,7 +286,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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elif len(s) == 87:
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return s[4:23] + s[86] + s[24:85]
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elif len(s) == 86:
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return s[2:63] + s[82] + s[64:82] + s[63]
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return s[83:85] + s[26] + s[79:46:-1] + s[85] + s[45:36:-1] + s[30] + s[35:30:-1] + s[46] + s[29:26:-1] + s[82] + s[25:1:-1]
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elif len(s) == 85:
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return s[2:8] + s[0] + s[9:21] + s[65] + s[22:65] + s[84] + s[66:82] + s[21]
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elif len(s) == 84:
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@ -303,6 +303,16 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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else:
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raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
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def _decrypt_signature_age_gate(self, s):
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# The videos with age protection use another player, so the algorithms
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# can be different.
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if len(s) == 86:
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return s[2:63] + s[82] + s[64:82] + s[63]
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else:
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# Fallback to the other algortihms
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self._decrypt_signature(s)
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def _get_available_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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@ -611,7 +621,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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parts_sizes = u'.'.join(compat_str(len(part)) for part in s.split('.'))
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self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
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(len(s), parts_sizes, url_data['itag'][0], player))
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signature = self._decrypt_signature(url_data['s'][0])
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encrypted_sig = url_data['s'][0]
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if age_gate:
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signature = self._decrypt_signature_age_gate(encrypted_sig)
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else:
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signature = self._decrypt_signature(encrypted_sig)
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url += '&signature=' + signature
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if 'ratebypass' not in url:
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url += '&ratebypass=yes'
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