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Merge pull request #1464 from patrickslin/patch-7
Unable to decrypt signature length 93 (fixes #1461)
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commit
7a878d47fa
@ -1,10 +1,14 @@
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#!/usr/bin/env python
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#!/usr/bin/env python
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# encoding: utf-8
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# Generate youtube signature algorithm from test cases
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# Generate youtube signature algorithm from test cases
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import sys
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import sys
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tests = [
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tests = [
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# 93 - vfl79wBKW 2013/07/20
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(u"qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"€",
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u".>/?;:|}][{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWQ098765'321mnbvcxzasdfghjklpoiu"),
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# 92 - vflQw-fB4 2013/07/17
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# 92 - vflQw-fB4 2013/07/17
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"",
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("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"",
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"mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"),
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"mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"),
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@ -416,7 +416,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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def _decrypt_signature(self, s):
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def _decrypt_signature(self, s):
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"""Turn the encrypted s field into a working signature"""
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"""Turn the encrypted s field into a working signature"""
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if len(s) == 92:
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if len(s) == 93:
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return s[86:29:-1] + s[88] + s[28:5:-1]
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elif len(s) == 92:
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return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
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return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
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elif len(s) == 90:
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elif len(s) == 90:
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return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
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return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
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