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Merge pull request #1464 from patrickslin/patch-7 

Unable to decrypt signature length 93 (fixes #1461)
pull/1433/merge
Jaime Marquínez Ferrándiz 2013-09-20 08:23:50 +02:00
parent c5e743f66f bc4b900898
commit 7a878d47fa
2 changed files with 7 additions and 1 deletions
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4
devscripts/youtube_genalgo.py
View File

@ -1,10 +1,14 @@
#!/usr/bin/env python #!/usr/bin/env python
# encoding: utf-8
# Generate youtube signature algorithm from test cases # Generate youtube signature algorithm from test cases
import sys import sys
tests = [ tests = [
# 93 - vfl79wBKW 2013/07/20
(u"qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"€",
u".>/?;:|}][{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWQ098765'321mnbvcxzasdfghjklpoiu"),
# 92 - vflQw-fB4 2013/07/17 # 92 - vflQw-fB4 2013/07/17
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"", ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"",
"mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"), "mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"),

4
youtube_dl/extractor/youtube.py
View File

@ -416,7 +416,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
def _decrypt_signature(self, s): def _decrypt_signature(self, s):
"""Turn the encrypted s field into a working signature""" """Turn the encrypted s field into a working signature"""
if len(s) == 92: if len(s) == 93:
return s[86:29:-1] + s[88] + s[28:5:-1]
elif len(s) == 92:
return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83] return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
elif len(s) == 90: elif len(s) == 90:
return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]