From 444b1165975ded5b38111c623ae6005391c13051 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?= Date: Thu, 18 Jul 2013 12:24:16 +0200 Subject: [PATCH] YoutubeIE: add algo for length 90 (closes #1064) Order the cases from higher to lower length. --- devscripts/youtube_genalgo.py | 3 +++ test/test_youtube_sig.py | 15 ++++++++++----- youtube_dl/extractor/youtube.py | 8 +++++--- 3 files changed, 18 insertions(+), 8 deletions(-) diff --git a/devscripts/youtube_genalgo.py b/devscripts/youtube_genalgo.py index 7eb0aba1c..6a33cf403 100644 --- a/devscripts/youtube_genalgo.py +++ b/devscripts/youtube_genalgo.py @@ -8,6 +8,9 @@ tests = [ # 92 - vflQw-fB4 2013/07/17 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"", "mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"), + # 90 + ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`", + "mrtyuioplkjhgfdsazxcvbne1234567890QWER[YUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={`]}|"), # 88 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<", "J:|}][{=+-_)(*&;%$#@>MNBVCXZASDFGH^KLPOIUYTREWQ0987654321mnbvcxzasdfghrklpoiuytej"), diff --git a/test/test_youtube_sig.py b/test/test_youtube_sig.py index b8e51f479..a8b1fe4dd 100644 --- a/test/test_youtube_sig.py +++ b/test/test_youtube_sig.py @@ -18,6 +18,16 @@ class TestYoutubeSig(unittest.TestCase): right = '931EA22157E1871643FA9519676DED253A342B0C.4E95A5DBD2F1F511DCC1209DF56CB77693CE0EAE' self.assertEqual(sig(wrong), right) + def test_92(self): + wrong = "F9F9B6E6FD47029957AB911A964CC20D95A181A5D37A2DBEFD67D403DB0E8BE4F4910053E4E8A79.0B70B.0B80B8" + right = "69B6E6FD47029957AB911A9F4CC20D95A181A5D3.A2DBEFD67D403DB0E8BE4F4910053E4E8A7980B7" + self.assertEqual(sig(wrong), right) + + def test_90(self): + wrong = "qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`" + right = "mrtyuioplkjhgfdsazxcvbne1234567890QWER[YUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={`]}|" + self.assertEqual(sig(wrong), right) + def test_88(self): wrong = "qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<" right = "J:|}][{=+-_)(*&;%$#@>MNBVCXZASDFGH^KLPOIUYTREWQ0987654321mnbvcxzasdfghrklpoiuytej" @@ -58,10 +68,5 @@ class TestYoutubeSig(unittest.TestCase): right = "urty8ioplkjhgfdsazxcvbqm1234567e90QWERTYUIOPLKHGFDSnZXCVBNM!@#$%^&*(-+={[};?/>." self.assertEqual(sig(wrong), right) - def test_92(self): - wrong = "F9F9B6E6FD47029957AB911A964CC20D95A181A5D37A2DBEFD67D403DB0E8BE4F4910053E4E8A79.0B70B.0B80B8" - right = "69B6E6FD47029957AB911A9F4CC20D95A181A5D3.A2DBEFD67D403DB0E8BE4F4910053E4E8A7980B7" - self.assertEqual(sig(wrong), right) - if __name__ == '__main__': unittest.main() diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index 580f39ee8..2aac5dd2e 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -179,7 +179,11 @@ class YoutubeIE(InfoExtractor): def _decrypt_signature(self, s): """Turn the encrypted s field into a working signature""" - if len(s) == 88: + if len(s) == 92: + 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: + return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] + elif len(s) == 88: return s[48] + s[81:67:-1] + s[82] + s[66:62:-1] + s[85] + s[61:48:-1] + s[67] + s[47:12:-1] + s[3] + s[11:3:-1] + s[2] + s[12] elif len(s) == 87: return s[62] + s[82:62:-1] + s[83] + s[61:52:-1] + s[0] + s[51:2:-1] @@ -195,8 +199,6 @@ class YoutubeIE(InfoExtractor): return s[36] + s[79:67:-1] + s[81] + s[66:40:-1] + s[33] + s[39:36:-1] + s[40] + s[35] + s[0] + s[67] + s[32:0:-1] + s[34] elif len(s) == 81: return s[6] + s[3:6] + s[33] + s[7:24] + s[0] + s[25:33] + s[2] + s[34:53] + s[24] + s[54:81] - 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]; else: raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s))) -- 2.22.2