mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-28 19:57:42 +00:00
75952c6e3d
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.
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Generate youtube signature algorithm from test cases
|
|
|
|
import sys
|
|
|
|
tests = [
|
|
# 92 - vflQw-fB4 2013/07/17
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"",
|
|
"mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"),
|
|
# 90
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`",
|
|
"mrtyuioplkjhgfdsazxcvbne1234567890QWER[YUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={`]}|"),
|
|
# 88
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<",
|
|
"J:|}][{=+-_)(*&;%$#@>MNBVCXZASDFGH^KLPOIUYTREWQ0987654321mnbvcxzasdfghrklpoiuytej"),
|
|
# 87 - vflART1Nf 2013/07/24
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>.<",
|
|
"tyuioplkjhgfdsazxcv<nm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>"),
|
|
# 86 - vflm_D8eE 2013/07/31
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
|
|
">.1}|[{=+-_)(*&^%$#@!MNBVCXZASDFGHJK<POIUYTREW509876L432/mnbvcxzasdfghjklpoiuytre"),
|
|
# 85 - vflSAFCP9 2013/07/19
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?/>.<",
|
|
"ertyuiqplkjhgfdsazx$vbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#<%^&*()_-+={[};?/c"),
|
|
# 84
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?>.<",
|
|
"<.>?;}[{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWe098765432rmnbvcxzasdfghjklpoiuyt1"),
|
|
# 83 - vflcaqGO8 2013/07/11
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!#$%^&*()_+={[};?/>.<",
|
|
"urty8ioplkjhgfdsazxcvbqm1234567S90QWERTYUIOPLKJHGFDnAZXCVBNM!#$%^&*()_+={[};?/>.<"),
|
|
# 82
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/>.<",
|
|
"Q>/?;}[{=+-(*<^%$#@!MNBVCXZASDFGHKLPOIUY8REWT0q&7654321mnbvcxzasdfghjklpoiuytrew9"),
|
|
# 81 - vflLC8JvQ 2013/07/25
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/>.",
|
|
"C>/?;}[{=+-(*&^%$#@!MNBVYXZASDFGHKLPOIU.TREWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"),
|
|
# 79 - vflLC8JvQ 2013/07/25 (sporadic)
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/",
|
|
"Z?;}[{=+-(*&^%$#@!MNBVCXRASDFGHKLPOIUYT/EWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"),
|
|
]
|
|
|
|
tests_age_gate = [
|
|
# 86 - vflqinMWD
|
|
("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
|
|
"ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"),
|
|
]
|
|
|
|
def find_matching(wrong, right):
|
|
idxs = [wrong.index(c) for c in right]
|
|
return compress(idxs)
|
|
return ('s[%d]' % i for i in idxs)
|
|
|
|
def compress(idxs):
|
|
def _genslice(start, end, step):
|
|
starts = '' if start == 0 else str(start)
|
|
ends = ':%d' % (end+step)
|
|
steps = '' if step == 1 else (':%d' % step)
|
|
return 's[%s%s%s]' % (starts, ends, steps)
|
|
|
|
step = None
|
|
for i, prev in zip(idxs[1:], idxs[:-1]):
|
|
if step is not None:
|
|
if i - prev == step:
|
|
continue
|
|
yield _genslice(start, prev, step)
|
|
step = None
|
|
continue
|
|
if i - prev in [-1, 1]:
|
|
step = i - prev
|
|
start = prev
|
|
continue
|
|
else:
|
|
yield 's[%d]' % prev
|
|
if step is None:
|
|
yield 's[%d]' % i
|
|
else:
|
|
yield _genslice(start, i, step)
|
|
|
|
def _assert_compress(inp, exp):
|
|
res = list(compress(inp))
|
|
if res != exp:
|
|
print('Got %r, expected %r' % (res, exp))
|
|
assert res == exp
|
|
_assert_compress([0,2,4,6], ['s[0]', 's[2]', 's[4]', 's[6]'])
|
|
_assert_compress([0,1,2,4,6,7], ['s[:3]', 's[4]', 's[6:8]'])
|
|
_assert_compress([8,0,1,2,4,7,6,9], ['s[8]', 's[:3]', 's[4]', 's[7:5:-1]', 's[9]'])
|
|
|
|
def gen(wrong, right, indent):
|
|
code = ' + '.join(find_matching(wrong, right))
|
|
return 'if len(s) == %d:\n%s return %s\n' % (len(wrong), indent, code)
|
|
|
|
def genall(tests):
|
|
indent = ' ' * 8
|
|
return indent + (indent + 'el').join(gen(wrong, right, indent) for wrong,right in tests)
|
|
|
|
def main():
|
|
print(genall(tests))
|
|
print(u' Age gate:')
|
|
print(genall(tests_age_gate))
|
|
|
|
if __name__ == '__main__':
|
|
main()
|