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Code Issues Releases Wiki Activity

[cda] Try to fix and improve extraction (fixes #24458)

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Signed-off-by: David Sn <divad.nnamtdeis@gmail.com>
This commit is contained in:
David Sn 2020-03-28 19:42:42 +01:00
parent 049c0486bb
commit 3574d22de9
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GPG Key ID: 12608A286656086D
1 changed files with 17 additions and 4 deletions
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21
youtube_dl/extractor/cda.py
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@ -5,6 +5,7 @@ import codecs
import re
from .common import InfoExtractor
from ..compat import compat_urllib_parse_unquote
from ..utils import (
ExtractorError,
float_or_none,
@ -123,6 +124,19 @@ class CDAIE(InfoExtractor):
'age_limit': 18 if need_confirm_age else 0,
}
def decrypt_file(file):
b = []
for ch in file:
f = ord(ch)
b.append(chr(33 + (f + 14) % 94) if 33 <= f and 126 >= f else chr(f))
return "".join(b)
def decode(file):
decoded = codecs.decode(codecs.decode(file, "rot_13"), "rot_13")
return "https://" + decrypt_file(compat_urllib_parse_unquote(decoded)) + ".mp4"
def extract_format(page, version):
json_str = self._html_search_regex(
r'player_data=(\\?["\'])(?P<player_data>.+?)\1', page,
@ -137,10 +151,9 @@ class CDAIE(InfoExtractor):
if not video or 'file' not in video:
self.report_warning('Unable to extract %s version information' % version)
return
if video['file'].startswith('uggc'):
video['file'] = codecs.decode(video['file'], 'rot_13')
if video['file'].endswith('adc.mp4'):
video['file'] = video['file'].replace('adc.mp4', '.mp4')
video['file'] = decode(video['file'])
if video['file'].endswith('adc.mp4'):
video['file'] = video['file'].replace('adc.mp4', '.mp4')
f = {
'url': video['file'],
}