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[beeg] Decrypt URL (Closes #7736)

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This commit is contained in:
Sergey M․ 2015-12-04 00:59:32 +06:00
parent 112ab398db
commit e0977d7686
1 changed files with 23 additions and 1 deletions
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24
youtube_dl/extractor/beeg.py
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@ -1,6 +1,11 @@
from __future__ import unicode_literals
from .common import InfoExtractor
from ..compat import (
compat_chr,
compat_ord,
compat_urllib_parse_unquote,
)
from ..utils import (
int_or_none,
parse_iso8601,
@ -31,6 +36,23 @@ def _real_extract(self, url):
video = self._download_json(
'http://beeg.com/api/v3/video/%s' % video_id, video_id)
def decrypt_key(key):
# Reverse engineered from http://static.beeg.com/cpl/1067.js
a = '8RPUUCS35ZWp3ADnKcSmpH71ZusrROo'
e = compat_urllib_parse_unquote(key)
return ''.join([
compat_chr(compat_ord(e[n]) - compat_ord(a[n % len(a)]) % 25)
for n in range(len(e))])
def decrypt_url(encrypted_url):
encrypted_url = self._proto_relative_url(
encrypted_url.replace('{DATA_MARKERS}', ''), 'http:')
key = self._search_regex(
r'/key=(.*?)%2Cend=', encrypted_url, 'key', default=None)
if not key:
return encrypted_url
return encrypted_url.replace(key, decrypt_key(key))
formats = []
for format_id, video_url in video.items():
if not video_url:
@ -40,7 +62,7 @@ def _real_extract(self, url):
if not height:
continue
formats.append({
'url': self._proto_relative_url(video_url.replace('{DATA_MARKERS}', ''), 'http:'),
'url': decrypt_url(video_url),
'format_id': format_id,
'height': int(height),
})