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[aes] Add unpad_pkcs7

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pukkandan
2022-01-31 20:19:33 +05:30
parent c533c89ce1
commit 1d3586d0d5
8 changed files with 45 additions and 53 deletions
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16
yt_dlp/extractor/rtl2.py
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@@ -4,16 +4,13 @@ from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..aes import aes_cbc_decrypt
from ..aes import aes_cbc_decrypt_bytes, unpad_pkcs7
from ..compat import (
compat_b64decode,
compat_ord,
compat_str,
)
from ..utils import (
bytes_to_intlist,
ExtractorError,
intlist_to_bytes,
int_or_none,
strip_or_none,
)
@@ -142,17 +139,12 @@ class RTL2YouIE(RTL2YouBaseIE):
self._BACKWERK_BASE_URL + 'stream/video/' + video_id, video_id)
data, iv = compat_b64decode(stream_data['streamUrl']).decode().split(':')
stream_url = intlist_to_bytes(aes_cbc_decrypt(
bytes_to_intlist(compat_b64decode(data)),
bytes_to_intlist(self._AES_KEY),
bytes_to_intlist(compat_b64decode(iv))
))
stream_url = unpad_pkcs7(aes_cbc_decrypt_bytes(
compat_b64decode(data), self._AES_KEY, compat_b64decode(iv)))
if b'rtl2_you_video_not_found' in stream_url:
raise ExtractorError('video not found', expected=True)
formats = self._extract_m3u8_formats(
stream_url[:-compat_ord(stream_url[-1])].decode(),
video_id, 'mp4', 'm3u8_native')
formats = self._extract_m3u8_formats(stream_url.decode(), video_id, 'mp4', 'm3u8_native')
self._sort_formats(formats)
video_data = self._download_json(