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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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10
yt_dlp/extractor/newstube.py
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@@ -5,11 +5,9 @@ import base64
import hashlib
from .common import InfoExtractor
from ..aes import aes_cbc_decrypt
from ..aes import aes_cbc_decrypt_bytes, unpad_pkcs7
from ..utils import (
bytes_to_intlist,
int_or_none,
intlist_to_bytes,
parse_codecs,
parse_duration,
)
@@ -47,10 +45,8 @@ class NewstubeIE(InfoExtractor):
}))
key = hashlib.pbkdf2_hmac(
'sha1', video_guid.replace('-', '').encode(), enc_data[:16], 1)[:16]
dec_data = aes_cbc_decrypt(
bytes_to_intlist(enc_data[32:]), bytes_to_intlist(key),
bytes_to_intlist(enc_data[16:32]))
sources = self._parse_json(intlist_to_bytes(dec_data[:-dec_data[-1]]), video_guid)
dec_data = unpad_pkcs7(aes_cbc_decrypt_bytes(enc_data[32:], key, enc_data[16:32]))
sources = self._parse_json(dec_data, video_guid)
formats = []
for source in sources: