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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/drtv.py
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@@ -7,13 +7,11 @@ 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_urllib_parse_unquote
from ..utils import (
bytes_to_intlist,
ExtractorError,
int_or_none,
intlist_to_bytes,
float_or_none,
mimetype2ext,
str_or_none,
@@ -191,13 +189,11 @@ class DRTVIE(InfoExtractor):
def decrypt_uri(e):
n = int(e[2:10], 16)
a = e[10 + n:]
data = bytes_to_intlist(hex_to_bytes(e[10:10 + n]))
key = bytes_to_intlist(hashlib.sha256(
('%s:sRBzYNXBzkKgnjj8pGtkACch' % a).encode('utf-8')).digest())
iv = bytes_to_intlist(hex_to_bytes(a))
decrypted = aes_cbc_decrypt(data, key, iv)
return intlist_to_bytes(
decrypted[:-decrypted[-1]]).decode('utf-8').split('?')[0]
data = hex_to_bytes(e[10:10 + n])
key = hashlib.sha256(('%s:sRBzYNXBzkKgnjj8pGtkACch' % a).encode('utf-8')).digest()
iv = hex_to_bytes(a)
decrypted = unpad_pkcs7(aes_cbc_decrypt_bytes(data, key, iv))
return decrypted.decode('utf-8').split('?')[0]
for asset in assets:
kind = asset.get('Kind')