add bin/bitbot-log to read/decrypt channel_log files

This commit is contained in:
jesopo 2020-02-20 15:07:52 +00:00
parent 0667ac8c5f
commit b260c80c31

38
bin/bitbot-log Executable file
View file

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#!/usr/bin/env python3
import argparse
arg_parser = argparse.ArgumentParser(
description="BitBot log decrypting utility")
arg_parser.add_argument("key",
help="Location of private key for decrypting given log file")
arg_parser.add_argument("log", help="Location of the log file to decrypt")
args = arg_parser.parse_args()
import base64
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.asymmetric import padding
def a_decrypt(key, data):
out = key.decrypt(base64.b64decode(data), padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(), label=None))
return out.decode("utf8")
with open(args.key, "rb") as key_file:
key_content = key_file.read()
key = serialization.load_pem_private_key(
key_content, password=None, backend=default_backend())
with open(args.log) as log_file:
lines = log_file.read().split("\n")
lines = filter(None, lines)
for line in lines:
if line[0] == "\x02":
line = a_decrypt(key, line[1:])
print(line)