더존 급여명세서 복호화

duzon.py

#!/usr/bin/env python
import sys
import re
import urllib

ENC_BODY_PATTERN = re.compile(r'value=\'([^\'].*)\'')


def decrypt(name, key):
    if len(key) != 6:
        print('Unknown type key: ' + key)
        sys.exit(1)

    with open(name, 'r') as f:
        body = f.read()

    enc_body = ENC_BODY_PATTERN.findall(body)
    if len(enc_body) != 1:
        print('Unknown mail')
        sys.exit(1)

    enc_body = urllib.unquote(enc_body[0]).split(',')
    return u''.join([unichr(int(e) + ord(key[i % len(key)])) for i, e in enumerate(enc_body)])


if __name__ == '__main__':
    print(decrypt(sys.argv[1], sys.argv[2])).encode('cp949', 'ignore')

gistfile1.sh

python duzon.py mail.html 890101