#!/usr/bin/python3

import os
import sys

import bs4

with open(sys.argv[1]) as file:
    xml = file.read()

soup = bs4.BeautifulSoup(xml, 'xml')
for purpose, purpose_name in zip([soup.Signer, soup.Decryption], ['signer', 'decrypt']):
    for cert, cert_name in zip(purpose.findAll('Certificate'), ['root', 'inter', 'leaf']):
        name = f"{purpose_name}_{cert_name}"
        with open(f"{name}.pem", "w") as out:
            print(cert.text, file=out)
        os.system(f"openssl x509 -text -in {name}.pem > {name}.dump")
        os.system(f"openssl asn1parse < {name}.pem > {name}.asn1")