#!/usr/bin/env python3
# /// script
# requires-python = ">=3.10"
# dependencies = ["requests", "cryptography"]
# ///
"""Quick CRL parse debug test."""
import requests, traceback
from cryptography import x509

urls = [
    "http://pki.imy.se/IMY-RootCA01/CRL/IMY-RootCA01.crl",
    "http://pki.imy.se/IMY-IssuingCA02/CRL/IMY-IssuingCA02.crl",
    "http://pki.imy.se/CDP/IMYRootCa01.crl",
    "http://pki.imy.se/CDP/IMY%20Sub%20CA+.crl",
]

session = requests.Session()
session.verify = False
session.headers.update({
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)',
    'Accept-Encoding': 'identity',
})
requests.packages.urllib3.disable_warnings()

for url in urls:
    print(f"\n{'='*70}")
    print(f"URL: {url}")
    try:
        resp = session.get(url, timeout=30)
        data = resp.content
        print(f"Size: {len(data)} bytes | Status: {resp.status_code}")
        print(f"Content-Type: {resp.headers.get('content-type')}")
        print(f"First 20 bytes hex: {data[:20].hex(' ')}")
    except Exception as e:
        print(f"Download failed: {e}")
        continue

    print(f"\nTrying DER parse...")
    try:
        crl = x509.load_der_x509_crl(data)
        print(f"  ✔ SUCCESS! Issuer: {crl.issuer}")
    except Exception as e:
        print(f"  ✘ FAILED:")
        traceback.print_exc()

    print(f"\nTrying PEM parse...")
    try:
        crl = x509.load_pem_x509_crl(data)
        print(f"  ✔ SUCCESS! Issuer: {crl.issuer}")
    except Exception as e:
        print(f"  ✘ FAILED:")
        traceback.print_exc()