Johan Selmosson
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
#!/usr/bin/env python3
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# /// script
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# requires-python = ">=3.10"
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# dependencies = ["requests", "cryptography"]
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# ///
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"""Quick CRL parse debug test."""
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import requests, traceback
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from cryptography import x509
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urls = [
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"http://pki.imy.se/IMY-RootCA01/CRL/IMY-RootCA01.crl",
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"http://pki.imy.se/IMY-IssuingCA02/CRL/IMY-IssuingCA02.crl",
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"http://pki.imy.se/CDP/IMYRootCa01.crl",
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"http://pki.imy.se/CDP/IMY%20Sub%20CA+.crl",
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]
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session = requests.Session()
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session.verify = False
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session.headers.update({
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)',
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'Accept-Encoding': 'identity',
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})
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requests.packages.urllib3.disable_warnings()
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for url in urls:
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print(f"\n{'='*70}")
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print(f"URL: {url}")
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try:
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resp = session.get(url, timeout=30)
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data = resp.content
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print(f"Size: {len(data)} bytes | Status: {resp.status_code}")
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print(f"Content-Type: {resp.headers.get('content-type')}")
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print(f"First 20 bytes hex: {data[:20].hex(' ')}")
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except Exception as e:
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print(f"Download failed: {e}")
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continue
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print(f"\nTrying DER parse...")
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try:
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crl = x509.load_der_x509_crl(data)
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print(f" ✔ SUCCESS! Issuer: {crl.issuer}")
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except Exception as e:
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print(f" ✘ FAILED:")
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traceback.print_exc()
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print(f"\nTrying PEM parse...")
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try:
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crl = x509.load_pem_x509_crl(data)
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print(f" ✔ SUCCESS! Issuer: {crl.issuer}")
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except Exception as e:
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print(f" ✘ FAILED:")
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traceback.print_exc() |