# Get certificates from domains and make a similar chain.

import OpenSSL
import ssl

def get_server_cert(domain, port=443):
	cert_pem = ssl.get_server_certificate((domain, port))
	cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, cert_pem)
	for i in range(cert.get_extension_count()):
		ext = cert.get_extension(i)
		ext_name = ext.get_short_name()
		if ext_name == "":
	return cert