def test_has_dns():
output_valid = {
'ESNIKeys':
'/wFAca5pACQAHQAg/wJCen8ikwzbG8WEPaXqBqD+PnYAF07MA/JEmRbCmVYAAhMBAQQAAAAAXqjDgAAAAABesKyAAAA=',
'version': 'FF 01',
'checksum': '40 71 AE 69',
'keys [0]': 'x25519',
'keys_value [0]':
'00 20 FF 02 42 7A 7F 22 93 0C DB 1B C5 84 3D A5 EA 06 A0 FE 3E 76 00 17 4E CC 03 F2 44 99 16 C2',
'cipher_suites': 'TLS_AES_128_GCM_SHA256',
'padded_length': 260,
'not_before': datetime.datetime(2020, 4, 29, 0, 0),
'not_after': datetime.datetime(2020, 5, 5, 0, 0),
'extensions': '00 00'
}
check = ESNICheck("example.com")
with patch("esnicheck.check.ESNICheck.dns_lookup") as mock_dns:
mock_dns.side_effect = [
(False, "Error"),
(True,
b"/wFAca5pACQAHQAg/wJCen8ikwzbG8WEPaXqBqD+PnYAF07MA/JEmRbCmVYAAhMBAQQAAAAAXqjDgAAAAABesKyAAAA="
)
]
assert (False, "Error", {}) == check.has_dns()
assert (True, None, output_valid) == check.has_dns()
def has_esni(hostname):
esni = ESNICheck(hostname)
(tls13, tls13_output) = esni.has_tls13()
(dns, error, dns_output) = esni.has_dns()
(host_ip, is_host_cf) = esni.is_cloudflare()
result = dict()
result["tls13"] = {}
result["tls13"]["enabled"] = True if tls13 else False
result["tls13"]["output"] = tls13_output
result["dns"] = {}
result["dns"]["enabled"] = True if dns else False
result["dns"]["output"] = dns_output
result["dns"]["error"] = error
result["hostname"] = hostname
result["has_esni"] = esni.has_esni()
result["host_ip"] = host_ip
result["is_host_cf"] = is_host_cf
return result