def compare_dns_experiments(self, experiment_dns_answers):
if self.control['dns']['failure'] is not None and \
self.control['dns']['failure'] == self.report['dns_experiment_failure']:
self.report['dns_consistency'] = 'consistent'
return True
control_addrs = set(self.control['dns']['addrs'])
experiment_addrs = set(experiment_dns_answers)
if control_addrs == experiment_addrs:
return True
for experiment_addr in experiment_addrs:
if is_public_ipv4_address(experiment_addr) is False:
return False
if len(control_addrs.intersection(experiment_addrs)) > 0:
return True
experiment_asns = set(map(lambda x: geoip.ip_to_location(x)['asn'],
experiment_addrs))
control_asns = set(map(lambda x: geoip.ip_to_location(x)['asn'],
control_addrs))
# Remove the instance of AS0 when we fail to find the ASN
control_asns.discard('AS0')
experiment_asns.discard('AS0')
if len(control_asns.intersection(experiment_asns)) > 0:
return True
return False
def is_facebook_ip(ip_address):
"""
:return: True when the IP in questions belongs to the facebook ASN
"""
try:
location = ip_to_location(ip_address)
return location['asn'] == 'AS32934'
except:
return False
def is_facebook_ip(ip_address):
"""
:return: True when the IP in questions belongs to the facebook ASN
"""
try:
location = ip_to_location(ip_address)
return location['asn'] == 'AS32934'
except:
return False
def test_ip_to_location(self):
location = geoip.ip_to_location('8.8.8.8')
assert 'countrycode' in location
assert 'asn' in location
assert 'city' in location
