def is_blocked(self, ip):
headers = {
"Host" : self.host
}
blocked = True
result = http.get_request(host=ip, path=self.path, headers=headers, ssl=True)
body = None
if 'response' in result:
if 'body' in result['response']:
body = result['response']['body']
elif 'body.b64' in result['response']:
body = base64.b64decode(result["response"]["body.b64"])
else:
raise Exception("HTTP GET result did not return a body.")
else:
raise Exception("HTTP GET results didn't contain a response.")
blocked = SEARCH_STRING not in body
result["blocked"] = blocked
self.results.append(result)
return blocked
def is_blocked(self, ip):
headers = {"Host": self.host}
blocked = True
result = http.get_request(host=ip,
path=self.path,
headers=headers,
ssl=True)
body = None
if 'response' in result:
if 'body' in result['response']:
body = result['response']['body']
elif 'body.b64' in result['response']:
body = base64.b64decode(result["response"]["body.b64"])
else:
raise Exception("HTTP GET result did not return a body.")
else:
raise Exception("HTTP GET results didn't contain a response.")
blocked = SEARCH_STRING not in body
result["blocked"] = blocked
self.results.append(result)
return blocked
def is_blocked(self, ip):
headers = {"Host": self.host}
blocked = True
try:
result = http.get_request(ip, self.path, headers, ssl=True)
blocked = SEARCH_STRING not in result["response"]["body"]
result["blocked"] = blocked
except Exception as err:
result["blocked"] = str(err)
self.results.append(result)
return blocked
def is_blocked(self, ip):
headers = {
"Host" : self.host
}
blocked = True
try:
result = http.get_request(ip, self.path, headers, ssl=True)
blocked = SEARCH_STRING not in result["response"]["body"]
result["blocked"] = blocked
except Exception as err:
result["blocked"] = str(err)
self.results.append(result)
return blocked
def http_request(self):
result = http.get_request(self.host, self.path)
self.results.append(result)
def run_file(self, input_file):
file_name, file_contents = input_file
# Initialize the results for this input file.
# This can be anything from file name to version
# to any useful information.
result = {'file_name': file_name}
http_results = {}
tls_results = {}
dns_results = {}
traceroute_results = {}
url_metadata_results = {}
file_metadata = {}
file_comments = []
# each pcap file is stored in a separate file
# designated by a number. the indexes are stored
# in the json file and the pcap files are stored
# with their indexes as file names.
pcap_results = {}
pcap_indexes = {}
url_index = 0
index_row = None
comments = ""
# we may want to make this threaded and concurrent
csvreader = csv.reader(file_contents, delimiter=',', quotechar='"')
for row in csvreader:
"""
First few lines are expected to be comments in key: value
format. The first line after that could be our column header
row, starting with "url", and the rest are data rows.
This is a sample input file we're trying to parse:
# comment: Global List,,,,,
# date: 03-17-2015,,,,,
# version: 1,,,,,
# description: This is the global list. Last updated in 2012.,,,,
url,country,category,description,rationale,provider
http://8thstreetlatinas.com,glo,P**N,,,PRIV
http://abpr2.railfan.net,glo,MISC,Pictures of trains,,PRIV
"""
# parse file comments, if it looks like "key : value",
# parse it as a key-value pair. otherwise, just
# store it as a raw comment.
if row[0][0] == '#':
row = row[0][1:].strip()
if len(row.split(':')) > 1:
key, value = row.split(':', 1)
key = key.strip()
value = value.strip()
file_metadata[key] = value
else:
file_comments.append(row)
continue
# detect the header row and store it
# it is usually the first row and starts with "url,"
if row[0].strip().lower() == "url":
index_row = row
continue
url = row[0].strip()
if url is None:
continue
meta = row[1:]
url_index = url_index + 1
http_ssl = False
ssl_port = 443
http_path = '/'
# parse the URL to extract netlocation, HTTP path, domain name,
# and HTTP method (SSL or plain)
try:
urlparse_object = urlparse.urlparse(url)
http_netloc = urlparse_object.netloc
# if netloc is not urlparse-able, add // to the start
# of URL
if http_netloc == '':
urlparse_object = urlparse.urlparse('//%s' % (url))
http_netloc = urlparse_object.netloc
domain_name = http_netloc.split(':')[0]
http_path = urlparse_object.path
if http_path == '':
http_path = '/'
# we assume scheme is either empty, or "http", or "https"
# other schemes (e.g. "ftp") are out of the scope of this
# measuremnt
if urlparse_object.scheme == "https":
http_ssl = True
if len(http_netloc.split(':')) == 2:
ssl_port = http_netloc.split(':')[1]
except Exception as exp:
logging.warning("%s: failed to parse URL: %s" % (url, exp))
http_netloc = url
http_ssl = False
ssl_port = 443
http_path = '/'
domain_name = url
# start tcpdump
td = Tcpdump()
tcpdump_started = False
try:
if self.record_pcaps:
td.start()
tcpdump_started = True
logging.info("%s: tcpdump started..." % (url))
# wait for tcpdump to initialize
time.sleep(1)
except Exception as exp:
logging.warning("%s: tcpdump failed: %s" % (url, exp))
# HTTP GET
logging.info("%s: HTTP" % (url))
try:
http_results[url] = http.get_request(http_netloc,
http_path,
ssl=http_ssl)
except Exception as exp:
logging.warning("%s: HTTP test failed: %s" % (url, exp))
http_results[url] = {"exception": str(exp)}
# TLS certificate
# this will only work if the URL starts with https://
if http_ssl:
try:
tls_result = {}
logging.info("%s: TLS certificate" % (domain_name))
fingerprint, cert = tls.get_fingerprint(
domain_name, ssl_port)
tls_result['port'] = ssl_port
tls_result['fingerprint'] = fingerprint
tls_result['cert'] = cert
tls_results[domain_name] = tls_result
except Exception as exp:
logging.warning(
"%s: TLS certfiticate download failed: %s" %
(domain_name, exp))
tls_results[domain_name] = {"exception": str(exp)}
# DNS Lookup
logging.info("%s: DNS" % (domain_name))
try:
dns_results[domain_name] = dnslib.lookup_domain(domain_name)
except Exception as exp:
logging.warning("%s: DNS lookup failed: %s" %
(domain_name, exp))
dns_results[domain_name] = {"exception": str(exp)}
# Traceroute
for method in self.traceroute_methods:
try:
logging.info("%s: Traceroute (%s)" %
(domain_name, method.upper()))
traceroute_results[domain_name] = traceroute.traceroute(
domain_name, method=method)
except Exception as exp:
logging.warning("%s: Traceroute (%s) failed: %s" %
(domain_name, method.upper(), exp))
traceroute_results[domain_name] = {"exception": str(exp)}
# end tcpdump
if tcpdump_started:
logging.info("%s: waiting for tcpdump..." % (url))
# 2 seconds should be enough.
time.sleep(2)
td.stop()
logging.info("%s: tcpdump stopped." % (url))
pcap_indexes[url] = '%s-%s.pcap' % (file_name,
format(url_index, '04'))
pcap_results[pcap_indexes[url]] = td.pcap()
# Meta-data
url_metadata_results[url] = meta
result["http"] = http_results
result["tls"] = tls_results
result["dns"] = dns_results
result["traceroute"] = traceroute_results
# if we have an index row, we should turn URL metadata
# into dictionaries
if index_row is not None:
indexed_url_metadata = {}
for url, meta in url_metadata_results.items():
try:
indexed_meta = {}
for i in range(1, len(index_row)):
indexed_meta[index_row[i]] = meta[i - 1]
indexed_url_metadata[url] = indexed_meta
except:
indexed_url_metadata[url] = indexed_meta
continue
url_metadata_results = indexed_url_metadata
result["url_metadata"] = url_metadata_results
result["file_metadata"] = file_metadata
result["file_comments"] = file_comments
if self.record_pcaps:
result['pcap_indexes'] = pcap_indexes
self.external_results = dict(self.external_results.items() +
pcap_results.items())
return result
def run_file(self, input_file):
file_name, file_contents = input_file
# Initialize the results for this input file.
# This can be anything from file name to version
# to any useful information.
result = {}
result["file_name"] = file_name
http_results = {}
tls_results = {}
dns_results = {}
traceroute_results = {}
url_metadata_results = {}
file_metadata = {}
file_comments = []
# each pcap file is stored in a separate file
# designated by a number. the indexes are stored
# in the json file and the pcap files are stored
# with their indexes as file names.
pcap_results = {}
pcap_indexes = {}
url_index = 0
index_row = None
comments = ""
# we may want to make this threaded and concurrent
csvreader = csv.reader(file_contents, delimiter=',', quotechar='"')
for row in csvreader:
"""
First few lines are expected to be comments in key: value
format. The first line after that could be our column header
row, starting with "url", and the rest are data rows.
This is a sample input file we're trying to parse:
# comment: Global List,,,,,
# date: 03-17-2015,,,,,
# version: 1,,,,,
# description: This is the global list. Last updated in 2012.,,,,
url,country,category,description,rationale,provider
http://8thstreetlatinas.com,glo,P**N,,,PRIV
http://abpr2.railfan.net,glo,MISC,Pictures of trains,,PRIV
"""
# parse file comments, if it looks like "key : value",
# parse it as a key-value pair. otherwise, just
# store it as a raw comment.
if row[0][0] == '#':
row = row[0][1:].strip()
if len(row.split(':')) > 1:
key, value = row.split(':', 1)
key = key.strip()
value = value.strip()
file_metadata[key] = value
else:
file_comments.append(row)
continue
# detect the header row and store it
# it is usually the first row and starts with "url,"
if row[0].strip().lower() == "url":
index_row = row
continue
url = row[0].strip()
if url is None:
continue
meta = row[1:]
url_index = url_index + 1
http_ssl = False
ssl_port = 443
http_path = '/'
# parse the URL to extract netlocation, HTTP path, domain name,
# and HTTP method (SSL or plain)
try:
urlparse_object = urlparse.urlparse(url)
http_netloc = urlparse_object.netloc
# if netloc is not urlparse-able, add // to the start
# of URL
if http_netloc == '':
urlparse_object = urlparse.urlparse('//%s' % (url))
http_netloc = urlparse_object.netloc
domain_name = http_netloc.split(':')[0]
http_path = urlparse_object.path
if http_path == '':
http_path = '/'
# we assume scheme is either empty, or "http", or "https"
# other schemes (e.g. "ftp") are out of the scope of this
# measuremnt
if urlparse_object.scheme == "https":
http_ssl = True
if len(http_netloc.split(':')) == 2:
ssl_port = http_netloc.split(':')[1]
except Exception as exp:
logging.warning("%s: failed to parse URL: %s" % (url, exp))
http_netloc = url
http_ssl = False
ssl_port = 443
http_path = '/'
domain_name = url
# start tcpdump
td = Tcpdump()
tcpdump_started = False
try:
if self.record_pcaps:
td.start()
tcpdump_started = True
logging.info("%s: tcpdump started..." % (url))
# wait for tcpdump to initialize
time.sleep(1)
except Exception as exp:
logging.warning("%s: tcpdump failed: %s" % (url, exp))
# HTTP GET
logging.info("%s: HTTP" % (url))
try:
http_results[url] = http.get_request(http_netloc,
http_path,
ssl=http_ssl)
except Exception as exp:
logging.info("%s: HTTP test failed: %s" %
(url, exp))
http_results[url] = { "exception" : str(exp) }
# TLS certificate
# this will only work if the URL starts with https://
if http_ssl:
try:
tls_result = {}
logging.info("%s: TLS certificate" %
(domain_name))
fingerprint, cert = tls.get_fingerprint(domain_name, ssl_port)
tls_result['port'] = ssl_port
tls_result['fingerprint'] = fingerprint
tls_result['cert'] = cert
tls_results[domain_name] = tls_result
except Exception as exp:
logging.info("%s: TLS certfiticate download failed: %s" %
(domain_name, exp))
tls_results[domain_name] = { "exception" : str(exp) }
# DNS Lookup
logging.info("%s: DNS" % (domain_name))
try:
dns_results[domain_name] = dnslib.lookup_domain(domain_name)
except Exception as exp:
logging.info("%s: DNS lookup failed: %s" %
(domain_name, exp))
dns_results[domain_name] = { "exception" : str(exp) }
# Traceroute
for method in self.traceroute_methods:
try:
logging.info("%s: Traceroute (%s)"
% (domain_name, method.upper()))
traceroute_results[domain_name] = traceroute.traceroute(
domain_name, method=method)
except Exception as exp:
logging.info("%s: Traceroute (%s) failed: %s" %
(domain_name, method.upper(), exp))
traceroute_results[domain_name] = {
"exception" : str(exp) }
# end tcpdump
if tcpdump_started:
logging.info("%s: waiting for tcpdump..." % (url))
# 2 seconds should be enough.
time.sleep(2)
td.stop()
logging.info("%s: tcpdump stopped." % (url))
pcap_indexes[url] = '%s-%s.pcap' % (file_name,
format(url_index, '04'))
pcap_results[pcap_indexes[url]] = td.pcap()
# Meta-data
url_metadata_results[url] = meta
result["http"] = http_results
result["tls"] = tls_results
result["dns"] = dns_results
result["traceroute"] = traceroute_results
# if we have an index row, we should turn URL metadata
# into dictionaries
if index_row is not None:
indexed_url_metadata = {}
for url, meta in url_metadata_results.items():
try:
indexed_meta = {}
for i in range(1,len(index_row)):
indexed_meta[index_row[i]] = meta[i - 1]
indexed_url_metadata[url] = indexed_meta
except:
indexed_url_metadata[url] = indexed_meta
continue
url_metadata_results = indexed_url_metadata
result["url_metadata"] = url_metadata_results
result["file_metadata"] = file_metadata
result["file_comments"] = file_comments
if self.record_pcaps:
result['pcap_indexes'] = pcap_indexes
self.external_results = dict(self.external_results.items() +
pcap_results.items())
return result
def http_request(self):
result = http.get_request(self.host, self.path)
self.results.append(result)
