theHarvester/discovery/shodan/stream.py
laramies 973220d3d1 Release 3.0
Added Port scanning, Subdomain takeover, Fixed Shodan, improved Dns bruteforce and added SQLite support to store the results.
2018-08-08 21:34:10 +02:00

123 lines
4.9 KiB
Python

import requests
import json
import ssl
from .exception import APIError
class Stream:
base_url = 'https://stream.shodan.io'
def __init__(self, api_key):
self.api_key = api_key
def _create_stream(self, name, timeout=None):
# The user doesn't want to use a timeout
# If the timeout is specified as 0 then we also don't want to have a timeout
if ( timeout and timeout <= 0 ) or ( timeout == 0 ):
timeout = None
try:
while True:
req = requests.get(self.base_url + name, params={'key': self.api_key}, stream=True, timeout=timeout)
# Status code 524 is special to Cloudflare
# It means that no data was sent from the streaming servers which caused Cloudflare
# to terminate the connection.
#
# We only want to exit if there was a timeout specified or the HTTP status code is
# not specific to Cloudflare.
if req.status_code != 524 or timeout >= 0:
break
except Exception as e:
raise APIError('Unable to contact the Shodan Streaming API')
if req.status_code != 200:
try:
data = json.loads(req.text)
raise APIError(data['error'])
except APIError as e:
raise
except Exception as e:
pass
raise APIError('Invalid API key or you do not have access to the Streaming API')
if req.encoding is None:
req.encoding = 'utf-8'
return req
def _iter_stream(self, stream, raw, timeout=None):
for line in stream.iter_lines(decode_unicode=True):
# The Streaming API sends out heartbeat messages that are newlines
# We want to ignore those messages since they don't contain any data
if line:
if raw:
yield line
else:
yield json.loads(line)
else:
# If the user specified a timeout then we want to keep track of how long we've
# been getting heartbeat messages and exit the loop if it's been too long since
# we've seen any activity.
if timeout:
# TODO: This is a placeholder for now but since the Streaming API added heartbeats it broke
# the ability to use inactivity timeouts (the connection timeout still works). The timeout is
# mostly needed when doing on-demand scans and wanting to temporarily consume data from a
# network alert.
pass
def alert(self, aid=None, timeout=None, raw=False):
if aid:
stream = self._create_stream('/shodan/alert/%s' % aid, timeout=timeout)
else:
stream = self._create_stream('/shodan/alert', timeout=timeout)
try:
for line in self._iter_stream(stream, raw):
yield line
except requests.exceptions.ConnectionError as e:
raise APIError('Stream timed out')
except ssl.SSLError as e:
raise APIError('Stream timed out')
def asn(self, asn, raw=False, timeout=None):
"""
A filtered version of the "banners" stream to only return banners that match the ASNs of interest.
:param asn: A list of ASN to return banner data on.
:type asn: string[]
"""
stream = self._create_stream('/shodan/asn/%s' % ','.join(asn), timeout=timeout)
for line in self._iter_stream(stream, raw):
yield line
def banners(self, raw=False, timeout=None):
"""A real-time feed of the data that Shodan is currently collecting. Note that this is only available to
API subscription plans and for those it only returns a fraction of the data.
"""
stream = self._create_stream('/shodan/banners', timeout=timeout)
for line in self._iter_stream(stream, raw):
yield line
def countries(self, countries, raw=False, timeout=None):
"""
A filtered version of the "banners" stream to only return banners that match the countries of interest.
:param countries: A list of countries to return banner data on.
:type countries: string[]
"""
stream = self._create_stream('/shodan/countries/%s' % ','.join(countries), timeout=timeout)
for line in self._iter_stream(stream, raw):
yield line
def ports(self, ports, raw=False, timeout=None):
"""
A filtered version of the "banners" stream to only return banners that match the ports of interest.
:param ports: A list of ports to return banner data on.
:type ports: int[]
"""
stream = self._create_stream('/shodan/ports/%s' % ','.join([str(port) for port in ports]), timeout=timeout)
for line in self._iter_stream(stream, raw):
yield line