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AIL-framework
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AIL-framework/bin/crawlers/Crawler.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import sys
import time
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from modules.abstract_module import AbstractModule
from lib import crawlers
from lib.ConfigLoader import ConfigLoader
from lib.objects.Domains import Domain
from lib.objects import Screenshots
class Crawler(AbstractModule):
def __init__(self):
super(Crawler, self, ).__init__(logger_channel='Crawler')
# Waiting time in seconds between to message processed
self.pending_seconds = 1
config_loader = ConfigLoader()
self.r_log_submit = config_loader.get_redis_conn('Redis_Log_submit')
self.default_har = config_loader.get_config_boolean('Crawler', 'default_har')
self.default_screenshot = config_loader.get_config_boolean('Crawler', 'default_screenshot')
self.default_depth_limit = config_loader.get_config_int('Crawler', 'default_depth_limit')
# TODO: LIMIT MAX NUMBERS OF CRAWLED PAGES
# update hardcoded blacklist
crawlers.load_blacklist()
# update captures cache
crawlers.reload_crawler_captures()
# LACUS
self.lacus = crawlers.get_lacus()
# Capture
self.har = None
self.screenshot = None
self.root_item = None
self.har_dir = None
self.items_dir = None
self.domain = None
# Send module state to logs
self.redis_logger.info('Crawler initialized')
def print_crawler_start_info(self, url, domain, domain_url):
print()
print()
print('\033[92m------------------START CRAWLER------------------\033[0m')
print(f'crawler type: {domain}')
print('\033[92m-------------------------------------------------\033[0m')
print(f'url: {url}')
print(f'domain: {domain}')
print(f'domain_url: {domain_url}')
print()
def get_message(self):
# Check if a new Capture can be Launched
if crawlers.get_nb_crawler_captures() < crawlers.get_crawler_max_captures():
task_row = crawlers.get_crawler_task_from_queue()
if task_row:
print(task_row)
task_uuid, priority = task_row
self.enqueue_capture(task_uuid, priority)
# Check if a Capture is Done
capture = crawlers.get_crawler_capture()
if capture:
print(capture)
capture_uuid = capture[0][0]
capture_status = self.lacus.get_capture_status(capture_uuid)
if capture_status != crawlers.CaptureStatus.DONE: # TODO ADD GLOBAL TIMEOUT-> Save start time
crawlers.update_crawler_capture(capture_uuid)
print(capture_uuid, capture_status, int(time.time()))
else:
self.compute(capture_uuid)
crawlers.remove_crawler_capture(capture_uuid)
print('capture', capture_uuid, 'completed')
time.sleep(self.pending_seconds)
def enqueue_capture(self, task_uuid, priority):
task = crawlers.get_crawler_task(task_uuid)
print(task)
# task = {
# 'uuid': task_uuid,
# 'url': 'https://foo.be',
# 'domain': 'foo.be',
# 'depth': 1,
# 'har': True,
# 'screenshot': True,
# 'user_agent': crawlers.get_default_user_agent(),
# 'cookiejar': [],
# 'header': '',
# 'proxy': 'force_tor',
# 'parent': 'manual',
# }
url = task['url']
force = priority != 0
# TODO unpack cookiejar
# TODO HEADER
capture_uuid = self.lacus.enqueue(url=url,
depth=task['depth'],
user_agent=task['user_agent'],
proxy=task['proxy'],
cookies=[],
force=force,
general_timeout_in_sec=90)
crawlers.add_crawler_capture(task_uuid, capture_uuid)
print(task_uuid, capture_uuid, 'launched')
return capture_uuid
# CRAWL DOMAIN
# TODO: CATCH ERRORS
def compute(self, capture_uuid):
print('saving capture', capture_uuid)
task_uuid = crawlers.get_crawler_capture_task_uuid(capture_uuid)
task = crawlers.get_crawler_task(task_uuid)
print(task['domain'])
self.domain = Domain(task['domain'])
# TODO CHANGE EPOCH
epoch = int(time.time())
parent_id = task['parent']
print(task)
entries = self.lacus.get_capture(capture_uuid)
print(entries['status'])
self.har = task['har']
self.screenshot = task['screenshot']
str_date = crawlers.get_current_date(separator=True)
self.har_dir = crawlers.get_date_har_dir(str_date)
self.items_dir = crawlers.get_date_crawled_items_source(str_date)
self.root_item = None
# Save Capture
self.save_capture_response(parent_id, entries)
self.domain.update_daterange(str_date.replace('/', ''))
# Origin + History
if self.root_item:
# domain.add_ports(port)
self.domain.set_last_origin(parent_id)
self.domain.add_history(epoch, root_item=self.root_item)
elif self.domain.was_up():
self.domain.add_history(epoch, root_item=epoch)
crawlers.update_last_crawled_domain(self.domain.get_domain_type(), self.domain.id, epoch)
crawlers.clear_crawler_task(task_uuid, self.domain.get_domain_type())
def save_capture_response(self, parent_id, entries):
print(entries.keys())
if 'error' in entries:
# TODO IMPROVE ERROR MESSAGE
self.redis_logger.warning(str(entries['error']))
print(entries['error'])
if entries.get('html'):
print('retrieved content')
# print(entries.get('html'))
# TODO LOGS IF != domain
if 'last_redirected_url' in entries and entries['last_redirected_url']:
last_url = entries['last_redirected_url']
unpacked_last_url = crawlers.unpack_url(last_url)
current_domain = unpacked_last_url['domain']
# REDIRECTION TODO CHECK IF WEB
if current_domain != self.domain.id and not self.root_item:
self.redis_logger.warning(f'External redirection {self.domain.id} -> {current_domain}')
print(f'External redirection {self.domain.id} -> {current_domain}')
if not self.root_item:
self.domain = Domain(current_domain)
# TODO LAST URL
# FIXME
else:
last_url = f'http://{self.domain.id}'
if 'html' in entries and entries['html']:
item_id = crawlers.create_item_id(self.items_dir, self.domain.id)
print(item_id)
gzip64encoded = crawlers.get_gzipped_b64_item(item_id, entries['html'])
# send item to Global
relay_message = f'{item_id} {gzip64encoded}'
self.send_message_to_queue(relay_message, 'Mixer')
# increase nb of paste by feeder name
self.r_log_submit.hincrby('mixer_cache:list_feeder', 'crawler', 1)
# Tag
msg = f'infoleak:submission="crawler";{item_id}'
self.send_message_to_queue(msg, 'Tags')
crawlers.create_item_metadata(item_id, self.domain.id, last_url, parent_id)
if self.root_item is None:
self.root_item = item_id
parent_id = item_id
# SCREENSHOT
if self.screenshot:
if 'png' in entries and entries['png']:
screenshot = Screenshots.create_screenshot(entries['png'], b64=False)
if screenshot:
# Create Correlations
screenshot.add_correlation('item', '', item_id)
screenshot.add_correlation('domain', '', self.domain.id)
# HAR
if self.har:
if 'har' in entries and entries['har']:
crawlers.save_har(self.har_dir, item_id, entries['har'])
# Next Children
entries_children = entries.get('children')
if entries_children:
for children in entries_children:
self.save_capture_response(parent_id, children)
if __name__ == '__main__':
module = Crawler()
module.debug = True
# module.compute(('ooooo', 0))
module.run()
##################################
##################################
##################################
##################################
##################################
# from Helper import Process
# from pubsublogger import publisher
# ======== FUNCTIONS ========
# def update_auto_crawler():
# current_epoch = int(time.time())
# list_to_crawl = redis_crawler.zrangebyscore('crawler_auto_queue', '-inf', current_epoch)
# for elem_to_crawl in list_to_crawl:
# mess, type = elem_to_crawl.rsplit(';', 1)
# redis_crawler.sadd('{}_crawler_priority_queue'.format(type), mess)
# redis_crawler.zrem('crawler_auto_queue', elem_to_crawl)
# Extract info form url (url, domain, domain url, ...)
# def unpack_url(url):
# to_crawl = {}
# faup.decode(url)
# url_unpack = faup.get()
# to_crawl['domain'] = to_crawl['domain'].lower()
# new_url_host = url_host.lower()
# url_lower_case = url.replace(url_host, new_url_host, 1)
#
# if url_unpack['scheme'] is None:
# to_crawl['scheme'] = 'http'
# url= 'http://{}'.format(url_lower_case)
# else:
# try:
# scheme = url_unpack['scheme'].decode()
# except Exception as e:
# scheme = url_unpack['scheme']
# if scheme in default_proto_map:
# to_crawl['scheme'] = scheme
# url = url_lower_case
# else:
# redis_crawler.sadd('new_proto', '{} {}'.format(scheme, url_lower_case))
# to_crawl['scheme'] = 'http'
# url= 'http://{}'.format(url_lower_case.replace(scheme, '', 1))
#
# if url_unpack['port'] is None:
# to_crawl['port'] = default_proto_map[to_crawl['scheme']]
# else:
# try:
# port = url_unpack['port'].decode()
# except:
# port = url_unpack['port']
# # Verify port number #################### make function to verify/correct port number
# try:
# int(port)
# # Invalid port Number
# except Exception as e:
# port = default_proto_map[to_crawl['scheme']]
# to_crawl['port'] = port
#
# #if url_unpack['query_string'] is None:
# # if to_crawl['port'] == 80:
# # to_crawl['url']= '{}://{}'.format(to_crawl['scheme'], url_unpack['host'].decode())
# # else:
# # to_crawl['url']= '{}://{}:{}'.format(to_crawl['scheme'], url_unpack['host'].decode(), to_crawl['port'])
# #else:
# # to_crawl['url']= '{}://{}:{}{}'.format(to_crawl['scheme'], url_unpack['host'].decode(), to_crawl['port'], url_unpack['query_string'].decode())
#
# to_crawl['url'] = url
# if to_crawl['port'] == 80:
# to_crawl['domain_url'] = '{}://{}'.format(to_crawl['scheme'], new_url_host)
# else:
# to_crawl['domain_url'] = '{}://{}:{}'.format(to_crawl['scheme'], new_url_host, to_crawl['port'])
#
# try:
# to_crawl['tld'] = url_unpack['tld'].decode()
# except:
# to_crawl['tld'] = url_unpack['tld']
#
# return to_crawl
# ##################################################### add ftp ???
# update_auto_crawler()
# # add next auto Crawling in queue:
# if to_crawl['paste'] == 'auto':
# redis_crawler.zadd('crawler_auto_queue', int(time.time()+crawler_config['crawler_options']['time']) , '{};{}'.format(to_crawl['original_message'], to_crawl['type_service']))
# # update list, last auto crawled domains
# redis_crawler.lpush('last_auto_crawled', '{}:{};{}'.format(url_data['domain'], url_data['port'], date['epoch']))
# redis_crawler.ltrim('last_auto_crawled', 0, 9)
#
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