mirror of https://github.com/CIRCL/AIL-framework
336 lines
13 KiB
Python
Executable File
336 lines
13 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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import os
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import logging.config
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import sys
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import time
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from requests.exceptions import ConnectionError
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from modules.abstract_module import AbstractModule
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from lib import ail_logger
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from lib import crawlers
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from lib.ConfigLoader import ConfigLoader
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from lib.objects import CookiesNames
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from lib.objects import Etags
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from lib.objects.Domains import Domain
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from lib.objects.Items import Item
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from lib.objects import Screenshots
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from lib.objects import Titles
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from trackers.Tracker_Yara import Tracker_Yara
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logging.config.dictConfig(ail_logger.get_config(name='crawlers'))
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class Crawler(AbstractModule):
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def __init__(self):
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super(Crawler, self, ).__init__()
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self.logger = logging.getLogger(f'{self.__class__.__name__}')
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# Waiting time in seconds between to message processed
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self.pending_seconds = 1
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self.tracker_yara = Tracker_Yara(queue=False)
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config_loader = ConfigLoader()
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self.default_har = config_loader.get_config_boolean('Crawler', 'default_har')
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self.default_screenshot = config_loader.get_config_boolean('Crawler', 'default_screenshot')
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self.default_depth_limit = config_loader.get_config_int('Crawler', 'default_depth_limit')
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# TODO: LIMIT MAX NUMBERS OF CRAWLED PAGES
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# update hardcoded blacklist
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crawlers.load_blacklist()
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# update captures cache
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crawlers.reload_crawler_captures()
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self.crawler_scheduler = crawlers.CrawlerScheduler()
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# LACUS
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self.lacus = crawlers.get_lacus()
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self.is_lacus_up = crawlers.is_lacus_connected(delta_check=0)
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# Capture
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self.har = None
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self.screenshot = None
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self.root_item = None
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self.date = None
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self.items_dir = None
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self.original_domain = None
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self.domain = None
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# TODO Replace with warning list ???
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self.placeholder_screenshots = {'07244254f73e822bd4a95d916d8b27f2246b02c428adc29082d09550c6ed6e1a' # blank
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'27e14ace10b0f96acd2bd919aaa98a964597532c35b6409dff6cc8eec8214748', # not found
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'3e66bf4cc250a68c10f8a30643d73e50e68bf1d4a38d4adc5bfc4659ca2974c0'} # 404
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# Send module state to logs
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self.logger.info('Crawler initialized')
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def refresh_lacus_status(self):
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try:
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lacus_up = self.is_lacus_up
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self.is_lacus_up = crawlers.get_lacus().is_up
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# refresh lacus
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if not lacus_up and self.is_lacus_up:
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self.lacus = crawlers.get_lacus()
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except:
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self.is_lacus_up = False
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if not self.is_lacus_up:
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print("Can't reach lacus server", int(time.time()))
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time.sleep(30)
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def print_crawler_start_info(self, url, domain_url):
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print()
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print()
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print('\033[92m------------------START CRAWLER------------------\033[0m')
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print(f'crawler type: {self.domain}')
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print('\033[92m-------------------------------------------------\033[0m')
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print(f'url: {url}')
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print(f'domain: {self.domain}')
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print(f'domain_url: {domain_url}')
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print()
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def get_message(self):
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# Crawler Scheduler
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self.crawler_scheduler.update_queue()
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self.crawler_scheduler.process_queue()
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self.refresh_lacus_status() # TODO LOG ERROR
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if not self.is_lacus_up:
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return None
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# Check if a new Capture can be Launched
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if crawlers.get_nb_crawler_captures() < crawlers.get_crawler_max_captures():
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task_row = crawlers.add_task_to_lacus_queue()
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if task_row:
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task_uuid, priority = task_row
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try:
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self.enqueue_capture(task_uuid, priority)
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except ConnectionError:
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print(task_row)
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task = crawlers.CrawlerTask(task_uuid)
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task.add_to_db_crawler_queue(priority)
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self.refresh_lacus_status()
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return None
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# Get CrawlerCapture Object
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capture = crawlers.get_crawler_capture()
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if capture:
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try:
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status = self.lacus.get_capture_status(capture.uuid)
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if status == crawlers.CaptureStatus.DONE:
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return capture
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elif status == crawlers.CaptureStatus.UNKNOWN:
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capture_start = capture.get_start_time(r_str=False)
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if int(time.time()) - capture_start > 600: # TODO ADD in new crawler config
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task = capture.get_task()
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task.reset()
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capture.delete()
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else:
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capture.update(status)
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else:
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capture.update(status)
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print(capture.uuid, crawlers.CaptureStatus(status).name, int(time.time()))
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except ConnectionError:
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print(capture.uuid)
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capture.update(self, -1)
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self.refresh_lacus_status()
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time.sleep(self.pending_seconds)
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def enqueue_capture(self, task_uuid, priority):
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task = crawlers.CrawlerTask(task_uuid)
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# print(task)
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# task = {
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# 'uuid': task_uuid,
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# 'url': 'https://foo.be',
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# 'domain': 'foo.be',
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# 'depth': 1,
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# 'har': True,
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# 'screenshot': True,
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# 'user_agent': crawlers.get_default_user_agent(),
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# 'cookiejar': [],
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# 'header': '',
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# 'proxy': 'force_tor',
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# 'parent': 'manual',
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# }
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url = task.get_url()
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force = priority != 0
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# TODO timeout
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# TODO HEADER
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# capture_uuid = self.lacus.enqueue(url='https://cpg.circl.lu:7000',
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# force=force,
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# general_timeout_in_sec=120)
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capture_uuid = self.lacus.enqueue(url=url,
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depth=task.get_depth(),
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user_agent=task.get_user_agent(),
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proxy=task.get_proxy(),
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cookies=task.get_cookies(),
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force=force,
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general_timeout_in_sec=90) # TODO increase timeout if onion ????
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crawlers.create_capture(capture_uuid, task_uuid)
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print(task.uuid, capture_uuid, 'launched')
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return capture_uuid
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# CRAWL DOMAIN
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def compute(self, capture):
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print('saving capture', capture.uuid)
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task = capture.get_task()
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domain = task.get_domain()
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print(domain)
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self.domain = Domain(domain)
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self.original_domain = Domain(domain)
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epoch = int(time.time())
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parent_id = task.get_parent()
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entries = self.lacus.get_capture(capture.uuid)
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print(entries.get('status'))
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self.har = task.get_har()
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self.screenshot = task.get_screenshot()
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# DEBUG
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# self.har = True
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# self.screenshot = True
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self.date = crawlers.get_current_date(separator=True)
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self.items_dir = crawlers.get_date_crawled_items_source(self.date)
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self.root_item = None
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# Save Capture
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self.save_capture_response(parent_id, entries)
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self.domain.update_daterange(self.date.replace('/', ''))
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# Origin + History + tags
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if self.root_item:
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self.domain.set_last_origin(parent_id)
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# Tags
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for tag in task.get_tags():
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self.domain.add_tag(tag)
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self.domain.add_history(epoch, root_item=self.root_item)
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if self.domain != self.original_domain:
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self.original_domain.update_daterange(self.date.replace('/', ''))
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if self.root_item:
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self.original_domain.set_last_origin(parent_id)
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# Tags
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for tag in task.get_tags():
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self.domain.add_tag(tag)
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self.original_domain.add_history(epoch, root_item=self.root_item)
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crawlers.update_last_crawled_domain(self.original_domain.get_domain_type(), self.original_domain.id, epoch)
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crawlers.update_last_crawled_domain(self.domain.get_domain_type(), self.domain.id, epoch)
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print('capture:', capture.uuid, 'completed')
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print('task: ', task.uuid, 'completed')
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print()
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task.remove()
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def save_capture_response(self, parent_id, entries):
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print(entries.keys())
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if 'error' in entries:
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# TODO IMPROVE ERROR MESSAGE
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self.logger.warning(str(entries['error']))
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print(entries.get('error'))
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if entries.get('html'):
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print('retrieved content')
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# print(entries.get('html'))
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if 'last_redirected_url' in entries and entries.get('last_redirected_url'):
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last_url = entries['last_redirected_url']
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unpacked_last_url = crawlers.unpack_url(last_url)
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current_domain = unpacked_last_url['domain']
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# REDIRECTION TODO CHECK IF TYPE CHANGE
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if current_domain != self.domain.id and not self.root_item:
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self.logger.warning(f'External redirection {self.domain.id} -> {current_domain}')
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print(f'External redirection {self.domain.id} -> {current_domain}')
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if not self.root_item:
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self.domain = Domain(current_domain)
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# TODO LAST URL
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# FIXME
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else:
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last_url = f'http://{self.domain.id}'
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if 'html' in entries and entries.get('html'):
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item_id = crawlers.create_item_id(self.items_dir, self.domain.id)
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print(item_id)
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gzip64encoded = crawlers.get_gzipped_b64_item(item_id, entries['html'])
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# send item to Global
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relay_message = f'crawler {item_id} {gzip64encoded}'
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self.add_message_to_queue(relay_message, 'Importers')
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# Tag
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msg = f'infoleak:submission="crawler";{item_id}'
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self.add_message_to_queue(msg, 'Tags')
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crawlers.create_item_metadata(item_id, last_url, parent_id)
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if self.root_item is None:
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self.root_item = item_id
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parent_id = item_id
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item = Item(item_id)
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title_content = crawlers.extract_title_from_html(entries['html'])
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if title_content:
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title = Titles.create_title(title_content)
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title.add(item.get_date(), item_id)
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# Tracker
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self.tracker_yara.compute(title.get_id(), obj_type=title.get_type())
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if not title.is_tags_safe():
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unsafe_tag = 'dark-web:topic="pornography-child-exploitation"'
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self.domain.add_tag(unsafe_tag)
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item.add_tag(unsafe_tag)
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# SCREENSHOT
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if self.screenshot:
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if 'png' in entries and entries.get('png'):
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screenshot = Screenshots.create_screenshot(entries['png'], b64=False)
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if screenshot:
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if not screenshot.is_tags_safe():
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unsafe_tag = 'dark-web:topic="pornography-child-exploitation"'
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self.domain.add_tag(unsafe_tag)
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item.add_tag(unsafe_tag)
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# Remove Placeholder pages # TODO Replace with warning list ???
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if screenshot.id not in self.placeholder_screenshots:
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# Create Correlations
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screenshot.add_correlation('item', '', item_id)
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screenshot.add_correlation('domain', '', self.domain.id)
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# HAR
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if self.har:
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if 'har' in entries and entries.get('har'):
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har_id = crawlers.create_har_id(self.date, item_id)
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crawlers.save_har(har_id, entries['har'])
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for cookie_name in crawlers.extract_cookies_names_from_har(entries['har']):
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print(cookie_name)
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cookie = CookiesNames.create(cookie_name)
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cookie.add(self.date.replace('/', ''), self.domain.id)
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for etag_content in crawlers.extract_etag_from_har(entries['har']):
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print(etag_content)
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etag = Etags.create(etag_content)
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etag.add(self.date.replace('/', ''), self.domain.id)
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crawlers.extract_hhhash(entries['har'], self.domain.id, self.date.replace('/', ''))
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# Next Children
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entries_children = entries.get('children')
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if entries_children:
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for children in entries_children:
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self.save_capture_response(parent_id, children)
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if __name__ == '__main__':
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module = Crawler()
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module.debug = True
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module.run()
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