mirror of https://github.com/CIRCL/AIL-framework
460 lines
19 KiB
Python
Executable File
460 lines
19 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 sys
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import re
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import uuid
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import json
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import redis
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import datetime
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import time
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import subprocess
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import requests
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from collections import deque
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from pyfaup.faup import Faup
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sys.path.append(os.environ['AIL_BIN'])
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from Helper import Process
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from pubsublogger import publisher
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib'))
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import crawlers
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# ======== FUNCTIONS ========
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def load_blacklist(service_type):
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try:
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with open(os.environ['AIL_BIN']+'/torcrawler/blacklist_{}.txt'.format(service_type), 'r') as f:
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redis_crawler.delete('blacklist_{}'.format(service_type))
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lines = f.read().splitlines()
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for line in lines:
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redis_crawler.sadd('blacklist_{}'.format(service_type), line)
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except Exception:
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pass
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def update_auto_crawler():
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current_epoch = int(time.time())
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list_to_crawl = redis_crawler.zrangebyscore('crawler_auto_queue', '-inf', current_epoch)
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for elem_to_crawl in list_to_crawl:
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mess, type = elem_to_crawl.rsplit(';', 1)
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redis_crawler.sadd('{}_crawler_priority_queue'.format(type), mess)
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redis_crawler.zrem('crawler_auto_queue', elem_to_crawl)
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# Extract info form url (url, domain, domain url, ...)
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def unpack_url(url):
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to_crawl = {}
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faup.decode(url)
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url_unpack = faup.get()
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# # FIXME: # TODO: remove me
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try:
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to_crawl['domain'] = url_unpack['domain'].decode()
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except:
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to_crawl['domain'] = url_unpack['domain']
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to_crawl['domain'] = to_crawl['domain'].lower()
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# force lower case domain/subdomain (rfc4343)
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# # FIXME: # TODO: remove me
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try:
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url_host = url_unpack['host'].decode()
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except:
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url_host = url_unpack['host']
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new_url_host = url_host.lower()
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url_lower_case = url.replace(url_host, new_url_host, 1)
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if url_unpack['scheme'] is None:
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to_crawl['scheme'] = 'http'
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url= 'http://{}'.format(url_lower_case)
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else:
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# # FIXME: # TODO: remove me
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try:
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scheme = url_unpack['scheme'].decode()
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except Exception as e:
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scheme = url_unpack['scheme']
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if scheme in default_proto_map:
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to_crawl['scheme'] = scheme
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url = url_lower_case
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else:
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redis_crawler.sadd('new_proto', '{} {}'.format(scheme, url_lower_case))
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to_crawl['scheme'] = 'http'
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url= 'http://{}'.format(url_lower_case.replace(scheme, '', 1))
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if url_unpack['port'] is None:
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to_crawl['port'] = default_proto_map[to_crawl['scheme']]
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else:
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# # FIXME: # TODO: remove me
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try:
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port = url_unpack['port'].decode()
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except:
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port = url_unpack['port']
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# Verify port number #################### make function to verify/correct port number
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try:
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int(port)
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# Invalid port Number
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except Exception as e:
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port = default_proto_map[to_crawl['scheme']]
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to_crawl['port'] = port
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#if url_unpack['query_string'] is None:
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# if to_crawl['port'] == 80:
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# to_crawl['url']= '{}://{}'.format(to_crawl['scheme'], url_unpack['host'].decode())
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# else:
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# to_crawl['url']= '{}://{}:{}'.format(to_crawl['scheme'], url_unpack['host'].decode(), to_crawl['port'])
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#else:
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# to_crawl['url']= '{}://{}:{}{}'.format(to_crawl['scheme'], url_unpack['host'].decode(), to_crawl['port'], url_unpack['query_string'].decode())
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to_crawl['url'] = url
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if to_crawl['port'] == 80:
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to_crawl['domain_url'] = '{}://{}'.format(to_crawl['scheme'], new_url_host)
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else:
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to_crawl['domain_url'] = '{}://{}:{}'.format(to_crawl['scheme'], new_url_host, to_crawl['port'])
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# # FIXME: # TODO: remove me
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try:
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to_crawl['tld'] = url_unpack['tld'].decode()
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except:
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to_crawl['tld'] = url_unpack['tld']
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return to_crawl
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def get_crawler_config(redis_server, mode, service_type, domain, url=None):
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crawler_options = {}
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if mode=='auto':
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config = redis_server.get('crawler_config:{}:{}:{}:{}'.format(mode, service_type, domain, url))
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else:
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config = redis_server.get('crawler_config:{}:{}:{}'.format(mode, service_type, domain))
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if config is None:
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config = {}
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else:
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config = json.loads(config)
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for option in default_crawler_config:
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if option in config:
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crawler_options[option] = config[option]
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else:
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crawler_options[option] = default_crawler_config[option]
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if mode == 'auto':
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crawler_options['time'] = int(config['time'])
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elif mode == 'manual':
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redis_server.delete('crawler_config:{}:{}:{}'.format(mode, service_type, domain))
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return crawler_options
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def load_crawler_config(queue_type, service_type, domain, paste, url, date):
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crawler_config = {}
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crawler_config['splash_url'] = f'http://{splash_url}'
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crawler_config['item'] = paste
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crawler_config['service_type'] = service_type
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crawler_config['domain'] = domain
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crawler_config['date'] = date
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if queue_type and queue_type != 'tor':
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service_type = queue_type
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# Auto and Manual Crawling
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# Auto ################################################# create new entry, next crawling => here or when ended ?
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if paste == 'auto':
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crawler_config['crawler_options'] = get_crawler_config(redis_crawler, 'auto', service_type, domain, url=url)
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crawler_config['requested'] = True
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# Manual
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elif paste == 'manual':
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crawler_config['crawler_options'] = get_crawler_config(r_cache, 'manual', service_type, domain)
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crawler_config['requested'] = True
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# default crawler
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else:
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crawler_config['crawler_options'] = get_crawler_config(redis_crawler, 'default', service_type, domain)
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crawler_config['requested'] = False
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return crawler_config
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def is_domain_up_day(domain, type_service, date_day):
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if redis_crawler.sismember('{}_up:{}'.format(type_service, date_day), domain):
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return True
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else:
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return False
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def set_crawled_domain_metadata(type_service, date, domain, father_item):
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# first seen
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if not redis_crawler.hexists('{}_metadata:{}'.format(type_service, domain), 'first_seen'):
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redis_crawler.hset('{}_metadata:{}'.format(type_service, domain), 'first_seen', date['date_day'])
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redis_crawler.hset('{}_metadata:{}'.format(type_service, domain), 'paste_parent', father_item)
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# last check
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redis_crawler.hset('{}_metadata:{}'.format(type_service, domain), 'last_check', date['date_day'])
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# Put message back on queue
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def on_error_send_message_back_in_queue(type_service, domain, message):
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if not redis_crawler.sismember('{}_domain_crawler_queue'.format(type_service), domain):
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redis_crawler.sadd('{}_domain_crawler_queue'.format(type_service), domain)
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redis_crawler.sadd('{}_crawler_priority_queue'.format(type_service), message)
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def crawl_onion(url, domain, port, type_service, message, crawler_config):
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crawler_config['url'] = url
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crawler_config['port'] = port
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print('Launching Crawler: {}'.format(url))
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'crawling_domain', domain)
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'started_time', datetime.datetime.now().strftime("%Y/%m/%d - %H:%M.%S"))
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retry = True
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nb_retry = 0
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while retry:
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try:
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r = requests.get(f'http://{splash_url}' , timeout=30.0)
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retry = False
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except Exception:
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# TODO: relaunch docker or send error message
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nb_retry += 1
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if nb_retry == 2:
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crawlers.restart_splash_docker(splash_url)
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if nb_retry == 6:
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on_error_send_message_back_in_queue(type_service, domain, message)
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publisher.error('{} SPASH DOWN'.format(splash_url))
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print('--------------------------------------')
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print(' \033[91m DOCKER SPLASH DOWN\033[0m')
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print(' {} DOWN'.format(splash_url))
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'SPLASH DOWN')
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nb_retry == 0
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print(' \033[91m DOCKER SPLASH NOT AVAILABLE\033[0m')
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print(' Retry({}) in 10 seconds'.format(nb_retry))
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time.sleep(10)
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if r.status_code == 200:
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'Crawling')
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# save config in cash
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UUID = str(uuid.uuid4())
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r_cache.set('crawler_request:{}'.format(UUID), json.dumps(crawler_config))
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process = subprocess.Popen(["python", './torcrawler/tor_crawler.py', UUID],
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stdout=subprocess.PIPE)
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while process.poll() is None:
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time.sleep(1)
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if process.returncode == 0:
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output = process.stdout.read().decode()
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print(output)
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# error: splash:Connection to proxy refused
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if 'Connection to proxy refused' in output:
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on_error_send_message_back_in_queue(type_service, domain, message)
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publisher.error('{} SPASH, PROXY DOWN OR BAD CONFIGURATION'.format(splash_url))
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print('------------------------------------------------------------------------')
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print(' \033[91m SPLASH: Connection to proxy refused')
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print('')
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print(' PROXY DOWN OR BAD CONFIGURATION\033[0m'.format(splash_url))
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print('------------------------------------------------------------------------')
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'Error')
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exit(-2)
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else:
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crawlers.update_splash_manager_connection_status(True)
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else:
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print(process.stdout.read())
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exit(-1)
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else:
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on_error_send_message_back_in_queue(type_service, domain, message)
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print('--------------------------------------')
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print(' \033[91m DOCKER SPLASH DOWN\033[0m')
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print(' {} DOWN'.format(splash_url))
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'Crawling')
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exit(1)
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# check external links (full_crawl)
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def search_potential_source_domain(type_service, domain):
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external_domains = set()
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for link in redis_crawler.smembers('domain_{}_external_links:{}'.format(type_service, domain)):
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# unpack url
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url_data = unpack_url(link)
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if url_data['domain'] != domain:
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if url_data['tld'] == 'onion' or url_data['tld'] == 'i2p':
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external_domains.add(url_data['domain'])
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# # TODO: add special tag ?
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if len(external_domains) >= 20:
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redis_crawler.sadd('{}_potential_source'.format(type_service), domain)
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print('New potential source found: domain')
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redis_crawler.delete('domain_{}_external_links:{}'.format(type_service, domain))
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if __name__ == '__main__':
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if len(sys.argv) != 2:
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print('usage:', 'Crawler.py', 'splash_url')
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exit(1)
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##################################################
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splash_url = sys.argv[1]
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splash_name = crawlers.get_splash_name_by_url(splash_url)
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proxy_type = crawlers.get_splash_proxy(splash_name)
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print(splash_name)
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print(proxy_type)
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#rotation_mode = deque(['onion', 'regular'])
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all_crawler_queues = crawlers.get_crawler_queue_types_by_splash_name(splash_name)
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rotation_mode = deque(all_crawler_queues)
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print(rotation_mode)
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default_proto_map = {'http': 80, 'https': 443}
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######################################################## add ftp ???
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publisher.port = 6380
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publisher.channel = "Script"
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publisher.info("Script Crawler started")
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config_section = 'Crawler'
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# Setup the I/O queues
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p = Process(config_section)
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print('splash url: {}'.format(splash_url))
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PASTES_FOLDER = os.path.join(os.environ['AIL_HOME'], p.config.get("Directories", "pastes"))
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r_serv_metadata = redis.StrictRedis(
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host=p.config.get("ARDB_Metadata", "host"),
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port=p.config.getint("ARDB_Metadata", "port"),
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db=p.config.getint("ARDB_Metadata", "db"),
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decode_responses=True)
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r_cache = redis.StrictRedis(
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host=p.config.get("Redis_Cache", "host"),
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port=p.config.getint("Redis_Cache", "port"),
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db=p.config.getint("Redis_Cache", "db"),
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decode_responses=True)
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redis_crawler = redis.StrictRedis(
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host=p.config.get("ARDB_Onion", "host"),
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port=p.config.getint("ARDB_Onion", "port"),
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db=p.config.getint("ARDB_Onion", "db"),
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decode_responses=True)
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faup = Faup()
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# get HAR files
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default_crawler_har = p.config.getboolean("Crawler", "default_crawler_har")
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if default_crawler_har:
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default_crawler_har = True
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else:
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default_crawler_har = False
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# get PNG files
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default_crawler_png = p.config.getboolean("Crawler", "default_crawler_png")
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if default_crawler_png:
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default_crawler_png = True
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else:
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default_crawler_png = False
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# Default crawler options
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default_crawler_config = {'html': True,
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'har': default_crawler_har,
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'png': default_crawler_png,
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'depth_limit': p.config.getint("Crawler", "crawler_depth_limit"),
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'closespider_pagecount': p.config.getint("Crawler", "default_crawler_closespider_pagecount"),
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'cookiejar_uuid': None,
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'user_agent': p.config.get("Crawler", "default_crawler_user_agent")}
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# Track launched crawler
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r_cache.sadd('all_splash_crawlers', splash_url)
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'Waiting')
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'started_time', datetime.datetime.now().strftime("%Y/%m/%d - %H:%M.%S"))
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# update hardcoded blacklist
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load_blacklist('onion')
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load_blacklist('regular')
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while True:
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update_auto_crawler()
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rotation_mode.rotate()
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to_crawl = crawlers.get_elem_to_crawl_by_queue_type(rotation_mode)
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if to_crawl:
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url_data = unpack_url(to_crawl['url'])
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# remove domain from queue
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redis_crawler.srem('{}_domain_crawler_queue'.format(to_crawl['type_service']), url_data['domain'])
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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('crawler type: {}'.format(to_crawl['type_service']))
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print('\033[92m-------------------------------------------------\033[0m')
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print('url: {}'.format(url_data['url']))
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print('domain: {}'.format(url_data['domain']))
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print('domain_url: {}'.format(url_data['domain_url']))
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print()
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# Check blacklist
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if not redis_crawler.sismember('blacklist_{}'.format(to_crawl['type_service']), url_data['domain']):
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date = {'date_day': datetime.datetime.now().strftime("%Y%m%d"),
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'date_month': datetime.datetime.now().strftime("%Y%m"),
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'epoch': int(time.time())}
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# Update crawler status type
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r_cache.hset('metadata_crawler:{}'.format(splash_url), 'type', to_crawl['type_service'])
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crawler_config = load_crawler_config(to_crawl['queue_type'], to_crawl['type_service'], url_data['domain'], to_crawl['paste'], to_crawl['url'], date)
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# check if default crawler
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if not crawler_config['requested']:
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# Auto crawl only if service not up this month
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if redis_crawler.sismember('month_{}_up:{}'.format(to_crawl['type_service'], date['date_month']), url_data['domain']):
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continue
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set_crawled_domain_metadata(to_crawl['type_service'], date, url_data['domain'], to_crawl['paste'])
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#### CRAWLER ####
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# Manual and Auto Crawler
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if crawler_config['requested']:
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######################################################crawler strategy
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# CRAWL domain
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crawl_onion(url_data['url'], url_data['domain'], url_data['port'], to_crawl['type_service'], to_crawl['original_message'], crawler_config)
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# Default Crawler
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else:
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# CRAWL domain
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crawl_onion(url_data['domain_url'], url_data['domain'], url_data['port'], to_crawl['type_service'], to_crawl['original_message'], crawler_config)
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#if url != domain_url and not is_domain_up_day(url_data['domain'], to_crawl['type_service'], date['date_day']):
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# crawl_onion(url_data['url'], url_data['domain'], to_crawl['original_message'])
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# Save last_status day (DOWN)
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if not is_domain_up_day(url_data['domain'], to_crawl['type_service'], date['date_day']):
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redis_crawler.sadd('{}_down:{}'.format(to_crawl['type_service'], date['date_day']), url_data['domain'])
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# if domain was UP at least one time
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if redis_crawler.exists('crawler_history_{}:{}:{}'.format(to_crawl['type_service'], url_data['domain'], url_data['port'])):
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# add crawler history (if domain is down)
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if not redis_crawler.zrangebyscore('crawler_history_{}:{}:{}'.format(to_crawl['type_service'], url_data['domain'], url_data['port']), date['epoch'], date['epoch']):
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# Domain is down
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redis_crawler.zadd('crawler_history_{}:{}:{}'.format(to_crawl['type_service'], url_data['domain'], url_data['port']), int(date['epoch']), int(date['epoch']))
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############################
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# extract page content
|
|
############################
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|
|
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# update list, last crawled domains
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|
redis_crawler.lpush('last_{}'.format(to_crawl['type_service']), '{}:{};{}'.format(url_data['domain'], url_data['port'], date['epoch']))
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|
redis_crawler.ltrim('last_{}'.format(to_crawl['type_service']), 0, 15)
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|
|
|
#update crawler status
|
|
r_cache.hset('metadata_crawler:{}'.format(splash_url), 'status', 'Waiting')
|
|
r_cache.hdel('metadata_crawler:{}'.format(splash_url), 'crawling_domain')
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|
|
|
# Update crawler status type
|
|
r_cache.hdel('metadata_crawler:{}'.format(splash_url), 'type', to_crawl['type_service'])
|
|
|
|
# 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']))
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|
redis_crawler.ltrim('last_auto_crawled', 0, 9)
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else:
|
|
print(' Blacklisted Domain')
|
|
print()
|
|
print()
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|
|
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else:
|
|
time.sleep(1)
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