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fix: [Crawler] detect splash connection to proxy error
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Terrtia
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commit
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4 changed files with 43 additions and 22 deletions
19
HOWTO.md
19
HOWTO.md
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@ -102,20 +102,23 @@ Crawler
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---------------------
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In AIL, you can crawl hidden services.
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two types of configutation [explaination for what]:
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1) use local Splash dockers (use the same host for Splash servers and AIL)
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2) use remote Splash servers
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There is two type of installation. You can install a *local* or a *remote* Splash server. If you install a local Splash server, the Splash and AIL host are the same.
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- (Splash host) Launch ``crawler_hidden_services_install.sh`` to install all requirement (type ``y`` if a localhost splah server is used)
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- (Splash host) Setup your tor proxy[is already installed]:
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Install/Configure and launch all crawler scripts:
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- *(Splash host)* Launch ``crawler_hidden_services_install.sh`` to install all requirement (type ``y`` if a localhost splah server is used or use ``-y`` option)
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- *(Splash host)* Install/Setup your tor proxy:
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- Install the tor proxy: ``sudo apt-get install tor -y``
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(The tor proxy is installed by default in AIL. If you use the same host for the Splash server, you don't need to intall it)
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- Add the following line in ``/etc/tor/torrc: SOCKSPolicy accept 172.17.0.0/16``
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(for a linux docker, the localhost IP is 172.17.0.1; Should be adapted for other platform)
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- Restart the tor proxy: ``sudo service tor restart``
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- (Splash host) Launch all Splash servers with: ``sudo ./bin/torcrawler/launch_splash_crawler.sh [-f <config absolute_path>] [-p <port_start>] [-n <number_of_splash>]``
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all the Splash dockers are launched inside the ``Docker_Splash`` screen. You can use ``sudo screen -r Docker_Splash`` to connect to the screen session and check all Splash servers status.
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- *(Splash host)* Launch all Splash servers with: ``sudo ./bin/torcrawler/launch_splash_crawler.sh [-f <config absolute_path>] [-p <port_start>] [-n <number_of_splash>]``
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All Splash dockers are launched inside the ``Docker_Splash`` screen. You can use ``sudo screen -r Docker_Splash`` to connect to the screen session and check all Splash servers status.
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- (AIL host) Edit the ``/bin/packages/config.cfg`` file:
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- *(AIL host)* Edit the ``/bin/packages/config.cfg`` file:
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- In the crawler section, set ``activate_crawler`` to ``True``
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- Change the IP address of Splash servers if needed (remote only)
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- Set ``splash_onion_port`` according to your Splash servers port numbers who are using the tor proxy. those ports numbers should be described as a single port (ex: 8050) or a port range (ex: 8050-8052 for 8050,8051,8052 ports).
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@ -18,6 +18,12 @@ from pubsublogger import publisher
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def signal_handler(sig, frame):
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sys.exit(0)
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def on_error_send_message_back_in_queue(type_hidden_service, domain, message):
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# send this msg back in the queue
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if not r_onion.sismember('{}_domain_crawler_queue'.format(type_hidden_service), domain):
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r_onion.sadd('{}_domain_crawler_queue'.format(type_hidden_service), domain)
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r_onion.sadd('{}_crawler_queue'.format(type_hidden_service), message)
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def crawl_onion(url, domain, date, date_month, message):
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#if not r_onion.sismember('full_onion_up', domain) and not r_onion.sismember('onion_down:'+date , domain):
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@ -30,15 +36,11 @@ def crawl_onion(url, domain, date, date_month, message):
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except Exception:
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## FIXME: # TODO: relaunch docker or send error message
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# send this msg back in the queue
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if not r_onion.sismember('{}_domain_crawler_queue'.format(type_hidden_service), domain):
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r_onion.sadd('{}_domain_crawler_queue'.format(type_hidden_service), domain)
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r_onion.sadd('{}_crawler_queue'.format(type_hidden_service), message)
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on_error_send_message_back_in_queue(type_hidden_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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exit(0)
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exit(1)
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if r.status_code == 200:
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process = subprocess.Popen(["python", './torcrawler/tor_crawler.py', splash_url, type_hidden_service, url, domain, paste, super_father],
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@ -47,15 +49,26 @@ def crawl_onion(url, domain, date, date_month, message):
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time.sleep(1)
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if process.returncode == 0:
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# onion up
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print(process.stdout.read())
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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_hidden_service, domain, message)
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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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exit(-2)
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else:
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print(process.stdout.read())
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exit(0)
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exit(-1)
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else:
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## FIXME: # TODO: relaunch docker
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exit(0)
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on_error_send_message_back_in_queue(type_hidden_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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exit(1)
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if __name__ == '__main__':
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@ -110,12 +110,16 @@ class TorSplashCrawler():
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def parse(self,response):
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#print(response.headers)
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#print(response.status)
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print(' | ')
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if response.status == 504:
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# down ?
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print('504 detected')
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elif response.status != 200:
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print('other: {}'.format(response.status))
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#print('other: {}'.format(response.status))
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#print(error_log)
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#detect connection to proxy refused
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error_log = (json.loads(response.body.decode()))
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if(error_log['info']['text'] == 'Connection to proxy refused'):
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print('Connection to proxy refused')
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else:
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UUID = self.domains[0]+str(uuid.uuid4())
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@ -39,4 +39,5 @@ for ((i=0;i<=$((${n} - 1));i++)); do
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port_number=$((${p} + $i))
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screen -S "Docker_Splash" -X screen -t "docker_splash:$port_number" bash -c 'sudo docker run -p '$port_number':8050 --cpus=1 -v '$f':/etc/splash/proxy-profiles/ --net="bridge" scrapinghub/splash; read x'
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sleep 0.1
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echo " Splash server launched on port $port_number"
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done
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