mirror of https://github.com/CIRCL/AIL-framework
158 lines
4.9 KiB
Python
Executable File
158 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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The Tracker_Term Module
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===================
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"""
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##################################
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# Import External packages
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##################################
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import os
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import sys
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import time
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import signal
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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.ConfigLoader import ConfigLoader
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from lib.objects.Items import Item
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from packages import Term
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from lib import Tracker
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from exporter.MailExporter import MailExporterTracker
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from exporter.WebHookExporter import WebHookExporterTracker
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class TimeoutException(Exception):
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pass
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def timeout_handler(signum, frame):
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raise TimeoutException
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signal.signal(signal.SIGALRM, timeout_handler)
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class Tracker_Term(AbstractModule):
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"""
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Tracker_Term module for AIL framework
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"""
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def __init__(self, queue=True):
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super(Tracker_Term, self).__init__(queue=queue)
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config_loader = ConfigLoader()
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self.pending_seconds = 5
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self.max_execution_time = config_loader.get_config_int('Tracker_Term', "max_execution_time")
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# loads tracked words
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self.list_tracked_words = Term.get_tracked_words_list()
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self.last_refresh_word = time.time()
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self.set_tracked_words_list = Term.get_set_tracked_words_list()
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self.last_refresh_set = time.time()
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# Exporter
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self.exporters = {'mail': MailExporterTracker(),
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'webhook': WebHookExporterTracker()}
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self.redis_logger.info(f"Module: {self.module_name} Launched")
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def compute(self, item_id, item_content=None):
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# refresh Tracked term
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if self.last_refresh_word < Term.get_tracked_term_last_updated_by_type('word'):
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self.list_tracked_words = Term.get_tracked_words_list()
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self.last_refresh_word = time.time()
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self.redis_logger.debug('Tracked word refreshed')
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print('Tracked word refreshed')
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if self.last_refresh_set < Term.get_tracked_term_last_updated_by_type('set'):
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self.set_tracked_words_list = Term.get_set_tracked_words_list()
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self.last_refresh_set = time.time()
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self.redis_logger.debug('Tracked set refreshed')
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print('Tracked set refreshed')
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# Cast message as Item
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item = Item(item_id)
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if not item_content:
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item_content = item.get_content()
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signal.alarm(self.max_execution_time)
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dict_words_freq = None
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try:
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dict_words_freq = Term.get_text_word_frequency(item_content)
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except TimeoutException:
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self.redis_logger.warning(f"{item.get_id()} processing timeout")
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else:
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signal.alarm(0)
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if dict_words_freq:
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# create token statistics
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# for word in dict_words_freq:
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# Term.create_token_statistics(item_date, word, dict_words_freq[word])
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# check solo words
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# ###### # TODO: check if source needed #######
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for word in self.list_tracked_words:
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if word in dict_words_freq:
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self.new_term_found(word, 'word', item)
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# check words set
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for elem in self.set_tracked_words_list:
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list_words = elem[0]
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nb_words_threshold = elem[1]
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word_set = elem[2]
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nb_uniq_word = 0
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for word in list_words:
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if word in dict_words_freq:
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nb_uniq_word += 1
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if nb_uniq_word >= nb_words_threshold:
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self.new_term_found(word_set, 'set', item)
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def new_term_found(self, tracker_name, tracker_type, item):
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uuid_list = Tracker.get_tracker_uuid_list(tracker_name, tracker_type)
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item_id = item.get_id()
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item_source = item.get_source()
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for tracker_uuid in uuid_list:
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tracker = Tracker.Tracker(tracker_uuid)
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# Source Filtering
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tracker_sources = tracker.get_sources()
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if tracker_sources and item_source not in tracker_sources:
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continue
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print(f'new tracked term found: {tracker_name} in {item_id}')
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self.redis_logger.warning(f'new tracked term found: {tracker_name} in {item_id}')
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# TODO
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Tracker.add_tracked_item(tracker_uuid, item_id)
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# Tags
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for tag in tracker.get_tags():
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msg = f'{tag};{item_id}'
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self.add_message_to_queue(msg, 'Tags')
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# Mail
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if tracker.mail_export():
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# TODO add matches + custom subjects
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self.exporters['mail'].export(tracker, item)
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# Webhook
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if tracker.webhook_export():
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self.exporters['webhook'].export(tracker, item)
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if __name__ == '__main__':
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module = Tracker_Term()
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module.run()
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