AIL-framework/bin/feeder/pystemon-feeder.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# This file is part of AIL framework - Analysis Information Leak framework
#
# This a simple feeder script feeding data from pystemon to AIL.
#
# Don't forget to set your pystemonpath and ensure that the
# configuration matches this script. Default is Redis DB 10.
#
# https://github.com/cvandeplas/pystemon/blob/master/pystemon.yaml#L16
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Copyright (c) 2014 Alexandre Dulaunoy - a@foo.be
import zmq
import random
import sys
import time
import redis
import base64
import os
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import configparser
configfile = os.path.join(os.environ['AIL_BIN'], 'packages/config.cfg')
if not os.path.exists(configfile):
raise Exception('Unable to find the configuration file. \
Did you set environment variables? \
Or activate the virtualenv.')
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cfg = configparser.ConfigParser()
cfg.read(configfile)
if cfg.has_option("ZMQ_Global", "bind"):
zmq_url = cfg.get("ZMQ_Global", "bind")
else:
zmq_url = "tcp://127.0.0.1:5556"
pystemonpath = cfg.get("Directories", "pystemonpath")
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pastes_directory = cfg.get("Directories", "pastes")
pastes_directory = os.path.join(os.environ['AIL_HOME'], pastes_directory)
base_sleeptime = 0.01
sleep_inc = 0
context = zmq.Context()
socket = context.socket(zmq.PUB)
socket.bind(zmq_url)
# check https://github.com/cvandeplas/pystemon/blob/master/pystemon.yaml#L16
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r = redis.StrictRedis(host='localhost', db=10, decode_responses=True)
# 101 pastes processed feed
# 102 raw pastes feed
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topic = '102'
while True:
time.sleep(base_sleeptime + sleep_inc)
paste = r.lpop("pastes")
if paste is None:
continue
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try:
print(paste)
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with open(pystemonpath+paste, 'rb') as f: #.read()
messagedata = f.read()
path_to_send = os.path.join(pastes_directory,paste)
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s = b' '.join( [ topic.encode(), path_to_send.encode(), base64.b64encode(messagedata) ] )
socket.send(s)
sleep_inc = sleep_inc-0.01 if sleep_inc-0.01 > 0 else 0
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except IOError as e:
# file not found, could be a buffering issue -> increase sleeping time
print('IOError: Increasing sleep time')
sleep_inc += 0.5
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continue