141 lines
5.1 KiB
Python
Executable File
141 lines
5.1 KiB
Python
Executable File
import paho.mqtt.subscribe as subscribe
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import paho.mqtt.publish as publish
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import subprocess
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import argparse
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import requests
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import json
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import sys
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import os
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import logging
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class CurrentClients:
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def __init__(self, args):
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with open(args.dyn_sec_conf, "r") as file:
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data = json.load(file)
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self.active_clients_list = [client["username"] for client in data["clients"]]
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self.active_clients_pids = {}
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self.venv_path = sys.prefix
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for username in self.active_clients_list:
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if username.endswith("_ase"):
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self.start_client(username, args)
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logging.info(f"Init start client for {username}")
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def list(self):
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return self.active_clients_list
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def pids(self):
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return self.active_clients_pids
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def add(self, client, args):
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self.active_clients_list.append(client)
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self.start_client(client, args) if client.endswith("_ase") else None
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def remove(self, client):
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self.active_clients_list.remove(client)
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self.stop_client(client) if client.endswith("_ase") else None
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def start_client(self, client, args):
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process = subprocess.Popen(
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[f'{self.venv_path}/bin/python3', args.ase_receiver, f'--client={client}'],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True
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)
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'''
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for line in process.stdout:
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logging.info(f"Subtask stdout: {line.strip()}")
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for line in process.stderr:
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logging.error(f"Subtask stderr: {line.strip()}")
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'''
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self.active_clients_pids[client] = process.pid
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logging.info(f"Started process for {client}, PID: {process.pid}")
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def stop_client(self, client):
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logging.info(f"Terminating process for {client} (PID: {self.active_clients_pids[client]})")
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os.kill(self.active_clients_pids[client], 9)
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def get_client_list(args, auth):
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publish.single(args.pub_topic, '{"commands":[{"command":"listClients"}]}', hostname=args.host, port=args.port, auth=auth)
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def create_client(datas, userdata):
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get_client_list(userdata['args'], userdata['auth'])
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def delete_client(datas, userdata):
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get_client_list(userdata['args'], userdata['auth'])
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def list_clients(datas, userdata):
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list_clients = datas['responses'][0]['data']['clients']
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delta_clients_add = set(list_clients) - set(userdata['cur_clients'].list())
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[userdata['cur_clients'].add(item, userdata['args']) for item in delta_clients_add]
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delta_clients_del = set(userdata['cur_clients'].list()) - set(list_clients)
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[userdata['cur_clients'].remove(item) for item in delta_clients_del]
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def ctrl_client_mod(client, userdata, message):
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command_functions = {
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"createClient": create_client,
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"deleteClient": delete_client,
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"listClients": list_clients,
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}
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datas = json.loads(message.payload)
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target_commands = {"createClient", "deleteClient", "listClients"}
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found_command = [item["command"] for item in datas['responses'] if item["command"] in target_commands]
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if found_command:
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command_functions[found_command[0]](datas, userdata)
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def get_credentials(args):
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url = args.wallet + "get"
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data = {
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"master_password": os.getenv('WALLET_MASTER_PASSWORD'),
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"site": "mqtt_control"
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}
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response = requests.post(url, json=data)
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if response.status_code != 200:
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logging.error(f"Error to get pwd from wallet.")
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exit(1)
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return response.json().get('password')
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('-H', '--host', default="mqtt")
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parser.add_argument('-t', '--sub_topic', default="$CONTROL/dynamic-security/v1/response")
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parser.add_argument('-T', '--pub_topic', default="$CONTROL/dynamic-security/v1")
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parser.add_argument('-q', '--qos', type=int,default=1)
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parser.add_argument('-u', '--username', default="admin")
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parser.add_argument('-w', '--wallet', default="http://localhost:5000/")
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parser.add_argument('-P', '--port', type=int, default=1883)
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parser.add_argument('-L', '--log_level', choices=['DEBUG', 'INFO', 'WARNING', 'ERROR'], default='INFO')
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parser.add_argument('-s', '--dyn_sec_conf', default='./dynamic-security.json')
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parser.add_argument('-r', '--ase_receiver', default='./subscribe_ase_receiver.py')
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args = parser.parse_args()
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logging.basicConfig(
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format="- PID: %(process)d %(levelname)8s: %(message)s ",
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level=args.log_level
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)
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auth = {'username': args.username, 'password': get_credentials(args)}
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cur_clients = CurrentClients(args)
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userdata = {'args': args, 'cur_clients': cur_clients, 'auth': auth}
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try:
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subscribe.callback(ctrl_client_mod, hostname=args.host, port=args.port,
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topics=args.sub_topic,
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auth=auth, userdata=userdata)
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except (KeyboardInterrupt, Exception) as e:
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logging.info("Terminating: ....")
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for client in cur_clients.list():
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cur_clients.stop_client(client) if client.endswith("_ase") else None
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if __name__ == "__main__":
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main() |