monutil/rabbitmq.py

#!/usr/bin/python3

# MIT License

# Copyright (c) 2024 Thomas Williams - https://git.server.wales/thomas

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import pika
import ssl
import base64
import config
import log
import datetime
from retrying import retry

class rabbitMQClient:

    def __init__(self, ca, cacert, cakey, rabbitmqHost, rabbitmqPort, routingKey):
       
        self.ca = ca
        self.cacert = cacert
        self.cakey = cakey
        self.rabbitmqHost = rabbitmqHost
        self.rabbitmqPort = rabbitmqPort
        self.routingKey = routingKey

    def publish(self, message):

        @retry(stop_max_attempt_number=3)
        def publishMessage(conn):

            ch = conn.channel()

            ch.basic_publish(exchange='', routing_key=self.routingKey, body=message, properties=pika.BasicProperties(delivery_mode=pika.spec.PERSISTENT_DELIVERY_MODE))

        message = base64.b64encode(message.encode('utf-8'))

        context = ssl.create_default_context(
                cafile=self.ca)
        context.verify_mode = ssl.CERT_REQUIRED
        context.load_cert_chain(self.cacert, self.cakey)

        sslOptions = pika.SSLOptions(context, self.rabbitmqHost)

        connParams = pika.ConnectionParameters(host=self.rabbitmqHost,port=self.rabbitmqPort, ssl_options=sslOptions, credentials=pika.credentials.ExternalCredentials())

        with pika.BlockingConnection(connParams) as conn:

            publishMessage(conn)

    @retry(stop_max_attempt_number=3)
    def retrieve(self):

        def callback(ch, method, properties, body):

            body = base64.b64decode(body)
            body = body.decode('utf-8')
            result = body.split('|')
            
            if result[3] == 'cpumem':

                result[2] = datetime.datetime.strptime(result[2], "%Y-%m-%d %H:%M:%S.%f")
                manager = log.logsManager(config.sqlServer, config.sqlDatabase, config.sqlUsername, config.sqlPassword)
                manager.insertHostLog(result[0], result[1], result[2], result[4], result[5])
                ch.basic_ack(delivery_tag=method.delivery_tag)

            if result[3] == 'url':

                result[2] = datetime.datetime.strptime(result[2], "%Y-%m-%d %H:%M:%S.%f")
                manager = log.logsManager(config.sqlServer, config.sqlDatabase, config.sqlUsername, config.sqlPassword)
                manager.insertURLLog(result[0], result[1], result[2], result[4], result[5])
                ch.basic_ack(delivery_tag=method.delivery_tag)

        context = ssl.create_default_context(
                cafile=self.ca)
        context.verify_mode = ssl.CERT_REQUIRED
        context.load_cert_chain(self.cacert, self.cakey)

        sslOptions = pika.SSLOptions(context, self.rabbitmqHost)

        connParams = pika.ConnectionParameters(host=self.rabbitmqHost,port=self.rabbitmqPort, ssl_options=sslOptions, credentials=pika.credentials.ExternalCredentials())

        connection = pika.BlockingConnection(connParams)
        
        channel = connection.channel()

        channel.basic_consume(queue='monutil', on_message_callback=callback, auto_ack=False)

        channel.start_consuming()