Ahenk/opt/ahenk/plugins/firewall/policy.py

60 lines
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Python
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author:Mine DOGAN <mine.dogan@agem.com.tr>
import json
import os
from base.plugin.abstract_plugin import AbstractPlugin
class FirewallRules(AbstractPlugin):
def __init__(self, profile_data, context):
super(FirewallRules, self).__init__()
self.profile_data = profile_data
self.context = context
self.logger = self.get_logger()
self.message_code = self.get_message_code()
self.parameters = json.loads(self.profile_data)
self.plugin_path = os.path.abspath(os.path.join(os.path.dirname(__file__)))
self.rules = self.parameters['rules']
self.temp_file_name = str(self.generate_uuid())
self.file_path = '{0}{1}'.format(str(self.Ahenk.received_dir_path()), self.temp_file_name)
self.initial_rules_file_path = self.plugin_path + '/iptables.rules'
self.logger.debug('[FIREWALL] Parameters were initialized.')
def handle_policy(self):
try:
if not self.is_exist(self.initial_rules_file_path):
self.logger.debug('[FIREWALL] Export initial rules to a temporary file...')
self.execute('/sbin/iptables-save > {}'.format(self.initial_rules_file_path))
self.logger.debug('[FIREWALL] Writing rules to temporary file...')
self.write_file(self.file_path, '{0}{1}'.format(self.rules, '\n'))
self.logger.debug('[FIREWALL] Adding temp file to iptables-restore as parameter...')
result_code, p_out, p_err = self.execute('/sbin/iptables-restore < {}'.format(self.file_path))
if p_err != '':
raise Exception(p_err)
self.logger.debug('[FIREWALL] Save the rules...')
self.execute('service netfilter-persistent save')
self.logger.debug('[FIREWALL] Restart the service...')
self.execute('service netfilter-persistent restart')
self.context.create_response(code=self.message_code.POLICY_PROCESSED.value,
message='Güvenlik Duvarı kuralları başarıyla kaydedildi.')
self.logger.info('[FIREWALL] Firewall policy is handled successfully')
except Exception as e:
self.logger.error(
'[FIREWALL] A problem occured while handling Firewall policy: {0}'.format(str(e)))
self.context.create_response(code=self.message_code.POLICY_ERROR.value,
message='Güvenlik Duvarı profili uygulanırken bir hata oluştu: ' + str(e))
def handle_policy(profile_data, context):
set_rules = FirewallRules(profile_data, context)
set_rules.handle_policy()