202 lines
6.6 KiB
Python
Executable File
202 lines
6.6 KiB
Python
Executable File
import getopt
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import os
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import sys
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import time
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from os.path import join, dirname
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import yaml
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from dotenv import load_dotenv
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def get_env():
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try:
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dotenv_path = join(dirname(__file__), '.env')
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load_dotenv(dotenv_path)
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if not os.path.isfile(dotenv_path):
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raise Exception(dotenv_path, "file not found")
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# Retrieve url from .env
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discord_url = os.getenv("DISCORD_url")
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ntfy_url = os.getenv("NTFY_url")
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except Exception as err:
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# output error, and return with an error code
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print(str(Exception(err.args)))
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exit(err)
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return discord_url, ntfy_url
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# Set structured timestamp for logging and discord/ntfy message.
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def set_time():
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now_message = time.strftime('%a, %d %b %Y %H:%M:%S')
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now_logging = time.strftime('%Y/%m/%d %H:%M:%S')
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return now_message, now_logging
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# Define paths: wazuh_path = wazuh root directory
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# ar_path = active-responses.log path,
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# config_path = wazuh-notifier-config.yaml
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def set_environment():
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# todo fix reference when running manually/in process
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wazuh_path = "/var/ossec"
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# wazuh_path = os.path.abspath(os.path.join(__file__, "../../.."))
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ar_path = '{0}/logs/active-responses.log'.format(wazuh_path)
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config_path = 'wazuh-notifier-config.yaml'.format(wazuh_path)
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return wazuh_path, ar_path, config_path
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# Import configuration settings from wazuh-notifier-config.yaml
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def import_config():
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try:
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_, _, config_path = set_environment()
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with open(config_path, 'r') as ntfier_config:
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config: dict = yaml.safe_load(ntfier_config)
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return config
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except (FileNotFoundError, PermissionError, OSError):
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return None
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# Show configuration settings from wazuh-notifier-config.yaml
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def view_config():
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_, _, config_path = set_environment()
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try:
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with open(config_path, 'r') as ntfier_config:
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print(ntfier_config.read())
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except (FileNotFoundError, PermissionError, OSError):
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print(config_path + " does not exist or is not accessible")
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return
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# Logging the Wazuh active Response request
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def ar_log():
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now = set_time()
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_, ar_path, _ = set_environment()
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msg = '{0} {1} {2}'.format(now, os.path.realpath(__file__), 'Post JSON Alert')
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f = open(ar_path, 'a')
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f.write(msg + '\n')
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f.close()
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def threat_priority_mapping(threat_level, np_1, np_2, np_3, np_4, np_5):
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# Map threat level v/s priority
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if threat_level in np_1:
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priority_mapping = "1"
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elif threat_level in np_2:
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priority_mapping = "2"
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elif threat_level in np_3:
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priority_mapping = "3"
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elif threat_level in np_4:
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priority_mapping = "4"
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elif threat_level in np_5:
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priority_mapping = "5"
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else:
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priority_mapping = "3"
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return priority_mapping
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def get_yaml_config():
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config = import_config()
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config['np_1'] = "3, 3, 3" if (config.get("notifier_priority_1") is None) else config.get("notifier_priority_1")
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config['np_2'] = "4, 5" if (config.get("notifier_priority_2") is None) else config.get("notifier_priority_2")
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config['np_3'] = "6, 7" if (config.get("notifier_priority_3") is None) else config.get("notifier_priority_3")
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config['np_4'] = "8, 9" if (config.get("notifier_priority_4") is None) else config.get("notifier_priority_4")
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config['np_5'] = "10, 11, 12" if (config.get("notifier_priority_5") is None) else config.get("notifier_priority_5")
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config['targets'] = "ntfy, discord" if (config.get("targets") is None) else config.get("targets")
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config['excluded_rules'] = "" if (config.get("excluded_rules") is None) else config.get("excluded_rules")
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config['excluded_agents'] = "" if (config.get("excluded_agents") is None) else config.get("excluded_agents")
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config['sender'] = "Wazuh (IDS)" if (config.get("sender") is None) else config.get("sender")
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config['click'] = "https://wazuh.org" if (config.get("click") is None) else config.get("click")
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return config
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def get_arguments():
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# Get params during execution. Params found here, override minimal defaults and/or config settings.
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# Short options
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options: str = "u:s:p:m:t:c:hv"
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# Long options
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long_options: list = ["url=", "sender=", "destination=", "priority=", "message=", "tags=", "click=", "help",
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"view"]
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help_text: str = """
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-u, --url is the url for the server, ending with a "/".
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-s, --sender is the sender of the message, either an app name or a person.
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-d, --destination is the NTFY subscription or Discord title, to send the message to.
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-p, --priority is the priority of the message, ranging from 1 (lowest), to 5 (highest).
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-m, --message is the text of the message to be sent.
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-t, --tags is an arbitrary strings of tags (keywords), seperated by a "," (comma).
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-c, --click is a link (URL) that can be followed by tapping/clicking inside the message.
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-h, --help shows this help message. Must have no value argument.
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-v, --view show config.
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"""
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url, sender, destination, message, priority, tags, click = "", "", "", "", "", "", ""
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argument_list: list = sys.argv[1:]
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if not argument_list:
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pass
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else:
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try:
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# Parsing argument
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arguments, values = getopt.getopt(argument_list, options, long_options)
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# checking each argument
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for current_argument, current_value in arguments:
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if current_argument in ("-h", "--help"):
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print(help_text)
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exit()
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elif current_argument in ("-v", "--view"):
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view_config()
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exit()
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elif current_argument in ("-u", "--url"):
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url = current_value
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elif current_argument in ("-s", "--sender"):
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sender = current_value
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elif current_argument in ("-d", "--destination"):
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destination = current_value
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elif current_argument in ("-p", "--priority"):
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priority = current_value
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elif current_argument in ("-m", "--message"):
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message = current_value
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elif current_argument in ("-t", "--tags"):
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tags = current_value
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elif current_argument in ("-c", "--click"):
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click = current_value
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except getopt.error as err:
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# output error, and return with an error code
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print(str(err))
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return url, sender, destination, message, priority, tags, click
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