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83 lines
2.7 KiB
83 lines
2.7 KiB
"""RCON client CLI."""
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from argparse import ArgumentParser, Namespace
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from getpass import getpass
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from logging import DEBUG, INFO, basicConfig, getLogger
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from pathlib import Path
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from socket import timeout
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from sys import exit # pylint: disable=W0622
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from typing import Tuple
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from rcon.errorhandler import ErrorHandler
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from rcon.exceptions import InvalidConfig
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from rcon.config import CONFIG_FILE, LOG_FORMAT, Config, servers
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from rcon.exceptions import RequestIdMismatch, WrongPassword
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from rcon.proto import Client
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__all__ = ['get_credentials', 'main']
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ERRORS = (
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(ConnectionRefusedError, 'Connection refused.', 3),
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(timeout, 'Connection timeout.', 4),
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(RequestIdMismatch, 'Unexpected request ID mismatch.', 5),
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(WrongPassword, 'Wrong password.', 6)
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)
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LOGGER = getLogger('rconclt')
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def get_args() -> Namespace:
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"""Parses and returns the CLI arguments."""
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parser = ArgumentParser(description='A Minecraft RCON client.')
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parser.add_argument('server', help='the server to connect to')
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parser.add_argument('-c', '--config', type=Path, metavar='file',
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default=CONFIG_FILE, help='the configuration file')
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parser.add_argument('-d', '--debug', action='store_true',
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help='print additional debug information')
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parser.add_argument('-t', '--timeout', type=float, metavar='seconds',
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help='connection timeout in seconds')
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parser.add_argument('command', help='command to execute on the server')
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parser.add_argument('argument', nargs='*', default=(),
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help='arguments for the command')
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return parser.parse_args()
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def get_credentials(args: Namespace) -> Tuple[str, int, str]:
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"""Get the credentials for a server from the respective server name."""
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try:
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host, port, passwd = Config.from_string(args.server)
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except InvalidConfig:
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try:
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host, port, passwd = servers(args.config)[args.server]
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except KeyError:
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LOGGER.error('No such server: %s.', args.server)
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exit(2)
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if passwd is None:
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try:
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passwd = getpass('Password: ')
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except (KeyboardInterrupt, EOFError):
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print()
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LOGGER.error('Aborted by user.')
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exit(1)
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return (host, port, passwd)
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def main():
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"""Runs the RCON client."""
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args = get_args()
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log_level = DEBUG if args.debug else INFO
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basicConfig(level=log_level, format=LOG_FORMAT)
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host, port, passwd = get_credentials(args)
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with ErrorHandler(ERRORS, LOGGER):
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with Client(host, port, timeout=args.timeout) as client:
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client.login(passwd)
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text = client.run(args.command, *args.argument)
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print(text, flush=True)
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