ahriman/src/ahriman/application/handlers/unsafe_commands.py

85 lines
3.1 KiB
Python

#
# Copyright (c) 2021-2022 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import argparse
import shlex
from typing import List, Type
from ahriman.application.handlers import Handler
from ahriman.core.configuration import Configuration
from ahriman.core.formatters import StringPrinter
class UnsafeCommands(Handler):
"""
unsafe command help parser
"""
ALLOW_AUTO_ARCHITECTURE_RUN = False # it should be called only as "no-architecture"
@classmethod
def run(cls: Type[Handler], args: argparse.Namespace, architecture: str,
configuration: Configuration, no_report: bool, unsafe: bool) -> None:
"""
callback for command line
Args:
args(argparse.Namespace): command line args
architecture(str): repository architecture
configuration(Configuration): configuration instance
no_report(bool): force disable reporting
unsafe(bool): if set no user check will be performed before path creation
"""
parser = args.parser()
unsafe_commands = UnsafeCommands.get_unsafe_commands(parser)
if args.command is None:
for command in unsafe_commands:
StringPrinter(command).print(verbose=True)
else:
UnsafeCommands.check_unsafe(args.command, unsafe_commands, parser)
@staticmethod
def check_unsafe(command: str, unsafe_commands: List[str], parser: argparse.ArgumentParser) -> None:
"""
check if command is unsafe
Args:
command(str): command to check
unsafe_commands(List[str]): list of unsafe commands
parser(argparse.ArgumentParser): generated argument parser
"""
args = parser.parse_args(shlex.split(command))
UnsafeCommands.check_if_empty(True, args.command in unsafe_commands)
@staticmethod
def get_unsafe_commands(parser: argparse.ArgumentParser) -> List[str]:
"""
extract unsafe commands from argument parser
Args:
parser(argparse.ArgumentParser): generated argument parser
Returns:
List[str]: list of commands with default unsafe flag
"""
# pylint: disable=protected-access
subparser = next(action for action in parser._actions if isinstance(action, argparse._SubParsersAction))
return [action_name for action_name, action in subparser.choices.items() if action.get_default("unsafe")]