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path: root/src/hydrilla/mitmproxy_launcher/launch.py
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# SPDX-License-Identifier: GPL-3.0-or-later

# Code for starting mitmproxy
#
# This file is part of Hydrilla
#
# Copyright (C) 2021, 2022 Wojtek Kosior
#
# 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 <https://www.gnu.org/licenses/>.
#
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this
# file's license. Although I request that you do not make use this code
# in a proprietary program, I am not going to enforce this in court.


# We want to run mitmproxy with our script as an addon. A simple way would be to
# find something like a 'main' function in mitmproxy, import it and call here.
# Unfortunately, there is currently no guarantee that such function can be
# considered mitmproxy's stable programming API. For this reason we instead
# spawn a new process.

import sys
import os
import subprocess as sp

from pathlib import Path

import click

from .. import _version
from ..translations import smart_gettext as _

@click.command(help=_('cli_help.haketilo'))
@click.option('-p', '--port', default=8080, type=click.IntRange(0, 65535),
              help=_('cli_opt.haketilo.port'))
@click.option('-d', '--directory', default='~/.haketilo/',
              type=click.Path(file_okay=False),
              help=_('cli_opt.haketilo.dir'))
@click.version_option(version=_version.version, prog_name='Haketilo proxy',
                      message=_('%(prog)s_%(version)s_license'),
                      help=_('cli_opt.haketilo.version'))
def launch(port: int, directory: str):
    """
    ....
    """
    directory_path = Path(os.path.expanduser(directory)).resolve()

    directory_path.mkdir(parents=True, exist_ok=True)

    script_path = directory_path / 'addon.py'

    script_path.write_text('''
from hydrilla.mitmproxy_addon.addon import Haketilo

addons = [Haketilo()]
''')

    code = sp.call(['mitmdump',
                    '-p', str(port),
                    '--set', f'confdir={directory_path / "mitmproxy"}'
                    '--set', 'upstream_cert=false',
                    '--set', f'haketilo_dir={directory_path}'
                    '--scripts', str(script_path)])

    sys.exit(code)