#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Copyright 2018 jnphilipp <mail@jnphilipp.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser.  If not, see <http://www.gnu.org/licenses/>.

# Change your tor identity.
#
# Set a hotkey to launch this script, then:
#   :bind ti spawn --userscript tor_identity PASSWORD
#
# Use the hotkey to change your tor identity, press 'ti' to change it.
# https://stem.torproject.org/faq.html#how-do-i-request-a-new-identity-from-tor
#

import os
import sys

try:
    from stem import Signal
    from stem.control import Controller
except ImportError:
    if os.getenv('QUTE_FIFO'):
        with open(os.environ['QUTE_FIFO'], 'w') as f:
            f.write('message-error "Failed to import stem."')
    else:
        print('Failed to import stem.')


password = sys.argv[1]
with Controller.from_port(port=9051) as controller:
    controller.authenticate(password)
    controller.signal(Signal.NEWNYM)
    if os.getenv('QUTE_FIFO'):
        with open(os.environ['QUTE_FIFO'], 'w') as f:
            f.write('message-info "Tor identity changed."')
    else:
        print('Tor identity changed.')
