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path: root/src/leap/bitmask/services/eip/__init__.py
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# -*- coding: utf-8 -*-
# __init__.py
# Copyright (C) 2013 LEAP
#
# 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/>.
"""
leap.bitmask.services.eip module initialization
"""
import os
import tempfile

from leap.bitmask.services.eip.darwinvpnlauncher import DarwinVPNLauncher
from leap.bitmask.services.eip.linuxvpnlauncher import LinuxVPNLauncher
from leap.bitmask.services.eip.windowsvpnlauncher import WindowsVPNLauncher
from leap.bitmask.platform_init import IS_LINUX, IS_MAC, IS_WIN
from leap.common.check import leap_assert


def get_openvpn_management():
    """
    Returns the socket and port to be used for VPN

    :rtype: tuple (str, str) (host, port)
    """
    if IS_WIN:
        host = "localhost"
        port = "9876"
    else:
        # XXX cleanup this on exit too
        # XXX atexit.register ?
        host = os.path.join(tempfile.mkdtemp(prefix="leap-tmp"),
                            'openvpn.socket')
        port = "unix"

    return host, port


def get_vpn_launcher():
    """
    Return the VPN launcher for the current platform.
    """
    if not (IS_LINUX or IS_MAC or IS_WIN):
        error_msg = "VPN Launcher not implemented for this platform."
        raise NotImplementedError(error_msg)

    launcher = None
    if IS_LINUX:
        launcher = LinuxVPNLauncher
    elif IS_MAC:
        launcher = DarwinVPNLauncher
    elif IS_WIN:
        launcher = WindowsVPNLauncher

    leap_assert(launcher is not None)

    return launcher()