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# -*- coding: utf-8 -*-
# util.py
# Copyright (C) 2016 LEAP Encryption Acess Project
#
# 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/>.
"""
Handy common utils
"""
import os
import platform
import sys
from twisted.logger import Logger
from leap.common.files import which
from leap.common.config import get_path_prefix
STANDALONE = getattr(sys, 'frozen', False)
logger = Logger()
def here(module=None):
global STANDALONE
if STANDALONE:
# we are running in a |PyInstaller| bundle
return sys._MEIPASS
else:
dirname = os.path.dirname
if module:
return dirname(module.__file__)
else:
return dirname(__file__)
def get_gpg_bin_path():
"""
Return the path to gpg binary.
:returns: the gpg binary path
:rtype: str
"""
global STANDALONE
gpgbin = None
if STANDALONE:
if platform.system() == "Windows":
gpgbin = os.path.abspath(
os.path.join(here(), "apps", "mail", "gpg.exe"))
elif platform.system() == "Darwin":
gpgbin = os.path.abspath(
os.path.join(here(), "apps", "mail", "gpg"))
else:
gpgbin = os.path.abspath(
os.path.join(here(), "..", "apps", "mail", "gpg"))
else:
try:
gpgbin_options = which("gpg", path_extension='/usr/bin/')
# gnupg checks that the path to the binary is not a
# symlink, so we need to filter those and come up with
# just one option.
for opt in gpgbin_options:
# dereference a symlink, but will fail because
# no complete gpg2 support at the moment
# path = os.readlink(opt)
path = opt
if os.path.exists(path) and not os.path.islink(path):
gpgbin = path
break
except IndexError as e:
logger.debug("couldn't find the gpg binary!: %s" % (e,))
if gpgbin is not None:
return gpgbin
# During the transition towards gpg2, we can look for /usr/bin/gpg1
# binary, in case it was renamed using dpkg-divert or manually.
# We could just pick gpg2, but we need to solve #7564 first.
try:
gpgbin_options = which("gpg1", path_extension='/usr/bin')
for opt in gpgbin_options:
if not os.path.islink(opt):
gpgbin = opt
break
except IndexError as e:
logger.debug("couldn't find the gpg1 binary!: %s" % (e,))
if gpgbin is None:
logger.debug("Could not find gpg1 binary")
return gpgbin
|
