#!/usr/bin/env python3 # -*- coding: utf-8 -*- from __future__ import absolute_import, division, unicode_literals import gpg import os import os.path import sys # Copyright (C) 2018 Ben McGinnes <ben@gnupg.org> # # 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 2 of the License, or (at your option) any later # version. # # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU Lesser General Public License as published by the Free # Software Foundation; either version 2.1 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 and the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU General Public License and the GNU # Lesser General Public along with this program; if not, see # <https://www.gnu.org/licenses/>. print(""" This script exports one or more secret keys. The gpg-agent and pinentry are invoked to authorise the export. """) c = gpg.Context(armor=True) if len(sys.argv) >= 4: keyfile = sys.argv[1] logrus = sys.argv[2] homedir = sys.argv[3] elif len(sys.argv) == 3: keyfile = sys.argv[1] logrus = sys.argv[2] homedir = input("Enter the GPG configuration directory path (optional): ") elif len(sys.argv) == 2: keyfile = sys.argv[1] logrus = input("Enter the UID matching the secret key(s) to export: ") homedir = input("Enter the GPG configuration directory path (optional): ") else: keyfile = input("Enter the path and filename to save the secret key to: ") logrus = input("Enter the UID matching the secret key(s) to export: ") homedir = input("Enter the GPG configuration directory path (optional): ") if len(homedir) == 0: homedir = None elif homedir.startswith("~"): userdir = os.path.expanduser(homedir) if os.path.exists(userdir) is True: homedir = os.path.realpath(userdir) else: homedir = None else: homedir = os.path.realpath(homedir) if homedir is not None and os.path.exists(homedir) is False: homedir = None elif homedir is not None and os.path.exists(homedir) is True: if os.path.isdir(homedir) is False: homedir = None else: pass if homedir is not None: c.home_dir = homedir else: pass try: result = c.key_export_secret(pattern=logrus) except: result = c.key_export_secret(pattern=None) if result is not None: with open(keyfile, "wb") as f: f.write(result) os.chmod(keyfile, 0o600) else: pass