864ef9b40f
* lang/python/examples/howto/groups.py: subprocess update * lang/python/examples/howto/export-secret-keys.py: subprocess update Both of these try the nice and easy method of getting the subprocess output available in Python 3, but will fall back to the older Popen method if it doesn't work. Essentially this is to be a little nicer to Python 2.7.15 (even though the examples are filled with warnings that py2 support is not guaranteed with the examples).
117 lines
3.7 KiB
Python
Executable File
117 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from __future__ import absolute_import, division, unicode_literals
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import gpg
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import os
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import os.path
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import subprocess
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import sys
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# Copyright (C) 2018 Ben McGinnes <ben@gnupg.org>
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License and the GNU
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# Lesser General Public Licensefor more details.
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#
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# You should have received a copy of the GNU General Public License and the GNU
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# Lesser General Public along with this program; if not, see
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# <http://www.gnu.org/licenses/>.
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print("""
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This script exports one or more secret keys as both ASCII armored and binary
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file formats, saved in files within the user's GPG home directory.
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The gpg-agent and pinentry are invoked to authorise the export.
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""")
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if sys.platform == "win32":
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gpgconfcmd = "gpgconf.exe --list-dirs homedir"
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else:
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gpgconfcmd = "gpgconf --list-dirs homedir"
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a = gpg.Context(armor=True)
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b = gpg.Context()
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c = gpg.Context()
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if len(sys.argv) >= 4:
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keyfile = sys.argv[1]
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logrus = sys.argv[2]
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homedir = sys.argv[3]
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elif len(sys.argv) == 3:
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keyfile = sys.argv[1]
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logrus = sys.argv[2]
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homedir = input("Enter the GPG configuration directory path (optional): ")
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elif len(sys.argv) == 2:
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keyfile = sys.argv[1]
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logrus = input("Enter the UID matching the secret key(s) to export: ")
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homedir = input("Enter the GPG configuration directory path (optional): ")
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else:
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keyfile = input("Enter the filename to save the secret key to: ")
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logrus = input("Enter the UID matching the secret key(s) to export: ")
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homedir = input("Enter the GPG configuration directory path (optional): ")
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if homedir.startswith("~"):
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if os.path.exists(os.path.expanduser(homedir)) is True:
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c.home_dir = os.path.expanduser(homedir)
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else:
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pass
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elif os.path.exists(homedir) is True:
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c.home_dir = homedir
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else:
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pass
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if c.home_dir is not None:
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if c.home_dir.endswith("/"):
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gpgfile = "{0}{1}.gpg".format(c.home_dir, keyfile)
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ascfile = "{0}{1}.asc".format(c.home_dir, keyfile)
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else:
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gpgfile = "{0}/{1}.gpg".format(c.home_dir, keyfile)
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ascfile = "{0}/{1}.asc".format(c.home_dir, keyfile)
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else:
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if os.path.exists(os.environ["GNUPGHOME"]) is True:
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hd = os.environ["GNUPGHOME"]
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else:
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try:
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hd = subprocess.getoutput(gpgconfcmd)
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except:
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process = subprocess.Popen(gpgconfcmd.split(),
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stdout=subprocess.PIPE)
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procom = process.communicate()
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hd = procom[0].decode().strip()
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gpgfile = "{0}/{1}.gpg".format(hd, keyfile)
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ascfile = "{0}/{1}.asc".format(hd, keyfile)
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try:
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a_result = a.key_export_secret(pattern=logrus)
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b_result = b.key_export_secret(pattern=logrus)
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except:
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a_result = a.key_export_secret(pattern=None)
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b_result = b.key_export_secret(pattern=None)
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if a_result is not None:
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with open(ascfile, "wb") as f:
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f.write(a_result)
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os.chmod(ascfile, 0o600)
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else:
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pass
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if b_result is not None:
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with open(gpgfile, "wb") as f:
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f.write(b_result)
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os.chmod(gpgfile, 0o600)
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else:
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pass
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