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# Copyright (C) 2014 Simo Sorce <simo@redhat.com>
#
# see file 'COPYING' for use and warranty information
#
# 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/>.
from subprocess import Popen
import os
import string
class Certificate(object):
def __init__(self, path=None):
self.subject = None
self.key = None
self.cert = None
if path:
self.path = path
else:
self.path = os.getcwd()
def generate(self, prefix, subject):
self.key = os.path.join(self.path, '%s.key' % prefix)
self.cert = os.path.join(self.path, '%s.pem' % prefix)
self.subject = '/CN=%s' % subject
command = ['openssl',
'req', '-x509', '-batch', '-days', '1825',
'-newkey', 'rsa:2048', '-nodes', '-subj', self.subject,
'-keyout', self.key, '-out', self.cert]
proc = Popen(command)
proc.wait()
def get_cert(self):
if not self.cert:
raise ValueError('Certificate unavailable')
with open(self.cert, 'r') as f:
cert = f.readlines()
# poor man stripping of BEGIN/END lines
if cert[0] == '-----BEGIN CERTIFICATE-----\n':
cert = cert[1:]
if cert[-1] == '-----END CERTIFICATE-----\n':
cert = cert[:-1]
return string.join(cert)
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