#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Univention Configuration Registry
"""Decode LDAP base64 encoded "key:: value" pairs read from standard input to standard output."""
#
# Copyright 2004-2021 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.
from __future__ import print_function
import sys
import re
import base64

regEx = re.compile('^([a-zA-Z0-9-]*):: (.*)')

try:
	line = sys.stdin.readline()
	while line != '':
		res = regEx.search(line)
		if res:
			try:
				print('%s: %s' % (res.group(1), base64.decodestring(res.group(2))))
			except Exception:
				pass
		else:
			print(line, end='')
		line = sys.stdin.readline()
except Exception:
	sys.stdout.flush()
