/usr/lib/python3/dist-packages/radicale/auth/courier.py is in python3-radicale 1.1.1+20160115-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | # -*- coding: utf-8 -*-
#
# This file is part of Radicale Server - Calendar Server
# Copyright © 2011 Henry-Nicolas Tourneur
#
# This library 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 library 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 Radicale. If not, see <http://www.gnu.org/licenses/>.
"""
Courier-Authdaemon authentication.
"""
import sys
import socket
from .. import config, log
COURIER_SOCKET = config.get("auth", "courier_socket")
def is_authenticated(user, password):
"""Check if ``user``/``password`` couple is valid."""
if not user or not password:
return False
line = "%s\nlogin\n%s\n%s" % (sys.argv[0], user, password)
line = "AUTH %i\n%s" % (len(line), line)
try:
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(COURIER_SOCKET)
log.LOGGER.debug("Sending to Courier socket the request: %s" % line)
sock.send(line)
data = sock.recv(1024)
sock.close()
except socket.error as exception:
log.LOGGER.debug(
"Unable to communicate with Courier socket: %s" % exception)
return False
log.LOGGER.debug("Got Courier socket response: %r" % data)
# Address, HOME, GID, and either UID or USERNAME are mandatory in resposne
# see http://www.courier-mta.org/authlib/README_authlib.html#authpipeproto
for line in data.split():
if "GID" in line:
return True
# default is reject
# this alleviates the problem of a possibly empty reply from authlib
# see http://www.courier-mta.org/authlib/README_authlib.html#authpipeproto
return False
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