project-config/tools/check_irc_access.py
Frédéric Guillot 0d290bd349 Remove whitespaces and add parenthesis to print statements
Change-Id: I0cab05343b1845f92b4c606e4f2d573faf871103
2016-08-24 16:48:09 -04:00

166 lines
5.7 KiB
Python
Executable File

#! /usr/bin/env python
# Copyright 2011, 2013-2014 OpenStack Foundation
# Copyright 2012 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import irc.client
import logging
import random
import string
import ssl
import sys
import time
import yaml
logging.basicConfig(level=logging.INFO)
class CheckAccess(irc.client.SimpleIRCClient):
log = logging.getLogger("checkaccess")
def __init__(self, channels, nick, flags):
irc.client.SimpleIRCClient.__init__(self)
self.identify_msg_cap = False
self.channels = channels
self.nick = nick
self.flags = flags
self.current_channel = None
self.current_list = []
self.failed = None
def on_disconnect(self, connection, event):
if self.failed is not False:
sys.exit(1)
else:
sys.exit(0)
def on_welcome(self, c, e):
self.identify_msg_cap = False
self.log.debug("Requesting identify-msg capability")
c.cap('REQ', 'identify-msg')
c.cap('END')
def on_cap(self, c, e):
self.log.debug("Received cap response %s" % repr(e.arguments))
if e.arguments[0] == 'ACK' and 'identify-msg' in e.arguments[1]:
self.log.debug("identify-msg cap acked")
self.identify_msg_cap = True
self.advance()
def on_privnotice(self, c, e):
if not self.identify_msg_cap:
self.log.debug("Ignoring message because identify-msg "
"cap not enabled")
return
nick = e.source.split('!')[0]
auth = e.arguments[0][0]
msg = e.arguments[0][1:]
if auth != '+' or nick != 'ChanServ':
self.log.debug("Ignoring message from unauthenticated "
"user %s" % nick)
return
self.advance(msg)
def advance(self, msg=None):
if not self.current_channel:
if not self.channels:
self.connection.quit()
return
self.current_channel = self.channels.pop()
self.current_list = []
self.connection.privmsg('chanserv', 'access list %s' %
self.current_channel)
time.sleep(1)
return
if msg.endswith('is not registered.'):
self.failed = True
print("%s is not registered with ChanServ." %
self.current_channel)
self.current_channel = None
self.advance()
return
if msg.startswith('End of'):
found = False
for nick, flags, msg in self.current_list:
if nick == self.nick and flags == self.flags:
self.log.info('%s access ok on %s' %
(self.nick, self.current_channel))
found = True
break
if not found:
self.failed = True
print("%s does not have permissions on %s:" %
(self.nick, self.current_channel))
for nick, flags, msg in self.current_list:
print(msg)
print
# If this is the first channel checked, set the failure
# flag to false because we know that the system is
# operating well enough to check at least one channel.
if self.failed is None:
self.failed = False
self.current_channel = None
self.advance()
return
parts = msg.split()
self.current_list.append((parts[1], parts[2], msg))
def main():
parser = argparse.ArgumentParser(description='IRC channel access check')
parser.add_argument('-l', dest='config',
default='/etc/accessbot/channels.yaml',
help='path to the config file')
parser.add_argument('-s', dest='server',
default='chat.freenode.net',
help='IRC server')
parser.add_argument('-p', dest='port',
default=6697,
help='IRC port')
parser.add_argument('nick',
help='the nick for which access should be validated')
args = parser.parse_args()
config = yaml.load(open(args.config))
channels = []
for channel in config['channels']:
channels.append('#' + channel['name'])
access_level = None
for level, names in config['global'].items():
if args.nick in names:
access_level = level
if access_level is None:
raise Exception("Unable to determine global access level for %s" %
args.nick)
flags = config['access'][access_level]
a = CheckAccess(channels, args.nick, flags)
mynick = ''.join(random.choice(string.ascii_uppercase)
for x in range(16))
port = int(args.port)
if port == 6697:
factory = irc.connection.Factory(wrapper=ssl.wrap_socket)
a.connect(args.server, int(args.port), mynick,
connect_factory=factory)
else:
a.connect(args.server, int(args.port), mynick)
a.start()
if __name__ == "__main__":
main()