mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-19 08:59:27 +01:00
348 lines
16 KiB
Python
348 lines
16 KiB
Python
#!/usr/bin/env python
|
|
|
|
###
|
|
# Copyright (c) 2002-2004, Jeremiah Fincher
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions, and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions, and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# * Neither the name of the author of this software nor the name of
|
|
# contributors to this software may be used to endorse or promote products
|
|
# derived from this software without specific prior written consent.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
###
|
|
|
|
"""
|
|
Enforces capabilities on a channel, watching MODEs, KICKs,
|
|
JOINs, etc. to make sure they match the channel's config. Also handles
|
|
auto-opping, auto-halfopping, or auto-voicing, as well as cycling an otherwise
|
|
empty channel in order to get ops.
|
|
"""
|
|
|
|
__revision__ = "$Id$"
|
|
__author__ = 'Jeremy Fincher (jemfinch) <jemfinch@users.sf.net>'
|
|
|
|
import supybot.plugins as plugins
|
|
|
|
import time
|
|
|
|
import supybot.log as log
|
|
import supybot.conf as conf
|
|
import supybot.ircdb as ircdb
|
|
import supybot.ircmsgs as ircmsgs
|
|
import supybot.plugins as plugins
|
|
import supybot.ircutils as ircutils
|
|
import supybot.privmsgs as privmsgs
|
|
import supybot.registry as registry
|
|
import supybot.schedule as schedule
|
|
import supybot.callbacks as callbacks
|
|
|
|
def configure(advanced):
|
|
from supybot.questions import output, expect, anything, something, yn
|
|
conf.registerPlugin('Enforcer', True)
|
|
chanserv = anything("""What\'s the name of ChanServ on your network? If
|
|
there is no ChanServ on your network, just press
|
|
enter without entering anything.""")
|
|
revenge = yn('Do you want the bot to take revenge on rule breakers?')
|
|
conf.supybot.plugins.Enforcer.ChanServ.set(chanserv)
|
|
conf.supybot.plugins.Enforcer.takeRevenge.setValue(revenge)
|
|
|
|
class ValidNickOrEmptyString(registry.String):
|
|
def setValue(self, v):
|
|
if v and not ircutils.isNick(v):
|
|
raise registry.InvalidRegistryValue, \
|
|
'Value must be a valid nick or the empty string.'
|
|
self.value = v
|
|
|
|
conf.registerPlugin('Enforcer')
|
|
# XXX We should look into making *all* plugin values ChannelValues and allowing
|
|
# all channels to disable any plugin in their channel.
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'enforce',
|
|
registry.Boolean(True, """Determines whether the bot will enforce
|
|
capabilities on this channel. Basically, if False, it 'turns off' the
|
|
plugin for this channel."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoOp',
|
|
registry.Boolean(False, """Determines whether the bot will automatically op
|
|
people with the <channel>,op capability when they join the channel."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoHalfop',
|
|
registry.Boolean(False, """Determines whether the bot will automatically
|
|
halfop people with the <channel>,halfop capability when they join the
|
|
channel."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoVoice',
|
|
registry.Boolean(False, """Determines whether the bot will automatically
|
|
voice people with the <channel>,voice capability when they join the
|
|
channel."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoBan',
|
|
registry.Boolean(True, """Determines whether the bot will automatically ban
|
|
people who join the channel and are on the banlist."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'banPeriod',
|
|
registry.PositiveInteger(86400, """Determines how many seconds the bot will
|
|
automatically ban a person for when banning."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'takeRevenge',
|
|
registry.Boolean(True, """Determines whether the bot will take revenge on
|
|
people who do things it doesn't like (somewhat like 'bitch mode' in other
|
|
IRC bots)."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer.takeRevenge, 'onOps',
|
|
registry.Boolean(False, """Determines whether the bot will even take
|
|
revenge on ops (people with the #channel,op capability) who violate the
|
|
channel configuration."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'cycleToGetOps',
|
|
registry.Boolean(False, """Determines whether the bot will cycle the channel
|
|
if it doesn't have ops and there's no one else in the channel."""))
|
|
# This is a network value, not a channel value.
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'ChanServ',
|
|
ValidNickOrEmptyString('', """Determines what nick the bot will consider to
|
|
be the ChanServ on the network. ChanServ (on networks that support it) is
|
|
obviously beyond our abilities to enforce, and so we would ignore all
|
|
messages from it."""))
|
|
|
|
# Limit stuff
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'limit',
|
|
registry.Boolean(False, """Determines whether the bot will maintain the
|
|
channel limit to be slightly above the current number of people in the
|
|
channel, in order to make clone/drone attacks harder."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer.limit, 'minimumExcess',
|
|
registry.PositiveInteger(5, """Determines the minimum number of free
|
|
spots that will be saved when limits are being enforced. This should
|
|
always be smaller than supybot.plugins.Enforcer.limit.maximumExcess."""))
|
|
conf.registerChannelValue(conf.supybot.plugins.Enforcer.limit, 'maximumExcess',
|
|
registry.PositiveInteger(10, """Determines the maximum number of free spots
|
|
that will be saved when limits are being enforced. This should always be
|
|
larger than supybot.plugins.Enforcer.limit.minimumExcess."""))
|
|
|
|
_chanCap = ircdb.makeChannelCapability
|
|
class Enforcer(callbacks.Privmsg):
|
|
"""Manages various things concerning channel security. Check out the
|
|
Enforcer.autoOp, supybot.plugins.Enforcer.autoHalfop,
|
|
supybot.plugins.Enforcer.autoVoice, supybot.plugins.Enforcer.takeRevenge,
|
|
supybot.plugins.Enforcer.cycleToGetOps, and
|
|
supybot.plugins.Enforcer.ChanServ to configure the behavior of this plugin.
|
|
"""
|
|
def __init__(self):
|
|
callbacks.Privmsg.__init__(self)
|
|
self.topics = ircutils.IrcDict()
|
|
self.unbans = {}
|
|
|
|
def _enforceLimit(self, irc, channel):
|
|
if self.registryValue('limit', channel):
|
|
maximum = self.registryValue('limit.maximumExcess', channel)
|
|
minimum = self.registryValue('limit.minimumExcess', channel)
|
|
assert maximum > minimum
|
|
currentUsers = len(irc.state.channels[channel].users)
|
|
currentLimit = irc.state.channels[channel].modes.get('l', 0)
|
|
if currentLimit - currentUsers < minimum:
|
|
irc.queueMsg(ircmsgs.limit(channel, currentUsers + maximum))
|
|
elif currentLimit - currentUsers > maximum:
|
|
irc.queueMsg(ircmsgs.limit(channel, currentUsers + minimum))
|
|
|
|
def _doBan(self, irc, channel, hostmask):
|
|
nick = ircutils.nickFromHostmask(hostmask)
|
|
banmask = ircutils.banmask(hostmask)
|
|
irc.sendMsg(ircmsgs.ban(channel, banmask))
|
|
irc.sendMsg(ircmsgs.kick(channel, nick))
|
|
period = self.registryValue('banPeriod', channel)
|
|
when = time.time() + period
|
|
if banmask in self.unbans:
|
|
self.log.info('Rescheduling unban of %s for %s.',
|
|
banmask, log.timestamp(when))
|
|
schedule.rescheduleEvent(self.unbans[banmask], when)
|
|
else:
|
|
def unban():
|
|
irc.queueMsg(ircmsgs.unban(channel, banmask))
|
|
del self.unbans[banmask]
|
|
eventId = schedule.addEvent(unban, when)
|
|
self.unbans[banmask] = eventId
|
|
|
|
def doJoin(self, irc, msg):
|
|
if ircutils.strEqual(msg.nick, irc.nick):
|
|
return
|
|
channel = msg.args[0]
|
|
c = ircdb.channels.getChannel(channel)
|
|
if c.checkBan(msg.prefix) and self.registryValue('autoBan', channel):
|
|
self._doBan(irc, channel, msg.prefix)
|
|
elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
|
|
if self.registryValue('autoOp', channel):
|
|
irc.queueMsg(ircmsgs.op(channel, msg.nick))
|
|
elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'halfop')):
|
|
if self.registryValue('autoHalfop', channel):
|
|
irc.queueMsg(ircmsgs.halfop(channel, msg.nick))
|
|
elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'voice')):
|
|
if self.registryValue('autoVoice', channel):
|
|
irc.queueMsg(ircmsgs.voice(channel, msg.nick))
|
|
self._enforceLimit(irc, channel)
|
|
|
|
def doTopic(self, irc, msg):
|
|
channel = msg.args[0]
|
|
topic = msg.args[1]
|
|
if msg.nick != irc.nick and channel in self.topics and \
|
|
not ircdb.checkCapabilities(msg.prefix,
|
|
(_chanCap(channel, 'op'),
|
|
_chanCap(channel, 'topic'))):
|
|
irc.queueMsg(ircmsgs.topic(channel, self.topics[channel]))
|
|
if self.registryValue('takeRevenge', channel):
|
|
irc.queueMsg(ircmsgs.kick(channel, msg.nick,
|
|
conf.supybot.replies.noCapability() %
|
|
_chanCap(channel, 'topic')))
|
|
else:
|
|
self.topics[channel] = msg.args[1]
|
|
|
|
def do332(self, irc, msg):
|
|
# This command gets sent right after joining a channel.
|
|
(channel, topic) = msg.args[1:]
|
|
self.topics[channel] = topic
|
|
|
|
def _isProtected(self, channel, hostmask):
|
|
capabilities = [_chanCap(channel, 'op'),_chanCap(channel, 'protected')]
|
|
return ircdb.checkCapabilities(hostmask, capabilities)
|
|
|
|
def _isPowerful(self, irc, channel, hostmask):
|
|
if not ircutils.isUserHostmask(hostmask):
|
|
return True # It's a server.
|
|
nick = ircutils.nickFromHostmask(hostmask)
|
|
if ircutils.strEqual(nick, irc.nick):
|
|
return True # It's me.
|
|
chanserv = self.registryValue('ChanServ')
|
|
if ircutils.strEqual(nick, chanserv):
|
|
return True # It's ChanServ.
|
|
capability = _chanCap(channel, 'op')
|
|
if ircdb.checkCapability(hostmask, capability):
|
|
return True # It's a chanop.
|
|
return False # Default.
|
|
|
|
def _revenge(self, irc, channel, hostmask):
|
|
nick = ircutils.nickFromHostmask(hostmask)
|
|
if self.registryValue('takeRevenge', channel):
|
|
if self._isPowerful(irc, channel, hostmask) and \
|
|
not self.registryValue('takeRevenge.onOps', channel):
|
|
return
|
|
if irc.nick != nick:
|
|
self._doBan(irc, channel, hostmask)
|
|
else:
|
|
# This can happen if takeRevenge.onOps is True.
|
|
self.log.warning('Tried to take revenge on myself. '
|
|
'Are you sure you want takeRevenge.onOps '
|
|
'to be True?')
|
|
elif nick in irc.state.channels[channel].ops:
|
|
irc.sendMsg(ircmsgs.deop(channel, nick))
|
|
|
|
def doKick(self, irc, msg):
|
|
channel = msg.args[0]
|
|
kicked = msg.args[1].split(',')
|
|
deop = False
|
|
for nick in kicked:
|
|
hostmask = irc.state.nickToHostmask(nick)
|
|
if ircutils.strEqual(nick, irc.nick):
|
|
# Must be a sendMsg so he joins the channel before MODEing.
|
|
irc.sendMsg(ircmsgs.join(channel))
|
|
if self._isProtected(channel, hostmask):
|
|
irc.queueMsg(ircmsgs.invite(nick, channel))
|
|
self._revenge(irc, channel, msg.prefix)
|
|
self._enforceLimit(irc, channel)
|
|
|
|
def doMode(self, irc, msg):
|
|
channel = msg.args[0]
|
|
chanserv = self.registryValue('ChanServ', channel)
|
|
if not ircutils.isChannel(channel):
|
|
return
|
|
if self._isPowerful(irc, channel, msg.prefix):
|
|
if not self.registryValue('takeRevenge.onOps', channel):
|
|
return
|
|
for (mode, value) in ircutils.separateModes(msg.args[1:]):
|
|
if ircutils.strEqual(value, msg.nick):
|
|
continue
|
|
elif mode == '+o':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if ircdb.checkCapability(channel,
|
|
ircdb.makeAntiCapability('op')):
|
|
irc.sendMsg(ircmsgs.deop(channel, value))
|
|
elif mode == '+h':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if ircdb.checkCapability(channel,
|
|
ircdb.makeAntiCapability('halfop')):
|
|
irc.sendMsg(ircmsgs.dehalfop(channel, value))
|
|
elif mode == '+v':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if ircdb.checkCapability(channel,
|
|
ircdb.makeAntiCapability('voice')):
|
|
irc.queueMsg(ircmsgs.devoice(channel, value))
|
|
elif mode == '-o':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if self._isProtected(channel, hostmask):
|
|
self._revenge(irc, channel, msg.prefix)
|
|
irc.sendMsg(ircmsgs.op(channel, value))
|
|
elif mode == '-h':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if self._isProtected(channel, hostmask):
|
|
self._revenge(irc, channel, msg.prefix)
|
|
irc.queueMsg(ircmsgs.halfop(channel, value))
|
|
elif mode == '-v':
|
|
hostmask = irc.state.nickToHostmask(value)
|
|
if self._isProtected(channel, hostmask):
|
|
self._revenge(irc, channel, msg.prefix)
|
|
irc.queueMsg(ircmsgs.voice(channel, value))
|
|
elif mode == '+b':
|
|
self._revenge(irc, channel, msg.prefix)
|
|
irc.sendMsg(ircmsgs.unban(channel, value))
|
|
|
|
def _cycle(self, irc, channel):
|
|
if self.registryValue('cycleToGetOps', channel):
|
|
if 'i' not in irc.state.channels[channel].modes and \
|
|
'k' not in irc.state.channels[channel].modes:
|
|
# XXX We should pull these keywords from the registry.
|
|
self.log.info('Cycling %s: I\'m the only one left.', channel)
|
|
irc.queueMsg(ircmsgs.part(channel))
|
|
irc.queueMsg(ircmsgs.join(channel))
|
|
else:
|
|
self.log.info('Not cycling %s: it\'s +i or +k.', channel)
|
|
|
|
def doPart(self, irc, msg):
|
|
if msg.prefix != irc.prefix:
|
|
channel = msg.args[0]
|
|
c = irc.state.channels[channel]
|
|
if len(c.users) == 1:
|
|
if irc.nick not in c.ops:
|
|
self._cycle(irc, channel)
|
|
return
|
|
self._enforceLimit(irc, channel)
|
|
|
|
def doQuit(self, irc, msg):
|
|
for (channel, c) in irc.state.channels.iteritems():
|
|
if len(c.users) == 1:
|
|
if irc.nick not in c.ops:
|
|
self._cycle(irc, channel)
|
|
continue
|
|
self._enforceLimit(irc, channel)
|
|
|
|
def __call__(self, irc, msg):
|
|
channel = msg.args[0]
|
|
if ircutils.isChannel(channel) and \
|
|
self.registryValue('enforce', channel):
|
|
chanserv = self.registryValue('ChanServ', irc.network)
|
|
if chanserv:
|
|
if ircutils.isUserHostmask(msg.prefix):
|
|
if msg.nick != chanserv:
|
|
callbacks.Privmsg.__call__(self, irc, msg)
|
|
else:
|
|
callbacks.Privmsg.__call__(self, irc, msg)
|
|
|
|
|
|
Class = Enforcer
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|