Limnoria/plugins/Enforcer.py

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#!/usr/bin/env python
###
# Copyright (c) 2002, 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.
###
"""
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Enforcer: Enforces capabilities on a channel, watching MODEs, KICKs,
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JOINs, etc. to make sure they match the channel's config.
"""
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__revision__ = "$Id$"
import plugins
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import conf
import ircdb
import ircmsgs
import plugins
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import privmsgs
import ircutils
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import callbacks
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def configure(onStart):
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from questions import expect, anything, something, yn
conf.registerPlugin('Enforcer', True)
chanserv = something('What\'s the name of ChanServ on your network?')
if yn('Do you want the bot to take revenge on rule breakers?') == 'y':
revenge = True
else:
revenge = False
onStart.append('enforcer start %s' % chanserv)
conf.supybot.plugins.Enforcer.takeRevenge.setValue(revenge)
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conf.registerPlugin('Enforcer')
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, 'takeRevenge',
registry.Boolean(False, """Determines whether the bot will take revenge on
people who do things it doesn't like (somewhat like 'bitch mode' in other
IRC bots)."""))
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_chanCap = ircdb.makeChannelCapability
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class Enforcer(callbacks.Privmsg):
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started = False
def start(self, irc, msg, args):
"""[<CHANSERV>]
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Starts the Enforcer plugin. <chanserv> is the nick for the chanserv
aspect of Services (it defaults to ChanServ).
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"""
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self.topics = {}
chanserv = privmsgs.getArgs(args, required=0, optional=1)
self.chanserv = ircutils.IrcString(chanserv or 'ChanServ')
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self.started = True
for channel in irc.state.channels:
irc.queueMsg(ircmsgs.topic(channel))
irc.replySuccess()
start = privmsgs.checkCapability(start, 'admin')
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def doJoin(self, irc, msg):
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if not self.started:
self.log.warning('Enforcer not started.')
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return
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channel = msg.args[0]
c = ircdb.channels.getChannel(channel)
if c.checkBan(msg.prefix):
irc.queueMsg(ircmsgs.ban(channel, ircutils.banmask(msg.prefix)))
irc.queueMsg(ircmsgs.kick(channel, msg.nick))
elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
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if self.registryValue('autoOp', channel):
irc.queueMsg(ircmsgs.op(channel, msg.nick))
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elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'halfop')):
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if self.registryValue('autoHalfop', channel):
irc.queueMsg(ircmsgs.halfop(channel, msg.nick))
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elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'voice')):
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if self.registryValue('autoVoice', channel):
irc.queueMsg(ircmsgs.voice(channel, msg.nick))
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def doTopic(self, irc, msg):
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if not self.started:
self.log.info('Enforcer not started.')
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return
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channel = msg.args[0]
topic = msg.args[1]
if msg.nick != irc.nick and \
not ircdb.checkCapabilities(msg.prefix,
(_chanCap(channel, 'op'),
_chanCap(channel, 'topic'))):
irc.queueMsg(ircmsgs.topic(channel, self.topics[channel]))
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if self.registryValue('takeRevenge', channel):
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irc.queueMsg(ircmsgs.kick(channel, msg.nick,
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conf.supybot.replies.noCapability() %
_chanCap(channel, 'topic')))
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else:
self.topics[channel] = msg.args[1]
def do332(self, irc, msg):
# This command gets sent right after joining a channel.
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if not self.started:
self.log.info('Enforcer not started.')
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return
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(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 _revenge(self, irc, channel, hostmask):
irc.queueMsg(ircmsgs.ban(channel, ircutils.banmask(hostmask)))
irc.queueMsg(ircmsgs.kick(channel,ircutils.nickFromHostmask(hostmask)))
def doKick(self, irc, msg):
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if not self.started:
self.log.info('Enforcer not started.')
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return
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channel = msg.args[0]
kicked = msg.args[1].split(',')
deop = False
if msg.nick != irc.nick and \
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not ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
for nick in kicked:
hostmask = irc.state.nickToHostmask(nick)
if nick == irc.nick:
# Must be a sendMsg so he joins the channel before MODEing.
irc.sendMsg(ircmsgs.join(channel))
deop = True
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if self._isProtected(channel, hostmask):
deop = True
irc.queueMsg(ircmsgs.invite(channel, msg.args[1]))
if deop:
deop = False
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
else:
irc.queueMsg(ircmsgs.deop(channel, msg.nick))
def doMode(self, irc, msg):
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if not self.started:
self.log.info('Enforcer not started.')
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return
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channel = msg.args[0]
if not ircutils.isChannel(channel) or msg.nick == self.chanserv:
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return
if msg.nick != irc.nick and \
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not ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
for (mode, value) in ircutils.separateModes(msg.args[1:]):
if value == msg.nick:
continue
elif mode == '+o' and value != irc.nick:
hostmask = irc.state.nickToHostmask(value)
if ircdb.checkCapability(channel,
ircdb.makeAntiCapability('op')):
irc.queueMsg(ircmsgs.deop(channel, value))
elif mode == '+h' and value != irc.nick:
hostmask = irc.state.nickToHostmask(value)
if ircdb.checkCapability(channel,
ircdb.makeAntiCapability('halfop')):
irc.queueMsg(ircmsgs.dehalfop(channel, value))
elif mode == '+v' and value != irc.nick:
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):
irc.queueMsg(ircmsgs.op(channel, value))
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
else:
irc.queueMsg(ircmsgs.deop(channel, msg.nick))
elif mode == '-h':
hostmask = irc.state.nickToHostmask(value)
if self._isProtected(channel, hostmask):
irc.queueMsg(ircmsgs.halfop(channel, value))
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
else:
irc.queueMsg(ircmsgs.deop(channel, msg.nick))
elif mode == '-v':
hostmask = irc.state.nickToHostmask(value)
if self._isProtected(channel, hostmask):
irc.queueMsg(ircmsgs.voice(channel, value))
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
else:
irc.queueMsg(ircmsgs.deop(channel, msg.nick))
elif mode == '+b':
# To be safe, only #channel.ops are allowed to ban.
if not ircdb.checkCapability(msg.prefix,
_chanCap(channel, 'op')):
irc.queueMsg(ircmsgs.unban(channel, value))
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
else:
irc.queueMsg(ircmsgs.deop(channel, msg.nick))
def __call__(self, irc, msg):
if self.started:
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if ircutils.isUserHostmask(msg.prefix) and \
not msg.nick == self.chanserv:
return callbacks.Privmsg.__call__(self, irc, msg)
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Class = Enforcer
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: