mirror of
https://github.com/Mikaela/Limnoria.git
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296 lines
14 KiB
Python
296 lines
14 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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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. Also handles
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auto-opping, auto-halfopping, or auto-voicing, as well as cycling an otherwise
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empty channel in order to get ops.
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"""
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__revision__ = "$Id$"
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__author__ = 'Jeremy Fincher (jemfinch) <jemfinch@users.sf.net>'
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import supybot.plugins as plugins
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import supybot.conf as conf
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import supybot.ircdb as ircdb
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import supybot.ircmsgs as ircmsgs
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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def configure(advanced):
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from supybot.questions import output, expect, anything, something, yn
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conf.registerPlugin('Enforcer', True)
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chanserv = anything("""What\'s the name of ChanServ on your network? If
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there is no ChanServ on your network, just press
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enter without entering anything.""")
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revenge = yn('Do you want the bot to take revenge on rule breakers?')
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conf.supybot.plugins.Enforcer.ChanServ.set(chanserv)
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conf.supybot.plugins.Enforcer.takeRevenge.setValue(revenge)
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class ValidNickOrEmptyString(registry.String):
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def setValue(self, v):
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if v and not ircutils.isNick(v):
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raise registry.InvalidRegistryValue, \
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'Value must be a valid nick or the empty string.'
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self.value = v
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conf.registerPlugin('Enforcer')
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'enforce',
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registry.Boolean(True, """Determines whether the bot will enforce
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capabilities on this channel. Basically, if False, it 'turns off' the
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plugin for this channel."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoOp',
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registry.Boolean(False, """Determines whether the bot will automatically op
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people with the <channel>,op capability when they join the channel."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoHalfop',
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registry.Boolean(False, """Determines whether the bot will automatically
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halfop people with the <channel>,halfop capability when they join the
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channel."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'autoVoice',
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registry.Boolean(False, """Determines whether the bot will automatically
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voice people with the <channel>,voice capability when they join the
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channel."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'takeRevenge',
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registry.Boolean(False, """Determines whether the bot will take revenge on
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people who do things it doesn't like (somewhat like 'bitch mode' in other
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IRC bots)."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'takeRevengeOnOps',
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registry.Boolean(False, """Determines whether the bot will even take
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revenge on ops (people with the #channel,op capability) who violate the
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channel configuration."""))
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'cycleToGetOps',
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registry.Boolean(True, """Determines whether the bot will cycle the channel
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if it doesn't have ops and there's no one else in the channel."""))
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# This is a network value, not a channel value.
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conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'ChanServ',
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ValidNickOrEmptyString('', """Determines what nick the bot will consider to
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be the ChanServ on the network. ChanServ (on networks that support it) is
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obviously beyond our abilities to enforce, and so we would ignore all
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messages from it."""))
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_chanCap = ircdb.makeChannelCapability
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class Enforcer(callbacks.Privmsg):
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"""Manages various things concerning channel security. Check out the
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supybot.plugins.Enforcer.autoOp, supybot.plugins.Enforcer.autoHalfop,
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supybot.plugins.Enforcer.autoVoice, supybot.plugins.Enforcer.takeRevenge,
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supybot.plugins.Enforcer.cycleToGetOps, and
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supybot.plugins.Enforcer.ChanServ to configure the behavior of this plugin.
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"""
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def __init__(self):
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callbacks.Privmsg.__init__(self)
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self.topics = ircutils.IrcDict()
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def doJoin(self, irc, msg):
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channel = msg.args[0]
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c = ircdb.channels.getChannel(channel)
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if c.checkBan(msg.prefix):
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irc.queueMsg(ircmsgs.ban(channel, ircutils.banmask(msg.prefix)))
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irc.queueMsg(ircmsgs.kick(channel, msg.nick))
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elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
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if self.registryValue('autoOp', channel):
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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):
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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):
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irc.queueMsg(ircmsgs.voice(channel, msg.nick))
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def doTopic(self, irc, msg):
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channel = msg.args[0]
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topic = msg.args[1]
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if msg.nick != irc.nick and channel in self.topics and \
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not ircdb.checkCapabilities(msg.prefix,
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(_chanCap(channel, 'op'),
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_chanCap(channel, 'topic'))):
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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() %
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_chanCap(channel, 'topic')))
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else:
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self.topics[channel] = msg.args[1]
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def do332(self, irc, msg):
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# This command gets sent right after joining a channel.
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(channel, topic) = msg.args[1:]
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self.topics[channel] = topic
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def _isProtected(self, channel, hostmask):
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capabilities = [_chanCap(channel, 'op'),_chanCap(channel, 'protected')]
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return ircdb.checkCapabilities(hostmask, capabilities)
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def _isPowerful(self, irc, msg):
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if msg.nick == irc.nick:
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return True # It's me.
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if not ircutils.isUserHostmask(msg.prefix):
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return True # It's a server.
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chanserv = self.registryValue('ChanServ')
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if ircutils.nickEqual(msg.nick, chanserv):
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return True # It's ChanServ.
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capability = _chanCap(msg.args[0], 'op')
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if ircdb.checkCapability(msg.prefix, capability):
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return True # It's a chanop.
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return False # Default.
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def _revenge(self, irc, channel, hostmask):
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nick = ircutils.nickFromHostmask(hostmask)
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if irc.nick != nick:
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irc.queueMsg(ircmsgs.ban(channel, ircutils.banmask(hostmask)))
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irc.queueMsg(ircmsgs.kick(channel, nick))
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else:
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# This can happen if takeRevengeOnOps is True.
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self.log.info('Tried to take revenge on myself. '
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'Are you sure you want takeRevengeOnOps to be True?')
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def doKick(self, irc, msg):
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channel = msg.args[0]
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kicked = msg.args[1].split(',')
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deop = False
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if not self._isPowerful(irc, msg) or \
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self.registryValue('takeRevengeOnOps', channel):
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for nick in kicked:
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hostmask = irc.state.nickToHostmask(nick)
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if nick == irc.nick:
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# Must be a sendMsg so he joins the channel before MODEing.
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irc.sendMsg(ircmsgs.join(channel))
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deop = True
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if self._isProtected(channel, hostmask):
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deop = True
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irc.queueMsg(ircmsgs.invite(msg.args[1], channel))
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if deop:
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deop = False
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if self.registryValue('takeRevenge', channel):
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self._revenge(irc, channel, msg.prefix)
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else:
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irc.queueMsg(ircmsgs.deop(channel, msg.nick))
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def doMode(self, irc, msg):
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channel = msg.args[0]
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chanserv = self.registryValue('ChanServ', channel)
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if not ircutils.isChannel(channel) or \
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(self._isPowerful(irc, msg) and
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not self.registryValue('takeRevengeOnOps', channel)):
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return
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for (mode, value) in ircutils.separateModes(msg.args[1:]):
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if value == msg.nick:
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continue
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elif mode == '+o' and value != irc.nick:
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hostmask = irc.state.nickToHostmask(value)
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if ircdb.checkCapability(channel,
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ircdb.makeAntiCapability('op')):
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irc.queueMsg(ircmsgs.deop(channel, value))
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elif mode == '+h' and value != irc.nick:
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hostmask = irc.state.nickToHostmask(value)
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if ircdb.checkCapability(channel,
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ircdb.makeAntiCapability('halfop')):
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irc.queueMsg(ircmsgs.dehalfop(channel, value))
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elif mode == '+v' and value != irc.nick:
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hostmask = irc.state.nickToHostmask(value)
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if ircdb.checkCapability(channel,
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ircdb.makeAntiCapability('voice')):
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irc.queueMsg(ircmsgs.devoice(channel, value))
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elif mode == '-o':
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hostmask = irc.state.nickToHostmask(value)
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if self._isProtected(channel, hostmask):
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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)
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else:
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irc.queueMsg(ircmsgs.deop(channel, msg.nick))
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elif mode == '-h':
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hostmask = irc.state.nickToHostmask(value)
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if self._isProtected(channel, hostmask):
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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)
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else:
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irc.queueMsg(ircmsgs.deop(channel, msg.nick))
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elif mode == '-v':
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hostmask = irc.state.nickToHostmask(value)
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if self._isProtected(channel, hostmask):
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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)
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else:
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irc.queueMsg(ircmsgs.deop(channel, msg.nick))
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elif mode == '+b':
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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)
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else:
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irc.queueMsg(ircmsgs.deop(channel, msg.nick))
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def _cycle(self, irc, channel):
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if self.registryValue('cycleToGetOps', channel):
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if 'i' not in irc.state.channels[channel].modes:
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# XXX: What about keywords?
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self.log.info('Cycling %s: I\'m the only one left.', channel)
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irc.queueMsg(ircmsgs.part(channel))
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irc.queueMsg(ircmsgs.join(channel))
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else:
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self.log.info('Not cycling %s: it\'s +i', channel)
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def doPart(self, irc, msg):
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if msg.prefix != irc.prefix:
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channel = msg.args[0]
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c = irc.state.channels[channel]
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if len(c.users) == 1:
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if irc.nick not in c.ops:
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self._cycle(irc, channel)
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def doQuit(self, irc, msg):
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for (channel, c) in irc.state.channels.iteritems():
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if len(c.users) == 1:
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if irc.nick not in c.ops:
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self._cycle(irc, channel)
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def __call__(self, irc, msg):
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channel = msg.args[0]
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if ircutils.isChannel(channel) and \
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self.registryValue('enforce', channel):
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chanserv = self.registryValue('ChanServ', irc.network)
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if chanserv:
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if ircutils.isUserHostmask(msg.prefix):
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if msg.nick != chanserv:
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callbacks.Privmsg.__call__(self, irc, msg)
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else:
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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:
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