mirror of
https://github.com/Mikaela/Limnoria.git
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191 lines
8.6 KiB
Python
191 lines
8.6 KiB
Python
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#!/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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ChannelEnforcer: 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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"""
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from baseplugin import *
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import conf
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import ircdb
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import ircmsgs
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import privmsgs
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import ircutils
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###
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# ChannelEnforcer: Enforces capabilities on JOIN, MODE, KICK, etc.
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###
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_chanCap = ircdb.makeChannelCapability
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class ChannelEnforcer(callbacks.Privmsg):
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def startenforcer(self, irc, msg, args):
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"""[<CHANSERV> <revenge> <topicPrefix>]"""
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self.topics = {}
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(chanserv, revenge) = privmsgs.getArgs(args, needed=0, optional=2)
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self.chanserv = chanserv or 'ChanServ'
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self.started = True
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self.reply(irc, msg, conf.replySuccess)
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startenforcer = privmsgs.checkCapability(startenforcer, 'admin')
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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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irc.queueMsg(ircmsgs.op(channel, msg.nick))
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elif ircdb.checkCapability(msg.prefix, _chanCap(channel, 'halfop')):
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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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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 \
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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.revenge:
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irc.queueMsg(ircmsgs.kick(channel, msg.nick,
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conf.replyNoCapability % \
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_chanCap(channel, 'topic')))
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elif not topic.startswith(self.topicPrefix):
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irc.queueMsg(ircmsgs.topic(channel, self.topicPrefix + topic))
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if self.revenge:
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irc.queueMsg(ircmsgs.kick(channel, msg.nick,
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'Topics must begin with the prefix "%s"' % self.topicPrefix))
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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 _revenge(self, irc, channel, hostmask):
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irc.queueMsg(ircmsgs.ban(channel, ircutils.banmask(hostmask)))
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irc.queueMsg(ircmsgs.kick(channel,ircutils.nickFromHostmask(hostmask)))
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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 msg.nick != irc.nick and\
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not ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
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for nick in kicked:
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hostmask = irc.state.nickToHostmask(nick)
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if self._isProtected(channel, hostmask):
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deop = True
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irc.queueMsg(ircmsgs.invite(channel, msg.args[1]))
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if deop:
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deop = False
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if self.revenge:
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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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if not ircutils.isChannel(channel):
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return
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if msg.nick != irc.nick and\
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not ircdb.checkCapability(msg.prefix, _chanCap(channel, 'op')):
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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.revenge:
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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.revenge:
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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.revenge:
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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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# To be safe, only #channel.ops are allowed to ban.
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if not ircdb.checkCapability(msg.prefix,
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_chanCap(channel, 'op')):
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irc.queueMsg(ircmsgs.unban(channel, value))
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if self.revenge:
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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 __call__(self, irc, msg):
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if msg.prefix == self.chanserv:
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return
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else:
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return BasePlugin.__call__(self, irc, msg)
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Class = ChannelEnforcer
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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