mirror of https://github.com/Mikaela/Limnoria.git
164 lines
7.4 KiB
Python
164 lines
7.4 KiB
Python
###
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# Copyright (c) 2004, Jeremiah Fincher
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# Copyright (c) 2010-2021, Valentin Lorentz
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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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import supybot.utils as utils
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import supybot.ircdb as ircdb
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import supybot.ircmsgs as ircmsgs
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('Protector')
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class Protector(callbacks.Plugin):
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"""Prevents users from doing things they are not supposed to do on a channel,
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even if they have +o or +h."""
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def isImmune(self, irc, msg):
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if not ircutils.isUserHostmask(msg.prefix):
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self.log.debug('%q is immune, it\'s a server.', msg)
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return True # It's a server prefix.
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if ircutils.strEqual(msg.nick, irc.nick):
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self.log.debug('%q is immune, it\'s me.', msg)
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return True # It's the bot itself.
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if msg.nick in self.registryValue('immune', msg.channel, irc.network):
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self.log.debug('%q is immune, it\'s configured to be immune.', msg)
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return True
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return False
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def isOp(self, irc, channel, hostmask):
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cap = ircdb.makeChannelCapability(channel, 'op')
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if ircdb.checkCapability(hostmask, cap):
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self.log.debug('%s is an op on %s, it has %s.',
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hostmask, channel, cap)
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return True
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if ircutils.strEqual(hostmask, irc.prefix):
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return True
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return False
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def isProtected(self, irc, channel, hostmask):
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cap = ircdb.makeChannelCapability(channel, 'protected')
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if ircdb.checkCapability(hostmask, cap):
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self.log.debug('%s is protected on %s, it has %s.',
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hostmask, channel, cap)
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return True
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if ircutils.strEqual(hostmask, irc.prefix):
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return True
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return False
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def demote(self, irc, channel, nick):
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irc.queueMsg(ircmsgs.deop(channel, nick))
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def __call__(self, irc, msg):
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def ignore(reason):
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self.log.debug('Ignoring %q, %s.', msg, reason)
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if not msg.args:
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ignore('no msg.args')
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elif not msg.channel:
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ignore('not on a channel')
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elif not self.registryValue('enable', msg.channel, irc.network):
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ignore('supybot.plugins.Protector.enable is False.')
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elif msg.channel not in irc.state.channels:
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# One has to wonder how this would happen, but just in case...
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ignore('bot isn\'t in channel')
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elif irc.nick not in irc.state.channels[msg.channel].ops:
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ignore('bot is not opped')
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elif msg.nick not in irc.state.channels[msg.channel].users:
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ignore('sender is not in channel (ChanServ, maybe?)')
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elif msg.nick not in irc.state.channels[msg.channel].ops:
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ignore('sender is not an op in channel (IRCOP, maybe?)')
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elif self.isImmune(irc, msg):
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ignore('sender is immune')
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else:
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super(Protector, self).__call__(irc, msg)
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def doMode(self, irc, msg):
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channel = msg.channel
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chanOp = ircdb.makeChannelCapability(channel, 'op')
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chanVoice = ircdb.makeChannelCapability(channel, 'voice')
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chanHalfOp = ircdb.makeChannelCapability(channel, 'halfop')
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if not ircdb.checkCapability(msg.prefix, chanOp):
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irc.sendMsg(ircmsgs.deop(channel, msg.nick))
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for (mode, value) in ircutils.separateModes(msg.args[1:]):
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if not value:
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continue
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if ircutils.strEqual(value, msg.nick):
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# We allow someone to mode themselves to oblivion.
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continue
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if irc.isNick(value):
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hostmask = irc.state.nickToHostmask(value)
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if mode == '+o':
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if not self.isOp(irc, channel, hostmask):
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irc.queueMsg(ircmsgs.deop(channel, value))
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elif mode == '+h':
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if not ircdb.checkCapability(hostmask, chanHalfOp):
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irc.queueMsg(ircmsgs.dehalfop(channel, value))
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elif mode == '+v':
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if not ircdb.checkCapability(hostmask, chanVoice):
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irc.queueMsg(ircmsgs.devoice(channel, value))
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elif mode == '-o':
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if ircdb.checkCapability(hostmask, chanOp):
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irc.queueMsg(ircmsgs.op(channel, value))
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elif mode == '-h':
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if ircdb.checkCapability(hostmask, chanOp):
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irc.queueMsg(ircmsgs.halfop(channel, value))
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elif mode == '-v':
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if ircdb.checkCapability(hostmask, chanOp):
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irc.queueMsg(ircmsgs.voice(channel, value))
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else:
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assert ircutils.isUserHostmask(value)
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# Handle bans.
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def doKick(self, irc, msg):
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channel = msg.channel
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kicked = msg.args[1].split(',')
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protected = []
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for nick in kicked:
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if ircutils.strEqual(nick, irc.nick):
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return # Channel will handle the rejoin.
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for nick in kicked:
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hostmask = irc.state.nickToHostmask(nick)
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if self.isProtected(irc, channel, hostmask):
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self.log.info('%s was kicked from %s and is protected; '
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'inviting back.', hostmask, channel)
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hostmask = '%s!%s' % (nick, irc.state.nickToHostmask(nick))
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protected.append(nick)
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bans = []
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for banmask in irc.state.channels[channel].bans:
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if ircutils.hostmaskPatternEqual(banmask, hostmask):
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bans.append(banmask)
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irc.queueMsg(ircmsgs.unbans(channel, bans))
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irc.queueMsg(ircmsgs.invite(nick, channel))
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if not self.isOp(irc, channel, msg.prefix):
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self.demote(irc, channel, msg.nick)
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Class = Protector
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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