Added channel limit enforcement. RFE #1000368.

This commit is contained in:
Jeremy Fincher 2004-07-31 07:46:54 +00:00
parent 5d542dcdd1
commit d8d1b9f445

View File

@ -101,6 +101,21 @@ conf.registerChannelValue(conf.supybot.plugins.Enforcer, 'ChanServ',
obviously beyond our abilities to enforce, and so we would ignore all
messages from it."""))
# Limit stuff
conf.registerGroup(conf.supybot.plugins.Enforcer, 'limit')
conf.registerChannelValue(conf.supybot.plugins.Enforcer.limit, 'enforce',
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
@ -113,7 +128,21 @@ class Enforcer(callbacks.Privmsg):
callbacks.Privmsg.__init__(self)
self.topics = ircutils.IrcDict()
def _enforceLimit(self, irc, channel):
if self.registryValue('limit.enforce', 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 doJoin(self, irc, msg):
if msg.nick == irc.nick:
return
channel = msg.args[0]
c = ircdb.channels.getChannel(channel)
if c.checkBan(msg.prefix):
@ -128,6 +157,7 @@ class Enforcer(callbacks.Privmsg):
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]
@ -271,12 +301,16 @@ class Enforcer(callbacks.Privmsg):
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]