Limnoria/plugins/Ctcp.py

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#!/usr/bin/env python
###
# Copyright (c) 2002-2004, Jeremiah Fincher
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# 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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Handles standard CTCP responses to PING, TIME, SOURCE, VERSION, USERINFO,
and FINGER.
"""
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__revision__ = "$Id$"
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import supybot.plugins as plugins
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import os
import sys
import time
sys.path.append(os.pardir)
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
import supybot.registry as registry
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import supybot.schedule as schedule
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import supybot.callbacks as callbacks
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conf.registerPlugin('Ctcp')
conf.registerGlobalValue(conf.supybot.abuse.flood, 'ctcp',
registry.Boolean(True, """Determines whether the bot will defend itself
against CTCP flooding."""))
conf.registerGlobalValue(conf.supybot.abuse.flood.ctcp, 'maximum',
registry.PositiveInteger(5, """Determines how many CTCP messages (not
including actions) the bot will reply to from a given user in a minute.
If a user sends more than this many CTCP messages in a 60 second period,
the bot will ignore CTCP messages from this user for
supybot.abuse.flood.ctcp.punishment seconds."""))
conf.registerGlobalValue(conf.supybot.abuse.flood.ctcp, 'punishment',
registry.PositiveInteger(300, """Determines how many seconds the bot will
ignore CTCP messages from users who flood it with CTCP messages."""))
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conf.registerGlobalValue(conf.supybot.plugins.Ctcp, 'versionWait',
registry.PositiveInteger(10, """Determines how many seconds the bot will
wait after getting a version command (not a CTCP VERSION, but an actual
call of the command in this plugin named "version") before replying with
the results it has collected."""))
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class Ctcp(callbacks.PrivmsgCommandAndRegexp):
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public = False
def __init__(self):
self.__parent = super(Ctcp, self)
self.__parent.__init__()
self.ignores = ircutils.IrcDict()
self.floods = ircutils.FloodQueue(60)
def callCommand(self, name, irc, msg, *L, **kwargs):
if conf.supybot.abuse.flood.ctcp():
now = time.time()
for (ignore, expiration) in self.ignores.items():
if expiration < now:
del self.ignores[ignore]
elif ircutils.hostmaskPatternEqual(ignore, msg.prefix):
return
self.floods.enqueue(msg)
max = conf.supybot.abuse.flood.ctcp.maximum()
if self.floods.len(msg) > max:
expires = conf.supybot.abuse.flood.ctcp.punishment()
self.log.warning('Apparent CTCP flood from %s, '
'ignoring CTCP messages for %s seconds.',
msg.prefix, expires)
ignoreMask = '*!%s@%s' % (msg.user, msg.host)
self.ignores[ignoreMask] = now + expires
return
self.__parent.callCommand(name, irc, msg, *L, **kwargs)
def _reply(self, irc, msg, s):
s = '\x01%s\x01' % s
irc.reply(s, notice=True, private=True, to=msg.nick)
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regexps = ('ctcpPing', 'ctcpVersion', 'ctcpUserinfo',
'ctcpTime', 'ctcpFinger', 'ctcpSource')
def ctcpPing(self, irc, msg, match):
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"\x01PING (.*)\x01"
self.log.info('Received CTCP PING from %s', msg.prefix)
self._reply(irc, msg, 'PING %s' % match.group(1))
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def ctcpVersion(self, irc, msg, match):
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"\x01VERSION\x01"
self.log.info('Received CTCP VERSION from %s', msg.prefix)
self._reply(irc, msg, 'VERSION Supybot %s' % conf.version)
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def ctcpUserinfo(self, irc, msg, match):
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"\x01USERINFO\x01"
self.log.info('Received CTCP USERINFO from %s', msg.prefix)
self._reply(irc, msg, 'USERINFO')
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def ctcpTime(self, irc, msg, match):
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"\x01TIME\x01"
self.log.info('Received CTCP TIME from %s' % msg.prefix)
self._reply(irc, msg, time.ctime())
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def ctcpFinger(self, irc, msg, match):
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"\x01FINGER\x01"
self.log.info('Received CTCP FINGER from %s' % msg.prefix)
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self._reply(irc, msg, 'Supybot, the best Python IRC bot in existence!')
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def ctcpSource(self, irc, msg, match):
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"\x01SOURCE\x01"
self.log.info('Received CTCP SOURCE from %s' % msg.prefix)
self._reply(irc, msg, 'http://www.sourceforge.net/projects/supybot/')
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def doNotice(self, irc, msg):
if ircmsgs.isCtcp(msg):
try:
(version, payload) = msg.args[1][1:-1].split(None, 1)
except ValueError:
return
if version == 'VERSION':
self.versions.setdefault(payload, []).append(msg.nick)
def version(self, irc, msg, args):
"""[<channel>] [--nicks]
Sends a CTCP VERSION to <channel>, returning the various
version strings returned. It waits for 10 seconds before returning
the versions received at that point. If --nicks is given, nicks are
associated with the version strings; otherwise, only the version
strings are given.
"""
self.versions = ircutils.IrcDict()
nicks = False
while '--nicks' in args:
nicks = True
args.remove('--nicks')
channel = privmsgs.getChannel(msg, args)
irc.queueMsg(ircmsgs.privmsg(channel, '\x01VERSION\x01'))
def doReply():
if self.versions:
L = []
for (reply, nicks) in self.versions.iteritems():
if nicks:
L.append('%s responded with %r' %
(utils.commaAndify(nicks), reply))
else:
L.append(reply)
irc.reply(utils.commaAndify(L))
else:
irc.reply('I received no version responses.')
wait = self.registryValue('versionWait')
schedule.addEvent(doReply, time.time()+wait)
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Class = Ctcp
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: