Limnoria/plugins/Ctcp/plugin.py

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###
# Copyright (c) 2002-2004, Jeremiah Fincher
# 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.
###
import time
import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.schedule as schedule
import supybot.callbacks as callbacks
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('Ctcp')
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class Ctcp(callbacks.PluginRegexp):
"""Provides replies to common CTCPs (version, time, etc.), and a command
to fetch version responses from channels."""
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public = False
regexps = ('ctcpPing', 'ctcpVersion', 'ctcpUserinfo',
'ctcpTime', 'ctcpFinger', 'ctcpSource')
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def __init__(self, irc):
self.__parent = super(Ctcp, self)
self.__parent.__init__(irc)
self.ignores = ircutils.IrcDict()
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self.floods = ircutils.FloodQueue(conf.supybot.abuse.flood.interval())
conf.supybot.abuse.flood.interval.addCallback(self.setFloodQueueTimeout)
def setFloodQueueTimeout(self, *args, **kwargs):
self.floods.timeout = conf.supybot.abuse.flood.interval()
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def callCommand(self, command, irc, msg, *args, **kwargs):
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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(command, irc, msg, *args, **kwargs)
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def _reply(self, irc, msg, s):
s = '\x01%s\x01' % s
irc.reply(s, notice=True, private=True, to=msg.nick)
def ctcpPing(self, irc, msg, match):
"^\x01PING(?: (.+))?\x01$"
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self.log.info('Received CTCP PING from %s', msg.prefix)
payload = match.group(1)
if payload:
self._reply(irc, msg, 'PING %s' % match.group(1))
else:
self._reply(irc, msg, 'PING')
def ctcpVersion(self, irc, msg, match):
"^\x01VERSION\x01$"
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self.log.info('Received CTCP VERSION from %s', msg.prefix)
self._reply(irc, msg, 'VERSION Supybot %s' % conf.version)
def ctcpUserinfo(self, irc, msg, match):
"^\x01USERINFO\x01$"
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self.log.info('Received CTCP USERINFO from %s', msg.prefix)
self._reply(irc, msg, 'USERINFO %s' % self.registryValue('userinfo'))
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def ctcpTime(self, irc, msg, match):
"^\x01TIME\x01$"
self.log.info('Received CTCP TIME from %s', msg.prefix)
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self._reply(irc, msg, 'TIME %s' % time.ctime())
def ctcpFinger(self, irc, msg, match):
"^\x01FINGER\x01$"
self.log.info('Received CTCP FINGER from %s', msg.prefix)
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self._reply(irc, msg, 'FINGER ' +
_('Supybot, the best Python IRC bot in existence!'))
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def ctcpSource(self, irc, msg, match):
"^\x01SOURCE\x01$"
self.log.info('Received CTCP SOURCE from %s', msg.prefix)
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self._reply(irc, msg,
'SOURCE https://github.com/ProgVal/Limnoria')
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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)
@internationalizeDocstring
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def version(self, irc, msg, args, channel, optlist):
"""[<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
for (option, arg) in optlist:
if option == 'nicks':
nicks = True
irc.queueMsg(ircmsgs.privmsg(channel, '\x01VERSION\x01'))
def doReply():
if self.versions:
L = []
for (reply, nickslist) in self.versions.iteritems():
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if nicks:
L.append(format('%L responded with %q', nickslist, reply))
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else:
L.append(reply)
irc.reply(format('%L', L))
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else:
irc.reply('I received no version responses.')
wait = self.registryValue('versionWait')
schedule.addEvent(doReply, time.time()+wait)
version = wrap(version, ['channel', getopts({'nicks':''})])
Class = Ctcp
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: