Limnoria/plugins/BadWords/plugin.py

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###
# Copyright (c) 2002-2004, Jeremiah Fincher
# Copyright (c) 2009, James McCoy
# Copyright (c) 2010-2021, Valentin Lorentz
# 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 re
import time
import supybot.conf as conf
import supybot.utils as utils
import supybot.ircdb as ircdb
import supybot.ircmsgs as ircmsgs
from supybot.commands import *
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('BadWords')
class BadWords(callbacks.Privmsg):
"""Maintains a list of words that the bot is not allowed to say.
Can also be used to kick people that say these words, if the bot
has op."""
def __init__(self, irc):
self.__parent = super(BadWords, self)
self.__parent.__init__(irc)
# This is so we can not filter certain outgoing messages (like list,
# which would be kinda useless if it were filtered).
self.filtering = True
self.lastModified = 0
self.words = conf.supybot.plugins.BadWords.words
self.phrases = conf.supybot.plugins.BadWords.phrases
def callCommand(self, name, irc, msg, *args, **kwargs):
if ircdb.checkCapability(msg.prefix, 'admin'):
self.__parent.callCommand(name, irc, msg, *args, **kwargs)
else:
irc.errorNoCapability('admin')
def sub(self, m):
replaceMethod = self.registryValue('replaceMethod')
if replaceMethod == 'simple':
return self.registryValue('simpleReplacement')
elif replaceMethod == 'nastyCharacters':
return self.registryValue('nastyChars')[:len(m.group(1))]
def inFilter(self, irc, msg):
self.filtering = True
# We need to check for bad words here rather than in doPrivmsg because
# messages don't get to doPrivmsg if the user is ignored.
if msg.command == 'PRIVMSG' and (self.words() or self.phrases()):
channel = msg.channel
self.updateRegexp(channel, irc.network)
s = ircutils.stripFormatting(msg.args[1])
if irc.isChannel(channel) \
and self.registryValue('kick', channel, irc.network):
if self.regexp.search(s):
c = irc.state.channels[channel]
cap = ircdb.makeChannelCapability(channel, 'op')
if c.isHalfopPlus(irc.nick):
if c.isHalfopPlus(msg.nick) or \
ircdb.checkCapability(msg.prefix, cap):
self.log.debug("Not kicking %s from %s, because "
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"they are halfop+ or can't be "
"kicked.", msg.nick, channel)
else:
message = self.registryValue('kick.message',
channel, irc.network)
irc.queueMsg(ircmsgs.kick(channel, msg.nick, message))
else:
self.log.warning('Should kick %s from %s, but not opped.',
msg.nick, channel)
return msg
def updateRegexp(self, channel, network):
if self.lastModified < self.words.lastModified \
or self.lastModified < self.phrases.lastModified:
self.makeRegexp(self.words() | self.phrases(), channel, network)
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self.lastModified = time.time()
def outFilter(self, irc, msg):
if self.filtering and msg.command == 'PRIVMSG' \
and (self.words() or self.phrases()):
channel = msg.channel
self.updateRegexp(channel, irc.network)
s = msg.args[1]
if self.registryValue('stripFormatting'):
s = ircutils.stripFormatting(s)
t = self.regexp.sub(self.sub, s)
if t != s:
msg = ircmsgs.privmsg(msg.args[0], t, msg=msg)
return msg
def makeRegexp(self, iterable, channel, network):
s = '(%s)' % '|'.join(map(re.escape, iterable))
if self.registryValue('requireWordBoundaries', channel, network):
s = r'\b%s\b' % s
self.regexp = re.compile(s, re.I)
@internationalizeDocstring
def list(self, irc, msg, args):
"""takes no arguments
Returns the list of words being censored.
"""
L = list(self.words() | self.phrases())
if L:
self.filtering = False
utils.sortBy(str.lower, L)
irc.reply(format('%L', L))
else:
irc.reply(_('I\'m not currently censoring any bad words.'))
list = wrap(list, ['admin'])
@internationalizeDocstring
def add(self, irc, msg, args, new_words):
"""<word> [<word> ...]
Adds all <word>s to the list of words being censored.
"""
words = self.words()
phrases = self.phrases()
for word in new_words:
if ' ' in word:
phrases.add(word)
else:
words.add(word)
self.words.setValue(words)
self.phrases.setValue(phrases)
irc.replySuccess()
add = wrap(add, ['admin', many('something')])
@internationalizeDocstring
def remove(self, irc, msg, args, old_words):
"""<word> [<word> ...]
Removes <word>s from the list of words being censored.
"""
words = self.words()
phrases = self.phrases()
for word in old_words:
words.discard(word)
phrases.discard(word)
self.words.setValue(words)
self.phrases.setValue(phrases)
irc.replySuccess()
remove = wrap(remove, ['admin', many('something')])
Class = BadWords
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: