Limnoria/plugins/Relay/plugin.py

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###
# Copyright (c) 2002-2004, Jeremiah Fincher
# Copyright (c) 2010,2015 James McCoy
# Copyright (c) 2010-2021, The Limnoria Contributors
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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.
###
import copy
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import time
import supybot.conf as conf
import supybot.utils as utils
import supybot.world as world
from supybot.commands import *
import supybot.irclib as irclib
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
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from supybot.utils.structures import MultiSet, TimeoutQueue
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('Relay')
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class Relay(callbacks.Plugin):
"""
This plugin allows you to setup a relay between networks.
Note that you must tell the bot to join the channel you wish to relay on
all networks with the ``join`` command or
``network command <network> join <channel>``
or to join the channel on all networks ``network cmdall join <channel>``.
There are several advanced alternatives to this plugin, available as
third-party plugins. You can check them out at
https://limnoria.net/plugins.xhtml#messaging
"""
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noIgnore = True
def __init__(self, irc):
self.__parent = super(Relay, self)
self.__parent.__init__(irc)
self._whois = {}
self.queuedTopics = MultiSet()
self.lastRelayMsgs = ircutils.IrcDict()
def do376(self, irc, msg):
networkGroup = conf.supybot.networks.get(irc.network)
for channel in self.registryValue('channels'):
if self.registryValue('channels.joinOnAllNetworks', channel):
if channel not in irc.state.channels:
irc.queueMsg(networkGroup.channels.join(channel))
do377 = do422 = do376
def _getRealIrc(self, irc):
if isinstance(irc, irclib.Irc):
return irc
else:
return irc.getRealIrc()
def _getIrcName(self, irc):
# We should allow abbreviations at some point.
return irc.network
@internationalizeDocstring
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def join(self, irc, msg, args, channel):
"""[<channel>]
Starts relaying between the channel <channel> on all networks. If on a
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network the bot isn't in <channel>, it'll join. This commands is
required even if the bot is in the channel on both networks; it won't
relay between those channels unless it's told to join both
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channels. If <channel> is not given, starts relaying on the channel
the message was sent in.
"""
self.registryValue('channels').add(channel)
for otherIrc in world.ircs:
if channel not in otherIrc.state.channels:
networkGroup = conf.supybot.networks.get(otherIrc.network)
otherIrc.queueMsg(networkGroup.channels.join(channel))
irc.replySuccess()
join = wrap(join, ['channel', 'admin'])
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@internationalizeDocstring
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def part(self, irc, msg, args, channel):
"""<channel>
Ceases relaying between the channel <channel> on all networks. The bot
will part from the channel on all networks in which it is on the
channel.
"""
self.registryValue('channels').discard(channel)
for otherIrc in world.ircs:
if channel in otherIrc.state.channels:
otherIrc.queueMsg(ircmsgs.part(channel))
irc.replySuccess()
part = wrap(part, ['channel', 'admin'])
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@internationalizeDocstring
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def nicks(self, irc, msg, args, channel):
"""[<channel>]
Returns the nicks of the people in the channel on the various networks
the bot is connected to. <channel> is only necessary if the message
isn't sent on the channel itself.
"""
realIrc = self._getRealIrc(irc)
if channel not in self.registryValue('channels'):
irc.error(format('I\'m not relaying in %s.', channel))
return
users = []
for otherIrc in world.ircs:
network = self._getIrcName(otherIrc)
ops = []
halfops = []
voices = []
usersS = []
if network != self._getIrcName(realIrc):
try:
Channel = otherIrc.state.channels[channel]
except KeyError:
users.append(format('(not in %s on %s)',channel,network))
continue
numUsers = 0
for s in Channel.users:
s = s.strip()
if not s:
continue
numUsers += 1
if s in Channel.ops:
ops.append('@' + s)
elif s in Channel.halfops:
halfops.append('%' + s)
elif s in Channel.voices:
voices.append('+' + s)
else:
usersS.append(s)
utils.sortBy(ircutils.toLower, ops)
utils.sortBy(ircutils.toLower, voices)
utils.sortBy(ircutils.toLower, halfops)
utils.sortBy(ircutils.toLower, usersS)
usersS = ', '.join(filter(None, list(map(', '.join,
(ops,halfops,voices,usersS)))))
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users.append(format('%s (%i): %s',
ircutils.bold(network), numUsers, usersS))
users.sort()
irc.reply('; '.join(users))
nicks = wrap(nicks, ['channel'])
def do311(self, irc, msg):
irc = self._getRealIrc(irc)
nick = ircutils.toLower(msg.args[1])
if (irc, nick) not in self._whois:
return
else:
self._whois[(irc, nick)][-1][msg.command] = msg
# These are all sent by a WHOIS response.
do301 = do311
do312 = do311
do317 = do311
do319 = do311
do320 = do311
def do318(self, irc, msg):
irc = self._getRealIrc(irc)
nick = msg.args[1]
loweredNick = ircutils.toLower(nick)
if (irc, loweredNick) not in self._whois:
return
(replyIrc, replyMsg, d) = self._whois[(irc, loweredNick)]
d['318'] = msg
s = ircutils.formatWhois(irc, d, caller=replyMsg.nick,
channel=replyMsg.args[0])
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replyIrc.reply(s)
del self._whois[(irc, loweredNick)]
def do402(self, irc, msg):
irc = self._getRealIrc(irc)
nick = msg.args[1]
loweredNick = ircutils.toLower(nick)
if (irc, loweredNick) not in self._whois:
return
(replyIrc, replyMsg, d) = self._whois[(irc, loweredNick)]
del self._whois[(irc, loweredNick)]
s = format(_('There is no %s on %s.'), nick, self._getIrcName(irc))
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replyIrc.reply(s)
do401 = do402
def _formatDisplayName(self, nick, network, channel):
displayName = nick
if self.registryValue('includeNetwork', channel):
displayName += '@' + network
return displayName
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def _formatPrivmsg(self, nick, network, msg):
channel = msg.channel
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# colorize nicks
color = self.registryValue('color', channel) # Also used further down.
if color:
nick = ircutils.IrcString(nick)
newnick = ircutils.mircColor(nick, *ircutils.canonicalColor(nick))
colors = ircutils.canonicalColor(nick, shift=4)
nick = newnick
if ircmsgs.isAction(msg):
if color:
t = ircutils.mircColor('*', *colors)
else:
t = '*'
displayName = self._formatDisplayName(nick, network, msg.channel)
s = format('%s %s %s', t, displayName, ircmsgs.unAction(msg))
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else:
if color:
lt = ircutils.mircColor('<', *colors)
gt = ircutils.mircColor('>', *colors)
else:
lt = '<'
gt = '>'
displayName = self._formatDisplayName(nick, network, msg.channel)
s = format('%s%s%s %s', lt, displayName, gt, msg.args[1])
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return s
def _sendToOthers(self, irc, msg, nick):
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assert msg.command in ('PRIVMSG', 'NOTICE', 'TOPIC')
for otherIrc in world.ircs:
if otherIrc != irc and not otherIrc.zombie:
if msg.channel in otherIrc.state.channels:
self._sendToOther(irc, otherIrc, msg, nick)
def _sendToOther(self, sourceIrc, destIrc, msg, nick):
msg = copy.deepcopy(msg)
msg.tag('relayedMsg')
if 'message-tags' in destIrc.state.capabilities_ack \
and conf.supybot.protocols.irc.experimentalExtensions():
displayName = self._formatDisplayName(
nick, sourceIrc.network, msg.channel)
# https://github.com/ircv3/ircv3-specifications/pull/452
msg.server_tags['+draft/display-name'] = displayName
destIrc.queueMsg(msg)
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def _checkRelayMsg(self, msg):
channel = msg.channel
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if channel in self.lastRelayMsgs:
q = self.lastRelayMsgs[channel]
unformatted = ircutils.stripFormatting(msg.args[1])
normalized = utils.str.normalizeWhitespace(unformatted)
for s in q:
if s in normalized:
return True
return False
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def _punishRelayers(self, msg):
assert self._checkRelayMsg(msg), 'Punishing without checking.'
who = msg.prefix
channel = msg.channel
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def notPunishing(irc, s, *args):
self.log.info('Not punishing %s in %s on %s: %s.',
msg.prefix, channel, irc.network, s, *args)
for irc in world.ircs:
if channel in irc.state.channels:
if irc.nick in irc.state.channels[channel].ops:
if who in irc.state.channels[channel].bans:
notPunishing(irc, 'already banned')
else:
self.log.info('Punishing %s in %s on %s for relaying.',
who, channel, irc.network)
irc.sendMsg(ircmsgs.ban(channel, who))
kmsg = _('You seem to be relaying, punk.')
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irc.sendMsg(ircmsgs.kick(channel, msg.nick, kmsg))
else:
notPunishing(irc, 'not opped')
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def doPrivmsg(self, irc, msg):
if ircmsgs.isCtcp(msg) and not ircmsgs.isAction(msg):
return
text = msg.args[1]
if msg.channel:
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irc = self._getRealIrc(irc)
if msg.channel not in self.registryValue('channels'):
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return
ignores = self.registryValue('ignores', msg.channel, irc.network)
for ignore in ignores:
if ircutils.hostmaskPatternEqual(ignore, msg.prefix):
self.log.debug('Refusing to relay %s, ignored by %s.',
msg.prefix, ignore)
return
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# Let's try to detect other relay bots.
if self._checkRelayMsg(msg):
if self.registryValue('punishOtherRelayBots',
msg.channel, irc.network):
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self._punishRelayers(msg)
# Either way, we don't relay the message.
else:
self.log.warning('Refusing to relay message from %s, '
'it appears to be a relay message.',
msg.prefix)
else:
network = self._getIrcName(irc)
s = self._formatPrivmsg(msg.nick, network, msg)
m = self._msgmaker(msg.channel, network, s)
self._sendToOthers(irc, m, msg.nick)
def _msgmaker(self, target, network, s):
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msg = dynamic.msg
if self.registryValue('noticeNonPrivmsgs', target, network) and \
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msg.command != 'PRIVMSG':
m = ircmsgs.notice(target, s)
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else:
m = ircmsgs.privmsg(target, s)
m.channel = target
return m
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def doJoin(self, irc, msg):
irc = self._getRealIrc(irc)
channel = msg.args[0]
if channel not in self.registryValue('channels'):
return
network = self._getIrcName(irc)
if self.registryValue('hostmasks', channel) and '!' in msg.prefix:
hostmask = format(' (%s)', msg.prefix.split('!')[1])
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else:
hostmask = ''
s = format(_('%s%s has joined on %s'), msg.nick, hostmask, network)
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doPart(self, irc, msg):
irc = self._getRealIrc(irc)
channel = msg.args[0]
if channel not in self.registryValue('channels'):
return
network = self._getIrcName(irc)
if self.registryValue('hostmasks', channel) and '!' in msg.prefix:
hostmask = format(' (%s)', msg.prefix.split('!')[1])
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else:
hostmask = ''
if len(msg.args) > 1:
s = format(_('%s%s has left on %s (%s)'),
msg.nick, hostmask, network, msg.args[1])
else:
s = format(_('%s%s has left on %s'), msg.nick, hostmask, network)
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doMode(self, irc, msg):
irc = self._getRealIrc(irc)
channel = msg.args[0]
if channel not in self.registryValue('channels'):
return
network = self._getIrcName(irc)
s = format(_('mode change by %s on %s: %s'),
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msg.nick, network, ' '.join(msg.args[1:]))
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doKick(self, irc, msg):
irc = self._getRealIrc(irc)
channel = msg.args[0]
if channel not in self.registryValue('channels'):
return
network = self._getIrcName(irc)
if len(msg.args) == 3:
s = format(_('%s was kicked by %s on %s (%s)'),
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msg.args[1], msg.nick, network, msg.args[2])
else:
s = format(_('%s was kicked by %s on %s'),
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msg.args[1], msg.nick, network)
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doNick(self, irc, msg):
irc = self._getRealIrc(irc)
newNick = msg.args[0]
network = self._getIrcName(irc)
s = format(_('nick change by %s to %s on %s'), msg.nick,newNick,network)
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for channel in self.registryValue('channels'):
if channel not in msg.tagged('channels'):
continue
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doTopic(self, irc, msg):
irc = self._getRealIrc(irc)
(channel, newTopic) = msg.args
if channel not in self.registryValue('channels'):
return
network = self._getIrcName(irc)
if self.registryValue('topicSync', channel):
m = ircmsgs.topic(channel, newTopic)
for otherIrc in world.ircs:
if irc != otherIrc:
try:
if otherIrc.state.getTopic(channel) != newTopic:
if (otherIrc, newTopic) not in self.queuedTopics:
self.queuedTopics.add((otherIrc, newTopic))
otherIrc.queueMsg(m)
else:
self.queuedTopics.remove((otherIrc, newTopic))
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except KeyError:
self.log.warning('Not on %s on %s, '
'can\'t sync topics.',
channel, otherIrc.network)
else:
s = format(_('topic change by %s on %s: %s'),
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msg.nick, network, newTopic)
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doQuit(self, irc, msg):
irc = self._getRealIrc(irc)
network = self._getIrcName(irc)
if msg.args:
s = format(_('%s has quit %s (%s)'), msg.nick, network, msg.args[0])
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else:
s = format(_('%s has quit %s.'), msg.nick, network)
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for channel in self.registryValue('channels'):
if channel not in msg.tagged('channels'):
continue
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def doError(self, irc, msg):
irc = self._getRealIrc(irc)
network = self._getIrcName(irc)
s = format(_('disconnected from %s: %s'), network, msg.args[0])
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for channel in self.registryValue('channels'):
m = self._msgmaker(channel, network, s)
self._sendToOthers(irc, m, msg.nick)
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def outFilter(self, irc, msg):
irc = self._getRealIrc(irc)
if msg.command == 'PRIVMSG':
if msg.relayedMsg:
self._addRelayMsg(msg)
else:
if msg.channel in self.registryValue('channels'):
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network = self._getIrcName(irc)
s = self._formatPrivmsg(irc.nick, network, msg)
relayMsg = self._msgmaker(msg.args[0], network, s)
self._sendToOthers(irc, relayMsg, irc.nick)
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return msg
def _addRelayMsg(self, msg):
channel = msg.channel
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if channel in self.lastRelayMsgs:
q = self.lastRelayMsgs[channel]
else:
q = TimeoutQueue(60) # XXX Make this configurable.
self.lastRelayMsgs[channel] = q
unformatted = ircutils.stripFormatting(msg.args[1])
normalized = utils.str.normalizeWhitespace(unformatted)
q.enqueue(normalized)
Class = Relay
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: