mirror of
https://github.com/jlu5/SupyPlugins.git
synced 2025-04-30 15:31:11 -05:00
RelayNext: cleanup, switch to using new msg.tagged('channels') - Closes #40.
- Drop _getAllRelaysForNetwork() and custom state keeping code, as they aren't needed anymore - Hopefully closes #41? (we may never know) - Also, don't lowercase command names in flood prevention announcements: "PRIVMSGs" looks more correct than "privmsgs" IMO
This commit is contained in:
James Lu
parent
93e558d17c
commit
867e61ea78
@ -80,14 +80,6 @@ class RelayNext(callbacks.Plugin):
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def __init__(self, irc):
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self.__parent = super(RelayNext, self)
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self.__parent.__init__(irc)
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# This part is partly taken from the Relay plugin, and is used to
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# keep track of quitting users. Since quit messages aren't
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# channel-specific, we need to keep a cached copy of our IRC state
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# file and look at that to find whether we should send a quit
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# message through the relay. The conventional check for
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# 'irc.state.channels[channel]' won't work either,
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# because the user in question has already quit.
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self.ircstates = {}
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# This part facilitates flood protection
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self.msgcounters = {}
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@ -95,11 +87,10 @@ class RelayNext(callbacks.Plugin):
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self.db = {}
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self.loadDB()
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# Add our database exporter to world.flushers, so it's automatically
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# ran on every flush cycle.
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world.flushers.append(self.exportDB)
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if irc.afterConnect:
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for channel in self._getAllRelaysForNetwork(irc):
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# irc.queueMsg(ircmsgs.who(channel))
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irc.queueMsg(ircmsgs.names(channel))
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def die(self):
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self.exportDB()
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@ -109,29 +100,20 @@ class RelayNext(callbacks.Plugin):
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### Relayer core
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def simpleHash(self, s):
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"""<text>
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Returns a colorized version of <text> based on a simple hash algorithm
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(sum of all characters)."""
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"""
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Returns a colorized version of the given text based on a simple hash algorithm
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(sum of all characters).
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"""
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colors = ('02', '03', '04', '05', '06', '07', '08', '09', '10', '11',
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'12', '13')
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num = sum([ord(char) for char in s])
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num = num % len(colors)
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return "\x03%s%s\x03" % (colors[num], s)
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def _getAllRelaysForNetwork(self, irc):
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"""Returns all the relays a network is involved with."""
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network = irc.network.lower()
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results = []
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for relay in self.db.values():
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for cn in relay:
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cn = cn.split("@")
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if cn[1] == network:
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results.append(cn[0])
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self.log.debug('RelayNext: got %r for _getAllRelaysForNetwork for %r', results, network)
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return results
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def _format(self, irc, msg, channel, announcement=False):
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"""
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Formats a relay given the IRC object, msg object, and channel.
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"""
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s = ''
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nick = msg.nick
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userhost = ''
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@ -143,15 +125,20 @@ class RelayNext(callbacks.Plugin):
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if color:
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nick = self.simpleHash(nick)
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netname = self.simpleHash(netname)
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# Attempt to mitigate highlights (for some clients) by adding
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# a hyphen in front of the nick.
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if noHighlight:
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nick = '-' + nick
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# Skip hostmask checking if the sender is a server
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# ('.') present in name
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# (i.e. a '.' is present in their name)
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if useHostmask and '.' not in nick:
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try:
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userhost = ' (%s)' % msg.prefix.split('!', 1)[1]
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except:
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pass
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if announcement:
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# Announcements use a special syntax
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s = '*** %s' % announcement
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@ -161,6 +148,7 @@ class RelayNext(callbacks.Plugin):
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if color:
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newnick = self.simpleHash(newnick)
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s = '- %s is now known as %s' % (nick, newnick)
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elif msg.command == 'PRIVMSG':
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text = msg.args[1]
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if re.match('^\x01ACTION .*\x01$', text):
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@ -168,24 +156,31 @@ class RelayNext(callbacks.Plugin):
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s = '* %s %s' % (nick, text)
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else:
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s = '<%s> %s' % (nick, msg.args[1])
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elif msg.command == 'JOIN':
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s = '- %s%s has joined %s' % (nick, userhost, channel)
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elif msg.command == 'PART':
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# Part message isn't a required field and can be empty sometimes
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# Part message isn't a required field and can be empty
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try:
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partmsg = ' (%s)' % msg.args[1]
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except:
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partmsg = ''
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s = '- %s%s has left %s%s' % (nick, userhost, channel, partmsg)
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elif msg.command == 'QUIT':
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s = '- %s has quit (%s)' % (nick, msg.args[0])
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elif msg.command == 'MODE':
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modes = ' '.join(msg.args[1:])
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s = '- %s%s set mode %s on %s' % (nick, userhost, modes, channel)
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elif msg.command == 'TOPIC':
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s = '- %s set topic on %s to: %s' % (nick, channel, msg.args[1])
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elif msg.command == 'KICK':
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kicked = msg.args[1]
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# Show the host of the kicked user, not the kicker
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userhost = irc.state.nickToHostmask(kicked).split('!', 1)[1]
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if color:
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kicked = self.simpleHash(kicked)
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@ -199,12 +194,7 @@ class RelayNext(callbacks.Plugin):
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s = s.replace("- -", "-", 1)
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return s
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def keepstate(self):
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for irc in world.ircs:
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self.ircstates[irc.network] = deepcopy(irc.state.channels)
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def relay(self, irc, msg, channel=None):
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self.keepstate()
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channel = (channel or msg.args[0]).lower()
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# Check for ignored events first
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@ -229,32 +219,57 @@ class RelayNext(callbacks.Plugin):
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self.log.debug("RelayNext: found targets %s for relay %s", targets, relay)
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if self.registryValue("antiflood.enable", channel):
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# Flood prevention timeout - how long commands of a certain type
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# should cease being relayed after flood prevention triggers
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timeout = self.registryValue("antiflood.timeout", channel)
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seconds = self.registryValue("antiflood.seconds", channel)
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# If <maximum> messages of the same kind on one channel is
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# received in <seconds> seconds, flood prevention timeout is
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# triggered.
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maximum = self.registryValue("antiflood.maximum", channel)
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seconds = self.registryValue("antiflood.seconds", channel)
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# Store the message in a counter, with the keys taking the
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# form of (source channel@network, command name). If the counter
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# doesn't already exist, create one here.
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try:
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self.msgcounters[(source, msg.command)].enqueue(msg.prefix)
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except KeyError:
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self.msgcounters[(source, msg.command)] = TimeoutQueue(seconds)
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# Two different limits: one for messages and one for all others
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if msg.command == "PRIVMSG":
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maximum = self.registryValue("antiflood.maximum", channel)
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else:
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maximum = self.registryValue("antiflood.maximum.nonPrivmsgs", channel)
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maximum = self.registryValue("antiflood.maximum.nonPrivmsgs",
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channel)
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if len(self.msgcounters[(source, msg.command)]) > maximum:
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# Amount of messages in the counter surpassed our limit,
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# announce the flood and block relaying messages of the
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# same type for X seconds
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self.log.debug("RelayNext (%s): message from %s blocked by "
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"flood protection.", irc.network, channel)
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if self.floodTriggered.get((source, msg.command)):
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# However, only send the announcement once.
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return
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c = msg.command.lower()
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c = msg.command
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e = format("Flood detected on %s (%s %ss/%s seconds), "
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"not relaying %ss for %s seconds!", channel,
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maximum, c, seconds, c, timeout)
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out_s = self._format(irc, msg, channel, announcement=e)
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self.floodTriggered[(source, msg.command)] = True
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self.log.info("RelayNext (%s): %s", irc.network, e)
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else:
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self.floodTriggered[(source, msg.command)] = False
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for cn in targets:
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# Iterate over all the relay targets for this message:
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# each target is stored internally as a #channel@netname
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# string.
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target, net = cn.split("@")
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otherIrc = world.getIrc(net)
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if otherIrc is None:
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@ -271,6 +286,9 @@ class RelayNext(callbacks.Plugin):
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"channel!", target, net)
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else:
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out_msg = ircmsgs.privmsg(target, out_s)
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# Tag the message as relayed so we (and other relayers) don't
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# try to relay it again.
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out_msg.tag('relayedMsg')
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otherIrc.queueMsg(out_msg)
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@ -286,17 +304,13 @@ class RelayNext(callbacks.Plugin):
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# NICK and QUIT aren't channel specific, so they require a bit
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# of extra handling
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def doNick(self, irc, msg):
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newnick = msg.args[0]
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for channel in self._getAllRelaysForNetwork(irc):
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if self.registryValue("events.relaynicks", channel) and \
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newnick in irc.state.channels[channel].users:
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for channel in msg.tagged('channels'):
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if self.registryValue("events.relaynicks", channel):
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self.relay(irc, msg, channel=channel)
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def doQuit(self, irc, msg):
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for channel in self._getAllRelaysForNetwork(irc):
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if self.registryValue("events.relayquits", channel) and \
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(msg.nick in self.ircstates[irc.network][channel].users \
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or msg.nick == irc.nick):
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for channel in msg.tagged('channels'):
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if self.registryValue("events.relayquits", channel):
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self.relay(irc, msg, channel=channel)
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def outFilter(self, irc, msg):
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@ -304,7 +318,6 @@ class RelayNext(callbacks.Plugin):
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# useful because Supybot is often a multi-purpose bot!)
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try:
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if msg.command == 'PRIVMSG' and not msg.relayedMsg:
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if msg.args[0].lower() in self._getAllRelaysForNetwork(irc):
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new_msg = deepcopy(msg)
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new_msg.nick = irc.nick
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self.relay(irc, new_msg, channel=msg.args[0])
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@ -323,12 +336,15 @@ class RelayNext(callbacks.Plugin):
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itself.
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If --count is specified, only the amount of users in the relay is given."""
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opts = dict(optlist)
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if irc.nested and 'count' not in keys:
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irc.error('This command cannot be nested.', Raise=True)
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try:
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c = irc.state.channels[channel]
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except KeyError:
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irc.error("Unknown channel '%s'." % channel, Raise=True)
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if msg.nick not in c.users:
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self.log.warning('RelayNext: %s on %s attempted to view'
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' nicks in %s without being in it.', msg.nick,
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