mirror of
https://github.com/jlu5/SupyPlugins.git
synced 2025-04-26 21:11:14 -05:00
93e558d17c
Internally, the relay database doesn't care about case mappings - channel names are stored lowercase, word for word. Using ircutils.toLower for channel names in the relay core breaks if the channel name has characters that when lowercased using RFC1459 case mapping, give a different literal result (e.g. #\\\ becomes #|||, which isn't in a relay)
499 lines
20 KiB
Python
499 lines
20 KiB
Python
###
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# Copyright (c) 2015, James Lu
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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from copy import deepcopy
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import pickle
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import re
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import textwrap
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import supybot.world as world
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import supybot.irclib as irclib
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import supybot.ircmsgs as ircmsgs
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import supybot.ircdb as ircdb
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import supybot.conf as conf
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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from supybot.utils.structures import TimeoutQueue
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try:
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from supybot.i18n import PluginInternationalization
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_ = PluginInternationalization('RelayNext')
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except ImportError:
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# Placeholder that allows to run the plugin on a bot
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# without the i18n module
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_ = lambda x: x
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filename = conf.supybot.directories.data.dirize("RelayNext.db")
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class RelayNext(callbacks.Plugin):
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"""Next generation relayer plugin."""
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threaded = True
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noIgnore = True
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### Database handling
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def loadDB(self):
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try:
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with open(filename, 'rb') as f:
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self.db = pickle.load(f)
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except Exception as e:
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self.log.debug('RelayNext: Unable to load pickled database: %s', e)
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def exportDB(self):
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try:
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with open(filename, 'wb') as f:
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pickle.dump(self.db, f, 2)
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except Exception as e:
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self.log.warning('RelayNext: Unable to write pickled database: %s',
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e)
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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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self.floodTriggered = {}
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self.db = {}
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self.loadDB()
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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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world.flushers.remove(self.exportDB)
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self.__parent.die()
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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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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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s = ''
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nick = msg.nick
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userhost = ''
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noHighlight = self.registryValue('noHighlight', channel)
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useHostmask = self.registryValue('hostmasks', channel)
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color = self.registryValue('color', channel)
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netname = irc.network.lower()
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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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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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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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else:
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if msg.command == 'NICK':
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newnick = msg.args[0]
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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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text = text[8:-1]
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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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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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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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if noHighlight:
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kicked = '-' + kicked
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s = '- %s (%s) has been kicked from %s by %s (%s)' % (kicked,
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userhost, channel, nick, msg.args[2])
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if s: # Add the network name and some final touch-ups
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s = "\x02[%s]\x02 %s" % (netname, s)
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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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ignoredevents = map(str.upper, self.registryValue('events.userIgnored'))
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if msg.command in ignoredevents and ircdb.checkIgnored(msg.prefix):
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self.log.debug("RelayNext (%s): ignoring message from %s",
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irc.network, msg.prefix)
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return
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# Get the source channel
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source = "%s@%s".lower() % (channel, irc.network)
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out_s = self._format(irc, msg, channel)
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if out_s:
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for relay in self.db.values():
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if source in relay: # If our channel is in a relay
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self.log.debug("RelayNext: found %s to be in relay %s", source, relay)
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# Remove ourselves from the target channels so we don't get duplicated messages
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targets = list(relay)
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targets.remove(source)
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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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timeout = self.registryValue("antiflood.timeout", channel)
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seconds = self.registryValue("antiflood.seconds", channel)
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maximum = self.registryValue("antiflood.maximum", channel)
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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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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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if len(self.msgcounters[(source, msg.command)]) > maximum:
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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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return
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c = msg.command.lower()
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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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target, net = cn.split("@")
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otherIrc = world.getIrc(net)
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if otherIrc is None:
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self.log.debug("RelayNext: message to network %r"
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" dropped, we are not connected "
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"there!", net)
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return
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target_chanobj = otherIrc.state.channels.get(target)
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if (not target_chanobj) or otherIrc.nick not in target_chanobj.users:
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# We're not in the target relay channel!
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self.log.debug("RelayNext: message to %s@%s "
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"dropped, we are not in that "
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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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out_msg.tag('relayedMsg')
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otherIrc.queueMsg(out_msg)
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def doPrivmsg(self, irc, msg):
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self.relay(irc, msg)
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def doNonPrivmsg(self, irc, msg):
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if self.registryValue("events.relay%ss" % msg.command, msg.args[0]):
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self.relay(irc, msg)
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doTopic = doPart = doKick = doMode = doJoin = doNonPrivmsg
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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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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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self.relay(irc, msg, channel=channel)
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def outFilter(self, irc, msg):
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# Catch our own messages and send them into the relay (this is
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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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except Exception:
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# We want to log errors, but not block the bot's output
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log.exception("RelayNext: Caught error in outFilter:")
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finally:
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return msg
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### User commands
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def nicks(self, irc, msg, args, channel, optlist):
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"""[<channel>] [--count]
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Returns the nicks of the people in the linked channels.
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<channel> is only necessary if the message isn't sent in the channel
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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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irc.network, channel)
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irc.error(('You are not in %s.' % channel), Raise=True)
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source = "%s@%s" % (channel, irc.network)
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source = source.lower()
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totalChans = 0
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totalUsers = 0
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allUsers = []
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# Make a set to prevent duplicates since one channel
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# can be part of many relays
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Relays = set()
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for relay in self.db.values():
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if source in relay:
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for cn in relay:
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Relays.add(cn)
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for cn in Relays:
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totalChans += 1
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channel, net = cn.split("@", 1)
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try:
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c = world.getIrc(net).state.channels[channel]
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except (KeyError, AttributeError):
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# Unknown network or network disconnected.
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continue
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totalUsers += len(c.users)
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users = []
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for s in sorted(c.users):
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s = s.strip()
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if s in c.ops:
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users.append('@%s' % s)
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elif s in c.halfops:
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users.append('%%%s' % s)
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elif s in c.voices:
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users.append('+%s' % s)
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else:
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users.append(s)
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allUsers += c.users
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s = format('%s users in %s on %s: %L', len(c.users),
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channel, net, users)
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# Ugh, this is ugly, but https://github.com/ProgVal/Limnoria/issues/1080
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# means we have to chop off the (XX more messages) part too.
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# Unfortunately, this plugin isn't localized yet and won't work in other languages.
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allowedLength = 466 - len(irc.prefix) - len(irc.nick) - len(msg.nick) - \
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len(_('(XX more messages)'))
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replies = textwrap.wrap(s, allowedLength)
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if 'count' not in opts:
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irc.reply(replies[0], private=True, notice=True)
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for s in replies[1:]:
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irc.reply("... %s" % s, private=True, notice=True)
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if 'count' in opts:
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irc.reply(totalUsers)
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else:
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irc.reply("Total users across %d channels: %d. Unique nicks: %d" %
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(totalChans, totalUsers, len(set(allUsers))),
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private=True)
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nicks = wrap(nicks, ['Channel', getopts({'count': ''})])
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def checkRelays(self, irc, relays):
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for relay in relays:
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r = relay.split("@")
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if len(r) != 2 or not (ircutils.isChannel(r[0]) and r[1]):
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irc.error("Channels must be given in the form "
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"#channel@networkname.", Raise=True)
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def set(self, irc, msg, args, rid, relays):
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"""<relay name> <#channel1>@<network1> <#channel2>@<network2> [<#channel3>@<network3>] ...
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Sets <relay name> to relay between the specified channels,
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replacing it if it already exists. Each relay requires at least
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two channels to relay between.
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"""
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relays = set(map(str.lower, relays))
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if len(relays) < 2:
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irc.error("Not enough channels to relay between (need at least "
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"2).", Raise=True)
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self.checkRelays(irc, relays)
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self.db[rid] = relays
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irc.replySuccess()
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set = wrap(set, ['admin', 'somethingWithoutSpaces',
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many('somethingWithoutSpaces')])
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def add(self, irc, msg, args, rid, relays):
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"""<relay name> [<#channel1>@<network1>] [<#channel2>@<network2>] ...
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Adds the specified channels to an existing relay <relay name>,
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creating it if it does not already exist.
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"""
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# Supybot's internals are terribly inconsistent here, only
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# returning a list IF there are more than one items. Otherwise,
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# the object is returned alone.
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if type(relays) == list:
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relays = set(map(str.lower, relays))
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else:
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relays = set([relays.lower()])
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self.checkRelays(irc, relays)
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if rid not in self.db.keys() and len(relays) < 2:
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irc.error("Not enough channels to relay between (need at least "
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"2).", Raise=True)
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try:
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new_relays = set(self.db[rid])
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except KeyError:
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self.db[rid] = new_relays = set()
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new_relays.update(relays)
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self.db[rid] = new_relays
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irc.replySuccess()
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add = wrap(add, ['admin', 'somethingWithoutSpaces',
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many('somethingWithoutSpaces')])
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def remove(self, irc, msg, args, rid, relays):
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"""<relay name> [<#channel1>@<network1>] [<#channel2>@<network2>] ...
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Removes the specified channels from <relay name>. If no channels
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are given, removes the entire relay.
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"""
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try:
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current_relays = self.db[rid]
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except KeyError:
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irc.error("No such relay '%s' exists." % rid, Raise=True)
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if not relays:
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del self.db[rid]
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irc.replySuccess()
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return
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relays = list(map(str.lower, relays))
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self.checkRelays(irc, relays)
|
|
missing = []
|
|
for relay in relays:
|
|
if relay not in current_relays:
|
|
missing.append(relay)
|
|
current_relays.discard(relay)
|
|
if len(current_relays) < 2:
|
|
del self.db[rid]
|
|
if missing:
|
|
s = format("However, the following channels were not removed "
|
|
"because they were not found in the original relay: %L",
|
|
missing)
|
|
irc.replySuccess(s)
|
|
return
|
|
irc.replySuccess()
|
|
remove = wrap(remove, ['admin', 'somethingWithoutSpaces',
|
|
any('somethingWithoutSpaces')])
|
|
|
|
def list(self, irc, msg, args):
|
|
"""takes no arguments.
|
|
|
|
Lists all relays currently configured."""
|
|
items = [format("%s: %s", ircutils.bold(k), ' \x02<=>\x02 '.join(v))
|
|
for (k, v) in self.db.items()]
|
|
if not items:
|
|
irc.error("No relays have been defined.", Raise=True)
|
|
irc.reply(', '.join(items))
|
|
|
|
def clear(self, irc, msg, args):
|
|
"""takes no arguments.
|
|
|
|
Clears all relays defined.
|
|
"""
|
|
self.db = {}
|
|
irc.replySuccess()
|
|
clear = wrap(clear, ['admin'])
|
|
|
|
Class = RelayNext
|
|
|
|
|
|
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
|