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261 lines
13 KiB
Python
261 lines
13 KiB
Python
# relay_clientbot.py: Clientbot extensions for Relay
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import string
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import time
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from pylinkirc import utils, conf, world
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from pylinkirc.log import log
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# Clientbot default styles:
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# These use template strings as documented @ https://docs.python.org/3/library/string.html#template-strings
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default_styles = {'MESSAGE': '\x02[$netname]\x02 <$mode_prefix$colored_sender> $text',
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'KICK': '\x02[$netname]\x02 - $colored_sender$sender_identhost has kicked $target_nick from $channel ($text)',
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'PART': '\x02[$netname]\x02 - $colored_sender$sender_identhost has left $channel ($text)',
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'JOIN': '\x02[$netname]\x02 - $colored_sender$sender_identhost has joined $channel',
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'NICK': '\x02[$netname]\x02 - $colored_sender$sender_identhost is now known as $newnick',
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'QUIT': '\x02[$netname]\x02 - $colored_sender$sender_identhost has quit ($text)',
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'ACTION': '\x02[$netname]\x02 * $mode_prefix$colored_sender $text',
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'NOTICE': '\x02[$netname]\x02 - Notice from $mode_prefix$colored_sender: $text',
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'SQUIT': '\x02[$netname]\x02 - Netsplit lost users: $colored_nicks',
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'SJOIN': '\x02[$netname]\x02 - Netjoin gained users: $colored_nicks',
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'MODE': '\x02[$netname]\x02 - $colored_sender$sender_identhost sets mode $modes on $channel',
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'PM': 'PM from $sender on $netname: $text',
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'PNOTICE': '<$sender> $text',
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}
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def color_text(s):
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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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"""
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colors = ('03', '04', '05', '06', '07', '08', '09', '10', '11', '12', '13', '15')
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hash_output = hash(s.encode())
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num = hash_output % len(colors)
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return "\x03%s%s\x03" % (colors[num], s)
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def cb_relay_core(irc, source, command, args):
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"""
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This function takes Clientbot events and formats them as text to the target channel / user.
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"""
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real_command = command.split('_')[-1]
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relay = world.plugins.get('relay')
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private = False
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if irc.pseudoclient and relay:
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try:
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sourcename = irc.get_friendly_name(source)
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except KeyError: # User has left due to /quit
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sourcename = args['userdata'].nick
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relay_conf = conf.conf.get('relay') or {}
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# Be less floody on startup: don't relay non-PRIVMSGs for the first X seconds after connect.
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startup_delay = relay_conf.get('clientbot_startup_delay', 20)
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# Special case for CTCPs.
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if real_command == 'MESSAGE':
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# CTCP action, format accordingly
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if (not args.get('is_notice')) and args['text'].startswith('\x01ACTION ') and args['text'].endswith('\x01'):
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args['text'] = args['text'][8:-1]
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real_command = 'ACTION'
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elif not irc.is_channel(args['target'].lstrip(''.join(irc.prefixmodes.values()))):
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# Target is a user; handle this accordingly.
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if relay_conf.get('allow_clientbot_pms'):
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real_command = 'PNOTICE' if args.get('is_notice') else 'PM'
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private = True
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# Other CTCPs are ignored
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elif args['text'].startswith('\x01'):
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return
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elif args.get('is_notice'): # Different syntax for notices
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real_command = 'NOTICE'
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elif (time.time() - irc.start_ts) < startup_delay:
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log.debug('(%s) relay_cb_core: Not relaying %s because of startup delay of %s.', irc.name,
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real_command, startup_delay)
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return
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# Try to fetch the format for the given command from the relay:clientbot_styles:$command
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# key, falling back to one defined in default_styles above, and then nothing if not found
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# there.
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text_template = irc.get_service_option('relay', 'clientbot_styles', {}).get(
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real_command, default_styles.get(real_command, ''))
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text_template = string.Template(text_template)
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if text_template:
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if irc.get_service_bot(source):
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# HACK: service bots are global and lack the relay state we look for.
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# just pretend the message comes from the current network.
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log.debug('(%s) relay_cb_core: Overriding network origin to local (source=%s)', irc.name, source)
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sourcenet = irc.name
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realsource = source
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else:
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# Get the original client that the relay client source was meant for.
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log.debug('(%s) relay_cb_core: Trying to find original sender (user) for %s', irc.name, source)
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try:
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origuser = relay.get_orig_user(irc, source) or args['userdata'].remote
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except (AttributeError, KeyError):
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log.debug('(%s) relay_cb_core: Trying to find original sender (server) for %s. serverdata=%s', irc.name, source, args.get('serverdata'))
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try:
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localsid = args.get('serverdata') or irc.servers[source]
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origuser = (localsid.remote, world.networkobjects[localsid.remote].uplink)
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except (AttributeError, KeyError):
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return
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log.debug('(%s) relay_cb_core: Original sender found as %s', irc.name, origuser)
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sourcenet, realsource = origuser
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try: # Try to get the full network name
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netname = conf.conf['servers'][sourcenet]['netname']
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except KeyError:
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netname = sourcenet
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# Figure out where the message is destined to.
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stripped_target = target = args.get('channel') or args.get('target')
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if target is not None:
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# HACK: cheap fix to prevent @#channel messages from interpreted as non-channel specific
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stripped_target = target.lstrip(''.join(irc.prefixmodes.values()))
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if target is None or not (irc.is_channel(stripped_target) or private):
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# Non-channel specific message (e.g. QUIT or NICK). If this isn't a PM, figure out
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# all channels that the sender shares over the relay, and relay them to those
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# channels.
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userdata = args.get('userdata') or irc.users.get(source)
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if not userdata:
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# No user data given. This was probably some other global event such as SQUIT.
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userdata = irc.pseudoclient
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targets = [channel for channel in userdata.channels if relay.get_relay(irc, channel)]
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else:
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# Pluralize the channel so that we can iterate over it.
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targets = [target]
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args['channel'] = stripped_target
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log.debug('(%s) relay_cb_core: Relaying event %s to channels: %s', irc.name, real_command, targets)
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identhost = ''
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if source in irc.users:
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try:
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identhost = irc.get_hostmask(source).split('!')[-1]
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except KeyError: # User got removed due to quit
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identhost = '%s@%s' % (args['olduser'].ident, args['olduser'].host)
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# This is specifically spaced so that ident@host is only shown for users that have
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# one, and not servers.
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identhost = ' (%s)' % identhost
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# $target_nick: Convert the target for kicks, etc. from a UID to a nick
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if args.get("target") in irc.users:
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args["target_nick"] = irc.get_friendly_name(args['target'])
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# Join up modes from their list form
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if args.get('modes'):
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args['modes'] = irc.join_modes(args['modes'])
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mode_prefix = ''
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if 'channel' in args:
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# Display the real (remote) channel name instead of the local one, if applicable.
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args['local_channel'] = args['channel']
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log.debug('(%s) relay_clientbot: coersing $channel from %s to %s', irc.name, args['local_channel'], args['channel'])
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sourceirc = world.networkobjects.get(sourcenet)
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log.debug('(%s) relay_clientbot: Checking prefix modes for %s on %s (relaying to %s)',
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irc.name, realsource, sourcenet, args['channel'])
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if sourceirc:
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args['channel'] = remotechan = relay.get_remote_channel(irc, sourceirc, args['channel'])
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if source in irc.users and remotechan in sourceirc.channels and \
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realsource in sourceirc.channels[remotechan].users:
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# Fetch the prefixmode prefixes (e.g. ~@%) for the sender, if available.
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prefixmodes = sourceirc.channels[remotechan].get_prefix_modes(realsource)
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log.debug('(%s) relay_clientbot: got prefix modes %s for %s on %s@%s',
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irc.name, prefixmodes, realsource, remotechan, sourcenet)
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if prefixmodes:
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# Only pick the highest prefix.
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mode_prefix = sourceirc.prefixmodes.get(
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sourceirc.cmodes.get(prefixmodes[0]))
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args.update({
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'netname': netname, 'sender': sourcename, 'sender_identhost': identhost,
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'colored_sender': color_text(sourcename), 'colored_netname': color_text(netname),
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'mode_prefix': mode_prefix
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})
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for target in targets:
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cargs = args.copy() # Copy args list to manipulate them in a channel specific way
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# $nicks / $colored_nicks: used when the event affects multiple users, such as SJOIN or SQUIT.
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# For SJOIN, this is simply a list of nicks. For SQUIT, this is sent as a dict
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# mapping channels to lists of nicks, as netsplits aren't channel specific but
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# still have to be relayed as such.
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nicklist = args.get('nicks')
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if nicklist:
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# Get channel-specific nick list if relevent.
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if isinstance(nicklist, dict):
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nicklist = nicklist.get(target, [])
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# Ignore if no nicks are affected on the channel.
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if not nicklist:
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continue
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colored_nicks = [color_text(nick) for nick in nicklist]
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# Join both the nicks and colored_nicks fields into a comma separated string.
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cargs['nicks'] = ', '.join(nicklist)
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cargs['colored_nicks'] = ', '.join(colored_nicks)
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text = text_template.safe_substitute(cargs)
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# PMs are always sent as notice - this prevents unknown command loops with bots.
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irc.msg(target, text, loopback=False, notice=private)
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utils.add_hook(cb_relay_core, 'CLIENTBOT_MESSAGE')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_KICK')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_PART')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_JOIN')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_QUIT')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_NICK')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_SJOIN')
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utils.add_hook(cb_relay_core, 'CLIENTBOT_SQUIT')
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utils.add_hook(cb_relay_core, 'RELAY_RAW_MODE')
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@utils.add_cmd
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def rpm(irc, source, args):
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"""<target> <text>
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Sends PMs to users over the relay, if Clientbot PMs are enabled.
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"""
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try:
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target = args[0]
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text = ' '.join(args[1:])
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except IndexError:
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irc.error('Not enough arguments. Needs 2: target nick and text.')
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return
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relay = world.plugins.get('relay')
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if irc.has_cap('can-spawn-clients'):
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irc.error('This command is only supported on Clientbot networks. Try /msg %s <text>' % target)
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return
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elif relay is None:
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irc.error('PyLink Relay is not loaded.')
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return
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elif not text:
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irc.error('No text given.')
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return
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elif not conf.conf.get('relay').get('allow_clientbot_pms'):
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irc.error('Private messages with users connected via Clientbot have been '
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'administratively disabled.')
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return
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uid = irc.nick_to_uid(target)
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if not uid:
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irc.error('Unknown user %s.' % target)
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return
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elif not relay.is_relay_client(irc, uid):
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irc.error('%s is not a relay user.' % target)
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return
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else:
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assert not irc.is_internal_client(source), "rpm is not allowed from PyLink bots"
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# Send the message through relay by faking a hook for its handler.
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relay.handle_messages(irc, source, 'RELAY_CLIENTBOT_PRIVMSG', {'target': uid, 'text': text})
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irc.reply('Message sent.')
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