mirror of
https://github.com/jlu5/PyLink.git
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129 lines
4.6 KiB
Python
129 lines
4.6 KiB
Python
"""
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service_support.py - Implements handlers for the PyLink ServiceBot API.
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"""
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from pylinkirc import utils, world, conf
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from pylinkirc.log import log
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def spawn_service(irc, source, command, args):
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"""Handles new service bot introductions."""
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if not irc.connected.is_set():
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return
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# Service name
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name = args['name']
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# Get the ServiceBot object.
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sbot = world.services[name]
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# Look up the nick or ident in the following order:
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# 1) Network specific nick/ident settings for this service (servers::irc.name::servicename_nick)
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# 2) Global settings for this service (servicename::nick)
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# 3) The preferred nick/ident combination defined by the plugin (sbot.nick / sbot.ident)
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# 4) The literal service name.
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# settings, and then falling back to the literal service name.
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nick = irc.serverdata.get("%s_nick" % name) or conf.conf.get(name, {}).get('nick') or sbot.nick or name
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ident = irc.serverdata.get("%s_ident" % name) or conf.conf.get(name, {}).get('ident') or sbot.ident or name
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if name != 'pylink' and irc.protoname == 'clientbot':
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# Prefix service bots spawned on Clientbot to prevent possible nick collisions.
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nick = 'PyLinkService@' + nick
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# TODO: make this configurable?
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host = irc.hostname()
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# Spawning service clients with these umodes where supported. servprotect usage is a
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# configuration option.
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preferred_modes = ['oper', 'hideoper', 'hidechans', 'invisible', 'bot']
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modes = []
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if conf.conf['bot'].get('protect_services'):
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preferred_modes.append('servprotect')
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for mode in preferred_modes:
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mode = irc.umodes.get(mode)
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if mode:
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modes.append((mode, None))
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# Track the service's UIDs on each network.
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log.debug('(%s) Using nick %s for service %s', irc.name, nick, name)
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userobj = irc.proto.spawnClient(nick, ident, host, modes=modes, opertype="PyLink Service",
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manipulatable=sbot.manipulatable)
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sbot.uids[irc.name] = u = userobj.uid
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# Special case: if this is the main PyLink client being spawned,
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# assign this as irc.pseudoclient.
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if name == 'pylink':
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log.debug('(%s) irc.pseudoclient set to UID %s', irc.name, u)
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irc.pseudoclient = userobj
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# TODO: channels should be tracked in a central database, not hardcoded
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# in conf.
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channels = set(irc.serverdata.get('channels', [])) | sbot.extra_channels.get(irc.name, set())
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sbot.join(irc, channels)
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utils.add_hook(spawn_service, 'PYLINK_NEW_SERVICE')
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def handle_disconnect(irc, source, command, args):
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"""Handles network disconnections."""
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for name, sbot in world.services.items():
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try:
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del sbot.uids[irc.name]
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log.debug("coremods.service_support: removing uids[%s] from service bot %s", irc.name, sbot.name)
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except KeyError:
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continue
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utils.add_hook(handle_disconnect, 'PYLINK_DISCONNECT')
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def handle_endburst(irc, source, command, args):
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"""Handles network bursts."""
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if source == irc.uplink:
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log.debug('(%s): spawning service bots now.', irc.name)
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# We just connected. Burst all our registered services.
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for name, sbot in world.services.items():
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spawn_service(irc, source, command, {'name': name})
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utils.add_hook(handle_endburst, 'ENDBURST')
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def handle_kill(irc, source, command, args):
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"""Handle KILLs to PyLink service bots, respawning them as needed."""
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target = args['target']
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sbot = irc.isServiceBot(target)
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if sbot:
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spawn_service(irc, source, command, {'name': sbot.name})
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return
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utils.add_hook(handle_kill, 'KILL')
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def handle_kick(irc, source, command, args):
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"""Handle KICKs to the PyLink service bots, rejoining channels as needed."""
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kicked = args['target']
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channel = args['channel']
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sbot = irc.isServiceBot(kicked)
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if sbot:
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sbot.join(irc, channel)
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utils.add_hook(handle_kick, 'KICK')
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def handle_commands(irc, source, command, args):
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"""Handle commands sent to the PyLink service bots (PRIVMSG)."""
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target = args['target']
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text = args['text']
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sbot = irc.isServiceBot(target)
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if sbot:
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sbot.call_cmd(irc, source, text)
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utils.add_hook(handle_commands, 'PRIVMSG')
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# Register the main PyLink service. All command definitions MUST go after this!
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mynick = conf.conf['bot'].get("nick", "PyLink")
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myident = conf.conf['bot'].get("ident", "pylink")
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# TODO: be more specific, and possibly allow plugins to modify this to mention
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# their features?
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mydesc = "\x02%s\x02 provides extended network services for IRC." % mynick
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utils.registerService('pylink', nick=mynick, ident=myident, desc=mydesc, manipulatable=True)
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