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hybrid: inherit from proto/ts6, drastically reducing the module size
This commit is contained in:
James Lu
parent
d585b60507
commit
3ae9155e78
@ -9,17 +9,15 @@ import utils
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from log import log
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from classes import *
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from ts6_common import TS6BaseProtocol
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from ts6 import TS6Protocol
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class HybridProtocol(TS6BaseProtocol):
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class HybridProtocol(TS6Protocol):
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def __init__(self, irc):
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super(HybridProtocol, self).__init__(irc)
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# This protocol module inherits from the TS6 protocol.
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super().__init__(irc)
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self.casemapping = 'ascii'
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self.sidgen = utils.TS6SIDGenerator(self.irc)
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self.uidgen = {}
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self.caps = {}
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self.hook_map = {'EOB': 'ENDBURST', 'TBURST': 'TOPIC'}
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def connect(self):
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@ -105,7 +103,6 @@ class HybridProtocol(TS6BaseProtocol):
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server=None, ip='0.0.0.0', realname=None, ts=None, opertype=None,
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manipulatable=False):
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"""Spawns a client with nick <nick> on the given IRC connection.
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Note: No nick collision / valid nickname checks are done here; it is
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up to plugins to make sure they don't introduce anything invalid."""
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server = server or self.irc.sid
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@ -146,119 +143,7 @@ class HybridProtocol(TS6BaseProtocol):
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else:
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raise NotImplementedError("Changing field %r of a client is unsupported by this protocol." % field)
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def join(self, client, channel):
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"""Joins a PyLink client to a channel."""
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channel = utils.toLower(self.irc, channel)
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if not self.irc.isInternalClient(client):
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raise LookupError('No such PyLink client exists.')
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self._send(client, "JOIN 0 %s +" % channel)
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self.irc.channels[channel].users.add(client)
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self.irc.users[client].channels.add(channel)
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def invite(self, numeric, target, channel):
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"""Sends an INVITE from a PyLink client.."""
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if not self.irc.isInternalClient(numeric):
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raise LookupError('No such PyLink client exists.')
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self._send(numeric, 'INVITE %s %s %d' % (target, channel, int(time.time())))
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def mode(self, numeric, target, modes, ts=None):
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"""Sends mode changes from a PyLink client/server."""
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# c <- :0UYAAAAAA TMODE 0 #a +o 0T4AAAAAC
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# u <- :0UYAAAAAA MODE 0UYAAAAAA :-Facdefklnou
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if (not self.irc.isInternalClient(numeric)) and \
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(not self.irc.isInternalServer(numeric)):
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raise LookupError('No such PyLink client/server exists.')
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utils.applyModes(self.irc, target, modes)
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modes = list(modes)
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if utils.isChannel(target):
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ts = ts or self.irc.channels[utils.toLower(self.irc, target)].ts
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# TMODE:
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# parameters: channelTS, channel, cmode changes, opt. cmode parameters...
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# On output, at most ten cmode parameters should be sent; if there are more,
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# multiple TMODE messages should be sent.
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# TODO(dan): this may not be required on Hybrid?
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while modes[:9]:
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# Seriously, though. If you send more than 10 mode parameters in
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# a line, charybdis will silently REJECT the entire command!
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joinedmodes = utils.joinModes(modes = [m for m in modes[:9] if m[0] not in self.irc.cmodes['*A']])
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modes = modes[9:]
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self._send(numeric, 'TMODE %s %s %s' % (ts, target, joinedmodes))
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else:
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joinedmodes = utils.joinModes(modes)
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self._send(numeric, 'MODE %s %s' % (target, joinedmodes))
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def ping(self, source=None, target=None):
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"""Sends a PING to a target server. Periodic PINGs are sent to our uplink
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automatically by the Irc() internals; plugins shouldn't have to use this."""
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source = source or self.irc.sid
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target = target or self.irc.uplink
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if not (target is None or source is None):
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self._send(source, 'PING :%s' % (source,))
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def handle_events(self, data):
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"""Event handler for the Hybrid protocol.
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This passes most commands to the various handle_ABCD() functions
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elsewhere defined protocol modules, coersing various sender prefixes
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from nicks and server names to UIDs and SIDs respectively,
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whenever possible.
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Commands sent without an explicit sender prefix will have them set to
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the SID of the uplink server.
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"""
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data = data.split(" ")
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try: # Message starts with a SID/UID prefix.
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args = self.parseTS6Args(data)
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sender = args[0]
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command = args[1]
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args = args[2:]
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# If the sender isn't in UID format, try to convert it automatically.
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# Unreal's protocol, for example, isn't quite consistent with this yet!
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sender_server = self._getSid(sender)
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if sender_server in self.irc.servers:
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# Sender is a server when converted from name to SID.
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numeric = sender_server
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else:
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# Sender is a user.
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numeric = self._getNick(sender)
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# parseTS6Args() will raise IndexError if the TS6 sender prefix is missing.
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except IndexError:
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# Raw command without an explicit sender; assume it's being sent by our uplink.
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args = self.parseArgs(data)
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numeric = self.irc.uplink
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command = args[0]
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args = args[1:]
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try:
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command = self.hook_map.get(command.upper(), command)
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func = getattr(self, 'handle_'+command.lower())
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except AttributeError: # unhandled command
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# self._send(self.irc.sid, 'ERROR', 'Unknown Command')
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print('Unknown command.\nOffending line: {}'.format(data))
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exit(1)
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else:
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log.debug('(%s) Handling event %s - %s - %s', self.irc.name, numeric, command, str(args))
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parsed_args = func(numeric, command, args)
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if parsed_args is not None:
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return [numeric, command, parsed_args]
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# command handlers
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def handle_pass(self, numeric, command, args):
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# <- PASS $somepassword TS 6 42X
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if args[0] != self.irc.serverdata['recvpass']:
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raise ProtocolError("Error: RECVPASS from uplink does not match configuration!")
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ver = args[args.index('TS') + 1]
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if ver != '6':
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raise ProtocolError("Remote protocol version {} is too old! Is this even TS6?".format())
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numeric = args[3]
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log.debug('(%s) Found uplink SID as %r', self.irc.name, numeric)
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self.irc.servers[numeric] = IrcServer(None, 'unknown')
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self.irc.uplink = numeric
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def handle_capab(self, numeric, command, args):
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# We only get a list of keywords here. Hybrid obviously assumes that
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@ -272,16 +157,6 @@ class HybridProtocol(TS6BaseProtocol):
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log.debug('(%s) self.irc.connected set!', self.irc.name)
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self.irc.connected.set()
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def handle_server(self, numeric, command, args):
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# <- SERVER charybdis.midnight.vpn 1 :charybdis test server
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sname = args[0].lower()
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log.debug('(%s) Found uplink server name as %r', self.irc.name, sname)
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self.irc.servers[self.irc.uplink].name = sname
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self.irc.servers[self.irc.uplink].desc = args[2]
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# According to the TS6 protocol documentation, we should send SVINFO
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# when we get our uplink's SERVER command.
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self.irc.send('SVINFO 6 6 0 :%s' % int(time.time()))
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def handle_uid(self, numeric, command, args):
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"""Handles incoming UID commands (user introduction)."""
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# <- :0UY UID dan 1 1451041551 +Facdeiklosuw ~ident localhost 127.0.0.1 0UYAAAAAB * :realname
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@ -303,66 +178,6 @@ class HybridProtocol(TS6BaseProtocol):
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self.irc.callHooks([uid, 'CLIENT_OPERED', {'text': 'IRC_Operator'}])
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return {'uid': uid, 'ts': ts, 'nick': nick, 'realname': realname, 'host': host, 'ident': ident, 'ip': ip}
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def handle_join(self, numeric, command, args):
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"""Handles incoming channel JOINs."""
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# parameters: channelTS, channel, '+' (a plus sign)
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# <- :0UYAAAAAF JOIN 0 #channel +
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ts = int(args[0])
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uid = numeric
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channel = args[1]
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if channel == '0':
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# /join 0; part the user from all channels
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oldchans = self.irc.users[uid].channels.copy()
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log.debug('(%s) Got /join 0 from %r, channel list is %r',
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self.irc.name, uid, oldchans)
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for channel in oldchans:
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self.irc.channels[channel].users.discard(uid)
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self.irc.users[uid].channels.discard(channel)
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else:
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channel = utils.toLower(self.irc, args[1])
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self.updateTS(channel, ts)
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return {'channel': channel, 'users': [uid], 'modes':
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self.irc.channels[channel].modes, 'ts': ts}
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def handle_sjoin(self, numeric, command, args):
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"""Handles incoming channel SJOINs."""
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# parameters: channelTS, channel, modes, prefixed uids
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# <- :0UY SJOIN 1451041566 #channel +nt :@0UYAAAAAB
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ts = int(args[0])
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uids = args[3].split()
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users = {}
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umodes = ['+']
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modeprefixes = {v: k for k, v in self.irc.prefixmodes.items()}
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for uid in uids:
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modes = ''
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while uid and uid[0] in modeprefixes:
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modes += uid[0]
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uid = uid[1:]
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for mode in modes:
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umodes[0] += modeprefixes[mode]
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umodes.append(uid)
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if args[1] == '0':
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# /join 0; part the user from all channels
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for uid in users:
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oldchans = self.irc.users[uid].channels.copy()
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log.debug('(%s) Got /join 0 from %r, channel list is %r',
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self.irc.name, uid, oldchans)
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for channel in oldchans:
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self.irc.channels[channel].users.discard(uid)
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self.irc.users[uid].channels.discard(channel)
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# return {'channels': oldchans, 'text': 'Left all channels.', 'parse_as': 'PART'}
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else:
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channel = utils.toLower(self.irc, args[1])
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self.updateTS(channel, ts)
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parsedmodes = utils.parseModes(self.irc, channel, [args[2]])
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utils.applyModes(self.irc, channel, parsedmodes)
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parsedmodes = utils.parseModes(self.irc, channel, umodes)
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utils.applyModes(self.irc, channel, parsedmodes)
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# We send users and modes here because SJOIN and JOIN both use one hook,
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# for simplicity's sake (with plugins).
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return {'channel': channel, 'users': uids, 'modes':
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self.irc.channels[channel].modes, 'ts': ts}
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def handle_tburst(self, numeric, command, args):
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"""Handles incoming topic burst (TBURST) commands."""
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# <- :0UY TBURST 1459308205 #testchan 1459309379 dan!~d@localhost :sdf
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@ -374,77 +189,6 @@ class HybridProtocol(TS6BaseProtocol):
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self.irc.channels[channel].topicset = True
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return {'channel': channel, 'setter': setter, 'ts': ts, 'text': topic}
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def handle_whois(self, numeric, command, args):
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"""Handles incoming WHOIS commands.
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Note: The core of WHOIS handling is done by coreplugin.py
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(IRCd-independent), and not here."""
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# <- :0UYAAAAAH WHOIS 0T4AAAAAA :pylink
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return {'target': args[0]}
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def handle_ping(self, source, command, args):
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"""Handles incoming PING commands."""
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# PING:
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# source: any
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# parameters: origin, opt. destination server
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# PONG:
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# source: server
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# parameters: origin, destination
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# Sends a PING to the destination server, which will reply with a PONG. If the
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# destination server parameter is not present, the server receiving the message
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# must reply.
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try:
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destination = args[1]
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except IndexError:
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destination = self.irc.sid
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if self.irc.isInternalServer(destination):
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self._send(destination, 'PONG %s :%s' % (self.irc.servers[destination].name, source))
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def handle_pong(self, source, command, args):
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"""Handles incoming PONG commands."""
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log.debug('(%s) Ping received from %s for %s.', self.irc.name, source, args[1])
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if source == self.irc.uplink and args[1] == self.irc.sid:
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log.debug('(%s) Set self.irc.lastping.', self.irc.name)
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self.irc.lastping = time.time()
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def handle_mode(self, numeric, command, args):
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# <- :0UYAAAAAD MODE 0UYAAAAAD :-i
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target = args[0]
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modestrings = args[1:]
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changedmodes = utils.parseModes(self.irc, target, modestrings)
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utils.applyModes(self.irc, target, changedmodes)
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# Call the OPERED UP hook if +o is being set.
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if ('+o', None) in changedmodes:
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otype = 'IRC Operator'
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self.irc.callHooks([target, 'CLIENT_OPERED', {'text': otype}])
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return {'target': target, 'modes': changedmodes}
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def handle_tmode(self, numeric, command, args):
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# <- :0UYAAAAAD TMODE 0 #a +h 0UYAAAAAD
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channel = utils.toLower(self.irc, args[1])
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oldobj = self.irc.channels[channel].deepcopy()
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modes = args[2:]
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changedmodes = utils.parseModes(self.irc, channel, modes)
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utils.applyModes(self.irc, channel, changedmodes)
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ts = int(args[0])
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if ts > 0:
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self.updateTS(channel, ts)
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return {'target': channel, 'modes': changedmodes, 'ts': ts,
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'oldchan': oldobj}
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def handle_invite(self, numeric, command, args):
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"""Handles incoming INVITEs."""
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# <- :0UYAAAAAA INVITE 0T4AAAAAA #testchan 1459316899
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target = args[0]
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channel = args[1].lower()
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try:
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ts = args[3]
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except IndexError:
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ts = int(time.time())
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# We don't actually need to process this; it's just something plugins/hooks can use
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return {'target': target, 'channel': channel, 'ts': ts}
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def handle_svstag(self, numeric, command, args):
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tag = args[2]
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if tag in ['313']:
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@ -455,12 +199,5 @@ class HybridProtocol(TS6BaseProtocol):
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log.debug('(%s) end of burst received', self.irc.name)
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return {}
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# empty handlers
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# TODO: there's a better way to do this
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def handle_globops(self, numeric, command, args):
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pass
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def handle_svinfo(self, numeric, command, args):
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pass
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Class = HybridProtocol
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