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PyLink/protocols/inspircd.py

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"""
inspircd.py: InspIRCd 2.x protocol module for PyLink.
"""
import time
import sys
import os
import re
import threading
# Import hacks to access utils and classes...
curdir = os.path.dirname(__file__)
sys.path += [curdir, os.path.dirname(curdir)]
import utils
from log import log
from classes import *
from ts6_common import TS6BaseProtocol
class InspIRCdProtocol(TS6BaseProtocol):
def __init__(self, irc):
super(InspIRCdProtocol, self).__init__(irc)
# Set our case mapping (rfc1459 maps "\" and "|" together, for example).
self.casemapping = 'rfc1459'
# Raw commands sent from servers vary from protocol to protocol. Here, we map
# non-standard names to our hook handlers, so command handlers' outputs
# are called with the right hooks.
self.hook_map = {'FJOIN': 'JOIN', 'RSQUIT': 'SQUIT', 'FMODE': 'MODE',
'FTOPIC': 'TOPIC', 'OPERTYPE': 'MODE', 'FHOST': 'CHGHOST',
'FIDENT': 'CHGIDENT', 'FNAME': 'CHGNAME', 'SVSTOPIC': 'TOPIC'}
self.sidgen = utils.TS6SIDGenerator(self.irc)
self.uidgen = {}
self.min_proto_ver = 1202
self.proto_ver = 1202
self.max_proto_ver = 1202 # Anything above should warn (not officially supported)
### Outgoing commands
def spawnClient(self, nick, ident='null', host='null', realhost=None, modes=set(),
server=None, ip='0.0.0.0', realname=None, ts=None, opertype='IRC Operator',
manipulatable=False):
"""Spawns a client with nick <nick> on the given IRC connection.
Note: No nick collision / valid nickname checks are done here; it is
up to plugins to make sure they don't introduce anything invalid."""
server = server or self.irc.sid
if not self.irc.isInternalServer(server):
raise ValueError('Server %r is not a PyLink server!' % server)
# Create an UIDGenerator instance for every SID, so that each gets
# distinct values.
uid = self.uidgen.setdefault(server, utils.TS6UIDGenerator(server)).next_uid()
ts = ts or int(time.time())
realname = realname or self.irc.botdata['realname']
realhost = realhost or host
raw_modes = utils.joinModes(modes)
u = self.irc.users[uid] = IrcUser(nick, ts, uid, ident=ident, host=host, realname=realname,
realhost=realhost, ip=ip, manipulatable=manipulatable, opertype=opertype)
utils.applyModes(self.irc, uid, modes)
self.irc.servers[server].users.add(uid)
self._send(server, "UID {uid} {ts} {nick} {realhost} {host} {ident} {ip}"
" {ts} {modes} + :{realname}".format(ts=ts, host=host,
nick=nick, ident=ident, uid=uid,
modes=raw_modes, ip=ip, realname=realname,
realhost=realhost))
if ('o', None) in modes or ('+o', None) in modes:
self._operUp(uid, opertype)
return u
def join(self, client, channel):
"""Joins a PyLink client to a channel."""
# InspIRCd doesn't distinguish between burst joins and regular joins,
# so what we're actually doing here is sending FJOIN from the server,
# on behalf of the clients that are joining.
channel = utils.toLower(self.irc, channel)
server = self.irc.isInternalClient(client)
if not server:
log.error('(%s) Error trying to join %r to %r (no such client exists)', self.irc.name, client, channel)
raise LookupError('No such PyLink client exists.')
# Strip out list-modes, they shouldn't be ever sent in FJOIN.
modes = [m for m in self.irc.channels[channel].modes if m[0] not in self.irc.cmodes['*A']]
self._send(server, "FJOIN {channel} {ts} {modes} :,{uid}".format(
ts=self.irc.channels[channel].ts, uid=client, channel=channel,
modes=utils.joinModes(modes)))
self.irc.channels[channel].users.add(client)
self.irc.users[client].channels.add(channel)
def sjoin(self, server, channel, users, ts=None):
"""Sends an SJOIN for a group of users to a channel.
The sender should always be a Server ID (SID). TS is optional, and defaults
to the one we've stored in the channel state if not given.
<users> is a list of (prefix mode, UID) pairs:
Example uses:
sjoin('100', '#test', [('', '100AAABBC'), ('qo', 100AAABBB'), ('h', '100AAADDD')])
sjoin(self.irc.sid, '#test', [('o', self.irc.pseudoclient.uid)])
"""
channel = utils.toLower(self.irc, channel)
server = server or self.irc.sid
assert users, "sjoin: No users sent?"
log.debug('(%s) sjoin: got %r for users', self.irc.name, users)
if not server:
raise LookupError('No such PyLink client exists.')
orig_ts = self.irc.channels[channel].ts
ts = ts or orig_ts
self.updateTS(channel, ts)
log.debug("sending SJOIN to %s%s with ts %s (that's %r)", channel, self.irc.name, ts,
time.strftime("%c", time.localtime(ts)))
# Strip out list-modes, they shouldn't ever be sent in FJOIN (protocol rules).
modes = [m for m in self.irc.channels[channel].modes if m[0] not in self.irc.cmodes['*A']]
uids = []
changedmodes = []
namelist = []
# We take <users> as a list of (prefixmodes, uid) pairs.
for userpair in users:
assert len(userpair) == 2, "Incorrect format of userpair: %r" % userpair
prefixes, user = userpair
namelist.append(','.join(userpair))
uids.append(user)
for m in prefixes:
changedmodes.append(('+%s' % m, user))
try:
self.irc.users[user].channels.add(channel)
except KeyError: # Not initialized yet?
log.debug("(%s) sjoin: KeyError trying to add %r to %r's channel list?", self.irc.name, channel, user)
if ts <= orig_ts:
# Only save our prefix modes in the channel state if our TS is lower than or equal to theirs.
utils.applyModes(self.irc, channel, changedmodes)
namelist = ' '.join(namelist)
self._send(server, "FJOIN {channel} {ts} {modes} :{users}".format(
ts=ts, users=namelist, channel=channel,
modes=utils.joinModes(modes)))
self.irc.channels[channel].users.update(uids)
def _operUp(self, target, opertype=None):
"""Opers a client up (internal function specific to InspIRCd).
This should be called whenever user mode +o is set on anyone, because
InspIRCd requires a special command (OPERTYPE) to be sent in order to
recognize ANY non-burst oper ups.
Plugins don't have to call this function themselves, but they can
set the opertype attribute of an IrcUser object (in self.irc.users),
and the change will be reflected here."""
userobj = self.irc.users[target]
try:
otype = opertype or userobj.opertype or 'IRC Operator'
except AttributeError:
log.debug('(%s) opertype field for %s (%s) isn\'t filled yet!',
self.irc.name, target, userobj.nick)
# whatever, this is non-standard anyways.
otype = 'IRC Operator'
assert otype, "Tried to send an empty OPERTYPE!"
log.debug('(%s) Sending OPERTYPE from %s to oper them up.',
self.irc.name, target)
userobj.opertype = otype
self._send(target, 'OPERTYPE %s' % otype.replace(" ", "_"))
def mode(self, numeric, target, modes, ts=None):
"""Sends mode changes from a PyLink client/server."""
# -> :9PYAAAAAA FMODE #pylink 1433653951 +os 9PYAAAAAA
# -> :9PYAAAAAA MODE 9PYAAAAAA -i+w
if (not self.irc.isInternalClient(numeric)) and \
(not self.irc.isInternalServer(numeric)):
raise LookupError('No such PyLink client/server exists.')
log.debug('(%s) inspircd._sendModes: received %r for mode list', self.irc.name, modes)
if ('+o', None) in modes and not utils.isChannel(target):
# https://github.com/inspircd/inspircd/blob/master/src/modules/m_spanningtree/opertype.cpp#L26-L28
# Servers need a special command to set umode +o on people.
self._operUp(target)
utils.applyModes(self.irc, target, modes)
joinedmodes = utils.joinModes(modes)
if utils.isChannel(target):
ts = ts or self.irc.channels[utils.toLower(self.irc, target)].ts
self._send(numeric, 'FMODE %s %s %s' % (target, ts, joinedmodes))
else:
self._send(numeric, 'MODE %s %s' % (target, joinedmodes))
def kill(self, numeric, target, reason):
"""Sends a kill from a PyLink client/server."""
if (not self.irc.isInternalClient(numeric)) and \
(not self.irc.isInternalServer(numeric)):
raise LookupError('No such PyLink client/server exists.')
# InspIRCd will show the raw kill message sent from our server as the quit message.
# So, make the kill look actually like a kill instead of someone quitting with
# an arbitrary message.
if target in self.irc.servers:
sourcenick = self.irc.servers[numeric].name
else:
sourcenick = self.irc.users[numeric].nick
self._send(numeric, 'KILL %s :Killed (%s (%s))' % (target, sourcenick, reason))
# We only need to call removeClient here if the target is one of our
# clients, since any remote servers will send a QUIT from
# their target if the command succeeds.
if self.irc.isInternalClient(target):
self.removeClient(target)
def topicBurst(self, numeric, target, text):
"""Sends a topic change from a PyLink server. This is usually used on burst."""
if not self.irc.isInternalServer(numeric):
raise LookupError('No such PyLink server exists.')
ts = int(time.time())
servername = self.irc.servers[numeric].name
self._send(numeric, 'FTOPIC %s %s %s :%s' % (target, ts, servername, text))
self.irc.channels[target].topic = text
self.irc.channels[target].topicset = True
def invite(self, numeric, target, channel):
"""Sends an INVITE from a PyLink client.."""
if not self.irc.isInternalClient(numeric):
raise LookupError('No such PyLink client exists.')
self._send(numeric, 'INVITE %s %s' % (target, channel))
def knock(self, numeric, target, text):
"""Sends a KNOCK from a PyLink client."""
if not self.irc.isInternalClient(numeric):
raise LookupError('No such PyLink client exists.')
self._send(numeric, 'ENCAP * KNOCK %s :%s' % (target, text))
def updateClient(self, target, field, text):
"""Updates the ident, host, or realname of any connected client."""
field = field.upper()
if field not in ('IDENT', 'HOST', 'REALNAME', 'GECOS'):
raise NotImplementedError("Changing field %r of a client is "
"unsupported by this protocol." % field)
if self.irc.isInternalClient(target):
# It is one of our clients, use FIDENT/HOST/NAME.
if field == 'IDENT':
self.irc.users[target].ident = text
self._send(target, 'FIDENT %s' % text)
elif field == 'HOST':
self.irc.users[target].host = text
self._send(target, 'FHOST %s' % text)
elif field in ('REALNAME', 'GECOS'):
self.irc.users[target].realname = text
self._send(target, 'FNAME :%s' % text)
else:
# It is a client on another server, use CHGIDENT/HOST/NAME.
if field == 'IDENT':
self.irc.users[target].ident = text
self._send(self.irc.sid, 'CHGIDENT %s %s' % (target, text))
# Send hook payloads for other plugins to listen to.
self.irc.callHooks([self.irc.sid, 'CHGIDENT',
{'target': target, 'newident': text}])
elif field == 'HOST':
self.irc.users[target].host = text
self._send(self.irc.sid, 'CHGHOST %s %s' % (target, text))
self.irc.callHooks([self.irc.sid, 'CHGHOST',
{'target': target, 'newhost': text}])
elif field in ('REALNAME', 'GECOS'):
self.irc.users[target].realname = text
self._send(self.irc.sid, 'CHGNAME %s :%s' % (target, text))
self.irc.callHooks([self.irc.sid, 'CHGNAME',
{'target': target, 'newgecos': text}])
def ping(self, source=None, target=None):
"""Sends a PING to a target server. Periodic PINGs are sent to our uplink
automatically by the Irc() internals; plugins shouldn't have to use this."""
source = source or self.irc.sid
target = target or self.irc.uplink
if not (target is None or source is None):
self._send(source, 'PING %s %s' % (source, target))
def numeric(self, source, numeric, target, text):
raise NotImplementedError("Numeric sending is not yet implemented by this "
"protocol module. WHOIS requests are handled "
"locally by InspIRCd servers, so there is no "
"need for PyLink to send numerics directly yet.")
def away(self, source, text):
"""Sends an AWAY message from a PyLink client. <text> can be an empty string
to unset AWAY status."""
if text:
self._send(source, 'AWAY %s :%s' % (int(time.time()), text))
else:
self._send(source, 'AWAY')
self.irc.users[source].away = text
def spawnServer(self, name, sid=None, uplink=None, desc=None, endburst_delay=0):
"""
Spawns a server off a PyLink server. desc (server description)
defaults to the one in the config. uplink defaults to the main PyLink
server, and sid (the server ID) is automatically generated if not
given.
If endburst_delay is set greater than zero, the sending of ENDBURST
will be delayed by the amount given. This can be used to prevent
pseudoserver bursts from triggering IRCd join-flood preventions,
and prevent connections from filling up the snomasks too much.
"""
# -> :0AL SERVER test.server * 1 0AM :some silly pseudoserver
uplink = uplink or self.irc.sid
name = name.lower()
# "desc" defaults to the configured server description.
desc = desc or self.irc.serverdata.get('serverdesc') or self.irc.botdata['serverdesc']
if sid is None: # No sid given; generate one!
sid = self.sidgen.next_sid()
assert len(sid) == 3, "Incorrect SID length"
if sid in self.irc.servers:
raise ValueError('A server with SID %r already exists!' % sid)
for server in self.irc.servers.values():
if name == server.name:
raise ValueError('A server named %r already exists!' % name)
if not self.irc.isInternalServer(uplink):
raise ValueError('Server %r is not a PyLink server!' % uplink)
if not utils.isServerName(name):
raise ValueError('Invalid server name %r' % name)
self._send(uplink, 'SERVER %s * 1 %s :%s' % (name, sid, desc))
self.irc.servers[sid] = IrcServer(uplink, name, internal=True, desc=desc)
endburstf = lambda: self._send(sid, 'ENDBURST')
if endburst_delay:
# Delay ENDBURST by X seconds if requested.
threading.Timer(endburst_delay, endburstf, ()).start()
else: # Else, send burst immediately
endburstf()
return sid
def squit(self, source, target, text='No reason given'):
"""SQUITs a PyLink server."""
# -> :9PY SQUIT 9PZ :blah, blah
self._send(source, 'SQUIT %s :%s' % (target, text))
self.handle_squit(source, 'SQUIT', [target, text])
### Core / command handlers
def connect(self):
"""Initializes a connection to a server."""
ts = self.irc.start_ts
f = self.irc.send
f('CAPAB START %s' % self.proto_ver)
f('CAPAB CAPABILITIES :PROTOCOL=%s' % self.proto_ver)
f('CAPAB END')
host = self.irc.serverdata["hostname"]
f('SERVER {host} {Pass} 0 {sid} :{sdesc}'.format(host=host,
Pass=self.irc.serverdata["sendpass"], sid=self.irc.sid,
sdesc=self.irc.serverdata.get('serverdesc') or self.irc.botdata['serverdesc']))
self._send(self.irc.sid, 'BURST %s' % ts)
# InspIRCd sends VERSION data on link, instead of whenever requested by a client.
self._send(self.irc.sid, 'VERSION :%s' % utils.fullVersion(self.irc))
self._send(self.irc.sid, 'ENDBURST')
def handle_capab(self, source, command, args):
"""
Handles the CAPAB command, used for capability negotiation with our
uplink.
"""
# 6 CAPAB commands are usually sent on connect: CAPAB START, MODULES,
# MODSUPPORT, CHANMODES, USERMODES, and CAPABILITIES.
# The only ones of interest to us are CHANMODES, USERMODES, and
# CAPABILITIES.
if args[0] == 'CHANMODES':
# <- CAPAB CHANMODES :admin=&a allowinvite=A autoop=w ban=b
# banexception=e blockcolor=c c_registered=r exemptchanops=X
# filter=g flood=f halfop=%h history=H invex=I inviteonly=i
# joinflood=j key=k kicknorejoin=J limit=l moderated=m nickflood=F
# noctcp=C noextmsg=n nokick=Q noknock=K nonick=N nonotice=T
# official-join=!Y op=@o operonly=O opmoderated=U owner=~q
# permanent=P private=p redirect=L reginvite=R regmoderated=M
# secret=s sslonly=z stripcolor=S topiclock=t voice=+v
# Named modes are essential for a cross-protocol IRC service. We
# can use InspIRCd as a model here and assign a similar mode map to
# our cmodes list.
for modepair in args[-1].split():
name, char = modepair.split('=')
if name == 'reginvite': # Reginvite? That's a dumb name.
name = 'regonly'
if name == 'founder': # Channel mode +q
# Founder, owner; same thing. m_customprefix allows you to
# name it anything you like. The former is config default,
# but I personally prefer the latter.
name = 'owner'
# We don't really care about mode prefixes; just the mode char
self.irc.cmodes[name] = char[-1]
elif args[0] == 'USERMODES':
# <- CAPAB USERMODES :bot=B callerid=g cloak=x deaf_commonchan=c
# helpop=h hidechans=I hideoper=H invisible=i oper=o regdeaf=R
# servprotect=k showwhois=W snomask=s u_registered=r u_stripcolor=S
# wallops=w
# Ditto above.
for modepair in args[-1].split():
name, char = modepair.split('=')
self.irc.umodes[name] = char
elif args[0] == 'CAPABILITIES':
# <- CAPAB CAPABILITIES :NICKMAX=21 CHANMAX=64 MAXMODES=20
# IDENTMAX=11 MAXQUIT=255 MAXTOPIC=307 MAXKICK=255 MAXGECOS=128
# MAXAWAY=200 IP6SUPPORT=1 PROTOCOL=1202 PREFIX=(Yqaohv)!~&@%+
# CHANMODES=IXbegw,k,FHJLfjl,ACKMNOPQRSTUcimnprstz
# USERMODES=,,s,BHIRSWcghikorwx GLOBOPS=1 SVSPART=1
# First, turn the arguments into a dict
caps = dict([x.split('=') for x in args[-1].split()])
# Check the protocol version
protocol_version = int(caps['PROTOCOL'])
if protocol_version < self.min_proto_ver:
raise ProtocolError("Remote protocol version is too old! "
"At least %s (InspIRCd 2.0.x) is "
"needed. (got %s)" % (self.min_proto_ver,
protocol_version))
elif protocol_version > self.max_proto_ver:
log.warning("(%s) PyLink support for InspIRCd 2.2+ is experimental, "
"and should not be relied upon for anything major.",
self.irc.name)
# Store the max nick and channel lengths
self.irc.maxnicklen = int(caps['NICKMAX'])
self.irc.maxchanlen = int(caps['CHANMAX'])
# Modes are divided into A, B, C, and D classes
# See http://www.irc.org/tech_docs/005.html
# FIXME: Find a neater way to assign/store this.
self.irc.cmodes['*A'], self.irc.cmodes['*B'], self.irc.cmodes['*C'], self.irc.cmodes['*D'] \
= caps['CHANMODES'].split(',')
self.irc.umodes['*A'], self.irc.umodes['*B'], self.irc.umodes['*C'], self.irc.umodes['*D'] \
= caps['USERMODES'].split(',')
# Separate the prefixes field (e.g. "(Yqaohv)!~&@%+") into a
# dict mapping mode characters to mode prefixes.
prefixsearch = re.search(r'\(([A-Za-z]+)\)(.*)', caps['PREFIX'])
self.irc.prefixmodes = dict(zip(prefixsearch.group(1),
prefixsearch.group(2)))
log.debug('(%s) self.irc.prefixmodes set to %r', self.irc.name,
self.irc.prefixmodes)
# Finally, set the irc.connected (protocol negotiation complete)
# state to True.
self.irc.connected.set()
def handle_ping(self, source, command, args):
"""Handles incoming PING commands, so we don't time out."""
# <- :70M PING 70M 0AL
# -> :0AL PONG 0AL 70M
if self.irc.isInternalServer(args[1]):
self._send(args[1], 'PONG %s %s' % (args[1], source))
def handle_pong(self, source, command, args):
"""Handles incoming PONG commands.
This is used to keep track of whether the uplink is alive by the Irc()
internals - a server that fails to reply to our PINGs eventually
times out and is disconnected."""
if source == self.irc.uplink and args[1] == self.irc.sid:
self.irc.lastping = time.time()
def handle_fjoin(self, servernumeric, command, args):
"""Handles incoming FJOIN commands (InspIRCd equivalent of JOIN/SJOIN)."""
# :70M FJOIN #chat 1423790411 +AFPfjnt 6:5 7:5 9:5 :o,1SRAABIT4 v,1IOAAF53R <...>
channel = utils.toLower(self.irc, args[0])
# InspIRCd sends each channel's users in the form of 'modeprefix(es),UID'
userlist = args[-1].split()
their_ts = int(args[1])
our_ts = self.irc.channels[channel].ts
self.updateTS(channel, their_ts)
modestring = args[2:-1] or args[2]
parsedmodes = utils.parseModes(self.irc, channel, modestring)
utils.applyModes(self.irc, channel, parsedmodes)
namelist = []
for user in userlist:
modeprefix, user = user.split(',', 1)
# Don't crash when we get an invalid UID.
if user not in self.irc.users:
log.debug('(%s) handle_fjoin: tried to introduce user %s not in our user list, ignoring...',
self.irc.name, user)
continue
namelist.append(user)
self.irc.users[user].channels.add(channel)
if their_ts <= our_ts:
utils.applyModes(self.irc, channel, [('+%s' % mode, user) for mode in modeprefix])
self.irc.channels[channel].users.add(user)
return {'channel': channel, 'users': namelist, 'modes': parsedmodes, 'ts': their_ts}
def handle_uid(self, numeric, command, args):
"""Handles incoming UID commands (user introduction)."""
# :70M UID 70MAAAAAB 1429934638 GL 0::1 hidden-7j810p.9mdf.lrek.0000.0000.IP gl 0::1 1429934638 +Wioswx +ACGKNOQXacfgklnoqvx :realname
uid, ts, nick, realhost, host, ident, ip = args[0:7]
realname = args[-1]
self.irc.users[uid] = IrcUser(nick, ts, uid, ident, host, realname, realhost, ip)
parsedmodes = utils.parseModes(self.irc, uid, [args[8], args[9]])
log.debug('Applying modes %s for %s', parsedmodes, uid)
utils.applyModes(self.irc, uid, parsedmodes)
self.irc.servers[numeric].users.add(uid)
return {'uid': uid, 'ts': ts, 'nick': nick, 'realhost': realhost, 'host': host, 'ident': ident, 'ip': ip}
def handle_server(self, numeric, command, args):
"""Handles incoming SERVER commands (introduction of servers)."""
# Initial SERVER command on connect.
if self.irc.uplink is None:
# <- SERVER whatever.net abcdefgh 0 10X :some server description
servername = args[0].lower()
numeric = args[3]
if args[1] != self.irc.serverdata['recvpass']:
# Check if recvpass is correct
raise ProtocolError('Error: recvpass from uplink server %s does not match configuration!' % servername)
sdesc = args[-1]
self.irc.servers[numeric] = IrcServer(None, servername, desc=sdesc)
self.irc.uplink = numeric
return
# Other server introductions.
# <- :00A SERVER test.server * 1 00C :testing raw message syntax
servername = args[0].lower()
sid = args[3]
sdesc = args[-1]
self.irc.servers[sid] = IrcServer(numeric, servername, desc=sdesc)
return {'name': servername, 'sid': args[3], 'text': sdesc}
def handle_fmode(self, numeric, command, args):
"""Handles the FMODE command, used for channel mode changes."""
# <- :70MAAAAAA FMODE #chat 1433653462 +hhT 70MAAAAAA 70MAAAAAD
channel = utils.toLower(self.irc, args[0])
oldobj = self.irc.channels[channel].deepcopy()
modes = args[2:]
changedmodes = utils.parseModes(self.irc, channel, modes)
utils.applyModes(self.irc, channel, changedmodes)
ts = int(args[1])
return {'target': channel, 'modes': changedmodes, 'ts': ts,
'oldchan': oldobj}
def handle_mode(self, numeric, command, args):
"""Handles incoming user mode changes."""
# In InspIRCd, MODE is used for setting user modes and
# FMODE is used for channel modes:
# <- :70MAAAAAA MODE 70MAAAAAA -i+xc
target = args[0]
modestrings = args[1:]
changedmodes = utils.parseModes(self.irc, target, modestrings)
utils.applyModes(self.irc, target, changedmodes)
return {'target': target, 'modes': changedmodes}
def handle_idle(self, numeric, command, args):
"""Handles the IDLE command, sent between servers in remote WHOIS queries."""
# <- :70MAAAAAA IDLE 1MLAAAAIG
# -> :1MLAAAAIG IDLE 70MAAAAAA 1433036797 319
sourceuser = numeric
targetuser = args[0]
self._send(targetuser, 'IDLE %s %s 0' % (sourceuser, self.irc.users[targetuser].ts))
def handle_ftopic(self, numeric, command, args):
"""Handles incoming FTOPIC (sets topic on burst)."""
# <- :70M FTOPIC #channel 1434510754 GLo|o|!GLolol@escape.the.dreamland.ca :Some channel topic
channel = utils.toLower(self.irc, args[0])
ts = args[1]
setter = args[2]
topic = args[-1]
self.irc.channels[channel].topic = topic
self.irc.channels[channel].topicset = True
return {'channel': channel, 'setter': setter, 'ts': ts, 'text': topic}
# SVSTOPIC is used by InspIRCd module m_topiclock - its arguments are the same as FTOPIC
handle_svstopic = handle_ftopic
def handle_invite(self, numeric, command, args):
"""Handles incoming INVITEs."""
# <- :70MAAAAAC INVITE 0ALAAAAAA #blah 0
target = args[0]
channel = utils.toLower(self.irc, args[1])
# We don't actually need to process this; just send the hook so plugins can use it
return {'target': target, 'channel': channel}
def handle_encap(self, numeric, command, args):
"""Handles incoming encapsulated commands (ENCAP). Hook arguments
returned by this should have a parse_as field, that sets the correct
hook name for the message.
For InspIRCd, the only ENCAP command we handle right now is KNOCK."""
# <- :70MAAAAAA ENCAP * KNOCK #blah :agsdfas
# From charybdis TS6 docs: https://github.com/grawity/irc-docs/blob/03ba884a54f1cef2193cd62b6a86803d89c1ac41/server/ts6.txt
# ENCAP
# source: any
# parameters: target server mask, subcommand, opt. parameters...
# Sends a command to matching servers. Propagation is independent of
# understanding the subcommand.
targetmask = args[0]
real_command = args[1]
if targetmask == '*' and real_command == 'KNOCK':
channel = utils.toLower(self.irc, args[2])
text = args[3]
return {'parse_as': real_command, 'channel': channel,
'text': text}
def handle_opertype(self, numeric, command, args):
"""Handles incoming OPERTYPE, which is used to denote an oper up.
This calls the internal hook CLIENT_OPERED, sets the internal
opertype of the client, and assumes setting user mode +o on the caller."""
# This is used by InspIRCd to denote an oper up; there is no MODE
# command sent for it.
# <- :70MAAAAAB OPERTYPE Network_Owner
omode = [('+o', None)]
self.irc.users[numeric].opertype = opertype = args[0].replace("_", " ")
utils.applyModes(self.irc, numeric, omode)
# OPERTYPE is essentially umode +o and metadata in one command;
# we'll call that too.
self.irc.callHooks([numeric, 'CLIENT_OPERED', {'text': opertype}])
return {'target': numeric, 'modes': omode}
def handle_fident(self, numeric, command, args):
"""Handles FIDENT, used for denoting ident changes."""
# <- :70MAAAAAB FIDENT test
self.irc.users[numeric].ident = newident = args[0]
return {'target': numeric, 'newident': newident}
def handle_fhost(self, numeric, command, args):
"""Handles FHOST, used for denoting hostname changes."""
# <- :70MAAAAAB FIDENT some.host
self.irc.users[numeric].host = newhost = args[0]
return {'target': numeric, 'newhost': newhost}
def handle_fname(self, numeric, command, args):
"""Handles FNAME, used for denoting real name/gecos changes."""
# <- :70MAAAAAB FNAME :afdsafasf
self.irc.users[numeric].realname = newgecos = args[0]
return {'target': numeric, 'newgecos': newgecos}
def handle_endburst(self, numeric, command, args):
"""ENDBURST handler; sends a hook with empty contents."""
return {}
def handle_away(self, numeric, command, args):
"""Handles incoming AWAY messages."""
# <- :1MLAAAAIG AWAY 1439371390 :Auto-away
try:
ts = args[0]
self.irc.users[numeric].away = text = args[1]
return {'text': text, 'ts': ts}
except IndexError: # User is unsetting away status
self.irc.users[numeric].away = ''
return {'text': ''}
def handle_rsquit(self, numeric, command, args):
"""
Handles the RSQUIT command, which is sent by opers to SQUIT remote
servers.
"""
# <- :1MLAAAAIG RSQUIT :ayy.lmao
# <- :1MLAAAAIG RSQUIT ayy.lmao :some reason
# RSQUIT is sent by opers to SQUIT remote servers. However, it differs from
# a regular SQUIT in that:
# 1) It takes a server name instead of a SID,
# 2) Responses have to be be explicitly sent; i.e. The target server has
# to agree with splitting the target, and could ignore such requests
# entirely.
# If we receive such a remote SQUIT, just forward it as a regular
# SQUIT, in order to be consistent with other IRCds which make SQUITs
# implicit.
target = self._getSid(args[0])
if self.irc.isInternalServer(target):
# The target has to be one of our servers in order to work...
uplink = self.irc.servers[target].uplink
reason = 'Requested by %s' % utils.getHostmask(self.irc, numeric)
self._send(uplink, 'SQUIT %s :%s' % (target, reason))
return self.handle_squit(numeric, 'SQUIT', [target, reason])
else:
log.debug("(%s) Got RSQUIT for '%s', which is either invalid or not "
"a server of ours!", self.irc.name, args[0])
def handle_metadata(self, numeric, command, args):
"""
Handles the METADATA command, used by servers to send metadata (services
login name, certfp data, etc.) for clients.
"""
uid = args[0]
if args[1] == 'accountname':
# <- :00A METADATA 1MLAAAJET accountname :
# <- :00A METADATA 1MLAAAJET accountname :tester
# Sets the services login name of the client.
self.irc.callHooks([uid, 'CLIENT_SERVICES_LOGIN', {'text': args[-1]}])
def handle_version(self, numeric, command, args):
"""
Stub VERSION handler (does nothing) to override the one in ts6_common.
"""
pass
Class = InspIRCdProtocol
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