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PyLink/proto.py
2015-05-30 23:31:22 -07:00

220 lines
7.8 KiB
Python

import socket
import time
import sys
from utils import *
from copy import copy
global bot_commands
# This should be a mapping of command names to functions
bot_commands = {}
class IrcUser():
def __init__(self, nick, ts, uid, ident='null', host='null',
realname='PyLink dummy client', realhost='null',
ip='0.0.0.0'):
self.nick = nick
self.ts = ts
self.uid = uid
self.ident = ident
self.host = host
self.realhost = realhost
self.ip = ip
self.realname = realname
def __repr__(self):
return repr(self.__dict__)
class IrcServer():
def __init__(self, uplink):
self.uplink = uplink
self.users = []
def __repr__(self):
return repr(self.__dict__)
def _sendFromServer(irc, msg):
irc.send(':%s %s' % (irc.sid, msg))
def _sendFromUser(irc, msg, user=None):
if user is None:
user = irc.pseudoclient.uid
irc.send(':%s %s' % (user, msg))
def _join(irc, channel):
_sendFromUser(irc, "JOIN {channel} {ts} +nt :,{uid}".format(sid=irc.sid,
ts=int(time.time()), uid=irc.pseudoclient.uid, channel=channel))
def _nicktoUid(irc, nick):
for k, v in irc.users.items():
if v.nick == nick:
return k
def introduceUser(irc, nick, user, host):
uid = next_uid(irc.sid)
_sendFromServer(irc, "UID {uid} {ts} {nick} {host} {host} {user} 0.0.0.0 {ts} +o +"
" :PyLink Client".format(ts=int(time.time()), host=host,
nick=nick, user=user, uid=uid))
irc.users[uid] = IrcUser(nick, ts, uid, ident, host, realname, realhost, ip)
irc.servers[irc.sid].users.append(uid)
def connect(irc):
ts = int(time.time())
host = irc.serverdata["hostname"]
uid = next_uid(irc.sid)
irc.pseudoclient = IrcUser('PyLink', ts, uid, 'pylink', host,
'PyLink Client')
irc.users[uid] = irc.pseudoclient
irc.servers[irc.sid] = IrcServer(None)
irc.servers[irc.sid].users = [uid]
f = irc.send
f('CAPAB START 1203')
# This is hard coded atm... We should fix it eventually...
f('CAPAB CAPABILITIES :NICKMAX=32 HALFOP=0 CHANMAX=65 MAXMODES=20'
' IDENTMAX=12 MAXQUIT=255 PROTOCOL=1203')
f('CAPAB END')
# TODO: check recvpass here
f('SERVER {host} {Pass} 0 {sid} :PyLink Service'.format(host=host,
Pass=irc.serverdata["sendpass"], sid=irc.sid))
f(':%s BURST %s' % (irc.sid, ts))
# InspIRCd documentation:
# :751 UID 751AAAAAA 1220196319 Brain brainwave.brainbox.cc
# netadmin.chatspike.net brain 192.168.1.10 1220196324 +Siosw
# +ACKNOQcdfgklnoqtx :Craig Edwards
f(":{sid} UID {uid} {ts} PyLink {host} {host} pylink 0.0.0.0 {ts} +o +"
" :PyLink Client".format(sid=irc.sid, ts=ts,
host=host,
uid=uid))
f(':%s ENDBURST' % (irc.sid))
_join(irc, irc.serverdata["channel"])
# :7NU PING 7NU 0AL
def handle_ping(irc, servernumeric, command, args):
if args[1] == irc.sid:
_sendFromServer(irc, 'PONG %s' % args[1])
def handle_privmsg(irc, source, command, args):
prefix = irc.conf['bot']['prefix']
if args[0] == irc.pseudoclient.uid:
cmd_args = args[1].split(' ')
cmd = cmd_args[0]
try:
cmd_args = cmd_args[1:]
except IndexError:
cmd_args = []
try:
bot_commands[cmd](irc, source, cmd_args)
except KeyError:
_sendFromUser(irc, 'PRIVMSG %s :unknown command %r' % (source, cmd))
def handle_error(irc, numeric, command, args):
print('Received an ERROR, killing!')
irc.connected = False
sys.exit(1)
def handle_fjoin(irc, servernumeric, command, args):
# :70M FJOIN #chat 1423790411 +AFPfjnt 6:5 7:5 9:5 :o,1SRAABIT4 v,1IOAAF53R <...>
channel = args[0]
# tl;dr InspIRCd sends each user's channel data in the form of 'modeprefix(es),UID'
# We'll save each user in this format too, at least for now.
users = args[-1].split()
users = [x.split(',') for x in users]
'''
if channel not in irc.channels.keys():
irc.channels[channel]['users'] = users
else:
old_users = irc.channels[channel]['users'].copy()
old_users.update(users)
'''
def handle_uid(irc, numeric, command, args):
# :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]
irc.users[uid] = IrcUser(nick, ts, uid, ident, host, realname, realhost, ip)
irc.servers[numeric].users.append(uid)
def handle_quit(irc, numeric, command, args):
# :1SRAAGB4T QUIT :Quit: quit message goes here
del irc.users[numeric]
sid = numeric[:3]
irc.servers[sid].users.remove(numeric)
'''
for k, v in irc.channels.items():
try:
del irc.channels[k][users][v]
except KeyError:
pass
'''
def handle_burst(irc, numeric, command, args):
# :70M BURST 1433044587
irc.servers[numeric] = IrcServer(None)
def handle_server(irc, numeric, command, args):
# :70M SERVER millennium.overdrive.pw * 1 1ML :a relatively long period of time... (Fremont, California)
servername = args[0]
sid = args[3]
irc.servers[sid] = IrcServer(numeric)
def handle_nick(irc, numeric, command, args):
newnick = args[0]
irc.users[numeric].nick = newnick
def handle_squit(irc, numeric, command, args):
# :70M SQUIT 1ML :Server quit by GL!gl@0::1
split_server = args[0]
print('Netsplit on server %s' % split_server)
# Prevent RuntimeError: dictionary changed size during iteration
old_servers = copy(irc.servers)
for sid, data in old_servers.items():
if data.uplink == split_server:
print('Server %s also hosts server %s, removing those users too...' % (split_server, sid))
handle_squit(irc, sid, 'SQUIT', [sid, "PyLink: Automatically splitting leaf servers of %s" % sid])
for user in irc.servers[split_server].users:
del irc.users[user]
del irc.servers[split_server]
def handle_events(irc, data):
# Each server message looks something like this:
# :70M FJOIN #chat 1423790411 +AFPfjnt 6:5 7:5 9:5 :v,1SRAAESWE
# :<sid> <command> <argument1> <argument2> ... :final multi word argument
try:
args = data.split()
real_args = []
for arg in args:
real_args.append(arg)
# If the argument starts with ':' and ISN'T the first argument.
# The first argument is used for denoting the source UID/SID.
if arg.startswith(':') and args.index(arg) != 0:
# : is used for multi-word arguments that last until the end
# of the message. We can use list splicing here to turn them all
# into one argument.
index = args.index(arg) # Get the array index of the multi-word arg
# Set the last arg to a joined version of the remaining args
arg = args[index:]
arg = ' '.join(arg)[1:]
# Cut the original argument list right before the multi-word arg,
# and then append the multi-word arg.
real_args = args[:index]
real_args.append(arg)
break
real_args[0] = real_args[0].split(':', 1)[1]
args = real_args
numeric = args[0]
command = args[1]
args = args[2:]
except IndexError:
return
# We will do wildcard event handling here. Unhandled events are just ignored, yay!
try:
func = globals()['handle_'+command.lower()]
func(irc, numeric, command, args)
except KeyError: # unhandled event
pass
def add_cmd(func):
bot_commands[func.__name__.lower()] = func