# Erebus IRC bot - Author: John Runyon
# "Bot" and "BotConnection" classes (handling a specific "arm")
-import socket, sys
+import socket, sys, time, threading, os, random
+from collections import deque
+
+MAXLEN = 400 # arbitrary max length of a command generated by Bot.msg functions
+
+class MyTimer(threading._Timer):
+ def __init__(self, *args, **kwargs):
+ threading._Timer.__init__(self, *args, **kwargs)
+ self.daemon = True
+
#bots = {'erebus': bot.Bot(nick='Erebus', user='erebus', bind='', server='irc.quakenet.org', port=6667, realname='Erebus')}
class Bot(object):
def __init__(self, parent, nick, user, bind, authname, authpass, server, port, realname):
self.parent = parent
self.nick = nick
+ self.permnick = nick
self.user = user
self.realname = realname
self.authname = authname
self.authpass = authpass
- curs = self.parent.db.cursor()
- if curs.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (self.nick,)):
+ curs = self.parent.query("SELECT chname FROM chans WHERE bot = %s AND active = 1", (self.nick,))
+ if curs:
chansres = curs.fetchall()
curs.close()
self.chans = [self.parent.newchannel(self, row['chname']) for row in chansres]
+ else:
+ self.chans = []
self.conn = BotConnection(self, bind, server, port)
+
+ self.lastreceived = time.time() #time we last received a line from the server
+ self.watchdog()
+
+ self.msgqueue = deque()
+ self.slowmsgqueue = deque()
+ self.makemsgtimer()
+ self.msgtimer.start()
+
+ def __del__(self):
+ try:
+ curs = self.parent.query("UPDATE bots SET connected = 0 WHERE nick = %s", (self.nick,))
+ curs.close()
+ except: pass
+
+ def watchdog(self):
+ if time.time() > int(self.parent.cfg.get('watchdog', 'maxtime', default=300))+self.lastreceived:
+ self.parse("ERROR :Fake-error from watchdog timer.")
+ self.watchdogtimer = MyTimer(int(self.parent.cfg.get('watchdog', 'interval', default=30)), self.watchdog)
+
+ def log(self, *args, **kwargs):
+ self.parent.log(self.nick, *args, **kwargs)
+
def connect(self):
if self.conn.connect():
self.parent.newfd(self, self.conn.socket.fileno())
def getdata(self):
+ self.lastreceived = time.time()
return self.conn.read()
+ def _checknick(self): # check if we're using the right nick, try changing
+ if self.nick != self.permnick and self.conn.registered():
+ self.conn.send("NICK %s" % (self.permnick))
+
def parse(self, line):
+ if self.parent.cfg.getboolean('debug', 'io'):
+ self.log('I', line)
pieces = line.split()
- if not self.conn.registered() and pieces[0] == "NOTICE":
- self.conn.register()
- return
+ # dispatch dict
+ zero = { #things to look for without source
+ 'NOTICE': self._gotconnected,
+ 'PING': self._gotping,
+ 'ERROR': self._goterror,
+ }
+ one = { #things to look for after source
+ '001': self._got001,
+ '376': self._gotRegistered,
+ '422': self._gotRegistered,
+ 'PRIVMSG': self._gotprivmsg,
+ '353': self._got353, #NAMES
+ '354': self._got354, #WHO
+ '433': self._got433, #nick in use
+ 'JOIN': self._gotjoin,
+ 'PART': self._gotpart,
+ 'KICK': self._gotkick,
+ 'QUIT': self._gotquit,
+ 'NICK': self._gotnick,
+ 'MODE': self._gotmode,
+ }
if self.parent.hasnumhook(pieces[1]):
hooks = self.parent.getnumhook(pieces[1])
for callback in hooks:
- callback(self, line)
-
- if pieces[1] == "001":
- self.conn.registered(True)
- self.conn.send("MODE %s +x" % (pieces[2]))
- if self.authname is not None and self.authpass is not None:
- self.conn.send("AUTH %s %s" % (self.authname, self.authpass))
- for c in self.chans:
- self.join(c.name)
-
- elif pieces[1] == "PRIVMSG":
- nick = pieces[0].split('!')[0][1:]
- user = self.parent.user(nick)
- target = pieces[2]
- msg = ' '.join(pieces[3:])[1:]
- self.parsemsg(user, target, msg)
-
- elif pieces[0] == "PING":
- self.conn.send("PONG %s" % (pieces[1]))
-
- elif pieces[1] == "354": # WHOX
- qt = pieces[3]
- nick = pieces[4]
- auth = pieces[5]
- self.parent.user(nick).authed(auth)
-
- elif pieces[1] == "JOIN":
- nick = pieces[0].split('!')[0][1:]
- chan = self.parent.channel(pieces[2])
-
- if nick == self.nick:
- self.conn.send("WHO %s c%%ant,1" % (chan))
+ try:
+ callback(self, line)
+ except Exception:
+ self.__debug_cbexception("numhook", line)
+
+ if pieces[0] in zero:
+ zero[pieces[0]](pieces)
+ elif pieces[1] in one:
+ one[pieces[1]](pieces)
+
+ def _gotconnected(self, pieces):
+ if not self.conn.registered():
+ self.conn.register()
+ def _gotping(self, pieces):
+ self.conn.send("PONG %s" % (pieces[1]))
+ self._checknick()
+ def _goterror(self, pieces):
+ try:
+ self.quit("Error detected: %s" % ' '.join(pieces))
+ curs = self.parent.query("UPDATE bots SET connected = 0")
+ curs.close()
+ except: pass
+ sys.exit(2)
+ os._exit(2)
+ def _got001(self, pieces):
+ pass # wait until the end of MOTD instead
+ def _gotRegistered(self, pieces):
+ self.conn.registered(True)
+
+ curs = self.parent.query("UPDATE bots SET connected = 1 WHERE nick = %s", (self.nick,))
+ if curs: curs.close()
+
+ self.conn.send("MODE %s +x" % (pieces[2]))
+ if self.authname is not None and self.authpass is not None:
+ self.conn.send("AUTH %s %s" % (self.authname, self.authpass))
+ for c in self.chans:
+ self.join(c.name)
+ def _gotprivmsg(self, pieces):
+ nick = pieces[0].split('!')[0][1:]
+ user = self.parent.user(nick)
+ target = pieces[2]
+ msg = ' '.join(pieces[3:])[1:]
+ self.parsemsg(user, target, msg)
+ def _got353(self, pieces):
+ prefixes = {'@': 'op', '+': 'voice'}
+ chan = self.parent.channel(pieces[4])
+ names = pieces[5:]
+ names[0] = names[0][1:] #remove colon
+ for n in names:
+ if n[0] in prefixes:
+ user = self.parent.user(n[1:])
+ chan.userjoin(user, prefixes[n[0]])
else:
- user = self.parent.user(nick, justjoined=True)
+ user = self.parent.user(n)
chan.userjoin(user)
- user.join(chan)
-
- elif pieces[1] == "PART":
- nick = pieces[0].split('!')[0][1:]
- chan = self.parent.channel(pieces[2])
-
- if nick != self.nick:
- self.parent.user(nick).part(chan)
- chan.userpart(self.parent.user(nick))
-
- elif pieces[1] == "QUIT":
- nick = pieces[0].split('!')[0][1:]
- if nick != self.nick:
+ user.join(chan)
+ def _got354(self, pieces):
+ qt = int(pieces[3])
+ if qt < 3:
+ nick, auth = pieces[4:6]
+ chan = None
+ else:
+ chan, nick, auth = pieces[4:7]
+ chan = self.parent.channel(chan)
+ user = self.parent.user(nick)
+ user.authed(auth)
+
+ if chan is not None:
+ user.join(chan)
+ chan.userjoin(user)
+
+ if qt == 2: # triggered by !auth
+ if user.isauthed():
+ if user.glevel > 0:
+ self.msg(nick, "You are now known as #%s (access level: %s)" % (auth, user.glevel))
+ else:
+ self.msg(nick, "You are now known as #%s (not staff)" % (auth))
+ else:
+ self.msg(nick, "I tried, but you're not authed!")
+ def _got433(self, pieces):
+ if not self.conn.registered(): #we're trying to connect
+ newnick = "%s%d" % (self.nick, random.randint(111,999))
+ self.conn.send("NICK %s" % (newnick))
+ self.nick = newnick
+ def _gotjoin(self, pieces):
+ nick = pieces[0].split('!')[0][1:]
+ chan = self.parent.channel(pieces[2])
+
+ if nick == self.nick:
+ self.conn.send("WHO %s c%%cant,3" % (chan))
+ else:
+ user = self.parent.user(nick, justjoined=True)
+ chan.userjoin(user)
+ user.join(chan)
+ def _clientLeft(self, nick, chan):
+ if nick != self.nick:
+ gone = self.parent.user(nick).part(chan)
+ chan.userpart(self.parent.user(nick))
+ if gone:
self.parent.user(nick).quit()
del self.parent.users[nick.lower()]
-
- elif pieces[1] == "NICK":
- oldnick = pieces[0].split('!')[0][1:]
- newnick = pieces[2][1:]
+ def _gotpart(self, pieces):
+ nick = pieces[0].split('!')[0][1:]
+ chan = self.parent.channel(pieces[2])
+ self._clientLeft(nick, chan)
+ def _gotkick(self, pieces):
+ nick = pieces[3]
+ chan = self.parent.channel(pieces[2])
+ self._clientLeft(nick, chan)
+ def _gotquit(self, pieces):
+ nick = pieces[0].split('!')[0][1:]
+ if nick != self.nick:
+ for chan in self.parent.user(nick).chans:
+ chan.userpart(self.parent.user(nick))
+ self.parent.user(nick).quit()
+ del self.parent.users[nick.lower()]
+ def _gotnick(self, pieces):
+ oldnick = pieces[0].split('!')[0][1:]
+ newnick = pieces[2][1:]
+ if newnick.lower() != oldnick.lower():
self.parent.users[newnick.lower()] = self.parent.users[oldnick.lower()]
del self.parent.users[oldnick.lower()]
- self.parent.user(newnick).nick(newnick)
+ self.parent.users[newnick.lower()].nickchange(newnick)
+ def _gotmode(self, pieces):
+ source = pieces[0].split('!')[0][1:]
+ chan = pieces[2]
+ if not chan.startswith("#"): return
+ chan = self.parent.channel(pieces[2])
+ mode = pieces[3]
+ args = pieces[4:]
+
+ adding = True
+ for c in mode:
+ if c == '+':
+ adding = True
+ elif c == '-':
+ adding = False
+ elif c == 'o':
+ if adding:
+ chan.userop(self.parent.user(args.pop(0)))
+ else:
+ chan.userdeop(self.parent.user(args.pop(0)))
+ elif c == 'v':
+ if adding:
+ chan.uservoice(self.parent.user(args.pop(0)))
+ else:
+ chan.userdevoice(self.parent.user(args.pop(0)))
+ else:
+ pass # don't care about other modes
+
+ def __debug_cbexception(self, source, *args, **kwargs):
+ if self.parent.cfg.getboolean('debug', 'cbexc'):
+ self.conn.send("PRIVMSG %s :%09.3f \ 34\1f!!! CBEXC\1f\ 3 %s" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, source))
+ __import__('traceback').print_exc()
+ self.log('!', "CBEXC %s %r %r" % (source, args, kwargs))
+# print "%09.3f %s [!] CBEXC %s %r %r" % (time.time() % 100000, self.nick, source, args, kwargs)
- elif pieces[1] == "MODE": #TODO parse for ops/voices (at least)
- pass
-
def parsemsg(self, user, target, msg):
+ if user.glevel <= -2: return # short circuit if user is IGNORED
chan = None
+ chanparam = None # was the channel specified as part of the command?
if len(msg) == 0:
return
- triggerused = msg[0] == self.parent.trigger
- if triggerused: msg = msg[1:]
+ triggerused = msg.startswith(self.parent.trigger)
+ if triggerused: msg = msg[len(self.parent.trigger):]
pieces = msg.split()
if target == self.nick:
- if msg[0] == "\001": #ctcp
+ if msg.startswith("\001"): #ctcp
msg = msg.strip("\001")
if msg == "VERSION":
self.msg(user, "\001VERSION Erebus v%d.%d - http://github.com/zonidjan/erebus" % (self.parent.APIVERSION, self.parent.RELEASE))
return
- if len(pieces) > 1:
- chanword = pieces[1]
- if chanword[0] == '#':
- chan = self.parent.channel(chanword)
- if chan is not None: #if chan is still none, there's no bot on "chanword", and chanword is used as a parameter.
- pieces.pop(1)
-
- else: # message was sent to a channel
- chan = self.parent.channel(target)
+
+ if target != self.nick: # message was sent to a channel
try:
- if msg[0] == '*': # message may be addressed to bot by "*BOTNICK" trigger?
+ if msg.startswith('*'): # message may be addressed to bot by "*BOTNICK" trigger?
if pieces[0][1:].lower() == self.nick.lower():
pieces.pop(0) # command actually starts with next word
msg = ' '.join(pieces) # command actually starts with next word
- elif not triggerused:
- if self.parent.haschanhook(target.lower()):
- for callback in self.parent.getchanhook(target.lower()):
- cbret = callback(self, user, chan, *pieces)
- if cbret is NotImplemented:
- self.msg(user, "Command not implemented.")
- return # not to bot, don't process!
+ triggerused = True
except IndexError:
return # "message" is empty
- cmd = pieces[0].lower()
+ if len(pieces) > 1:
+ chanword = pieces[1]
+ if chanword.startswith('#'):
+ chanparam = self.parent.channel(chanword)
+
+ if target != self.nick: # message was sent to a channel
+ chan = self.parent.channel(target)
+ if not triggerused:
+ if self.parent.haschanhook(target.lower()):
+ for callback in self.parent.getchanhook(target.lower()):
+ try:
+ cbret = callback(self, user, chan, *pieces)
+ except NotImplementedError:
+ self.msg(user, "Command not implemented.")
+ except:
+ self.msg(user, "Command failed. Code: CBEXC%09.3f" % (time.time() % 100000))
+ self.__debug_cbexception("chanhook", user=user, target=target, msg=msg)
+ return # not to bot, don't process!
+ cmd = pieces[0].lower()
+ rancmd = False
if self.parent.hashook(cmd):
for callback in self.parent.gethook(cmd):
+ if chanparam is not None and (callback.needchan or callback.wantchan):
+ chan = chanparam
+ pieces.pop(1)
if chan is None and callback.needchan:
+ rancmd = True
self.msg(user, "You need to specify a channel for that command.")
elif user.glevel >= callback.reqglevel and (not callback.needchan or chan.levelof(user.auth) >= callback.reqclevel):
- cbret = callback(self, user, chan, target, *pieces[1:])
- if cbret is NotImplemented:
+ rancmd = True
+ try:
+ cbret = callback(self, user, chan, target, *pieces[1:])
+ except NotImplementedError:
self.msg(user, "Command not implemented.")
+ except Exception:
+ self.msg(user, "Command failed. Code: CBEXC%09.3f" % (time.time() % 100000))
+ self.__debug_cbexception("hook", user=user, target=target, msg=msg)
+ except SystemExit as e:
+ try:
+ curs = self.parent.query("UPDATE bots SET connected = 0")
+ curs.close()
+ except: pass
+ raise e
+ else:
+ rancmd = True
+ self.msg(user, "I don't know that command.")
+ if not rancmd:
+ self.msg(user, "You don't have enough access to run that command.")
+
+ def __debug_nomsg(self, target, msg):
+ if self.parent.cfg.getboolean('debug', 'nomsg'):
+ self.conn.send("PRIVMSG %s :%09.3f \ 34\1f!!! NOMSG\1f\ 3 %r, %r" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, target, msg))
+ self.log('!', "!!! NOMSG")
+# print "%09.3f %s [!] %s" % (time.time() % 100000, self.nick, "!!! NOMSG")
+ __import__('traceback').print_stack()
def msg(self, target, msg):
- if target is None or msg is None: return
+ if self.parent.cfg.getboolean('erebus', 'nofakelag'): return self.fastmsg(target, msg)
+ cmd = self._formatmsg(target, msg)
+ if len(cmd) > MAXLEN: return False
+ if self.conn.exceeded or self.conn.bytessent+len(cmd) >= self.conn.recvq:
+ self.msgqueue.append(cmd)
+ else:
+ self.conn.send(cmd)
+ self.conn.exceeded = True
+ return True
+
+ def slowmsg(self, target, msg):
+ if self.parent.cfg.getboolean('erebus', 'nofakelag'): return self.fastmsg(target, msg)
+ cmd = self._formatmsg(target, msg)
+ if len(cmd) > MAXLEN: return False
+ if self.conn.exceeded or self.conn.bytessent+len(cmd) >= self.conn.recvq:
+ self.slowmsgqueue.append(cmd)
+ else:
+ self.conn.send(cmd)
+ self.conn.exceeded = True
+ return True
+
+ def fastmsg(self, target, msg):
+ cmd = self._formatmsg(target, msg)
+ if len(cmd) > MAXLEN: return False
+ self.conn.send(cmd)
+ self.conn.exceeded = True
+ return True
+
+ def _formatmsg(self, target, msg):
+ if target is None or msg is None:
+ return self.__debug_nomsg(target, msg)
+
+ target = str(target)
- if isinstance(target, self.parent.User): self.conn.send("NOTICE %s :%s" % (target.nick, msg))
- elif isinstance(target, self.parent.Channel): self.conn.send("PRIVMSG %s :%s" % (target.name, msg))
- elif isinstance(target, basestring):
- if target[0] == '#': self.conn.send("PRIVMSG %s :%s" % (target, msg))
- else: self.conn.send("NOTICE %s :%s" % (target, msg))
- else: raise TypeError('Bot.msg() "target" must be Erebus.User, Erebus.Channel, or string')
+ if target.startswith('#'): command = "PRIVMSG %s :%s" % (target, msg)
+ else: command = "NOTICE %s :%s" % (target, msg)
+
+ return command
+
+ def _popmsg(self):
+ self.makemsgtimer()
+ self.conn.bytessent -= self.conn.recvq/3
+ if self.conn.bytessent < 0: self.conn.bytessent = 0
+ self.conn.exceeded = False
+
+ try:
+ cmd = self.msgqueue.popleft()
+ if not self.conn.exceeded and self.conn.bytessent+len(cmd) < self.conn.recvq:
+ self.conn.send(cmd)
+ self.conn.exceeded = True
+ else: raise IndexError
+ except IndexError:
+ try:
+ cmd = self.slowmsgqueue.popleft()
+ if not self.conn.exceeded and self.conn.bytessent+len(cmd) < self.conn.recvq:
+ self.conn.send(cmd)
+ self.conn.exceeded = True
+ except IndexError:
+ pass
+ self.msgtimer.start()
+
+ def makemsgtimer(self):
+ self.msgtimer = threading.Timer(3, self._popmsg)
+ self.msgtimer.daemon = True
def join(self, chan):
self.conn.send("JOIN %s" % (chan))
self.state = 0 # 0=disconnected, 1=registering, 2=connected
+ self.bytessent = 0
+ self.recvq = 500
+ self.exceeded = False
+
def connect(self):
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.bind((self.bind, 0))
if done: self.state = 2
return self.state == 2
- #TODO: rewrite send() to queue
def send(self, line):
- print self.parent.nick, '[O]', str(line)
+ if self.parent.parent.cfg.getboolean('debug', 'io'):
+ self.parent.log('O', line)
+# print "%09.3f %s [O] %s" % (time.time() % 100000, self.parent.nick, line)
+ self.bytessent += len(line)
self._write(line)
def _write(self, line):
while "\r\n" in self.buffer:
pieces = self.buffer.split("\r\n", 1)
- print self.parent.nick, '[I]', pieces[0]
+# self.parent.log('I', pieces[0]) # replaced by statement in Bot.parse()
+# print "%09.3f %s [I] %s" % (time.time() % 100000, self.parent.nick, pieces[0])
lines.append(pieces[0])
self.buffer = pieces[1]
return lines
- def __str__(self): return self.nick
+ def __str__(self): return self.parent.nick
def __repr__(self): return "<BotConnection %r (%r)>" % (self.socket.fileno(), self.parent.nick)