X-Git-Url: https://jfr.im/git/erebus.git/blobdiff_plain/f4f6442ed217737a1b3783dfd8434e2f7f26f330..83ed3882eee520410007378f4bffe10d2fd51bd7:/bot.py

diff --git a/bot.py b/bot.py
index f82f143..f3df278 100644
--- a/bot.py
+++ b/bot.py
@@ -1,76 +1,333 @@
 #!/usr/bin/python
 
-#TODO: error checking
+# Erebus IRC bot - Author: John Runyon
+# "Bot" and "BotConnection" classes (handling a specific "arm")
 
-import socket
+import socket, sys, time, threading, os
+from collections import deque
 
 #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, server, port, realname, chans):
+	def __init__(self, parent, nick, user, bind, authname, authpass, server, port, realname):
 		self.parent = parent
 		self.nick = nick
-		self.chans = chans
+		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,)):
+			chansres = curs.fetchall()
+			curs.close()
+			self.chans = [self.parent.newchannel(self, row['chname']) for row in chansres]
+
+		self.conn = BotConnection(self, bind, server, port)
+
+		self.msgqueue = deque()
+		self.slowmsgqueue = deque()
+		self.makemsgtimer()
+
+	def __del__(self):
+		curs = self.parent.db.cursor()
+		curs.execute("UPDATE bots SET connected = 0 WHERE nick = %s", (self.nick,))
+		curs.close()
+
 
-		self.conn = BotConnection(self, nick, user, bind, server, port, realname)
 	def connect(self):
-		self.conn.connect()
+		if self.conn.connect():
+			self.parent.newfd(self, self.conn.socket.fileno())
+
 	def getdata(self):
-		for line in self.conn.read():
-			self.parse(line)
+		return self.conn.read()
+
 	def parse(self, line):
 		pieces = line.split()
+
+		# dispatch dict
+		zero = { #things to look for without source
+			'NOTICE': self._gotregistered,
+			'PING': self._gotping,
+			'ERROR': self._goterror,
+		}
+		one = { #things to look for after source
+			'001': self._got001,
+			'PRIVMSG': self._gotprivmsg,
+			'354': self._got354,
+			'JOIN': self._gotjoin,
+			'PART': self._gotpart,
+			'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:
+				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 _gotregistered(self, pieces):
 		if not self.conn.registered():
-			if pieces[0] == "PING":
-				self.conn.send("PONG %s" % (pieces[1]))
-			elif pieces[1] == "001":
-				self.conn.registered(True)
-				print "!!!REGISTERED!!!"
+			self.conn.register()
+	def _gotping(self, pieces):
+		self.conn.send("PONG %s" % (pieces[1]))
+	def _goterror(self, pieces): #TODO handle better
+		curs = self.parent.db.cursor()
+		curs.execute("UPDATE bots SET connected = 0")
+		curs.close()
+		sys.exit(2)
+		os._exit(2)
+	def _got001(self, pieces):
+		self.conn.registered(True)
 
-class BotConnection(object):
-	state = 0 # 0=disconnected, 1=registering, 2=connected
+		curs = self.parent.db.cursor()
+		curs.execute("UPDATE bots SET connected = 1 WHERE nick = %s", (self.nick,))
+		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 _got354(self, pieces):
+		qt, nick, auth = pieces[3:6]
+		user = self.parent.user(nick)
+		user.authed(auth)
+		if qt == "2":
+			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 _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%%ant,1" % (chan))
+		else:
+			user = self.parent.user(nick, justjoined=True)
+			chan.userjoin(user)
+			user.join(chan)
+	def _gotpart(self, pieces):
+		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))
+	def _gotquit(self, pieces):
+		nick = pieces[0].split('!')[0][1:]
+		if nick != self.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.users[newnick.lower()].nickchange(newnick)
+	def _gotmode(self, pieces): #TODO parse for ops/voices (at least)
+		pass
+
+
+	def __debug_cbexception(self, source, *args, **kwargs):
+		if int(self.parent.cfg.get('debug', 'cbexc', default=0)) == 1:
+			self.conn.send("PRIVMSG %s :%09.3f ^C4^B!!!^B^C CBEXC %s" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, source))
+			__import__('traceback').print_exc()
+			print "%09.3f %s [!] CBEXC %s %r %r" % (time.time() % 100000, self.nick, source, args, kwargs)
+
+
+	def parsemsg(self, user, target, msg):
+		chan = None
+		if len(msg) == 0:
+			return
+
+		triggerused = msg[0] == self.parent.trigger
+		if triggerused: msg = msg[1:]
+		pieces = msg.split()
+
+		if target == self.nick:
+			if msg[0] == "\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)
+			try:
+				if msg[0] == '*': # 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()):
+							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!
+			except IndexError:
+				return # "message" is empty
+
+		cmd = pieces[0].lower()
+
+		if self.parent.hashook(cmd):
+			for callback in self.parent.gethook(cmd):
+				if chan is None and callback.needchan:
+					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):
+					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:
+						curs = self.parent.db.cursor()
+						curs.execute("UPDATE bots SET connected = 0")
+						curs.close()
+						raise e
 
-	def __init__(self, parent, nick, user, bind, server, port, realname):
+	def __debug_nomsg(self, target, msg):
+		if int(self.parent.cfg.get('debug', 'nomsg', default=0)) == 1:
+			self.conn.send("PRIVMSG %s :%09.3f 4!!! NOMSG %r, %r" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, target, msg))
+			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 self.__debug_nomsg(target, msg)
+
+		self.msgqueue.append((target, msg))
+		if not self.msgtimer.is_alive():
+			self.msgtimer.start()
+
+	def slowmsg(self, target, msg):
+		if target is None or msg is None:
+			return self.__debug_nomsg(target, msg)
+
+		self.slowmsgqueue.append((target, msg))
+		if not self.msgtimer.is_alive():
+			self.msgtimer.start()
+
+	def fastmsg(self, target, msg):
+		if target is None or msg is None:
+			return self.__debug_nomsg(target, msg)
+
+		target = str(target)
+
+		if target[0] == '#': command = "PRIVMSG %s :%s" % (target, msg)
+		else: command = "NOTICE %s :%s" % (target, msg)
+
+		self.conn.send(command)
+
+	def _popmsg(self):
+		self.makemsgtimer()
+
+		try:
+			self.fastmsg(*self.msgqueue.popleft())
+			self.msgtimer.start()
+		except IndexError:
+			try:
+				self.fastmsg(*self.slowmsgqueue.popleft())
+				self.msgtimer.start()
+			except IndexError:
+				pass
+
+	def makemsgtimer(self):
+		self.msgtimer = threading.Timer(2, self._popmsg)
+		self.msgtimer.daemon = True
+
+	def join(self, chan):
+		self.conn.send("JOIN %s" % (chan))
+
+	def part(self, chan):
+		self.conn.send("PART %s" % (chan))
+
+	def quit(self, reason="Shutdown"):
+		self.conn.send("QUIT :%s" % (reason))
+
+	def __str__(self): return self.nick
+	def __repr__(self): return "<Bot %r>" % (self.nick)
+
+class BotConnection(object):
+	def __init__(self, parent, bind, server, port):
 		self.parent = parent
 		self.buffer = ''
 		self.socket = None
 
-		self.nick = nick
-		self.user = user
 		self.bind = bind
 		self.server = server
 		self.port = int(port)
-		self.realname = realname
+
+		self.state = 0 # 0=disconnected, 1=registering, 2=connected
 
 	def connect(self):
 		self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 		self.socket.bind((self.bind, 0))
 		self.socket.connect((self.server, self.port))
-		self.send("NICK %s" % (self.nick))
-		self.send("USER %s 0 * :%s" % (self.user, self.realname))
-		self.state = 1
+		return True
+	def register(self):
+		if self.state == 0:
+			self.send("NICK %s" % (self.parent.nick))
+			self.send("USER %s 0 * :%s" % (self.parent.user, self.parent.realname))
+			self.state = 1
+		return True
 
 	def registered(self, done=False):
 		if done: self.state = 2
 		return self.state == 2
 
-	def fileno(self):
-		if self.socket is not None:
-			return self.socket.fileno()
-		else:
-			return None
-
-	#TODO: rewrite send() to queue
 	def send(self, line):
-		self.write(line)
-	def write(self, line):
-		print self.nick, '[O]', line
+		print "%09.3f %s [O] %s" % (time.time() % 100000, self.parent.nick, line)
+		self._write(line)
+
+	def _write(self, line):
 		self.socket.sendall(line+"\r\n")
+
 	def read(self):
 		self.buffer += self.socket.recv(8192)
 		lines = []
-		while '\r\n' in self.buffer:
-			pieces = self.buffer.split('\r\n', 1)
-			print self.nick, '[I]', pieces[0]
+
+		while "\r\n" in self.buffer:
+			pieces = self.buffer.split("\r\n", 1)
+			print "%09.3f %s [I] %s" % (time.time() % 100000, self.parent.nick, pieces[0])
+#			print (time.time() % 1460000000), self.parent.nick, '[I]', pieces[0]
 			lines.append(pieces[0])
 			self.buffer = pieces[1]
+
 		return lines
+
+	def __str__(self): return self.parent.nick
+	def __repr__(self): return "<BotConnection %r (%r)>" % (self.socket.fileno(), self.parent.nick)