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1 | #!/usr/bin/python | |
2 | ||
3 | # Erebus IRC bot - Author: John Runyon | |
4 | # "Bot" and "BotConnection" classes (handling a specific "arm") | |
5 | ||
6 | import socket, sys, time, threading, os | |
7 | from collections import deque | |
8 | ||
9 | #bots = {'erebus': bot.Bot(nick='Erebus', user='erebus', bind='', server='irc.quakenet.org', port=6667, realname='Erebus')} | |
10 | class Bot(object): | |
11 | def __init__(self, parent, nick, user, bind, authname, authpass, server, port, realname): | |
12 | self.parent = parent | |
13 | self.nick = nick | |
14 | self.user = user | |
15 | self.realname = realname | |
16 | ||
17 | self.authname = authname | |
18 | self.authpass = authpass | |
19 | ||
20 | curs = self.parent.db.cursor() | |
21 | if curs.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (self.nick,)): | |
22 | chansres = curs.fetchall() | |
23 | curs.close() | |
24 | self.chans = [self.parent.newchannel(self, row['chname']) for row in chansres] | |
25 | ||
26 | self.conn = BotConnection(self, bind, server, port) | |
27 | ||
28 | self.msgqueue = deque() | |
29 | self.slowmsgqueue = deque() | |
30 | self.makemsgtimer() | |
31 | ||
32 | def __del__(self): | |
33 | curs = self.parent.db.cursor() | |
34 | curs.execute("UPDATE bots SET connected = 0 WHERE nick = %s", (self.nick,)) | |
35 | curs.close() | |
36 | ||
37 | ||
38 | def connect(self): | |
39 | if self.conn.connect(): | |
40 | self.parent.newfd(self, self.conn.socket.fileno()) | |
41 | ||
42 | def getdata(self): | |
43 | return self.conn.read() | |
44 | ||
45 | def parse(self, line): | |
46 | pieces = line.split() | |
47 | ||
48 | # dispatch dict | |
49 | zero = { #things to look for without source | |
50 | 'NOTICE': self._gotregistered, | |
51 | 'PING': self._gotping, | |
52 | 'ERROR': self._goterror, | |
53 | } | |
54 | one = { #things to look for after source | |
55 | '001': self._got001, | |
56 | 'PRIVMSG': self._gotprivmsg, | |
57 | '354': self._got354, | |
58 | 'JOIN': self._gotjoin, | |
59 | 'PART': self._gotpart, | |
60 | 'QUIT': self._gotquit, | |
61 | 'NICK': self._gotnick, | |
62 | 'MODE': self._gotmode, | |
63 | } | |
64 | ||
65 | if self.parent.hasnumhook(pieces[1]): | |
66 | hooks = self.parent.getnumhook(pieces[1]) | |
67 | for callback in hooks: | |
68 | try: | |
69 | callback(self, line) | |
70 | except Exception: | |
71 | self.__debug_cbexception("numhook", line) | |
72 | ||
73 | if pieces[0] in zero: | |
74 | zero[pieces[0]](pieces) | |
75 | elif pieces[1] in one: | |
76 | one[pieces[1]](pieces) | |
77 | ||
78 | def _gotregistered(self, pieces): | |
79 | if not self.conn.registered(): | |
80 | self.conn.register() | |
81 | def _gotping(self, pieces): | |
82 | self.conn.send("PONG %s" % (pieces[1])) | |
83 | def _goterror(self, pieces): #TODO handle better | |
84 | curs = self.parent.db.cursor() | |
85 | curs.execute("UPDATE bots SET connected = 0") | |
86 | curs.close() | |
87 | sys.exit(2) | |
88 | os._exit(2) | |
89 | def _got001(self, pieces): | |
90 | self.conn.registered(True) | |
91 | ||
92 | curs = self.parent.db.cursor() | |
93 | curs.execute("UPDATE bots SET connected = 1 WHERE nick = %s", (self.nick,)) | |
94 | curs.close() | |
95 | ||
96 | self.conn.send("MODE %s +x" % (pieces[2])) | |
97 | if self.authname is not None and self.authpass is not None: | |
98 | self.conn.send("AUTH %s %s" % (self.authname, self.authpass)) | |
99 | for c in self.chans: | |
100 | self.join(c.name) | |
101 | def _gotprivmsg(self, pieces): | |
102 | nick = pieces[0].split('!')[0][1:] | |
103 | user = self.parent.user(nick) | |
104 | target = pieces[2] | |
105 | msg = ' '.join(pieces[3:])[1:] | |
106 | self.parsemsg(user, target, msg) | |
107 | def _got354(self, pieces): | |
108 | qt = int(pieces[3]) | |
109 | if qt < 3: | |
110 | nick, auth = pieces[4:6] | |
111 | chan = None | |
112 | else: | |
113 | chan, nick, auth = pieces[4:7] | |
114 | chan = self.parent.channel(chan) | |
115 | user = self.parent.user(nick) | |
116 | user.authed(auth) | |
117 | ||
118 | if chan is not None: | |
119 | user.join(chan) | |
120 | chan.userjoin(user) | |
121 | ||
122 | if qt == 2: # triggered by !auth | |
123 | if user.isauthed(): | |
124 | if user.glevel > 0: | |
125 | self.msg(nick, "You are now known as #%s (access level: %s)" % (auth, user.glevel)) | |
126 | else: | |
127 | self.msg(nick, "You are now known as #%s (not staff)" % (auth)) | |
128 | else: | |
129 | self.msg(nick, "I tried, but you're not authed!") | |
130 | def _gotjoin(self, pieces): | |
131 | nick = pieces[0].split('!')[0][1:] | |
132 | chan = self.parent.channel(pieces[2]) | |
133 | ||
134 | if nick == self.nick: | |
135 | self.conn.send("WHO %s c%%cant,3" % (chan)) | |
136 | else: | |
137 | user = self.parent.user(nick, justjoined=True) | |
138 | chan.userjoin(user) | |
139 | user.join(chan) | |
140 | def _gotpart(self, pieces): | |
141 | nick = pieces[0].split('!')[0][1:] | |
142 | chan = self.parent.channel(pieces[2]) | |
143 | ||
144 | if nick != self.nick: | |
145 | gone = self.parent.user(nick).part(chan) | |
146 | chan.userpart(self.parent.user(nick)) | |
147 | if gone: | |
148 | self.parent.user(nick).quit() | |
149 | del self.parent.users[nick.lower()] | |
150 | def _gotquit(self, pieces): | |
151 | nick = pieces[0].split('!')[0][1:] | |
152 | if nick != self.nick: | |
153 | for chan in self.parent.user(nick).chans: | |
154 | chan.userpart(self.parent.user(nick)) | |
155 | self.parent.user(nick).quit() | |
156 | del self.parent.users[nick.lower()] | |
157 | def _gotnick(self, pieces): | |
158 | oldnick = pieces[0].split('!')[0][1:] | |
159 | newnick = pieces[2][1:] | |
160 | if newnick.lower() != oldnick.lower(): | |
161 | self.parent.users[newnick.lower()] = self.parent.users[oldnick.lower()] | |
162 | del self.parent.users[oldnick.lower()] | |
163 | self.parent.users[newnick.lower()].nickchange(newnick) | |
164 | def _gotmode(self, pieces): #TODO parse for ops/voices (at least) | |
165 | pass | |
166 | ||
167 | ||
168 | def __debug_cbexception(self, source, *args, **kwargs): | |
169 | if int(self.parent.cfg.get('debug', 'cbexc', default=0)) == 1: | |
170 | self.conn.send("PRIVMSG %s :%09.3f ^C4^B!!!^B^C CBEXC %s" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, source)) | |
171 | __import__('traceback').print_exc() | |
172 | print "%09.3f %s [!] CBEXC %s %r %r" % (time.time() % 100000, self.nick, source, args, kwargs) | |
173 | ||
174 | ||
175 | def parsemsg(self, user, target, msg): | |
176 | chan = None | |
177 | if len(msg) == 0: | |
178 | return | |
179 | ||
180 | triggerused = msg[0] == self.parent.trigger | |
181 | if triggerused: msg = msg[1:] | |
182 | pieces = msg.split() | |
183 | ||
184 | if target == self.nick: | |
185 | if msg[0] == "\001": #ctcp | |
186 | msg = msg.strip("\001") | |
187 | if msg == "VERSION": | |
188 | self.msg(user, "\001VERSION Erebus v%d.%d - http://github.com/zonidjan/erebus" % (self.parent.APIVERSION, self.parent.RELEASE)) | |
189 | return | |
190 | if len(pieces) > 1: | |
191 | chanword = pieces[1] | |
192 | if chanword[0] == '#': | |
193 | chan = self.parent.channel(chanword) | |
194 | if chan is not None: #if chan is still none, there's no bot on "chanword", and chanword is used as a parameter. | |
195 | pieces.pop(1) | |
196 | ||
197 | else: # message was sent to a channel | |
198 | chan = self.parent.channel(target) | |
199 | try: | |
200 | if msg[0] == '*': # message may be addressed to bot by "*BOTNICK" trigger? | |
201 | if pieces[0][1:].lower() == self.nick.lower(): | |
202 | pieces.pop(0) # command actually starts with next word | |
203 | msg = ' '.join(pieces) # command actually starts with next word | |
204 | elif not triggerused: | |
205 | if self.parent.haschanhook(target.lower()): | |
206 | for callback in self.parent.getchanhook(target.lower()): | |
207 | try: | |
208 | cbret = callback(self, user, chan, *pieces) | |
209 | except NotImplementedError: | |
210 | self.msg(user, "Command not implemented.") | |
211 | except: | |
212 | self.msg(user, "Command failed. Code: CBEXC%09.3f" % (time.time() % 100000)) | |
213 | self.__debug_cbexception("chanhook", user=user, target=target, msg=msg) | |
214 | return # not to bot, don't process! | |
215 | except IndexError: | |
216 | return # "message" is empty | |
217 | ||
218 | cmd = pieces[0].lower() | |
219 | ||
220 | if self.parent.hashook(cmd): | |
221 | for callback in self.parent.gethook(cmd): | |
222 | if chan is None and callback.needchan: | |
223 | self.msg(user, "You need to specify a channel for that command.") | |
224 | elif user.glevel >= callback.reqglevel and (not callback.needchan or chan.levelof(user.auth) >= callback.reqclevel): | |
225 | try: | |
226 | cbret = callback(self, user, chan, target, *pieces[1:]) | |
227 | except NotImplementedError: | |
228 | self.msg(user, "Command not implemented.") | |
229 | except Exception: | |
230 | self.msg(user, "Command failed. Code: CBEXC%09.3f" % (time.time() % 100000)) | |
231 | self.__debug_cbexception("hook", user=user, target=target, msg=msg) | |
232 | except SystemExit as e: | |
233 | curs = self.parent.db.cursor() | |
234 | curs.execute("UPDATE bots SET connected = 0") | |
235 | curs.close() | |
236 | raise e | |
237 | ||
238 | def __debug_nomsg(self, target, msg): | |
239 | if int(self.parent.cfg.get('debug', 'nomsg', default=0)) == 1: | |
240 | self.conn.send("PRIVMSG %s :%09.3f \ 34\ 2!!!\ 2\ 3 NOMSG %r, %r" % (self.parent.cfg.get('debug', 'owner'), time.time() % 100000, target, msg)) | |
241 | print "%09.3f %s [!] %s" % (time.time() % 100000, self.nick, "!!! NOMSG") | |
242 | __import__('traceback').print_stack() | |
243 | ||
244 | def msg(self, target, msg): | |
245 | if target is None or msg is None: | |
246 | return self.__debug_nomsg(target, msg) | |
247 | ||
248 | self.msgqueue.append((target, msg)) | |
249 | if not self.msgtimer.is_alive(): | |
250 | self.msgtimer.start() | |
251 | ||
252 | def slowmsg(self, target, msg): | |
253 | if target is None or msg is None: | |
254 | return self.__debug_nomsg(target, msg) | |
255 | ||
256 | self.slowmsgqueue.append((target, msg)) | |
257 | if not self.msgtimer.is_alive(): | |
258 | self.msgtimer.start() | |
259 | ||
260 | def fastmsg(self, target, msg): | |
261 | if target is None or msg is None: | |
262 | return self.__debug_nomsg(target, msg) | |
263 | ||
264 | target = str(target) | |
265 | ||
266 | if target[0] == '#': command = "PRIVMSG %s :%s" % (target, msg) | |
267 | else: command = "NOTICE %s :%s" % (target, msg) | |
268 | ||
269 | self.conn.send(command) | |
270 | ||
271 | def _popmsg(self): | |
272 | self.makemsgtimer() | |
273 | ||
274 | try: | |
275 | self.fastmsg(*self.msgqueue.popleft()) | |
276 | self.msgtimer.start() | |
277 | except IndexError: | |
278 | try: | |
279 | self.fastmsg(*self.slowmsgqueue.popleft()) | |
280 | self.msgtimer.start() | |
281 | except IndexError: | |
282 | pass | |
283 | ||
284 | def makemsgtimer(self): | |
285 | self.msgtimer = threading.Timer(2, self._popmsg) | |
286 | self.msgtimer.daemon = True | |
287 | ||
288 | def join(self, chan): | |
289 | self.conn.send("JOIN %s" % (chan)) | |
290 | ||
291 | def part(self, chan): | |
292 | self.conn.send("PART %s" % (chan)) | |
293 | ||
294 | def quit(self, reason="Shutdown"): | |
295 | self.conn.send("QUIT :%s" % (reason)) | |
296 | ||
297 | def __str__(self): return self.nick | |
298 | def __repr__(self): return "<Bot %r>" % (self.nick) | |
299 | ||
300 | class BotConnection(object): | |
301 | def __init__(self, parent, bind, server, port): | |
302 | self.parent = parent | |
303 | self.buffer = '' | |
304 | self.socket = None | |
305 | ||
306 | self.bind = bind | |
307 | self.server = server | |
308 | self.port = int(port) | |
309 | ||
310 | self.state = 0 # 0=disconnected, 1=registering, 2=connected | |
311 | ||
312 | def connect(self): | |
313 | self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
314 | self.socket.bind((self.bind, 0)) | |
315 | self.socket.connect((self.server, self.port)) | |
316 | return True | |
317 | def register(self): | |
318 | if self.state == 0: | |
319 | self.send("NICK %s" % (self.parent.nick)) | |
320 | self.send("USER %s 0 * :%s" % (self.parent.user, self.parent.realname)) | |
321 | self.state = 1 | |
322 | return True | |
323 | ||
324 | def registered(self, done=False): | |
325 | if done: self.state = 2 | |
326 | return self.state == 2 | |
327 | ||
328 | def send(self, line): | |
329 | print "%09.3f %s [O] %s" % (time.time() % 100000, self.parent.nick, line) | |
330 | self._write(line) | |
331 | ||
332 | def _write(self, line): | |
333 | self.socket.sendall(line+"\r\n") | |
334 | ||
335 | def read(self): | |
336 | self.buffer += self.socket.recv(8192) | |
337 | lines = [] | |
338 | ||
339 | while "\r\n" in self.buffer: | |
340 | pieces = self.buffer.split("\r\n", 1) | |
341 | print "%09.3f %s [I] %s" % (time.time() % 100000, self.parent.nick, pieces[0]) | |
342 | # print (time.time() % 1460000000), self.parent.nick, '[I]', pieces[0] | |
343 | lines.append(pieces[0]) | |
344 | self.buffer = pieces[1] | |
345 | ||
346 | return lines | |
347 | ||
348 | def __str__(self): return self.parent.nick | |
349 | def __repr__(self): return "<BotConnection %r (%r)>" % (self.socket.fileno(), self.parent.nick) |