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