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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 | #TODO: error checking | |
7 | ||
8 | import socket, sys | |
9 | ||
10 | #bots = {'erebus': bot.Bot(nick='Erebus', user='erebus', bind='', server='irc.quakenet.org', port=6667, realname='Erebus')} | |
11 | class Bot(object): | |
12 | def __init__(self, parent, nick, user, bind, server, port, realname): | |
13 | self.parent = parent | |
14 | self.nick = nick | |
15 | self.user = user | |
16 | self.realname = realname | |
17 | ||
18 | curs = self.parent.db.cursor() | |
19 | if curs.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (self.nick,)): | |
20 | chansres = curs.fetchall() | |
21 | curs.close() | |
22 | self.chans = [self.parent.newchannel(self, row['chname']) for row in chansres] | |
23 | ||
24 | self.conn = BotConnection(self, bind, server, port) | |
25 | def connect(self): | |
26 | if self.conn.connect(): | |
27 | self.parent.newfd(self, self.conn.socket.fileno()) | |
28 | ||
29 | def getdata(self): | |
30 | return self.conn.read() | |
31 | ||
32 | def parse(self, line): | |
33 | pieces = line.split() | |
34 | ||
35 | if not self.conn.registered() and pieces[0] == "NOTICE": | |
36 | self.conn.register() | |
37 | return | |
38 | ||
39 | if self.parent.hasnumhook(pieces[1]): | |
40 | hooks = self.parent.getnumhook(pieces[1]) | |
41 | for callback in hooks: | |
42 | callback(self, line) | |
43 | ||
44 | if pieces[1] == "001": | |
45 | self.conn.registered(True) | |
46 | for c in self.chans: | |
47 | self.join(c.name) | |
48 | ||
49 | elif pieces[1] == "PRIVMSG": | |
50 | nick = pieces[0].split('!')[0][1:] | |
51 | user = self.parent.user(nick) | |
52 | target = pieces[2] | |
53 | msg = ' '.join(pieces[3:])[1:] | |
54 | self.parsemsg(user, target, msg) | |
55 | ||
56 | elif pieces[0] == "PING": | |
57 | self.conn.send("PONG %s" % (pieces[1])) | |
58 | ||
59 | elif pieces[1] == "354": # WHOX | |
60 | qt = pieces[3] | |
61 | nick = pieces[4] | |
62 | auth = pieces[5] | |
63 | self.parent.user(nick).authed(auth) | |
64 | ||
65 | elif pieces[1] == "JOIN": | |
66 | nick = pieces[0].split('!')[0][1:] | |
67 | chan = self.parent.channel(pieces[2]) | |
68 | ||
69 | if nick == self.nick: | |
70 | self.conn.send("WHO %s c%%ant,1" % (chan)) | |
71 | else: | |
72 | user = self.parent.user(nick, justjoined=True) | |
73 | chan.userjoin(user) | |
74 | user.join(chan) | |
75 | ||
76 | elif pieces[1] == "PART": | |
77 | nick = pieces[0].split('!')[0][1:] | |
78 | chan = self.parent.channel(pieces[2]) | |
79 | ||
80 | if nick != self.nick: | |
81 | self.parent.user(nick).part(chan) | |
82 | chan.userpart(self.parent.user(nick)) | |
83 | ||
84 | elif pieces[1] == "QUIT": | |
85 | nick = pieces[0].split('!')[0][1:] | |
86 | if nick != self.nick: | |
87 | self.parent.user(nick).quit() | |
88 | del self.parent.users[nick.lower()] | |
89 | ||
90 | elif pieces[1] == "MODE": #TODO | |
91 | pass | |
92 | ||
93 | ||
94 | def parsemsg(self, user, target, msg): | |
95 | chan = None | |
96 | if len(msg) == 0: | |
97 | return | |
98 | ||
99 | triggerused = msg[0] == self.parent.trigger | |
100 | if triggerused: msg = msg[1:] | |
101 | pieces = msg.split() | |
102 | ||
103 | if target == self.nick: | |
104 | if len(pieces) > 1: | |
105 | chanword = pieces[1] | |
106 | if chanword[0] == '#': | |
107 | chan = self.parent.channel(chanword) | |
108 | if chan is not None: #if chan is still none, there's no bot on "chanword", and chanword is used as a parameter. | |
109 | pieces.pop(1) | |
110 | ||
111 | else: # message was sent to a channel | |
112 | chan = self.parent.channel(target) #TODO check if bot's on channel --- in Erebus.channel() maybe? | |
113 | try: | |
114 | if msg[0] == '*': # message may be addressed to bot by "*BOTNICK" trigger? | |
115 | if pieces[0][1:].lower() == self.nick.lower(): | |
116 | pieces.pop(0) # command actually starts with next word | |
117 | msg = ' '.join(pieces) # command actually starts with next word | |
118 | elif not triggerused: | |
119 | if self.parent.haschanhook(target.lower()): | |
120 | for callback in self.parent.getchanhook(target.lower()): | |
121 | cbret = callback(self, user, chan, *pieces) | |
122 | if cbret is NotImplemented: | |
123 | self.msg(user, "Command not implemented.") | |
124 | return | |
125 | else: | |
126 | return # not to bot, don't process! | |
127 | except IndexError: | |
128 | return # Fix if you feel like it /BiohZn | |
129 | ||
130 | cmd = pieces[0].lower() | |
131 | ||
132 | if self.parent.hashook(cmd): | |
133 | for callback in self.parent.gethook(cmd): | |
134 | if chan is None and callback.needchan: | |
135 | self.msg(user, "You need to specify a channel for that command.") | |
136 | elif user.glevel >= callback.reqglevel and (not callback.needchan or chan.levelof(user.auth) >= callback.reqclevel): | |
137 | cbret = callback(self, user, chan, target, *pieces[1:]) | |
138 | if cbret is NotImplemented: | |
139 | self.msg(user, "Command not implemented.") | |
140 | ||
141 | def msg(self, target, msg): | |
142 | if target is None or msg is None: return | |
143 | ||
144 | if isinstance(target, self.parent.User): self.conn.send("NOTICE %s :%s" % (target.nick, msg)) | |
145 | elif isinstance(target, self.parent.Channel): self.conn.send("PRIVMSG %s :%s" % (target.name, msg)) | |
146 | elif isinstance(target, basestring): | |
147 | if target[0] == '#': self.conn.send("PRIVMSG %s :%s" % (target, msg)) | |
148 | else: self.conn.send("NOTICE %s :%s" % (target, msg)) | |
149 | else: raise TypeError('Bot.msg() "target" must be Erebus.User, Erebus.Channel, or string') | |
150 | ||
151 | def join(self, chan): | |
152 | self.conn.send("JOIN %s" % (chan)) | |
153 | ||
154 | def part(self, chan): | |
155 | self.conn.send("PART %s" % (chan)) | |
156 | ||
157 | def quit(self, reason="Shutdown"): | |
158 | self.conn.send("QUIT :%s" % (reason)) | |
159 | ||
160 | def __str__(self): return self.nick | |
161 | def __repr__(self): return "<Bot %r>" % (self.nick) | |
162 | ||
163 | class BotConnection(object): | |
164 | state = 0 # 0=disconnected, 1=registering, 2=connected | |
165 | ||
166 | def __init__(self, parent, bind, server, port): | |
167 | self.parent = parent | |
168 | self.buffer = '' | |
169 | self.socket = None | |
170 | ||
171 | self.bind = bind | |
172 | self.server = server | |
173 | self.port = int(port) | |
174 | ||
175 | def connect(self): | |
176 | self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
177 | self.socket.bind((self.bind, 0)) | |
178 | self.socket.connect((self.server, self.port)) | |
179 | return True | |
180 | def register(self): | |
181 | if self.state == 0: | |
182 | self.send("NICK %s" % (self.parent.nick)) | |
183 | self.send("USER %s 0 * :%s" % (self.parent.user, self.parent.realname)) | |
184 | self.state = 1 | |
185 | return True | |
186 | ||
187 | def registered(self, done=False): | |
188 | if done: self.state = 2 | |
189 | return self.state == 2 | |
190 | ||
191 | #TODO: rewrite send() to queue | |
192 | def send(self, line): | |
193 | print self.parent.nick, '[O]', str(line) | |
194 | self.write(line) | |
195 | ||
196 | def write(self, line): | |
197 | self.socket.sendall(line+"\r\n") | |
198 | ||
199 | def read(self): | |
200 | self.buffer += self.socket.recv(8192) | |
201 | lines = [] | |
202 | ||
203 | while '\r\n' in self.buffer: | |
204 | pieces = self.buffer.split('\r\n', 1) | |
205 | print self.parent.nick, '[I]', pieces[0] | |
206 | lines.append(pieces[0]) | |
207 | self.buffer = pieces[1] | |
208 | ||
209 | return lines | |
210 | ||
211 | def __str__(self): return self.nick | |
212 | def __repr__(self): return "<BotConnection %r (%r)>" % (self.socket.fileno(), self.parent.nick) |