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