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1 | import twisted, sys, codecs, traceback | |
2 | from twisted.words.protocols import irc | |
3 | from twisted.internet import reactor, protocol | |
4 | from twisted.web import resource, server | |
5 | from twisted.protocols import basic | |
6 | ||
7 | import hmac, time, config, qwebirc.config_options as config_options | |
8 | from config import HMACTEMPORAL | |
9 | ||
10 | if hasattr(config, "WEBIRC_MODE") and config.WEBIRC_MODE == "hmac": | |
11 | HMACKEY = hmac.HMAC(key=config.HMACKEY) | |
12 | ||
13 | def hmacfn(*args): | |
14 | h = HMACKEY.copy() | |
15 | h.update("%d %s" % (int(time.time() / HMACTEMPORAL), " ".join(args))) | |
16 | return h.hexdigest() | |
17 | ||
18 | def utf8_iso8859_1(data, table=dict((x, x.decode("iso-8859-1")) for x in map(chr, range(0, 256)))): | |
19 | return (table.get(data.object[data.start]), data.start+1) | |
20 | ||
21 | codecs.register_error("mixed-iso-8859-1", utf8_iso8859_1) | |
22 | ||
23 | def irc_decode(x): | |
24 | try: | |
25 | return x.decode("utf-8", "mixed-iso-8859-1") | |
26 | except UnicodeDecodeError: | |
27 | return x.decode("iso-8859-1", "ignore") | |
28 | ||
29 | class QWebIRCClient(basic.LineReceiver): | |
30 | delimiter = "\n" | |
31 | def __init__(self, *args, **kwargs): | |
32 | self.__nickname = "(unregistered)" | |
33 | ||
34 | def dataReceived(self, data): | |
35 | basic.LineReceiver.dataReceived(self, data.replace("\r", "")) | |
36 | ||
37 | def lineReceived(self, line): | |
38 | line = irc_decode(irc.lowDequote(line)) | |
39 | ||
40 | try: | |
41 | prefix, command, params = irc.parsemsg(line) | |
42 | self.handleCommand(command, prefix, params) | |
43 | except irc.IRCBadMessage: | |
44 | # emit and ignore | |
45 | traceback.print_exc() | |
46 | return | |
47 | ||
48 | if command == "001": | |
49 | self.__nickname = params[0] | |
50 | ||
51 | if self.__perform is not None: | |
52 | for x in self.__perform: | |
53 | self.write(x) | |
54 | self.__perform = None | |
55 | elif command == "NICK": | |
56 | nick = prefix.split("!", 1)[0] | |
57 | if nick == self.__nickname: | |
58 | self.__nickname = params[0] | |
59 | ||
60 | def handleCommand(self, command, prefix, params): | |
61 | self("c", command, prefix, params) | |
62 | ||
63 | def __call__(self, *args): | |
64 | self.factory.publisher.event(args) | |
65 | ||
66 | def write(self, data): | |
67 | self.transport.write("%s\r\n" % irc.lowQuote(data.encode("utf-8"))) | |
68 | ||
69 | def connectionMade(self): | |
70 | basic.LineReceiver.connectionMade(self) | |
71 | ||
72 | self.lastError = None | |
73 | f = self.factory.ircinit | |
74 | nick, ident, ip, realname, hostname, pass_ = f["nick"], f["ident"], f["ip"], f["realname"], f["hostname"], f.get("password") | |
75 | self.__nickname = nick | |
76 | self.__perform = f.get("perform") | |
77 | ||
78 | if not hasattr(config, "WEBIRC_MODE"): | |
79 | self.write("USER %s bleh bleh %s :%s" % (ident, ip, realname)) | |
80 | elif config.WEBIRC_MODE == "hmac": | |
81 | hmac = hmacfn(ident, ip) | |
82 | self.write("USER %s bleh bleh %s %s :%s" % (ident, ip, hmac, realname)) | |
83 | elif config.WEBIRC_MODE == "webirc": | |
84 | self.write("WEBIRC %s qwebirc %s %s" % (config.WEBIRC_PASSWORD, hostname, ip)) | |
85 | self.write("USER %s bleh %s :%s" % (ident, ip, realname)) | |
86 | elif config.WEBIRC_MODE == "cgiirc": | |
87 | self.write("PASS %s_%s_%s" % (config.CGIIRC_STRING, ip, hostname)) | |
88 | self.write("USER %s bleh %s :%s" % (ident, ip, realname)) | |
89 | elif config.WEBIRC_MODE == config_options.WEBIRC_REALNAME or config.WEBIRC_MODE is None: # last bit is legacy | |
90 | if ip == hostname: | |
91 | dispip = ip | |
92 | else: | |
93 | dispip = "%s/%s" % (hostname, ip) | |
94 | ||
95 | self.write("USER %s bleh bleh :%s - %s" % (ident, dispip, realname)) | |
96 | ||
97 | if pass_ is not None: | |
98 | self.write("PASS :%s" % pass_) | |
99 | self.write("NICK %s" % nick) | |
100 | ||
101 | self.factory.client = self | |
102 | self("connect") | |
103 | ||
104 | def __str__(self): | |
105 | return "<QWebIRCClient: %s!%s@%s>" % (self.__nickname, self.factory.ircinit["ident"], self.factory.ircinit["ip"]) | |
106 | ||
107 | def connectionLost(self, reason): | |
108 | if self.lastError: | |
109 | self.disconnect("Connection to IRC server lost: %s" % self.lastError) | |
110 | else: | |
111 | self.disconnect("Connection to IRC server lost.") | |
112 | self.factory.client = None | |
113 | basic.LineReceiver.connectionLost(self, reason) | |
114 | ||
115 | def error(self, message): | |
116 | self.lastError = message | |
117 | self.write("QUIT :qwebirc exception: %s" % message) | |
118 | self.transport.loseConnection() | |
119 | ||
120 | def disconnect(self, reason): | |
121 | self("disconnect", reason) | |
122 | self.factory.publisher.disconnect() | |
123 | ||
124 | class QWebIRCFactory(protocol.ClientFactory): | |
125 | protocol = QWebIRCClient | |
126 | def __init__(self, publisher, **kwargs): | |
127 | self.client = None | |
128 | self.publisher = publisher | |
129 | self.ircinit = kwargs | |
130 | ||
131 | def write(self, data): | |
132 | self.client.write(data) | |
133 | ||
134 | def error(self, reason): | |
135 | self.client.error(reason) | |
136 | ||
137 | def clientConnectionFailed(self, connector, reason): | |
138 | protocol.ClientFactory.clientConnectionFailed(self, connector, reason) | |
139 | self.publisher.event(["disconnect", "Connection to IRC server failed."]) | |
140 | self.publisher.disconnect() | |
141 | ||
142 | def createIRC(*args, **kwargs): | |
143 | f = QWebIRCFactory(*args, **kwargs) | |
144 | reactor.connectTCP(config.IRCSERVER, config.IRCPORT, f) | |
145 | return f | |
146 | ||
147 | if __name__ == "__main__": | |
148 | e = createIRC(lambda x: 2, nick="slug__moo", ident="mooslug", ip="1.2.3.6", realname="mooooo", hostname="1.2.3.4") | |
149 | reactor.run() |