Commit | Line | Data |
---|---|---|
cefa0900 JA |
1 | var net = require('net'), |
2 | tls = require('tls'), | |
3 | util = require('util'), | |
b156e01a | 4 | dns = require('dns'), |
cefa0900 | 5 | _ = require('lodash'), |
4c25c0d7 | 6 | EventBinder = require('./eventbinder.js'), |
cefa0900 | 7 | IrcServer = require('./server.js'), |
cced0091 | 8 | IrcCommands = require('./commands.js'), |
cefa0900 | 9 | IrcChannel = require('./channel.js'), |
9650b343 | 10 | IrcUser = require('./user.js'), |
2abb4615 | 11 | EE = require('../ee.js'), |
1a452a02 | 12 | iconv = require('iconv-lite'), |
55ccaf50 | 13 | Socks; |
32a09dc1 D |
14 | |
15 | ||
55ccaf50 JA |
16 | // Break the Node.js version down into usable parts |
17 | var version_values = process.version.substr(1).split('.').map(function (item) { | |
18 | return parseInt(item, 10); | |
19 | }); | |
9de636f9 | 20 | |
55ccaf50 | 21 | // If we have a suitable Nodejs version, bring int he socks functionality |
9de636f9 | 22 | if (version_values[1] >= 10) { |
3b259b15 | 23 | Socks = require('socksjs'); |
55ccaf50 | 24 | } |
db8af19d | 25 | |
cced0091 | 26 | var IrcConnection = function (hostname, port, ssl, nick, user, pass, state, con_num) { |
2a8e95d1 | 27 | var that = this; |
4c25c0d7 | 28 | |
2abb4615 | 29 | EE.call(this,{ |
cefa0900 | 30 | wildcard: true, |
d9285da9 | 31 | delimiter: ' ' |
cefa0900 | 32 | }); |
4c25c0d7 | 33 | this.setMaxListeners(0); |
32a09dc1 | 34 | |
d1b3e8b3 | 35 | // Set the first configured encoding as the default encoding |
3efb4f33 | 36 | this.encoding = global.config.default_encoding; |
d1b3e8b3 | 37 | |
db8af19d | 38 | // Socket state |
63008d5e | 39 | this.connected = false; |
db8af19d | 40 | |
fc1c21b8 D |
41 | // IRCd write buffers (flood controll) |
42 | this.write_buffer = []; | |
43 | ||
44 | // In process of writing the buffer? | |
45 | this.writing_buffer = false; | |
46 | ||
47 | // Max number of lines to write a second | |
48 | this.write_buffer_lines_second = 2; | |
49 | ||
db8af19d | 50 | // If registeration with the IRCd has completed |
63008d5e | 51 | this.registered = false; |
db8af19d D |
52 | |
53 | // If we are in the CAP negotiation stage | |
63008d5e | 54 | this.cap_negotiation = true; |
db8af19d D |
55 | |
56 | // User information | |
63008d5e D |
57 | this.nick = nick; |
58 | this.user = user; // Contains users real hostname and address | |
5973d01c | 59 | this.username = this.nick.replace(/[^0-9a-zA-Z\-_.\/]/, ''); |
db8af19d | 60 | this.password = pass; |
32a09dc1 | 61 | |
b09157de JA |
62 | // State object |
63 | this.state = state; | |
32a09dc1 | 64 | |
cced0091 D |
65 | // Connection ID in the state |
66 | this.con_num = con_num; | |
67 | ||
68 | // IRC protocol handling | |
69 | this.irc_commands = new IrcCommands(this); | |
70 | ||
cefa0900 JA |
71 | // IrcServer object |
72 | this.server = new IrcServer(this, hostname, port); | |
32a09dc1 | 73 | |
cefa0900 JA |
74 | // IrcUser objects |
75 | this.irc_users = Object.create(null); | |
efe9d487 D |
76 | |
77 | // TODO: use `this.nick` instead of `'*'` when using an IrcUser per nick | |
78 | this.irc_users[this.nick] = new IrcUser(this, '*'); | |
79 | ||
cefa0900 JA |
80 | // IrcChannel objects |
81 | this.irc_channels = Object.create(null); | |
db8af19d D |
82 | |
83 | // IRC connection information | |
63008d5e D |
84 | this.irc_host = {hostname: hostname, port: port}; |
85 | this.ssl = !(!ssl); | |
32a09dc1 | 86 | |
9650b343 | 87 | // SOCKS proxy details |
ac0b278c JA |
88 | // TODO: Wildcard matching of hostnames and/or CIDR ranges of IP addresses |
89 | if ((global.config.socks_proxy && global.config.socks_proxy.enabled) && ((global.config.socks_proxy.all) || (_.contains(global.config.socks_proxy.proxy_hosts, this.irc_host.hostname)))) { | |
90 | this.socks = { | |
91 | host: global.config.socks_proxy.address, | |
92 | port: global.config.socks_proxy.port, | |
93 | user: global.config.socks_proxy.user, | |
94 | pass: global.config.socks_proxy.pass | |
95 | }; | |
96 | } else { | |
97 | this.socks = false; | |
98 | } | |
db8af19d D |
99 | |
100 | // Options sent by the IRCd | |
63008d5e D |
101 | this.options = Object.create(null); |
102 | this.cap = {requested: [], enabled: []}; | |
db8af19d D |
103 | |
104 | // Is SASL supported on the IRCd | |
63008d5e | 105 | this.sasl = false; |
32a09dc1 | 106 | |
db8af19d | 107 | // Buffers for data sent from the IRCd |
63008d5e D |
108 | this.hold_last = false; |
109 | this.held_data = ''; | |
110 | ||
4c25c0d7 | 111 | this.applyIrcEvents(); |
63008d5e | 112 | }; |
2abb4615 | 113 | util.inherits(IrcConnection, EE); |
63008d5e D |
114 | |
115 | module.exports.IrcConnection = IrcConnection; | |
116 | ||
f9ff7686 | 117 | |
db8af19d | 118 | |
4c25c0d7 D |
119 | IrcConnection.prototype.applyIrcEvents = function () { |
120 | // Listen for events on the IRC connection | |
121 | this.irc_events = { | |
d9285da9 JA |
122 | 'server * connect': onServerConnect, |
123 | 'channel * join': onChannelJoin, | |
df6d68a5 D |
124 | |
125 | // TODO: uncomment when using an IrcUser per nick | |
126 | //'user:*:privmsg': onUserPrivmsg, | |
d9285da9 JA |
127 | 'user * nick': onUserNick, |
128 | 'channel * part': onUserParts, | |
129 | 'channel * quit': onUserParts, | |
130 | 'channel * kick': onUserKick | |
4c25c0d7 D |
131 | }; |
132 | ||
133 | EventBinder.bindIrcEvents('', this.irc_events, this, this); | |
134 | }; | |
135 | ||
db8af19d D |
136 | |
137 | /** | |
138 | * Start the connection to the IRCd | |
139 | */ | |
63008d5e | 140 | IrcConnection.prototype.connect = function () { |
7496de01 | 141 | var that = this; |
63008d5e | 142 | |
db8af19d D |
143 | // The socket connect event to listener for |
144 | var socket_connect_event_name = 'connect'; | |
145 | ||
7496de01 D |
146 | // The destination address |
147 | var dest_addr = this.socks ? | |
148 | this.socks.host : | |
149 | this.irc_host.hostname; | |
db8af19d D |
150 | |
151 | // Make sure we don't already have an open connection | |
152 | this.disposeSocket(); | |
153 | ||
7496de01 | 154 | // Get the IP family for the dest_addr (either socks or IRCd destination) |
e991ec2f | 155 | getConnectionFamily(dest_addr, function getConnectionFamilyCb(err, family, host) { |
7496de01 D |
156 | var outgoing; |
157 | ||
158 | // Decide which net. interface to make the connection through | |
159 | if (global.config.outgoing_address) { | |
160 | if ((family === 'IPv6') && (global.config.outgoing_address.IPv6)) { | |
b156e01a JA |
161 | outgoing = global.config.outgoing_address.IPv6; |
162 | } else { | |
7496de01 | 163 | outgoing = global.config.outgoing_address.IPv4 || '0.0.0.0'; |
ddae94f5 D |
164 | |
165 | // We don't have an IPv6 interface but dest_addr may still resolve to | |
166 | // an IPv4 address. Reset `host` and try connecting anyway, letting it | |
167 | // fail if an IPv4 resolved address is not found | |
168 | host = dest_addr; | |
b156e01a | 169 | } |
7496de01 D |
170 | |
171 | } else { | |
172 | // No config was found so use the default | |
173 | outgoing = '0.0.0.0'; | |
174 | } | |
175 | ||
176 | // Are we connecting through a SOCKS proxy? | |
177 | if (this.socks) { | |
b156e01a | 178 | that.socket = Socks.connect({ |
ddae94f5 | 179 | host: host, |
b156e01a JA |
180 | port: that.irc_host.port, |
181 | ssl: that.ssl, | |
182 | rejectUnauthorized: global.config.reject_unauthorised_certificates | |
7496de01 | 183 | }, {host: that.socks.host, |
b156e01a JA |
184 | port: that.socks.port, |
185 | user: that.socks.user, | |
186 | pass: that.socks.pass, | |
187 | localAddress: outgoing | |
188 | }); | |
189 | ||
7496de01 D |
190 | } else { |
191 | // No socks connection, connect directly to the IRCd | |
b156e01a JA |
192 | |
193 | if (that.ssl) { | |
194 | that.socket = tls.connect({ | |
ddae94f5 | 195 | host: host, |
b156e01a JA |
196 | port: that.irc_host.port, |
197 | rejectUnauthorized: global.config.reject_unauthorised_certificates, | |
198 | localAddress: outgoing | |
199 | }); | |
200 | ||
201 | socket_connect_event_name = 'secureConnect'; | |
202 | ||
203 | } else { | |
204 | that.socket = net.connect({ | |
205 | host: host, | |
206 | port: that.irc_host.port, | |
207 | localAddress: outgoing | |
208 | }); | |
209 | } | |
7496de01 | 210 | } |
b156e01a | 211 | |
7496de01 | 212 | // Apply the socket listeners |
e991ec2f | 213 | that.socket.on(socket_connect_event_name, function socketConnectCb() { |
9e225dc6 D |
214 | |
215 | // SSL connections have the actual socket as a property | |
216 | var socket = (typeof this.socket !== 'undefined') ? | |
217 | this.socket : | |
218 | this; | |
219 | ||
b156e01a | 220 | that.connected = true; |
cc3c5d04 D |
221 | |
222 | // Make note of the port numbers for any identd lookups | |
223 | // Nodejs < 0.9.6 has no socket.localPort so check this first | |
9e225dc6 D |
224 | if (socket.localPort) { |
225 | that.identd_port_pair = socket.localPort.toString() + '_' + socket.remotePort.toString(); | |
226 | global.clients.port_pairs[that.identd_port_pair] = that; | |
cc3c5d04 D |
227 | } |
228 | ||
b156e01a JA |
229 | socketConnectHandler.call(that); |
230 | }); | |
32a09dc1 | 231 | |
e991ec2f | 232 | that.socket.on('error', function socketErrorCb(event) { |
b156e01a JA |
233 | that.emit('error', event); |
234 | }); | |
32a09dc1 | 235 | |
7496de01 | 236 | that.socket.on('data', function () { |
b156e01a JA |
237 | parse.apply(that, arguments); |
238 | }); | |
32a09dc1 | 239 | |
e991ec2f | 240 | that.socket.on('close', function socketCloseCb(had_error) { |
b156e01a | 241 | that.connected = false; |
cc3c5d04 D |
242 | |
243 | // Remove this socket form the identd lookup | |
9e225dc6 D |
244 | if (that.identd_port_pair) { |
245 | delete global.clients.port_pairs[that.identd_port_pair]; | |
cc3c5d04 D |
246 | } |
247 | ||
b156e01a | 248 | that.emit('close'); |
db8af19d | 249 | |
b156e01a JA |
250 | // Close the whole socket down |
251 | that.disposeSocket(); | |
252 | }); | |
7496de01 | 253 | }); |
2a8e95d1 | 254 | }; |
2a8e95d1 | 255 | |
3c91bff8 JA |
256 | /** |
257 | * Send an event to the client | |
258 | */ | |
259 | IrcConnection.prototype.clientEvent = function (event_name, data, callback) { | |
260 | data.server = this.con_num; | |
261 | this.state.sendIrcCommand(event_name, data, callback); | |
262 | }; | |
db8af19d D |
263 | |
264 | /** | |
265 | * Write a line of data to the IRCd | |
56f0f1b9 D |
266 | * @param data The line of data to be sent |
267 | * @param force Write the data now, ignoring any write queue | |
db8af19d | 268 | */ |
56f0f1b9 | 269 | IrcConnection.prototype.write = function (data, force) { |
1a452a02 | 270 | //ENCODE string to encoding of the server |
d1b3e8b3 | 271 | encoded_buffer = iconv.encode(data + '\r\n', this.encoding); |
fc1c21b8 | 272 | |
56f0f1b9 D |
273 | if (force) { |
274 | this.socket.write(encoded_buffer); | |
275 | return; | |
276 | } | |
277 | ||
fc1c21b8 D |
278 | this.write_buffer.push(encoded_buffer); |
279 | ||
280 | // Only flush if we're not writing already | |
281 | if (!this.writing_buffer) | |
282 | this.flushWriteBuffer(); | |
283 | }; | |
284 | ||
285 | ||
286 | ||
287 | /** | |
288 | * Flush the write buffer to the server in a throttled fashion | |
289 | */ | |
290 | IrcConnection.prototype.flushWriteBuffer = function () { | |
14a18c21 D |
291 | |
292 | // In case the socket closed between writing our queue.. clean up | |
293 | if (!this.connected) { | |
294 | this.write_buffer = []; | |
295 | this.writing_buffer = false; | |
296 | return; | |
297 | } | |
298 | ||
fc1c21b8 D |
299 | this.writing_buffer = true; |
300 | ||
301 | // Disabled write buffer? Send everything we have | |
302 | if (!this.write_buffer_lines_second) { | |
fc1c21b8 D |
303 | this.write_buffer.forEach(function(buffer, idx) { |
304 | this.socket.write(buffer); | |
305 | this.write_buffer = null; | |
306 | }); | |
307 | ||
308 | this.write_buffer = []; | |
309 | this.writing_buffer = false; | |
310 | ||
311 | return; | |
312 | } | |
313 | ||
314 | // Nothing to write? Stop writing and leave | |
315 | if (this.write_buffer.length === 0) { | |
316 | this.writing_buffer = false; | |
317 | return; | |
318 | } | |
319 | ||
320 | this.socket.write(this.write_buffer[0]); | |
321 | this.write_buffer = this.write_buffer.slice(1); | |
322 | ||
14a18c21 D |
323 | // Call this function again at some point if we still have data to write |
324 | if (this.write_buffer.length > 0) { | |
325 | setTimeout(this.flushWriteBuffer.bind(this), 1000 / this.write_buffer_lines_second); | |
326 | } else { | |
327 | // No more buffers to write.. so we've finished | |
328 | this.writing_buffer = false; | |
329 | } | |
2a8e95d1 D |
330 | }; |
331 | ||
db8af19d D |
332 | |
333 | ||
334 | /** | |
56f0f1b9 | 335 | * Close the connection to the IRCd after forcing one last line |
db8af19d | 336 | */ |
2a8e95d1 | 337 | IrcConnection.prototype.end = function (data, callback) { |
56f0f1b9 D |
338 | if (!this.socket) |
339 | return; | |
340 | ||
db8af19d | 341 | if (data) |
56f0f1b9 | 342 | this.write(data, true); |
32a09dc1 | 343 | |
db8af19d | 344 | this.socket.end(); |
2a8e95d1 D |
345 | }; |
346 | ||
db8af19d D |
347 | |
348 | ||
349 | /** | |
350 | * Clean up this IrcConnection instance and any sockets | |
351 | */ | |
c08717da | 352 | IrcConnection.prototype.dispose = function () { |
a787f79f D |
353 | // If we're still connected, wait until the socket is closed before disposing |
354 | // so that all the events are still correctly triggered | |
355 | if (this.socket && this.connected) { | |
14a18c21 | 356 | this.end(); |
a787f79f D |
357 | return; |
358 | } | |
359 | ||
360 | if (this.socket) { | |
361 | this.disposeSocket(); | |
a787f79f D |
362 | } |
363 | ||
cefa0900 JA |
364 | _.each(this.irc_users, function (user) { |
365 | user.dispose(); | |
366 | }); | |
367 | _.each(this.irc_channels, function (chan) { | |
368 | chan.dispose(); | |
369 | }); | |
ebe178d6 D |
370 | this.irc_users = undefined; |
371 | this.irc_channels = undefined; | |
372 | ||
373 | this.server.dispose(); | |
374 | this.server = undefined; | |
4c25c0d7 | 375 | |
a787f79f | 376 | this.irc_commands = undefined; |
4c25c0d7 | 377 | |
a787f79f | 378 | EventBinder.unbindIrcEvents('', this.irc_events, this); |
5e211c3d | 379 | |
14a18c21 | 380 | this.removeAllListeners(); |
c08717da D |
381 | }; |
382 | ||
383 | ||
2a8e95d1 | 384 | |
db8af19d D |
385 | /** |
386 | * Clean up any sockets for this IrcConnection | |
387 | */ | |
388 | IrcConnection.prototype.disposeSocket = function () { | |
389 | if (this.socket) { | |
6b8fa7a6 | 390 | this.socket.end(); |
db8af19d D |
391 | this.socket.removeAllListeners(); |
392 | this.socket = null; | |
393 | } | |
2a8e95d1 D |
394 | }; |
395 | ||
d1b3e8b3 VDF |
396 | /** |
397 | * Set a new encoding for this connection | |
398 | * Return true in case of success | |
399 | */ | |
400 | ||
401 | IrcConnection.prototype.setEncoding = function (encoding) { | |
3ddc135a D |
402 | var encoded_test; |
403 | ||
3efb4f33 VDF |
404 | try { |
405 | encoded_test = iconv.encode("TEST", encoding); | |
406 | //This test is done to check if this encoding also supports | |
407 | //the ASCII charset required by the IRC protocols | |
408 | //(Avoid the use of base64 or incompatible encodings) | |
409 | if (encoded_test == "TEST") { | |
410 | this.encoding = encoding; | |
411 | return true; | |
412 | } | |
413 | return false; | |
414 | } catch (err) { | |
415 | return false; | |
65c5a477 | 416 | } |
d1b3e8b3 | 417 | }; |
2a8e95d1 | 418 | |
b156e01a JA |
419 | function getConnectionFamily(host, callback) { |
420 | if (net.isIP(host)) { | |
421 | if (net.isIPv4(host)) { | |
422 | setImmediate(callback, null, 'IPv4', host); | |
423 | } else { | |
424 | setImmediate(callback, null, 'IPv6', host); | |
425 | } | |
426 | } else { | |
e991ec2f | 427 | dns.resolve6(host, function resolve6Cb(err, addresses) { |
b156e01a JA |
428 | if (!err) { |
429 | callback(null, 'IPv6', addresses[0]); | |
430 | } else { | |
e991ec2f | 431 | dns.resolve4(host, function resolve4Cb(err, addresses) { |
b156e01a JA |
432 | if (!err) { |
433 | callback(null, 'IPv4',addresses[0]); | |
434 | } else { | |
435 | callback(err); | |
436 | } | |
437 | }); | |
438 | } | |
439 | }); | |
440 | } | |
441 | } | |
442 | ||
db8af19d | 443 | |
4c25c0d7 D |
444 | function onChannelJoin(event) { |
445 | var chan; | |
446 | ||
447 | // Only deal with ourselves joining a channel | |
448 | if (event.nick !== this.nick) | |
449 | return; | |
450 | ||
451 | // We should only ever get a JOIN command for a channel | |
452 | // we're not already a member of.. but check we don't | |
453 | // have this channel in case something went wrong somewhere | |
454 | // at an earlier point | |
455 | if (!this.irc_channels[event.channel]) { | |
456 | chan = new IrcChannel(this, event.channel); | |
457 | this.irc_channels[event.channel] = chan; | |
458 | chan.irc_events.join.call(chan, event); | |
459 | } | |
460 | } | |
461 | ||
462 | ||
463 | function onServerConnect(event) { | |
464 | this.nick = event.nick; | |
4c25c0d7 D |
465 | } |
466 | ||
467 | ||
468 | function onUserPrivmsg(event) { | |
469 | var user; | |
470 | ||
471 | // Only deal with messages targetted to us | |
472 | if (event.channel !== this.nick) | |
473 | return; | |
474 | ||
475 | if (!this.irc_users[event.nick]) { | |
476 | user = new IrcUser(this, event.nick); | |
477 | this.irc_users[event.nick] = user; | |
478 | user.irc_events.privmsg.call(user, event); | |
479 | } | |
480 | } | |
481 | ||
482 | ||
9be602fc D |
483 | function onUserNick(event) { |
484 | var user; | |
485 | ||
486 | // Only deal with messages targetted to us | |
487 | if (event.nick !== this.nick) | |
488 | return; | |
489 | ||
490 | this.nick = event.newnick; | |
491 | } | |
492 | ||
493 | ||
4c25c0d7 D |
494 | function onUserParts(event) { |
495 | // Only deal with ourselves leaving a channel | |
496 | if (event.nick !== this.nick) | |
497 | return; | |
498 | ||
499 | if (this.irc_channels[event.channel]) { | |
500 | this.irc_channels[event.channel].dispose(); | |
501 | delete this.irc_channels[event.channel]; | |
502 | } | |
503 | } | |
504 | ||
6d2df752 MC |
505 | function onUserKick(event){ |
506 | // Only deal with ourselves being kicked from a channel | |
507 | if (event.kicked !== this.nick) | |
508 | return; | |
509 | ||
510 | if (this.irc_channels[event.channel]) { | |
511 | this.irc_channels[event.channel].dispose(); | |
512 | delete this.irc_channels[event.channel]; | |
513 | } | |
514 | ||
515 | } | |
516 | ||
4c25c0d7 D |
517 | |
518 | ||
519 | ||
db8af19d D |
520 | /** |
521 | * Handle the socket connect event, starting the IRCd registration | |
522 | */ | |
523 | var socketConnectHandler = function () { | |
15fefff7 D |
524 | var that = this, |
525 | connect_data; | |
526 | ||
527 | // Build up data to be used for webirc/etc detection | |
528 | connect_data = { | |
bd7196e1 D |
529 | connection: this, |
530 | ||
531 | // Array of lines to be sent to the IRCd before anything else | |
532 | prepend_data: [] | |
15fefff7 D |
533 | }; |
534 | ||
535 | // Let the webirc/etc detection modify any required parameters | |
266b5087 | 536 | connect_data = findWebIrc.call(this, connect_data); |
15fefff7 | 537 | |
e991ec2f | 538 | global.modules.emit('irc authorize', connect_data).done(function ircAuthorizeCb() { |
bd7196e1 D |
539 | // Send any initial data for webirc/etc |
540 | if (connect_data.prepend_data) { | |
541 | _.each(connect_data.prepend_data, function(data) { | |
542 | that.write(data); | |
543 | }); | |
544 | } | |
545 | ||
546 | that.write('CAP LS'); | |
547 | ||
db8af19d | 548 | if (that.password) |
bd7196e1 | 549 | that.write('PASS ' + that.password); |
32a09dc1 | 550 | |
bd7196e1 D |
551 | that.write('NICK ' + that.nick); |
552 | that.write('USER ' + that.username + ' 0 0 :' + '[www.kiwiirc.com] ' + that.nick); | |
32a09dc1 | 553 | |
bd7196e1 D |
554 | that.emit('connected'); |
555 | }); | |
7dfe47c6 | 556 | }; |
2a8e95d1 | 557 | |
15fefff7 | 558 | |
db8af19d D |
559 | |
560 | /** | |
561 | * Load any WEBIRC or alternative settings for this connection | |
562 | * Called in scope of the IrcConnection instance | |
563 | */ | |
15fefff7 | 564 | function findWebIrc(connect_data) { |
db8af19d D |
565 | var webirc_pass = global.config.webirc_pass, |
566 | ip_as_username = global.config.ip_as_username, | |
567 | tmp; | |
568 | ||
15fefff7 D |
569 | |
570 | // Do we have a WEBIRC password for this? | |
bd7196e1 | 571 | if (webirc_pass && webirc_pass[this.irc_host.hostname]) { |
db8af19d | 572 | // Build the WEBIRC line to be sent before IRC registration |
bd7196e1 D |
573 | tmp = 'WEBIRC ' + webirc_pass[this.irc_host.hostname] + ' KiwiIRC '; |
574 | tmp += this.user.hostname + ' ' + this.user.address; | |
db8af19d | 575 | |
15fefff7 D |
576 | connect_data.prepend_data = [tmp]; |
577 | } | |
578 | ||
579 | ||
580 | // Check if we need to pass the users IP as its username/ident | |
bd7196e1 | 581 | if (ip_as_username && ip_as_username.indexOf(this.irc_host.hostname) > -1) { |
15fefff7 | 582 | // Get a hex value of the clients IP |
e991ec2f | 583 | this.username = this.user.address.split('.').map(function ipSplitMapCb(i, idx){ |
32800bf5 D |
584 | var hex = parseInt(i, 10).toString(16); |
585 | ||
586 | // Pad out the hex value if it's a single char | |
587 | if (hex.length === 1) | |
588 | hex = '0' + hex; | |
589 | ||
590 | return hex; | |
15fefff7 D |
591 | }).join(''); |
592 | ||
593 | } | |
594 | ||
595 | return connect_data; | |
596 | } | |
597 | ||
598 | ||
599 | ||
db8af19d D |
600 | /** |
601 | * The regex that parses a line of data from the IRCd | |
602 | * Deviates from the RFC a little to support the '/' character now used in some | |
603 | * IRCds | |
604 | */ | |
85e1be6c | 605 | var parse_regex = /^(?:(?:(?:(@[^ ]+) )?):(?:([a-z0-9\x5B-\x60\x7B-\x7D\.\-*]+)|([a-z0-9\x5B-\x60\x7B-\x7D\.\-*]+)!([^\x00\r\n\ ]+?)@?([a-z0-9\.\-:\/_]+)?) )?(\S+)(?: (?!:)(.+?))?(?: :(.+))?$/i; |
db8af19d | 606 | |
2a8e95d1 D |
607 | var parse = function (data) { |
608 | var i, | |
609 | msg, | |
16e717f5 JA |
610 | msg2, |
611 | trm, | |
612 | j, | |
613 | tags = [], | |
614 | tag; | |
3ec786bc | 615 | |
1a452a02 | 616 | //DECODE server encoding |
d1b3e8b3 | 617 | data = iconv.decode(data, this.encoding); |
d1b3e8b3 | 618 | |
db8af19d | 619 | if (this.hold_last && this.held_data !== '') { |
2a8e95d1 D |
620 | data = this.held_data + data; |
621 | this.hold_last = false; | |
622 | this.held_data = ''; | |
623 | } | |
db8af19d D |
624 | |
625 | // If the last line is incomplete, hold it until we have more data | |
2a8e95d1 D |
626 | if (data.substr(-1) !== '\n') { |
627 | this.hold_last = true; | |
628 | } | |
db8af19d D |
629 | |
630 | // Process our data line by line | |
2a8e95d1 D |
631 | data = data.split("\n"); |
632 | for (i = 0; i < data.length; i++) { | |
db8af19d D |
633 | if (!data[i]) break; |
634 | ||
635 | // If flagged to hold the last line, store it and move on | |
636 | if (this.hold_last && (i === data.length - 1)) { | |
637 | this.held_data = data[i]; | |
638 | break; | |
639 | } | |
1a452a02 | 640 | |
db8af19d D |
641 | // Parse the complete line, removing any carriage returns |
642 | msg = parse_regex.exec(data[i].replace(/^\r+|\r+$/, '')); | |
2a8e95d1 | 643 | |
db8af19d D |
644 | if (msg) { |
645 | if (msg[1]) { | |
646 | tags = msg[1].split(';'); | |
647 | for (j = 0; j < tags.length; j++) { | |
648 | tag = tags[j].split('='); | |
649 | tags[j] = {tag: tag[0], value: tag[1]}; | |
16e717f5 | 650 | } |
2a8e95d1 | 651 | } |
db8af19d D |
652 | msg = { |
653 | tags: tags, | |
654 | prefix: msg[2], | |
655 | nick: msg[3], | |
656 | ident: msg[4], | |
657 | hostname: msg[5] || '', | |
658 | command: msg[6], | |
659 | params: msg[7] || '', | |
660 | trailing: (msg[8]) ? msg[8].trim() : '' | |
661 | }; | |
662 | msg.params = msg.params.split(' '); | |
3ec786bc | 663 | this.irc_commands.dispatch(msg.command.toUpperCase(), msg); |
db8af19d | 664 | } else { |
db8af19d D |
665 | // The line was not parsed correctly, must be malformed |
666 | console.log("Malformed IRC line: " + data[i].replace(/^\r+|\r+$/, '')); | |
2a8e95d1 D |
667 | } |
668 | } | |
669 | }; |