Merge pull request #336 from M2Ys4U/userbox
[KiwiIRC.git] / server / httphandler.js
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bd299b17 1var url = require('url'),
0fa2ca42 2 fs = require('fs'),
cbcd1a23 3 crypto = require('crypto'),
0fa2ca42 4 node_static = require('node-static'),
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5 _ = require('lodash'),
6 config = require('./configuration.js');
a8bf3ea4 7
a8bf3ea4 8
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9// Cache for settings.json
10var cached_settings = {
11 debug: {
12 hash: '',
13 settings: ''
14 },
15 production: {
16 hash: '',
17 settings: ''
18 }
19};
20
21// Clear the settings cache when the settings change
22config.on('loaded', function () {
23 cached_settings.debug.settings = cached_settings.production.settings = '';
24 cached_settings.debug.hash = cached_settings.production.hash = '';
25});
26
27
28
a8bf3ea4 29
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30var HttpHandler = function (config) {
31 var public_html = config.public_html || 'client/';
32 this.file_server = new node_static.Server(public_html);
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33};
34
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35module.exports.HttpHandler = HttpHandler;
36
37
38
39HttpHandler.prototype.serve = function (request, response) {
b65ad8f1 40 // The incoming requests base path (ie. /kiwiclient)
b737610b 41 var base_path = global.config.http_base_path || '/kiwi',
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42 base_path_regex;
43
44 // Trim of any trailing slashes
45 if (base_path.substr(base_path.length - 1) === '/') {
46 base_path = base_path.substr(0, base_path.length - 1);
47 }
0fa2ca42 48
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49 // Build the regex to match the base_path
50 base_path_regex = base_path.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
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51
52 // Any asset request to head into the asset dir
b65ad8f1 53 request.url = request.url.replace(base_path + '/assets/', '/assets/');
0ae87edb 54
b075a0d6 55 // Any requests for /client to load the index file
b65ad8f1 56 if (request.url.match(new RegExp('^' + base_path_regex + '([/$]|$)', 'i'))) {
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57 request.url = '/';
58 }
59
0fa2ca42 60 // If the 'magic' translation is requested, figure out the best language to use from
b722f3c6 61 // the Accept-Language HTTP header. If nothing is suitible, fallback to our en-gb default translation
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62 if (request.url.substr(0, 16) === '/assets/locales/') {
63 if (request.url === '/assets/locales/magic.json') {
64 return serveMagicLocale.call(this, request, response);
65 } else {
66 response.setHeader('Content-Language', request.url.substr(16, request.url.indexOf('.') - 16));
67 }
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68 } else if (request.url.substr(0, 21) === '/assets/settings.json') {
69 return serveSettings.call(this, request, response);
0fa2ca42 70 }
0ae87edb 71
186531ed 72 this.file_server.serve(request, response, function (err) {
a8bf3ea4 73 if (err) {
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74 response.writeHead(err.status, err.headers);
75 response.end();
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76 }
77 });
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78};
79
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80
81/**
82 * Handle the /assets/locales/magic.json request
83 * Find the closest translation we have for the language
84 * set in the browser.
85 **/
0fa2ca42 86var serveMagicLocale = function (request, response) {
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87 var that = this,
88 default_locale_id = 'en-gb';
8e1ab29d 89
0fa2ca42 90 if (request.headers['accept-language']) {
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91 fs.readdir('client/assets/locales', function (err, files) {
92 var available = [],
93 i = 0,
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94 langs = request.headers['accept-language'].split(','), // Example: en-gb,en;q=0.5
95 found_locale = default_locale_id;
28cde487 96
8e1ab29d 97 // Get a list of the available translations we have
0fa2ca42 98 files.forEach(function (file) {
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99 if (file.substr(-5) === '.json') {
100 available.push(file.slice(0, -5));
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101 }
102 });
0fa2ca42 103
8e1ab29d 104 // Sanitise the browsers accepted languages and the qualities
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105 for (i = 0; i < langs.length; i++) {
106 langs[i]= langs[i].split(';q=');
8e1ab29d 107 langs[i][0] = langs[i][0].toLowerCase();
28cde487 108 langs[i][1] = (typeof langs[i][1] === 'string') ? parseFloat(langs[i][1]) : 1.0;
0fa2ca42 109 }
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110
111 // Sort the accepted languages by quality
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112 langs.sort(function (a, b) {
113 return b[1] - a[1];
114 });
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115
116 // Serve the first language we have a translation for
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117 for (i = 0; i < langs.length; i++) {
118 if (langs[i][0] === '*') {
119 break;
120 } else if (_.contains(available, langs[i][0])) {
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121 found_locale = langs[i][0];
122 break;
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123 }
124 }
8e1ab29d 125
3eb6b5fd 126 return serveLocale.call(that, request, response, found_locale);
28cde487 127 });
d2831ddd 128 } else {
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129
130 // No accept-language specified in the request so send the default
131 return serveLocale.call(this, request, response, default_locale_id);
0fa2ca42 132 }
3eb6b5fd 133
d2831ddd 134};
cbc8feae 135
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136
137/**
138 * Send a locale to the browser
139 */
140var serveLocale = function (request, response, locale_id) {
141 this.file_server.serveFile('/assets/locales/' + locale_id + '.json', 200, {
142 Vary: 'Accept-Language',
143 'Content-Language': locale_id
144 }, request, response);
0fa2ca42 145};
cbcd1a23 146
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147
148/**
149 * Handle the settings.json request
150 */
151function serveSettings(request, response) {
152 var referrer_url,
153 debug = false,
154 settings;
155
156 // Check the referrer for a debug option
157 if (request.headers['referer']) {
158 referrer_url = url.parse(request.headers['referer'], true);
159 if (referrer_url.query && referrer_url.query.debug) {
160 debug = true;
161 }
498afd32 162 }
cbe80532 163
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164 settings = cached_settings[debug ? 'debug' : 'production'];
165
166 // Generate the settings if we don't have them cached as yet
167 if (settings.settings === '') {
168 generateSettings(request, debug, function (err, settings) {
169 if (err) {
170 response.statusCode = 500;
171 response.end();
172 } else {
173 sendSettings.call(this, request, response, settings);
174 }
175 });
cbe80532 176
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177 } else {
178 sendSettings.call(this, request, response, settings);
179 }
180}
181
182
183/**
184 * Send the the settings to the browser
185 */
186function sendSettings(request, response, settings) {
187 if (request.headers['if-none-match'] && request.headers['if-none-match'] === settings.hash) {
188 response.writeHead(304, 'Not Modified');
189 return response.end();
190 }
191
192 response.writeHead(200, {
193 'ETag': settings.hash,
194 'Content-Type': 'application/json'
195 });
196 response.end(settings.settings);
197}
198
199
200/**
201 * Generate a settings object for the client.
202 * Settings include available translations, default client config, etc
203 */
498afd32 204function generateSettings(request, debug, callback) {
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205 var vars = {
206 server_settings: {},
207 client_plugins: [],
208 translations: [],
209 scripts: [
210 [
211 'libs/lodash.min.js'
212 ],
33432128 213 ['libs/backbone.min.js', 'libs/jed.js']
cbcd1a23 214 ]
498afd32 215 };
cbcd1a23 216
498afd32 217 if (debug) {
cbcd1a23 218 vars.scripts = vars.scripts.concat([
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219 [
220 'src/app.js',
221 'libs/engine.io.js',
222 'libs/engine.io.tools.js'
223 ],
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224 [
225 'src/models/application.js',
226 'src/models/gateway.js'
227 ],
228 [
229 'src/models/newconnection.js',
230 'src/models/panellist.js',
231 'src/models/networkpanellist.js',
232 'src/models/panel.js',
233 'src/models/member.js',
234 'src/models/memberlist.js',
235 'src/models/network.js'
236 ],
d99e7823 237
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238 [
239 'src/models/query.js',
240 'src/models/channel.js',
241 'src/models/server.js',
242 'src/models/applet.js'
243 ],
244
245 [
246 'src/applets/settings.js',
247 'src/applets/chanlist.js',
248 'src/applets/scripteditor.js'
249 ],
250
251 [
252 'src/models/pluginmanager.js',
253 'src/models/datastore.js',
254 'src/helpers/utils.js'
255 ],
256
257 // Some views extend these, so make sure they're loaded beforehand
258 [
259 'src/views/panel.js'
260 ],
261
262 [
263 'src/views/channel.js',
264 'src/views/applet.js',
265 'src/views/application.js',
266 'src/views/apptoolbar.js',
267 'src/views/controlbox.js',
268 'src/views/favicon.js',
269 'src/views/mediamessage.js',
270 'src/views/member.js',
271 'src/views/memberlist.js',
272 'src/views/menubox.js',
273 'src/views/networktabs.js',
274 'src/views/nickchangebox.js',
275 'src/views/resizehandler.js',
276 'src/views/serverselect.js',
277 'src/views/statusmessage.js',
278 'src/views/tabs.js',
279 'src/views/topicbar.js',
280 'src/views/userbox.js'
281 ]
282 ]);
283 } else {
33432128 284 vars.scripts.push(['kiwi.min.js', 'libs/engine.io.bundle.min.js']);
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285 }
286
287 // Any restricted server mode set?
288 if (config.get().restrict_server) {
289 vars.server_settings = {
290 connection: {
291 server: config.get().restrict_server,
292 port: config.get().restrict_server_port || 6667,
293 ssl: config.get().restrict_server_ssl,
294 channel: config.get().restrict_server_channel,
295 nick: config.get().restrict_server_nick,
296 allow_change: false
297 }
298 };
299 }
300
301 // Any client default settings?
302 if (config.get().client) {
303 vars.server_settings.client = config.get().client;
304 }
305
306 // Any client plugins?
307 if (config.get().client_plugins && config.get().client_plugins.length > 0) {
308 vars.client_plugins = config.get().client_plugins;
309 }
310
3eb6b5fd 311 // Get a list of available translations
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312 fs.readFile(__dirname + '/../client/assets/src/translations/translations.json', function (err, translations) {
313 if (err) {
cbe80532 314 return callback(err);
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315 }
316
317 var translation_files;
318 translations = JSON.parse(translations);
319 fs.readdir(__dirname + '/../client/assets/src/translations/', function (err, pofiles) {
498afd32 320 var hash, settings;
cbcd1a23 321 if (err) {
cbe80532 322 return callback(err);
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323 }
324
325 pofiles.forEach(function (file) {
326 var locale = file.slice(0, -3);
327 if ((file.slice(-3) === '.po') && (locale !== 'template')) {
328 vars.translations.push({tag: locale, language: translations[locale]});
329 }
330 });
331
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332 settings = cached_settings[debug?'debug':'production'];
333 settings.settings = JSON.stringify(vars);
342de126 334 settings.hash = crypto.createHash('md5').update(settings.settings).digest('hex');
cbcd1a23 335
498afd32 336 return callback(null, settings);
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337 });
338 });
339}
cbcd1a23 340