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luci-base: ensure that button labels are properly html escaped
[project/luci.git] / modules / luci-base / htdocs / luci-static / resources / luci.js
1 (function(window, document, undefined) {
2 'use strict';
3
4 /* Object.assign polyfill for IE */
5 if (typeof Object.assign !== 'function') {
6 Object.defineProperty(Object, 'assign', {
7 value: function assign(target, varArgs) {
8 if (target == null)
9 throw new TypeError('Cannot convert undefined or null to object');
10
11 var to = Object(target);
12
13 for (var index = 1; index < arguments.length; index++)
14 if (arguments[index] != null)
15 for (var nextKey in arguments[index])
16 if (Object.prototype.hasOwnProperty.call(arguments[index], nextKey))
17 to[nextKey] = arguments[index][nextKey];
18
19 return to;
20 },
21 writable: true,
22 configurable: true
23 });
24 }
25
26 /* Promise.finally polyfill */
27 if (typeof Promise.prototype.finally !== 'function') {
28 Promise.prototype.finally = function(fn) {
29 var onFinally = function(cb) {
30 return Promise.resolve(fn.call(this)).then(cb);
31 };
32
33 return this.then(
34 function(result) { return onFinally.call(this, function() { return result }) },
35 function(reason) { return onFinally.call(this, function() { return Promise.reject(reason) }) }
36 );
37 };
38 }
39
40 /*
41 * Class declaration and inheritance helper
42 */
43
44 var toCamelCase = function(s) {
45 return s.replace(/(?:^|[\. -])(.)/g, function(m0, m1) { return m1.toUpperCase() });
46 };
47
48 var superContext = null, Class = Object.assign(function() {}, {
49 extend: function(properties) {
50 var props = {
51 __base__: { value: this.prototype },
52 __name__: { value: properties.__name__ || 'anonymous' }
53 };
54
55 var ClassConstructor = function() {
56 if (!(this instanceof ClassConstructor))
57 throw new TypeError('Constructor must not be called without "new"');
58
59 if (Object.getPrototypeOf(this).hasOwnProperty('__init__')) {
60 if (typeof(this.__init__) != 'function')
61 throw new TypeError('Class __init__ member is not a function');
62
63 this.__init__.apply(this, arguments)
64 }
65 else {
66 this.super('__init__', arguments);
67 }
68 };
69
70 for (var key in properties)
71 if (!props[key] && properties.hasOwnProperty(key))
72 props[key] = { value: properties[key], writable: true };
73
74 ClassConstructor.prototype = Object.create(this.prototype, props);
75 ClassConstructor.prototype.constructor = ClassConstructor;
76 Object.assign(ClassConstructor, this);
77 ClassConstructor.displayName = toCamelCase(props.__name__.value + 'Class');
78
79 return ClassConstructor;
80 },
81
82 singleton: function(properties /*, ... */) {
83 return Class.extend(properties)
84 .instantiate(Class.prototype.varargs(arguments, 1));
85 },
86
87 instantiate: function(args) {
88 return new (Function.prototype.bind.apply(this,
89 Class.prototype.varargs(args, 0, null)))();
90 },
91
92 call: function(self, method) {
93 if (typeof(this.prototype[method]) != 'function')
94 throw new ReferenceError(method + ' is not defined in class');
95
96 return this.prototype[method].apply(self, self.varargs(arguments, 1));
97 },
98
99 isSubclass: function(_class) {
100 return (_class != null &&
101 typeof(_class) == 'function' &&
102 _class.prototype instanceof this);
103 },
104
105 prototype: {
106 varargs: function(args, offset /*, ... */) {
107 return Array.prototype.slice.call(arguments, 2)
108 .concat(Array.prototype.slice.call(args, offset));
109 },
110
111 super: function(key, callArgs) {
112 for (superContext = Object.getPrototypeOf(superContext ||
113 Object.getPrototypeOf(this));
114 superContext && !superContext.hasOwnProperty(key);
115 superContext = Object.getPrototypeOf(superContext)) { }
116
117 if (!superContext)
118 return null;
119
120 var res = superContext[key];
121
122 if (arguments.length > 1) {
123 if (typeof(res) != 'function')
124 throw new ReferenceError(key + ' is not a function in base class');
125
126 if (typeof(callArgs) != 'object')
127 callArgs = this.varargs(arguments, 1);
128
129 res = res.apply(this, callArgs);
130 }
131
132 superContext = null;
133
134 return res;
135 },
136
137 toString: function() {
138 var s = '[' + this.constructor.displayName + ']', f = true;
139 for (var k in this) {
140 if (this.hasOwnProperty(k)) {
141 s += (f ? ' {\n' : '') + ' ' + k + ': ' + typeof(this[k]) + '\n';
142 f = false;
143 }
144 }
145 return s + (f ? '' : '}');
146 }
147 }
148 });
149
150
151 /*
152 * HTTP Request helper
153 */
154
155 var Headers = Class.extend({
156 __name__: 'LuCI.XHR.Headers',
157 __init__: function(xhr) {
158 var hdrs = this.headers = {};
159 xhr.getAllResponseHeaders().split(/\r\n/).forEach(function(line) {
160 var m = /^([^:]+):(.*)$/.exec(line);
161 if (m != null)
162 hdrs[m[1].trim().toLowerCase()] = m[2].trim();
163 });
164 },
165
166 has: function(name) {
167 return this.headers.hasOwnProperty(String(name).toLowerCase());
168 },
169
170 get: function(name) {
171 var key = String(name).toLowerCase();
172 return this.headers.hasOwnProperty(key) ? this.headers[key] : null;
173 }
174 });
175
176 var Response = Class.extend({
177 __name__: 'LuCI.XHR.Response',
178 __init__: function(xhr, url, duration, headers, content) {
179 this.ok = (xhr.status >= 200 && xhr.status <= 299);
180 this.status = xhr.status;
181 this.statusText = xhr.statusText;
182 this.headers = (headers != null) ? headers : new Headers(xhr);
183 this.duration = duration;
184 this.url = url;
185 this.xhr = xhr;
186
187 if (content != null && typeof(content) == 'object') {
188 this.responseJSON = content;
189 this.responseText = null;
190 }
191 else if (content != null) {
192 this.responseJSON = null;
193 this.responseText = String(content);
194 }
195 else {
196 this.responseJSON = null;
197 this.responseText = xhr.responseText;
198 }
199 },
200
201 clone: function(content) {
202 var copy = new Response(this.xhr, this.url, this.duration, this.headers, content);
203
204 copy.ok = this.ok;
205 copy.status = this.status;
206 copy.statusText = this.statusText;
207
208 return copy;
209 },
210
211 json: function() {
212 if (this.responseJSON == null)
213 this.responseJSON = JSON.parse(this.responseText);
214
215 return this.responseJSON;
216 },
217
218 text: function() {
219 if (this.responseText == null && this.responseJSON != null)
220 this.responseText = JSON.stringify(this.responseJSON);
221
222 return this.responseText;
223 }
224 });
225
226
227 var requestQueue = [];
228
229 function isQueueableRequest(opt) {
230 if (!classes.rpc)
231 return false;
232
233 if (opt.method != 'POST' || typeof(opt.content) != 'object')
234 return false;
235
236 if (opt.nobatch === true)
237 return false;
238
239 var rpcBaseURL = Request.expandURL(classes.rpc.getBaseURL());
240
241 return (rpcBaseURL != null && opt.url.indexOf(rpcBaseURL) == 0);
242 }
243
244 function flushRequestQueue() {
245 if (!requestQueue.length)
246 return;
247
248 var reqopt = Object.assign({}, requestQueue[0][0], { content: [], nobatch: true }),
249 batch = [];
250
251 for (var i = 0; i < requestQueue.length; i++) {
252 batch[i] = requestQueue[i];
253 reqopt.content[i] = batch[i][0].content;
254 }
255
256 requestQueue.length = 0;
257
258 Request.request(rpcBaseURL, reqopt).then(function(reply) {
259 var json = null, req = null;
260
261 try { json = reply.json() }
262 catch(e) { }
263
264 while ((req = batch.shift()) != null)
265 if (Array.isArray(json) && json.length)
266 req[2].call(reqopt, reply.clone(json.shift()));
267 else
268 req[1].call(reqopt, new Error('No related RPC reply'));
269 }).catch(function(error) {
270 var req = null;
271
272 while ((req = batch.shift()) != null)
273 req[1].call(reqopt, error);
274 });
275 }
276
277 var Request = Class.singleton({
278 __name__: 'LuCI.Request',
279
280 interceptors: [],
281
282 expandURL: function(url) {
283 if (!/^(?:[^/]+:)?\/\//.test(url))
284 url = location.protocol + '//' + location.host + url;
285
286 return url;
287 },
288
289 request: function(target, options) {
290 var state = { xhr: new XMLHttpRequest(), url: this.expandURL(target), start: Date.now() },
291 opt = Object.assign({}, options, state),
292 content = null,
293 contenttype = null,
294 callback = this.handleReadyStateChange;
295
296 return new Promise(function(resolveFn, rejectFn) {
297 opt.xhr.onreadystatechange = callback.bind(opt, resolveFn, rejectFn);
298 opt.method = String(opt.method || 'GET').toUpperCase();
299
300 if ('query' in opt) {
301 var q = (opt.query != null) ? Object.keys(opt.query).map(function(k) {
302 if (opt.query[k] != null) {
303 var v = (typeof(opt.query[k]) == 'object')
304 ? JSON.stringify(opt.query[k])
305 : String(opt.query[k]);
306
307 return '%s=%s'.format(encodeURIComponent(k), encodeURIComponent(v));
308 }
309 else {
310 return encodeURIComponent(k);
311 }
312 }).join('&') : '';
313
314 if (q !== '') {
315 switch (opt.method) {
316 case 'GET':
317 case 'HEAD':
318 case 'OPTIONS':
319 opt.url += ((/\?/).test(opt.url) ? '&' : '?') + q;
320 break;
321
322 default:
323 if (content == null) {
324 content = q;
325 contenttype = 'application/x-www-form-urlencoded';
326 }
327 }
328 }
329 }
330
331 if (!opt.cache)
332 opt.url += ((/\?/).test(opt.url) ? '&' : '?') + (new Date()).getTime();
333
334 if (isQueueableRequest(opt)) {
335 requestQueue.push([opt, rejectFn, resolveFn]);
336 requestAnimationFrame(flushRequestQueue);
337 return;
338 }
339
340 if ('username' in opt && 'password' in opt)
341 opt.xhr.open(opt.method, opt.url, true, opt.username, opt.password);
342 else
343 opt.xhr.open(opt.method, opt.url, true);
344
345 opt.xhr.responseType = 'text';
346
347 if ('overrideMimeType' in opt.xhr)
348 opt.xhr.overrideMimeType('application/octet-stream');
349
350 if ('timeout' in opt)
351 opt.xhr.timeout = +opt.timeout;
352
353 if ('credentials' in opt)
354 opt.xhr.withCredentials = !!opt.credentials;
355
356 if (opt.content != null) {
357 switch (typeof(opt.content)) {
358 case 'function':
359 content = opt.content(xhr);
360 break;
361
362 case 'object':
363 if (!(opt.content instanceof FormData)) {
364 content = JSON.stringify(opt.content);
365 contenttype = 'application/json';
366 }
367 else {
368 content = opt.content;
369 }
370 break;
371
372 default:
373 content = String(opt.content);
374 }
375 }
376
377 if ('headers' in opt)
378 for (var header in opt.headers)
379 if (opt.headers.hasOwnProperty(header)) {
380 if (header.toLowerCase() != 'content-type')
381 opt.xhr.setRequestHeader(header, opt.headers[header]);
382 else
383 contenttype = opt.headers[header];
384 }
385
386 if ('progress' in opt && 'upload' in opt.xhr)
387 opt.xhr.upload.addEventListener('progress', opt.progress);
388
389 if (contenttype != null)
390 opt.xhr.setRequestHeader('Content-Type', contenttype);
391
392 try {
393 opt.xhr.send(content);
394 }
395 catch (e) {
396 rejectFn.call(opt, e);
397 }
398 });
399 },
400
401 handleReadyStateChange: function(resolveFn, rejectFn, ev) {
402 var xhr = this.xhr;
403
404 if (xhr.readyState !== 4)
405 return;
406
407 if (xhr.status === 0 && xhr.statusText === '') {
408 rejectFn.call(this, new Error('XHR request aborted by browser'));
409 }
410 else {
411 var response = new Response(
412 xhr, xhr.responseURL || this.url, Date.now() - this.start);
413
414 Promise.all(Request.interceptors.map(function(fn) { return fn(response) }))
415 .then(resolveFn.bind(this, response))
416 .catch(rejectFn.bind(this));
417 }
418 },
419
420 get: function(url, options) {
421 return this.request(url, Object.assign({ method: 'GET' }, options));
422 },
423
424 post: function(url, data, options) {
425 return this.request(url, Object.assign({ method: 'POST', content: data }, options));
426 },
427
428 addInterceptor: function(interceptorFn) {
429 if (typeof(interceptorFn) == 'function')
430 this.interceptors.push(interceptorFn);
431 return interceptorFn;
432 },
433
434 removeInterceptor: function(interceptorFn) {
435 var oldlen = this.interceptors.length, i = oldlen;
436 while (i--)
437 if (this.interceptors[i] === interceptorFn)
438 this.interceptors.splice(i, 1);
439 return (this.interceptors.length < oldlen);
440 },
441
442 poll: {
443 add: function(interval, url, options, callback) {
444 if (isNaN(interval) || interval <= 0)
445 throw new TypeError('Invalid poll interval');
446
447 var ival = interval >>> 0,
448 opts = Object.assign({}, options, { timeout: ival * 1000 - 5 });
449
450 return Poll.add(function() {
451 return Request.request(url, options).then(function(res) {
452 if (!Poll.active())
453 return;
454
455 try {
456 callback(res, res.json(), res.duration);
457 }
458 catch (err) {
459 callback(res, null, res.duration);
460 }
461 });
462 }, ival);
463 },
464
465 remove: function(entry) { return Poll.remove(entry) },
466 start: function() { return Poll.start() },
467 stop: function() { return Poll.stop() },
468 active: function() { return Poll.active() }
469 }
470 });
471
472 var Poll = Class.singleton({
473 __name__: 'LuCI.Poll',
474
475 queue: [],
476
477 add: function(fn, interval) {
478 if (interval == null || interval <= 0)
479 interval = window.L ? window.L.env.pollinterval : null;
480
481 if (isNaN(interval) || typeof(fn) != 'function')
482 throw new TypeError('Invalid argument to LuCI.Poll.add()');
483
484 for (var i = 0; i < this.queue.length; i++)
485 if (this.queue[i].fn === fn)
486 return false;
487
488 var e = {
489 r: true,
490 i: interval >>> 0,
491 fn: fn
492 };
493
494 this.queue.push(e);
495
496 if (this.tick != null && !this.active())
497 this.start();
498
499 return true;
500 },
501
502 remove: function(fn) {
503 if (typeof(fn) != 'function')
504 throw new TypeError('Invalid argument to LuCI.Poll.remove()');
505
506 var len = this.queue.length;
507
508 for (var i = len; i > 0; i--)
509 if (this.queue[i-1].fn === fn)
510 this.queue.splice(i-1, 1);
511
512 if (!this.queue.length && this.stop())
513 this.tick = 0;
514
515 return (this.queue.length != len);
516 },
517
518 start: function() {
519 if (this.active())
520 return false;
521
522 this.tick = 0;
523
524 if (this.queue.length) {
525 this.timer = window.setInterval(this.step, 1000);
526 this.step();
527 document.dispatchEvent(new CustomEvent('poll-start'));
528 }
529
530 return true;
531 },
532
533 stop: function() {
534 if (!this.active())
535 return false;
536
537 document.dispatchEvent(new CustomEvent('poll-stop'));
538 window.clearInterval(this.timer);
539 delete this.timer;
540 delete this.tick;
541 return true;
542 },
543
544 step: function() {
545 for (var i = 0, e = null; (e = Poll.queue[i]) != null; i++) {
546 if ((Poll.tick % e.i) != 0)
547 continue;
548
549 if (!e.r)
550 continue;
551
552 e.r = false;
553
554 Promise.resolve(e.fn()).finally((function() { this.r = true }).bind(e));
555 }
556
557 Poll.tick = (Poll.tick + 1) % Math.pow(2, 32);
558 },
559
560 active: function() {
561 return (this.timer != null);
562 }
563 });
564
565
566 var dummyElem = null,
567 domParser = null,
568 originalCBIInit = null,
569 rpcBaseURL = null,
570 sysFeatures = null,
571 classes = {};
572
573 var LuCI = Class.extend({
574 __name__: 'LuCI',
575 __init__: function(env) {
576
577 document.querySelectorAll('script[src*="/luci.js"]').forEach(function(s) {
578 if (env.base_url == null || env.base_url == '') {
579 var m = (s.getAttribute('src') || '').match(/^(.*)\/luci\.js(?:\?v=([^?]+))?$/);
580 if (m) {
581 env.base_url = m[1];
582 env.resource_version = m[2];
583 }
584 }
585 });
586
587 if (env.base_url == null)
588 this.error('InternalError', 'Cannot find url of luci.js');
589
590 Object.assign(this.env, env);
591
592 document.addEventListener('poll-start', function(ev) {
593 document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
594 e.style.display = (e.id == 'xhr_poll_status_off') ? 'none' : '';
595 });
596 });
597
598 document.addEventListener('poll-stop', function(ev) {
599 document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
600 e.style.display = (e.id == 'xhr_poll_status_on') ? 'none' : '';
601 });
602 });
603
604 var domReady = new Promise(function(resolveFn, rejectFn) {
605 document.addEventListener('DOMContentLoaded', resolveFn);
606 });
607
608 Promise.all([
609 domReady,
610 this.require('ui'),
611 this.require('rpc'),
612 this.require('form'),
613 this.probeRPCBaseURL()
614 ]).then(this.setupDOM.bind(this)).catch(this.error);
615
616 originalCBIInit = window.cbi_init;
617 window.cbi_init = function() {};
618 },
619
620 raise: function(type, fmt /*, ...*/) {
621 var e = null,
622 msg = fmt ? String.prototype.format.apply(fmt, this.varargs(arguments, 2)) : null,
623 stack = null;
624
625 if (type instanceof Error) {
626 e = type;
627
628 if (msg)
629 e.message = msg + ': ' + e.message;
630 }
631 else {
632 try { throw new Error('stacktrace') }
633 catch (e2) { stack = (e2.stack || '').split(/\n/) }
634
635 e = new (window[type || 'Error'] || Error)(msg || 'Unspecified error');
636 e.name = type || 'Error';
637 }
638
639 stack = (stack || []).map(function(frame) {
640 frame = frame.replace(/(.*?)@(.+):(\d+):(\d+)/g, 'at $1 ($2:$3:$4)').trim();
641 return frame ? ' ' + frame : '';
642 });
643
644 if (!/^ at /.test(stack[0]))
645 stack.shift();
646
647 if (/\braise /.test(stack[0]))
648 stack.shift();
649
650 if (/\berror /.test(stack[0]))
651 stack.shift();
652
653 if (stack.length)
654 e.message += '\n' + stack.join('\n');
655
656 if (window.console && console.debug)
657 console.debug(e);
658
659 throw e;
660 },
661
662 error: function(type, fmt /*, ...*/) {
663 try {
664 L.raise.apply(L, Array.prototype.slice.call(arguments));
665 }
666 catch (e) {
667 if (!e.reported) {
668 if (L.ui)
669 L.ui.addNotification(e.name || _('Runtime error'),
670 E('pre', {}, e.message), 'danger');
671 else
672 L.dom.content(document.querySelector('#maincontent'),
673 E('pre', { 'class': 'alert-message error' }, e.message));
674
675 e.reported = true;
676 }
677
678 throw e;
679 }
680 },
681
682 bind: function(fn, self /*, ... */) {
683 return Function.prototype.bind.apply(fn, this.varargs(arguments, 2, self));
684 },
685
686 /* Class require */
687 require: function(name, from) {
688 var L = this, url = null, from = from || [];
689
690 /* Class already loaded */
691 if (classes[name] != null) {
692 /* Circular dependency */
693 if (from.indexOf(name) != -1)
694 L.raise('DependencyError',
695 'Circular dependency: class "%s" depends on "%s"',
696 name, from.join('" which depends on "'));
697
698 return classes[name];
699 }
700
701 url = '%s/%s.js%s'.format(L.env.base_url, name.replace(/\./g, '/'), (L.env.resource_version ? '?v=' + L.env.resource_version : ''));
702 from = [ name ].concat(from);
703
704 var compileClass = function(res) {
705 if (!res.ok)
706 L.raise('NetworkError',
707 'HTTP error %d while loading class file "%s"', res.status, url);
708
709 var source = res.text(),
710 requirematch = /^require[ \t]+(\S+)(?:[ \t]+as[ \t]+([a-zA-Z_]\S*))?$/,
711 strictmatch = /^use[ \t]+strict$/,
712 depends = [],
713 args = '';
714
715 /* find require statements in source */
716 for (var i = 0, off = -1, quote = -1, esc = false; i < source.length; i++) {
717 var chr = source.charCodeAt(i);
718
719 if (esc) {
720 esc = false;
721 }
722 else if (chr == 92) {
723 esc = true;
724 }
725 else if (chr == quote) {
726 var s = source.substring(off, i),
727 m = requirematch.exec(s);
728
729 if (m) {
730 var dep = m[1], as = m[2] || dep.replace(/[^a-zA-Z0-9_]/g, '_');
731 depends.push(L.require(dep, from));
732 args += ', ' + as;
733 }
734 else if (!strictmatch.exec(s)) {
735 break;
736 }
737
738 off = -1;
739 quote = -1;
740 }
741 else if (quote == -1 && (chr == 34 || chr == 39)) {
742 off = i + 1;
743 quote = chr;
744 }
745 }
746
747 /* load dependencies and instantiate class */
748 return Promise.all(depends).then(function(instances) {
749 var _factory, _class;
750
751 try {
752 _factory = eval(
753 '(function(window, document, L%s) { %s })\n\n//# sourceURL=%s\n'
754 .format(args, source, res.url));
755 }
756 catch (error) {
757 L.raise('SyntaxError', '%s\n in %s:%s',
758 error.message, res.url, error.lineNumber || '?');
759 }
760
761 _factory.displayName = toCamelCase(name + 'ClassFactory');
762 _class = _factory.apply(_factory, [window, document, L].concat(instances));
763
764 if (!Class.isSubclass(_class))
765 L.error('TypeError', '"%s" factory yields invalid constructor', name);
766
767 if (_class.displayName == 'AnonymousClass')
768 _class.displayName = toCamelCase(name + 'Class');
769
770 var ptr = Object.getPrototypeOf(L),
771 parts = name.split(/\./),
772 instance = new _class();
773
774 for (var i = 0; ptr && i < parts.length - 1; i++)
775 ptr = ptr[parts[i]];
776
777 if (ptr)
778 ptr[parts[i]] = instance;
779
780 classes[name] = instance;
781
782 return instance;
783 });
784 };
785
786 /* Request class file */
787 classes[name] = Request.get(url, { cache: true }).then(compileClass);
788
789 return classes[name];
790 },
791
792 /* DOM setup */
793 probeRPCBaseURL: function() {
794 if (rpcBaseURL == null) {
795 try {
796 rpcBaseURL = window.sessionStorage.getItem('rpcBaseURL');
797 }
798 catch (e) { }
799 }
800
801 if (rpcBaseURL == null) {
802 var rpcFallbackURL = this.url('admin/ubus');
803
804 rpcBaseURL = Request.get('/ubus/').then(function(res) {
805 return (rpcBaseURL = (res.status == 400) ? '/ubus/' : rpcFallbackURL);
806 }, function() {
807 return (rpcBaseURL = rpcFallbackURL);
808 }).then(function(url) {
809 try {
810 window.sessionStorage.setItem('rpcBaseURL', url);
811 }
812 catch (e) { }
813
814 return url;
815 });
816 }
817
818 return Promise.resolve(rpcBaseURL);
819 },
820
821 probeSystemFeatures: function() {
822 if (sysFeatures == null) {
823 try {
824 sysFeatures = JSON.parse(window.sessionStorage.getItem('sysFeatures'));
825 }
826 catch (e) {}
827 }
828
829 if (!this.isObject(sysFeatures)) {
830 sysFeatures = classes.rpc.declare({
831 object: 'luci',
832 method: 'getFeatures',
833 expect: { '': {} }
834 })().then(function(features) {
835 try {
836 window.sessionStorage.setItem('sysFeatures', JSON.stringify(features));
837 }
838 catch (e) {}
839
840 sysFeatures = features;
841
842 return features;
843 });
844 }
845
846 return Promise.resolve(sysFeatures);
847 },
848
849 hasSystemFeature: function() {
850 var ft = sysFeatures[arguments[0]];
851
852 if (arguments.length == 2)
853 return this.isObject(ft) ? ft[arguments[1]] : null;
854
855 return (ft != null && ft != false);
856 },
857
858 notifySessionExpiry: function() {
859 Poll.stop();
860
861 L.ui.showModal(_('Session expired'), [
862 E('div', { class: 'alert-message warning' },
863 _('A new login is required since the authentication session expired.')),
864 E('div', { class: 'right' },
865 E('div', {
866 class: 'btn primary',
867 click: function() {
868 var loc = window.location;
869 window.location = loc.protocol + '//' + loc.host + loc.pathname + loc.search;
870 }
871 }, _('To login…')))
872 ]);
873
874 L.raise('SessionError', 'Login session is expired');
875 },
876
877 setupDOM: function(res) {
878 var domEv = res[0],
879 uiClass = res[1],
880 rpcClass = res[2],
881 formClass = res[3],
882 rpcBaseURL = res[4];
883
884 rpcClass.setBaseURL(rpcBaseURL);
885
886 rpcClass.addInterceptor(function(msg, req) {
887 if (!L.isObject(msg) || !L.isObject(msg.error) || msg.error.code != -32002)
888 return;
889
890 if (!L.isObject(req) || (req.object == 'session' && req.method == 'access'))
891 return;
892
893 return rpcClass.declare({
894 'object': 'session',
895 'method': 'access',
896 'params': [ 'scope', 'object', 'function' ],
897 'expect': { access: true }
898 })('uci', 'luci', 'read').catch(L.notifySessionExpiry);
899 });
900
901 Request.addInterceptor(function(res) {
902 var isDenied = false;
903
904 if (res.status == 403 && res.headers.get('X-LuCI-Login-Required') == 'yes')
905 isDenied = true;
906
907 if (!isDenied)
908 return;
909
910 L.notifySessionExpiry();
911 });
912
913 return this.probeSystemFeatures().finally(this.initDOM);
914 },
915
916 initDOM: function() {
917 originalCBIInit();
918 Poll.start();
919 document.dispatchEvent(new CustomEvent('luci-loaded'));
920 },
921
922 env: {},
923
924 /* URL construction helpers */
925 path: function(prefix, parts) {
926 var url = [ prefix || '' ];
927
928 for (var i = 0; i < parts.length; i++)
929 if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
930 url.push('/', parts[i]);
931
932 if (url.length === 1)
933 url.push('/');
934
935 return url.join('');
936 },
937
938 url: function() {
939 return this.path(this.env.scriptname, arguments);
940 },
941
942 resource: function() {
943 return this.path(this.env.resource, arguments);
944 },
945
946 location: function() {
947 return this.path(this.env.scriptname, this.env.requestpath);
948 },
949
950
951 /* Data helpers */
952 isObject: function(val) {
953 return (val != null && typeof(val) == 'object');
954 },
955
956 sortedKeys: function(obj, key, sortmode) {
957 if (obj == null || typeof(obj) != 'object')
958 return [];
959
960 return Object.keys(obj).map(function(e) {
961 var v = (key != null) ? obj[e][key] : e;
962
963 switch (sortmode) {
964 case 'addr':
965 v = (v != null) ? v.replace(/(?:^|[.:])([0-9a-fA-F]{1,4})/g,
966 function(m0, m1) { return ('000' + m1.toLowerCase()).substr(-4) }) : null;
967 break;
968
969 case 'num':
970 v = (v != null) ? +v : null;
971 break;
972 }
973
974 return [ e, v ];
975 }).filter(function(e) {
976 return (e[1] != null);
977 }).sort(function(a, b) {
978 return (a[1] > b[1]);
979 }).map(function(e) {
980 return e[0];
981 });
982 },
983
984 toArray: function(val) {
985 if (val == null)
986 return [];
987 else if (Array.isArray(val))
988 return val;
989 else if (typeof(val) == 'object')
990 return [ val ];
991
992 var s = String(val).trim();
993
994 if (s == '')
995 return [];
996
997 return s.split(/\s+/);
998 },
999
1000
1001 /* HTTP resource fetching */
1002 get: function(url, args, cb) {
1003 return this.poll(null, url, args, cb, false);
1004 },
1005
1006 post: function(url, args, cb) {
1007 return this.poll(null, url, args, cb, true);
1008 },
1009
1010 poll: function(interval, url, args, cb, post) {
1011 if (interval !== null && interval <= 0)
1012 interval = this.env.pollinterval;
1013
1014 var data = post ? { token: this.env.token } : null,
1015 method = post ? 'POST' : 'GET';
1016
1017 if (!/^(?:\/|\S+:\/\/)/.test(url))
1018 url = this.url(url);
1019
1020 if (args != null)
1021 data = Object.assign(data || {}, args);
1022
1023 if (interval !== null)
1024 return Request.poll.add(interval, url, { method: method, query: data }, cb);
1025 else
1026 return Request.request(url, { method: method, query: data })
1027 .then(function(res) {
1028 var json = null;
1029 if (/^application\/json\b/.test(res.headers.get('Content-Type')))
1030 try { json = res.json() } catch(e) {}
1031 cb(res.xhr, json, res.duration);
1032 });
1033 },
1034
1035 stop: function(entry) { return Poll.remove(entry) },
1036 halt: function() { return Poll.stop() },
1037 run: function() { return Poll.start() },
1038
1039 /* DOM manipulation */
1040 dom: Class.singleton({
1041 __name__: 'LuCI.DOM',
1042
1043 elem: function(e) {
1044 return (e != null && typeof(e) == 'object' && 'nodeType' in e);
1045 },
1046
1047 parse: function(s) {
1048 var elem;
1049
1050 try {
1051 domParser = domParser || new DOMParser();
1052 elem = domParser.parseFromString(s, 'text/html').body.firstChild;
1053 }
1054 catch(e) {}
1055
1056 if (!elem) {
1057 try {
1058 dummyElem = dummyElem || document.createElement('div');
1059 dummyElem.innerHTML = s;
1060 elem = dummyElem.firstChild;
1061 }
1062 catch (e) {}
1063 }
1064
1065 return elem || null;
1066 },
1067
1068 matches: function(node, selector) {
1069 var m = this.elem(node) ? node.matches || node.msMatchesSelector : null;
1070 return m ? m.call(node, selector) : false;
1071 },
1072
1073 parent: function(node, selector) {
1074 if (this.elem(node) && node.closest)
1075 return node.closest(selector);
1076
1077 while (this.elem(node))
1078 if (this.matches(node, selector))
1079 return node;
1080 else
1081 node = node.parentNode;
1082
1083 return null;
1084 },
1085
1086 append: function(node, children) {
1087 if (!this.elem(node))
1088 return null;
1089
1090 if (Array.isArray(children)) {
1091 for (var i = 0; i < children.length; i++)
1092 if (this.elem(children[i]))
1093 node.appendChild(children[i]);
1094 else if (children !== null && children !== undefined)
1095 node.appendChild(document.createTextNode('' + children[i]));
1096
1097 return node.lastChild;
1098 }
1099 else if (typeof(children) === 'function') {
1100 return this.append(node, children(node));
1101 }
1102 else if (this.elem(children)) {
1103 return node.appendChild(children);
1104 }
1105 else if (children !== null && children !== undefined) {
1106 node.innerHTML = '' + children;
1107 return node.lastChild;
1108 }
1109
1110 return null;
1111 },
1112
1113 content: function(node, children) {
1114 if (!this.elem(node))
1115 return null;
1116
1117 var dataNodes = node.querySelectorAll('[data-idref]');
1118
1119 for (var i = 0; i < dataNodes.length; i++)
1120 delete this.registry[dataNodes[i].getAttribute('data-idref')];
1121
1122 while (node.firstChild)
1123 node.removeChild(node.firstChild);
1124
1125 return this.append(node, children);
1126 },
1127
1128 attr: function(node, key, val) {
1129 if (!this.elem(node))
1130 return null;
1131
1132 var attr = null;
1133
1134 if (typeof(key) === 'object' && key !== null)
1135 attr = key;
1136 else if (typeof(key) === 'string')
1137 attr = {}, attr[key] = val;
1138
1139 for (key in attr) {
1140 if (!attr.hasOwnProperty(key) || attr[key] == null)
1141 continue;
1142
1143 switch (typeof(attr[key])) {
1144 case 'function':
1145 node.addEventListener(key, attr[key]);
1146 break;
1147
1148 case 'object':
1149 node.setAttribute(key, JSON.stringify(attr[key]));
1150 break;
1151
1152 default:
1153 node.setAttribute(key, attr[key]);
1154 }
1155 }
1156 },
1157
1158 create: function() {
1159 var html = arguments[0],
1160 attr = arguments[1],
1161 data = arguments[2],
1162 elem;
1163
1164 if (!(attr instanceof Object) || Array.isArray(attr))
1165 data = attr, attr = null;
1166
1167 if (Array.isArray(html)) {
1168 elem = document.createDocumentFragment();
1169 for (var i = 0; i < html.length; i++)
1170 elem.appendChild(this.create(html[i]));
1171 }
1172 else if (this.elem(html)) {
1173 elem = html;
1174 }
1175 else if (html.charCodeAt(0) === 60) {
1176 elem = this.parse(html);
1177 }
1178 else {
1179 elem = document.createElement(html);
1180 }
1181
1182 if (!elem)
1183 return null;
1184
1185 this.attr(elem, attr);
1186 this.append(elem, data);
1187
1188 return elem;
1189 },
1190
1191 registry: {},
1192
1193 data: function(node, key, val) {
1194 var id = node.getAttribute('data-idref');
1195
1196 /* clear all data */
1197 if (arguments.length > 1 && key == null) {
1198 if (id != null) {
1199 node.removeAttribute('data-idref');
1200 val = this.registry[id]
1201 delete this.registry[id];
1202 return val;
1203 }
1204
1205 return null;
1206 }
1207
1208 /* clear a key */
1209 else if (arguments.length > 2 && key != null && val == null) {
1210 if (id != null) {
1211 val = this.registry[id][key];
1212 delete this.registry[id][key];
1213 return val;
1214 }
1215
1216 return null;
1217 }
1218
1219 /* set a key */
1220 else if (arguments.length > 2 && key != null && val != null) {
1221 if (id == null) {
1222 do { id = Math.floor(Math.random() * 0xffffffff).toString(16) }
1223 while (this.registry.hasOwnProperty(id));
1224
1225 node.setAttribute('data-idref', id);
1226 this.registry[id] = {};
1227 }
1228
1229 return (this.registry[id][key] = val);
1230 }
1231
1232 /* get all data */
1233 else if (arguments.length == 1) {
1234 if (id != null)
1235 return this.registry[id];
1236
1237 return null;
1238 }
1239
1240 /* get a key */
1241 else if (arguments.length == 2) {
1242 if (id != null)
1243 return this.registry[id][key];
1244 }
1245
1246 return null;
1247 },
1248
1249 bindClassInstance: function(node, inst) {
1250 if (!(inst instanceof Class))
1251 L.error('TypeError', 'Argument must be a class instance');
1252
1253 return this.data(node, '_class', inst);
1254 },
1255
1256 findClassInstance: function(node) {
1257 var inst = null;
1258
1259 do {
1260 inst = this.data(node, '_class');
1261 node = node.parentNode;
1262 }
1263 while (!(inst instanceof Class) && node != null);
1264
1265 return inst;
1266 },
1267
1268 callClassMethod: function(node, method /*, ... */) {
1269 var inst = this.findClassInstance(node);
1270
1271 if (inst == null || typeof(inst[method]) != 'function')
1272 return null;
1273
1274 return inst[method].apply(inst, inst.varargs(arguments, 2));
1275 },
1276
1277 isEmpty: function(node, ignoreFn) {
1278 for (var child = node.firstElementChild; child != null; child = child.nextElementSibling)
1279 if (!child.classList.contains('hidden') && (!ignoreFn || !ignoreFn(child)))
1280 return false;
1281
1282 return true;
1283 }
1284 }),
1285
1286 Poll: Poll,
1287 Class: Class,
1288 Request: Request,
1289
1290 view: Class.extend({
1291 __name__: 'LuCI.View',
1292
1293 __init__: function() {
1294 var vp = document.getElementById('view');
1295
1296 L.dom.content(vp, E('div', { 'class': 'spinning' }, _('Loading view…')));
1297
1298 return Promise.resolve(this.load())
1299 .then(L.bind(this.render, this))
1300 .then(L.bind(function(nodes) {
1301 var vp = document.getElementById('view');
1302
1303 L.dom.content(vp, nodes);
1304 L.dom.append(vp, this.addFooter());
1305 }, this)).catch(L.error);
1306 },
1307
1308 load: function() {},
1309 render: function() {},
1310
1311 handleSave: function(ev) {
1312 var tasks = [];
1313
1314 document.getElementById('maincontent')
1315 .querySelectorAll('.cbi-map').forEach(function(map) {
1316 tasks.push(L.dom.callClassMethod(map, 'save'));
1317 });
1318
1319 return Promise.all(tasks);
1320 },
1321
1322 handleSaveApply: function(ev) {
1323 return this.handleSave(ev).then(function() {
1324 L.ui.changes.apply(true);
1325 });
1326 },
1327
1328 handleReset: function(ev) {
1329 var tasks = [];
1330
1331 document.getElementById('maincontent')
1332 .querySelectorAll('.cbi-map').forEach(function(map) {
1333 tasks.push(L.dom.callClassMethod(map, 'reset'));
1334 });
1335
1336 return Promise.all(tasks);
1337 },
1338
1339 addFooter: function() {
1340 var footer = E([]);
1341
1342 if (this.handleSaveApply || this.handleSave || this.handleReset) {
1343 footer.appendChild(E('div', { 'class': 'cbi-page-actions' }, [
1344 this.handleSaveApply ? E('button', {
1345 'class': 'cbi-button cbi-button-apply',
1346 'click': L.ui.createHandlerFn(this, 'handleSaveApply')
1347 }, [ _('Save & Apply') ]) : '', ' ',
1348 this.handleSave ? E('button', {
1349 'class': 'cbi-button cbi-button-save',
1350 'click': L.ui.createHandlerFn(this, 'handleSave')
1351 }, [ _('Save') ]) : '', ' ',
1352 this.handleReset ? E('button', {
1353 'class': 'cbi-button cbi-button-reset',
1354 'click': L.ui.createHandlerFn(this, 'handleReset')
1355 }, [ _('Reset') ]) : ''
1356 ]));
1357 }
1358
1359 return footer;
1360 }
1361 })
1362 });
1363
1364 var XHR = Class.extend({
1365 __name__: 'LuCI.XHR',
1366 __init__: function() {
1367 if (window.console && console.debug)
1368 console.debug('Direct use XHR() is deprecated, please use L.Request instead');
1369 },
1370
1371 _response: function(cb, res, json, duration) {
1372 if (this.active)
1373 cb(res, json, duration);
1374 delete this.active;
1375 },
1376
1377 get: function(url, data, callback, timeout) {
1378 this.active = true;
1379 L.get(url, data, this._response.bind(this, callback), timeout);
1380 },
1381
1382 post: function(url, data, callback, timeout) {
1383 this.active = true;
1384 L.post(url, data, this._response.bind(this, callback), timeout);
1385 },
1386
1387 cancel: function() { delete this.active },
1388 busy: function() { return (this.active === true) },
1389 abort: function() {},
1390 send_form: function() { L.error('InternalError', 'Not implemented') },
1391 });
1392
1393 XHR.get = function() { return window.L.get.apply(window.L, arguments) };
1394 XHR.post = function() { return window.L.post.apply(window.L, arguments) };
1395 XHR.poll = function() { return window.L.poll.apply(window.L, arguments) };
1396 XHR.stop = Request.poll.remove.bind(Request.poll);
1397 XHR.halt = Request.poll.stop.bind(Request.poll);
1398 XHR.run = Request.poll.start.bind(Request.poll);
1399 XHR.running = Request.poll.active.bind(Request.poll);
1400
1401 window.XHR = XHR;
1402 window.LuCI = LuCI;
1403 })(window, document);
Lua Configuration Interface (mirror)