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Merge pull request #3024 from TDT-AG/pr/20190829-material-logo
[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 env.base_url = s.getAttribute('src').replace(/\/luci\.js(?:\?v=[^?]+)?$/, '');
580 });
581
582 if (env.base_url == null)
583 this.error('InternalError', 'Cannot find url of luci.js');
584
585 Object.assign(this.env, env);
586
587 document.addEventListener('poll-start', function(ev) {
588 document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
589 e.style.display = (e.id == 'xhr_poll_status_off') ? 'none' : '';
590 });
591 });
592
593 document.addEventListener('poll-stop', function(ev) {
594 document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
595 e.style.display = (e.id == 'xhr_poll_status_on') ? 'none' : '';
596 });
597 });
598
599 var domReady = new Promise(function(resolveFn, rejectFn) {
600 document.addEventListener('DOMContentLoaded', resolveFn);
601 });
602
603 Promise.all([
604 domReady,
605 this.require('ui'),
606 this.require('rpc'),
607 this.require('form'),
608 this.probeRPCBaseURL()
609 ]).then(this.setupDOM.bind(this)).catch(this.error);
610
611 originalCBIInit = window.cbi_init;
612 window.cbi_init = function() {};
613 },
614
615 raise: function(type, fmt /*, ...*/) {
616 var e = null,
617 msg = fmt ? String.prototype.format.apply(fmt, this.varargs(arguments, 2)) : null,
618 stack = null;
619
620 if (type instanceof Error) {
621 e = type;
622
623 if (msg)
624 e.message = msg + ': ' + e.message;
625 }
626 else {
627 try { throw new Error('stacktrace') }
628 catch (e2) { stack = (e2.stack || '').split(/\n/) }
629
630 e = new (window[type || 'Error'] || Error)(msg || 'Unspecified error');
631 e.name = type || 'Error';
632 }
633
634 stack = (stack || []).map(function(frame) {
635 frame = frame.replace(/(.*?)@(.+):(\d+):(\d+)/g, 'at $1 ($2:$3:$4)').trim();
636 return frame ? ' ' + frame : '';
637 });
638
639 if (!/^ at /.test(stack[0]))
640 stack.shift();
641
642 if (/\braise /.test(stack[0]))
643 stack.shift();
644
645 if (/\berror /.test(stack[0]))
646 stack.shift();
647
648 if (stack.length)
649 e.message += '\n' + stack.join('\n');
650
651 if (window.console && console.debug)
652 console.debug(e);
653
654 throw e;
655 },
656
657 error: function(type, fmt /*, ...*/) {
658 try {
659 L.raise.apply(L, Array.prototype.slice.call(arguments));
660 }
661 catch (e) {
662 if (!e.reported) {
663 if (L.ui)
664 L.ui.addNotification(e.name || _('Runtime error'),
665 E('pre', {}, e.message), 'danger');
666 else
667 L.dom.content(document.querySelector('#maincontent'),
668 E('pre', { 'class': 'alert-message error' }, e.message));
669
670 e.reported = true;
671 }
672
673 throw e;
674 }
675 },
676
677 bind: function(fn, self /*, ... */) {
678 return Function.prototype.bind.apply(fn, this.varargs(arguments, 2, self));
679 },
680
681 /* Class require */
682 require: function(name, from) {
683 var L = this, url = null, from = from || [];
684
685 /* Class already loaded */
686 if (classes[name] != null) {
687 /* Circular dependency */
688 if (from.indexOf(name) != -1)
689 L.raise('DependencyError',
690 'Circular dependency: class "%s" depends on "%s"',
691 name, from.join('" which depends on "'));
692
693 return classes[name];
694 }
695
696 url = '%s/%s.js'.format(L.env.base_url, name.replace(/\./g, '/'));
697 from = [ name ].concat(from);
698
699 var compileClass = function(res) {
700 if (!res.ok)
701 L.raise('NetworkError',
702 'HTTP error %d while loading class file "%s"', res.status, url);
703
704 var source = res.text(),
705 requirematch = /^require[ \t]+(\S+)(?:[ \t]+as[ \t]+([a-zA-Z_]\S*))?$/,
706 strictmatch = /^use[ \t]+strict$/,
707 depends = [],
708 args = '';
709
710 /* find require statements in source */
711 for (var i = 0, off = -1, quote = -1, esc = false; i < source.length; i++) {
712 var chr = source.charCodeAt(i);
713
714 if (esc) {
715 esc = false;
716 }
717 else if (chr == 92) {
718 esc = true;
719 }
720 else if (chr == quote) {
721 var s = source.substring(off, i),
722 m = requirematch.exec(s);
723
724 if (m) {
725 var dep = m[1], as = m[2] || dep.replace(/[^a-zA-Z0-9_]/g, '_');
726 depends.push(L.require(dep, from));
727 args += ', ' + as;
728 }
729 else if (!strictmatch.exec(s)) {
730 break;
731 }
732
733 off = -1;
734 quote = -1;
735 }
736 else if (quote == -1 && (chr == 34 || chr == 39)) {
737 off = i + 1;
738 quote = chr;
739 }
740 }
741
742 /* load dependencies and instantiate class */
743 return Promise.all(depends).then(function(instances) {
744 var _factory, _class;
745
746 try {
747 _factory = eval(
748 '(function(window, document, L%s) { %s })\n\n//# sourceURL=%s\n'
749 .format(args, source, res.url));
750 }
751 catch (error) {
752 L.raise('SyntaxError', '%s\n in %s:%s',
753 error.message, res.url, error.lineNumber || '?');
754 }
755
756 _factory.displayName = toCamelCase(name + 'ClassFactory');
757 _class = _factory.apply(_factory, [window, document, L].concat(instances));
758
759 if (!Class.isSubclass(_class))
760 L.error('TypeError', '"%s" factory yields invalid constructor', name);
761
762 if (_class.displayName == 'AnonymousClass')
763 _class.displayName = toCamelCase(name + 'Class');
764
765 var ptr = Object.getPrototypeOf(L),
766 parts = name.split(/\./),
767 instance = new _class();
768
769 for (var i = 0; ptr && i < parts.length - 1; i++)
770 ptr = ptr[parts[i]];
771
772 if (ptr)
773 ptr[parts[i]] = instance;
774
775 classes[name] = instance;
776
777 return instance;
778 });
779 };
780
781 /* Request class file */
782 classes[name] = Request.get(url, { cache: true }).then(compileClass);
783
784 return classes[name];
785 },
786
787 /* DOM setup */
788 probeRPCBaseURL: function() {
789 if (rpcBaseURL == null) {
790 try {
791 rpcBaseURL = window.sessionStorage.getItem('rpcBaseURL');
792 }
793 catch (e) { }
794 }
795
796 if (rpcBaseURL == null) {
797 var rpcFallbackURL = this.url('admin/ubus');
798
799 rpcBaseURL = Request.get('/ubus/').then(function(res) {
800 return (rpcBaseURL = (res.status == 400) ? '/ubus/' : rpcFallbackURL);
801 }, function() {
802 return (rpcBaseURL = rpcFallbackURL);
803 }).then(function(url) {
804 try {
805 window.sessionStorage.setItem('rpcBaseURL', url);
806 }
807 catch (e) { }
808
809 return url;
810 });
811 }
812
813 return Promise.resolve(rpcBaseURL);
814 },
815
816 probeSystemFeatures: function() {
817 if (sysFeatures == null) {
818 try {
819 sysFeatures = JSON.parse(window.sessionStorage.getItem('sysFeatures'));
820 }
821 catch (e) {}
822 }
823
824 if (!this.isObject(sysFeatures)) {
825 sysFeatures = classes.rpc.declare({
826 object: 'luci',
827 method: 'getFeatures',
828 expect: { '': {} }
829 })().then(function(features) {
830 try {
831 window.sessionStorage.setItem('sysFeatures', JSON.stringify(features));
832 }
833 catch (e) {}
834
835 sysFeatures = features;
836
837 return features;
838 });
839 }
840
841 return Promise.resolve(sysFeatures);
842 },
843
844 hasSystemFeature: function() {
845 var ft = sysFeatures[arguments[0]];
846
847 if (arguments.length == 2)
848 return this.isObject(ft) ? ft[arguments[1]] : null;
849
850 return (ft != null && ft != false);
851 },
852
853 notifySessionExpiry: function() {
854 Poll.stop();
855
856 L.ui.showModal(_('Session expired'), [
857 E('div', { class: 'alert-message warning' },
858 _('A new login is required since the authentication session expired.')),
859 E('div', { class: 'right' },
860 E('div', {
861 class: 'btn primary',
862 click: function() {
863 var loc = window.location;
864 window.location = loc.protocol + '//' + loc.host + loc.pathname + loc.search;
865 }
866 }, _('To login…')))
867 ]);
868
869 L.raise('SessionError', 'Login session is expired');
870 },
871
872 setupDOM: function(res) {
873 var domEv = res[0],
874 uiClass = res[1],
875 rpcClass = res[2],
876 formClass = res[3],
877 rpcBaseURL = res[4];
878
879 rpcClass.setBaseURL(rpcBaseURL);
880
881 rpcClass.addInterceptor(function(msg, req) {
882 if (!L.isObject(msg) || !L.isObject(msg.error) || msg.error.code != -32002)
883 return;
884
885 if (!L.isObject(req) || (req.object == 'session' && req.method == 'access'))
886 return;
887
888 return rpcClass.declare({
889 'object': 'session',
890 'method': 'access',
891 'params': [ 'scope', 'object', 'function' ],
892 'expect': { access: true }
893 })('uci', 'luci', 'read').catch(L.notifySessionExpiry);
894 });
895
896 Request.addInterceptor(function(res) {
897 var isDenied = false;
898
899 if (res.status == 403 && res.headers.get('X-LuCI-Login-Required') == 'yes')
900 isDenied = true;
901
902 if (!isDenied)
903 return;
904
905 L.notifySessionExpiry();
906 });
907
908 return this.probeSystemFeatures().finally(this.initDOM);
909 },
910
911 initDOM: function() {
912 originalCBIInit();
913 Poll.start();
914 document.dispatchEvent(new CustomEvent('luci-loaded'));
915 },
916
917 env: {},
918
919 /* URL construction helpers */
920 path: function(prefix, parts) {
921 var url = [ prefix || '' ];
922
923 for (var i = 0; i < parts.length; i++)
924 if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
925 url.push('/', parts[i]);
926
927 if (url.length === 1)
928 url.push('/');
929
930 return url.join('');
931 },
932
933 url: function() {
934 return this.path(this.env.scriptname, arguments);
935 },
936
937 resource: function() {
938 return this.path(this.env.resource, arguments);
939 },
940
941 location: function() {
942 return this.path(this.env.scriptname, this.env.requestpath);
943 },
944
945
946 /* Data helpers */
947 isObject: function(val) {
948 return (val != null && typeof(val) == 'object');
949 },
950
951 sortedKeys: function(obj, key, sortmode) {
952 if (obj == null || typeof(obj) != 'object')
953 return [];
954
955 return Object.keys(obj).map(function(e) {
956 var v = (key != null) ? obj[e][key] : e;
957
958 switch (sortmode) {
959 case 'addr':
960 v = (v != null) ? v.replace(/(?:^|[.:])([0-9a-fA-F]{1,4})/g,
961 function(m0, m1) { return ('000' + m1.toLowerCase()).substr(-4) }) : null;
962 break;
963
964 case 'num':
965 v = (v != null) ? +v : null;
966 break;
967 }
968
969 return [ e, v ];
970 }).filter(function(e) {
971 return (e[1] != null);
972 }).sort(function(a, b) {
973 return (a[1] > b[1]);
974 }).map(function(e) {
975 return e[0];
976 });
977 },
978
979 toArray: function(val) {
980 if (val == null)
981 return [];
982 else if (Array.isArray(val))
983 return val;
984 else if (typeof(val) == 'object')
985 return [ val ];
986
987 var s = String(val).trim();
988
989 if (s == '')
990 return [];
991
992 return s.split(/\s+/);
993 },
994
995
996 /* HTTP resource fetching */
997 get: function(url, args, cb) {
998 return this.poll(null, url, args, cb, false);
999 },
1000
1001 post: function(url, args, cb) {
1002 return this.poll(null, url, args, cb, true);
1003 },
1004
1005 poll: function(interval, url, args, cb, post) {
1006 if (interval !== null && interval <= 0)
1007 interval = this.env.pollinterval;
1008
1009 var data = post ? { token: this.env.token } : null,
1010 method = post ? 'POST' : 'GET';
1011
1012 if (!/^(?:\/|\S+:\/\/)/.test(url))
1013 url = this.url(url);
1014
1015 if (args != null)
1016 data = Object.assign(data || {}, args);
1017
1018 if (interval !== null)
1019 return Request.poll.add(interval, url, { method: method, query: data }, cb);
1020 else
1021 return Request.request(url, { method: method, query: data })
1022 .then(function(res) {
1023 var json = null;
1024 if (/^application\/json\b/.test(res.headers.get('Content-Type')))
1025 try { json = res.json() } catch(e) {}
1026 cb(res.xhr, json, res.duration);
1027 });
1028 },
1029
1030 stop: function(entry) { return Poll.remove(entry) },
1031 halt: function() { return Poll.stop() },
1032 run: function() { return Poll.start() },
1033
1034 /* DOM manipulation */
1035 dom: Class.singleton({
1036 __name__: 'LuCI.DOM',
1037
1038 elem: function(e) {
1039 return (e != null && typeof(e) == 'object' && 'nodeType' in e);
1040 },
1041
1042 parse: function(s) {
1043 var elem;
1044
1045 try {
1046 domParser = domParser || new DOMParser();
1047 elem = domParser.parseFromString(s, 'text/html').body.firstChild;
1048 }
1049 catch(e) {}
1050
1051 if (!elem) {
1052 try {
1053 dummyElem = dummyElem || document.createElement('div');
1054 dummyElem.innerHTML = s;
1055 elem = dummyElem.firstChild;
1056 }
1057 catch (e) {}
1058 }
1059
1060 return elem || null;
1061 },
1062
1063 matches: function(node, selector) {
1064 var m = this.elem(node) ? node.matches || node.msMatchesSelector : null;
1065 return m ? m.call(node, selector) : false;
1066 },
1067
1068 parent: function(node, selector) {
1069 if (this.elem(node) && node.closest)
1070 return node.closest(selector);
1071
1072 while (this.elem(node))
1073 if (this.matches(node, selector))
1074 return node;
1075 else
1076 node = node.parentNode;
1077
1078 return null;
1079 },
1080
1081 append: function(node, children) {
1082 if (!this.elem(node))
1083 return null;
1084
1085 if (Array.isArray(children)) {
1086 for (var i = 0; i < children.length; i++)
1087 if (this.elem(children[i]))
1088 node.appendChild(children[i]);
1089 else if (children !== null && children !== undefined)
1090 node.appendChild(document.createTextNode('' + children[i]));
1091
1092 return node.lastChild;
1093 }
1094 else if (typeof(children) === 'function') {
1095 return this.append(node, children(node));
1096 }
1097 else if (this.elem(children)) {
1098 return node.appendChild(children);
1099 }
1100 else if (children !== null && children !== undefined) {
1101 node.innerHTML = '' + children;
1102 return node.lastChild;
1103 }
1104
1105 return null;
1106 },
1107
1108 content: function(node, children) {
1109 if (!this.elem(node))
1110 return null;
1111
1112 var dataNodes = node.querySelectorAll('[data-idref]');
1113
1114 for (var i = 0; i < dataNodes.length; i++)
1115 delete this.registry[dataNodes[i].getAttribute('data-idref')];
1116
1117 while (node.firstChild)
1118 node.removeChild(node.firstChild);
1119
1120 return this.append(node, children);
1121 },
1122
1123 attr: function(node, key, val) {
1124 if (!this.elem(node))
1125 return null;
1126
1127 var attr = null;
1128
1129 if (typeof(key) === 'object' && key !== null)
1130 attr = key;
1131 else if (typeof(key) === 'string')
1132 attr = {}, attr[key] = val;
1133
1134 for (key in attr) {
1135 if (!attr.hasOwnProperty(key) || attr[key] == null)
1136 continue;
1137
1138 switch (typeof(attr[key])) {
1139 case 'function':
1140 node.addEventListener(key, attr[key]);
1141 break;
1142
1143 case 'object':
1144 node.setAttribute(key, JSON.stringify(attr[key]));
1145 break;
1146
1147 default:
1148 node.setAttribute(key, attr[key]);
1149 }
1150 }
1151 },
1152
1153 create: function() {
1154 var html = arguments[0],
1155 attr = arguments[1],
1156 data = arguments[2],
1157 elem;
1158
1159 if (!(attr instanceof Object) || Array.isArray(attr))
1160 data = attr, attr = null;
1161
1162 if (Array.isArray(html)) {
1163 elem = document.createDocumentFragment();
1164 for (var i = 0; i < html.length; i++)
1165 elem.appendChild(this.create(html[i]));
1166 }
1167 else if (this.elem(html)) {
1168 elem = html;
1169 }
1170 else if (html.charCodeAt(0) === 60) {
1171 elem = this.parse(html);
1172 }
1173 else {
1174 elem = document.createElement(html);
1175 }
1176
1177 if (!elem)
1178 return null;
1179
1180 this.attr(elem, attr);
1181 this.append(elem, data);
1182
1183 return elem;
1184 },
1185
1186 registry: {},
1187
1188 data: function(node, key, val) {
1189 var id = node.getAttribute('data-idref');
1190
1191 /* clear all data */
1192 if (arguments.length > 1 && key == null) {
1193 if (id != null) {
1194 node.removeAttribute('data-idref');
1195 val = this.registry[id]
1196 delete this.registry[id];
1197 return val;
1198 }
1199
1200 return null;
1201 }
1202
1203 /* clear a key */
1204 else if (arguments.length > 2 && key != null && val == null) {
1205 if (id != null) {
1206 val = this.registry[id][key];
1207 delete this.registry[id][key];
1208 return val;
1209 }
1210
1211 return null;
1212 }
1213
1214 /* set a key */
1215 else if (arguments.length > 2 && key != null && val != null) {
1216 if (id == null) {
1217 do { id = Math.floor(Math.random() * 0xffffffff).toString(16) }
1218 while (this.registry.hasOwnProperty(id));
1219
1220 node.setAttribute('data-idref', id);
1221 this.registry[id] = {};
1222 }
1223
1224 return (this.registry[id][key] = val);
1225 }
1226
1227 /* get all data */
1228 else if (arguments.length == 1) {
1229 if (id != null)
1230 return this.registry[id];
1231
1232 return null;
1233 }
1234
1235 /* get a key */
1236 else if (arguments.length == 2) {
1237 if (id != null)
1238 return this.registry[id][key];
1239 }
1240
1241 return null;
1242 },
1243
1244 bindClassInstance: function(node, inst) {
1245 if (!(inst instanceof Class))
1246 L.error('TypeError', 'Argument must be a class instance');
1247
1248 return this.data(node, '_class', inst);
1249 },
1250
1251 findClassInstance: function(node) {
1252 var inst = null;
1253
1254 do {
1255 inst = this.data(node, '_class');
1256 node = node.parentNode;
1257 }
1258 while (!(inst instanceof Class) && node != null);
1259
1260 return inst;
1261 },
1262
1263 callClassMethod: function(node, method /*, ... */) {
1264 var inst = this.findClassInstance(node);
1265
1266 if (inst == null || typeof(inst[method]) != 'function')
1267 return null;
1268
1269 return inst[method].apply(inst, inst.varargs(arguments, 2));
1270 },
1271
1272 isEmpty: function(node, ignoreFn) {
1273 for (var child = node.firstElementChild; child != null; child = child.nextElementSibling)
1274 if (!child.classList.contains('hidden') && (!ignoreFn || !ignoreFn(child)))
1275 return false;
1276
1277 return true;
1278 }
1279 }),
1280
1281 Poll: Poll,
1282 Class: Class,
1283 Request: Request,
1284
1285 view: Class.extend({
1286 __name__: 'LuCI.View',
1287
1288 __init__: function() {
1289 var vp = document.getElementById('view');
1290
1291 L.dom.content(vp, E('div', { 'class': 'spinning' }, _('Loading view…')));
1292
1293 return Promise.resolve(this.load())
1294 .then(L.bind(this.render, this))
1295 .then(L.bind(function(nodes) {
1296 var vp = document.getElementById('view');
1297
1298 L.dom.content(vp, nodes);
1299 L.dom.append(vp, this.addFooter());
1300 }, this)).catch(L.error);
1301 },
1302
1303 load: function() {},
1304 render: function() {},
1305
1306 handleSave: function(ev) {
1307 var tasks = [];
1308
1309 document.getElementById('maincontent')
1310 .querySelectorAll('.cbi-map').forEach(function(map) {
1311 tasks.push(L.dom.callClassMethod(map, 'save'));
1312 });
1313
1314 return Promise.all(tasks);
1315 },
1316
1317 handleSaveApply: function(ev) {
1318 return this.handleSave(ev).then(function() {
1319 L.ui.changes.apply(true);
1320 });
1321 },
1322
1323 handleReset: function(ev) {
1324 var tasks = [];
1325
1326 document.getElementById('maincontent')
1327 .querySelectorAll('.cbi-map').forEach(function(map) {
1328 tasks.push(L.dom.callClassMethod(map, 'reset'));
1329 });
1330
1331 return Promise.all(tasks);
1332 },
1333
1334 addFooter: function() {
1335 var footer = E([]),
1336 mc = document.getElementById('maincontent');
1337
1338 if (mc.querySelector('.cbi-map')) {
1339 footer.appendChild(E('div', { 'class': 'cbi-page-actions' }, [
1340 E('button', {
1341 'class': 'cbi-button cbi-button-apply',
1342 'click': L.ui.createHandlerFn(this, 'handleSaveApply')
1343 }, _('Save & Apply')), ' ',
1344 E('button', {
1345 'class': 'cbi-button cbi-button-save',
1346 'click': L.ui.createHandlerFn(this, 'handleSave')
1347 }, _('Save')), ' ',
1348 E('button', {
1349 'class': 'cbi-button cbi-button-reset',
1350 'click': L.ui.createHandlerFn(this, 'handleReset')
1351 }, _('Reset'))
1352 ]));
1353 }
1354
1355 return footer;
1356 }
1357 })
1358 });
1359
1360 var XHR = Class.extend({
1361 __name__: 'LuCI.XHR',
1362 __init__: function() {
1363 if (window.console && console.debug)
1364 console.debug('Direct use XHR() is deprecated, please use L.Request instead');
1365 },
1366
1367 _response: function(cb, res, json, duration) {
1368 if (this.active)
1369 cb(res, json, duration);
1370 delete this.active;
1371 },
1372
1373 get: function(url, data, callback, timeout) {
1374 this.active = true;
1375 L.get(url, data, this._response.bind(this, callback), timeout);
1376 },
1377
1378 post: function(url, data, callback, timeout) {
1379 this.active = true;
1380 L.post(url, data, this._response.bind(this, callback), timeout);
1381 },
1382
1383 cancel: function() { delete this.active },
1384 busy: function() { return (this.active === true) },
1385 abort: function() {},
1386 send_form: function() { L.error('InternalError', 'Not implemented') },
1387 });
1388
1389 XHR.get = function() { return window.L.get.apply(window.L, arguments) };
1390 XHR.post = function() { return window.L.post.apply(window.L, arguments) };
1391 XHR.poll = function() { return window.L.poll.apply(window.L, arguments) };
1392 XHR.stop = Request.poll.remove.bind(Request.poll);
1393 XHR.halt = Request.poll.stop.bind(Request.poll);
1394 XHR.run = Request.poll.start.bind(Request.poll);
1395 XHR.running = Request.poll.active.bind(Request.poll);
1396
1397 window.XHR = XHR;
1398 window.LuCI = LuCI;
1399 })(window, document);
Lua Configuration Interface (mirror)