ef187d5238
Add a new function L.error() which creates and throws a custom error object with stack information and given type. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
873 lines
22 KiB
JavaScript
873 lines
22 KiB
JavaScript
(function(window, document, undefined) {
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/* Object.assign polyfill for IE */
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if (typeof Object.assign !== 'function') {
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Object.defineProperty(Object, 'assign', {
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value: function assign(target, varArgs) {
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if (target == null)
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throw new TypeError('Cannot convert undefined or null to object');
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var to = Object(target);
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for (var index = 1; index < arguments.length; index++)
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if (arguments[index] != null)
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for (var nextKey in arguments[index])
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if (Object.prototype.hasOwnProperty.call(arguments[index], nextKey))
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to[nextKey] = arguments[index][nextKey];
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return to;
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},
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writable: true,
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configurable: true
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});
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}
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/*
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* Class declaration and inheritance helper
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*/
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var toCamelCase = function(s) {
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return s.replace(/(?:^|[\. -])(.)/g, function(m0, m1) { return m1.toUpperCase() });
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};
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var superContext = null, Class = Object.assign(function() {}, {
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extend: function(properties) {
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var props = {
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__base__: { value: this.prototype },
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__name__: { value: properties.__name__ || 'anonymous' }
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};
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var ClassConstructor = function() {
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if (!(this instanceof ClassConstructor))
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throw new TypeError('Constructor must not be called without "new"');
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if (Object.getPrototypeOf(this).hasOwnProperty('__init__')) {
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if (typeof(this.__init__) != 'function')
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throw new TypeError('Class __init__ member is not a function');
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this.__init__.apply(this, arguments)
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}
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else {
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this.super('__init__', arguments);
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}
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};
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for (var key in properties)
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if (!props[key] && properties.hasOwnProperty(key))
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props[key] = { value: properties[key], writable: true };
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ClassConstructor.prototype = Object.create(this.prototype, props);
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ClassConstructor.prototype.constructor = ClassConstructor;
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Object.assign(ClassConstructor, this);
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ClassConstructor.displayName = toCamelCase(props.__name__.value + 'Class');
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return ClassConstructor;
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},
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singleton: function(properties /*, ... */) {
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return Class.extend(properties)
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.instantiate(Class.prototype.varargs(arguments, 1));
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},
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instantiate: function(args) {
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return new (Function.prototype.bind.apply(this,
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Class.prototype.varargs(args, 0, null)))();
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},
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call: function(self, method) {
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if (typeof(this.prototype[method]) != 'function')
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throw new ReferenceError(method + ' is not defined in class');
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return this.prototype[method].apply(self, self.varargs(arguments, 1));
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},
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isSubclass: function(_class) {
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return (_class != null &&
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typeof(_class) == 'function' &&
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_class.prototype instanceof this);
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},
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prototype: {
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varargs: function(args, offset /*, ... */) {
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return Array.prototype.slice.call(arguments, 2)
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.concat(Array.prototype.slice.call(args, offset));
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},
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super: function(key, callArgs) {
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for (superContext = Object.getPrototypeOf(superContext ||
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Object.getPrototypeOf(this));
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superContext && !superContext.hasOwnProperty(key);
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superContext = Object.getPrototypeOf(superContext)) { }
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if (!superContext)
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return null;
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var res = superContext[key];
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if (arguments.length > 1) {
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if (typeof(res) != 'function')
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throw new ReferenceError(key + ' is not a function in base class');
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if (typeof(callArgs) != 'object')
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callArgs = this.varargs(arguments, 1);
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res = res.apply(this, callArgs);
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}
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superContext = null;
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return res;
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},
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toString: function() {
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var s = '[' + this.constructor.displayName + ']', f = true;
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for (var k in this) {
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if (this.hasOwnProperty(k)) {
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s += (f ? ' {\n' : '') + ' ' + k + ': ' + typeof(this[k]) + '\n';
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f = false;
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}
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}
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return s + (f ? '' : '}');
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}
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}
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});
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/*
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* HTTP Request helper
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*/
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Headers = Class.extend({
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__name__: 'LuCI.XHR.Headers',
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__init__: function(xhr) {
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var hdrs = this.headers = {};
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xhr.getAllResponseHeaders().split(/\r\n/).forEach(function(line) {
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var m = /^([^:]+):(.*)$/.exec(line);
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if (m != null)
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hdrs[m[1].trim().toLowerCase()] = m[2].trim();
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});
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},
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has: function(name) {
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return this.headers.hasOwnProperty(String(name).toLowerCase());
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},
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get: function(name) {
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var key = String(name).toLowerCase();
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return this.headers.hasOwnProperty(key) ? this.headers[key] : null;
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}
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});
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Response = Class.extend({
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__name__: 'LuCI.XHR.Response',
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__init__: function(xhr, url, duration) {
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this.ok = (xhr.status >= 200 && xhr.status <= 299);
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this.status = xhr.status;
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this.statusText = xhr.statusText;
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this.responseText = xhr.responseText;
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this.headers = new Headers(xhr);
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this.duration = duration;
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this.url = url;
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this.xhr = xhr;
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},
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json: function() {
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return JSON.parse(this.responseText);
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},
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text: function() {
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return this.responseText;
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}
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});
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Request = Class.singleton({
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__name__: 'LuCI.Request',
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interceptors: [],
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request: function(target, options) {
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var state = { xhr: new XMLHttpRequest(), url: target, start: Date.now() },
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opt = Object.assign({}, options, state),
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content = null,
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contenttype = null,
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callback = this.handleReadyStateChange;
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return new Promise(function(resolveFn, rejectFn) {
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opt.xhr.onreadystatechange = callback.bind(opt, resolveFn, rejectFn);
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opt.method = String(opt.method || 'GET').toUpperCase();
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if ('query' in opt) {
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var q = (opt.query != null) ? Object.keys(opt.query).map(function(k) {
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if (opt.query[k] != null) {
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var v = (typeof(opt.query[k]) == 'object')
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? JSON.stringify(opt.query[k])
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: String(opt.query[k]);
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return '%s=%s'.format(encodeURIComponent(k), encodeURIComponent(v));
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}
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else {
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return encodeURIComponent(k);
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}
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}).join('&') : '';
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if (q !== '') {
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switch (opt.method) {
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case 'GET':
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case 'HEAD':
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case 'OPTIONS':
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opt.url += ((/\?/).test(opt.url) ? '&' : '?') + q;
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break;
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default:
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if (content == null) {
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content = q;
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contenttype = 'application/x-www-form-urlencoded';
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}
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}
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}
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}
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if (!opt.cache)
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opt.url += ((/\?/).test(opt.url) ? '&' : '?') + (new Date()).getTime();
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if (!/^(?:[^/]+:)?\/\//.test(opt.url))
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opt.url = location.protocol + '//' + location.host + opt.url;
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if ('username' in opt && 'password' in opt)
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opt.xhr.open(opt.method, opt.url, true, opt.username, opt.password);
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else
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opt.xhr.open(opt.method, opt.url, true);
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opt.xhr.responseType = 'text';
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opt.xhr.overrideMimeType('application/octet-stream');
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if ('timeout' in opt)
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opt.xhr.timeout = +opt.timeout;
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if ('credentials' in opt)
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opt.xhr.withCredentials = !!opt.credentials;
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if (opt.content != null) {
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switch (typeof(opt.content)) {
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case 'function':
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content = opt.content(xhr);
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break;
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case 'object':
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content = JSON.stringify(opt.content);
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contenttype = 'application/json';
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break;
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default:
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content = String(opt.content);
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}
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}
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if ('headers' in opt)
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for (var header in opt.headers)
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if (opt.headers.hasOwnProperty(header)) {
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if (header.toLowerCase() != 'content-type')
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opt.xhr.setRequestHeader(header, opt.headers[header]);
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else
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contenttype = opt.headers[header];
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}
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if (contenttype != null)
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opt.xhr.setRequestHeader('Content-Type', contenttype);
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try {
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opt.xhr.send(content);
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}
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catch (e) {
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rejectFn.call(opt, e);
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}
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});
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},
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handleReadyStateChange: function(resolveFn, rejectFn, ev) {
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var xhr = this.xhr;
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if (xhr.readyState !== 4)
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return;
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if (xhr.status === 0 && xhr.statusText === '') {
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rejectFn.call(this, new Error('XHR request aborted by browser'));
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}
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else {
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var response = new Response(
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xhr, xhr.responseURL || this.url, Date.now() - this.start);
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Promise.all(Request.interceptors.map(function(fn) { return fn(response) }))
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.then(resolveFn.bind(this, response))
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.catch(rejectFn.bind(this));
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}
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try {
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xhr.abort();
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}
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catch(e) {}
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},
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get: function(url, options) {
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return this.request(url, Object.assign({ method: 'GET' }, options));
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},
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post: function(url, data, options) {
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return this.request(url, Object.assign({ method: 'POST', content: data }, options));
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},
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addInterceptor: function(interceptorFn) {
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if (typeof(interceptorFn) == 'function')
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this.interceptors.push(interceptorFn);
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return interceptorFn;
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},
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removeInterceptor: function(interceptorFn) {
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var oldlen = this.interceptors.length, i = oldlen;
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while (i--)
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if (this.interceptors[i] === interceptorFn)
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this.interceptors.splice(i, 1);
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return (this.interceptors.length < oldlen);
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},
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poll: Class.singleton({
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__name__: 'LuCI.Request.Poll',
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queue: [],
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add: function(interval, url, options, callback) {
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if (isNaN(interval) || interval <= 0)
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throw new TypeError('Invalid poll interval');
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var e = {
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interval: interval,
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url: url,
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options: options,
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callback: callback
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};
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this.queue.push(e);
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return e;
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},
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remove: function(entry) {
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var oldlen = this.queue.length, i = oldlen;
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while (i--)
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if (this.queue[i] === entry) {
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delete this.queue[i].running;
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this.queue.splice(i, 1);
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}
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if (!this.queue.length)
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this.stop();
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return (this.queue.length < oldlen);
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},
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start: function() {
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if (!this.queue.length || this.active())
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return false;
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this.tick = 0;
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this.timer = window.setInterval(this.step, 1000);
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this.step();
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document.dispatchEvent(new CustomEvent('poll-start'));
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return true;
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},
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stop: function() {
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if (!this.active())
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return false;
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document.dispatchEvent(new CustomEvent('poll-stop'));
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window.clearInterval(this.timer);
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delete this.timer;
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delete this.tick;
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return true;
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},
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step: function() {
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Request.poll.queue.forEach(function(e) {
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if ((Request.poll.tick % e.interval) != 0)
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return;
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if (e.running)
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return;
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var opts = Object.assign({}, e.options,
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{ timeout: e.interval * 1000 - 5 });
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e.running = true;
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Request.request(e.url, opts)
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.then(function(res) {
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if (!e.running || !Request.poll.active())
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return;
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try {
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e.callback(res, res.json(), res.duration);
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}
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catch (err) {
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e.callback(res, null, res.duration);
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}
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})
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.finally(function() { delete e.running });
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});
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Request.poll.tick = (Request.poll.tick + 1) % Math.pow(2, 32);
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},
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active: function() {
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return (this.timer != null);
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}
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})
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});
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var dummyElem = null,
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domParser = null,
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originalCBIInit = null,
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classes = {};
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LuCI = Class.extend({
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__name__: 'LuCI',
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__init__: function(env) {
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Object.assign(this.env, env);
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document.addEventListener('DOMContentLoaded', this.setupDOM.bind(this));
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document.addEventListener('poll-start', function(ev) {
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document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
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e.style.display = (e.id == 'xhr_poll_status_off') ? 'none' : '';
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});
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});
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document.addEventListener('poll-stop', function(ev) {
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document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
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e.style.display = (e.id == 'xhr_poll_status_on') ? 'none' : '';
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});
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});
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originalCBIInit = window.cbi_init;
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window.cbi_init = function() {};
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},
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error: function(type, fmt /*, ...*/) {
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var e = null,
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msg = fmt ? String.prototype.format.apply(fmt, this.varargs(arguments, 2)) : null,
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stack = null;
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if (type instanceof Error) {
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e = type;
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stack = (e.stack || '').split(/\n/);
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if (msg)
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e.message = msg + ': ' + e.message;
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}
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else {
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e = new (window[type || 'Error'] || Error)(msg || 'Unspecified error');
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e.name = type || 'Error';
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try { throw new Error('stacktrace') }
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catch (e2) { stack = (e2.stack || '').split(/\n/) }
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/* IE puts the exception message into the first line */
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if (stack[0] == 'Error: stacktrace')
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stack.shift();
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/* Pop L.error() invocation from stack */
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stack.shift();
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}
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/* Append shortened & beautified stacktrace to message */
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e.message += '\n' + stack.join('\n')
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.replace(/(.*?)@(.+):(\d+):(\d+)/g, ' at $1 ($2:$3:$4)');
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if (window.console && console.debug)
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console.debug(e);
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throw e;
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},
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/* Class require */
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require: function(name, from) {
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var L = this, url = null, from = from || [];
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/* Class already loaded */
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if (classes[name] != null) {
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/* Circular dependency */
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if (from.indexOf(name) != -1)
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L.error('DependencyError',
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'Circular dependency: class "%s" depends on "%s"',
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name, from.join('" which depends on "'));
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return classes[name];
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}
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document.querySelectorAll('script[src$="/luci.js"]').forEach(function(s) {
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url = '%s/%s.js'.format(
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s.getAttribute('src').replace(/\/luci\.js$/, ''),
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name.replace(/\./g, '/'));
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});
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if (url == null)
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L.error('InternalError', 'Cannot find url of luci.js');
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from = [ name ].concat(from);
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var compileClass = function(res) {
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if (!res.ok)
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L.error('NetworkError',
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'HTTP error %d while loading class file "%s"', res.status, url);
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var source = res.text(),
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reqmatch = /(?:^|\n)[ \t]*(?:["']require[ \t]+(\S+)(?:[ \t]+as[ \t]+([a-zA-Z_]\S*))?["']);/g,
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depends = [],
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args = '';
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/* find require statements in source */
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for (var m = reqmatch.exec(source); m; m = reqmatch.exec(source)) {
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var dep = m[1], as = m[2] || dep.replace(/[^a-zA-Z0-9_]/g, '_');
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depends.push(L.require(dep, from));
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args += ', ' + as;
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}
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/* load dependencies and instantiate class */
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return Promise.all(depends).then(function(instances) {
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try {
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_factory = eval(
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'(function(window, document, L%s) { %s })\n\n//# sourceURL=%s\n'
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.format(args, source, res.url));
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}
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catch (error) {
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L.error('SyntaxError', '%s\n in %s:%s',
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error.message, res.url, error.lineNumber || '?');
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}
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_factory.displayName = toCamelCase(name + 'ClassFactory');
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_class = _factory.apply(_factory, [window, document, L].concat(instances));
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if (!Class.isSubclass(_class))
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L.error('TypeError', '"%s" factory yields invalid constructor', name);
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if (_class.displayName == 'AnonymousClass')
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_class.displayName = toCamelCase(name + 'Class');
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|
|
|
var ptr = Object.getPrototypeOf(L),
|
|
parts = name.split(/\./),
|
|
instance = new _class();
|
|
|
|
for (var i = 0; ptr && i < parts.length - 1; i++)
|
|
ptr = ptr[parts[i]];
|
|
|
|
if (!ptr)
|
|
L.error('DependencyError',
|
|
'Parent "%s" for class "%s" is missing',
|
|
parts.slice(0, i).join('.'), name);
|
|
|
|
classes[name] = ptr[parts[i]] = instance;
|
|
|
|
return instance;
|
|
});
|
|
};
|
|
|
|
/* Request class file */
|
|
classes[name] = Request.get(url, { cache: true }).then(compileClass);
|
|
|
|
return classes[name];
|
|
},
|
|
|
|
/* DOM setup */
|
|
setupDOM: function(ev) {
|
|
Promise.all([
|
|
L.require('ui')
|
|
]).then(function() {
|
|
Request.addInterceptor(function(res) {
|
|
if (res.status != 403 || res.headers.get('X-LuCI-Login-Required') != 'yes')
|
|
return;
|
|
|
|
Request.poll.stop();
|
|
|
|
L.ui.showModal(_('Session expired'), [
|
|
E('div', { class: 'alert-message warning' },
|
|
_('A new login is required since the authentication session expired.')),
|
|
E('div', { class: 'right' },
|
|
E('div', {
|
|
class: 'btn primary',
|
|
click: function() {
|
|
var loc = window.location;
|
|
window.location = loc.protocol + '//' + loc.host + loc.pathname + loc.search;
|
|
}
|
|
}, _('To login…')))
|
|
]);
|
|
|
|
L.error('AuthenticationError', 'Session expired');
|
|
});
|
|
|
|
originalCBIInit();
|
|
Request.poll.start();
|
|
|
|
document.dispatchEvent(new CustomEvent('luci-loaded'));
|
|
}).catch(function(error) {
|
|
alert('LuCI class loading error:\n' + error);
|
|
});
|
|
},
|
|
|
|
env: {},
|
|
|
|
/* URL construction helpers */
|
|
path: function(prefix, parts) {
|
|
var url = [ prefix || '' ];
|
|
|
|
for (var i = 0; i < parts.length; i++)
|
|
if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
|
|
url.push('/', parts[i]);
|
|
|
|
if (url.length === 1)
|
|
url.push('/');
|
|
|
|
return url.join('');
|
|
},
|
|
|
|
url: function() {
|
|
return this.path(this.env.scriptname, arguments);
|
|
},
|
|
|
|
resource: function() {
|
|
return this.path(this.env.resource, arguments);
|
|
},
|
|
|
|
location: function() {
|
|
return this.path(this.env.scriptname, this.env.requestpath);
|
|
},
|
|
|
|
|
|
/* HTTP resource fetching */
|
|
get: function(url, args, cb) {
|
|
return this.poll(null, url, args, cb, false);
|
|
},
|
|
|
|
post: function(url, args, cb) {
|
|
return this.poll(null, url, args, cb, true);
|
|
},
|
|
|
|
poll: function(interval, url, args, cb, post) {
|
|
if (interval !== null && interval <= 0)
|
|
interval = this.env.pollinterval;
|
|
|
|
var data = post ? { token: this.env.token } : null,
|
|
method = post ? 'POST' : 'GET';
|
|
|
|
if (!/^(?:\/|\S+:\/\/)/.test(url))
|
|
url = this.url(url);
|
|
|
|
if (args != null)
|
|
data = Object.assign(data || {}, args);
|
|
|
|
if (interval !== null)
|
|
return Request.poll.add(interval, url, { method: method, query: data }, cb);
|
|
else
|
|
return Request.request(url, { method: method, query: data })
|
|
.then(function(res) {
|
|
var json = null;
|
|
if (/^application\/json\b/.test(res.headers.get('Content-Type')))
|
|
try { json = res.json() } catch(e) {}
|
|
cb(res.xhr, json, res.duration);
|
|
});
|
|
},
|
|
|
|
stop: function(entry) { return Request.poll.remove(entry) },
|
|
halt: function() { return Request.poll.stop() },
|
|
run: function() { return Request.poll.start() },
|
|
|
|
/* DOM manipulation */
|
|
dom: Class.singleton({
|
|
__name__: 'LuCI.DOM',
|
|
|
|
elem: function(e) {
|
|
return (e != null && typeof(e) == 'object' && 'nodeType' in e);
|
|
},
|
|
|
|
parse: function(s) {
|
|
var elem;
|
|
|
|
try {
|
|
domParser = domParser || new DOMParser();
|
|
elem = domParser.parseFromString(s, 'text/html').body.firstChild;
|
|
}
|
|
catch(e) {}
|
|
|
|
if (!elem) {
|
|
try {
|
|
dummyElem = dummyElem || document.createElement('div');
|
|
dummyElem.innerHTML = s;
|
|
elem = dummyElem.firstChild;
|
|
}
|
|
catch (e) {}
|
|
}
|
|
|
|
return elem || null;
|
|
},
|
|
|
|
matches: function(node, selector) {
|
|
var m = this.elem(node) ? node.matches || node.msMatchesSelector : null;
|
|
return m ? m.call(node, selector) : false;
|
|
},
|
|
|
|
parent: function(node, selector) {
|
|
if (this.elem(node) && node.closest)
|
|
return node.closest(selector);
|
|
|
|
while (this.elem(node))
|
|
if (this.matches(node, selector))
|
|
return node;
|
|
else
|
|
node = node.parentNode;
|
|
|
|
return null;
|
|
},
|
|
|
|
append: function(node, children) {
|
|
if (!this.elem(node))
|
|
return null;
|
|
|
|
if (Array.isArray(children)) {
|
|
for (var i = 0; i < children.length; i++)
|
|
if (this.elem(children[i]))
|
|
node.appendChild(children[i]);
|
|
else if (children !== null && children !== undefined)
|
|
node.appendChild(document.createTextNode('' + children[i]));
|
|
|
|
return node.lastChild;
|
|
}
|
|
else if (typeof(children) === 'function') {
|
|
return this.append(node, children(node));
|
|
}
|
|
else if (this.elem(children)) {
|
|
return node.appendChild(children);
|
|
}
|
|
else if (children !== null && children !== undefined) {
|
|
node.innerHTML = '' + children;
|
|
return node.lastChild;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
content: function(node, children) {
|
|
if (!this.elem(node))
|
|
return null;
|
|
|
|
while (node.firstChild)
|
|
node.removeChild(node.firstChild);
|
|
|
|
return this.append(node, children);
|
|
},
|
|
|
|
attr: function(node, key, val) {
|
|
if (!this.elem(node))
|
|
return null;
|
|
|
|
var attr = null;
|
|
|
|
if (typeof(key) === 'object' && key !== null)
|
|
attr = key;
|
|
else if (typeof(key) === 'string')
|
|
attr = {}, attr[key] = val;
|
|
|
|
for (key in attr) {
|
|
if (!attr.hasOwnProperty(key) || attr[key] == null)
|
|
continue;
|
|
|
|
switch (typeof(attr[key])) {
|
|
case 'function':
|
|
node.addEventListener(key, attr[key]);
|
|
break;
|
|
|
|
case 'object':
|
|
node.setAttribute(key, JSON.stringify(attr[key]));
|
|
break;
|
|
|
|
default:
|
|
node.setAttribute(key, attr[key]);
|
|
}
|
|
}
|
|
},
|
|
|
|
create: function() {
|
|
var html = arguments[0],
|
|
attr = arguments[1],
|
|
data = arguments[2],
|
|
elem;
|
|
|
|
if (!(attr instanceof Object) || Array.isArray(attr))
|
|
data = attr, attr = null;
|
|
|
|
if (Array.isArray(html)) {
|
|
elem = document.createDocumentFragment();
|
|
for (var i = 0; i < html.length; i++)
|
|
elem.appendChild(this.create(html[i]));
|
|
}
|
|
else if (this.elem(html)) {
|
|
elem = html;
|
|
}
|
|
else if (html.charCodeAt(0) === 60) {
|
|
elem = this.parse(html);
|
|
}
|
|
else {
|
|
elem = document.createElement(html);
|
|
}
|
|
|
|
if (!elem)
|
|
return null;
|
|
|
|
this.attr(elem, attr);
|
|
this.append(elem, data);
|
|
|
|
return elem;
|
|
}
|
|
}),
|
|
|
|
Class: Class,
|
|
Request: Request
|
|
});
|
|
|
|
XHR = Class.extend({
|
|
__name__: 'LuCI.XHR',
|
|
__init__: function() {
|
|
if (window.console && console.debug)
|
|
console.debug('Direct use XHR() is deprecated, please use L.Request instead');
|
|
},
|
|
|
|
_response: function(cb, res, json, duration) {
|
|
if (this.active)
|
|
cb(res, json, duration);
|
|
delete this.active;
|
|
},
|
|
|
|
get: function(url, data, callback, timeout) {
|
|
this.active = true;
|
|
L.get(url, data, this._response.bind(this, callback), timeout);
|
|
},
|
|
|
|
post: function(url, data, callback, timeout) {
|
|
this.active = true;
|
|
L.post(url, data, this._response.bind(this, callback), timeout);
|
|
},
|
|
|
|
cancel: function() { delete this.active },
|
|
busy: function() { return (this.active === true) },
|
|
abort: function() {},
|
|
send_form: function() { L.error('InternalError', 'Not implemented') },
|
|
});
|
|
|
|
XHR.get = function() { return window.L.get.apply(window.L, arguments) };
|
|
XHR.post = function() { return window.L.post.apply(window.L, arguments) };
|
|
XHR.poll = function() { return window.L.poll.apply(window.L, arguments) };
|
|
XHR.stop = Request.poll.remove.bind(Request.poll);
|
|
XHR.halt = Request.poll.stop.bind(Request.poll);
|
|
XHR.run = Request.poll.start.bind(Request.poll);
|
|
XHR.running = Request.poll.active.bind(Request.poll);
|
|
|
|
window.XHR = XHR;
|
|
window.LuCI = LuCI;
|
|
})(window, document);
|