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3463 lines
96 KiB
JavaScript
3463 lines
96 KiB
JavaScript
/**
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* @class LuCI
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* @classdesc
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*
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* This is the LuCI base class. It is automatically instantiated and
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* accessible using the global `L` variable.
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*
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* @param {Object} env
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* The environment settings to use for the LuCI runtime.
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*/
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(function(window, document, undefined) {
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'use strict';
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var env = {};
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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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/* Promise.finally polyfill */
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if (typeof Promise.prototype.finally !== 'function') {
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Promise.prototype.finally = function(fn) {
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var onFinally = function(cb) {
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return Promise.resolve(fn.call(this)).then(cb);
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};
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return this.then(
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function(result) { return onFinally.call(this, function() { return result }) },
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function(reason) { return onFinally.call(this, function() { return Promise.reject(reason) }) }
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);
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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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/**
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* @class baseclass
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* @hideconstructor
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* @memberof LuCI
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* @classdesc
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*
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* `LuCI.baseclass` is the abstract base class all LuCI classes inherit from.
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*
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* It provides simple means to create subclasses of given classes and
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* implements prototypal inheritance.
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*/
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var superContext = {}, classIndex = 0, Class = Object.assign(function() {}, {
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/**
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* Extends this base class with the properties described in
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* `properties` and returns a new subclassed Class instance
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*
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* @memberof LuCI.baseclass
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*
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* @param {Object<string, *>} properties
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* An object describing the properties to add to the new
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* subclass.
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*
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* @returns {LuCI.baseclass}
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* Returns a new LuCI.baseclass sublassed from this class, extended
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* by the given properties and with its prototype set to this base
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* class to enable inheritance. The resulting value represents a
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* class constructor and can be instantiated with `new`.
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*/
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extend: function(properties) {
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var props = {
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__id__: { value: classIndex },
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__base__: { value: this.prototype },
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__name__: { value: properties.__name__ || 'anonymous' + classIndex++ }
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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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/**
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* Extends this base class with the properties described in
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* `properties`, instantiates the resulting subclass using
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* the additional optional arguments passed to this function
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* and returns the resulting subclassed Class instance.
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*
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* This function serves as a convenience shortcut for
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* {@link LuCI.baseclass.extend Class.extend()} and subsequent
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* `new`.
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*
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* @memberof LuCI.baseclass
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*
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* @param {Object<string, *>} properties
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* An object describing the properties to add to the new
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* subclass.
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*
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* @param {...*} [new_args]
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* Specifies arguments to be passed to the subclass constructor
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* as-is in order to instantiate the new subclass.
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*
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* @returns {LuCI.baseclass}
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* Returns a new LuCI.baseclass instance extended by the given
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* properties with its prototype set to this base class to
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* enable inheritance.
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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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/**
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* Calls the class constructor using `new` with the given argument
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* array being passed as variadic parameters to the constructor.
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*
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* @memberof LuCI.baseclass
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*
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* @param {Array<*>} params
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* An array of arbitrary values which will be passed as arguments
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* to the constructor function.
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*
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* @param {...*} [new_args]
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* Specifies arguments to be passed to the subclass constructor
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* as-is in order to instantiate the new subclass.
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*
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* @returns {LuCI.baseclass}
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* Returns a new LuCI.baseclass instance extended by the given
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* properties with its prototype set to this base class to
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* enable inheritance.
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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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/* unused */
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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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/**
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* Checks whether the given class value is a subclass of this class.
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*
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* @memberof LuCI.baseclass
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*
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* @param {LuCI.baseclass} classValue
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* The class object to test.
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*
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* @returns {boolean}
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* Returns `true` when the given `classValue` is a subclass of this
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* class or `false` if the given value is not a valid class or not
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* a subclass of this class'.
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*/
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isSubclass: function(classValue) {
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return (classValue != null &&
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typeof(classValue) == 'function' &&
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classValue.prototype instanceof this);
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},
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prototype: {
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/**
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* Extract all values from the given argument array beginning from
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* `offset` and prepend any further given optional parameters to
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* the beginning of the resulting array copy.
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*
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* @memberof LuCI.baseclass
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* @instance
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*
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* @param {Array<*>} args
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* The array to extract the values from.
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*
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* @param {number} offset
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* The offset from which to extract the values. An offset of `0`
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* would copy all values till the end.
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*
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* @param {...*} [extra_args]
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* Extra arguments to add to prepend to the resultung array.
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*
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* @returns {Array<*>}
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* Returns a new array consisting of the optional extra arguments
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* and the values extracted from the `args` array beginning with
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* `offset`.
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*/
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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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/**
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* Walks up the parent class chain and looks for a class member
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* called `key` in any of the parent classes this class inherits
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* from. Returns the member value of the superclass or calls the
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* member as function and returns its return value when the
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* optional `callArgs` array is given.
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*
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* This function has two signatures and is sensitive to the
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* amount of arguments passed to it:
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* - `super('key')` -
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* Returns the value of `key` when found within one of the
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* parent classes.
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* - `super('key', ['arg1', 'arg2'])` -
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* Calls the `key()` method with parameters `arg1` and `arg2`
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* when found within one of the parent classes.
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*
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* @memberof LuCI.baseclass
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* @instance
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*
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* @param {string} key
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* The name of the superclass member to retrieve.
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*
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* @param {Array<*>} [callArgs]
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* An optional array of function call parameters to use. When
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* this parameter is specified, the found member value is called
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* as function using the values of this array as arguments.
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*
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* @throws {ReferenceError}
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* Throws a `ReferenceError` when `callArgs` are specified and
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* the found member named by `key` is not a function value.
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*
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* @returns {*|null}
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* Returns the value of the found member or the return value of
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* the call to the found method. Returns `null` when no member
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* was found in the parent class chain or when the call to the
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* superclass method returned `null`.
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*/
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super: function(key, callArgs) {
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if (key == null)
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return null;
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var slotIdx = this.__id__ + '.' + key,
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symStack = superContext[slotIdx],
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protoCtx = null;
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for (protoCtx = Object.getPrototypeOf(symStack ? symStack[0] : Object.getPrototypeOf(this));
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protoCtx != null && !protoCtx.hasOwnProperty(key);
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protoCtx = Object.getPrototypeOf(protoCtx)) {}
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if (protoCtx == null)
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return null;
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var res = protoCtx[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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if (symStack)
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symStack.unshift(protoCtx);
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else
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superContext[slotIdx] = [ protoCtx ];
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res = res.apply(this, callArgs);
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if (symStack && symStack.length > 1)
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symStack.shift(protoCtx);
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else
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delete superContext[slotIdx];
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}
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return res;
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},
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/**
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* Returns a string representation of this class.
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*
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* @returns {string}
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* Returns a string representation of this class containing the
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* constructor functions `displayName` and describing the class
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* members and their respective types.
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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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* @class headers
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* @memberof LuCI
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* @hideconstructor
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* @classdesc
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*
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* The `Headers` class is an internal utility class exposed in HTTP
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* response objects using the `response.headers` property.
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*/
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var Headers = Class.extend(/** @lends LuCI.headers.prototype */ {
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__name__: 'LuCI.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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/**
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* Checks whether the given header name is present.
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* Note: Header-Names are case-insensitive.
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*
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* @instance
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* @memberof LuCI.headers
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* @param {string} name
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* The header name to check
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*
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* @returns {boolean}
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* Returns `true` if the header name is present, `false` otherwise
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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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/**
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* Returns the value of the given header name.
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* Note: Header-Names are case-insensitive.
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*
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* @instance
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* @memberof LuCI.headers
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* @param {string} name
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* The header name to read
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*
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* @returns {string|null}
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* The value of the given header name or `null` if the header isn't present.
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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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/**
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* @class response
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* @memberof LuCI
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* @hideconstructor
|
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* @classdesc
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*
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* The `Response` class is an internal utility class representing HTTP responses.
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*/
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var Response = Class.extend({
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__name__: 'LuCI.response',
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__init__: function(xhr, url, duration, headers, content) {
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/**
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* Describes whether the response is successful (status codes `200..299`) or not
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* @instance
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* @memberof LuCI.response
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* @name ok
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* @type {boolean}
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*/
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this.ok = (xhr.status >= 200 && xhr.status <= 299);
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|
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/**
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* The numeric HTTP status code of the response
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* @instance
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* @memberof LuCI.response
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* @name status
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* @type {number}
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*/
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this.status = xhr.status;
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|
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/**
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* The HTTP status description message of the response
|
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* @instance
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* @memberof LuCI.response
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* @name statusText
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* @type {string}
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*/
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this.statusText = xhr.statusText;
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|
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/**
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* The HTTP headers of the response
|
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* @instance
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* @memberof LuCI.response
|
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* @name headers
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* @type {LuCI.headers}
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*/
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this.headers = (headers != null) ? headers : new Headers(xhr);
|
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|
|
/**
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* The total duration of the HTTP request in milliseconds
|
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* @instance
|
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* @memberof LuCI.response
|
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* @name duration
|
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* @type {number}
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*/
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this.duration = duration;
|
|
|
|
/**
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* The final URL of the request, i.e. after following redirects.
|
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* @instance
|
|
* @memberof LuCI.response
|
|
* @name url
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|
* @type {string}
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|
*/
|
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this.url = url;
|
|
|
|
/* privates */
|
|
this.xhr = xhr;
|
|
|
|
if (content instanceof Blob) {
|
|
this.responseBlob = content;
|
|
this.responseJSON = null;
|
|
this.responseText = null;
|
|
}
|
|
else if (content != null && typeof(content) == 'object') {
|
|
this.responseBlob = null;
|
|
this.responseJSON = content;
|
|
this.responseText = null;
|
|
}
|
|
else if (content != null) {
|
|
this.responseBlob = null;
|
|
this.responseJSON = null;
|
|
this.responseText = String(content);
|
|
}
|
|
else {
|
|
this.responseJSON = null;
|
|
|
|
if (xhr.responseType == 'blob') {
|
|
this.responseBlob = xhr.response;
|
|
this.responseText = null;
|
|
}
|
|
else {
|
|
this.responseBlob = null;
|
|
this.responseText = xhr.responseText;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Clones the given response object, optionally overriding the content
|
|
* of the cloned instance.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.response
|
|
* @param {*} [content]
|
|
* Override the content of the cloned response. Object values will be
|
|
* treated as JSON response data, all other types will be converted
|
|
* using `String()` and treated as response text.
|
|
*
|
|
* @returns {LuCI.response}
|
|
* The cloned `Response` instance.
|
|
*/
|
|
clone: function(content) {
|
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var copy = new Response(this.xhr, this.url, this.duration, this.headers, content);
|
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|
|
copy.ok = this.ok;
|
|
copy.status = this.status;
|
|
copy.statusText = this.statusText;
|
|
|
|
return copy;
|
|
},
|
|
|
|
/**
|
|
* Access the response content as JSON data.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.response
|
|
* @throws {SyntaxError}
|
|
* Throws `SyntaxError` if the content isn't valid JSON.
|
|
*
|
|
* @returns {*}
|
|
* The parsed JSON data.
|
|
*/
|
|
json: function() {
|
|
if (this.responseJSON == null)
|
|
this.responseJSON = JSON.parse(this.responseText);
|
|
|
|
return this.responseJSON;
|
|
},
|
|
|
|
/**
|
|
* Access the response content as string.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.response
|
|
* @returns {string}
|
|
* The response content.
|
|
*/
|
|
text: function() {
|
|
if (this.responseText == null && this.responseJSON != null)
|
|
this.responseText = JSON.stringify(this.responseJSON);
|
|
|
|
return this.responseText;
|
|
},
|
|
|
|
/**
|
|
* Access the response content as blob.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.response
|
|
* @returns {Blob}
|
|
* The response content as blob.
|
|
*/
|
|
blob: function() {
|
|
return this.responseBlob;
|
|
}
|
|
});
|
|
|
|
|
|
var requestQueue = [];
|
|
|
|
function isQueueableRequest(opt) {
|
|
if (!classes.rpc)
|
|
return false;
|
|
|
|
if (opt.method != 'POST' || typeof(opt.content) != 'object')
|
|
return false;
|
|
|
|
if (opt.nobatch === true)
|
|
return false;
|
|
|
|
var rpcBaseURL = Request.expandURL(classes.rpc.getBaseURL());
|
|
|
|
return (rpcBaseURL != null && opt.url.indexOf(rpcBaseURL) == 0);
|
|
}
|
|
|
|
function flushRequestQueue() {
|
|
if (!requestQueue.length)
|
|
return;
|
|
|
|
var reqopt = Object.assign({}, requestQueue[0][0], { content: [], nobatch: true }),
|
|
batch = [];
|
|
|
|
for (var i = 0; i < requestQueue.length; i++) {
|
|
batch[i] = requestQueue[i];
|
|
reqopt.content[i] = batch[i][0].content;
|
|
}
|
|
|
|
requestQueue.length = 0;
|
|
|
|
Request.request(rpcBaseURL, reqopt).then(function(reply) {
|
|
var json = null, req = null;
|
|
|
|
try { json = reply.json() }
|
|
catch(e) { }
|
|
|
|
while ((req = batch.shift()) != null)
|
|
if (Array.isArray(json) && json.length)
|
|
req[2].call(reqopt, reply.clone(json.shift()));
|
|
else
|
|
req[1].call(reqopt, new Error('No related RPC reply'));
|
|
}).catch(function(error) {
|
|
var req = null;
|
|
|
|
while ((req = batch.shift()) != null)
|
|
req[1].call(reqopt, error);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @class request
|
|
* @memberof LuCI
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `Request` class allows initiating HTTP requests and provides utilities
|
|
* for dealing with responses.
|
|
*/
|
|
var Request = Class.singleton(/** @lends LuCI.request.prototype */ {
|
|
__name__: 'LuCI.request',
|
|
|
|
interceptors: [],
|
|
|
|
/**
|
|
* Turn the given relative URL into an absolute URL if necessary.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {string} url
|
|
* The URL to convert.
|
|
*
|
|
* @returns {string}
|
|
* The absolute URL derived from the given one, or the original URL
|
|
* if it already was absolute.
|
|
*/
|
|
expandURL: function(url) {
|
|
if (!/^(?:[^/]+:)?\/\//.test(url))
|
|
url = location.protocol + '//' + location.host + url;
|
|
|
|
return url;
|
|
},
|
|
|
|
/**
|
|
* @typedef {Object} RequestOptions
|
|
* @memberof LuCI.request
|
|
*
|
|
* @property {string} [method=GET]
|
|
* The HTTP method to use, e.g. `GET` or `POST`.
|
|
*
|
|
* @property {Object<string, Object|string>} [query]
|
|
* Query string data to append to the URL. Non-string values of the
|
|
* given object will be converted to JSON.
|
|
*
|
|
* @property {boolean} [cache=false]
|
|
* Specifies whether the HTTP response may be retrieved from cache.
|
|
*
|
|
* @property {string} [username]
|
|
* Provides a username for HTTP basic authentication.
|
|
*
|
|
* @property {string} [password]
|
|
* Provides a password for HTTP basic authentication.
|
|
*
|
|
* @property {number} [timeout]
|
|
* Specifies the request timeout in milliseconds.
|
|
*
|
|
* @property {boolean} [credentials=false]
|
|
* Whether to include credentials such as cookies in the request.
|
|
*
|
|
* @property {string} [responseType=text]
|
|
* Overrides the request response type. Valid values or `text` to
|
|
* interpret the response as UTF-8 string or `blob` to handle the
|
|
* response as binary `Blob` data.
|
|
*
|
|
* @property {*} [content]
|
|
* Specifies the HTTP message body to send along with the request.
|
|
* If the value is a function, it is invoked and the return value
|
|
* used as content, if it is a FormData instance, it is used as-is,
|
|
* if it is an object, it will be converted to JSON, in all other
|
|
* cases it is converted to a string.
|
|
*
|
|
* @property {Object<string, string>} [header]
|
|
* Specifies HTTP headers to set for the request.
|
|
*
|
|
* @property {function} [progress]
|
|
* An optional request callback function which receives ProgressEvent
|
|
* instances as sole argument during the HTTP request transfer.
|
|
*/
|
|
|
|
/**
|
|
* Initiate an HTTP request to the given target.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {string} target
|
|
* The URL to request.
|
|
*
|
|
* @param {LuCI.request.RequestOptions} [options]
|
|
* Additional options to configure the request.
|
|
*
|
|
* @returns {Promise<LuCI.response>}
|
|
* The resulting HTTP response.
|
|
*/
|
|
request: function(target, options) {
|
|
return Promise.resolve(target).then((function(url) {
|
|
var state = { xhr: new XMLHttpRequest(), url: this.expandURL(url), start: Date.now() },
|
|
opt = Object.assign({}, options, state),
|
|
content = null,
|
|
contenttype = null,
|
|
callback = this.handleReadyStateChange;
|
|
|
|
return new Promise(function(resolveFn, rejectFn) {
|
|
opt.xhr.onreadystatechange = callback.bind(opt, resolveFn, rejectFn);
|
|
opt.method = String(opt.method || 'GET').toUpperCase();
|
|
|
|
if ('query' in opt) {
|
|
var q = (opt.query != null) ? Object.keys(opt.query).map(function(k) {
|
|
if (opt.query[k] != null) {
|
|
var v = (typeof(opt.query[k]) == 'object')
|
|
? JSON.stringify(opt.query[k])
|
|
: String(opt.query[k]);
|
|
|
|
return '%s=%s'.format(encodeURIComponent(k), encodeURIComponent(v));
|
|
}
|
|
else {
|
|
return encodeURIComponent(k);
|
|
}
|
|
}).join('&') : '';
|
|
|
|
if (q !== '') {
|
|
switch (opt.method) {
|
|
case 'GET':
|
|
case 'HEAD':
|
|
case 'OPTIONS':
|
|
opt.url += ((/\?/).test(opt.url) ? '&' : '?') + q;
|
|
break;
|
|
|
|
default:
|
|
if (content == null) {
|
|
content = q;
|
|
contenttype = 'application/x-www-form-urlencoded';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!opt.cache)
|
|
opt.url += ((/\?/).test(opt.url) ? '&' : '?') + (new Date()).getTime();
|
|
|
|
if (isQueueableRequest(opt)) {
|
|
requestQueue.push([opt, rejectFn, resolveFn]);
|
|
requestAnimationFrame(flushRequestQueue);
|
|
return;
|
|
}
|
|
|
|
if ('username' in opt && 'password' in opt)
|
|
opt.xhr.open(opt.method, opt.url, true, opt.username, opt.password);
|
|
else
|
|
opt.xhr.open(opt.method, opt.url, true);
|
|
|
|
opt.xhr.responseType = opt.responseType || 'text';
|
|
|
|
if ('overrideMimeType' in opt.xhr)
|
|
opt.xhr.overrideMimeType('application/octet-stream');
|
|
|
|
if ('timeout' in opt)
|
|
opt.xhr.timeout = +opt.timeout;
|
|
|
|
if ('credentials' in opt)
|
|
opt.xhr.withCredentials = !!opt.credentials;
|
|
|
|
if (opt.content != null) {
|
|
switch (typeof(opt.content)) {
|
|
case 'function':
|
|
content = opt.content(opt.xhr);
|
|
break;
|
|
|
|
case 'object':
|
|
if (!(opt.content instanceof FormData)) {
|
|
content = JSON.stringify(opt.content);
|
|
contenttype = 'application/json';
|
|
}
|
|
else {
|
|
content = opt.content;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
content = String(opt.content);
|
|
}
|
|
}
|
|
|
|
if ('headers' in opt)
|
|
for (var header in opt.headers)
|
|
if (opt.headers.hasOwnProperty(header)) {
|
|
if (header.toLowerCase() != 'content-type')
|
|
opt.xhr.setRequestHeader(header, opt.headers[header]);
|
|
else
|
|
contenttype = opt.headers[header];
|
|
}
|
|
|
|
if ('progress' in opt && 'upload' in opt.xhr)
|
|
opt.xhr.upload.addEventListener('progress', opt.progress);
|
|
|
|
if (contenttype != null)
|
|
opt.xhr.setRequestHeader('Content-Type', contenttype);
|
|
|
|
try {
|
|
opt.xhr.send(content);
|
|
}
|
|
catch (e) {
|
|
rejectFn.call(opt, e);
|
|
}
|
|
});
|
|
}).bind(this));
|
|
},
|
|
|
|
handleReadyStateChange: function(resolveFn, rejectFn, ev) {
|
|
var xhr = this.xhr,
|
|
duration = Date.now() - this.start;
|
|
|
|
if (xhr.readyState !== 4)
|
|
return;
|
|
|
|
if (xhr.status === 0 && xhr.statusText === '') {
|
|
if (duration >= this.timeout)
|
|
rejectFn.call(this, new Error('XHR request timed out'));
|
|
else
|
|
rejectFn.call(this, new Error('XHR request aborted by browser'));
|
|
}
|
|
else {
|
|
var response = new Response(
|
|
xhr, xhr.responseURL || this.url, duration);
|
|
|
|
Promise.all(Request.interceptors.map(function(fn) { return fn(response) }))
|
|
.then(resolveFn.bind(this, response))
|
|
.catch(rejectFn.bind(this));
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Initiate an HTTP GET request to the given target.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {string} target
|
|
* The URL to request.
|
|
*
|
|
* @param {LuCI.request.RequestOptions} [options]
|
|
* Additional options to configure the request.
|
|
*
|
|
* @returns {Promise<LuCI.response>}
|
|
* The resulting HTTP response.
|
|
*/
|
|
get: function(url, options) {
|
|
return this.request(url, Object.assign({ method: 'GET' }, options));
|
|
},
|
|
|
|
/**
|
|
* Initiate an HTTP POST request to the given target.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {string} target
|
|
* The URL to request.
|
|
*
|
|
* @param {*} [data]
|
|
* The request data to send, see {@link LuCI.request.RequestOptions} for details.
|
|
*
|
|
* @param {LuCI.request.RequestOptions} [options]
|
|
* Additional options to configure the request.
|
|
*
|
|
* @returns {Promise<LuCI.response>}
|
|
* The resulting HTTP response.
|
|
*/
|
|
post: function(url, data, options) {
|
|
return this.request(url, Object.assign({ method: 'POST', content: data }, options));
|
|
},
|
|
|
|
/**
|
|
* Interceptor functions are invoked whenever an HTTP reply is received, in the order
|
|
* these functions have been registered.
|
|
* @callback LuCI.request.interceptorFn
|
|
* @param {LuCI.response} res
|
|
* The HTTP response object
|
|
*/
|
|
|
|
/**
|
|
* Register an HTTP response interceptor function. Interceptor
|
|
* functions are useful to perform default actions on incoming HTTP
|
|
* responses, such as checking for expired authentication or for
|
|
* implementing request retries before returning a failure.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {LuCI.request.interceptorFn} interceptorFn
|
|
* The interceptor function to register.
|
|
*
|
|
* @returns {LuCI.request.interceptorFn}
|
|
* The registered function.
|
|
*/
|
|
addInterceptor: function(interceptorFn) {
|
|
if (typeof(interceptorFn) == 'function')
|
|
this.interceptors.push(interceptorFn);
|
|
return interceptorFn;
|
|
},
|
|
|
|
/**
|
|
* Remove an HTTP response interceptor function. The passed function
|
|
* value must be the very same value that was used to register the
|
|
* function.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request
|
|
* @param {LuCI.request.interceptorFn} interceptorFn
|
|
* The interceptor function to remove.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if any function has been removed, else `false`.
|
|
*/
|
|
removeInterceptor: function(interceptorFn) {
|
|
var oldlen = this.interceptors.length, i = oldlen;
|
|
while (i--)
|
|
if (this.interceptors[i] === interceptorFn)
|
|
this.interceptors.splice(i, 1);
|
|
return (this.interceptors.length < oldlen);
|
|
},
|
|
|
|
/**
|
|
* @class
|
|
* @memberof LuCI.request
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `Request.poll` class provides some convience wrappers around
|
|
* {@link LuCI.poll} mainly to simplify registering repeating HTTP
|
|
* request calls as polling functions.
|
|
*/
|
|
poll: {
|
|
/**
|
|
* The callback function is invoked whenever an HTTP reply to a
|
|
* polled request is received or when the polled request timed
|
|
* out.
|
|
*
|
|
* @callback LuCI.request.poll~callbackFn
|
|
* @param {LuCI.response} res
|
|
* The HTTP response object.
|
|
*
|
|
* @param {*} data
|
|
* The response JSON if the response could be parsed as such,
|
|
* else `null`.
|
|
*
|
|
* @param {number} duration
|
|
* The total duration of the request in milliseconds.
|
|
*/
|
|
|
|
/**
|
|
* Register a repeating HTTP request with an optional callback
|
|
* to invoke whenever a response for the request is received.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request.poll
|
|
* @param {number} interval
|
|
* The poll interval in seconds.
|
|
*
|
|
* @param {string} url
|
|
* The URL to request on each poll.
|
|
*
|
|
* @param {LuCI.request.RequestOptions} [options]
|
|
* Additional options to configure the request.
|
|
*
|
|
* @param {LuCI.request.poll~callbackFn} [callback]
|
|
* {@link LuCI.request.poll~callbackFn Callback} function to
|
|
* invoke for each HTTP reply.
|
|
*
|
|
* @throws {TypeError}
|
|
* Throws `TypeError` when an invalid interval was passed.
|
|
*
|
|
* @returns {function}
|
|
* Returns the internally created poll function.
|
|
*/
|
|
add: function(interval, url, options, callback) {
|
|
if (isNaN(interval) || interval <= 0)
|
|
throw new TypeError('Invalid poll interval');
|
|
|
|
var ival = interval >>> 0,
|
|
opts = Object.assign({}, options, { timeout: ival * 1000 - 5 });
|
|
|
|
var fn = function() {
|
|
return Request.request(url, options).then(function(res) {
|
|
if (!Poll.active())
|
|
return;
|
|
|
|
var res_json = null;
|
|
try {
|
|
res_json = res.json();
|
|
}
|
|
catch (err) {}
|
|
|
|
callback(res, res_json, res.duration);
|
|
});
|
|
};
|
|
|
|
return (Poll.add(fn, ival) ? fn : null);
|
|
},
|
|
|
|
/**
|
|
* Remove a polling request that has been previously added using `add()`.
|
|
* This function is essentially a wrapper around
|
|
* {@link LuCI.poll.remove LuCI.poll.remove()}.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request.poll
|
|
* @param {function} entry
|
|
* The poll function returned by {@link LuCI.request.poll#add add()}.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if any function has been removed, else `false`.
|
|
*/
|
|
remove: function(entry) { return Poll.remove(entry) },
|
|
|
|
/**
|
|
* Alias for {@link LuCI.poll.start LuCI.poll.start()}.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request.poll
|
|
*/
|
|
start: function() { return Poll.start() },
|
|
|
|
/**
|
|
* Alias for {@link LuCI.poll.stop LuCI.poll.stop()}.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request.poll
|
|
*/
|
|
stop: function() { return Poll.stop() },
|
|
|
|
/**
|
|
* Alias for {@link LuCI.poll.active LuCI.poll.active()}.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.request.poll
|
|
*/
|
|
active: function() { return Poll.active() }
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @class poll
|
|
* @memberof LuCI
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `Poll` class allows registering and unregistering poll actions,
|
|
* as well as starting, stopping and querying the state of the polling
|
|
* loop.
|
|
*/
|
|
var Poll = Class.singleton(/** @lends LuCI.poll.prototype */ {
|
|
__name__: 'LuCI.poll',
|
|
|
|
queue: [],
|
|
|
|
/**
|
|
* Add a new operation to the polling loop. If the polling loop is not
|
|
* already started at this point, it will be implicitely started.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.poll
|
|
* @param {function} fn
|
|
* The function to invoke on each poll interval.
|
|
*
|
|
* @param {number} interval
|
|
* The poll interval in seconds.
|
|
*
|
|
* @throws {TypeError}
|
|
* Throws `TypeError` when an invalid interval was passed.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the function has been added or `false` if it
|
|
* already is registered.
|
|
*/
|
|
add: function(fn, interval) {
|
|
if (interval == null || interval <= 0)
|
|
interval = env.pollinterval || null;
|
|
|
|
if (isNaN(interval) || typeof(fn) != 'function')
|
|
throw new TypeError('Invalid argument to LuCI.poll.add()');
|
|
|
|
for (var i = 0; i < this.queue.length; i++)
|
|
if (this.queue[i].fn === fn)
|
|
return false;
|
|
|
|
var e = {
|
|
r: true,
|
|
i: interval >>> 0,
|
|
fn: fn
|
|
};
|
|
|
|
this.queue.push(e);
|
|
|
|
if (this.tick != null && !this.active())
|
|
this.start();
|
|
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Remove an operation from the polling loop. If no further operatons
|
|
* are registered, the polling loop is implicitely stopped.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.poll
|
|
* @param {function} fn
|
|
* The function to remove.
|
|
*
|
|
* @throws {TypeError}
|
|
* Throws `TypeError` when the given argument isn't a function.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the function has been removed or `false` if it
|
|
* wasn't found.
|
|
*/
|
|
remove: function(fn) {
|
|
if (typeof(fn) != 'function')
|
|
throw new TypeError('Invalid argument to LuCI.poll.remove()');
|
|
|
|
var len = this.queue.length;
|
|
|
|
for (var i = len; i > 0; i--)
|
|
if (this.queue[i-1].fn === fn)
|
|
this.queue.splice(i-1, 1);
|
|
|
|
if (!this.queue.length && this.stop())
|
|
this.tick = 0;
|
|
|
|
return (this.queue.length != len);
|
|
},
|
|
|
|
/**
|
|
* (Re)start the polling loop. Dispatches a custom `poll-start` event
|
|
* to the `document` object upon successful start.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.poll
|
|
* @returns {boolean}
|
|
* Returns `true` if polling has been started (or if no functions
|
|
* where registered) or `false` when the polling loop already runs.
|
|
*/
|
|
start: function() {
|
|
if (this.active())
|
|
return false;
|
|
|
|
this.tick = 0;
|
|
|
|
if (this.queue.length) {
|
|
this.timer = window.setInterval(this.step, 1000);
|
|
this.step();
|
|
document.dispatchEvent(new CustomEvent('poll-start'));
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Stop the polling loop. Dispatches a custom `poll-stop` event
|
|
* to the `document` object upon successful stop.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.poll
|
|
* @returns {boolean}
|
|
* Returns `true` if polling has been stopped or `false` if it din't
|
|
* run to begin with.
|
|
*/
|
|
stop: function() {
|
|
if (!this.active())
|
|
return false;
|
|
|
|
document.dispatchEvent(new CustomEvent('poll-stop'));
|
|
window.clearInterval(this.timer);
|
|
delete this.timer;
|
|
delete this.tick;
|
|
return true;
|
|
},
|
|
|
|
/* private */
|
|
step: function() {
|
|
for (var i = 0, e = null; (e = Poll.queue[i]) != null; i++) {
|
|
if ((Poll.tick % e.i) != 0)
|
|
continue;
|
|
|
|
if (!e.r)
|
|
continue;
|
|
|
|
e.r = false;
|
|
|
|
Promise.resolve(e.fn()).finally((function() { this.r = true }).bind(e));
|
|
}
|
|
|
|
Poll.tick = (Poll.tick + 1) % Math.pow(2, 32);
|
|
},
|
|
|
|
/**
|
|
* Test whether the polling loop is running.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.poll
|
|
* @returns {boolean} - Returns `true` if polling is active, else `false`.
|
|
*/
|
|
active: function() {
|
|
return (this.timer != null);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @class dom
|
|
* @memberof LuCI
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `dom` class provides convenience method for creating and
|
|
* manipulating DOM elements.
|
|
*
|
|
* To import the class in views, use `'require dom'`, to import it in
|
|
* external JavaScript, use `L.require("dom").then(...)`.
|
|
*/
|
|
var DOM = Class.singleton(/** @lends LuCI.dom.prototype */ {
|
|
__name__: 'LuCI.dom',
|
|
|
|
/**
|
|
* Tests whether the given argument is a valid DOM `Node`.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} e
|
|
* The value to test.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the value is a DOM `Node`, else `false`.
|
|
*/
|
|
elem: function(e) {
|
|
return (e != null && typeof(e) == 'object' && 'nodeType' in e);
|
|
},
|
|
|
|
/**
|
|
* Parses a given string as HTML and returns the first child node.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {string} s
|
|
* A string containing an HTML fragment to parse. Note that only
|
|
* the first result of the resulting structure is returned, so an
|
|
* input value of `<div>foo</div> <div>bar</div>` will only return
|
|
* the first `div` element node.
|
|
*
|
|
* @returns {Node}
|
|
* Returns the first DOM `Node` extracted from the HTML fragment or
|
|
* `null` on parsing failures or if no element could be found.
|
|
*/
|
|
parse: function(s) {
|
|
var elem = null;
|
|
|
|
try {
|
|
domParser = domParser || new DOMParser();
|
|
elem = domParser.parseFromString(s, 'text/html').body.firstChild;
|
|
}
|
|
catch(e) {}
|
|
|
|
return elem;
|
|
},
|
|
|
|
/**
|
|
* Tests whether a given `Node` matches the given query selector.
|
|
*
|
|
* This function is a convenience wrapper around the standard
|
|
* `Node.matches("selector")` function with the added benefit that
|
|
* the `node` argument may be a non-`Node` value, in which case
|
|
* this function simply returns `false`.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} node
|
|
* The `Node` argument to test the selector against.
|
|
*
|
|
* @param {string} [selector]
|
|
* The query selector expression to test against the given node.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the given node matches the specified selector
|
|
* or `false` when the node argument is no valid DOM `Node` or the
|
|
* selector didn't match.
|
|
*/
|
|
matches: function(node, selector) {
|
|
var m = this.elem(node) ? node.matches || node.msMatchesSelector : null;
|
|
return m ? m.call(node, selector) : false;
|
|
},
|
|
|
|
/**
|
|
* Returns the closest parent node that matches the given query
|
|
* selector expression.
|
|
*
|
|
* This function is a convenience wrapper around the standard
|
|
* `Node.closest("selector")` function with the added benefit that
|
|
* the `node` argument may be a non-`Node` value, in which case
|
|
* this function simply returns `null`.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} node
|
|
* The `Node` argument to find the closest parent for.
|
|
*
|
|
* @param {string} [selector]
|
|
* The query selector expression to test against each parent.
|
|
*
|
|
* @returns {Node|null}
|
|
* Returns the closest parent node matching the selector or
|
|
* `null` when the node argument is no valid DOM `Node` or the
|
|
* selector didn't match any parent.
|
|
*/
|
|
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;
|
|
},
|
|
|
|
/**
|
|
* Appends the given children data to the given node.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} node
|
|
* The `Node` argument to append the children to.
|
|
*
|
|
* @param {*} [children]
|
|
* The childrens to append to the given node.
|
|
*
|
|
* When `children` is an array, then each item of the array
|
|
* will be either appended as child element or text node,
|
|
* depending on whether the item is a DOM `Node` instance or
|
|
* some other non-`null` value. Non-`Node`, non-`null` values
|
|
* will be converted to strings first before being passed as
|
|
* argument to `createTextNode()`.
|
|
*
|
|
* When `children` is a function, it will be invoked with
|
|
* the passed `node` argument as sole parameter and the `append`
|
|
* function will be invoked again, with the given `node` argument
|
|
* as first and the return value of the `children` function as
|
|
* second parameter.
|
|
*
|
|
* When `children` is is a DOM `Node` instance, it will be
|
|
* appended to the given `node`.
|
|
*
|
|
* When `children` is any other non-`null` value, it will be
|
|
* converted to a string and appened to the `innerHTML` property
|
|
* of the given `node`.
|
|
*
|
|
* @returns {Node|null}
|
|
* Returns the last children `Node` appended to the node or `null`
|
|
* if either the `node` argument was no valid DOM `node` or if the
|
|
* `children` was `null` or didn't result in further DOM nodes.
|
|
*/
|
|
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;
|
|
},
|
|
|
|
/**
|
|
* Replaces the content of the given node with the given children.
|
|
*
|
|
* This function first removes any children of the given DOM
|
|
* `Node` and then adds the given given children following the
|
|
* rules outlined below.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} node
|
|
* The `Node` argument to replace the children of.
|
|
*
|
|
* @param {*} [children]
|
|
* The childrens to replace into the given node.
|
|
*
|
|
* When `children` is an array, then each item of the array
|
|
* will be either appended as child element or text node,
|
|
* depending on whether the item is a DOM `Node` instance or
|
|
* some other non-`null` value. Non-`Node`, non-`null` values
|
|
* will be converted to strings first before being passed as
|
|
* argument to `createTextNode()`.
|
|
*
|
|
* When `children` is a function, it will be invoked with
|
|
* the passed `node` argument as sole parameter and the `append`
|
|
* function will be invoked again, with the given `node` argument
|
|
* as first and the return value of the `children` function as
|
|
* second parameter.
|
|
*
|
|
* When `children` is is a DOM `Node` instance, it will be
|
|
* appended to the given `node`.
|
|
*
|
|
* When `children` is any other non-`null` value, it will be
|
|
* converted to a string and appened to the `innerHTML` property
|
|
* of the given `node`.
|
|
*
|
|
* @returns {Node|null}
|
|
* Returns the last children `Node` appended to the node or `null`
|
|
* if either the `node` argument was no valid DOM `node` or if the
|
|
* `children` was `null` or didn't result in further DOM nodes.
|
|
*/
|
|
content: function(node, children) {
|
|
if (!this.elem(node))
|
|
return null;
|
|
|
|
var dataNodes = node.querySelectorAll('[data-idref]');
|
|
|
|
for (var i = 0; i < dataNodes.length; i++)
|
|
delete this.registry[dataNodes[i].getAttribute('data-idref')];
|
|
|
|
while (node.firstChild)
|
|
node.removeChild(node.firstChild);
|
|
|
|
return this.append(node, children);
|
|
},
|
|
|
|
/**
|
|
* Sets attributes or registers event listeners on element nodes.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} node
|
|
* The `Node` argument to set the attributes or add the event
|
|
* listeners for. When the given `node` value is not a valid
|
|
* DOM `Node`, the function returns and does nothing.
|
|
*
|
|
* @param {string|Object<string, *>} key
|
|
* Specifies either the attribute or event handler name to use,
|
|
* or an object containing multiple key, value pairs which are
|
|
* each added to the node as either attribute or event handler,
|
|
* depending on the respective value.
|
|
*
|
|
* @param {*} [val]
|
|
* Specifies the attribute value or event handler function to add.
|
|
* If the `key` parameter is an `Object`, this parameter will be
|
|
* ignored.
|
|
*
|
|
* When `val` is of type function, it will be registered as event
|
|
* handler on the given `node` with the `key` parameter being the
|
|
* event name.
|
|
*
|
|
* When `val` is of type object, it will be serialized as JSON and
|
|
* added as attribute to the given `node`, using the given `key`
|
|
* as attribute name.
|
|
*
|
|
* When `val` is of any other type, it will be added as attribute
|
|
* to the given `node` as-is, with the underlying `setAttribute()`
|
|
* call implicitely turning it into a string.
|
|
*/
|
|
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]);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Creates a new DOM `Node` from the given `html`, `attr` and
|
|
* `data` parameters.
|
|
*
|
|
* This function has multiple signatures, it can be either invoked
|
|
* in the form `create(html[, attr[, data]])` or in the form
|
|
* `create(html[, data])`. The used variant is determined from the
|
|
* type of the second argument.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {*} html
|
|
* Describes the node to create.
|
|
*
|
|
* When the value of `html` is of type array, a `DocumentFragment`
|
|
* node is created and each item of the array is first converted
|
|
* to a DOM `Node` by passing it through `create()` and then added
|
|
* as child to the fragment.
|
|
*
|
|
* When the value of `html` is a DOM `Node` instance, no new
|
|
* element will be created but the node will be used as-is.
|
|
*
|
|
* When the value of `html` is a string starting with `<`, it will
|
|
* be passed to `dom.parse()` and the resulting value is used.
|
|
*
|
|
* When the value of `html` is any other string, it will be passed
|
|
* to `document.createElement()` for creating a new DOM `Node` of
|
|
* the given name.
|
|
*
|
|
* @param {Object<string, *>} [attr]
|
|
* Specifies an Object of key, value pairs to set as attributes
|
|
* or event handlers on the created node. Refer to
|
|
* {@link LuCI.dom#attr dom.attr()} for details.
|
|
*
|
|
* @param {*} [data]
|
|
* Specifies children to append to the newly created element.
|
|
* Refer to {@link LuCI.dom#append dom.append()} for details.
|
|
*
|
|
* @throws {InvalidCharacterError}
|
|
* Throws an `InvalidCharacterError` when the given `html`
|
|
* argument contained malformed markup (such as not escaped
|
|
* `&` characters in XHTML mode) or when the given node name
|
|
* in `html` contains characters which are not legal in DOM
|
|
* element names, such as spaces.
|
|
*
|
|
* @returns {Node}
|
|
* Returns the newly created `Node`.
|
|
*/
|
|
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;
|
|
},
|
|
|
|
registry: {},
|
|
|
|
/**
|
|
* Attaches or detaches arbitrary data to and from a DOM `Node`.
|
|
*
|
|
* This function is useful to attach non-string values or runtime
|
|
* data that is not serializable to DOM nodes. To decouple data
|
|
* from the DOM, values are not added directly to nodes, but
|
|
* inserted into a registry instead which is then referenced by a
|
|
* string key stored as `data-idref` attribute in the node.
|
|
*
|
|
* This function has multiple signatures and is sensitive to the
|
|
* number of arguments passed to it.
|
|
*
|
|
* - `dom.data(node)` -
|
|
* Fetches all data associated with the given node.
|
|
* - `dom.data(node, key)` -
|
|
* Fetches a specific key associated with the given node.
|
|
* - `dom.data(node, key, val)` -
|
|
* Sets a specific key to the given value associated with the
|
|
* given node.
|
|
* - `dom.data(node, null)` -
|
|
* Clears any data associated with the node.
|
|
* - `dom.data(node, key, null)` -
|
|
* Clears the given key associated with the node.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {Node} node
|
|
* The DOM `Node` instance to set or retrieve the data for.
|
|
*
|
|
* @param {string|null} [key]
|
|
* This is either a string specifying the key to retrieve, or
|
|
* `null` to unset the entire node data.
|
|
*
|
|
* @param {*|null} [val]
|
|
* This is either a non-`null` value to set for a given key or
|
|
* `null` to remove the given `key` from the specified node.
|
|
*
|
|
* @returns {*}
|
|
* Returns the get or set value, or `null` when no value could
|
|
* be found.
|
|
*/
|
|
data: function(node, key, val) {
|
|
if (!node || !node.getAttribute)
|
|
return null;
|
|
|
|
var id = node.getAttribute('data-idref');
|
|
|
|
/* clear all data */
|
|
if (arguments.length > 1 && key == null) {
|
|
if (id != null) {
|
|
node.removeAttribute('data-idref');
|
|
val = this.registry[id]
|
|
delete this.registry[id];
|
|
return val;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/* clear a key */
|
|
else if (arguments.length > 2 && key != null && val == null) {
|
|
if (id != null) {
|
|
val = this.registry[id][key];
|
|
delete this.registry[id][key];
|
|
return val;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/* set a key */
|
|
else if (arguments.length > 2 && key != null && val != null) {
|
|
if (id == null) {
|
|
do { id = Math.floor(Math.random() * 0xffffffff).toString(16) }
|
|
while (this.registry.hasOwnProperty(id));
|
|
|
|
node.setAttribute('data-idref', id);
|
|
this.registry[id] = {};
|
|
}
|
|
|
|
return (this.registry[id][key] = val);
|
|
}
|
|
|
|
/* get all data */
|
|
else if (arguments.length == 1) {
|
|
if (id != null)
|
|
return this.registry[id];
|
|
|
|
return null;
|
|
}
|
|
|
|
/* get a key */
|
|
else if (arguments.length == 2) {
|
|
if (id != null)
|
|
return this.registry[id][key];
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Binds the given class instance ot the specified DOM `Node`.
|
|
*
|
|
* This function uses the `dom.data()` facility to attach the
|
|
* passed instance of a Class to a node. This is needed for
|
|
* complex widget elements or similar where the corresponding
|
|
* class instance responsible for the element must be retrieved
|
|
* from DOM nodes obtained by `querySelector()` or similar means.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {Node} node
|
|
* The DOM `Node` instance to bind the class to.
|
|
*
|
|
* @param {Class} inst
|
|
* The Class instance to bind to the node.
|
|
*
|
|
* @throws {TypeError}
|
|
* Throws a `TypeError` when the given instance argument isn't
|
|
* a valid Class instance.
|
|
*
|
|
* @returns {Class}
|
|
* Returns the bound class instance.
|
|
*/
|
|
bindClassInstance: function(node, inst) {
|
|
if (!(inst instanceof Class))
|
|
LuCI.prototype.error('TypeError', 'Argument must be a class instance');
|
|
|
|
return this.data(node, '_class', inst);
|
|
},
|
|
|
|
/**
|
|
* Finds a bound class instance on the given node itself or the
|
|
* first bound instance on its closest parent node.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {Node} node
|
|
* The DOM `Node` instance to start from.
|
|
*
|
|
* @returns {Class|null}
|
|
* Returns the founds class instance if any or `null` if no bound
|
|
* class could be found on the node itself or any of its parents.
|
|
*/
|
|
findClassInstance: function(node) {
|
|
var inst = null;
|
|
|
|
do {
|
|
inst = this.data(node, '_class');
|
|
node = node.parentNode;
|
|
}
|
|
while (!(inst instanceof Class) && node != null);
|
|
|
|
return inst;
|
|
},
|
|
|
|
/**
|
|
* Finds a bound class instance on the given node itself or the
|
|
* first bound instance on its closest parent node and invokes
|
|
* the specified method name on the found class instance.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {Node} node
|
|
* The DOM `Node` instance to start from.
|
|
*
|
|
* @param {string} method
|
|
* The name of the method to invoke on the found class instance.
|
|
*
|
|
* @param {...*} params
|
|
* Additional arguments to pass to the invoked method as-is.
|
|
*
|
|
* @returns {*|null}
|
|
* Returns the return value of the invoked method if a class
|
|
* instance and method has been found. Returns `null` if either
|
|
* no bound class instance could be found, or if the found
|
|
* instance didn't have the requested `method`.
|
|
*/
|
|
callClassMethod: function(node, method /*, ... */) {
|
|
var inst = this.findClassInstance(node);
|
|
|
|
if (inst == null || typeof(inst[method]) != 'function')
|
|
return null;
|
|
|
|
return inst[method].apply(inst, inst.varargs(arguments, 2));
|
|
},
|
|
|
|
/**
|
|
* The ignore callback function is invoked by `isEmpty()` for each
|
|
* child node to decide whether to ignore a child node or not.
|
|
*
|
|
* When this function returns `false`, the node passed to it is
|
|
* ignored, else not.
|
|
*
|
|
* @callback LuCI.dom~ignoreCallbackFn
|
|
* @param {Node} node
|
|
* The child node to test.
|
|
*
|
|
* @returns {boolean}
|
|
* Boolean indicating whether to ignore the node or not.
|
|
*/
|
|
|
|
/**
|
|
* Tests whether a given DOM `Node` instance is empty or appears
|
|
* empty.
|
|
*
|
|
* Any element child nodes which have the CSS class `hidden` set
|
|
* or for which the optionally passed `ignoreFn` callback function
|
|
* returns `false` are ignored.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.dom
|
|
* @param {Node} node
|
|
* The DOM `Node` instance to test.
|
|
*
|
|
* @param {LuCI.dom~ignoreCallbackFn} [ignoreFn]
|
|
* Specifies an optional function which is invoked for each child
|
|
* node to decide whether the child node should be ignored or not.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the node does not have any children or if
|
|
* any children node either has a `hidden` CSS class or a `false`
|
|
* result when testing it using the given `ignoreFn`.
|
|
*/
|
|
isEmpty: function(node, ignoreFn) {
|
|
for (var child = node.firstElementChild; child != null; child = child.nextElementSibling)
|
|
if (!child.classList.contains('hidden') && (!ignoreFn || !ignoreFn(child)))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @class session
|
|
* @memberof LuCI
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `session` class provides various session related functionality.
|
|
*/
|
|
var Session = Class.singleton(/** @lends LuCI.session.prototype */ {
|
|
__name__: 'LuCI.session',
|
|
|
|
/**
|
|
* Retrieve the current session ID.
|
|
*
|
|
* @returns {string}
|
|
* Returns the current session ID.
|
|
*/
|
|
getID: function() {
|
|
return env.sessionid || '00000000000000000000000000000000';
|
|
},
|
|
|
|
/**
|
|
* Retrieve the current session token.
|
|
*
|
|
* @returns {string|null}
|
|
* Returns the current session token or `null` if not logged in.
|
|
*/
|
|
getToken: function() {
|
|
return env.token || null;
|
|
},
|
|
|
|
/**
|
|
* Retrieve data from the local session storage.
|
|
*
|
|
* @param {string} [key]
|
|
* The key to retrieve from the session data store. If omitted, all
|
|
* session data will be returned.
|
|
*
|
|
* @returns {*}
|
|
* Returns the stored session data or `null` if the given key wasn't
|
|
* found.
|
|
*/
|
|
getLocalData: function(key) {
|
|
try {
|
|
var sid = this.getID(),
|
|
item = 'luci-session-store',
|
|
data = JSON.parse(window.sessionStorage.getItem(item));
|
|
|
|
if (!LuCI.prototype.isObject(data) || !data.hasOwnProperty(sid)) {
|
|
data = {};
|
|
data[sid] = {};
|
|
}
|
|
|
|
if (key != null)
|
|
return data[sid].hasOwnProperty(key) ? data[sid][key] : null;
|
|
|
|
return data[sid];
|
|
}
|
|
catch (e) {
|
|
return (key != null) ? null : {};
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Set data in the local session storage.
|
|
*
|
|
* @param {string} key
|
|
* The key to set in the session data store.
|
|
*
|
|
* @param {*} value
|
|
* The value to store. It will be internally converted to JSON before
|
|
* being put in the session store.
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the data could be stored or `false` on error.
|
|
*/
|
|
setLocalData: function(key, value) {
|
|
if (key == null)
|
|
return false;
|
|
|
|
try {
|
|
var sid = this.getID(),
|
|
item = 'luci-session-store',
|
|
data = JSON.parse(window.sessionStorage.getItem(item));
|
|
|
|
if (!LuCI.prototype.isObject(data) || !data.hasOwnProperty(sid)) {
|
|
data = {};
|
|
data[sid] = {};
|
|
}
|
|
|
|
if (value != null)
|
|
data[sid][key] = value;
|
|
else
|
|
delete data[sid][key];
|
|
|
|
window.sessionStorage.setItem(item, JSON.stringify(data));
|
|
|
|
return true;
|
|
}
|
|
catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @class view
|
|
* @memberof LuCI
|
|
* @hideconstructor
|
|
* @classdesc
|
|
*
|
|
* The `view` class forms the basis of views and provides a standard
|
|
* set of methods to inherit from.
|
|
*/
|
|
var View = Class.extend(/** @lends LuCI.view.prototype */ {
|
|
__name__: 'LuCI.view',
|
|
|
|
__init__: function() {
|
|
var vp = document.getElementById('view');
|
|
|
|
DOM.content(vp, E('div', { 'class': 'spinning' }, _('Loading view…')));
|
|
|
|
return Promise.resolve(this.load())
|
|
.then(LuCI.prototype.bind(this.render, this))
|
|
.then(LuCI.prototype.bind(function(nodes) {
|
|
var vp = document.getElementById('view');
|
|
|
|
DOM.content(vp, nodes);
|
|
DOM.append(vp, this.addFooter());
|
|
}, this)).catch(LuCI.prototype.error);
|
|
},
|
|
|
|
/**
|
|
* The load function is invoked before the view is rendered.
|
|
*
|
|
* The invocation of this function is wrapped by
|
|
* `Promise.resolve()` so it may return Promises if needed.
|
|
*
|
|
* The return value of the function (or the resolved values
|
|
* of the promise returned by it) will be passed as first
|
|
* argument to `render()`.
|
|
*
|
|
* This function is supposed to be overwritten by subclasses,
|
|
* the default implementation does nothing.
|
|
*
|
|
* @instance
|
|
* @abstract
|
|
* @memberof LuCI.view
|
|
*
|
|
* @returns {*|Promise<*>}
|
|
* May return any value or a Promise resolving to any value.
|
|
*/
|
|
load: function() {},
|
|
|
|
/**
|
|
* The render function is invoked after the
|
|
* {@link LuCI.view#load load()} function and responsible
|
|
* for setting up the view contents. It must return a DOM
|
|
* `Node` or `DocumentFragment` holding the contents to
|
|
* insert into the view area.
|
|
*
|
|
* The invocation of this function is wrapped by
|
|
* `Promise.resolve()` so it may return Promises if needed.
|
|
*
|
|
* The return value of the function (or the resolved values
|
|
* of the promise returned by it) will be inserted into the
|
|
* main content area using
|
|
* {@link LuCI.dom#append dom.append()}.
|
|
*
|
|
* This function is supposed to be overwritten by subclasses,
|
|
* the default implementation does nothing.
|
|
*
|
|
* @instance
|
|
* @abstract
|
|
* @memberof LuCI.view
|
|
* @param {*|null} load_results
|
|
* This function will receive the return value of the
|
|
* {@link LuCI.view#load view.load()} function as first
|
|
* argument.
|
|
*
|
|
* @returns {Node|Promise<Node>}
|
|
* Should return a DOM `Node` value or a `Promise` resolving
|
|
* to a `Node` value.
|
|
*/
|
|
render: function() {},
|
|
|
|
/**
|
|
* The handleSave function is invoked when the user clicks
|
|
* the `Save` button in the page action footer.
|
|
*
|
|
* The default implementation should be sufficient for most
|
|
* views using {@link form#Map form.Map()} based forms - it
|
|
* will iterate all forms present in the view and invoke
|
|
* the {@link form#Map#save Map.save()} method on each form.
|
|
*
|
|
* Views not using `Map` instances or requiring other special
|
|
* logic should overwrite `handleSave()` with a custom
|
|
* implementation.
|
|
*
|
|
* To disable the `Save` page footer button, views extending
|
|
* this base class should overwrite the `handleSave` function
|
|
* with `null`.
|
|
*
|
|
* The invocation of this function is wrapped by
|
|
* `Promise.resolve()` so it may return Promises if needed.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.view
|
|
* @param {Event} ev
|
|
* The DOM event that triggered the function.
|
|
*
|
|
* @returns {*|Promise<*>}
|
|
* Any return values of this function are discarded, but
|
|
* passed through `Promise.resolve()` to ensure that any
|
|
* returned promise runs to completion before the button
|
|
* is reenabled.
|
|
*/
|
|
handleSave: function(ev) {
|
|
var tasks = [];
|
|
|
|
document.getElementById('maincontent')
|
|
.querySelectorAll('.cbi-map').forEach(function(map) {
|
|
tasks.push(DOM.callClassMethod(map, 'save'));
|
|
});
|
|
|
|
return Promise.all(tasks);
|
|
},
|
|
|
|
/**
|
|
* The handleSaveApply function is invoked when the user clicks
|
|
* the `Save & Apply` button in the page action footer.
|
|
*
|
|
* The default implementation should be sufficient for most
|
|
* views using {@link form#Map form.Map()} based forms - it
|
|
* will first invoke
|
|
* {@link LuCI.view.handleSave view.handleSave()} and then
|
|
* call {@link ui#changes#apply ui.changes.apply()} to start the
|
|
* modal config apply and page reload flow.
|
|
*
|
|
* Views not using `Map` instances or requiring other special
|
|
* logic should overwrite `handleSaveApply()` with a custom
|
|
* implementation.
|
|
*
|
|
* To disable the `Save & Apply` page footer button, views
|
|
* extending this base class should overwrite the
|
|
* `handleSaveApply` function with `null`.
|
|
*
|
|
* The invocation of this function is wrapped by
|
|
* `Promise.resolve()` so it may return Promises if needed.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.view
|
|
* @param {Event} ev
|
|
* The DOM event that triggered the function.
|
|
*
|
|
* @returns {*|Promise<*>}
|
|
* Any return values of this function are discarded, but
|
|
* passed through `Promise.resolve()` to ensure that any
|
|
* returned promise runs to completion before the button
|
|
* is reenabled.
|
|
*/
|
|
handleSaveApply: function(ev, mode) {
|
|
return this.handleSave(ev).then(function() {
|
|
classes.ui.changes.apply(mode == '0');
|
|
});
|
|
},
|
|
|
|
/**
|
|
* The handleReset function is invoked when the user clicks
|
|
* the `Reset` button in the page action footer.
|
|
*
|
|
* The default implementation should be sufficient for most
|
|
* views using {@link form#Map form.Map()} based forms - it
|
|
* will iterate all forms present in the view and invoke
|
|
* the {@link form#Map#save Map.reset()} method on each form.
|
|
*
|
|
* Views not using `Map` instances or requiring other special
|
|
* logic should overwrite `handleReset()` with a custom
|
|
* implementation.
|
|
*
|
|
* To disable the `Reset` page footer button, views extending
|
|
* this base class should overwrite the `handleReset` function
|
|
* with `null`.
|
|
*
|
|
* The invocation of this function is wrapped by
|
|
* `Promise.resolve()` so it may return Promises if needed.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.view
|
|
* @param {Event} ev
|
|
* The DOM event that triggered the function.
|
|
*
|
|
* @returns {*|Promise<*>}
|
|
* Any return values of this function are discarded, but
|
|
* passed through `Promise.resolve()` to ensure that any
|
|
* returned promise runs to completion before the button
|
|
* is reenabled.
|
|
*/
|
|
handleReset: function(ev) {
|
|
var tasks = [];
|
|
|
|
document.getElementById('maincontent')
|
|
.querySelectorAll('.cbi-map').forEach(function(map) {
|
|
tasks.push(DOM.callClassMethod(map, 'reset'));
|
|
});
|
|
|
|
return Promise.all(tasks);
|
|
},
|
|
|
|
/**
|
|
* Renders a standard page action footer if any of the
|
|
* `handleSave()`, `handleSaveApply()` or `handleReset()`
|
|
* functions are defined.
|
|
*
|
|
* The default implementation should be sufficient for most
|
|
* views - it will render a standard page footer with action
|
|
* buttons labeled `Save`, `Save & Apply` and `Reset`
|
|
* triggering the `handleSave()`, `handleSaveApply()` and
|
|
* `handleReset()` functions respectively.
|
|
*
|
|
* When any of these `handle*()` functions is overwritten
|
|
* with `null` by a view extending this class, the
|
|
* corresponding button will not be rendered.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI.view
|
|
* @returns {DocumentFragment}
|
|
* Returns a `DocumentFragment` containing the footer bar
|
|
* with buttons for each corresponding `handle*()` action
|
|
* or an empty `DocumentFragment` if all three `handle*()`
|
|
* methods are overwritten with `null`.
|
|
*/
|
|
addFooter: function() {
|
|
var footer = E([]),
|
|
vp = document.getElementById('view'),
|
|
hasmap = false,
|
|
readonly = true;
|
|
|
|
vp.querySelectorAll('.cbi-map').forEach(function(map) {
|
|
var m = DOM.findClassInstance(map);
|
|
if (m) {
|
|
hasmap = true;
|
|
|
|
if (!m.readonly)
|
|
readonly = false;
|
|
}
|
|
});
|
|
|
|
if (!hasmap)
|
|
readonly = !LuCI.prototype.hasViewPermission();
|
|
|
|
var saveApplyBtn = this.handleSaveApply ? new classes.ui.ComboButton('0', {
|
|
0: [ _('Save & Apply') ],
|
|
1: [ _('Apply unchecked') ]
|
|
}, {
|
|
classes: {
|
|
0: 'btn cbi-button cbi-button-apply important',
|
|
1: 'btn cbi-button cbi-button-negative important'
|
|
},
|
|
click: classes.ui.createHandlerFn(this, 'handleSaveApply'),
|
|
disabled: readonly || null
|
|
}).render() : E([]);
|
|
|
|
if (this.handleSaveApply || this.handleSave || this.handleReset) {
|
|
footer.appendChild(E('div', { 'class': 'cbi-page-actions' }, [
|
|
saveApplyBtn, ' ',
|
|
this.handleSave ? E('button', {
|
|
'class': 'cbi-button cbi-button-save',
|
|
'click': classes.ui.createHandlerFn(this, 'handleSave'),
|
|
'disabled': readonly || null
|
|
}, [ _('Save') ]) : '', ' ',
|
|
this.handleReset ? E('button', {
|
|
'class': 'cbi-button cbi-button-reset',
|
|
'click': classes.ui.createHandlerFn(this, 'handleReset'),
|
|
'disabled': readonly || null
|
|
}, [ _('Reset') ]) : ''
|
|
]));
|
|
}
|
|
|
|
return footer;
|
|
}
|
|
});
|
|
|
|
|
|
var dummyElem = null,
|
|
domParser = null,
|
|
originalCBIInit = null,
|
|
rpcBaseURL = null,
|
|
sysFeatures = null,
|
|
preloadClasses = null;
|
|
|
|
/* "preload" builtin classes to make the available via require */
|
|
var classes = {
|
|
baseclass: Class,
|
|
dom: DOM,
|
|
poll: Poll,
|
|
request: Request,
|
|
session: Session,
|
|
view: View
|
|
};
|
|
|
|
var naturalCompare = new Intl.Collator(undefined, { numeric: true }).compare;
|
|
|
|
var LuCI = Class.extend(/** @lends LuCI.prototype */ {
|
|
__name__: 'LuCI',
|
|
__init__: function(setenv) {
|
|
|
|
document.querySelectorAll('script[src*="/luci.js"]').forEach(function(s) {
|
|
if (setenv.base_url == null || setenv.base_url == '') {
|
|
var m = (s.getAttribute('src') || '').match(/^(.*)\/luci\.js(?:\?v=([^?]+))?$/);
|
|
if (m) {
|
|
setenv.base_url = m[1];
|
|
setenv.resource_version = m[2];
|
|
}
|
|
}
|
|
});
|
|
|
|
if (setenv.base_url == null)
|
|
this.error('InternalError', 'Cannot find url of luci.js');
|
|
|
|
setenv.cgi_base = setenv.scriptname.replace(/\/[^\/]+$/, '');
|
|
|
|
Object.assign(env, setenv);
|
|
|
|
var domReady = new Promise(function(resolveFn, rejectFn) {
|
|
document.addEventListener('DOMContentLoaded', resolveFn);
|
|
});
|
|
|
|
Promise.all([
|
|
domReady,
|
|
this.require('ui'),
|
|
this.require('rpc'),
|
|
this.require('form'),
|
|
this.probeRPCBaseURL()
|
|
]).then(this.setupDOM.bind(this)).catch(this.error);
|
|
|
|
originalCBIInit = window.cbi_init;
|
|
window.cbi_init = function() {};
|
|
},
|
|
|
|
/**
|
|
* Captures the current stack trace and throws an error of the
|
|
* specified type as a new exception. Also logs the exception as
|
|
* error to the debug console if it is available.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {Error|string} [type=Error]
|
|
* Either a string specifying the type of the error to throw or an
|
|
* existing `Error` instance to copy.
|
|
*
|
|
* @param {string} [fmt=Unspecified error]
|
|
* A format string which is used to form the error message, together
|
|
* with all subsequent optional arguments.
|
|
*
|
|
* @param {...*} [args]
|
|
* Zero or more variable arguments to the supplied format string.
|
|
*
|
|
* @throws {Error}
|
|
* Throws the created error object with the captured stack trace
|
|
* appended to the message and the type set to the given type
|
|
* argument or copied from the given error instance.
|
|
*/
|
|
raise: function(type, fmt /*, ...*/) {
|
|
var e = null,
|
|
msg = fmt ? String.prototype.format.apply(fmt, this.varargs(arguments, 2)) : null,
|
|
stack = null;
|
|
|
|
if (type instanceof Error) {
|
|
e = type;
|
|
|
|
if (msg)
|
|
e.message = msg + ': ' + e.message;
|
|
}
|
|
else {
|
|
try { throw new Error('stacktrace') }
|
|
catch (e2) { stack = (e2.stack || '').split(/\n/) }
|
|
|
|
e = new (window[type || 'Error'] || Error)(msg || 'Unspecified error');
|
|
e.name = type || 'Error';
|
|
}
|
|
|
|
stack = (stack || []).map(function(frame) {
|
|
frame = frame.replace(/(.*?)@(.+):(\d+):(\d+)/g, 'at $1 ($2:$3:$4)').trim();
|
|
return frame ? ' ' + frame : '';
|
|
});
|
|
|
|
if (!/^ at /.test(stack[0]))
|
|
stack.shift();
|
|
|
|
if (/\braise /.test(stack[0]))
|
|
stack.shift();
|
|
|
|
if (/\berror /.test(stack[0]))
|
|
stack.shift();
|
|
|
|
if (stack.length)
|
|
e.message += '\n' + stack.join('\n');
|
|
|
|
if (window.console && console.debug)
|
|
console.debug(e);
|
|
|
|
throw e;
|
|
},
|
|
|
|
/**
|
|
* A wrapper around {@link LuCI#raise raise()} which also renders
|
|
* the error either as modal overlay when `ui.js` is already loaed
|
|
* or directly into the view body.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {Error|string} [type=Error]
|
|
* Either a string specifying the type of the error to throw or an
|
|
* existing `Error` instance to copy.
|
|
*
|
|
* @param {string} [fmt=Unspecified error]
|
|
* A format string which is used to form the error message, together
|
|
* with all subsequent optional arguments.
|
|
*
|
|
* @param {...*} [args]
|
|
* Zero or more variable arguments to the supplied format string.
|
|
*
|
|
* @throws {Error}
|
|
* Throws the created error object with the captured stack trace
|
|
* appended to the message and the type set to the given type
|
|
* argument or copied from the given error instance.
|
|
*/
|
|
error: function(type, fmt /*, ...*/) {
|
|
try {
|
|
LuCI.prototype.raise.apply(LuCI.prototype,
|
|
Array.prototype.slice.call(arguments));
|
|
}
|
|
catch (e) {
|
|
if (!e.reported) {
|
|
if (classes.ui)
|
|
classes.ui.addNotification(e.name || _('Runtime error'),
|
|
E('pre', {}, e.message), 'danger');
|
|
else
|
|
DOM.content(document.querySelector('#maincontent'),
|
|
E('pre', { 'class': 'alert-message error' }, e.message));
|
|
|
|
e.reported = true;
|
|
}
|
|
|
|
throw e;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Return a bound function using the given `self` as `this` context
|
|
* and any further arguments as parameters to the bound function.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {function} fn
|
|
* The function to bind.
|
|
*
|
|
* @param {*} self
|
|
* The value to bind as `this` context to the specified function.
|
|
*
|
|
* @param {...*} [args]
|
|
* Zero or more variable arguments which are bound to the function
|
|
* as parameters.
|
|
*
|
|
* @returns {function}
|
|
* Returns the bound function.
|
|
*/
|
|
bind: function(fn, self /*, ... */) {
|
|
return Function.prototype.bind.apply(fn, this.varargs(arguments, 2, self));
|
|
},
|
|
|
|
/**
|
|
* Load an additional LuCI JavaScript class and its dependencies,
|
|
* instantiate it and return the resulting class instance. Each
|
|
* class is only loaded once. Subsequent attempts to load the same
|
|
* class will return the already instantiated class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string} name
|
|
* The name of the class to load in dotted notation. Dots will
|
|
* be replaced by spaces and joined with the runtime-determined
|
|
* base URL of LuCI.js to form an absolute URL to load the class
|
|
* file from.
|
|
*
|
|
* @throws {DependencyError}
|
|
* Throws a `DependencyError` when the class to load includes
|
|
* circular dependencies.
|
|
*
|
|
* @throws {NetworkError}
|
|
* Throws `NetworkError` when the underlying {@link LuCI.request}
|
|
* call failed.
|
|
*
|
|
* @throws {SyntaxError}
|
|
* Throws `SyntaxError` when the loaded class file code cannot
|
|
* be interpreted by `eval`.
|
|
*
|
|
* @throws {TypeError}
|
|
* Throws `TypeError` when the class file could be loaded and
|
|
* interpreted, but when invoking its code did not yield a valid
|
|
* class instance.
|
|
*
|
|
* @returns {Promise<LuCI.baseclass>}
|
|
* Returns the instantiated class.
|
|
*/
|
|
require: function(name, from) {
|
|
var L = this, url = null, from = from || [];
|
|
|
|
/* Class already loaded */
|
|
if (classes[name] != null) {
|
|
/* Circular dependency */
|
|
if (from.indexOf(name) != -1)
|
|
LuCI.prototype.raise('DependencyError',
|
|
'Circular dependency: class "%s" depends on "%s"',
|
|
name, from.join('" which depends on "'));
|
|
|
|
return Promise.resolve(classes[name]);
|
|
}
|
|
|
|
url = '%s/%s.js%s'.format(env.base_url, name.replace(/\./g, '/'), (env.resource_version ? '?v=' + env.resource_version : ''));
|
|
from = [ name ].concat(from);
|
|
|
|
var compileClass = function(res) {
|
|
if (!res.ok)
|
|
LuCI.prototype.raise('NetworkError',
|
|
'HTTP error %d while loading class file "%s"', res.status, url);
|
|
|
|
var source = res.text(),
|
|
requirematch = /^require[ \t]+(\S+)(?:[ \t]+as[ \t]+([a-zA-Z_]\S*))?$/,
|
|
strictmatch = /^use[ \t]+strict$/,
|
|
depends = [],
|
|
args = '';
|
|
|
|
/* find require statements in source */
|
|
for (var i = 0, off = -1, prev = -1, quote = -1, comment = -1, esc = false; i < source.length; i++) {
|
|
var chr = source.charCodeAt(i);
|
|
|
|
if (esc) {
|
|
esc = false;
|
|
}
|
|
else if (comment != -1) {
|
|
if ((comment == 47 && chr == 10) || (comment == 42 && prev == 42 && chr == 47))
|
|
comment = -1;
|
|
}
|
|
else if ((chr == 42 || chr == 47) && prev == 47) {
|
|
comment = chr;
|
|
}
|
|
else if (chr == 92) {
|
|
esc = true;
|
|
}
|
|
else if (chr == quote) {
|
|
var s = source.substring(off, i),
|
|
m = requirematch.exec(s);
|
|
|
|
if (m) {
|
|
var dep = m[1], as = m[2] || dep.replace(/[^a-zA-Z0-9_]/g, '_');
|
|
depends.push(LuCI.prototype.require(dep, from));
|
|
args += ', ' + as;
|
|
}
|
|
else if (!strictmatch.exec(s)) {
|
|
break;
|
|
}
|
|
|
|
off = -1;
|
|
quote = -1;
|
|
}
|
|
else if (quote == -1 && (chr == 34 || chr == 39)) {
|
|
off = i + 1;
|
|
quote = chr;
|
|
}
|
|
|
|
prev = chr;
|
|
}
|
|
|
|
/* load dependencies and instantiate class */
|
|
return Promise.all(depends).then(function(instances) {
|
|
var _factory, _class;
|
|
|
|
try {
|
|
_factory = eval(
|
|
'(function(window, document, L%s) { %s })\n\n//# sourceURL=%s\n'
|
|
.format(args, source, res.url));
|
|
}
|
|
catch (error) {
|
|
LuCI.prototype.raise('SyntaxError', '%s\n in %s:%s',
|
|
error.message, res.url, error.lineNumber || '?');
|
|
}
|
|
|
|
_factory.displayName = toCamelCase(name + 'ClassFactory');
|
|
_class = _factory.apply(_factory, [window, document, L].concat(instances));
|
|
|
|
if (!Class.isSubclass(_class))
|
|
LuCI.prototype.error('TypeError', '"%s" factory yields invalid constructor', name);
|
|
|
|
if (_class.displayName == 'AnonymousClass')
|
|
_class.displayName = toCamelCase(name + 'Class');
|
|
|
|
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)
|
|
ptr[parts[i]] = instance;
|
|
|
|
classes[name] = instance;
|
|
|
|
return instance;
|
|
});
|
|
};
|
|
|
|
/* Request class file */
|
|
classes[name] = Request.get(url, { cache: true }).then(compileClass);
|
|
|
|
return classes[name];
|
|
},
|
|
|
|
/* DOM setup */
|
|
probeRPCBaseURL: function() {
|
|
if (rpcBaseURL == null)
|
|
rpcBaseURL = Session.getLocalData('rpcBaseURL');
|
|
|
|
if (rpcBaseURL == null) {
|
|
var msg = {
|
|
jsonrpc: '2.0',
|
|
id: 'init',
|
|
method: 'list',
|
|
params: undefined
|
|
};
|
|
var rpcFallbackURL = this.url('admin/ubus');
|
|
|
|
rpcBaseURL = Request.post(env.ubuspath, msg, { nobatch: true }).then(function(res) {
|
|
return (rpcBaseURL = res.status == 200 ? env.ubuspath : rpcFallbackURL);
|
|
}, function() {
|
|
return (rpcBaseURL = rpcFallbackURL);
|
|
}).then(function(url) {
|
|
Session.setLocalData('rpcBaseURL', url);
|
|
return url;
|
|
});
|
|
}
|
|
|
|
return Promise.resolve(rpcBaseURL);
|
|
},
|
|
|
|
probeSystemFeatures: function() {
|
|
if (sysFeatures == null)
|
|
sysFeatures = Session.getLocalData('features');
|
|
|
|
if (!this.isObject(sysFeatures)) {
|
|
sysFeatures = classes.rpc.declare({
|
|
object: 'luci',
|
|
method: 'getFeatures',
|
|
expect: { '': {} }
|
|
})().then(function(features) {
|
|
Session.setLocalData('features', features);
|
|
sysFeatures = features;
|
|
|
|
return features;
|
|
});
|
|
}
|
|
|
|
return Promise.resolve(sysFeatures);
|
|
},
|
|
|
|
probePreloadClasses: function() {
|
|
if (preloadClasses == null)
|
|
preloadClasses = Session.getLocalData('preload');
|
|
|
|
if (!Array.isArray(preloadClasses)) {
|
|
preloadClasses = this.resolveDefault(classes.rpc.declare({
|
|
object: 'file',
|
|
method: 'list',
|
|
params: [ 'path' ],
|
|
expect: { 'entries': [] }
|
|
})(this.fspath(this.resource('preload'))), []).then(function(entries) {
|
|
var classes = [];
|
|
|
|
for (var i = 0; i < entries.length; i++) {
|
|
if (entries[i].type != 'file')
|
|
continue;
|
|
|
|
var m = entries[i].name.match(/(.+)\.js$/);
|
|
|
|
if (m)
|
|
classes.push('preload.%s'.format(m[1]));
|
|
}
|
|
|
|
Session.setLocalData('preload', classes);
|
|
preloadClasses = classes;
|
|
|
|
return classes;
|
|
});
|
|
}
|
|
|
|
return Promise.resolve(preloadClasses);
|
|
},
|
|
|
|
/**
|
|
* Test whether a particular system feature is available, such as
|
|
* hostapd SAE support or an installed firewall. The features are
|
|
* queried once at the beginning of the LuCI session and cached in
|
|
* `SessionStorage` throughout the lifetime of the associated tab or
|
|
* browser window.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string} feature
|
|
* The feature to test. For detailed list of known feature flags,
|
|
* see `/modules/luci-base/root/usr/libexec/rpcd/luci`.
|
|
*
|
|
* @param {string} [subfeature]
|
|
* Some feature classes like `hostapd` provide sub-feature flags,
|
|
* such as `sae` or `11w` support. The `subfeature` argument can
|
|
* be used to query these.
|
|
*
|
|
* @return {boolean|null}
|
|
* Return `true` if the queried feature (and sub-feature) is available
|
|
* or `false` if the requested feature isn't present or known.
|
|
* Return `null` when a sub-feature was queried for a feature which
|
|
* has no sub-features.
|
|
*/
|
|
hasSystemFeature: function() {
|
|
var ft = sysFeatures[arguments[0]];
|
|
|
|
if (arguments.length == 2)
|
|
return this.isObject(ft) ? ft[arguments[1]] : null;
|
|
|
|
return (ft != null && ft != false);
|
|
},
|
|
|
|
/* private */
|
|
notifySessionExpiry: function() {
|
|
Poll.stop();
|
|
|
|
classes.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…')))
|
|
]);
|
|
|
|
LuCI.prototype.raise('SessionError', 'Login session is expired');
|
|
},
|
|
|
|
/* private */
|
|
setupDOM: function(res) {
|
|
var domEv = res[0],
|
|
uiClass = res[1],
|
|
rpcClass = res[2],
|
|
formClass = res[3],
|
|
rpcBaseURL = res[4];
|
|
|
|
rpcClass.setBaseURL(rpcBaseURL);
|
|
|
|
rpcClass.addInterceptor(function(msg, req) {
|
|
if (!LuCI.prototype.isObject(msg) ||
|
|
!LuCI.prototype.isObject(msg.error) ||
|
|
msg.error.code != -32002)
|
|
return;
|
|
|
|
if (!LuCI.prototype.isObject(req) ||
|
|
(req.object == 'session' && req.method == 'access'))
|
|
return;
|
|
|
|
return rpcClass.declare({
|
|
'object': 'session',
|
|
'method': 'access',
|
|
'params': [ 'scope', 'object', 'function' ],
|
|
'expect': { access: true }
|
|
})('uci', 'luci', 'read').catch(LuCI.prototype.notifySessionExpiry);
|
|
});
|
|
|
|
Request.addInterceptor(function(res) {
|
|
var isDenied = false;
|
|
|
|
if (res.status == 403 && res.headers.get('X-LuCI-Login-Required') == 'yes')
|
|
isDenied = true;
|
|
|
|
if (!isDenied)
|
|
return;
|
|
|
|
LuCI.prototype.notifySessionExpiry();
|
|
});
|
|
|
|
document.addEventListener('poll-start', function(ev) {
|
|
uiClass.showIndicator('poll-status', _('Refreshing'), function(ev) {
|
|
Request.poll.active() ? Request.poll.stop() : Request.poll.start();
|
|
});
|
|
});
|
|
|
|
document.addEventListener('poll-stop', function(ev) {
|
|
uiClass.showIndicator('poll-status', _('Paused'), null, 'inactive');
|
|
});
|
|
|
|
return Promise.all([
|
|
this.probeSystemFeatures(),
|
|
this.probePreloadClasses()
|
|
]).finally(LuCI.prototype.bind(function() {
|
|
var tasks = [];
|
|
|
|
if (Array.isArray(preloadClasses))
|
|
for (var i = 0; i < preloadClasses.length; i++)
|
|
tasks.push(this.require(preloadClasses[i]));
|
|
|
|
return Promise.all(tasks);
|
|
}, this)).finally(this.initDOM);
|
|
},
|
|
|
|
/* private */
|
|
initDOM: function() {
|
|
originalCBIInit();
|
|
Poll.start();
|
|
document.dispatchEvent(new CustomEvent('luci-loaded'));
|
|
},
|
|
|
|
/**
|
|
* The `env` object holds environment settings used by LuCI, such
|
|
* as request timeouts, base URLs etc.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*/
|
|
env: env,
|
|
|
|
/**
|
|
* Construct an absolute filesystem path relative to the server
|
|
* document root.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {...string} [parts]
|
|
* An array of parts to join into a path.
|
|
*
|
|
* @return {string}
|
|
* Return the joined path.
|
|
*/
|
|
fspath: function(/* ... */) {
|
|
var path = env.documentroot;
|
|
|
|
for (var i = 0; i < arguments.length; i++)
|
|
path += '/' + arguments[i];
|
|
|
|
var p = path.replace(/\/+$/, '').replace(/\/+/g, '/').split(/\//),
|
|
res = [];
|
|
|
|
for (var i = 0; i < p.length; i++)
|
|
if (p[i] == '..')
|
|
res.pop();
|
|
else if (p[i] != '.')
|
|
res.push(p[i]);
|
|
|
|
return res.join('/');
|
|
},
|
|
|
|
/**
|
|
* Construct a relative URL path from the given prefix and parts.
|
|
* The resulting URL is guaranteed to only contain the characters
|
|
* `a-z`, `A-Z`, `0-9`, `_`, `.`, `%`, `,`, `;`, and `-` as well
|
|
* as `/` for the path separator.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string} [prefix]
|
|
* The prefix to join the given parts with. If the `prefix` is
|
|
* omitted, it defaults to an empty string.
|
|
*
|
|
* @param {string[]} [parts]
|
|
* An array of parts to join into an URL path. Parts may contain
|
|
* slashes and any of the other characters mentioned above.
|
|
*
|
|
* @return {string}
|
|
* Return the joined URL path.
|
|
*/
|
|
path: function(prefix, parts) {
|
|
var url = [ prefix || '' ];
|
|
|
|
for (var i = 0; i < parts.length; i++)
|
|
if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
|
|
url.push('/', parts[i]);
|
|
|
|
if (url.length === 1)
|
|
url.push('/');
|
|
|
|
return url.join('');
|
|
},
|
|
|
|
/**
|
|
* Construct an URL pathrelative to the script path of the server
|
|
* side LuCI application (usually `/cgi-bin/luci`).
|
|
*
|
|
* The resulting URL is guaranteed to only contain the characters
|
|
* `a-z`, `A-Z`, `0-9`, `_`, `.`, `%`, `,`, `;`, and `-` as well
|
|
* as `/` for the path separator.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string[]} [parts]
|
|
* An array of parts to join into an URL path. Parts may contain
|
|
* slashes and any of the other characters mentioned above.
|
|
*
|
|
* @return {string}
|
|
* Returns the resulting URL path.
|
|
*/
|
|
url: function() {
|
|
return this.path(env.scriptname, arguments);
|
|
},
|
|
|
|
/**
|
|
* Construct an URL path relative to the global static resource path
|
|
* of the LuCI ui (usually `/luci-static/resources`).
|
|
*
|
|
* The resulting URL is guaranteed to only contain the characters
|
|
* `a-z`, `A-Z`, `0-9`, `_`, `.`, `%`, `,`, `;`, and `-` as well
|
|
* as `/` for the path separator.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string[]} [parts]
|
|
* An array of parts to join into an URL path. Parts may contain
|
|
* slashes and any of the other characters mentioned above.
|
|
*
|
|
* @return {string}
|
|
* Returns the resulting URL path.
|
|
*/
|
|
resource: function() {
|
|
return this.path(env.resource, arguments);
|
|
},
|
|
|
|
/**
|
|
* Construct an URL path relative to the media resource path of the
|
|
* LuCI ui (usually `/luci-static/$theme_name`).
|
|
*
|
|
* The resulting URL is guaranteed to only contain the characters
|
|
* `a-z`, `A-Z`, `0-9`, `_`, `.`, `%`, `,`, `;`, and `-` as well
|
|
* as `/` for the path separator.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string[]} [parts]
|
|
* An array of parts to join into an URL path. Parts may contain
|
|
* slashes and any of the other characters mentioned above.
|
|
*
|
|
* @return {string}
|
|
* Returns the resulting URL path.
|
|
*/
|
|
media: function() {
|
|
return this.path(env.media, arguments);
|
|
},
|
|
|
|
/**
|
|
* Return the complete URL path to the current view.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @return {string}
|
|
* Returns the URL path to the current view.
|
|
*/
|
|
location: function() {
|
|
return this.path(env.scriptname, env.requestpath);
|
|
},
|
|
|
|
|
|
/**
|
|
* Tests whether the passed argument is a JavaScript object.
|
|
* This function is meant to be an object counterpart to the
|
|
* standard `Array.isArray()` function.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {*} [val]
|
|
* The value to test
|
|
*
|
|
* @return {boolean}
|
|
* Returns `true` if the given value is of type object and
|
|
* not `null`, else returns `false`.
|
|
*/
|
|
isObject: function(val) {
|
|
return (val != null && typeof(val) == 'object');
|
|
},
|
|
|
|
/**
|
|
* Return an array of sorted object keys, optionally sorted by
|
|
* a different key or a different sorting mode.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {object} obj
|
|
* The object to extract the keys from. If the given value is
|
|
* not an object, the function will return an empty array.
|
|
*
|
|
* @param {string} [key]
|
|
* Specifies the key to order by. This is mainly useful for
|
|
* nested objects of objects or objects of arrays when sorting
|
|
* shall not be performed by the primary object keys but by
|
|
* some other key pointing to a value within the nested values.
|
|
*
|
|
* @param {string} [sortmode]
|
|
* May be either `addr` or `num` to override the natural
|
|
* lexicographic sorting with a sorting suitable for IP/MAC style
|
|
* addresses or numeric values respectively.
|
|
*
|
|
* @return {string[]}
|
|
* Returns an array containing the sorted keys of the given object.
|
|
*/
|
|
sortedKeys: function(obj, key, sortmode) {
|
|
if (obj == null || typeof(obj) != 'object')
|
|
return [];
|
|
|
|
return Object.keys(obj).map(function(e) {
|
|
var v = (key != null) ? obj[e][key] : e;
|
|
|
|
switch (sortmode) {
|
|
case 'addr':
|
|
v = (v != null) ? v.replace(/(?:^|[.:])([0-9a-fA-F]{1,4})/g,
|
|
function(m0, m1) { return ('000' + m1.toLowerCase()).substr(-4) }) : null;
|
|
break;
|
|
|
|
case 'num':
|
|
v = (v != null) ? +v : null;
|
|
break;
|
|
}
|
|
|
|
return [ e, v ];
|
|
}).filter(function(e) {
|
|
return (e[1] != null);
|
|
}).sort(function(a, b) {
|
|
return naturalCompare(a[1], b[1]);
|
|
}).map(function(e) {
|
|
return e[0];
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Compares two values numerically and returns -1, 0 or 1 depending
|
|
* on whether the first value is smaller, equal to or larger than the
|
|
* second one respectively.
|
|
*
|
|
* This function is meant to be used as comparator function for
|
|
* Array.sort().
|
|
*
|
|
* @type {function}
|
|
*
|
|
* @param {*} a
|
|
* The first value
|
|
*
|
|
* @param {*} b
|
|
* The second value.
|
|
*
|
|
* @return {number}
|
|
* Returns -1 if the first value is smaller than the second one.
|
|
* Returns 0 if both values are equal.
|
|
* Returns 1 if the first value is larger than the second one.
|
|
*/
|
|
naturalCompare: naturalCompare,
|
|
|
|
/**
|
|
* Converts the given value to an array using toArray() if needed,
|
|
* performs a numerical sort using naturalCompare() and returns the
|
|
* result. If the input already is an array, no copy is being made
|
|
* and the sorting is performed in-place.
|
|
*
|
|
* @see toArray
|
|
* @see naturalCompare
|
|
*
|
|
* @param {*} val
|
|
* The input value to sort (and convert to an array if needed).
|
|
*
|
|
* @return {Array<*>}
|
|
* Returns the resulting, numerically sorted array.
|
|
*/
|
|
sortedArray: function(val) {
|
|
return this.toArray(val).sort(naturalCompare);
|
|
},
|
|
|
|
/**
|
|
* Converts the given value to an array. If the given value is of
|
|
* type array, it is returned as-is, values of type object are
|
|
* returned as one-element array containing the object, empty
|
|
* strings and `null` values are returned as empty array, all other
|
|
* values are converted using `String()`, trimmed, split on white
|
|
* space and returned as array.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {*} val
|
|
* The value to convert into an array.
|
|
*
|
|
* @return {Array<*>}
|
|
* Returns the resulting array.
|
|
*/
|
|
toArray: function(val) {
|
|
if (val == null)
|
|
return [];
|
|
else if (Array.isArray(val))
|
|
return val;
|
|
else if (typeof(val) == 'object')
|
|
return [ val ];
|
|
|
|
var s = String(val).trim();
|
|
|
|
if (s == '')
|
|
return [];
|
|
|
|
return s.split(/\s+/);
|
|
},
|
|
|
|
/**
|
|
* Returns a promise resolving with either the given value or or with
|
|
* the given default in case the input value is a rejecting promise.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {*} value
|
|
* The value to resolve the promise with.
|
|
*
|
|
* @param {*} defvalue
|
|
* The default value to resolve the promise with in case the given
|
|
* input value is a rejecting promise.
|
|
*
|
|
* @returns {Promise<*>}
|
|
* Returns a new promise resolving either to the given input value or
|
|
* to the given default value on error.
|
|
*/
|
|
resolveDefault: function(value, defvalue) {
|
|
return Promise.resolve(value).catch(function() { return defvalue });
|
|
},
|
|
|
|
/**
|
|
* The request callback function is invoked whenever an HTTP
|
|
* reply to a request made using the `L.get()`, `L.post()` or
|
|
* `L.poll()` function is timed out or received successfully.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @callback LuCI.requestCallbackFn
|
|
* @param {XMLHTTPRequest} xhr
|
|
* The XMLHTTPRequest instance used to make the request.
|
|
*
|
|
* @param {*} data
|
|
* The response JSON if the response could be parsed as such,
|
|
* else `null`.
|
|
*
|
|
* @param {number} duration
|
|
* The total duration of the request in milliseconds.
|
|
*/
|
|
|
|
/**
|
|
* Issues a GET request to the given url and invokes the specified
|
|
* callback function. The function is a wrapper around
|
|
* {@link LuCI.request#request Request.request()}.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string} url
|
|
* The URL to request.
|
|
*
|
|
* @param {Object<string, string>} [args]
|
|
* Additional query string arguments to append to the URL.
|
|
*
|
|
* @param {LuCI.requestCallbackFn} cb
|
|
* The callback function to invoke when the request finishes.
|
|
*
|
|
* @return {Promise<null>}
|
|
* Returns a promise resolving to `null` when concluded.
|
|
*/
|
|
get: function(url, args, cb) {
|
|
return this.poll(null, url, args, cb, false);
|
|
},
|
|
|
|
/**
|
|
* Issues a POST request to the given url and invokes the specified
|
|
* callback function. The function is a wrapper around
|
|
* {@link LuCI.request#request Request.request()}. The request is
|
|
* sent using `application/x-www-form-urlencoded` encoding and will
|
|
* contain a field `token` with the current value of `LuCI.env.token`
|
|
* by default.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {string} url
|
|
* The URL to request.
|
|
*
|
|
* @param {Object<string, string>} [args]
|
|
* Additional post arguments to append to the request body.
|
|
*
|
|
* @param {LuCI.requestCallbackFn} cb
|
|
* The callback function to invoke when the request finishes.
|
|
*
|
|
* @return {Promise<null>}
|
|
* Returns a promise resolving to `null` when concluded.
|
|
*/
|
|
post: function(url, args, cb) {
|
|
return this.poll(null, url, args, cb, true);
|
|
},
|
|
|
|
/**
|
|
* Register a polling HTTP request that invokes the specified
|
|
* callback function. The function is a wrapper around
|
|
* {@link LuCI.request.poll#add Request.poll.add()}.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {number} interval
|
|
* The poll interval to use. If set to a value less than or equal
|
|
* to `0`, it will default to the global poll interval configured
|
|
* in `LuCI.env.pollinterval`.
|
|
*
|
|
* @param {string} url
|
|
* The URL to request.
|
|
*
|
|
* @param {Object<string, string>} [args]
|
|
* Specifies additional arguments for the request. For GET requests,
|
|
* the arguments are appended to the URL as query string, for POST
|
|
* requests, they'll be added to the request body.
|
|
*
|
|
* @param {LuCI.requestCallbackFn} cb
|
|
* The callback function to invoke whenever a request finishes.
|
|
*
|
|
* @param {boolean} [post=false]
|
|
* When set to `false` or not specified, poll requests will be made
|
|
* using the GET method. When set to `true`, POST requests will be
|
|
* issued. In case of POST requests, the request body will contain
|
|
* an argument `token` with the current value of `LuCI.env.token` by
|
|
* default, regardless of the parameters specified with `args`.
|
|
*
|
|
* @return {function}
|
|
* Returns the internally created function that has been passed to
|
|
* {@link LuCI.request.poll#add Request.poll.add()}. This value can
|
|
* be passed to {@link LuCI.poll.remove Poll.remove()} to remove the
|
|
* polling request.
|
|
*/
|
|
poll: function(interval, url, args, cb, post) {
|
|
if (interval !== null && interval <= 0)
|
|
interval = env.pollinterval;
|
|
|
|
var data = post ? { token: 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);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Check whether a view has sufficient permissions.
|
|
*
|
|
* @return {boolean|null}
|
|
* Returns `null` if the current session has no permission at all to
|
|
* load resources required by the view. Returns `false` if readonly
|
|
* permissions are granted or `true` if at least one required ACL
|
|
* group is granted with write permissions.
|
|
*/
|
|
hasViewPermission: function() {
|
|
if (!this.isObject(env.nodespec) || !env.nodespec.satisfied)
|
|
return null;
|
|
|
|
return !env.nodespec.readonly;
|
|
},
|
|
|
|
/**
|
|
* Deprecated wrapper around {@link LuCI.poll.remove Poll.remove()}.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @param {function} entry
|
|
* The polling function to remove.
|
|
*
|
|
* @return {boolean}
|
|
* Returns `true` when the function has been removed or `false` if
|
|
* it could not be found.
|
|
*/
|
|
stop: function(entry) { return Poll.remove(entry) },
|
|
|
|
/**
|
|
* Deprecated wrapper around {@link LuCI.poll.stop Poll.stop()}.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @return {boolean}
|
|
* Returns `true` when the polling loop has been stopped or `false`
|
|
* when it didn't run to begin with.
|
|
*/
|
|
halt: function() { return Poll.stop() },
|
|
|
|
/**
|
|
* Deprecated wrapper around {@link LuCI.poll.start Poll.start()}.
|
|
*
|
|
* @deprecated
|
|
* @instance
|
|
* @memberof LuCI
|
|
*
|
|
* @return {boolean}
|
|
* Returns `true` when the polling loop has been started or `false`
|
|
* when it was already running.
|
|
*/
|
|
run: function() { return Poll.start() },
|
|
|
|
/**
|
|
* Legacy `L.dom` class alias. New view code should use `'require dom';`
|
|
* to request the `LuCI.dom` class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
*/
|
|
dom: DOM,
|
|
|
|
/**
|
|
* Legacy `L.view` class alias. New view code should use `'require view';`
|
|
* to request the `LuCI.view` class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
*/
|
|
view: View,
|
|
|
|
/**
|
|
* Legacy `L.Poll` class alias. New view code should use `'require poll';`
|
|
* to request the `LuCI.poll` class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
*/
|
|
Poll: Poll,
|
|
|
|
/**
|
|
* Legacy `L.Request` class alias. New view code should use `'require request';`
|
|
* to request the `LuCI.request` class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
*/
|
|
Request: Request,
|
|
|
|
/**
|
|
* Legacy `L.Class` class alias. New view code should use `'require baseclass';`
|
|
* to request the `LuCI.baseclass` class.
|
|
*
|
|
* @instance
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
*/
|
|
Class: Class
|
|
});
|
|
|
|
/**
|
|
* @class xhr
|
|
* @memberof LuCI
|
|
* @deprecated
|
|
* @classdesc
|
|
*
|
|
* The `LuCI.xhr` class is a legacy compatibility shim for the
|
|
* functionality formerly provided by `xhr.js`. It is registered as global
|
|
* `window.XHR` symbol for compatibility with legacy code.
|
|
*
|
|
* New code should use {@link LuCI.request} instead to implement HTTP
|
|
* request handling.
|
|
*/
|
|
var XHR = Class.extend(/** @lends LuCI.xhr.prototype */ {
|
|
__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;
|
|
},
|
|
|
|
/**
|
|
* This function is a legacy wrapper around
|
|
* {@link LuCI#get LuCI.get()}.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*
|
|
* @param {string} url
|
|
* The URL to request
|
|
*
|
|
* @param {Object} [data]
|
|
* Additional query string data
|
|
*
|
|
* @param {LuCI.requestCallbackFn} [callback]
|
|
* Callback function to invoke on completion
|
|
*
|
|
* @param {number} [timeout]
|
|
* Request timeout to use
|
|
*
|
|
* @return {Promise<null>}
|
|
*/
|
|
get: function(url, data, callback, timeout) {
|
|
this.active = true;
|
|
LuCI.prototype.get(url, data, this._response.bind(this, callback), timeout);
|
|
},
|
|
|
|
/**
|
|
* This function is a legacy wrapper around
|
|
* {@link LuCI#post LuCI.post()}.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*
|
|
* @param {string} url
|
|
* The URL to request
|
|
*
|
|
* @param {Object} [data]
|
|
* Additional data to append to the request body.
|
|
*
|
|
* @param {LuCI.requestCallbackFn} [callback]
|
|
* Callback function to invoke on completion
|
|
*
|
|
* @param {number} [timeout]
|
|
* Request timeout to use
|
|
*
|
|
* @return {Promise<null>}
|
|
*/
|
|
post: function(url, data, callback, timeout) {
|
|
this.active = true;
|
|
LuCI.prototype.post(url, data, this._response.bind(this, callback), timeout);
|
|
},
|
|
|
|
/**
|
|
* Cancels a running request.
|
|
*
|
|
* This function does not actually cancel the underlying
|
|
* `XMLHTTPRequest` request but it sets a flag which prevents the
|
|
* invocation of the callback function when the request eventually
|
|
* finishes or timed out.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*/
|
|
cancel: function() { delete this.active },
|
|
|
|
/**
|
|
* Checks the running state of the request.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*
|
|
* @returns {boolean}
|
|
* Returns `true` if the request is still running or `false` if it
|
|
* already completed.
|
|
*/
|
|
busy: function() { return (this.active === true) },
|
|
|
|
/**
|
|
* Ignored for backwards compatibility.
|
|
*
|
|
* This function does nothing.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*/
|
|
abort: function() {},
|
|
|
|
/**
|
|
* Existing for backwards compatibility.
|
|
*
|
|
* This function simply throws an `InternalError` when invoked.
|
|
*
|
|
* @instance
|
|
* @deprecated
|
|
* @memberof LuCI.xhr
|
|
*
|
|
* @throws {InternalError}
|
|
* Throws an `InternalError` with the message `Not implemented`
|
|
* when invoked.
|
|
*/
|
|
send_form: function() { LuCI.prototype.error('InternalError', 'Not implemented') },
|
|
});
|
|
|
|
XHR.get = function() { return LuCI.prototype.get.apply(LuCI.prototype, arguments) };
|
|
XHR.post = function() { return LuCI.prototype.post.apply(LuCI.prototype, arguments) };
|
|
XHR.poll = function() { return LuCI.prototype.poll.apply(LuCI.prototype, 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);
|