367 lines
14 KiB
Java
367 lines
14 KiB
Java
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
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var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
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var _interfaces = require("../interfaces");
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var _utils = require("../utils");
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var _common = require("./common");
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/**
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* fastest(at most time) unique array method
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* @see https://jsperf.com/array-filter-unique/30
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*/
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function uniq(array) {
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return array.filter(function filter(element) {
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return element in this ? false : this[element] = true;
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}, Object.create(null));
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} // zone.js will overwrite Object.defineProperty
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var rawObjectDefineProperty = Object.defineProperty;
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var variableWhiteListInDev = process.env.NODE_ENV === 'development' || window.__QIANKUN_DEVELOPMENT__ ? [// for react hot reload
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// see https://github.com/facebook/create-react-app/blob/66bf7dfc43350249e2f09d138a20840dae8a0a4a/packages/react-error-overlay/src/index.js#L180
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'__REACT_ERROR_OVERLAY_GLOBAL_HOOK__'] : []; // who could escape the sandbox
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var variableWhiteList = [// FIXME System.js used a indirect call with eval, which would make it scope escape to global
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// To make System.js works well, we write it back to global window temporary
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// see https://github.com/systemjs/systemjs/blob/457f5b7e8af6bd120a279540477552a07d5de086/src/evaluate.js#L106
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'System', // see https://github.com/systemjs/systemjs/blob/457f5b7e8af6bd120a279540477552a07d5de086/src/instantiate.js#L357
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'__cjsWrapper'].concat(variableWhiteListInDev);
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/*
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variables who are impossible to be overwrite need to be escaped from proxy sandbox for performance reasons
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*/
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var unscopables = {
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undefined: true,
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Array: true,
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Object: true,
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String: true,
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Boolean: true,
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Math: true,
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Number: true,
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Symbol: true,
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parseFloat: true,
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Float32Array: true,
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isNaN: true,
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Infinity: true,
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Reflect: true,
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Float64Array: true,
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Function: true,
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Map: true,
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NaN: true,
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Promise: true,
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Proxy: true,
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Set: true,
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parseInt: true,
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requestAnimationFrame: true
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};
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var useNativeWindowForBindingsProps = new Map([['fetch', true], ['mockDomAPIInBlackList', process.env.NODE_ENV === 'test']]);
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function createFakeWindow(globalContext) {
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// map always has the fastest performance in has check scenario
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// see https://jsperf.com/array-indexof-vs-set-has/23
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var propertiesWithGetter = new Map();
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var fakeWindow = {};
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/*
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copy the non-configurable property of global to fakeWindow
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see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/getOwnPropertyDescriptor
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> A property cannot be reported as non-configurable, if it does not exists as an own property of the target object or if it exists as a configurable own property of the target object.
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*/
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Object.getOwnPropertyNames(globalContext).filter(function (p) {
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var descriptor = Object.getOwnPropertyDescriptor(globalContext, p);
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return !(descriptor === null || descriptor === void 0 ? void 0 : descriptor.configurable);
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}).forEach(function (p) {
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var descriptor = Object.getOwnPropertyDescriptor(globalContext, p);
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if (descriptor) {
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var hasGetter = Object.prototype.hasOwnProperty.call(descriptor, 'get');
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/*
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make top/self/window property configurable and writable, otherwise it will cause TypeError while get trap return.
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see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/get
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> The value reported for a property must be the same as the value of the corresponding target object property if the target object property is a non-writable, non-configurable data property.
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*/
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if (p === 'top' || p === 'parent' || p === 'self' || p === 'window' || process.env.NODE_ENV === 'test' && (p === 'mockTop' || p === 'mockSafariTop')) {
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descriptor.configurable = true;
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/*
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The descriptor of window.window/window.top/window.self in Safari/FF are accessor descriptors, we need to avoid adding a data descriptor while it was
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Example:
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Safari/FF: Object.getOwnPropertyDescriptor(window, 'top') -> {get: function, set: undefined, enumerable: true, configurable: false}
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Chrome: Object.getOwnPropertyDescriptor(window, 'top') -> {value: Window, writable: false, enumerable: true, configurable: false}
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*/
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if (!hasGetter) {
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descriptor.writable = true;
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}
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}
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if (hasGetter) propertiesWithGetter.set(p, true); // freeze the descriptor to avoid being modified by zone.js
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// see https://github.com/angular/zone.js/blob/a5fe09b0fac27ac5df1fa746042f96f05ccb6a00/lib/browser/define-property.ts#L71
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rawObjectDefineProperty(fakeWindow, p, Object.freeze(descriptor));
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}
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});
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return {
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fakeWindow: fakeWindow,
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propertiesWithGetter: propertiesWithGetter
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};
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}
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var activeSandboxCount = 0;
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/**
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* 基于 Proxy 实现的沙箱
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*/
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var ProxySandbox = /*#__PURE__*/function () {
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function ProxySandbox(name) {
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var _this = this;
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var globalContext = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : window;
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(0, _classCallCheck2.default)(this, ProxySandbox);
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/** window 值变更记录 */
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this.updatedValueSet = new Set();
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this.sandboxRunning = true;
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this.latestSetProp = null;
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this.name = name;
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this.globalContext = globalContext;
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this.type = _interfaces.SandBoxType.Proxy;
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var updatedValueSet = this.updatedValueSet;
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var _createFakeWindow = createFakeWindow(globalContext),
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fakeWindow = _createFakeWindow.fakeWindow,
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propertiesWithGetter = _createFakeWindow.propertiesWithGetter;
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var descriptorTargetMap = new Map();
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var hasOwnProperty = function hasOwnProperty(key) {
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return fakeWindow.hasOwnProperty(key) || globalContext.hasOwnProperty(key);
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};
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var proxy = new Proxy(fakeWindow, {
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set: function set(target, p, value) {
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if (_this.sandboxRunning) {
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_this.registerRunningApp(name, proxy); // We must kept its description while the property existed in globalContext before
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if (!target.hasOwnProperty(p) && globalContext.hasOwnProperty(p)) {
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var descriptor = Object.getOwnPropertyDescriptor(globalContext, p);
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var writable = descriptor.writable,
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configurable = descriptor.configurable,
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enumerable = descriptor.enumerable;
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if (writable) {
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Object.defineProperty(target, p, {
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configurable: configurable,
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enumerable: enumerable,
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writable: writable,
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value: value
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});
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}
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} else {
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// @ts-ignore
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target[p] = value;
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}
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if (variableWhiteList.indexOf(p) !== -1) {
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// @ts-ignore
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globalContext[p] = value;
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}
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updatedValueSet.add(p);
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_this.latestSetProp = p;
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return true;
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}
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if (process.env.NODE_ENV === 'development') {
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console.warn("[qiankun] Set window.".concat(p.toString(), " while sandbox destroyed or inactive in ").concat(name, "!"));
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} // 在 strict-mode 下，Proxy 的 handler.set 返回 false 会抛出 TypeError，在沙箱卸载的情况下应该忽略错误
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return true;
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},
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get: function get(target, p) {
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_this.registerRunningApp(name, proxy);
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if (p === Symbol.unscopables) return unscopables; // avoid who using window.window or window.self to escape the sandbox environment to touch the really window
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// see https://github.com/eligrey/FileSaver.js/blob/master/src/FileSaver.js#L13
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if (p === 'window' || p === 'self') {
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return proxy;
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} // hijack globalWindow accessing with globalThis keyword
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if (p === 'globalThis') {
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return proxy;
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}
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if (p === 'top' || p === 'parent' || process.env.NODE_ENV === 'test' && (p === 'mockTop' || p === 'mockSafariTop')) {
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// if your master app in an iframe context, allow these props escape the sandbox
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if (globalContext === globalContext.parent) {
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return proxy;
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}
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return globalContext[p];
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} // proxy.hasOwnProperty would invoke getter firstly, then its value represented as globalContext.hasOwnProperty
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if (p === 'hasOwnProperty') {
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return hasOwnProperty;
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}
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if (p === 'document') {
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return document;
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}
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if (p === 'eval') {
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return eval;
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}
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var value = propertiesWithGetter.has(p) ? globalContext[p] : p in target ? target[p] : globalContext[p];
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/* Some dom api must be bound to native window, otherwise it would cause exception like 'TypeError: Failed to execute 'fetch' on 'Window': Illegal invocation'
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See this code:
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const proxy = new Proxy(window, {});
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const proxyFetch = fetch.bind(proxy);
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proxyFetch('https://qiankun.com');
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*/
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var boundTarget = useNativeWindowForBindingsProps.get(p) ? _utils.nativeGlobal : globalContext;
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return (0, _common.getTargetValue)(boundTarget, value);
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},
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// trap in operator
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// see https://github.com/styled-components/styled-components/blob/master/packages/styled-components/src/constants.js#L12
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has: function has(target, p) {
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return p in unscopables || p in target || p in globalContext;
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},
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getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, p) {
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/*
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as the descriptor of top/self/window/mockTop in raw window are configurable but not in proxy target, we need to get it from target to avoid TypeError
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see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/getOwnPropertyDescriptor
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> A property cannot be reported as non-configurable, if it does not exists as an own property of the target object or if it exists as a configurable own property of the target object.
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*/
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if (target.hasOwnProperty(p)) {
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var descriptor = Object.getOwnPropertyDescriptor(target, p);
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descriptorTargetMap.set(p, 'target');
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return descriptor;
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}
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if (globalContext.hasOwnProperty(p)) {
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var _descriptor = Object.getOwnPropertyDescriptor(globalContext, p);
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descriptorTargetMap.set(p, 'globalContext'); // A property cannot be reported as non-configurable, if it does not exists as an own property of the target object
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if (_descriptor && !_descriptor.configurable) {
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_descriptor.configurable = true;
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}
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return _descriptor;
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}
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return undefined;
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},
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// trap to support iterator with sandbox
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ownKeys: function ownKeys(target) {
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return uniq(Reflect.ownKeys(globalContext).concat(Reflect.ownKeys(target)));
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},
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defineProperty: function defineProperty(target, p, attributes) {
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var from = descriptorTargetMap.get(p);
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/*
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Descriptor must be defined to native window while it comes from native window via Object.getOwnPropertyDescriptor(window, p),
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otherwise it would cause a TypeError with illegal invocation.
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*/
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switch (from) {
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case 'globalContext':
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return Reflect.defineProperty(globalContext, p, attributes);
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default:
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return Reflect.defineProperty(target, p, attributes);
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}
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},
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deleteProperty: function deleteProperty(target, p) {
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_this.registerRunningApp(name, proxy);
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if (target.hasOwnProperty(p)) {
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// @ts-ignore
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delete target[p];
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updatedValueSet.delete(p);
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return true;
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}
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return true;
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},
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// makes sure `window instanceof Window` returns truthy in micro app
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getPrototypeOf: function getPrototypeOf() {
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return Reflect.getPrototypeOf(globalContext);
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}
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});
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this.proxy = proxy;
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activeSandboxCount++;
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}
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(0, _createClass2.default)(ProxySandbox, [{
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key: "registerRunningApp",
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value: function registerRunningApp(name, proxy) {
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if (this.sandboxRunning) {
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var currentRunningApp = (0, _common.getCurrentRunningApp)();
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if (!currentRunningApp || currentRunningApp.name !== name) {
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(0, _common.setCurrentRunningApp)({
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name: name,
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window: proxy
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});
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} // FIXME if you have any other good ideas
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// remove the mark in next tick, thus we can identify whether it in micro app or not
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// this approach is just a workaround, it could not cover all complex cases, such as the micro app runs in the same task context with master in some case
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(0, _utils.nextTask)(function () {
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(0, _common.setCurrentRunningApp)(null);
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});
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}
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}
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}, {
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key: "active",
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value: function active() {
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if (!this.sandboxRunning) activeSandboxCount++;
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this.sandboxRunning = true;
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}
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}, {
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key: "inactive",
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value: function inactive() {
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var _this2 = this;
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if (process.env.NODE_ENV === 'development') {
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console.info("[qiankun:sandbox] ".concat(this.name, " modified global properties restore..."), (0, _toConsumableArray2.default)(this.updatedValueSet.keys()));
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}
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if (--activeSandboxCount === 0) {
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variableWhiteList.forEach(function (p) {
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if (_this2.proxy.hasOwnProperty(p)) {
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// @ts-ignore
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delete _this2.globalContext[p];
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}
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});
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}
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this.sandboxRunning = false;
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}
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}]);
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return ProxySandbox;
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}();
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exports.default = ProxySandbox; |