hcapEnv/src/sandbox/mocks/window.js

'use strict';
/**
 * 总装：window 沙盒
 * 按 P0→P1→P2 顺序挂载所有 mock，并用 Proxy 屏蔽 bot 字段
 */

const { createNative, nativeClass } = require('./native');
const { isBotKey }                  = require('./bot_shield');
const performanceMock               = require('./performance');
const navigatorMock                 = require('./navigator');
const { RTCPeerConnection, OfflineAudioContext } = require('./webapi');
const { HTMLCanvasElement, CanvasRenderingContext2D } = require('./canvas');
const { cryptoMock, Storage, IDBFactory, Notification, atob, btoa } = require('./crypto');
const screenMock                    = require('./screen');
const HTMLDocument                  = require('./document');

// ── 基础 window 对象 ─────────────────────────────────────────
const _win = {

    // ── P0: 核心 API ──────────────────────────────────────
    performance:          performanceMock,
    navigator:            navigatorMock,
    screen:               screenMock,
    crypto:               cryptoMock,

    RTCPeerConnection,
    webkitRTCPeerConnection: RTCPeerConnection,
    OfflineAudioContext,

    // ── P1: Canvas ────────────────────────────────────────
    HTMLCanvasElement,
    CanvasRenderingContext2D,

    // ── P1: Storage / IDB ─────────────────────────────────
    localStorage:   new Storage(),
    sessionStorage: new Storage(),
    indexedDB:      new IDBFactory(),
    IDBFactory,

    // ── P1: Notification ──────────────────────────────────
    Notification,

    // ── P1: atob / btoa ───────────────────────────────────
    atob,
    btoa,

    // ── P1: Document ──────────────────────────────────────
    document: new HTMLDocument(),
    HTMLDocument,

    // ── P2: 移动端触摸 → 桌面不存在 ──────────────────────
    // ontouchstart: 不定义，Proxy 返回 undefined

    // ── 基础 JS 全局 ─────────────────────────────────────
    Promise,
    Object,
    Array,
    Function,
    Number,
    String,
    Boolean,
    Symbol,
    Date,
    RegExp,
    Error,
    Math,
    JSON,
    parseInt,
    parseFloat,
    isNaN,
    isFinite,
    decodeURI,
    decodeURIComponent,
    encodeURI,
    encodeURIComponent,
    escape,
    unescape,
    eval,
    undefined,
    Infinity,
    NaN,
    globalThis: null,   // 在 Proxy 建好后回填

    // ── 定时器（Node 原生） ───────────────────────────────
    setTimeout,
    clearTimeout,
    setInterval,
    clearInterval,
    queueMicrotask,

    // ── 其他常见 window 属性 ──────────────────────────────
    location: {
        href:     'https://newassets.hcaptcha.com/captcha/v1/xxx/static/hcaptcha.html',
        origin:   'https://newassets.hcaptcha.com',
        protocol: 'https:',
        host:     'newassets.hcaptcha.com',
        hostname: 'newassets.hcaptcha.com',
        port:     '',
        pathname: '/captcha/v1/xxx/static/hcaptcha.html',
        search:   '',
        hash:     '',
        ancestorOrigins: { 0: 'https://b.stripecdn.com', 1: 'https://js.stripe.com', length: 2 },
    },

    innerWidth:  530,
    innerHeight: 915,
    outerWidth:  530,
    outerHeight: 915,
    devicePixelRatio: 2,
    screenX: 0,
    screenY: 0,
    screenLeft: 0,
    screenTop:  0,
    scrollX: 0,
    scrollY: 0,
    pageXOffset: 0,
    pageYOffset: 0,

    closed:    false,
    name:      '',
    status:    '',
    opener:    null,
    parent:    null,   // 回填
    top:       null,   // 回填
    self:      null,   // 回填
    frames:    null,   // 回填
    length:    0,
    isSecureContext:      true,
    crossOriginIsolated:  false,
    originAgentCluster:   false,

    history: {
        length:     1,
        state:      null,
        scrollRestoration: 'auto',
        go:      createNative('go',      function () {}),
        back:    createNative('back',    function () {}),
        forward: createNative('forward', function () {}),
        pushState:    createNative('pushState',    function () {}),
        replaceState: createNative('replaceState', function () {}),
    },

    fetch: createNative('fetch', function (url, opts) {
        // 沙盒里一般不真正发请求，返回 resolved 空 response
        return Promise.resolve({
            ok: true, status: 200,
            json: ()   => Promise.resolve({}),
            text: ()   => Promise.resolve(''),
            arrayBuffer: () => Promise.resolve(new ArrayBuffer(0)),
        });
    }),

    Request:  createNative('Request',  function (url, opts) { this.url = url; this.method = opts?.method || 'GET'; }),
    Response: createNative('Response', function (body, opts) { this.status = opts?.status || 200; }),
    Headers:  createNative('Headers',  function () { this._h = {}; }),

    URL: createNative('URL', function (url, base) {
        const u = new (require('url').URL)(url, base);
        Object.assign(this, u);
    }),
    URLSearchParams,

    addEventListener:    createNative('addEventListener',    function () {}),
    removeEventListener: createNative('removeEventListener', function () {}),
    dispatchEvent:       createNative('dispatchEvent',       function () { return true; }),
    postMessage:         createNative('postMessage',         function () {}),

    alert:   createNative('alert',   function () {}),
    confirm: createNative('confirm', function () { return false; }),
    prompt:  createNative('prompt',  function () { return null; }),

    requestAnimationFrame:  createNative('requestAnimationFrame',  function (cb) { return setTimeout(cb, 16); }),
    cancelAnimationFrame:   createNative('cancelAnimationFrame',   function (id) { clearTimeout(id); }),
    requestIdleCallback:    createNative('requestIdleCallback',    function (cb) { return setTimeout(() => cb({ timeRemaining: () => 50, didTimeout: false }), 1); }),
    cancelIdleCallback:     createNative('cancelIdleCallback',     function (id) { clearTimeout(id); }),

    getComputedStyle: createNative('getComputedStyle', function () {
        return new Proxy({}, { get: (_, p) => p === 'getPropertyValue' ? (() => '') : '' });
    }),

    structuredClone: createNative('structuredClone', (v) => JSON.parse(JSON.stringify(v))),

    TextEncoder,
    TextDecoder,
    Uint8Array,
    Int8Array,
    Uint16Array,
    Int16Array,
    Uint32Array,
    Int32Array,
    Uint8ClampedArray,
    Float32Array,
    Float64Array,
    ArrayBuffer,
    DataView,
    Map,
    Set,
    WeakMap,
    WeakSet,
    Proxy,
    Reflect,
    BigInt,
    Symbol,
    WebAssembly,
};

// ── 建 Proxy：屏蔽 bot 字段 + 回填自引用 ────────────────────
const windowProxy = new Proxy(_win, {
    get(target, prop) {
        if (isBotKey(prop)) return undefined;   // 🚨 bot 字段全部返回 undefined
        const val = target[prop];
        if (val === null && ['self','window','frames','parent','top','globalThis'].includes(prop)) {
            return windowProxy;
        }
        return val;
    },
    has(target, prop) {
        if (isBotKey(prop)) return false;        // 拦截 'webdriver' in window
        return prop in target;
    },
    set(target, prop, val) {
        if (isBotKey(prop)) return true;         // 静默丢弃 bot 字段的写入
        target[prop] = val;
        return true;
    },
    ownKeys(target) {
        return Reflect.ownKeys(target).filter(k => !isBotKey(k));
    },
});

// 回填自引用
_win.self      = windowProxy;
_win.window    = windowProxy;
_win.globalThis = windowProxy;
_win.frames    = windowProxy;
_win.parent    = windowProxy;
_win.top       = windowProxy;

module.exports = windowProxy;