tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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mochitest-shim-1.js (2488B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 /* globals browser */
      8 
      9 if (!window.MochitestShimPromise) {
     10  const originalUrl =
     11    "http://example.com/browser/browser/extensions/webcompat/tests/browser/shims_test.js";
     12 
     13  const shimId = "MochitestShim";
     14 
     15  const sendMessageToAddon = (function () {
     16    const pendingMessages = new Map();
     17    const channel = new MessageChannel();
     18    channel.port1.onerror = console.error;
     19    channel.port1.onmessage = event => {
     20      const { messageId, response } = event.data;
     21      const resolve = pendingMessages.get(messageId);
     22      if (resolve) {
     23        pendingMessages.delete(messageId);
     24        resolve(response);
     25      }
     26    };
     27    function reconnect() {
     28      const detail = {
     29        pendingMessages: [...pendingMessages.values()],
     30        port: channel.port2,
     31        shimId,
     32      };
     33      window.dispatchEvent(new CustomEvent("ShimConnects", { detail }));
     34    }
     35    window.addEventListener("ShimHelperReady", reconnect);
     36    reconnect();
     37    return function (message) {
     38      const messageId =
     39        Math.random().toString(36).substring(2) + Date.now().toString(36);
     40      return new Promise(resolve => {
     41        const payload = {
     42          message,
     43          messageId,
     44          shimId,
     45        };
     46        pendingMessages.set(messageId, resolve);
     47        channel.port1.postMessage(payload);
     48      });
     49    };
     50  })();
     51 
     52  async function go(options) {
     53    try {
     54      const o = document.getElementById("shims");
     55      const cl = o.classList;
     56      cl.remove("red");
     57      cl.add("green");
     58      o.innerText = JSON.stringify(options || "");
     59    } catch (_) {}
     60 
     61    window.shimPromiseResolve("shimmed");
     62 
     63    if (window !== top) {
     64      window.optInPromiseResolve(false);
     65      return;
     66    }
     67 
     68    await sendMessageToAddon("optIn");
     69 
     70    window.doingOptIn = true;
     71    const s = document.createElement("script");
     72    s.src = originalUrl;
     73    s.onerror = () => window.optInPromiseResolve("error");
     74    document.head.appendChild(s);
     75  }
     76 
     77  window[`${shimId}Promise`] = new Promise(resolve => {
     78    sendMessageToAddon("getOptions").then(options => {
     79      if (document.readyState !== "loading") {
     80        resolve(go(options));
     81      } else {
     82        window.addEventListener("DOMContentLoaded", () => {
     83          resolve(go(options));
     84        });
     85      }
     86    });
     87  });
     88 }