tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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content-about-page-utils.js (2141B)

      1 /* eslint-env mozilla/process-script */
      2 
      3 "use strict";
      4 
      5 var Cm = Components.manager;
      6 
      7 function AboutPage(aboutHost, chromeURL, uriFlags) {
      8  this.chromeURL = chromeURL;
      9  this.aboutHost = aboutHost;
     10  this.classID = Components.ID(Services.uuid.generateUUID().number);
     11  this.description = "BrowserTestUtils: " + aboutHost;
     12  this.uriFlags = uriFlags;
     13 }
     14 
     15 AboutPage.prototype = {
     16  QueryInterface: ChromeUtils.generateQI(["nsIAboutModule"]),
     17  getURIFlags() {
     18    // eslint-disable-line no-unused-vars
     19    return this.uriFlags;
     20  },
     21 
     22  newChannel(aURI, aLoadInfo) {
     23    let newURI = Services.io.newURI(this.chromeURL);
     24    let channel = Services.io.newChannelFromURIWithLoadInfo(newURI, aLoadInfo);
     25    channel.originalURI = aURI;
     26 
     27    if (this.uriFlags & Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT) {
     28      channel.owner = null;
     29    }
     30    return channel;
     31  },
     32 
     33  createInstance(iid) {
     34    return this.QueryInterface(iid);
     35  },
     36 
     37  register() {
     38    Cm.QueryInterface(Ci.nsIComponentRegistrar).registerFactory(
     39      this.classID,
     40      this.description,
     41      "@mozilla.org/network/protocol/about;1?what=" + this.aboutHost,
     42      this
     43    );
     44  },
     45 
     46  unregister() {
     47    Cm.QueryInterface(Ci.nsIComponentRegistrar).unregisterFactory(
     48      this.classID,
     49      this
     50    );
     51  },
     52 };
     53 
     54 const gRegisteredPages = new Map();
     55 
     56 addMessageListener("browser-test-utils:about-registration:register", msg => {
     57  let { aboutModule, pageURI, flags } = msg.data;
     58  if (gRegisteredPages.has(aboutModule)) {
     59    gRegisteredPages.get(aboutModule).unregister();
     60  }
     61  let moduleObj = new AboutPage(aboutModule, pageURI, flags);
     62  moduleObj.register();
     63  gRegisteredPages.set(aboutModule, moduleObj);
     64  sendAsyncMessage(
     65    "browser-test-utils:about-registration:registered",
     66    aboutModule
     67  );
     68 });
     69 
     70 addMessageListener("browser-test-utils:about-registration:unregister", msg => {
     71  let aboutModule = msg.data;
     72  let moduleObj = gRegisteredPages.get(aboutModule);
     73  if (moduleObj) {
     74    moduleObj.unregister();
     75    gRegisteredPages.delete(aboutModule);
     76  }
     77  sendAsyncMessage(
     78    "browser-test-utils:about-registration:unregistered",
     79    aboutModule
     80  );
     81 });