The Tor Browser: build/bloatcycle.html@ac0c01689b40 (annotated)

build/bloatcycle.html@ac0c01689b40 (annotated)

build/bloatcycle.html

Thu, 15 Jan 2015 15:59:08 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:59:08 +0100
branch: TOR_BUG_9701
changeset 10: ac0c01689b40
permissions: -rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 <script>
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /*
   From mozilla/toolkit/content
   These files did not have a license
 */
 function quitHook()
 {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", "http://" + location.host + "/server/shutdown", true);
   xhr.onreadystatechange = function (event)
     {
       if (xhr.readyState == 4)
         goQuitApplication();
     };
   xhr.send(null);
 }
 function canQuitApplication()
 {
   var os = Components.classes["@mozilla.org/observer-service;1"]
     .getService(Components.interfaces.nsIObserverService);
   if (!os)
   {
     return true;
   }
   try
   {
     var cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
       .createInstance(Components.interfaces.nsISupportsPRBool);
     os.notifyObservers(cancelQuit, "quit-application-requested", null);
     // Something aborted the quit process.
     if (cancelQuit.data)
     {
       return false;
     }
   }
   catch (ex)
   {
   }
   os.notifyObservers(null, "quit-application-granted", null);
   return true;
 }
 function goQuitApplication()
 {
   const privs = 'UniversalXPConnect';
   try
   {
     netscape.security.PrivilegeManager.enablePrivilege(privs);
   }
   catch(ex)
   {
     throw('goQuitApplication: privilege failure ' + ex);
   }
   if (!canQuitApplication())
   {
     return false;
   }
   const kAppStartup = '@mozilla.org/toolkit/app-startup;1';
   const kAppShell   = '@mozilla.org/appshell/appShellService;1';
   var   appService;
   var   forceQuit;
   if (kAppStartup in Components.classes)
   {
     appService = Components.classes[kAppStartup].
       getService(Components.interfaces.nsIAppStartup);
     forceQuit  = Components.interfaces.nsIAppStartup.eForceQuit;
   }
   else if (kAppShell in Components.classes)
   {
     appService = Components.classes[kAppShell].
       getService(Components.interfaces.nsIAppShellService);
     forceQuit = Components.interfaces.nsIAppShellService.eForceQuit;
   }
   else
   {
     throw 'goQuitApplication: no AppStartup/appShell';
   }
   var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
   var windowManagerInterface = windowManager.
     QueryInterface(Components.interfaces.nsIWindowMediator);
   var enumerator = windowManagerInterface.getEnumerator(null);
   while (enumerator.hasMoreElements())
   {
     var domWindow = enumerator.getNext();
     if (("tryToClose" in domWindow) && !domWindow.tryToClose())
     {
       return false;
     }
     domWindow.close();
   }
   try
   {
     appService.quit(forceQuit);
   }
   catch(ex)
   {
     throw('goQuitApplication: ' + ex);
   }
   return true;
 }
 // bloat test driver for TestGtkEmbed
 //
 // set |user_pref("dom.allow_scripts_to_close_windows", true);| to
 // allow this to close the window when the loop is done.
 //
 //     "ftp://ftp.mozilla.org",   // not supported for TestGtkEmbed
 //
 var list =
     [
      "sample.html",
      "forms.html",
      "grid.html",
      "forms.html",
      "elements.html"
     ];
 var interval = 5000; // 15000
 var idx = 0;
 var w;
 window.onload = function () {
     w = window.open("about:blank");
     window.setTimeout(loadURL, interval);
 };
 function loadURL () {
     w.location.href = list[idx++];
     if (idx < list.length) {
 	window.setTimeout(loadURL, interval);
     } else {
         if (navigator.platform.indexOf('Mac') != -1) {
             goQuitApplication();
         } else {
             window.setTimeout("w.close();", interval);
             window.setTimeout("window.close();", interval*2);
         }
     }
 }
 var i;
 for(i=0; i < list.length;i++) {
     document.write(list[i]);
     document.write("<br>");
 }
 </script>

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