The Tor Browser: browser/metro/components/SafeBrowsing.js@b8a032363ba2 (annotated)

browser/metro/components/SafeBrowsing.js@b8a032363ba2 (annotated)

browser/metro/components/SafeBrowsing.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* 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/. */
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
 const Cr = Components.results;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 const kPhishWardenEnabledPref = "browser.safebrowsing.enabled";
 const kMalwareWardenEnabledPref = "browser.safebrowsing.malware.enabled";
 // This XPCOM object doesn't have a public interface. It just works quietly in the background
 function SafeBrowsing() {
   this.listManager = null;
   // Once we register tables, their respective names will be listed here.
   this.phishing = {
     pref: kPhishWardenEnabledPref,
     blackTables: [],
     whiteTables: []
   };
   this.malware = {
     pref: kMalwareWardenEnabledPref,
     blackTables: [],
     whiteTables: []
   };
   // Get notifications when the phishing or malware warden enabled pref changes
   Services.prefs.addObserver(kPhishWardenEnabledPref, this, true);
   Services.prefs.addObserver(kMalwareWardenEnabledPref, this, true);
 }
 SafeBrowsing.prototype = {
   classID: Components.ID("{aadaed90-6c03-42d0-924a-fc61198ff283}"),
   QueryInterface: XPCOMUtils.generateQI([Ci.nsISessionStore,
                                          Ci.nsIDOMEventListener,
                                          Ci.nsIObserver,
                                          Ci.nsISupportsWeakReference]),
   observe: function sb_observe(aSubject, aTopic, aData) {
     switch (aTopic) {
       case "app-startup":
         Services.obs.addObserver(this, "final-ui-startup", true);
         Services.obs.addObserver(this, "xpcom-shutdown", true);
         break;
       case "final-ui-startup":
         Services.obs.removeObserver(this, "final-ui-startup");
         this._startup();
         break;
       case "xpcom-shutdown":
         Services.obs.removeObserver(this, "xpcom-shutdown");
         this._shutdown();
         break;
       case "nsPref:changed":
         if (aData == kPhishWardenEnabledPref)
           this.maybeToggleUpdateChecking(this.phishing);
         else if (aData == kMalwareWardenEnabledPref)
           this.maybeToggleUpdateChecking(this.malware);
         break;
     }
   },
   _startup: function sb_startup() {
     this.listManager = Cc["@mozilla.org/url-classifier/listmanager;1"].getService(Ci.nsIUrlListManager);
     // Add a test chunk to the database
     let testData = "itisatrap.org/firefox/its-an-attack.html";
     let testUpdate =
       "n:1000\ni:test-malware-simple\nad:1\n" +
       "a:1:32:" + testData.length + "\n" +
       testData;
     testData = "itisatrap.org/firefox/its-a-trap.html";
     testUpdate +=
       "n:1000\ni:test-phish-simple\nad:1\n" +
       "a:1:32:" + testData.length + "\n" +
       testData;
     let dbService = Cc["@mozilla.org/url-classifier/dbservice;1"].getService(Ci.nsIUrlClassifierDBService);
     let listener = {
       QueryInterface: function(aIID) {
         if (aIID.equals(Ci.nsISupports) || aIID.equals(Ci.nsIUrlClassifierUpdateObserver))
           return this;
         throw Cr.NS_ERROR_NO_INTERFACE;
       },
       updateUrlRequested: function(aURL) { },
       streamFinished: function(aStatus) { },
       updateError: function(aErrorCode) { },
       updateSuccess: function(aRequestedTimeout) { }
     };
     try {
       dbService.beginUpdate(listener, "test-malware-simple,test-phish-simple", "");
       dbService.beginStream("", "");
       dbService.updateStream(testUpdate);
       dbService.finishStream();
       dbService.finishUpdate();
     } catch(ex) {}
     this.registerBlackTable("goog-malware-shavar", this.malware);
     this.maybeToggleUpdateChecking(this.malware);
     this.registerBlackTable("goog-phish-shavar", this.phishing);
     this.maybeToggleUpdateChecking(this.phishing);
   },
   _shutdown: function sb_shutdown() {
     Services.prefs.removeObserver(kPhishWardenEnabledPref, this);
     Services.prefs.removeObserver(kMalwareWardenEnabledPref, this);
     this.listManager = null;
   },
   enableBlacklistTableUpdates: function sb_enableBlacklistTableUpdates(aWarden) {
     for (let i = 0; i < aWarden.blackTables.length; ++i) {
       this.listManager.enableUpdate(aWarden.blackTables[i]);
     }
   },
   disableBlacklistTableUpdates: function sb_disableBlacklistTableUpdates(aWarden) {
     for (let i = 0; i < aWarden.blackTables.length; ++i) {
       this.listManager.disableUpdate(aWarden.blackTables[i]);
     }
   },
   enableWhitelistTableUpdates: function sb_enableWhitelistTableUpdates(aWarden) {
     for (let i = 0; i < this.whiteTables.length; ++i) {
       this.listManager.enableUpdate(this.whiteTables[i]);
     }
   },
   disableWhitelistTableUpdates: function sb_disableWhitelistTableUpdates(aWarden) {
     for (let i = 0; i < aWarden.whiteTables.length; ++i) {
       this.listManager.disableUpdate(aWarden.whiteTables[i]);
     }
   },
   registerBlackTable: function sb_registerBlackTable(aTableName, aWarden) {
     let result = this.listManager.registerTable(aTableName, false);
     if (result)
       aWarden.blackTables.push(aTableName);
     return result;
   },
   registerWhiteTable: function sb_registerWhiteTable(aTableName, aWarden) {
     let result = this.listManager.registerTable(aTableName, false);
     if (result)
       aWarden.whiteTables.push(aTableName);
     return result;
   },
   maybeToggleUpdateChecking: function sb_maybeToggleUpdateChecking(aWarden) {
     let enabled = Services.prefs.getBoolPref(aWarden.pref);
     if (enabled)
       this.enableBlacklistTableUpdates(aWarden);
     else
       this.disableBlacklistTableUpdates(aWarden);
   }
 }
 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SafeBrowsing]);