gecko/mobile/android/components/SafeBrowsing.js

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2012-05-21 04:12:37 -07:00
/* 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 = "mozilla.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 = "mozilla.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);
}
}
const NSGetFactory = XPCOMUtils.generateNSGetFactory([SafeBrowsing]);