gecko-dev/mobile/android/modules/Sanitizer.jsm
Nevin Chen 790b6fa100 Bug 1275662 - Close all tabs and clean up session files when "Open Tabs" is selected in "Clear private data on exit" or "Clear private data" pref. r=JanH,sebastian
MozReview-Commit-ID: GoUQVDIzYbI

--HG--
extra : rebase_source : 13bbf3477a29cf301df72b521a0e02875bb5ef14
2016-12-29 14:22:45 +08:00

325 lines
9.4 KiB
JavaScript

// -*- indent-tabs-mode: nil; js-indent-level: 4 -*-
/* 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/. */
/*globals LoadContextInfo, FormHistory, Accounts */
var Cc = Components.classes;
var Ci = Components.interfaces;
var Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/LoadContextInfo.jsm");
Cu.import("resource://gre/modules/FormHistory.jsm");
Cu.import("resource://gre/modules/Task.jsm");
Cu.import("resource://gre/modules/Downloads.jsm");
Cu.import("resource://gre/modules/osfile.jsm");
Cu.import("resource://gre/modules/Accounts.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "DownloadIntegration",
"resource://gre/modules/DownloadIntegration.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "EventDispatcher",
"resource://gre/modules/Messaging.jsm");
function dump(a) {
Services.console.logStringMessage(a);
}
this.EXPORTED_SYMBOLS = ["Sanitizer"];
function Sanitizer() {}
Sanitizer.prototype = {
clearItem: function (aItemName)
{
let item = this.items[aItemName];
let canClear = item.canClear;
if (typeof canClear == "function") {
canClear(function clearCallback(aCanClear) {
if (aCanClear)
item.clear();
});
} else if (canClear) {
item.clear();
}
},
items: {
cache: {
clear: function ()
{
return new Promise(function(resolve, reject) {
var cache = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
try {
cache.clear();
} catch(er) {}
let imageCache = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
.getImgCacheForDocument(null);
try {
imageCache.clearCache(false); // true=chrome, false=content
} catch(er) {}
resolve();
});
},
get canClear()
{
return true;
}
},
cookies: {
clear: function ()
{
return new Promise(function(resolve, reject) {
Services.cookies.removeAll();
resolve();
});
},
get canClear()
{
return true;
}
},
siteSettings: {
clear: Task.async(function* () {
// Clear site-specific permissions like "Allow this site to open popups"
Services.perms.removeAll();
// Clear site-specific settings like page-zoom level
Cc["@mozilla.org/content-pref/service;1"]
.getService(Ci.nsIContentPrefService2)
.removeAllDomains(null);
// Clear site security settings
var sss = Cc["@mozilla.org/ssservice;1"]
.getService(Ci.nsISiteSecurityService);
sss.clearAll();
// Clear push subscriptions
yield new Promise((resolve, reject) => {
let push = Cc["@mozilla.org/push/Service;1"]
.getService(Ci.nsIPushService);
push.clearForDomain("*", status => {
if (Components.isSuccessCode(status)) {
resolve();
} else {
reject(new Error("Error clearing push subscriptions: " +
status));
}
});
});
}),
get canClear()
{
return true;
}
},
offlineApps: {
clear: function ()
{
return new Promise(function(resolve, reject) {
var cacheService = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
var appCacheStorage = cacheService.appCacheStorage(LoadContextInfo.default, null);
try {
appCacheStorage.asyncEvictStorage(null);
} catch(er) {}
resolve();
});
},
get canClear()
{
return true;
}
},
history: {
clear: function ()
{
return EventDispatcher.instance.sendRequestForResult({ type: "Sanitize:ClearHistory" })
.catch(e => Cu.reportError("Java-side history clearing failed: " + e))
.then(function() {
try {
Services.obs.notifyObservers(null, "browser:purge-session-history", "");
}
catch (e) { }
try {
var predictor = Cc["@mozilla.org/network/predictor;1"].getService(Ci.nsINetworkPredictor);
predictor.reset();
} catch (e) { }
});
},
get canClear()
{
// bug 347231: Always allow clearing history due to dependencies on
// the browser:purge-session-history notification. (like error console)
return true;
}
},
openTabs: {
clear: function ()
{
return EventDispatcher.instance.sendRequestForResult({ type: "Sanitize:OpenTabs" })
.catch(e => Cu.reportError("Java-side tab clearing failed: " + e))
.then(function() {
try {
// clear "Recently Closed" tabs in Android App
Services.obs.notifyObservers(null, "browser:purge-session-tabs", "");
}
catch (e) { }
});
},
get canClear()
{
return true;
}
},
searchHistory: {
clear: function ()
{
return EventDispatcher.instance.sendRequestForResult({ type: "Sanitize:ClearHistory", clearSearchHistory: true })
.catch(e => Cu.reportError("Java-side search history clearing failed: " + e))
},
get canClear()
{
return true;
}
},
formdata: {
clear: function ()
{
return new Promise(function(resolve, reject) {
FormHistory.update({ op: "remove" });
resolve();
});
},
canClear: function (aCallback)
{
let count = 0;
let countDone = {
handleResult: function(aResult) { count = aResult; },
handleError: function(aError) { Cu.reportError(aError); },
handleCompletion: function(aReason) { aCallback(aReason == 0 && count > 0); }
};
FormHistory.count({}, countDone);
}
},
downloadFiles: {
clear: Task.async(function* () {
let list = yield Downloads.getList(Downloads.ALL);
let downloads = yield list.getAll();
var finalizePromises = [];
// Logic copied from DownloadList.removeFinished. Ideally, we would
// just use that method directly, but we want to be able to remove the
// downloaded files as well.
for (let download of downloads) {
// Remove downloads that have been canceled, even if the cancellation
// operation hasn't completed yet so we don't check "stopped" here.
// Failed downloads with partial data are also removed.
if (download.stopped && (!download.hasPartialData || download.error)) {
// Remove the download first, so that the views don't get the change
// notifications that may occur during finalization.
yield list.remove(download);
// Ensure that the download is stopped and no partial data is kept.
// This works even if the download state has changed meanwhile. We
// don't need to wait for the procedure to be complete before
// processing the other downloads in the list.
finalizePromises.push(download.finalize(true).then(() => null, Cu.reportError));
// Delete the downloaded files themselves.
OS.File.remove(download.target.path).then(() => null, ex => {
if (!(ex instanceof OS.File.Error && ex.becauseNoSuchFile)) {
Cu.reportError(ex);
}
});
}
}
yield Promise.all(finalizePromises);
yield DownloadIntegration.forceSave();
}),
get canClear()
{
return true;
}
},
passwords: {
clear: function ()
{
return new Promise(function(resolve, reject) {
Services.logins.removeAllLogins();
resolve();
});
},
get canClear()
{
let count = Services.logins.countLogins("", "", ""); // count all logins
return (count > 0);
}
},
sessions: {
clear: function ()
{
return new Promise(function(resolve, reject) {
// clear all auth tokens
var sdr = Cc["@mozilla.org/security/sdr;1"].getService(Ci.nsISecretDecoderRing);
sdr.logoutAndTeardown();
// clear FTP and plain HTTP auth sessions
Services.obs.notifyObservers(null, "net:clear-active-logins", null);
resolve();
});
},
get canClear()
{
return true;
}
},
syncedTabs: {
clear: function ()
{
return EventDispatcher.instance.sendRequestForResult({ type: "Sanitize:ClearSyncedTabs" })
.catch(e => Cu.reportError("Java-side synced tabs clearing failed: " + e));
},
canClear: function(aCallback)
{
Accounts.anySyncAccountsExist().then(aCallback)
.catch(function(err) {
Cu.reportError("Java-side synced tabs clearing failed: " + err)
aCallback(false);
});
}
}
}
};
this.Sanitizer = new Sanitizer();