gecko/toolkit/forgetaboutsite/ForgetAboutSite.jsm

230 lines
8.3 KiB
JavaScript

/* 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/. */
Components.utils.import("resource://gre/modules/Services.jsm");
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/NetUtil.jsm");
Components.utils.import("resource://gre/modules/Task.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
"resource://gre/modules/PlacesUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Downloads",
"resource://gre/modules/Downloads.jsm");
this.EXPORTED_SYMBOLS = ["ForgetAboutSite"];
/**
* Returns true if the string passed in is part of the root domain of the
* current string. For example, if this is "www.mozilla.org", and we pass in
* "mozilla.org", this will return true. It would return false the other way
* around.
*/
function hasRootDomain(str, aDomain)
{
let index = str.indexOf(aDomain);
// If aDomain is not found, we know we do not have it as a root domain.
if (index == -1)
return false;
// If the strings are the same, we obviously have a match.
if (str == aDomain)
return true;
// Otherwise, we have aDomain as our root domain iff the index of aDomain is
// aDomain.length subtracted from our length and (since we do not have an
// exact match) the character before the index is a dot or slash.
let prevChar = str[index - 1];
return (index == (str.length - aDomain.length)) &&
(prevChar == "." || prevChar == "/");
}
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
this.ForgetAboutSite = {
removeDataFromDomain: function CRH_removeDataFromDomain(aDomain)
{
PlacesUtils.history.removePagesFromHost(aDomain, true);
// Cache
let (cs = Cc["@mozilla.org/netwerk/cache-storage-service;1"].
getService(Ci.nsICacheStorageService)) {
// NOTE: there is no way to clear just that domain, so we clear out
// everything)
try {
cs.clear();
} catch (ex) {
Cu.reportError("Exception thrown while clearing the cache: " +
ex.toString());
}
}
// Image Cache
let (imageCache = Cc["@mozilla.org/image/tools;1"].
getService(Ci.imgITools).getImgCacheForDocument(null)) {
try {
imageCache.clearCache(false); // true=chrome, false=content
} catch (ex) {
Cu.reportError("Exception thrown while clearing the image cache: " +
ex.toString());
}
}
// Cookies
let (cm = Cc["@mozilla.org/cookiemanager;1"].
getService(Ci.nsICookieManager2)) {
let enumerator = cm.getCookiesFromHost(aDomain);
while (enumerator.hasMoreElements()) {
let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie);
cm.remove(cookie.host, cookie.name, cookie.path, false);
}
}
// Plugin data
const phInterface = Ci.nsIPluginHost;
const FLAG_CLEAR_ALL = phInterface.FLAG_CLEAR_ALL;
let (ph = Cc["@mozilla.org/plugin/host;1"].getService(phInterface)) {
let tags = ph.getPluginTags();
for (let i = 0; i < tags.length; i++) {
try {
ph.clearSiteData(tags[i], aDomain, FLAG_CLEAR_ALL, -1);
} catch (e) {
// Ignore errors from the plugin
}
}
}
// Downloads
let useJSTransfer = false;
try {
// This method throws an exception if the old Download Manager is disabled.
Services.downloads.activeDownloadCount;
} catch (ex) {
useJSTransfer = true;
}
if (useJSTransfer) {
Task.spawn(function() {
let list = yield Downloads.getList(Downloads.ALL);
list.removeFinished(download => hasRootDomain(
NetUtil.newURI(download.source.url).host, aDomain));
}).then(null, Cu.reportError);
}
else {
let (dm = Cc["@mozilla.org/download-manager;1"].
getService(Ci.nsIDownloadManager)) {
// Active downloads
for (let enumerator of [dm.activeDownloads, dm.activePrivateDownloads]) {
while (enumerator.hasMoreElements()) {
let dl = enumerator.getNext().QueryInterface(Ci.nsIDownload);
if (hasRootDomain(dl.source.host, aDomain)) {
dl.cancel();
dl.remove();
}
}
}
function deleteAllLike(db) {
// NOTE: This is lossy, but we feel that it is OK to be lossy here and not
// invoke the cost of creating a URI for each download entry and
// ensure that the hostname matches.
let stmt = db.createStatement(
"DELETE FROM moz_downloads " +
"WHERE source LIKE ?1 ESCAPE '/' " +
"AND state NOT IN (?2, ?3, ?4)"
);
let pattern = stmt.escapeStringForLIKE(aDomain, "/");
stmt.bindByIndex(0, "%" + pattern + "%");
stmt.bindByIndex(1, Ci.nsIDownloadManager.DOWNLOAD_DOWNLOADING);
stmt.bindByIndex(2, Ci.nsIDownloadManager.DOWNLOAD_PAUSED);
stmt.bindByIndex(3, Ci.nsIDownloadManager.DOWNLOAD_QUEUED);
try {
stmt.execute();
}
finally {
stmt.finalize();
}
}
// Completed downloads
deleteAllLike(dm.DBConnection);
deleteAllLike(dm.privateDBConnection);
// We want to rebuild the list if the UI is showing, so dispatch the
// observer topic
let os = Cc["@mozilla.org/observer-service;1"].
getService(Ci.nsIObserverService);
os.notifyObservers(null, "download-manager-remove-download", null);
}
}
// Passwords
let (lm = Cc["@mozilla.org/login-manager;1"].
getService(Ci.nsILoginManager)) {
// Clear all passwords for domain
try {
let logins = lm.getAllLogins();
for (let i = 0; i < logins.length; i++)
if (hasRootDomain(logins[i].hostname, aDomain))
lm.removeLogin(logins[i]);
}
// XXXehsan: is there a better way to do this rather than this
// hacky comparison?
catch (ex if ex.message.indexOf("User canceled Master Password entry") != -1) { }
// Clear any "do not save for this site" for this domain
let disabledHosts = lm.getAllDisabledHosts();
for (let i = 0; i < disabledHosts.length; i++)
if (hasRootDomain(disabledHosts[i], aDomain))
lm.setLoginSavingEnabled(disabledHosts, true);
}
// Permissions
let (pm = Cc["@mozilla.org/permissionmanager;1"].
getService(Ci.nsIPermissionManager)) {
// Enumerate all of the permissions, and if one matches, remove it
let enumerator = pm.enumerator;
while (enumerator.hasMoreElements()) {
let perm = enumerator.getNext().QueryInterface(Ci.nsIPermission);
if (hasRootDomain(perm.host, aDomain))
pm.remove(perm.host, perm.type);
}
}
// Offline Storages
let (qm = Cc["@mozilla.org/dom/quota/manager;1"].
getService(Ci.nsIQuotaManager)) {
// delete data from both HTTP and HTTPS sites
let caUtils = {};
let scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
getService(Ci.mozIJSSubScriptLoader);
scriptLoader.loadSubScript("chrome://global/content/contentAreaUtils.js",
caUtils);
let httpURI = caUtils.makeURI("http://" + aDomain);
let httpsURI = caUtils.makeURI("https://" + aDomain);
qm.clearStoragesForURI(httpURI);
qm.clearStoragesForURI(httpsURI);
}
function onContentPrefsRemovalFinished() {
// Everybody else (including extensions)
Services.obs.notifyObservers(null, "browser:purge-domain-data", aDomain);
}
// Content Preferences
let cps2 = Cc["@mozilla.org/content-pref/service;1"].
getService(Ci.nsIContentPrefService2);
cps2.removeBySubdomain(aDomain, null, {
handleCompletion: function() onContentPrefsRemovalFinished(),
handleError: function() {}
});
// Predictive network data - like cache, no way to clear this per
// domain, so just trash it all
let ns = Cc["@mozilla.org/network/seer;1"].
getService(Ci.nsINetworkSeer);
ns.reset();
}
};