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nsLoginManagerPrompter.js
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Justin Dolske <dolske@mozilla.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const Cc = Components.classes;
const Ci = Components.interfaces;
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
/*
* LoginManagerPromptFactory
*
* Implements nsIPromptFactory
*
* Invoked by NS_NewAuthPrompter2()
* [embedding/components/windowwatcher/src/nsPrompt.cpp]
*/
function LoginManagerPromptFactory() {}
LoginManagerPromptFactory.prototype = {
classDescription : "LoginManagerPromptFactory",
contractID : "@mozilla.org/passwordmanager/authpromptfactory;1",
classID : Components.ID("{749e62f4-60ae-4569-a8a2-de78b649660e}"),
QueryInterface : XPCOMUtils.generateQI([Ci.nsIPromptFactory]),
getPrompt : function (aWindow, aIID) {
var prompt = new LoginManagerPrompter().QueryInterface(aIID);
prompt.init(aWindow);
return prompt;
}
}; // end of LoginManagerPromptFactory implementation
/* ==================== LoginManagerPrompter ==================== */
/*
* LoginManagerPrompter
*
* Implements nsIAuthPrompt2 and nsILoginManagerPrompter.
* nsIAuthPrompt2 usage is invoked by a channel for protocol-based
* authentication (eg HTTP Authenticate, FTP login). nsILoginManagerPrompter
* is invoked by Login Manager for saving/changing a login.
*/
function LoginManagerPrompter() {}
LoginManagerPrompter.prototype = {
classDescription : "LoginManagerPrompter",
contractID : "@mozilla.org/login-manager/prompter;1",
classID : Components.ID("{8aa66d77-1bbb-45a6-991e-b8f47751c291}"),
QueryInterface : XPCOMUtils.generateQI(
[Ci.nsIAuthPrompt2, Ci.nsILoginManagerPrompter]),
_window : null,
_debug : false, // mirrors signon.debug
__pwmgr : null, // Password Manager service
get _pwmgr() {
if (!this.__pwmgr)
this.__pwmgr = Cc["@mozilla.org/login-manager;1"].
getService(Ci.nsILoginManager);
return this.__pwmgr;
},
__logService : null, // Console logging service, used for debugging.
get _logService() {
if (!this.__logService)
this.__logService = Cc["@mozilla.org/consoleservice;1"].
getService(Ci.nsIConsoleService);
return this.__logService;
},
__promptService : null, // Prompt service for user interaction
get _promptService() {
if (!this.__promptService)
this.__promptService =
Cc["@mozilla.org/embedcomp/prompt-service;1"].
getService(Ci.nsIPromptService2);
return this.__promptService;
},
__strBundle : null, // String bundle for L10N
get _strBundle() {
if (!this.__strBundle) {
var bunService = Cc["@mozilla.org/intl/stringbundle;1"].
getService(Ci.nsIStringBundleService);
this.__strBundle = bunService.createBundle(
"chrome://passwordmgr/locale/passwordmgr.properties");
if (!this.__strBundle)
throw "String bundle for Login Manager not present!";
}
return this.__strBundle;
},
__brandBundle : null, // String bundle for L10N
get _brandBundle() {
if (!this.__brandBundle) {
var bunService = Cc["@mozilla.org/intl/stringbundle;1"].
getService(Ci.nsIStringBundleService);
this.__brandBundle = bunService.createBundle(
"chrome://branding/locale/brand.properties");
if (!this.__brandBundle)
throw "Branding string bundle not present!";
}
return this.__brandBundle;
},
/*
* log
*
* Internal function for logging debug messages to the Error Console window.
*/
log : function (message) {
if (!this._debug)
return;
dump("Pwmgr Prompter: " + message + "\n");
this._logService.logStringMessage("Pwmgr Prompter: " + message);
},
/* ---------- nsIAuthPrompt2 prompts ---------- */
/*
* promptAuth
*
* Implementation of nsIAuthPrompt2.
*
* nsIChannel aChannel
* int aLevel
* nsIAuthInformation aAuthInfo
*/
promptAuth : function (aChannel, aLevel, aAuthInfo) {
var selectedLogin = null;
var checkbox = { value : false };
var checkboxLabel = null;
var epicfail = false;
try {
this.log("===== promptAuth called =====");
// If the user submits a login but it fails, we need to remove the
// notification bar that was displayed. Conveniently, the user will
// be prompted for authentication again, which brings us here.
var notifyBox = this._getNotifyBox();
if (notifyBox)
this._removeSaveLoginNotification(notifyBox);
var [hostname, httpRealm] = this._getAuthTarget(aChannel, aAuthInfo);
// Looks for existing logins to prefill the prompt with.
var foundLogins = this._pwmgr.findLogins({},
hostname, null, httpRealm);
// XXX Can't select from multiple accounts yet. (bug 227632)
if (foundLogins.length > 0) {
selectedLogin = foundLogins[0];
this._SetAuthInfo(aAuthInfo, selectedLogin.username,
selectedLogin.password);
checkbox.value = true;
}
var canRememberLogin = this._pwmgr.getLoginSavingEnabled(hostname);
// if checkboxLabel is null, the checkbox won't be shown at all.
if (canRememberLogin && !notifyBox)
checkboxLabel = this._getLocalizedString("rememberPassword");
} catch (e) {
// Ignore any errors and display the prompt anyway.
epicfail = true;
Components.utils.reportError("LoginManagerPrompter: " +
"Epic fail in promptAuth: " + e + "\n");
}
var ok = this._promptService.promptAuth(this._window, aChannel,
aLevel, aAuthInfo, checkboxLabel, checkbox);
if (epicfail)
return ok;
try {
// If there's a notification box, use it to allow the user to
// determine if the login should be saved. If there isn't a
// notification box, only save the login if the user set the
// checkbox to do so.
var rememberLogin = notifyBox ? canRememberLogin : checkbox.value;
if (ok && rememberLogin) {
var newLogin = Cc["@mozilla.org/login-manager/loginInfo;1"].
createInstance(Ci.nsILoginInfo);
newLogin.init(hostname, null, httpRealm,
aAuthInfo.username, aAuthInfo.password,
"", "");
// If we didn't find an existing login, or if the username
// changed, save as a new login.
if (!selectedLogin ||
aAuthInfo.username != selectedLogin.username) {
// add as new
this.log("New login seen for " + aAuthInfo.username +
" @ " + hostname + " (" + httpRealm + ")");
if (notifyBox)
this._showSaveLoginNotification(notifyBox, newLogin);
else
this._pwmgr.addLogin(newLogin);
} else if (selectedLogin &&
aAuthInfo.password != selectedLogin.password) {
this.log("Updating password for " + aAuthInfo.username +
" @ " + hostname + " (" + httpRealm + ")");
// update password
this._pwmgr.modifyLogin(foundLogins[0], newLogin);
} else {
this.log("Login unchanged, no further action needed.");
return ok;
}
}
} catch (e) {
Components.utils.reportError("LoginManagerPrompter: " +
"Fail2 in promptAuth: " + e + "\n");
}
return ok;
},
asyncPromptAuth : function () {
return NS_ERROR_NOT_IMPLEMENTED;
},
/* ---------- nsILoginManagerPrompter prompts ---------- */
/*
* init
*
*/
init : function (aWindow) {
this._window = aWindow;
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService).getBranch("signon.");
this._debug = prefBranch.getBoolPref("debug");
this.log("===== initialized =====");
},
/*
* promptToSavePassword
*
*/
promptToSavePassword : function (aLogin) {
var notifyBox = this._getNotifyBox();
if (notifyBox)
this._showSaveLoginNotification(notifyBox, aLogin);
else
this._showSaveLoginDialog(aLogin);
},
/*
* _showSaveLoginNotification
*
* Displays a notification bar (rather than a popup), to allow the user to
* save the specified login. This allows the user to see the results of
* their login, and only save a login which they know worked.
*
*/
_showSaveLoginNotification : function (aNotifyBox, aLogin) {
// Ugh. We can't use the strings from the popup window, because they
// have the access key marked in the string (eg "Mo&zilla"), along
// with some weird rules for handling access keys that do not occur
// in the string, for L10N. See commonDialog.js's setLabelForNode().
var neverButtonText =
this._getLocalizedString("notifyBarNeverForSiteButtonText");
var neverButtonAccessKey =
this._getLocalizedString("notifyBarNeverForSiteButtonAccessKey");
var rememberButtonText =
this._getLocalizedString("notifyBarRememberButtonText");
var rememberButtonAccessKey =
this._getLocalizedString("notifyBarRememberButtonAccessKey");
var brandShortName =
this._brandBundle.GetStringFromName("brandShortName");
var notificationText = this._getLocalizedString(
"savePasswordText", [brandShortName]);
// The callbacks in |buttons| have a closure to access the variables
// in scope here; set one to |this._pwmgr| so we can get back to pwmgr
// without a getService() call.
var pwmgr = this._pwmgr;
var buttons = [
// "Remember" button
{
label: rememberButtonText,
accessKey: rememberButtonAccessKey,
popup: null,
callback: function(aNotificationBar, aButton) {
pwmgr.addLogin(aLogin);
}
},
// "Never for this site" button
{
label: neverButtonText,
accessKey: neverButtonAccessKey,
popup: null,
callback: function(aNotificationBar, aButton) {
pwmgr.setLoginSavingEnabled(aLogin.hostname, false);
}
}
// "Not now" button not needed, as notification bar isn't modal.
];
var oldBar = aNotifyBox.getNotificationWithValue("password-save");
const priority = aNotifyBox.PRIORITY_INFO_MEDIUM;
this.log("Adding new save-password notification bar");
var newBar = aNotifyBox.appendNotification(
notificationText, "password-save",
null, priority, buttons);
// The page we're going to hasn't loaded yet, so we want to persist
// across the first location change.
newBar.ignoreFirstLocationChange = true;
// Sites like Gmail perform a funky redirect dance before you end up
// at the post-authentication page. I don't see a good way to
// heuristically determine when to ignore such location changes, so
// we'll try ignoring location changes based on a time interval.
var now = Date.now() / 1000;
newBar.ignoreLocationChangeTimeout = now + 10; // 10 seconds
if (oldBar) {
this.log("(...and removing old save-password notification bar)");
aNotifyBox.removeNotification(oldBar);
}
},
/*
* _removeSaveLoginNotification
*
*/
_removeSaveLoginNotification : function (aNotifyBox) {
var oldBar = aNotifyBox.getNotificationWithValue("password-save");
if (oldBar) {
this.log("Removing save-password notification bar.");
aNotifyBox.removeNotification(oldBar);
}
},
/*
* _showSaveLoginDialog
*
* Called when we detect a new login in a form submission,
* asks the user what to do.
*
*/
_showSaveLoginDialog : function (aLogin) {
const buttonFlags = Ci.nsIPrompt.BUTTON_POS_1_DEFAULT +
(Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_0) +
(Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_1) +
(Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_2);
var brandShortName =
this._brandBundle.GetStringFromName("brandShortName");
var dialogText = this._getLocalizedString(
"savePasswordText", [brandShortName]);
var dialogTitle = this._getLocalizedString(
"savePasswordTitle");
var neverButtonText = this._getLocalizedString(
"neverForSiteButtonText");
var rememberButtonText = this._getLocalizedString(
"rememberButtonText");
var notNowButtonText = this._getLocalizedString(
"notNowButtonText");
this.log("Prompting user to save/ignore login");
var userChoice = this._promptService.confirmEx(this._window,
dialogTitle, dialogText,
buttonFlags, rememberButtonText,
notNowButtonText, neverButtonText,
null, {});
// Returns:
// 0 - Save the login
// 1 - Ignore the login this time
// 2 - Never save logins for this site
if (userChoice == 2) {
this.log("Disabling " + aLogin.hostname + " logins by request.");
this._pwmgr.setLoginSavingEnabled(aLogin.hostname, false);
} else if (userChoice == 0) {
this.log("Saving login for " + aLogin.hostname);
this._pwmgr.addLogin(aLogin);
} else {
// userChoice == 1 --> just ignore the login.
this.log("Ignoring login.");
}
},
/*
* promptToChangePassword
*
* Called when we think we detect a password change for an existing
* login, when the form being submitted contains multiple password
* fields.
*
*/
promptToChangePassword : function (aOldLogin, aNewLogin) {
const buttonFlags = Ci.nsIPrompt.STD_YES_NO_BUTTONS;
var dialogText;
if (aOldLogin.username)
dialogText = this._getLocalizedString(
"passwordChangeText",
[aOldLogin.username]);
else
dialogText = this._getLocalizedString(
"passwordChangeTextNoUser");
var dialogTitle = this._getLocalizedString(
"passwordChangeTitle");
// returns 0 for yes, 1 for no.
var ok = !this._promptService.confirmEx(this._window,
dialogTitle, dialogText, buttonFlags,
null, null, null,
null, {});
if (ok) {
this.log("Updating password for user " + aOldLogin.username);
this._pwmgr.modifyLogin(aOldLogin, aNewLogin);
}
},
/*
* promptToChangePasswordWithUsernames
*
* Called when we detect a password change in a form submission, but we
* don't know which existing login (username) it's for. Asks the user
* to select a username and confirm the password change.
*
* Note: The caller doesn't know the username for aNewLogin, so this
* function fills in .username and .usernameField with the values
* from the login selected by the user.
*
* Note; XPCOM stupidity: |count| is just |logins.length|.
*/
promptToChangePasswordWithUsernames : function (logins, count, aNewLogin) {
const buttonFlags = Ci.nsIPrompt.STD_YES_NO_BUTTONS;
var usernames = logins.map(function (l) l.username);
var dialogText = this._getLocalizedString("userSelectText");
var dialogTitle = this._getLocalizedString("passwordChangeTitle");
var selectedIndex = { value: null };
// If user selects ok, outparam.value is set to the index
// of the selected username.
var ok = this._promptService.select(this._window,
dialogTitle, dialogText,
usernames.length, usernames,
selectedIndex);
if (ok) {
// Now that we know which login to change the password for,
// update the missing username info in the aNewLogin.
var selectedLogin = logins[selectedIndex.value];
this.log("Updating password for user " + selectedLogin.username);
aNewLogin.username = selectedLogin.username;
aNewLogin.usernameField = selectedLogin.usernameField;
this._pwmgr.modifyLogin(selectedLogin, aNewLogin);
}
},
/* ---------- Internal Methods ---------- */
/*
* _getNotifyBox
*
* Returns the notification box to this prompter, or null if there isn't
* a notification box available.
*/
_getNotifyBox : function () {
try {
// Get topmost window, in case we're in a frame.
var notifyWindow = this._window.top
// Some sites pop up a temporary login window, when disappears
// upon submission of credentials. We want to put the notification
// bar in the opener window if this seems to be happening.
if (notifyWindow.opener) {
var chromeWin = notifyWindow
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShellTreeItem)
.rootTreeItem
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow);
var chromeDoc = chromeWin.document.documentElement;
// Check to see if the current window was opened with
// chrome disabled, and if so use the opener window.
if (chromeDoc.getAttribute("chromehidden")) {
this.log("Using opener window for notification bar.");
notifyWindow = notifyWindow.opener;
}
}
// Find the <browser> which contains notifyWindow, by looking
// through all the open windows and all the <browsers> in each.
var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
getService(Ci.nsIWindowMediator);
var enumerator = wm.getEnumerator("navigator:browser");
var tabbrowser = null;
var foundBrowser = null;
while (!foundBrowser && enumerator.hasMoreElements()) {
var win = enumerator.getNext();
tabbrowser = win.getBrowser();
foundBrowser = tabbrowser.getBrowserForDocument(
notifyWindow.document);
}
// Return the notificationBox associated with the browser.
if (foundBrowser)
return tabbrowser.getNotificationBox(foundBrowser)
} catch (e) {
// If any errors happen, just assume no notification box.
this.log("No notification box available: " + e)
}
return null;
},
/*
* _getLocalisedString
*
* Can be called as:
* _getLocalisedString("key1");
* _getLocalizedString("key2", ["arg1"]);
* _getLocalizedString("key3", ["arg1", "arg2"]);
* (etc)
*
* Returns the localized string for the specified key,
* formatted if required.
*
*/
_getLocalizedString : function (key, formatArgs) {
if (formatArgs)
return this._strBundle.formatStringFromName(
key, formatArgs, formatArgs.length);
else
return this._strBundle.GetStringFromName(key);
},
/*
* _getFormattedHostname
*
* Returns the hostname to use in a nsILoginInfo object (for example,
* "http://example.com").
*/
_getFormattedHostname : function (aURI) {
var scheme = aURI.scheme;
var hostname = scheme + "://" + aURI.host;
// If the URI explicitly specified a port, only include it when
// it's not the default. (We never want "http://foo.com:80")
port = aURI.port;
if (port != -1) {
var ioService = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
var handler = ioService.getProtocolHandler(scheme);
if (port != handler.defaultPort)
hostname += ":" + port;
}
return hostname;
},
/*
* _getAuthTarget
*
* Returns the hostname and realm for which authentication is being
* requested, in the format expected to be used with nsILoginInfo.
*/
_getAuthTarget : function (aChannel, aAuthInfo) {
var hostname, realm;
// If our proxy is demanding authentication, don't use the
// channel's actual destination.
if (aAuthInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) {
this.log("getAuthTarget is for proxy auth");
if (!(aChannel instanceof Ci.nsIProxiedChannel))
throw "proxy auth needs nsIProxiedChannel";
var info = aChannel.proxyInfo;
if (!info)
throw "proxy auth needs nsIProxyInfo";
// Proxies don't have a scheme, but we'll use "moz-proxy://"
// so that it's more obvious what the login is for.
var idnService = Cc["@mozilla.org/network/idn-service;1"].
getService(Ci.nsIIDNService);
hostname = "moz-proxy://" +
idnService.convertUTF8toACE(info.host) +
":" + info.port;
realm = aAuthInfo.realm;
if (!realm)
realm = hostname;
return [hostname, realm];
}
hostname = this._getFormattedHostname(aChannel.URI);
// If a HTTP WWW-Authenticate header specified a realm, that value
// will be available here. If it wasn't set or wasn't HTTP, we'll use
// the formatted hostname instead.
realm = aAuthInfo.realm;
if (!realm)
realm = hostname;
return [hostname, realm];
},
/**
* Given a username (possibly in DOMAIN\user form) and password, parses the
* domain out of the username if necessary and sets domain, username and
* password on the auth information object.
*/
_SetAuthInfo : function (aAuthInfo, username, password) {
var flags = aAuthInfo.flags;
if (flags & Ci.nsIAuthInformation.NEED_DOMAIN) {
// Domain is separated from username by a backslash
var idx = username.indexOf("\\");
if (idx == -1) {
aAuthInfo.username = username;
} else {
aAuthInfo.domain = username.substring(0, idx);
aAuthInfo.username = username.substring(idx+1);
}
} else {
aAuthInfo.username = username;
}
aAuthInfo.password = password;
}
}; // end of LoginManagerPrompter implementation
var component = [LoginManagerPromptFactory, LoginManagerPrompter];
function NSGetModule(compMgr, fileSpec) {
return XPCOMUtils.generateModule(component);
}