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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// <include src="saml_handler.js">
// Note: webview_event_manager.js is already included by saml_handler.js.
/**
* @fileoverview Support password change on with SAML provider.
*/
cr.define('cr.samlPasswordChange', function() {
'use strict';
const BLANK_PAGE_URL = 'about:blank';
/**
* Initializes the authenticator component.
*/
class Authenticator extends cr.EventTarget {
/**
* @param {webview|string} webview The webview element or its ID to host
* IdP web pages.
*/
constructor(webview) {
super();
this.initialFrameUrl_ = null;
this.webviewEventManager_ = WebviewEventManager.create();
this.bindToWebview_(webview);
window.addEventListener('focus', this.onFocus_.bind(this), false);
}
/**
* Reinitializes saml handler.
*/
resetStates() {
this.samlHandler_.reset();
}
/**
* Resets the webview to the blank page.
*/
resetWebview() {
if (this.webview_.src && this.webview_.src != BLANK_PAGE_URL) {
this.webview_.src = BLANK_PAGE_URL;
}
}
/**
* Binds this authenticator to the passed webview.
* @param {!Object} webview the new webview to be used by this
* Authenticator.
* @private
*/
bindToWebview_(webview) {
assert(!this.webview_);
assert(!this.samlHandler_);
this.webview_ = typeof webview == 'string' ? $(webview) : webview;
this.samlHandler_ =
new cr.login.SamlHandler(this.webview_, true /* startsOnSamlPage */);
this.webviewEventManager_.addEventListener(
this.samlHandler_, 'authPageLoaded',
this.onAuthPageLoaded_.bind(this));
this.webviewEventManager_.addEventListener(
this.webview_, 'contentload', this.onContentLoad_.bind(this));
}
/**
* Unbinds this Authenticator from the currently bound webview.
* @private
*/
unbindFromWebview_() {
assert(this.webview_);
assert(this.samlHandler_);
this.webviewEventManager_.removeAllListeners();
this.webview_ = undefined;
this.samlHandler_.unbindFromWebview();
this.samlHandler_ = undefined;
}
/**
* Re-binds to another webview.
* @param {Object} webview the new webview to be used by this Authenticator.
*/
rebindWebview(webview) {
this.unbindFromWebview_();
this.bindToWebview_(webview);
}
/**
* Loads the authenticator component with the given parameters.
* @param {AuthMode} authMode Authorization mode.
* @param {Object} data Parameters for the authorization flow.
*/
load(data) {
this.resetStates();
this.initialFrameUrl_ = this.constructInitialFrameUrl_(data);
this.samlHandler_.blockInsecureContent = true;
this.webview_.src = this.initialFrameUrl_;
}
constructInitialFrameUrl_(data) {
let url;
url = data.passwordChangeUrl;
if (data.userName) {
url = appendParam(url, 'username', data.userName);
}
return url;
}
/**
* Invoked when the sign-in page takes focus.
* @param {object} e The focus event being triggered.
* @private
*/
onFocus_(e) {
this.webview_.focus();
}
/**
* Sends scraped password and resets the state.
* @private
*/
completeAuth_() {
const passwordsOnce = this.samlHandler_.getPasswordsScrapedTimes(1);
const passwordsTwice = this.samlHandler_.getPasswordsScrapedTimes(2);
this.dispatchEvent(new CustomEvent('authCompleted', {
detail: {
old_passwords: passwordsOnce,
new_passwords: passwordsTwice,
}
}));
this.resetStates();
}
/**
* Invoked when |samlHandler_| fires 'authPageLoaded' event.
* @private
*/
onAuthPageLoaded_(e) {
this.webview_.focus();
}
/**
* Invoked when a new document is loaded.
* @private
*/
onContentLoad_(e) {
const currentUrl = this.webview_.src;
// TODO(rsorokin): Implement more robust check.
if (currentUrl.lastIndexOf('status=0') != -1) {
this.completeAuth_();
}
}
}
return {Authenticator: Authenticator};
});
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