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|
// Copyright 2014 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">
/**
* @fileoverview An UI component to authenciate to Chrome. The component hosts
* IdP web pages in a webview. A client who is interested in monitoring
* authentication events should pass a listener object of type
* cr.login.GaiaAuthHost.Listener as defined in this file. After initialization,
* call {@code load} to start the authentication flow.
*/
cr.define('cr.login', function() {
'use strict';
// TODO(rogerta): should use gaia URL from GaiaUrls::gaia_url() instead
// of hardcoding the prod URL here. As is, this does not work with staging
// environments.
var IDP_ORIGIN = 'https://accounts.google.com/';
var IDP_PATH = 'ServiceLogin?skipvpage=true&sarp=1&rm=hide';
var CONTINUE_URL =
'chrome-extension://mfffpogegjflfpflabcdkioaeobkgjik/success.html';
var SIGN_IN_HEADER = 'google-accounts-signin';
var EMBEDDED_FORM_HEADER = 'google-accounts-embedded';
var LOCATION_HEADER = 'location';
var COOKIE_HEADER = 'cookie';
var SET_COOKIE_HEADER = 'set-cookie';
var OAUTH_CODE_COOKIE = 'oauth_code';
var GAPS_COOKIE = 'GAPS';
var SERVICE_ID = 'chromeoslogin';
var EMBEDDED_SETUP_CHROMEOS_ENDPOINT = 'embedded/setup/chromeos';
/**
* The source URL parameter for the constrained signin flow.
*/
var CONSTRAINED_FLOW_SOURCE = 'chrome';
/**
* Enum for the authorization mode, must match AuthMode defined in
* chrome/browser/ui/webui/inline_login_ui.cc.
* @enum {number}
*/
var AuthMode = {
DEFAULT: 0,
OFFLINE: 1,
DESKTOP: 2
};
/**
* Enum for the authorization type.
* @enum {number}
*/
var AuthFlow = {
DEFAULT: 0,
SAML: 1
};
/**
* Supported Authenticator params.
* @type {!Array<string>}
* @const
*/
var SUPPORTED_PARAMS = [
'gaiaId', // Obfuscated GAIA ID to skip the email prompt page
// during the re-auth flow.
'gaiaUrl', // Gaia url to use.
'gaiaPath', // Gaia path to use without a leading slash.
'hl', // Language code for the user interface.
'service', // Name of Gaia service.
'continueUrl', // Continue url to use.
'frameUrl', // Initial frame URL to use. If empty defaults to
// gaiaUrl.
'constrained', // Whether the extension is loaded in a constrained
// window.
'clientId', // Chrome client id.
'useEafe', // Whether to use EAFE.
'needPassword', // Whether the host is interested in getting a password.
// If this set to |false|, |confirmPasswordCallback| is
// not called before dispatching |authCopleted|.
// Default is |true|.
'flow', // One of 'default', 'enterprise', or 'theftprotection'.
'enterpriseDomain', // Domain in which hosting device is (or should be)
// enrolled.
'emailDomain', // Value used to prefill domain for email.
'chromeType', // Type of Chrome OS device, e.g. "chromebox".
'clientVersion', // Version of the Chrome build.
'platformVersion', // Version of the OS build.
'releaseChannel', // Installation channel.
'endpointGen', // Current endpoint generation.
'gapsCookie', // GAPS cookie
// The email fields allow for the following possibilities:
//
// 1/ If 'email' is not supplied, then the email text field is blank and the
// user must type an email to proceed.
//
// 2/ If 'email' is supplied, and 'readOnlyEmail' is truthy, then the email
// is hardcoded and the user cannot change it. The user is asked for
// password. This is useful for re-auth scenarios, where chrome needs the
// user to authenticate for a specific account and only that account.
//
// 3/ If 'email' is supplied, and 'readOnlyEmail' is falsy, gaia will
// prefill the email text field using the given email address, but the user
// can still change it and then proceed. This is used on desktop when the
// user disconnects their profile then reconnects, to encourage them to use
// the same account.
'email',
'readOnlyEmail',
];
/**
* Initializes the authenticator component.
* @param {webview|string} webview The webview element or its ID to host IdP
* web pages.
* @constructor
*/
function Authenticator(webview) {
this.webview_ = typeof webview == 'string' ? $(webview) : webview;
assert(this.webview_);
this.email_ = null;
this.password_ = null;
this.gaiaId_ = null,
this.sessionIndex_ = null;
this.chooseWhatToSync_ = false;
this.skipForNow_ = false;
this.authFlow = AuthFlow.DEFAULT;
this.authDomain = '';
this.idpOrigin_ = null;
this.continueUrl_ = null;
this.continueUrlWithoutParams_ = null;
this.initialFrameUrl_ = null;
this.reloadUrl_ = null;
this.trusted_ = true;
this.oauthCode_ = null;
this.gapsCookie_ = null;
this.gapsCookieSent_ = false;
this.newGapsCookie_ = null;
this.useEafe_ = false;
this.clientId_ = null;
this.samlHandler_ = new cr.login.SamlHandler(this.webview_);
this.confirmPasswordCallback = null;
this.noPasswordCallback = null;
this.insecureContentBlockedCallback = null;
this.samlApiUsedCallback = null;
this.missingGaiaInfoCallback = null;
this.needPassword = true;
this.samlHandler_.addEventListener(
'insecureContentBlocked',
this.onInsecureContentBlocked_.bind(this));
this.samlHandler_.addEventListener(
'authPageLoaded',
this.onAuthPageLoaded_.bind(this));
this.webview_.addEventListener('droplink', this.onDropLink_.bind(this));
this.webview_.addEventListener(
'newwindow', this.onNewWindow_.bind(this));
this.webview_.addEventListener(
'contentload', this.onContentLoad_.bind(this));
this.webview_.addEventListener(
'loadabort', this.onLoadAbort_.bind(this));
this.webview_.addEventListener(
'loadstop', this.onLoadStop_.bind(this));
this.webview_.addEventListener(
'loadcommit', this.onLoadCommit_.bind(this));
this.webview_.request.onCompleted.addListener(
this.onRequestCompleted_.bind(this),
{urls: ['<all_urls>'], types: ['main_frame']},
['responseHeaders']);
this.webview_.request.onHeadersReceived.addListener(
this.onHeadersReceived_.bind(this),
{urls: ['<all_urls>'], types: ['main_frame', 'xmlhttprequest']},
['responseHeaders']);
window.addEventListener(
'message', this.onMessageFromWebview_.bind(this), false);
window.addEventListener(
'focus', this.onFocus_.bind(this), false);
window.addEventListener(
'popstate', this.onPopState_.bind(this), false);
}
Authenticator.prototype = Object.create(cr.EventTarget.prototype);
/**
* Reinitializes authentication parameters so that a failed login attempt
* would not result in an infinite loop.
*/
Authenticator.prototype.clearCredentials_ = function() {
this.email_ = null;
this.gaiaId_ = null;
this.password_ = null;
this.oauthCode_ = null;
this.gapsCookie_ = null;
this.gapsCookieSent_ = false;
this.newGapsCookie_ = null;
this.chooseWhatToSync_ = false;
this.skipForNow_ = false;
this.sessionIndex_ = null;
this.trusted_ = true;
this.authFlow = AuthFlow.DEFAULT;
this.samlHandler_.reset();
};
/**
* Loads the authenticator component with the given parameters.
* @param {AuthMode} authMode Authorization mode.
* @param {Object} data Parameters for the authorization flow.
*/
Authenticator.prototype.load = function(authMode, data) {
this.authMode = authMode;
this.clearCredentials_();
// gaiaUrl parameter is used for testing. Once defined, it is never changed.
this.idpOrigin_ = data.gaiaUrl || IDP_ORIGIN;
this.continueUrl_ = data.continueUrl || CONTINUE_URL;
this.continueUrlWithoutParams_ =
this.continueUrl_.substring(0, this.continueUrl_.indexOf('?')) ||
this.continueUrl_;
this.isConstrainedWindow_ = data.constrained == '1';
this.isNewGaiaFlow = data.isNewGaiaFlow;
this.useEafe_ = data.useEafe || false;
this.clientId_ = data.clientId;
this.gapsCookie_ = data.gapsCookie;
this.gapsCookieSent_ = false;
this.newGapsCookie_ = null;
this.dontResizeNonEmbeddedPages = data.dontResizeNonEmbeddedPages;
this.initialFrameUrl_ = this.constructInitialFrameUrl_(data);
this.reloadUrl_ = data.frameUrl || this.initialFrameUrl_;
// Don't block insecure content for desktop flow because it lands on
// http. Otherwise, block insecure content as long as gaia is https.
this.samlHandler_.blockInsecureContent = authMode != AuthMode.DESKTOP &&
this.idpOrigin_.indexOf('https://') == 0;
this.needPassword = !('needPassword' in data) || data.needPassword;
if (this.isNewGaiaFlow) {
this.webview_.contextMenus.onShow.addListener(function(e) {
e.preventDefault();
});
if (!this.onBeforeSetHeadersSet_) {
this.onBeforeSetHeadersSet_ = true;
var filterPrefix = this.idpOrigin_ + EMBEDDED_SETUP_CHROMEOS_ENDPOINT;
// This depends on gaiaUrl parameter, that is why it is here.
this.webview_.request.onBeforeSendHeaders.addListener(
this.onBeforeSendHeaders_.bind(this),
{urls: [filterPrefix + '?*', filterPrefix + '/*']},
['requestHeaders', 'blocking']);
}
}
this.webview_.src = this.reloadUrl_;
};
/**
* Reloads the authenticator component.
*/
Authenticator.prototype.reload = function() {
this.clearCredentials_();
this.webview_.src = this.reloadUrl_;
};
Authenticator.prototype.constructInitialFrameUrl_ = function(data) {
var path = data.gaiaPath;
if (!path && this.isNewGaiaFlow)
path = EMBEDDED_SETUP_CHROMEOS_ENDPOINT;
if (!path)
path = IDP_PATH;
var url = this.idpOrigin_ + path;
if (this.isNewGaiaFlow) {
if (data.chromeType)
url = appendParam(url, 'chrometype', data.chromeType);
if (data.clientId)
url = appendParam(url, 'client_id', data.clientId);
if (data.enterpriseDomain)
url = appendParam(url, 'manageddomain', data.enterpriseDomain);
if (data.clientVersion)
url = appendParam(url, 'client_version', data.clientVersion);
if (data.platformVersion)
url = appendParam(url, 'platform_version', data.platformVersion);
if (data.releaseChannel)
url = appendParam(url, 'release_channel', data.releaseChannel);
if (data.endpointGen)
url = appendParam(url, 'endpoint_gen', data.endpointGen);
} else {
url = appendParam(url, 'continue', this.continueUrl_);
url = appendParam(url, 'service', data.service || SERVICE_ID);
}
if (data.hl)
url = appendParam(url, 'hl', data.hl);
if (data.gaiaId)
url = appendParam(url, 'user_id', data.gaiaId);
if (data.email) {
if (data.readOnlyEmail) {
url = appendParam(url, 'Email', data.email);
} else {
url = appendParam(url, 'email_hint', data.email);
}
}
if (this.isConstrainedWindow_)
url = appendParam(url, 'source', CONSTRAINED_FLOW_SOURCE);
if (data.flow)
url = appendParam(url, 'flow', data.flow);
if (data.emailDomain)
url = appendParam(url, 'emaildomain', data.emailDomain);
return url;
};
/**
* Invoked when a main frame request in the webview has completed.
* @private
*/
Authenticator.prototype.onRequestCompleted_ = function(details) {
var currentUrl = details.url;
if (!this.isNewGaiaFlow &&
currentUrl.lastIndexOf(this.continueUrlWithoutParams_, 0) == 0) {
if (currentUrl.indexOf('ntp=1') >= 0)
this.skipForNow_ = true;
this.maybeCompleteAuth_();
return;
}
if (currentUrl.indexOf('https') != 0)
this.trusted_ = false;
if (this.isConstrainedWindow_) {
var isEmbeddedPage = false;
if (this.idpOrigin_ && currentUrl.lastIndexOf(this.idpOrigin_) == 0) {
var headers = details.responseHeaders;
for (var i = 0; headers && i < headers.length; ++i) {
if (headers[i].name.toLowerCase() == EMBEDDED_FORM_HEADER) {
isEmbeddedPage = true;
break;
}
}
}
// In some cases, non-embedded pages should not be resized. For
// example, on desktop when reauthenticating for purposes of unlocking
// a profile, resizing would cause a browser window to open in the
// system profile, which is not allowed.
if (!isEmbeddedPage && !this.dontResizeNonEmbeddedPages) {
this.dispatchEvent(new CustomEvent('resize', {detail: currentUrl}));
return;
}
}
this.updateHistoryState_(currentUrl);
};
/**
* Manually updates the history. Invoked upon completion of a webview
* navigation.
* @param {string} url Request URL.
* @private
*/
Authenticator.prototype.updateHistoryState_ = function(url) {
if (history.state && history.state.url != url)
history.pushState({url: url}, '');
else
history.replaceState({url: url}, '');
};
/**
* Invoked when the sign-in page takes focus.
* @param {object} e The focus event being triggered.
* @private
*/
Authenticator.prototype.onFocus_ = function(e) {
if (this.authMode == AuthMode.DESKTOP)
this.webview_.focus();
};
/**
* Invoked when the history state is changed.
* @param {object} e The popstate event being triggered.
* @private
*/
Authenticator.prototype.onPopState_ = function(e) {
var state = e.state;
if (state && state.url)
this.webview_.src = state.url;
};
/**
* Invoked when headers are received in the main frame of the webview. It
* 1) reads the authenticated user info from a signin header,
* 2) signals the start of a saml flow upon receiving a saml header.
* @return {!Object} Modified request headers.
* @private
*/
Authenticator.prototype.onHeadersReceived_ = function(details) {
var currentUrl = details.url;
if (currentUrl.lastIndexOf(this.idpOrigin_, 0) != 0)
return;
var headers = details.responseHeaders;
for (var i = 0; headers && i < headers.length; ++i) {
var header = headers[i];
var headerName = header.name.toLowerCase();
if (headerName == SIGN_IN_HEADER) {
var headerValues = header.value.toLowerCase().split(',');
var signinDetails = {};
headerValues.forEach(function(e) {
var pair = e.split('=');
signinDetails[pair[0].trim()] = pair[1].trim();
});
// Removes "" around.
this.email_ = signinDetails['email'].slice(1, -1);
this.gaiaId_ = signinDetails['obfuscatedid'].slice(1, -1);
this.sessionIndex_ = signinDetails['sessionindex'];
} else if (headerName == LOCATION_HEADER) {
// If the "choose what to sync" checkbox was clicked, then the continue
// URL will contain a source=3 field.
var location = decodeURIComponent(header.value);
this.chooseWhatToSync_ = !!location.match(/(\?|&)source=3($|&)/);
} else if (
this.isNewGaiaFlow && headerName == SET_COOKIE_HEADER) {
var headerValue = header.value;
if (headerValue.indexOf(OAUTH_CODE_COOKIE + '=', 0) == 0) {
this.oauthCode_ =
headerValue.substring(OAUTH_CODE_COOKIE.length + 1).split(';')[0];
}
if (headerValue.indexOf(GAPS_COOKIE + '=', 0) == 0) {
this.newGapsCookie_ =
headerValue.substring(GAPS_COOKIE.length + 1).split(';')[0];
}
}
}
};
/**
* This method replaces cookie value in cookie header.
* @param@ {string} header_value Original string value of Cookie header.
* @param@ {string} cookie_name Name of cookie to be replaced.
* @param@ {string} cookie_value New cookie value.
* @return {string} New Cookie header value.
* @private
*/
Authenticator.prototype.updateCookieValue_ = function(
header_value, cookie_name, cookie_value) {
var cookies = header_value.split(/\s*;\s*/);
var found = false;
for (var i = 0; i < cookies.length; ++i) {
if (cookies[i].indexOf(cookie_name + '=', 0) == 0) {
found = true;
cookies[i] = cookie_name + '=' + cookie_value;
break;
}
}
if (!found) {
cookies.push(cookie_name + '=' + cookie_value);
}
return cookies.join('; ');
};
/**
* Handler for webView.request.onBeforeSendHeaders .
* @return {!Object} Modified request headers.
* @private
*/
Authenticator.prototype.onBeforeSendHeaders_ = function(details) {
// We should re-send cookie if first request was unsuccessful (i.e. no new
// GAPS cookie was received).
if (this.isNewGaiaFlow && this.gapsCookie_ &&
(!this.gapsCookieSent_ || !this.newGapsCookie_)) {
var headers = details.requestHeaders;
var found = false;
var gapsCookie = this.gapsCookie_;
for (var i = 0, l = headers.length; i < l; ++i) {
if (headers[i].name == COOKIE_HEADER) {
headers[i].value = this.updateCookieValue_(headers[i].value,
GAPS_COOKIE, gapsCookie);
found = true;
break;
}
}
if (!found) {
details.requestHeaders.push(
{name: COOKIE_HEADER, value: GAPS_COOKIE + '=' + gapsCookie});
}
this.gapsCookieSent_ = true;
}
return {
requestHeaders: details.requestHeaders
};
};
/**
* Returns true if given HTML5 message is received from the webview element.
* @param {object} e Payload of the received HTML5 message.
*/
Authenticator.prototype.isGaiaMessage = function(e) {
if (!this.isWebviewEvent_(e))
return false;
// The event origin does not have a trailing slash.
if (e.origin != this.idpOrigin_.substring(0, this.idpOrigin_.length - 1)) {
return false;
}
// EAFE passes back auth code via message.
if (this.useEafe_ &&
typeof e.data == 'object' &&
e.data.hasOwnProperty('authorizationCode')) {
assert(!this.oauthCode_);
this.oauthCode_ = e.data.authorizationCode;
this.dispatchEvent(
new CustomEvent('authCompleted',
{
detail: {
authCodeOnly: true,
authCode: this.oauthCode_
}
}));
return;
}
// Gaia messages must be an object with 'method' property.
if (typeof e.data != 'object' || !e.data.hasOwnProperty('method')) {
return false;
}
return true;
};
/**
* Invoked when an HTML5 message is received from the webview element.
* @param {object} e Payload of the received HTML5 message.
* @private
*/
Authenticator.prototype.onMessageFromWebview_ = function(e) {
if (!this.isGaiaMessage(e))
return;
var msg = e.data;
if (msg.method == 'attemptLogin') {
this.email_ = msg.email;
if (this.authMode == AuthMode.DESKTOP)
this.password_ = msg.password;
this.chooseWhatToSync_ = msg.chooseWhatToSync;
// We need to dispatch only first event, before user enters password.
this.dispatchEvent(
new CustomEvent('attemptLogin', {detail: msg.email}));
} else if (msg.method == 'dialogShown') {
this.dispatchEvent(new Event('dialogShown'));
} else if (msg.method == 'dialogHidden') {
this.dispatchEvent(new Event('dialogHidden'));
} else if (msg.method == 'backButton') {
this.dispatchEvent(new CustomEvent('backButton', {detail: msg.show}));
} else if (msg.method == 'showView') {
this.dispatchEvent(new Event('showView'));
} else if (msg.method == 'identifierEntered') {
this.dispatchEvent(new CustomEvent(
'identifierEntered',
{detail: {accountIdentifier: msg.accountIdentifier}}));
} else {
console.warn('Unrecognized message from GAIA: ' + msg.method);
}
};
/**
* Invoked by the hosting page to verify the Saml password.
*/
Authenticator.prototype.verifyConfirmedPassword = function(password) {
if (!this.samlHandler_.verifyConfirmedPassword(password)) {
// Invoke confirm password callback asynchronously because the
// verification was based on messages and caller (GaiaSigninScreen)
// does not expect it to be called immediately.
// TODO(xiyuan): Change to synchronous call when iframe based code
// is removed.
var invokeConfirmPassword = (function() {
this.confirmPasswordCallback(this.email_,
this.samlHandler_.scrapedPasswordCount);
}).bind(this);
window.setTimeout(invokeConfirmPassword, 0);
return;
}
this.password_ = password;
this.onAuthCompleted_();
};
/**
* Check Saml flow and start password confirmation flow if needed. Otherwise,
* continue with auto completion.
* @private
*/
Authenticator.prototype.maybeCompleteAuth_ = function() {
var missingGaiaInfo = !this.email_ || !this.gaiaId_ || !this.sessionIndex_;
if (missingGaiaInfo && !this.skipForNow_) {
if (this.missingGaiaInfoCallback)
this.missingGaiaInfoCallback();
this.webview_.src = this.initialFrameUrl_;
return;
}
if (this.samlHandler_.samlApiUsed) {
if (this.samlApiUsedCallback) {
this.samlApiUsedCallback();
}
this.password_ = this.samlHandler_.apiPasswordBytes;
this.onAuthCompleted_();
return;
}
if (this.samlHandler_.scrapedPasswordCount == 0) {
if (this.noPasswordCallback) {
this.noPasswordCallback(this.email_);
return;
}
// Fall through to finish the auth flow even if this.needPassword
// is true. This is because the flag is used as an intention to get
// password when it is available but not a mandatory requirement.
console.warn('Authenticator: No password scraped for SAML.');
} else if (this.needPassword) {
if (this.confirmPasswordCallback) {
// Confirm scraped password. The flow follows in
// verifyConfirmedPassword.
this.confirmPasswordCallback(this.email_,
this.samlHandler_.scrapedPasswordCount);
return;
}
}
this.onAuthCompleted_();
};
/**
* Invoked to process authentication completion.
* @private
*/
Authenticator.prototype.onAuthCompleted_ = function() {
assert(this.skipForNow_ ||
(this.email_ && this.gaiaId_ && this.sessionIndex_));
this.dispatchEvent(new CustomEvent(
'authCompleted',
// TODO(rsorokin): get rid of the stub values.
{
detail: {
email: this.email_ || '',
gaiaId: this.gaiaId_ || '',
password: this.password_ || '',
authCode: this.oauthCode_,
usingSAML: this.authFlow == AuthFlow.SAML,
chooseWhatToSync: this.chooseWhatToSync_,
skipForNow: this.skipForNow_,
sessionIndex: this.sessionIndex_ || '',
trusted: this.trusted_,
gapsCookie: this.newGapsCookie_ || this.gapsCookie_ || '',
}
}));
this.clearCredentials_();
};
/**
* Invoked when |samlHandler_| fires 'insecureContentBlocked' event.
* @private
*/
Authenticator.prototype.onInsecureContentBlocked_ = function(e) {
if (this.insecureContentBlockedCallback) {
this.insecureContentBlockedCallback(e.detail.url);
} else {
console.error('Authenticator: Insecure content blocked.');
}
};
/**
* Invoked when |samlHandler_| fires 'authPageLoaded' event.
* @private
*/
Authenticator.prototype.onAuthPageLoaded_ = function(e) {
if (!e.detail.isSAMLPage)
return;
this.authDomain = this.samlHandler_.authDomain;
this.authFlow = AuthFlow.SAML;
};
/**
* Invoked when a link is dropped on the webview.
* @private
*/
Authenticator.prototype.onDropLink_ = function(e) {
this.dispatchEvent(new CustomEvent('dropLink', {detail: e.url}));
};
/**
* Invoked when the webview attempts to open a new window.
* @private
*/
Authenticator.prototype.onNewWindow_ = function(e) {
this.dispatchEvent(new CustomEvent('newWindow', {detail: e}));
};
/**
* Invoked when a new document is loaded.
* @private
*/
Authenticator.prototype.onContentLoad_ = function(e) {
if (this.isConstrainedWindow_) {
// Signin content in constrained windows should not zoom. Isolate the
// webview from the zooming of other webviews using the 'per-view' zoom
// mode, and then set it to 100% zoom.
this.webview_.setZoomMode('per-view');
this.webview_.setZoom(1);
}
// Posts a message to IdP pages to initiate communication.
var currentUrl = this.webview_.src;
if (currentUrl.lastIndexOf(this.idpOrigin_) == 0) {
var msg = {
'method': 'handshake',
};
this.webview_.contentWindow.postMessage(msg, currentUrl);
this.dispatchEvent(new Event('ready'));
// Focus webview after dispatching event when webview is already visible.
this.webview_.focus();
}
};
/**
* Invoked when the webview fails loading a page.
* @private
*/
Authenticator.prototype.onLoadAbort_ = function(e) {
this.dispatchEvent(new CustomEvent('loadAbort',
{detail: {error: e.reason,
src: this.webview_.src}}));
};
/**
* Invoked when the webview finishes loading a page.
* @private
*/
Authenticator.prototype.onLoadStop_ = function(e) {
// Sends client id to EAFE on every loadstop after a small timeout. This is
// needed because EAFE sits behind SSO and initialize asynchrounouly
// and we don't know for sure when it is loaded and ready to listen
// for message. The postMessage is guarded by EAFE's origin.
if (this.useEafe_) {
// An arbitrary small timeout for delivering the initial message.
var EAFE_INITIAL_MESSAGE_DELAY_IN_MS = 500;
window.setTimeout((function() {
var msg = {
'clientId': this.clientId_
};
this.webview_.contentWindow.postMessage(msg, this.idpOrigin_);
}).bind(this), EAFE_INITIAL_MESSAGE_DELAY_IN_MS);
}
};
/**
* Invoked when the webview navigates withing the current document.
* @private
*/
Authenticator.prototype.onLoadCommit_ = function(e) {
if (this.oauthCode_)
this.maybeCompleteAuth_();
};
/**
* Returns |true| if event |e| was sent from the hosted webview.
* @private
*/
Authenticator.prototype.isWebviewEvent_ = function(e) {
// Note: <webview> prints error message to console if |contentWindow| is not
// defined.
// TODO(dzhioev): remove the message. http://crbug.com/469522
var webviewWindow = this.webview_.contentWindow;
return !!webviewWindow && webviewWindow === e.source;
};
/**
* The current auth flow of the hosted auth page.
* @type {AuthFlow}
*/
cr.defineProperty(Authenticator, 'authFlow');
/**
* The domain name of the current auth page.
* @type {string}
*/
cr.defineProperty(Authenticator, 'authDomain');
Authenticator.AuthFlow = AuthFlow;
Authenticator.AuthMode = AuthMode;
Authenticator.SUPPORTED_PARAMS = SUPPORTED_PARAMS;
return {
// TODO(guohui, xiyuan): Rename GaiaAuthHost to Authenticator once the old
// iframe-based flow is deprecated.
GaiaAuthHost: Authenticator,
Authenticator: Authenticator
};
});
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