FR: SAML Sign In - Interstitial page to send users directly to IdP login screen

chrome/browser/resources/gaia_auth_host/authenticator.js

 // 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
@@ skipping 13 matching lines @@
       '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';
+  var SAML_REDIRECTION_PATH = 'samlredirect';
 
   /**
    * 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}
@@ skipping 213 matching lines @@
 
   /**
    * Reloads the authenticator component.
    */
   Authenticator.prototype.reload = function() {
     this.clearCredentials_();
     this.webview_.src = this.reloadUrl_;
   };
 
   Authenticator.prototype.constructInitialFrameUrl_ = function(data) {
+    if (data.doSamlRedirect) {
+      var url = this.idpOrigin_ + SAML_REDIRECTION_PATH;
+      url = appendParam(url, 'domain', data.enterpriseDomain);
+      url = appendParam(url, 'continue', data.gaiaUrl +
+          'o/oauth2/programmatic_auth?hl=' + data.hl +
+          '&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin&' +
+          'client_id=' + data.clientId + '&access_type=offline');

[xiyuan, 2016/03/28 20:58:40]

To be on the safe side, encodeURIComponent(data.clientId)

[afakhry, 2016/03/28 23:15:33]

Done.

+
+      return url;
+    }
+
     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);
@@ skipping 521 matching lines @@
   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
   };
 });