src/chrome/browser/ui/webui/signin/inline_login_ui.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
   6
   7 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/browser/sessions/session_tab_helper.h"
  10 #include "chrome/common/url_constants.h"
  11 #include "chrome/grit/chromium_strings.h"
  12 #include "components/signin/core/common/profile_management_switches.h"
  13 #include "content/public/browser/render_frame_host.h"
  14 #include "content/public/browser/web_ui.h"
  15 #include "content/public/browser/web_ui_data_source.h"
  16 #include "grit/browser_resources.h"
  17 #if defined(OS_CHROMEOS)
  18 #include "chrome/browser/ui/webui/chromeos/login/inline_login_handler_chromeos.h"
  19 #else
  20 #include "chrome/browser/ui/webui/signin/inline_login_handler_impl.h"
  21 #endif
  22
  23 namespace {
  24
  25 content::WebUIDataSource* CreateWebUIDataSource() {
  26   content::WebUIDataSource* source =
  27         content::WebUIDataSource::Create(chrome::kChromeUIChromeSigninHost);
  28   source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome-extension:;");
  29   source->OverrideContentSecurityPolicyObjectSrc("object-src *;");
  30   source->SetJsonPath("strings.js");
  31
  32   bool is_webview_signin_enabled = switches::IsEnableWebviewBasedSignin();
  33   source->SetDefaultResource(is_webview_signin_enabled ?
  34       IDR_NEW_INLINE_LOGIN_HTML : IDR_INLINE_LOGIN_HTML);
  35   source->AddResourcePath("inline_login.css", IDR_INLINE_LOGIN_CSS);
  36   source->AddResourcePath("inline_login.js", IDR_INLINE_LOGIN_JS);
  37   source->AddResourcePath("gaia_auth_host.js", is_webview_signin_enabled ?
  38       IDR_GAIA_AUTH_AUTHENTICATOR_JS : IDR_GAIA_AUTH_HOST_JS);
  39
  40   source->AddLocalizedString("title", IDS_CHROME_SIGNIN_TITLE);
  41   return source;
  42 }
  43
  44 void AddToSetIfIsAuthIframe(std::set<content::RenderFrameHost*>* frame_set,
  45                             const GURL& parent_origin,
  46                             const std::string& parent_frame_name,
  47                             content::RenderFrameHost* frame) {
  48   content::RenderFrameHost* parent = frame->GetParent();
  49   if (parent && parent->GetFrameName() == parent_frame_name &&
  50       (parent_origin.is_empty() ||
  51        parent->GetLastCommittedURL().GetOrigin() == parent_origin)) {
  52     frame_set->insert(frame);
  53   }
  54 }
  55
  56 } // empty namespace
  57
  58 InlineLoginUI::InlineLoginUI(content::WebUI* web_ui)
  59     : WebDialogUI(web_ui),
  60       auth_extension_(Profile::FromWebUI(web_ui)) {
  61   Profile* profile = Profile::FromWebUI(web_ui);
  62   content::WebUIDataSource::Add(profile, CreateWebUIDataSource());
  63
  64 #if defined(OS_CHROMEOS)
  65   web_ui->AddMessageHandler(new chromeos::InlineLoginHandlerChromeOS());
  66 #else
  67   web_ui->AddMessageHandler(new InlineLoginHandlerImpl());
  68 #endif
  69   content::WebContents* contents = web_ui->GetWebContents();
  70   // Required for intercepting extension function calls when the page is loaded
  71   // in a bubble (not a full tab, thus tab helpers are not registered
  72   // automatically).
  73   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
  74       contents);
  75   // Ensure that the login UI has a tab ID, which will allow the GAIA auth
  76   // extension's background script to tell it apart from iframes injected by
  77   // other extensions.
  78   SessionTabHelper::CreateForWebContents(contents);
  79 }
  80
  81 InlineLoginUI::~InlineLoginUI() {}
  82
  83 // Gets the Gaia iframe within a WebContents.
  84 content::RenderFrameHost* InlineLoginUI::GetAuthIframe(
  85     content::WebContents* web_contents,
  86     const GURL& parent_origin,
  87     const std::string& parent_frame_name) {
  88   std::set<content::RenderFrameHost*> frame_set;
  89   web_contents->ForEachFrame(
  90       base::Bind(&AddToSetIfIsAuthIframe, &frame_set,
  91                  parent_origin, parent_frame_name));
  92   DCHECK_GE(1U, frame_set.size());
  93   if (!frame_set.empty())
  94     return *frame_set.begin();
  95
  96   return NULL;
  97 }