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 "content/public/browser/render_frame_host.h"
  13 #include "content/public/browser/web_ui.h"
  14 #include "content/public/browser/web_ui_data_source.h"
  15 #include "grit/browser_resources.h"
  16 #if defined(OS_CHROMEOS)
  17 #include "chrome/browser/ui/webui/chromeos/login/inline_login_handler_chromeos.h"
  18 #else
  19 #include "chrome/browser/ui/webui/signin/inline_login_handler_impl.h"
  20 #endif
  21
  22 namespace {
  23
  24 content::WebUIDataSource* CreateWebUIDataSource() {
  25   content::WebUIDataSource* source =
  26         content::WebUIDataSource::Create(chrome::kChromeUIChromeSigninHost);
  27   source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome-extension:;");
  28   source->OverrideContentSecurityPolicyObjectSrc("object-src *;");
  29   source->SetUseJsonJSFormatV2();
  30   source->SetJsonPath("strings.js");
  31
  32   source->SetDefaultResource(IDR_INLINE_LOGIN_HTML);
  33   source->AddResourcePath("inline_login.css", IDR_INLINE_LOGIN_CSS);
  34   source->AddResourcePath("inline_login.js", IDR_INLINE_LOGIN_JS);
  35
  36   source->AddLocalizedString("title", IDS_CHROME_SIGNIN_TITLE);
  37   return source;
  38 }
  39
  40 void AddToSetIfIsAuthIframe(std::set<content::RenderFrameHost*>* frame_set,
  41                             const GURL& parent_origin,
  42                             const std::string& parent_frame_name,
  43                             content::RenderFrameHost* frame) {
  44   content::RenderFrameHost* parent = frame->GetParent();
  45   if (parent && parent->GetFrameName() == parent_frame_name &&
  46       (parent_origin.is_empty() ||
  47        parent->GetLastCommittedURL().GetOrigin() == parent_origin)) {
  48     frame_set->insert(frame);
  49   }
  50 }
  51
  52 } // empty namespace
  53
  54 InlineLoginUI::InlineLoginUI(content::WebUI* web_ui)
  55     : WebDialogUI(web_ui),
  56       auth_extension_(Profile::FromWebUI(web_ui)) {
  57   Profile* profile = Profile::FromWebUI(web_ui);
  58   content::WebUIDataSource::Add(profile, CreateWebUIDataSource());
  59
  60 #if defined(OS_CHROMEOS)
  61   web_ui->AddMessageHandler(new chromeos::InlineLoginHandlerChromeOS());
  62 #else
  63   web_ui->AddMessageHandler(new InlineLoginHandlerImpl());
  64 #endif
  65   content::WebContents* contents = web_ui->GetWebContents();
  66   // Required for intercepting extension function calls when the page is loaded
  67   // in a bubble (not a full tab, thus tab helpers are not registered
  68   // automatically).
  69   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
  70       contents);
  71   // Ensure that the login UI has a tab ID, which will allow the GAIA auth
  72   // extension's background script to tell it apart from iframes injected by
  73   // other extensions.
  74   SessionTabHelper::CreateForWebContents(contents);
  75 }
  76
  77 InlineLoginUI::~InlineLoginUI() {}
  78
  79 // Gets the Gaia iframe within a WebContents.
  80 content::RenderFrameHost* InlineLoginUI::GetAuthIframe(
  81     content::WebContents* web_contents,
  82     const GURL& parent_origin,
  83     const std::string& parent_frame_name) {
  84   std::set<content::RenderFrameHost*> frame_set;
  85   web_contents->ForEachFrame(
  86       base::Bind(&AddToSetIfIsAuthIframe, &frame_set,
  87                  parent_origin, parent_frame_name));
  88   DCHECK_GE(1U, frame_set.size());
  89   if (!frame_set.empty())
  90     return *frame_set.begin();
  91
  92   return NULL;
  93 }