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 "base/command_line.h"
   8 #include "base/files/file_util.h"
   9 #include "base/path_service.h"
  10 #include "base/strings/string_split.h"
  11 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
  12 #include "chrome/browser/extensions/tab_helper.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/sessions/session_tab_helper.h"
  15 #include "chrome/common/chrome_paths.h"
  16 #include "chrome/common/chrome_switches.h"
  17 #include "chrome/common/url_constants.h"
  18 #include "chrome/grit/chromium_strings.h"
  19 #include "components/guest_view/browser/guest_view_manager.h"
  20 #include "components/signin/core/common/profile_management_switches.h"
  21 #include "content/public/browser/render_frame_host.h"
  22 #include "content/public/browser/web_ui.h"
  23 #include "content/public/browser/web_ui_data_source.h"
  24 #include "grit/browser_resources.h"
  25 #if defined(OS_CHROMEOS)
  26 #include "chrome/browser/chromeos/login/startup_utils.h"
  27 #include "chrome/browser/ui/webui/chromeos/login/inline_login_handler_chromeos.h"
  28 #else
  29 #include "chrome/browser/ui/webui/signin/inline_login_handler_impl.h"
  30 #endif
  31
  32 namespace {
  33
  34 bool HandleTestFileRequestCallback(
  35     const std::string& path,
  36     const content::WebUIDataSource::GotDataCallback& callback) {
  37   std::vector<std::string> url_substr;
  38   base::SplitString(path, '/', &url_substr);
  39   if (url_substr.size() != 2 || url_substr[0] != "test")
  40     return false;
  41
  42   std::string contents;
  43   base::FilePath test_data_dir;
  44   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir);
  45   if (!base::ReadFileToString(
  46           test_data_dir.AppendASCII("webui").AppendASCII(url_substr[1]),
  47           &contents, std::string::npos))
  48     return false;
  49
  50   base::RefCountedString* ref_contents = new base::RefCountedString();
  51   ref_contents->data() = contents;
  52   callback.Run(ref_contents);
  53   return true;
  54 }
  55
  56 content::WebUIDataSource* CreateWebUIDataSource() {
  57   content::WebUIDataSource* source =
  58         content::WebUIDataSource::Create(chrome::kChromeUIChromeSigninHost);
  59   source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome-extension:;");
  60   source->OverrideContentSecurityPolicyObjectSrc("object-src *;");
  61   source->SetJsonPath("strings.js");
  62
  63   bool is_webview_signin_enabled = switches::IsEnableWebviewBasedSignin();
  64   source->SetDefaultResource(is_webview_signin_enabled ?
  65       IDR_NEW_INLINE_LOGIN_HTML : IDR_INLINE_LOGIN_HTML);
  66
  67   // Only add a filter when runing as test.
  68   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  69   const bool is_running_test = command_line->HasSwitch(::switches::kTestName) ||
  70                                command_line->HasSwitch(::switches::kTestType);
  71   if (is_running_test)
  72     source->SetRequestFilter(base::Bind(&HandleTestFileRequestCallback));
  73
  74   source->AddResourcePath("inline_login.css", IDR_INLINE_LOGIN_CSS);
  75   source->AddResourcePath("inline_login.js", IDR_INLINE_LOGIN_JS);
  76   source->AddResourcePath("gaia_auth_host.js", is_webview_signin_enabled ?
  77       IDR_GAIA_AUTH_AUTHENTICATOR_JS : IDR_GAIA_AUTH_HOST_JS);
  78
  79   source->AddLocalizedString("title", IDS_CHROME_SIGNIN_TITLE);
  80   return source;
  81 }
  82
  83 void AddToSetIfIsAuthIframe(std::set<content::RenderFrameHost*>* frame_set,
  84                             const GURL& parent_origin,
  85                             const std::string& parent_frame_name,
  86                             content::RenderFrameHost* frame) {
  87   content::RenderFrameHost* parent = frame->GetParent();
  88   if (parent && parent->GetFrameName() == parent_frame_name &&
  89       (parent_origin.is_empty() ||
  90        parent->GetLastCommittedURL().GetOrigin() == parent_origin)) {
  91     frame_set->insert(frame);
  92   }
  93 }
  94
  95 bool AddToSetIfSigninWebview(std::set<content::RenderFrameHost*>* frame_set,
  96                              content::WebContents* web_contents) {
  97   frame_set->insert(web_contents->GetMainFrame());
  98   return false;
  99 }
 100
 101 } // empty namespace
 102
 103 InlineLoginUI::InlineLoginUI(content::WebUI* web_ui)
 104     : WebDialogUI(web_ui),
 105       auth_extension_(Profile::FromWebUI(web_ui)) {
 106   Profile* profile = Profile::FromWebUI(web_ui);
 107   content::WebUIDataSource::Add(profile, CreateWebUIDataSource());
 108
 109 #if defined(OS_CHROMEOS)
 110   web_ui->AddMessageHandler(new chromeos::InlineLoginHandlerChromeOS());
 111 #else
 112   web_ui->AddMessageHandler(new InlineLoginHandlerImpl());
 113 #endif
 114   content::WebContents* contents = web_ui->GetWebContents();
 115   // Required for intercepting extension function calls when the page is loaded
 116   // in a bubble (not a full tab, thus tab helpers are not registered
 117   // automatically).
 118   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
 119       contents);
 120   extensions::TabHelper::CreateForWebContents(contents);
 121   // Ensure that the login UI has a tab ID, which will allow the GAIA auth
 122   // extension's background script to tell it apart from iframes injected by
 123   // other extensions.
 124   SessionTabHelper::CreateForWebContents(contents);
 125 }
 126
 127 InlineLoginUI::~InlineLoginUI() {}
 128
 129 // Gets the Gaia iframe within a WebContents.
 130 content::RenderFrameHost* InlineLoginUI::GetAuthFrame(
 131     content::WebContents* web_contents,
 132     const GURL& parent_origin,
 133     const std::string& parent_frame_name) {
 134   std::set<content::RenderFrameHost*> frame_set;
 135   bool is_webview = switches::IsEnableWebviewBasedSignin();
 136 #if defined(OS_CHROMEOS)
 137   is_webview = is_webview || chromeos::StartupUtils::IsWebviewSigninEnabled();
 138 #endif
 139   if (is_webview) {
 140     guest_view::GuestViewManager* manager =
 141         guest_view::GuestViewManager::FromBrowserContext(
 142             web_contents->GetBrowserContext());
 143     if (manager) {
 144       manager->ForEachGuest(web_contents,
 145                             base::Bind(&AddToSetIfSigninWebview, &frame_set));
 146     }
 147   } else {
 148     web_contents->ForEachFrame(
 149         base::Bind(&AddToSetIfIsAuthIframe, &frame_set,
 150                    parent_origin, parent_frame_name));
 151   }
 152   DCHECK_GE(1U, frame_set.size());
 153   if (!frame_set.empty())
 154     return *frame_set.begin();
 155
 156   return NULL;
 157 }