// Copyright (c) 2012 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 "chrome/browser/ui/auto_login_prompter.h" #include "base/bind.h" #include "base/command_line.h" #include "base/logging.h" #include "base/prefs/pref_service.h" #include "chrome/browser/google/google_url_tracker.h" #include "chrome/browser/profiles/profile.h" #include "chrome/browser/signin/profile_oauth2_token_service.h" #include "chrome/browser/signin/profile_oauth2_token_service_factory.h" #include "chrome/browser/signin/signin_manager.h" #include "chrome/browser/signin/signin_manager_factory.h" #include "chrome/browser/tab_contents/tab_util.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/pref_names.h" #include "components/auto_login_parser/auto_login_parser.h" #include "content/public/browser/browser_thread.h" #include "content/public/browser/web_contents.h" #include "net/url_request/url_request.h" #include "url/gurl.h" using content::BrowserThread; using content::WebContents; namespace { #if !defined(OS_ANDROID) bool FetchUsernameThroughSigninManager(Profile* profile, std::string* output) { // In an incognito window these services are not available. SigninManagerBase* signin_manager = SigninManagerFactory::GetInstance()->GetForProfile(profile); if (!signin_manager) return false; ProfileOAuth2TokenService* token_service = ProfileOAuth2TokenServiceFactory::GetForProfile(profile); if (!token_service || !token_service->RefreshTokenIsAvailable( token_service->GetPrimaryAccountId())) { return false; } *output = signin_manager->GetAuthenticatedUsername(); return true; } #endif // !defined(OS_ANDROID) } // namespace AutoLoginPrompter::AutoLoginPrompter(WebContents* web_contents, const Params& params, const GURL& url) : WebContentsObserver(web_contents), params_(params), url_(url), infobar_shown_(false) { if (!web_contents->IsLoading()) { // If the WebContents isn't loading a page, the load notification will never // be triggered. Try adding the InfoBar now. AddInfoBarToWebContents(); } } AutoLoginPrompter::~AutoLoginPrompter() { } // static void AutoLoginPrompter::ShowInfoBarIfPossible(net::URLRequest* request, int child_id, int route_id) { if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableAutologin)) return; // See if the response contains the X-Auto-Login header. If so, this was // a request for a login page, and the server is allowing the browser to // suggest auto-login, if available. Params params; // Currently we only accept GAIA credentials in Chrome. if (!auto_login_parser::ParserHeaderInResponse( request, auto_login_parser::ONLY_GOOGLE_COM, ¶ms.header)) return; BrowserThread::PostTask( BrowserThread::UI, FROM_HERE, base::Bind(&ShowInfoBarUIThread, params, request->url(), child_id, route_id)); } // static void AutoLoginPrompter::ShowInfoBarUIThread(Params params, const GURL& url, int child_id, int route_id) { DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); WebContents* web_contents = tab_util::GetWebContentsByID(child_id, route_id); if (!web_contents) return; Profile* profile = Profile::FromBrowserContext(web_contents->GetBrowserContext()); if (!profile->GetPrefs()->GetBoolean(prefs::kAutologinEnabled)) return; #if !defined(OS_ANDROID) // On Android, the username is fetched on the Java side from the // AccountManager provided by the platform. if (!FetchUsernameThroughSigninManager(profile, ¶ms.username)) return; #endif // Make sure that |account|, if specified, matches the logged in user. // However, |account| is usually empty. if (!params.username.empty() && !params.header.account.empty() && params.username != params.header.account) return; // We can't add the infobar just yet, since we need to wait for the tab to // finish loading. If we don't, the info bar appears and then disappears // immediately. Create an AutoLoginPrompter instance to listen for the // relevant notifications; it will delete itself. new AutoLoginPrompter(web_contents, params, url); } void AutoLoginPrompter::DidStopLoading( content::RenderViewHost* render_view_host) { AddInfoBarToWebContents(); delete this; } void AutoLoginPrompter::WebContentsDestroyed(WebContents* web_contents) { // The WebContents was destroyed before the navigation completed. delete this; } void AutoLoginPrompter::AddInfoBarToWebContents() { if (!infobar_shown_) infobar_shown_ = AutoLoginInfoBarDelegate::Create(web_contents(), params_); }