1 // Copyright 2014 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/android/infobars/auto_login_prompter.h" 6 7 #include "base/bind.h" 8 #include "base/command_line.h" 9 #include "base/logging.h" 10 #include "base/prefs/pref_service.h" 11 #include "chrome/browser/profiles/profile.h" 12 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h" 13 #include "chrome/browser/signin/signin_manager_factory.h" 14 #include "chrome/browser/tab_contents/tab_util.h" 15 #include "chrome/common/chrome_switches.h" 16 #include "chrome/common/pref_names.h" 17 #include "components/auto_login_parser/auto_login_parser.h" 18 #include "components/google/core/browser/google_url_tracker.h" 19 #include "components/signin/core/browser/profile_oauth2_token_service.h" 20 #include "components/signin/core/browser/signin_manager.h" 21 #include "content/public/browser/browser_thread.h" 22 #include "content/public/browser/web_contents.h" 23 #include "net/url_request/url_request.h" 24 #include "url/gurl.h" 25 26 using content::BrowserThread; 27 using content::BrowserContext; 28 using content::WebContents; 29 30 AutoLoginPrompter::AutoLoginPrompter(WebContents* web_contents, 31 const Params& params, 32 const GURL& url) 33 : WebContentsObserver(web_contents), 34 params_(params), 35 url_(url), 36 infobar_shown_(false) { 37 if (!web_contents->IsLoading()) { 38 // If the WebContents isn't loading a page, the load notification will never 39 // be triggered. Try adding the InfoBar now. 40 AddInfoBarToWebContents(); 41 } 42 } 43 44 AutoLoginPrompter::~AutoLoginPrompter() { 45 } 46 47 // static 48 void AutoLoginPrompter::ShowInfoBarIfPossible(net::URLRequest* request, 49 int child_id, 50 int route_id) { 51 // See if the response contains the X-Auto-Login header. If so, this was 52 // a request for a login page, and the server is allowing the browser to 53 // suggest auto-login, if available. 54 Params params; 55 // Currently we only accept GAIA credentials in Chrome. 56 if (!auto_login_parser::ParserHeaderInResponse( 57 request, auto_login_parser::ONLY_GOOGLE_COM, ¶ms.header)) 58 return; 59 60 BrowserThread::PostTask( 61 BrowserThread::UI, FROM_HERE, 62 base::Bind(&ShowInfoBarUIThread, 63 params, request->url(), child_id, route_id)); 64 } 65 66 67 // static 68 void AutoLoginPrompter::ShowInfoBarUIThread(Params params, 69 const GURL& url, 70 int child_id, 71 int route_id) { 72 DCHECK_CURRENTLY_ON(BrowserThread::UI); 73 WebContents* web_contents = tab_util::GetWebContentsByID(child_id, route_id); 74 if (!web_contents) 75 return; 76 77 BrowserContext* context = web_contents->GetBrowserContext(); 78 if (context->IsOffTheRecord()) 79 return; 80 81 Profile* profile = Profile::FromBrowserContext(context); 82 if (!profile->GetPrefs()->GetBoolean(prefs::kAutologinEnabled)) 83 return; 84 85 // Make sure that |account|, if specified, matches the logged in user. 86 // However, |account| is usually empty. 87 if (!params.username.empty() && !params.header.account.empty() && 88 params.username != params.header.account) 89 return; 90 // We can't add the infobar just yet, since we need to wait for the tab to 91 // finish loading. If we don't, the info bar appears and then disappears 92 // immediately. Create an AutoLoginPrompter instance to listen for the 93 // relevant notifications; it will delete itself. 94 new AutoLoginPrompter(web_contents, params, url); 95 } 96 97 void AutoLoginPrompter::DidStopLoading( 98 content::RenderViewHost* render_view_host) { 99 AddInfoBarToWebContents(); 100 delete this; 101 } 102 103 void AutoLoginPrompter::WebContentsDestroyed() { 104 // The WebContents was destroyed before the navigation completed. 105 delete this; 106 } 107 108 void AutoLoginPrompter::AddInfoBarToWebContents() { 109 if (!infobar_shown_) 110 infobar_shown_ = AutoLoginInfoBarDelegate::Create(web_contents(), params_); 111 } 112