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
AutoLoginPrompter(WebContents * web_contents,const Params & params,const GURL & url)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
~AutoLoginPrompter()44 AutoLoginPrompter::~AutoLoginPrompter() {
45 }
46
47 // static
ShowInfoBarIfPossible(net::URLRequest * request,int child_id,int route_id)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
ShowInfoBarUIThread(Params params,const GURL & url,int child_id,int route_id)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
DidStopLoading(content::RenderViewHost * render_view_host)97 void AutoLoginPrompter::DidStopLoading(
98 content::RenderViewHost* render_view_host) {
99 AddInfoBarToWebContents();
100 delete this;
101 }
102
WebContentsDestroyed()103 void AutoLoginPrompter::WebContentsDestroyed() {
104 // The WebContents was destroyed before the navigation completed.
105 delete this;
106 }
107
AddInfoBarToWebContents()108 void AutoLoginPrompter::AddInfoBarToWebContents() {
109 if (!infobar_shown_)
110 infobar_shown_ = AutoLoginInfoBarDelegate::Create(web_contents(), params_);
111 }
112