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1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. | |
nasko
2017/01/23 22:32:38
nit: no "(c)".
carlosk
2017/02/08 02:59:02
Done.
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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/content_settings/mixed_content_settings_tab_helper.h" | |
6 | |
7 #include "content/public/browser/browser_thread.h" | |
8 #include "content/public/browser/navigation_handle.h" | |
9 #include "content/public/browser/render_frame_host.h" | |
10 #include "content/public/browser/site_instance.h" | |
11 | |
12 using content::BrowserThread; | |
13 using content::WebContents; | |
14 | |
15 DEFINE_WEB_CONTENTS_USER_DATA_KEY(MixedContentSettingsTabHelper); | |
16 | |
17 MixedContentSettingsTabHelper::MixedContentSettingsTabHelper(WebContents* tab) | |
18 : content::WebContentsObserver(tab) { | |
19 if (tab->HasOpener()) { | |
nasko
2017/01/23 22:32:37
nit: if (!tab->HasOpener()) return; will yield a b
carlosk
2017/02/08 02:59:02
Done.
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20 // Note: using the opener WebContents to override these values only works | |
21 // because in Chrome these settings are maintained at the tab level instead | |
22 // of at the frame level as Blink does. | |
23 MixedContentSettingsTabHelper* opener_settings = | |
24 MixedContentSettingsTabHelper::FromWebContents(tab->GetOpener()); | |
25 if (opener_settings) { | |
26 insecure_content_site_instance_ = | |
27 opener_settings->insecure_content_site_instance_; | |
28 is_running_insecure_content_allowed_ = | |
29 opener_settings->is_running_insecure_content_allowed_; | |
30 } | |
31 } | |
32 } | |
33 | |
34 MixedContentSettingsTabHelper::~MixedContentSettingsTabHelper() {} | |
35 | |
36 void MixedContentSettingsTabHelper::AllowRunningOfInsecureContent() { | |
37 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
38 DCHECK(!insecure_content_site_instance_ || | |
39 insecure_content_site_instance_ == web_contents()->GetSiteInstance()); | |
40 insecure_content_site_instance_ = web_contents()->GetSiteInstance(); | |
41 is_running_insecure_content_allowed_ = true; | |
42 } | |
43 | |
44 void MixedContentSettingsTabHelper::DidFinishNavigation( | |
45 content::NavigationHandle* navigation_handle) { | |
46 if (!navigation_handle->IsInMainFrame() || !navigation_handle->HasCommitted()) | |
47 return; | |
48 | |
49 // Resets mixed content settings on a successful navigation of the main frame | |
50 // to a different SiteInstance. This follows the renderer side behavior which | |
51 // is reset whenever a cross-site navigation takes place: a new main | |
52 // RenderFrame is created along with a new ContentSettingsObserver, causing | |
53 // the effective reset of the mixed content running permission. | |
54 // Note: even though on the renderer this setting exists on a per frame basis, | |
55 // it has always been controlled at the WebContents level. Its value is always | |
56 // inherited from the parent frame and when changed the whole tree is updated. | |
57 content::SiteInstance* new_site = | |
58 navigation_handle->GetRenderFrameHost()->GetSiteInstance(); | |
59 if (new_site != insecure_content_site_instance_) { | |
60 insecure_content_site_instance_ = nullptr; | |
61 is_running_insecure_content_allowed_ = false; | |
62 } | |
63 } | |
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