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| 1 // Copyright 2017 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/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()) |
| 20 return; |
| 21 |
| 22 // Note: using the opener WebContents to override these values only works |
| 23 // because in Chrome these settings are maintained at the tab level instead of |
| 24 // at the frame level as Blink does. |
| 25 MixedContentSettingsTabHelper* opener_settings = |
| 26 MixedContentSettingsTabHelper::FromWebContents(tab->GetOpener()); |
| 27 if (opener_settings) { |
| 28 insecure_content_site_instance_ = |
| 29 opener_settings->insecure_content_site_instance_; |
| 30 is_running_insecure_content_allowed_ = |
| 31 opener_settings->is_running_insecure_content_allowed_; |
| 32 } |
| 33 } |
| 34 |
| 35 MixedContentSettingsTabHelper::~MixedContentSettingsTabHelper() {} |
| 36 |
| 37 void MixedContentSettingsTabHelper::AllowRunningOfInsecureContent() { |
| 38 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 39 DCHECK(!insecure_content_site_instance_ || |
| 40 insecure_content_site_instance_ == web_contents()->GetSiteInstance()); |
| 41 insecure_content_site_instance_ = web_contents()->GetSiteInstance(); |
| 42 is_running_insecure_content_allowed_ = true; |
| 43 } |
| 44 |
| 45 void MixedContentSettingsTabHelper::DidFinishNavigation( |
| 46 content::NavigationHandle* navigation_handle) { |
| 47 if (!navigation_handle->IsInMainFrame() || !navigation_handle->HasCommitted()) |
| 48 return; |
| 49 |
| 50 // Resets mixed content settings on a successful navigation of the main frame |
| 51 // to a different SiteInstance. This follows the renderer side behavior which |
| 52 // is reset whenever a cross-site navigation takes place: a new main |
| 53 // RenderFrame is created along with a new ContentSettingsObserver, causing |
| 54 // the effective reset of the mixed content running permission. |
| 55 // Note: even though on the renderer this setting exists on a per frame basis, |
| 56 // it has always been controlled at the WebContents level. Its value is always |
| 57 // inherited from the parent frame and when changed the whole tree is updated. |
| 58 content::SiteInstance* new_site = |
| 59 navigation_handle->GetRenderFrameHost()->GetSiteInstance(); |
| 60 if (new_site != insecure_content_site_instance_) { |
| 61 insecure_content_site_instance_ = nullptr; |
| 62 is_running_insecure_content_allowed_ = false; |
| 63 } |
| 64 } |
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