Index: chrome/browser/content_settings/mixed_content_settings_tab_helper.cc |
diff --git a/chrome/browser/content_settings/mixed_content_settings_tab_helper.cc b/chrome/browser/content_settings/mixed_content_settings_tab_helper.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0a6e6ff3da0beb642d060997750176e02e456a6e |
--- /dev/null |
+++ b/chrome/browser/content_settings/mixed_content_settings_tab_helper.cc |
@@ -0,0 +1,64 @@ |
+// Copyright 2017 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/content_settings/mixed_content_settings_tab_helper.h" |
+ |
+#include "content/public/browser/browser_thread.h" |
+#include "content/public/browser/navigation_handle.h" |
+#include "content/public/browser/render_frame_host.h" |
+#include "content/public/browser/site_instance.h" |
+ |
+using content::BrowserThread; |
+using content::WebContents; |
+ |
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(MixedContentSettingsTabHelper); |
+ |
+MixedContentSettingsTabHelper::MixedContentSettingsTabHelper(WebContents* tab) |
+ : content::WebContentsObserver(tab) { |
+ if (!tab->HasOpener()) |
+ return; |
+ |
+ // Note: using the opener WebContents to override these values only works |
+ // because in Chrome these settings are maintained at the tab level instead of |
+ // at the frame level as Blink does. |
+ MixedContentSettingsTabHelper* opener_settings = |
+ MixedContentSettingsTabHelper::FromWebContents(tab->GetOpener()); |
+ if (opener_settings) { |
+ insecure_content_site_instance_ = |
+ opener_settings->insecure_content_site_instance_; |
+ is_running_insecure_content_allowed_ = |
+ opener_settings->is_running_insecure_content_allowed_; |
+ } |
+} |
+ |
+MixedContentSettingsTabHelper::~MixedContentSettingsTabHelper() {} |
+ |
+void MixedContentSettingsTabHelper::AllowRunningOfInsecureContent() { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ DCHECK(!insecure_content_site_instance_ || |
+ insecure_content_site_instance_ == web_contents()->GetSiteInstance()); |
+ insecure_content_site_instance_ = web_contents()->GetSiteInstance(); |
+ is_running_insecure_content_allowed_ = true; |
+} |
+ |
+void MixedContentSettingsTabHelper::DidFinishNavigation( |
+ content::NavigationHandle* navigation_handle) { |
+ if (!navigation_handle->IsInMainFrame() || !navigation_handle->HasCommitted()) |
+ return; |
+ |
+ // Resets mixed content settings on a successful navigation of the main frame |
+ // to a different SiteInstance. This follows the renderer side behavior which |
+ // is reset whenever a cross-site navigation takes place: a new main |
+ // RenderFrame is created along with a new ContentSettingsObserver, causing |
+ // the effective reset of the mixed content running permission. |
+ // Note: even though on the renderer this setting exists on a per frame basis, |
+ // it has always been controlled at the WebContents level. Its value is always |
+ // inherited from the parent frame and when changed the whole tree is updated. |
+ content::SiteInstance* new_site = |
+ navigation_handle->GetRenderFrameHost()->GetSiteInstance(); |
+ if (new_site != insecure_content_site_instance_) { |
+ insecure_content_site_instance_ = nullptr; |
+ is_running_insecure_content_allowed_ = false; |
+ } |
+} |