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 "libcef/browser/extensions/extension_web_contents_observer.h" 6 7 #include "chrome/common/webui_url_constants.h" 8 #include "content/public/browser/child_process_security_policy.h" 9 #include "content/public/browser/render_frame_host.h" 10 #include "content/public/browser/render_process_host.h" 11 #include "content/public/common/url_constants.h" 12 #include "third_party/blink/public/common/chrome_debug_urls.h" 13 14 namespace extensions { 15 CefExtensionWebContentsObserver(content::WebContents * web_contents)16CefExtensionWebContentsObserver::CefExtensionWebContentsObserver( 17 content::WebContents* web_contents) 18 : ExtensionWebContentsObserver(web_contents), 19 content::WebContentsUserData<CefExtensionWebContentsObserver>( 20 *web_contents), 21 script_executor_(new ScriptExecutor(web_contents)) {} 22 ~CefExtensionWebContentsObserver()23CefExtensionWebContentsObserver::~CefExtensionWebContentsObserver() {} 24 25 // static CreateForWebContents(content::WebContents * web_contents)26void CefExtensionWebContentsObserver::CreateForWebContents( 27 content::WebContents* web_contents) { 28 content::WebContentsUserData< 29 CefExtensionWebContentsObserver>::CreateForWebContents(web_contents); 30 31 // Initialize this instance if necessary. 32 FromWebContents(web_contents)->Initialize(); 33 } 34 RenderFrameCreated(content::RenderFrameHost * render_frame_host)35void CefExtensionWebContentsObserver::RenderFrameCreated( 36 content::RenderFrameHost* render_frame_host) { 37 ExtensionWebContentsObserver::RenderFrameCreated(render_frame_host); 38 39 const Extension* extension = GetExtensionFromFrame(render_frame_host, false); 40 if (!extension) 41 return; 42 43 int process_id = render_frame_host->GetProcess()->GetID(); 44 auto policy = content::ChildProcessSecurityPolicy::GetInstance(); 45 46 // Components of chrome that are implemented as extensions or platform apps 47 // are allowed to use chrome://resources/ and chrome://theme/ URLs. 48 if ((extension->is_extension() || extension->is_platform_app()) && 49 Manifest::IsComponentLocation(extension->location())) { 50 policy->GrantRequestOrigin( 51 process_id, url::Origin::Create(GURL(blink::kChromeUIResourcesURL))); 52 policy->GrantRequestOrigin( 53 process_id, url::Origin::Create(GURL(chrome::kChromeUIThemeURL))); 54 } 55 } 56 57 WEB_CONTENTS_USER_DATA_KEY_IMPL(CefExtensionWebContentsObserver); 58 59 } // namespace extensions 60