1 // Copyright (c) 2012 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 #ifndef CHROME_RENDERER_EXTENSIONS_RESOURCE_REQUEST_POLICY_H_ 6 #define CHROME_RENDERER_EXTENSIONS_RESOURCE_REQUEST_POLICY_H_ 7 8 #include "content/public/common/page_transition_types.h" 9 10 class ExtensionSet; 11 class GURL; 12 13 namespace blink { 14 class WebFrame; 15 } 16 17 namespace extensions { 18 19 // Encapsulates the policy for when chrome-extension:// and 20 // chrome-extension-resource:// URLs can be requested. 21 class ResourceRequestPolicy { 22 public: 23 // Returns true if the chrome-extension:// |resource_url| can be requested 24 // from |frame_url|. In some cases this decision is made based upon how 25 // this request was generated. Web triggered transitions are more restrictive 26 // than those triggered through UI. 27 static bool CanRequestResource(const GURL& resource_url, 28 blink::WebFrame* frame, 29 content::PageTransition transition_type, 30 const ExtensionSet* loaded_extensions); 31 // Returns true if the chrome-extension-resource:// |resource_url| can be 32 // requested from |frame_url|. 33 static bool CanRequestExtensionResourceScheme(const GURL& resource_url, 34 blink::WebFrame* frame); 35 36 private: 37 ResourceRequestPolicy(); 38 }; 39 40 } // namespace extensions 41 42 #endif // CHROME_RENDERER_EXTENSIONS_RESOURCE_REQUEST_POLICY_H_ 43