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 "ui/base/page_transition_types.h" 9 10 class GURL; 11 12 namespace blink { 13 class WebFrame; 14 } 15 16 namespace extensions { 17 18 class ExtensionSet; 19 20 // Encapsulates the policy for when chrome-extension:// and 21 // chrome-extension-resource:// URLs can be requested. 22 class ResourceRequestPolicy { 23 public: 24 // Returns true if the chrome-extension:// |resource_url| can be requested 25 // from |frame_url|. In some cases this decision is made based upon how 26 // this request was generated. Web triggered transitions are more restrictive 27 // than those triggered through UI. 28 static bool CanRequestResource(const GURL& resource_url, 29 blink::WebFrame* frame, 30 ui::PageTransition transition_type, 31 const ExtensionSet* loaded_extensions); 32 // Returns true if the chrome-extension-resource:// |resource_url| can be 33 // requested from |frame_url|. 34 static bool CanRequestExtensionResourceScheme(const GURL& resource_url, 35 blink::WebFrame* frame); 36 37 private: 38 ResourceRequestPolicy(); 39 }; 40 41 } // namespace extensions 42 43 #endif // CHROME_RENDERER_EXTENSIONS_RESOURCE_REQUEST_POLICY_H_ 44
