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      1 // Copyright 2013 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 EXTENSIONS_COMMON_MANIFEST_HANDLERS_CSP_INFO_H_
      6 #define EXTENSIONS_COMMON_MANIFEST_HANDLERS_CSP_INFO_H_
      7 
      8 #include <string>
      9 
     10 #include "extensions/common/extension.h"
     11 #include "extensions/common/manifest_handler.h"
     12 
     13 namespace extensions {
     14 
     15 // A structure to hold the Content-Security-Policy information.
     16 struct CSPInfo : public Extension::ManifestData {
     17   explicit CSPInfo(const std::string& security_policy);
     18   virtual ~CSPInfo();
     19 
     20   // The Content-Security-Policy for an extension.  Extensions can use
     21   // Content-Security-Policies to mitigate cross-site scripting and other
     22   // vulnerabilities.
     23   std::string content_security_policy;
     24 
     25   static const std::string& GetContentSecurityPolicy(
     26       const Extension* extension);
     27 
     28   // Returns the Content Security Policy that the specified resource should be
     29   // served with.
     30   static const std::string& GetResourceContentSecurityPolicy(
     31       const Extension* extension,
     32       const std::string& relative_path);
     33 };
     34 
     35 // Parses "content_security_policy" and "app.content_security_policy" keys.
     36 class CSPHandler : public ManifestHandler {
     37  public:
     38   explicit CSPHandler(bool is_platform_app);
     39   virtual ~CSPHandler();
     40 
     41   virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
     42   virtual bool AlwaysParseForType(Manifest::Type type) const OVERRIDE;
     43 
     44  private:
     45   virtual const std::vector<std::string> Keys() const OVERRIDE;
     46 
     47   bool is_platform_app_;
     48 
     49   DISALLOW_COPY_AND_ASSIGN(CSPHandler);
     50 };
     51 
     52 }  // namespace extensions
     53 
     54 #endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_CSP_INFO_H_
     55