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      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_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_
      6 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_
      7 
      8 #include <map>
      9 #include <string>
     10 
     11 #include "base/basictypes.h"
     12 
     13 class ExtensionInfoMap;
     14 class GURL;
     15 
     16 namespace net {
     17 class URLRequest;
     18 }
     19 
     20 // This class is used to test whether extensions may modify web requests.
     21 class WebRequestPermissions {
     22  public:
     23   // Different host permission checking modes for CanExtensionAccessURL.
     24   enum HostPermissionsCheck {
     25     DO_NOT_CHECK_HOST = 0,    // No check.
     26     REQUIRE_HOST_PERMISSION,  // Permission needed for given URL.
     27     REQUIRE_ALL_URLS          // Permission needed for <all_urls>.
     28   };
     29 
     30   // Returns true if the request shall not be reported to extensions.
     31   static bool HideRequest(const ExtensionInfoMap* extension_info_map,
     32                           const net::URLRequest* request);
     33 
     34   // |host_permission_check| controls how permissions are checked with regard to
     35   // |url|.
     36   static bool CanExtensionAccessURL(
     37       const ExtensionInfoMap* extension_info_map,
     38       const std::string& extension_id,
     39       const GURL& url,
     40       bool crosses_incognito,
     41       HostPermissionsCheck host_permissions_check);
     42 
     43  private:
     44   DISALLOW_IMPLICIT_CONSTRUCTORS(WebRequestPermissions);
     45 };
     46 
     47 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_
     48