dataprotectionpermissionattribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / ManagedLibraries / Security / System / Security / permissions / dataprotectionpermissionattribute.cs / 1305376 / dataprotectionpermissionattribute.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
//
//  DataProtectionPermission.cs 
//

namespace System.Security.Permissions {
    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Assembly, AllowMultiple = true, Inherited = false )] 
    [Serializable()]
    [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] 
    public sealed class DataProtectionPermissionAttribute : CodeAccessSecurityAttribute { 
        private DataProtectionPermissionFlags m_flags = DataProtectionPermissionFlags.NoFlags;
 
        public DataProtectionPermissionAttribute (SecurityAction action) : base (action) {}

        public DataProtectionPermissionFlags Flags {
            get { return m_flags; } 
            set {
                DataProtectionPermission.VerifyFlags(value); 
                m_flags = value; 
            }
        } 

        public bool ProtectData {
            get { return (m_flags & DataProtectionPermissionFlags.ProtectData) != 0; }
            set { m_flags = value ? m_flags | DataProtectionPermissionFlags.ProtectData : m_flags & ~DataProtectionPermissionFlags.ProtectData; } 
        }
 
        public bool UnprotectData { 
            get { return (m_flags & DataProtectionPermissionFlags.UnprotectData) != 0; }
            set { m_flags = value ? m_flags | DataProtectionPermissionFlags.UnprotectData : m_flags & ~DataProtectionPermissionFlags.UnprotectData; } 
        }

        public bool ProtectMemory {
            get { return (m_flags & DataProtectionPermissionFlags.ProtectMemory) != 0; } 
            set { m_flags = value ? m_flags | DataProtectionPermissionFlags.ProtectMemory : m_flags & ~DataProtectionPermissionFlags.ProtectMemory; }
        } 
 
        public bool UnprotectMemory {
            get { return (m_flags & DataProtectionPermissionFlags.UnprotectMemory) != 0; } 
            set { m_flags = value ? m_flags | DataProtectionPermissionFlags.UnprotectMemory : m_flags & ~DataProtectionPermissionFlags.UnprotectMemory; }
        }

        public override IPermission CreatePermission () { 
            if (Unrestricted)
                return new DataProtectionPermission(PermissionState.Unrestricted); 
            else 
                return new DataProtectionPermission(m_flags);
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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