MachineKeyValidationConverter.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 / fx / src / xsp / System / Web / Configuration / MachineKeyValidationConverter.cs / 1305376 / MachineKeyValidationConverter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections; 
using System.IO;
using System.Reflection; 
using System.Security.Permissions;
using System.Xml;
using System.Collections.Specialized;
using System.Globalization; 
using System.ComponentModel;
using System.Security; 
using System.Text; 
using System.Configuration;
 
namespace System.Web.Configuration {

    [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)]
    public sealed class MachineKeyValidationConverter : ConfigurationConverterBase { 

        public override object ConvertTo(ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type) { 
            if (!(value is MachineKeyValidation)) { 
                throw new ArgumentException(SR.GetString(SR.Config_Invalid_enum_value, "SHA1, MD5, 3DES, AES, HMACSHA256, HMACSHA384, HMACSHA512"));
            } 
            return ConvertFromEnum((MachineKeyValidation)value);
        }

        public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data) 
        {
            return ConvertToEnum((string)data); 
        } 

        internal static string ConvertFromEnum(MachineKeyValidation enumValue) 
        {
            switch (enumValue) {
                case MachineKeyValidation.SHA1:
                    return "SHA1"; 
                case MachineKeyValidation.MD5:
                    return "MD5"; 
                case MachineKeyValidation.TripleDES: 
                    return "3DES";
                case MachineKeyValidation.AES: 
                    return "AES";
                case MachineKeyValidation.HMACSHA256:
                    return "HMACSHA256";
                case MachineKeyValidation.HMACSHA384: 
                    return "HMACSHA384";
                case MachineKeyValidation.HMACSHA512: 
                    return "HMACSHA512"; 
                default:
                    throw new ArgumentException(SR.GetString(SR.Wrong_validation_enum)); 
            }
        }

        internal static MachineKeyValidation ConvertToEnum(string strValue) 
        {
            if (strValue==null) 
                return MachineKeySection.DefaultValidation; 

            switch (strValue) 
            {
                case "SHA1":
                    return MachineKeyValidation.SHA1;
                case "MD5": 
                    return MachineKeyValidation.MD5;
                case "3DES": 
                    return MachineKeyValidation.TripleDES; 
                case "AES":
                    return MachineKeyValidation.AES; 
                case "HMACSHA256":
                    return MachineKeyValidation.HMACSHA256;
                case "HMACSHA384":
                    return MachineKeyValidation.HMACSHA384; 
                case "HMACSHA512":
                    return MachineKeyValidation.HMACSHA512; 
                default: 
                    if (strValue.StartsWith("alg:", StringComparison.Ordinal))
                        return MachineKeyValidation.Custom; 
                    throw new ArgumentException(SR.GetString(SR.Wrong_validation_enum));
            }
        }
    } 
}

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

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