mcs/class/System.Web/System.Web.Configuration_2.0/MachineKeyValidationConverter.cs

   1 //
   2 // System.Web.Configuration.MachineKeyValidationConverter
   3 //
   4 // Authors:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // Copyright (C) 2005, 2010 Novell, Inc (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.ComponentModel;
  33 using System.Configuration;
  34 using System.Globalization;
  35
  36
  37 namespace System.Web.Configuration {
  38
  39         public sealed class MachineKeyValidationConverter : ConfigurationConverterBase
  40         {
  41                 const string InvalidValue = "The enumeration value must be one of the following: SHA1, MD5, 3DES, AES, HMACSHA256, HMACSHA384, HMACSHA512.";
  42                 public MachineKeyValidationConverter ()
  43                 {
  44                 }
  45
  46                 public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
  47                 {
  48                         switch ((string) data) {
  49                         case "MD5":
  50                                 return MachineKeyValidation.MD5;
  51                         case "SHA1":
  52                                 return MachineKeyValidation.SHA1;
  53                         case "3DES":
  54                                 return MachineKeyValidation.TripleDES;
  55                         case "AES":
  56                                 return MachineKeyValidation.AES;
  57                         case "HMACSHA256":
  58                                 return MachineKeyValidation.HMACSHA256;
  59                         case "HMACSHA384":
  60                                 return MachineKeyValidation.HMACSHA384;
  61                         case "HMACSHA512":
  62                                 return MachineKeyValidation.HMACSHA512;
  63                         default:
  64                                 throw new ArgumentException (InvalidValue);
  65                         }
  66                 }
  67
  68                 public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
  69                 {
  70                         if ((value == null) || (value.GetType () != typeof (MachineKeyValidation)))
  71                                 throw new ArgumentException (InvalidValue);
  72
  73                         switch ((MachineKeyValidation) value) {
  74                         case MachineKeyValidation.MD5:
  75                                 return "MD5";
  76                         case MachineKeyValidation.SHA1:
  77                                 return "SHA1";
  78                         case MachineKeyValidation.TripleDES:
  79                                 return "3DES";
  80                         case MachineKeyValidation.AES:
  81                                 return "AES";
  82                         case MachineKeyValidation.HMACSHA256:
  83                                 return "HMACSHA256";
  84                         case MachineKeyValidation.HMACSHA384:
  85                                 return "HMACSHA384";
  86                         case MachineKeyValidation.HMACSHA512:
  87                                 return "HMACSHA512";
  88                         default:
  89                                 // includes MachineKeyValidation.Custom
  90                                 throw new ArgumentException (InvalidValue);
  91                         }
  92                 }
  93         }
  94 }
  95