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 //
   7 // (c) Copyright 2005 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.ComponentModel;
  33 using System.Configuration;
  34 using System.Globalization;
  35
  36 #if NET_2_0
  37
  38 namespace System.Web.Configuration {
  39
  40         public sealed class MachineKeyValidationConverter : ConfigurationConverterBase
  41         {
  42                 public MachineKeyValidationConverter ()
  43                 {
  44                 }
  45
  46                 public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
  47                 {
  48                         if ((string)data == "MD5")
  49                                 return MachineKeyValidation.MD5;
  50                         else if ((string)data == "SHA1")
  51                                 return MachineKeyValidation.SHA1;
  52                         else if ((string)data == "3DES")
  53                                 return MachineKeyValidation.TripleDES;
  54                         else if ((string)data == "AES")
  55                                 return MachineKeyValidation.AES;
  56                         else
  57                                 throw new ArgumentException ("The enumeration value must be one of the following: SHA1, MD5, 3DES, AES.");
  58                 }
  59
  60                 public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
  61                 {
  62                         if (value.GetType () != typeof (MachineKeyValidation)) {
  63                                 /* MS throws this exception on an invalid */
  64                                 throw new FormatException ("invalid validation value");
  65                         }
  66
  67                         MachineKeyValidation v = (MachineKeyValidation)value;
  68
  69                         if (v == MachineKeyValidation.MD5) return "MD5";
  70                         else if (v == MachineKeyValidation.SHA1) return "SHA1";
  71                         else if (v == MachineKeyValidation.TripleDES) return "3DES";
  72                         else if (v ==  MachineKeyValidation.AES) return "AES";
  73                         else
  74                                 /* MS throws this exception on an invalid */
  75                                 throw new FormatException ("invalid validation value");
  76                 }
  77         }
  78 }
  79
  80 #endif