class/System.ServiceModel/System.ServiceModel.Security.Tokens/BinarySecretSecurityToken.cs

   1 //
   2 // BinarySecretSecurityToken.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Collections.ObjectModel;
  30 using System.Xml;
  31 using System.IdentityModel.Policy;
  32 using System.IdentityModel.Tokens;
  33
  34 namespace System.ServiceModel.Security.Tokens
  35 {
  36         public class BinarySecretSecurityToken : SecurityToken
  37         {
  38                 ReadOnlyCollection<SecurityKey> keys;
  39
  40                 string id;
  41                 byte [] key;
  42                 bool allow_crypto;
  43                 DateTime valid_from = DateTime.Now.ToUniversalTime ();
  44
  45                 BinarySecretSecurityToken (string id, bool allowCrypto)
  46                 {
  47                         this.id = id;
  48                         allow_crypto = allowCrypto;
  49                 }
  50
  51                 public BinarySecretSecurityToken (byte [] key)
  52                         : this ("uuid:" + Guid.NewGuid ().ToString (), key)
  53                 {
  54                 }
  55
  56                 public BinarySecretSecurityToken (string id, byte [] key)
  57                         : this (id, key, false)
  58                 {
  59                 }
  60
  61                 protected BinarySecretSecurityToken (string id, byte [] key, bool allowCrypto)
  62                         : this (id, allowCrypto)
  63                 {
  64                         if (key == null)
  65                                 throw new ArgumentNullException ("key");
  66                         this.key = key;
  67
  68                         SecurityKey [] arr = new SecurityKey [] {new InMemorySymmetricSecurityKey (key)};
  69                         keys = new ReadOnlyCollection<SecurityKey> (arr);
  70                 }
  71
  72                 public BinarySecretSecurityToken (int keySizeInBits)
  73                         : this ("uuid:" + Guid.NewGuid ().ToString (), keySizeInBits)
  74                 {
  75                 }
  76
  77                 public BinarySecretSecurityToken (string id, int keySizeInBits)
  78                         : this (id, keySizeInBits, false)
  79                 {
  80                 }
  81
  82                 protected BinarySecretSecurityToken (string id, int keySizeInBits, bool allowCrypto)
  83                         : this (id, allowCrypto)
  84                 {
  85                         if (keySizeInBits < 0)
  86                                 throw new ArgumentOutOfRangeException ("keySizeInBits");
  87
  88                         this.key = new byte [keySizeInBits >> 3 + (keySizeInBits % 8 == 0 ? 0 : 1)];
  89
  90                         SecurityKey [] arr = new SecurityKey [] {new InMemorySymmetricSecurityKey (key)};
  91                         keys = new ReadOnlyCollection<SecurityKey> (arr);
  92                 }
  93
  94                 public override DateTime ValidFrom {
  95                         get { return valid_from; }
  96                 }
  97
  98                 public override DateTime ValidTo {
  99                         get { return DateTime.MaxValue.AddDays (-1); }
 100                 }
 101
 102                 public override string Id {
 103                         get { return id; }
 104                 }
 105
 106                 public override ReadOnlyCollection<SecurityKey> SecurityKeys {
 107                         get { return keys; }
 108                 }
 109
 110                 public byte [] GetKeyBytes ()
 111                 {
 112                         return (byte []) key.Clone ();
 113                 }
 114         }
 115 }