class/System.IdentityModel/System.IdentityModel.Tokens/SamlAttribute.cs

   1 //
   2 // SamlAttribute.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005-2006 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.Generic;
  30 using System.Collections.ObjectModel;
  31 using System.Xml;
  32 using System.IdentityModel.Claims;
  33 using System.IdentityModel.Selectors;
  34
  35 namespace System.IdentityModel.Tokens
  36 {
  37         public class SamlAttribute
  38         {
  39                 bool is_readonly;
  40                 string name, ns;
  41                 List<string> attribute_values;
  42
  43                 public SamlAttribute ()
  44                 {
  45                         attribute_values = new List<string> ();
  46                 }
  47
  48                 public SamlAttribute (Claim claim)
  49                 {
  50                         if (claim == null)
  51                                 throw new ArgumentNullException ("claim");
  52                         if (claim.ClaimType == null)
  53                                 throw new ArgumentException ("Claim type is null.");
  54                         int idx = claim.ClaimType.LastIndexOf ('/');
  55                         if (idx <= 0 || idx == claim.ClaimType.Length - 1)
  56                                 throw new ArgumentException ("Claim type does not contain '/' or it is at improper position.");
  57                         name = claim.ClaimType.Substring (idx + 1);
  58                         ns = claim.ClaimType.Substring (0, idx);
  59
  60                         if (claim.Resource != null && !(claim.Resource is string))
  61                                 throw new ArgumentException ("Claim resource is not a string.");
  62
  63                         attribute_values = new List<string> ();
  64                         attribute_values.Add ((string) claim.Resource);
  65
  66                         if (claim.Right != Rights.PossessProperty)
  67                                 throw new ArgumentException ("Claim right is not PossessProperty");
  68                 }
  69
  70                 public SamlAttribute (string attributeNamespace,
  71                         string attributeName,
  72                         IEnumerable<string> attributeValues)
  73                 {
  74                         ns = attributeNamespace;
  75                         name = attributeName;
  76                         attribute_values = new List<string> (attributeValues);
  77                 }
  78
  79                 public IList<string> AttributeValues {
  80                         get { return attribute_values; }
  81                 }
  82
  83                 public string Name {
  84                         get { return name; }
  85                         set {
  86                                 CheckReadOnly ();
  87                                 name = value;
  88                         }
  89                 }
  90
  91                 public string Namespace {
  92                         get { return ns; }
  93                         set {
  94                                 CheckReadOnly ();
  95                                 ns = value;
  96                         }
  97                 }
  98
  99                 public bool IsReadOnly {
 100                         get { return is_readonly; }
 101                 }
 102
 103                 private void CheckReadOnly ()
 104                 {
 105                         if (is_readonly)
 106                                 throw new InvalidOperationException ("This SAML assertion is read-only.");
 107                 }
 108
 109                 public void MakeReadOnly ()
 110                 {
 111                         is_readonly = true;
 112                 }
 113
 114                 [MonoTODO]
 115                 public virtual void ReadXml (XmlDictionaryReader reader,
 116                         SamlSerializer samlSerializer,
 117                         SecurityTokenSerializer keyInfoTokenSerializer,
 118                         SecurityTokenResolver outOfBandTokenResolver)
 119                 {
 120                         throw new NotImplementedException ();
 121                 }
 122
 123                 public virtual void WriteXml (XmlDictionaryWriter writer,
 124                         SamlSerializer samlSerializer,
 125                         SecurityTokenSerializer keyInfoTokenSerializer)
 126                 {
 127                         writer.WriteStartElement ("saml", "Attribute", SamlConstants.Namespace);
 128                         writer.WriteAttributeString ("AttributeName", Name);
 129                         writer.WriteAttributeString ("AttributeNamespace", Namespace);
 130                         foreach (string s in AttributeValues)
 131                                 writer.WriteElementString ("saml", "AttributeValue", SamlConstants.Namespace, s);
 132                         writer.WriteEndElement ();
 133                 }
 134
 135                 [MonoTODO]
 136                 public virtual ReadOnlyCollection<Claim> ExtractClaims ()
 137                 {
 138                         throw new NotImplementedException ();
 139                 }
 140         }
 141 }