mcs/class/System.IdentityModel/System.IdentityModel.Tokens/SamlAdvice.cs

   1 //
   2 // SamlAdvice.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005 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.Xml;
  31 using System.IdentityModel.Selectors;
  32
  33 namespace System.IdentityModel.Tokens
  34 {
  35         public class SamlAdvice
  36         {
  37                 List<string> idrefs = new List<string> ();
  38                 List<SamlAssertion> assertions = new List<SamlAssertion> ();
  39                 bool is_readonly;
  40
  41                 public SamlAdvice ()
  42                 {
  43                 }
  44
  45                 public SamlAdvice (IEnumerable<SamlAssertion> assertions)
  46                         : this (new string [0], assertions)
  47                 {
  48                 }
  49
  50                 public SamlAdvice (IEnumerable<string> references)
  51                         : this (references, new SamlAssertion [0])
  52                 {
  53                 }
  54
  55                 public SamlAdvice (IEnumerable<string> references, IEnumerable<SamlAssertion> assertions)
  56                 {
  57                         if (references == null)
  58                                 throw new ArgumentException ("references are null.");
  59                         if (assertions == null)
  60                                 throw new ArgumentException ("assertions are null.");
  61                         foreach (string r in references) {
  62                                 if (r == null)
  63                                         throw new ArgumentException ("references contain null item.");
  64                                 idrefs.Add (r);
  65                         }
  66                         foreach (SamlAssertion a in assertions) {
  67                                 if (a == null)
  68                                         throw new ArgumentException ("assertions contain null item.");
  69                                 this.assertions.Add (a);
  70                         }
  71                 }
  72
  73                 public bool IsReadOnly {
  74                         get { return is_readonly; }
  75                 }
  76
  77                 public IList<SamlAssertion> Assertions {
  78                         get { return assertions; }
  79                 }
  80
  81                 public IList<string> AssertionIdReferences {
  82                         get { return idrefs; }
  83                 }
  84
  85                 public void MakeReadOnly ()
  86                 {
  87                         is_readonly = true;
  88                 }
  89
  90                 public virtual void ReadXml (XmlDictionaryReader reader,
  91                         SamlSerializer samlSerializer,
  92                         SecurityTokenSerializer keyInfoTokenSerializer,
  93                         SecurityTokenResolver outOfBandTokenResolver)
  94                 {
  95                         if (reader == null)
  96                                 throw new ArgumentNullException ("reader");
  97                         if (samlSerializer == null)
  98                                 throw new ArgumentNullException ("samlSerializer");
  99                         reader.ReadStartElement ("Advice", SamlConstants.Namespace);
 100                         for (reader.MoveToContent ();
 101                              reader.NodeType == XmlNodeType.Element;
 102                              reader.MoveToContent ()) {
 103                                 if (reader.NamespaceURI != SamlConstants.Namespace)
 104                                         throw new SecurityTokenException (String.Format ("Invalid SAML Advice element: element '{0}' in namespace '{1}' is unexpected.", reader.LocalName, reader.NamespaceURI));
 105                                 switch (reader.LocalName) {
 106                                 case "Assertion":
 107                                         SamlAssertion a = new SamlAssertion ();
 108                                         a.ReadXml (reader, samlSerializer, keyInfoTokenSerializer, outOfBandTokenResolver);
 109                                         assertions.Add (a);
 110                                         break;
 111                                 case "AssertionIDReference":
 112                                         idrefs.Add (reader.ReadElementContentAsString ());
 113                                         break;
 114                                 default:
 115                                         throw new SecurityTokenException (String.Format ("Invalid SAML Advice element: SAML element '{0}' is unexpected.", reader.LocalName));
 116                                 }
 117                         }
 118                         reader.ReadEndElement ();
 119                 }
 120
 121                 public virtual void WriteXml (XmlDictionaryWriter writer,
 122                         SamlSerializer samlSerializer,
 123                         SecurityTokenSerializer keyInfoTokenSerializer)
 124                 {
 125                         if (writer == null)
 126                                 throw new ArgumentNullException ("writer");
 127                         if (samlSerializer == null)
 128                                 throw new ArgumentNullException ("samlSerializer");
 129                         writer.WriteStartElement ("saml", "Advice", SamlConstants.Namespace);
 130                         foreach (string idref in AssertionIdReferences)
 131                                 writer.WriteElementString ("saml", "AssertionIDReference", SamlConstants.Namespace, idref);
 132                         foreach (SamlAssertion assertion in Assertions)
 133                                 assertion.WriteXml (writer, samlSerializer, keyInfoTokenSerializer);
 134                         writer.WriteEndElement ();
 135                 }
 136         }
 137 }