SamlAudienceRestrictionCondition.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Tokens / SamlAudienceRestrictionCondition.cs / 1305376 / SamlAudienceRestrictionCondition.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.IdentityModel.Tokens 
{
    using System.Collections; 
    using System.Collections.Generic; 
    using System.Collections.ObjectModel;
    using System.Globalization; 
    using System.IdentityModel;
    using System.IdentityModel.Selectors;
    using System.Xml;
    using System.Xml.Schema; 
    using System.Xml.Serialization;
 
    public class SamlAudienceRestrictionCondition : SamlCondition 
    {
        readonly ImmutableCollection audiences = new ImmutableCollection(); 
        bool isReadOnly = false;

        public SamlAudienceRestrictionCondition(IEnumerable audiences)
        { 
            if (audiences == null)
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("audiences")); 
 
            foreach (Uri audience in audiences)
            { 
                if (audience == null)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.SAMLEntityCannotBeNullOrEmpty, XD.SamlDictionary.Audience.Value));

                this.audiences.Add(audience); 
            }
 
 
            CheckObjectValidity();
        } 

        public SamlAudienceRestrictionCondition()
        {
        } 

        public IList Audiences 
        { 
            get {return this.audiences; }
        } 

        public override bool IsReadOnly
        {
            get { return this.isReadOnly; } 
        }
 
        public override void MakeReadOnly() 
        {
            if (!this.isReadOnly) 
            {
                this.audiences.MakeReadOnly();

                this.isReadOnly = true; 
            }
        } 
 
        void CheckObjectValidity()
        { 
            if (this.audiences.Count == 0)
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SAMLAudienceRestrictionShouldHaveOneAudience)));
        }
 
        public override void ReadXml(XmlDictionaryReader reader, SamlSerializer samlSerializer, SecurityTokenSerializer keyInfoSerializer, SecurityTokenResolver outOfBandTokenResolver)
        { 
            if (reader == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("reader"));
 
            if (samlSerializer == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("samlSerializer"));

#pragma warning suppress 56506 // samlSerializer.DictionaryManager is never null. 
            SamlDictionary dictionary = samlSerializer.DictionaryManager.SamlDictionary;
 
            reader.MoveToContent(); 
            reader.Read();
            while (reader.IsStartElement()) 
            {
                if (reader.IsStartElement(dictionary.Audience, dictionary.Namespace))
                {
                    reader.MoveToContent(); 
                    string audience = reader.ReadString();
                    if (String.IsNullOrEmpty(audience)) 
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SAMLAudienceRestrictionInvalidAudienceValueOnRead))); 

                    this.audiences.Add(new Uri(audience)); 
                    reader.MoveToContent();
                    reader.ReadEndElement();
                }
                else 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SAMLBadSchema, dictionary.AudienceRestrictionCondition.Value))); 
                } 
            }
 
            if (this.audiences.Count == 0)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SAMLAudienceRestrictionShouldHaveOneAudienceOnRead)));

            reader.MoveToContent(); 
            reader.ReadEndElement();
        } 
 
        public override void WriteXml(XmlDictionaryWriter writer, SamlSerializer samlSerializer, SecurityTokenSerializer keyInfoSerializer)
        { 
            CheckObjectValidity();

            if (writer == null)
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("writer")); 

            if (samlSerializer == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("samlSerializer")); 

#pragma warning suppress 56506 // samlSerializer.DictionaryManager is never null. 
            SamlDictionary dictionary = samlSerializer.DictionaryManager.SamlDictionary;

            writer.WriteStartElement(dictionary.PreferredPrefix.Value, dictionary.AudienceRestrictionCondition, dictionary.Namespace);
 
            for (int i = 0; i < this.audiences.Count; i++)
            { 
                writer.WriteElementString(dictionary.Audience, dictionary.Namespace, this.audiences[i].AbsoluteUri); 
            }
 
            writer.WriteEndElement();
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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