KerberosSecurityTokenProvider.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 / Selectors / KerberosSecurityTokenProvider.cs / 1305376 / KerberosSecurityTokenProvider.cs
                        

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

namespace System.IdentityModel.Selectors 
{
    using System.IdentityModel.Tokens; 
    using System.Net; 
    using System.Security.Authentication.ExtendedProtection;
    using System.Security.Principal; 

    public class KerberosSecurityTokenProvider : SecurityTokenProvider
    {
        string servicePrincipalName; 
        TokenImpersonationLevel tokenImpersonationLevel;
        NetworkCredential networkCredential; 
 
        public KerberosSecurityTokenProvider(string servicePrincipalName)
            : this(servicePrincipalName, TokenImpersonationLevel.Identification) 
        {
        }

        public KerberosSecurityTokenProvider(string servicePrincipalName, TokenImpersonationLevel tokenImpersonationLevel) 
            : this(servicePrincipalName, tokenImpersonationLevel, null)
        { 
        } 

        public KerberosSecurityTokenProvider(string servicePrincipalName, TokenImpersonationLevel tokenImpersonationLevel, NetworkCredential networkCredential) 
        {
            if (servicePrincipalName == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("servicePrincipalName");
            if (tokenImpersonationLevel != TokenImpersonationLevel.Identification && tokenImpersonationLevel != TokenImpersonationLevel.Impersonation) 
            {
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("tokenImpersonationLevel", 
                    SR.GetString(SR.ImpersonationLevelNotSupported, tokenImpersonationLevel))); 
            }
 
            this.servicePrincipalName = servicePrincipalName;
            this.tokenImpersonationLevel = tokenImpersonationLevel;
            this.networkCredential = networkCredential;
        } 

        public string ServicePrincipalName 
        { 
            get { return this.servicePrincipalName; }
        } 

        public TokenImpersonationLevel TokenImpersonationLevel
        {
            get { return this.tokenImpersonationLevel; } 
        }
 
        public NetworkCredential NetworkCredential 
        {
            get { return this.networkCredential; } 
        }

        internal SecurityToken GetToken(TimeSpan timeout, ChannelBinding channelbinding)
        { 
            return new KerberosRequestorSecurityToken(this.ServicePrincipalName,
                this.TokenImpersonationLevel, this.NetworkCredential, 
                SecurityUniqueId.Create().Value, channelbinding); 
        }
        protected override SecurityToken GetTokenCore(TimeSpan timeout) 
        {
            return this.GetToken(timeout, null);
        }
 
    }
} 

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

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