KerberosSecurityTokenProvider.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Selectors / KerberosSecurityTokenProvider.cs / 1 / KerberosSecurityTokenProvider.cs
                        

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

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

        protected override SecurityToken GetTokenCore(TimeSpan timeout)
        {
            return new KerberosRequestorSecurityToken(this.servicePrincipalName, this.tokenImpersonationLevel, this.networkCredential, SecurityUniqueId.Create().Value); 
        }
 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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