SecurityContextSecurityTokenAuthenticator.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 / ServiceModel / System / ServiceModel / Security / Tokens / SecurityContextSecurityTokenAuthenticator.cs / 1 / SecurityContextSecurityTokenAuthenticator.cs
                        

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

namespace System.ServiceModel.Security.Tokens 
{
    using System; 
    using System.ServiceModel; 
    using System.Collections.ObjectModel;
    using System.IdentityModel.Selectors; 
    using System.IdentityModel.Tokens;
    using System.IdentityModel.Policy;
    using System.Xml;
 
    public class SecurityContextSecurityTokenAuthenticator : SecurityTokenAuthenticator
    { 
        public SecurityContextSecurityTokenAuthenticator() 
            : base()
        { } 

        protected override bool CanValidateTokenCore(SecurityToken token)
        {
            return (token is SecurityContextSecurityToken); 
        }
 
        protected override ReadOnlyCollection ValidateTokenCore(SecurityToken token) 
        {
            SecurityContextSecurityToken sct = (SecurityContextSecurityToken)token; 
            if (!IsTimeValid(sct))
            {
                this.ThrowExpiredContextFaultException(sct.ContextId, sct);
            } 

            return sct.AuthorizationPolicies; 
        } 

        void ThrowExpiredContextFaultException(UniqueId contextId, SecurityContextSecurityToken sct) 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperWarning(new SecurityContextTokenValidationException(SR.GetString(SR.SecurityContextExpired, contextId, sct.KeyGeneration == null ? "none" : sct.KeyGeneration.ToString())));
        }
 
        bool IsTimeValid(SecurityContextSecurityToken sct)
        { 
            DateTime utcNow = DateTime.UtcNow; 
            return (sct.ValidFrom <= utcNow && sct.ValidTo >= utcNow && sct.KeyEffectiveTime <= utcNow);
        } 
   }
}

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

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