SecurityTokenAuthenticator.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 / SecurityTokenAuthenticator.cs / 1305376 / SecurityTokenAuthenticator.cs
                        

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

namespace System.IdentityModel.Selectors 
{
    using System.Collections.ObjectModel; 
    using System.IdentityModel.Policy; 
    using System.IdentityModel.Tokens;
 
    public abstract class SecurityTokenAuthenticator
    {
        protected SecurityTokenAuthenticator() { }
 
        public bool CanValidateToken(SecurityToken token)
        { 
            if (token == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("token"); 
            }
            return this.CanValidateTokenCore(token);
        }
 
        public ReadOnlyCollection ValidateToken(SecurityToken token)
        { 
            if (token == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("token"); 
            }
            if (!CanValidateToken(token))
            {
                // warning 56506: Parameter 'token' to this public method must be validated:  A null-dereference can occur here. 
#pragma warning suppress 56506
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenValidationException(SR.GetString(SR.CannotValidateSecurityTokenType, this, token.GetType()))); 
            } 

            ReadOnlyCollection authorizationPolicies = ValidateTokenCore(token); 
            if (authorizationPolicies == null)
            {
                throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenValidationException(SR.GetString(SR.CannotValidateSecurityTokenType, this, token.GetType())));
            } 
            return authorizationPolicies;
        } 
 
        protected abstract bool CanValidateTokenCore(SecurityToken token);
        protected abstract ReadOnlyCollection ValidateTokenCore(SecurityToken token); 
    }
}

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

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