X509SecurityToken.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Tokens / X509SecurityToken.cs / 1305376 / X509SecurityToken.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Tokens 
{
    using System.Collections.Generic; 
    using System.Collections.ObjectModel; 
    using System.Security.Cryptography.X509Certificates;
 
    public class X509SecurityToken : SecurityToken, IDisposable
    {
        string id;
        X509Certificate2 certificate; 
        ReadOnlyCollection securityKeys;
        DateTime effectiveTime = SecurityUtils.MaxUtcDateTime; 
        DateTime expirationTime = SecurityUtils.MinUtcDateTime; 
        bool disposed = false;
        bool disposable; 

        public X509SecurityToken(X509Certificate2 certificate)
            : this(certificate, SecurityUniqueId.Create().Value)
        { 
        }
 
        public X509SecurityToken(X509Certificate2 certificate, string id) 
            : this(certificate, id, true)
        { 
        }

        internal X509SecurityToken(X509Certificate2 certificate, bool clone)
            : this(certificate, SecurityUniqueId.Create().Value, clone) 
        {
        } 
 
        internal X509SecurityToken(X509Certificate2 certificate, bool clone, bool disposable)
            : this(certificate, SecurityUniqueId.Create().Value, clone, disposable) 
        {
        }

        internal X509SecurityToken(X509Certificate2 certificate, string id, bool clone) 
            : this(certificate, id, clone, true)
        { 
        } 

        internal X509SecurityToken(X509Certificate2 certificate, string id, bool clone, bool disposable) 
        {
            if (certificate == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("certificate");
            if (id == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("id");
 
            this.id = id; 
            this.certificate = clone ? new X509Certificate2(certificate) : certificate;
            // if the cert needs to be cloned then the token owns the clone and should dispose it 
            this.disposable = clone || disposable;
        }

        public override string Id 
        {
            get { return this.id; } 
        } 

        public override ReadOnlyCollection SecurityKeys 
        {
            get
            {
                ThrowIfDisposed(); 
                if (this.securityKeys == null)
                { 
                    List temp = new List(1); 
                    temp.Add(new X509AsymmetricSecurityKey(this.certificate));
                    this.securityKeys = temp.AsReadOnly(); 
                }
                return this.securityKeys;
            }
        } 

        public override DateTime ValidFrom 
        { 
            get
            { 
                ThrowIfDisposed();
                if (this.effectiveTime == SecurityUtils.MaxUtcDateTime)
                    this.effectiveTime = this.certificate.NotBefore.ToUniversalTime();
                return this.effectiveTime; 
            }
        } 
 
        public override DateTime ValidTo
        { 
            get
            {
                ThrowIfDisposed();
                if (this.expirationTime == SecurityUtils.MinUtcDateTime) 
                    this.expirationTime = this.certificate.NotAfter.ToUniversalTime();
                return this.expirationTime; 
            } 
        }
 
        public X509Certificate2 Certificate
        {
            get
            { 
                ThrowIfDisposed();
                return this.certificate; 
            } 
        }
 
        public override bool CanCreateKeyIdentifierClause()
        {
            ThrowIfDisposed();
            if (typeof(T) == typeof(X509SubjectKeyIdentifierClause)) 
                return X509SubjectKeyIdentifierClause.CanCreateFrom(certificate);
 
            return typeof(T) == typeof(X509ThumbprintKeyIdentifierClause) || 
                   typeof(T) == typeof(X509IssuerSerialKeyIdentifierClause) ||
                   typeof(T) == typeof(X509RawDataKeyIdentifierClause) || 
                   base.CanCreateKeyIdentifierClause();
        }

        public override T CreateKeyIdentifierClause() 
        {
            ThrowIfDisposed(); 
            if (typeof(T) == typeof(X509SubjectKeyIdentifierClause)) 
            {
                X509SubjectKeyIdentifierClause x509KeyIdentifierClause; 
                if (X509SubjectKeyIdentifierClause.TryCreateFrom(certificate, out x509KeyIdentifierClause))
                    return x509KeyIdentifierClause as T;
            }
            else if (typeof(T) == typeof(X509ThumbprintKeyIdentifierClause)) 
            {
                return new X509ThumbprintKeyIdentifierClause(certificate) as T; 
            } 
            else if (typeof(T) == typeof(X509IssuerSerialKeyIdentifierClause))
            { 
                return new X509IssuerSerialKeyIdentifierClause(certificate) as T;
            }
            else if (typeof(T) == typeof(X509RawDataKeyIdentifierClause))
            { 
                return new X509RawDataKeyIdentifierClause(certificate) as T;
            } 
 
            return base.CreateKeyIdentifierClause();
        } 

        public override bool MatchesKeyIdentifierClause(SecurityKeyIdentifierClause keyIdentifierClause)
        {
            ThrowIfDisposed(); 
            X509SubjectKeyIdentifierClause subjectKeyIdentifierClause = keyIdentifierClause as X509SubjectKeyIdentifierClause;
            if (subjectKeyIdentifierClause != null) 
                return subjectKeyIdentifierClause.Matches(certificate); 

            X509ThumbprintKeyIdentifierClause thumbprintKeyIdentifierClause = keyIdentifierClause as X509ThumbprintKeyIdentifierClause; 
            if (thumbprintKeyIdentifierClause != null)
                return thumbprintKeyIdentifierClause.Matches(certificate);

            X509IssuerSerialKeyIdentifierClause issuerKeyIdentifierClause = keyIdentifierClause as X509IssuerSerialKeyIdentifierClause; 
            if (issuerKeyIdentifierClause != null)
                return issuerKeyIdentifierClause.Matches(certificate); 
 
            X509RawDataKeyIdentifierClause rawCertKeyIdentifierClause = keyIdentifierClause as X509RawDataKeyIdentifierClause;
            if (rawCertKeyIdentifierClause != null) 
                return rawCertKeyIdentifierClause.Matches(certificate);

            return base.MatchesKeyIdentifierClause(keyIdentifierClause);
        } 

        public virtual void Dispose() 
        { 
            if (this.disposable && !this.disposed)
            { 
                this.disposed = true;
                this.certificate.Reset();
            }
        } 

        protected void ThrowIfDisposed() 
        { 
            if (this.disposed)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ObjectDisposedException(this.GetType().FullName));
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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X509SecurityToken.cs source code in C# .NET

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