EndpointIdentity.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / EndpointIdentity.cs / 1 / EndpointIdentity.cs
                        
                        
                            //---------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.ServiceModel 
{
    using System; 
    using System.Net; 
    using System.Collections;
    using System.Collections.Generic; 
    using System.Diagnostics;
    using System.DirectoryServices;
    using System.DirectoryServices.ActiveDirectory;
    using System.Security.Principal; 
    using System.ServiceModel.Security;
    using System.IdentityModel.Claims; 
    using System.IdentityModel.Policy; 
    using System.ServiceModel.Channels;
    using System.ServiceModel.Diagnostics; 
    using System.Security.Cryptography;
    using System.Security.Cryptography.X509Certificates;
    using System.Xml;
    using System.Xml.Serialization; 

    public abstract class EndpointIdentity 
    { 
        internal const StoreLocation defaultStoreLocation = StoreLocation.LocalMachine;
        internal const StoreName defaultStoreName = StoreName.My; 
        internal const X509FindType defaultX509FindType = X509FindType.FindBySubjectDistinguishedName;

        Claim identityClaim;
        IEqualityComparer claimComparer; 

        protected EndpointIdentity() 
        { 
        }
 
        protected void Initialize(Claim identityClaim)
        {
            if (identityClaim == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("identityClaim"); 

            Initialize(identityClaim, null); 
        } 

        protected void Initialize(Claim identityClaim, IEqualityComparer claimComparer) 
        {
            if (identityClaim == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("identityClaim");
 
            this.identityClaim = identityClaim;
            this.claimComparer = claimComparer; 
        } 

        public Claim IdentityClaim 
        {
            get
            {
                if (this.identityClaim == null) 
                {
                    EnsureIdentityClaim(); 
                } 
                return this.identityClaim;
            } 
        }

        public static EndpointIdentity CreateIdentity(Claim identity)
        { 
            if (identity == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("identity"); 
 
            // PreSharp Bug: Parameter 'identity.ClaimType' to this public method must be validated: A null-dereference can occur here.
            #pragma warning suppress 56506 // Claim.ClaimType will never return null 
            if (identity.ClaimType.Equals(ClaimTypes.Dns))
            {
                return new DnsEndpointIdentity(identity);
            } 
            else if (identity.ClaimType.Equals(ClaimTypes.Spn))
            { 
                return new SpnEndpointIdentity(identity); 
            }
            else if (identity.ClaimType.Equals(ClaimTypes.Upn)) 
            {
                return new UpnEndpointIdentity(identity);
            }
            else if (identity.ClaimType.Equals(ClaimTypes.Rsa)) 
            {
                return new RsaEndpointIdentity(identity); 
            } 
            else
            { 
                return new GeneralEndpointIdentity(identity);
            }
        }
 
        public static EndpointIdentity CreateDnsIdentity(string dnsName)
        { 
            return new DnsEndpointIdentity(dnsName); 
        }
 
        public static EndpointIdentity CreateSpnIdentity(string spnName)
        {
            return new SpnEndpointIdentity(spnName);
        } 

        public static EndpointIdentity CreateUpnIdentity(string upnName) 
        { 
            return new UpnEndpointIdentity(upnName);
        } 

        public static EndpointIdentity CreateRsaIdentity(string publicKey)
        {
            return new RsaEndpointIdentity(publicKey); 
        }
 
        public static EndpointIdentity CreateRsaIdentity(X509Certificate2 certificate) 
        {
            return new RsaEndpointIdentity(certificate); 
        }

        public static EndpointIdentity CreateX509CertificateIdentity(X509Certificate2 certificate)
        { 
            return new X509CertificateEndpointIdentity(certificate);
        } 
 
        public static EndpointIdentity CreateX509CertificateIdentity(X509Certificate2 primaryCertificate, X509Certificate2Collection supportingCertificates)
        { 
            return new X509CertificateEndpointIdentity(primaryCertificate, supportingCertificates);
        }

        internal static EndpointIdentity CreateX509CertificateIdentity(X509Chain certificateChain) 
        {
            if (certificateChain == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("certificateChain"); 

            if (certificateChain.ChainElements.Count == 0) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.X509ChainIsEmpty));

            // The first element in the cert chain is the leaf certificate
            // we want. 
            X509Certificate2 primaryCertificate = certificateChain.ChainElements[0].Certificate;
            X509Certificate2Collection certificateCollection = new X509Certificate2Collection(); 
            for (int i = 1; i < certificateChain.ChainElements.Count; ++i) 
            {
                certificateCollection.Add(certificateChain.ChainElements[i].Certificate); 
            }

            return new X509CertificateEndpointIdentity(primaryCertificate, certificateCollection);
        } 

        internal virtual void EnsureIdentityClaim() 
        { 
        }
 
        public override bool Equals(object obj)
        {
            if (obj == (object) this)
                return true; 

            // as handles null do we need the double null check? 
            if (obj == null) 
                return false;
 
            EndpointIdentity otherIdentity = obj as EndpointIdentity;
            if (otherIdentity == null)
                return false;
 
            return Matches(otherIdentity.IdentityClaim);
        } 
 
        public override int GetHashCode()
        { 
            return GetClaimComparer().GetHashCode(this.IdentityClaim);
        }

        public override string ToString() 
        {
            return "identity(" + this.IdentityClaim + ")"; 
        } 

        internal bool Matches(Claim claim) 
        {
            return GetClaimComparer().Equals(this.IdentityClaim, claim);
        }
 
        IEqualityComparer GetClaimComparer()
        { 
            if (this.claimComparer == null) 
                this.claimComparer = Claim.DefaultComparer;
 
            return this.claimComparer;
        }

        internal static EndpointIdentity ReadIdentity(XmlDictionaryReader reader) 
        {
            if (reader == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 

            EndpointIdentity readIdentity = null; 

            reader.MoveToContent();
            if (reader.IsEmptyElement)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.UnexpectedEmptyElementExpectingClaim, XD.AddressingDictionary.Identity.Value, XD.AddressingDictionary.IdentityExtensionNamespace.Value))); 

            reader.ReadStartElement(XD.AddressingDictionary.Identity, XD.AddressingDictionary.IdentityExtensionNamespace); 
 
            if (reader.IsStartElement(XD.AddressingDictionary.Spn, XD.AddressingDictionary.IdentityExtensionNamespace))
                readIdentity = new SpnEndpointIdentity(reader.ReadElementString()); 
            else if (reader.IsStartElement(XD.AddressingDictionary.Upn, XD.AddressingDictionary.IdentityExtensionNamespace))
                readIdentity = new UpnEndpointIdentity(reader.ReadElementString());
            else if (reader.IsStartElement(XD.AddressingDictionary.Dns, XD.AddressingDictionary.IdentityExtensionNamespace))
                readIdentity = new DnsEndpointIdentity(reader.ReadElementString()); 
            else if (reader.IsStartElement(XD.XmlSignatureDictionary.KeyInfo, XD.XmlSignatureDictionary.Namespace))
            { 
                reader.ReadStartElement(); 
                if (reader.IsStartElement(XD.XmlSignatureDictionary.X509Data, XD.XmlSignatureDictionary.Namespace))
                { 
                    readIdentity = new X509CertificateEndpointIdentity(reader);
                }
                else if (reader.IsStartElement(XD.XmlSignatureDictionary.RsaKeyValue, XD.XmlSignatureDictionary.Namespace))
                { 
                    readIdentity = new RsaEndpointIdentity(reader);
                } 
                else 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.UnrecognizedIdentityType, reader.Name, reader.NamespaceURI))); 
                }
                reader.ReadEndElement();
            }
            else if (reader.NodeType == XmlNodeType.Element) 
            {
                // 
                // Something unknown 
                //
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.UnrecognizedIdentityType, reader.Name, reader.NamespaceURI))); 
            }
            else
            {
                // 
                // EndpointIdentity element is empty or some other invalid xml
                // 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidIdentityElement))); 
            }
 
            reader.ReadEndElement();

            return readIdentity;
        } 

        internal void WriteTo(XmlDictionaryWriter writer) 
        { 
            if (writer == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer"); 

            writer.WriteStartElement(XD.AddressingDictionary.Identity, XD.AddressingDictionary.IdentityExtensionNamespace);

            WriteContentsTo(writer); 

            writer.WriteEndElement(); 
        } 

        internal virtual void WriteContentsTo(XmlDictionaryWriter writer) 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.UnrecognizedIdentityPropertyType, this.IdentityClaim.GetType().ToString())));
        }
 
    }
 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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EndpointIdentity.cs source code in C# .NET

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