SecurityStandardsManager.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 / SecurityStandardsManager.cs / 1 / SecurityStandardsManager.cs

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

namespace System.ServiceModel.Security 
{
    using System.Collections.Generic; 
    using System.ServiceModel.Channels; 
    using System.ServiceModel;
    using System.ServiceModel.Description; 
    using System.ServiceModel.Security.Tokens;
    using System.Collections.ObjectModel;
    using System.IdentityModel.Policy;
    using System.IdentityModel.Selectors; 
    using System.IdentityModel.Tokens;
 
    using System.Xml; 
    using System.Runtime.CompilerServices;
 
    class SecurityStandardsManager
    {
        static SecurityStandardsManager instance;
 
        readonly SecureConversationDriver secureConversationDriver;
        readonly TrustDriver trustDriver; 
        readonly SignatureTargetIdManager idManager; 
        readonly MessageSecurityVersion messageSecurityVersion;
        readonly WSUtilitySpecificationVersion wsUtilitySpecificationVersion; 
        readonly SecurityTokenSerializer tokenSerializer;
        WSSecurityTokenSerializer wsSecurityTokenSerializer;

        [MethodImpl(MethodImplOptions.NoInlining)] 
        public SecurityStandardsManager()
            : this(WSSecurityTokenSerializer.DefaultInstance) 
        { 
        }
 
        public SecurityStandardsManager(SecurityTokenSerializer tokenSerializer)
            : this(MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11, tokenSerializer)
        {
        } 

        public SecurityStandardsManager(MessageSecurityVersion messageSecurityVersion, SecurityTokenSerializer tokenSerializer) 
        { 
            if (messageSecurityVersion == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("messageSecurityVersion")); 
            if (tokenSerializer == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("tokenSerializer");

            this.messageSecurityVersion = messageSecurityVersion; 
            this.tokenSerializer = tokenSerializer;
            if (messageSecurityVersion.SecureConversationVersion == SecureConversationVersion.WSSecureConversation13) 
                this.secureConversationDriver = new WSSecureConversationDec2005.DriverDec2005(); 
            else
                this.secureConversationDriver = new WSSecureConversationFeb2005.DriverFeb2005(); 

            if (this.SecurityVersion == SecurityVersion.WSSecurity10 || this.SecurityVersion == SecurityVersion.WSSecurity11)
            {
                this.idManager = WSSecurityJan2004.IdManager.Instance; 
            }
            else 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("messageSecurityVersion", SR.GetString(SR.MessageSecurityVersionOutOfRange)));
            } 

            this.wsUtilitySpecificationVersion = WSUtilitySpecificationVersion.Default;
            if (messageSecurityVersion.MessageSecurityTokenVersion.TrustVersion == TrustVersion.WSTrust13)
                this.trustDriver = new WSTrustDec2005.DriverDec2005(this); 
            else
                this.trustDriver = new WSTrustFeb2005.DriverFeb2005(this); 
        } 

        public static SecurityStandardsManager DefaultInstance 
        {
            get
            {
                if (instance == null) 
                    instance = new SecurityStandardsManager();
                return instance; 
            } 
        }
 
        public SecurityVersion SecurityVersion
        {
            get { return this.messageSecurityVersion == null ? null : this.messageSecurityVersion.SecurityVersion; }
        } 

        public MessageSecurityVersion MessageSecurityVersion 
        { 
            get { return this.messageSecurityVersion; }
        } 

        public TrustVersion TrustVersion
        {
            get { return this.messageSecurityVersion.TrustVersion; } 
        }
 
        public SecureConversationVersion SecureConversationVersion 
        {
            get { return this.messageSecurityVersion.SecureConversationVersion; } 
        }

        internal SecurityTokenSerializer SecurityTokenSerializer
        { 
            get { return this.tokenSerializer; }
        } 
 
        internal WSUtilitySpecificationVersion WSUtilitySpecificationVersion
        { 
            get { return this.wsUtilitySpecificationVersion; }
        }

        internal SignatureTargetIdManager IdManager 
        {
            get { return this.idManager; } 
        } 

        internal SecureConversationDriver SecureConversationDriver 
        {
            get { return this.secureConversationDriver; }
        }
 
        internal TrustDriver TrustDriver
        { 
            get { return this.trustDriver; } 
        }
 
        WSSecurityTokenSerializer WSSecurityTokenSerializer
        {
            get
            { 
                if (this.wsSecurityTokenSerializer == null)
                { 
                    WSSecurityTokenSerializer wsSecurityTokenSerializer = this.tokenSerializer as WSSecurityTokenSerializer; 
                    if (wsSecurityTokenSerializer == null)
                    { 
                        wsSecurityTokenSerializer = new WSSecurityTokenSerializer(this.SecurityVersion);
                    }
                    this.wsSecurityTokenSerializer = wsSecurityTokenSerializer;
                } 
                return this.wsSecurityTokenSerializer;
            } 
        } 

        internal SecurityKeyIdentifierClause CreateKeyIdentifierClauseFromTokenXml(XmlElement element, SecurityTokenReferenceStyle tokenReferenceStyle) 
        {
            return this.WSSecurityTokenSerializer.CreateKeyIdentifierClauseFromTokenXml(element, tokenReferenceStyle);
        }
 
        internal SendSecurityHeader CreateSendSecurityHeader(Message message,
            string actor, bool mustUnderstand, bool relay, 
            SecurityAlgorithmSuite algorithmSuite, MessageDirection direction) 
        {
            return this.SecurityVersion.CreateSendSecurityHeader(message, actor, mustUnderstand, relay, this, algorithmSuite, direction); 
        }

        internal ReceiveSecurityHeader CreateReceiveSecurityHeader(Message message,
            string actor, 
            SecurityAlgorithmSuite algorithmSuite, MessageDirection direction)
        { 
            ReceiveSecurityHeader header = TryCreateReceiveSecurityHeader(message, actor, algorithmSuite, direction); 
            if (header == null)
            { 
                if (String.IsNullOrEmpty(actor))
                    throw System.ServiceModel.Diagnostics.TraceUtility.ThrowHelperError(new MessageSecurityException(
                        SR.GetString(SR.UnableToFindSecurityHeaderInMessageNoActor)), message);
                else 
                    throw System.ServiceModel.Diagnostics.TraceUtility.ThrowHelperError(new MessageSecurityException(
                        SR.GetString(SR.UnableToFindSecurityHeaderInMessage, actor)), message); 
            } 
            return header;
        } 

        internal ReceiveSecurityHeader TryCreateReceiveSecurityHeader(Message message,
            string actor,
            SecurityAlgorithmSuite algorithmSuite, MessageDirection direction) 
        {
            return this.SecurityVersion.TryCreateReceiveSecurityHeader(message, actor, this, algorithmSuite, direction); 
        } 

        internal bool DoesMessageContainSecurityHeader(Message message) 
        {
            return this.SecurityVersion.DoesMessageContainSecurityHeader(message);
        }
 
        internal bool TryGetSecurityContextIds(Message message, string[] actors, bool isStrictMode, ICollection results)
        { 
            if (results == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("results"); 
            }
            SecureConversationDriver driver = this.SecureConversationDriver;
            int securityHeaderIndex = this.SecurityVersion.FindIndexOfSecurityHeader(message, actors);
            if (securityHeaderIndex < 0) 
            {
                return false; 
            } 
            bool addedContextIds = false;
            using (XmlDictionaryReader reader = message.Headers.GetReaderAtHeader(securityHeaderIndex)) 
            {
                if (!reader.IsStartElement())
                {
                    return false; 
                }
                if (reader.IsEmptyElement) 
                { 
                    return false;
                } 
                reader.ReadStartElement();
                while (reader.IsStartElement())
                {
                    if (driver.IsAtSecurityContextToken(reader)) 
                    {
                        results.Add(driver.GetSecurityContextTokenId(reader)); 
                        addedContextIds = true; 
                        if (isStrictMode)
                        { 
                            break;
                        }
                    }
                    else 
                    {
                        reader.Skip(); 
                    } 
                }
            } 
            return addedContextIds;
        }
    }
} 

 

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

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