Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Security / SymmetricSecurityProtocolFactory.cs / 1 / SymmetricSecurityProtocolFactory.cs
//---------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.ServiceModel.Security { using System.Collections.Generic; using System.ServiceModel; using System.Collections.ObjectModel; using System.IdentityModel.Tokens; using System.IdentityModel.Selectors; using System.ServiceModel.Channels; using System.ServiceModel.Security.Tokens; class SymmetricSecurityProtocolFactory : MessageSecurityProtocolFactory { // server side per-listener objects SecurityTokenAuthenticator recipientSymmetricTokenAuthenticator; SecurityTokenProvider recipientAsymmetricTokenProvider; ReadOnlyCollectionrecipientOutOfBandTokenResolverList; SecurityTokenParameters tokenParameters; SecurityTokenParameters protectionTokenParameters; public SymmetricSecurityProtocolFactory() : base() { } internal SymmetricSecurityProtocolFactory(MessageSecurityProtocolFactory factory) : base(factory) { } public SecurityTokenParameters SecurityTokenParameters { get { return this.tokenParameters; } set { ThrowIfImmutable(); this.tokenParameters = value; } } public SecurityTokenProvider RecipientAsymmetricTokenProvider { get { return this.recipientAsymmetricTokenProvider; } } public SecurityTokenAuthenticator RecipientSymmetricTokenAuthenticator { get { return this.recipientSymmetricTokenAuthenticator; } } public ReadOnlyCollection RecipientOutOfBandTokenResolverList { get { return this.recipientOutOfBandTokenResolverList; } } public override EndpointIdentity GetIdentityOfSelf() { EndpointIdentity identity = null; if (this.SecurityTokenManager is IEndpointIdentityProvider) { SecurityTokenRequirement requirement = CreateRecipientSecurityTokenRequirement(); this.SecurityTokenParameters.InitializeSecurityTokenRequirement(requirement); identity = ((IEndpointIdentityProvider)this.SecurityTokenManager).GetIdentityOfSelf(requirement); } else { identity = base.GetIdentityOfSelf(); } return identity; } public override T GetProperty () { if (typeof(T) == typeof(Collection )) { Collection result = base.GetProperty >(); if (this.recipientSymmetricTokenAuthenticator is ISecurityContextSecurityTokenCacheProvider) { result.Add(((ISecurityContextSecurityTokenCacheProvider)this.recipientSymmetricTokenAuthenticator).TokenCache); } return (T)(object)(result); } else { return base.GetProperty (); } } public override void OnClose(TimeSpan timeout) { TimeoutHelper timeoutHelper = new TimeoutHelper(timeout); if (!this.ActAsInitiator) { if (this.recipientSymmetricTokenAuthenticator != null) { SecurityUtils.CloseTokenAuthenticatorIfRequired(this.recipientSymmetricTokenAuthenticator, timeoutHelper.RemainingTime()); } if (this.recipientAsymmetricTokenProvider != null) { SecurityUtils.CloseTokenProviderIfRequired(this.recipientAsymmetricTokenProvider, timeoutHelper.RemainingTime()); } } base.OnClose(timeoutHelper.RemainingTime()); } public override void OnAbort() { if (!this.ActAsInitiator) { if (this.recipientSymmetricTokenAuthenticator != null) { SecurityUtils.AbortTokenAuthenticatorIfRequired(this.recipientSymmetricTokenAuthenticator); } if (this.recipientAsymmetricTokenProvider != null) { SecurityUtils.AbortTokenProviderIfRequired(this.recipientAsymmetricTokenProvider); } } base.OnAbort(); } protected override SecurityProtocol OnCreateSecurityProtocol(EndpointAddress target, Uri via, object listenerSecurityState, TimeSpan timeout) { return new SymmetricSecurityProtocol(this, target, via); } RecipientServiceModelSecurityTokenRequirement CreateRecipientTokenRequirement() { RecipientServiceModelSecurityTokenRequirement requirement = CreateRecipientSecurityTokenRequirement(); this.SecurityTokenParameters.InitializeSecurityTokenRequirement(requirement); requirement.KeyUsage = (this.SecurityTokenParameters.HasAsymmetricKey) ? SecurityKeyUsage.Exchange : SecurityKeyUsage.Signature; return requirement; } public override void OnOpen(TimeSpan timeout) { TimeoutHelper timeoutHelper = new TimeoutHelper(timeout); base.OnOpen(timeoutHelper.RemainingTime()); if (this.tokenParameters == null) { OnPropertySettingsError("SecurityTokenParameters", true); } if (!this.ActAsInitiator) { SecurityTokenRequirement recipientTokenRequirement = CreateRecipientTokenRequirement(); SecurityTokenResolver resolver = null; if (this.SecurityTokenParameters.HasAsymmetricKey) { this.recipientAsymmetricTokenProvider = this.SecurityTokenManager.CreateSecurityTokenProvider(recipientTokenRequirement); } else { this.recipientSymmetricTokenAuthenticator = this.SecurityTokenManager.CreateSecurityTokenAuthenticator(recipientTokenRequirement, out resolver); } if (this.RecipientSymmetricTokenAuthenticator != null && this.RecipientAsymmetricTokenProvider != null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.OnlyOneOfEncryptedKeyOrSymmetricBindingCanBeSelected))); } if (resolver != null) { Collection tmp = new Collection (); tmp.Add(resolver); this.recipientOutOfBandTokenResolverList = new ReadOnlyCollection (tmp); } else { this.recipientOutOfBandTokenResolverList = EmptyReadOnlyCollection .Instance; } if (this.RecipientAsymmetricTokenProvider != null) { Open("RecipientAsymmetricTokenProvider", true, this.RecipientAsymmetricTokenProvider, timeoutHelper.RemainingTime()); } else { Open("RecipientSymmetricTokenAuthenticator", true, this.RecipientSymmetricTokenAuthenticator, timeoutHelper.RemainingTime()); } } if (this.tokenParameters.RequireDerivedKeys) { this.ExpectKeyDerivation = true; } if (this.tokenParameters.HasAsymmetricKey) { this.protectionTokenParameters = new WrappedKeySecurityTokenParameters(); this.protectionTokenParameters.RequireDerivedKeys = this.SecurityTokenParameters.RequireDerivedKeys; } else { this.protectionTokenParameters = this.tokenParameters; } } internal SecurityTokenParameters GetProtectionTokenParameters() { return this.protectionTokenParameters; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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