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//----------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System.Collections.Generic;
using System.ServiceModel;
using System.IO;
using System.IdentityModel.Claims;
using System.IdentityModel.Policy;
using System.IdentityModel.Selectors;
using System.Security.Cryptography;
using System.ServiceModel.Channels;
using System.ServiceModel.Security.Tokens;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
using System.Runtime.Serialization;
using System.Net.Security;
abstract class MessageSecurityProtocolFactory : SecurityProtocolFactory
{
internal const MessageProtectionOrder defaultMessageProtectionOrder = MessageProtectionOrder.SignBeforeEncrypt;
internal const bool defaultDoRequestSignatureConfirmation = false;
bool applyIntegrity = true;
bool applyConfidentiality = true;
bool doRequestSignatureConfirmation = defaultDoRequestSignatureConfirmation;
IdentityVerifier identityVerifier;
ChannelProtectionRequirements protectionRequirements = new ChannelProtectionRequirements();
MessageProtectionOrder messageProtectionOrder = defaultMessageProtectionOrder;
bool requireIntegrity = true;
bool requireConfidentiality = true;
List<SecurityTokenAuthenticator> wrappedKeyTokenAuthenticator;
protected MessageSecurityProtocolFactory()
{
}
internal MessageSecurityProtocolFactory(MessageSecurityProtocolFactory factory)
: base(factory)
{
if (factory == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("factory");
this.applyIntegrity = factory.applyIntegrity;
this.applyConfidentiality = factory.applyConfidentiality;
this.identityVerifier = factory.identityVerifier;
this.protectionRequirements = new ChannelProtectionRequirements(factory.protectionRequirements);
this.messageProtectionOrder = factory.messageProtectionOrder;
this.requireIntegrity = factory.requireIntegrity;
this.requireConfidentiality = factory.requireConfidentiality;
this.doRequestSignatureConfirmation = factory.doRequestSignatureConfirmation;
}
public bool ApplyConfidentiality
{
get
{
return this.applyConfidentiality;
}
set
{
ThrowIfImmutable();
this.applyConfidentiality = value;
}
}
public bool ApplyIntegrity
{
get
{
return this.applyIntegrity;
}
set
{
ThrowIfImmutable();
this.applyIntegrity = value;
}
}
public bool DoRequestSignatureConfirmation
{
get
{
return this.doRequestSignatureConfirmation;
}
set
{
ThrowIfImmutable();
this.doRequestSignatureConfirmation = value;
}
}
public IdentityVerifier IdentityVerifier
{
get
{
return this.identityVerifier;
}
set
{
ThrowIfImmutable();
this.identityVerifier = value;
}
}
public ChannelProtectionRequirements ProtectionRequirements
{
get
{
return this.protectionRequirements;
}
}
public MessageProtectionOrder MessageProtectionOrder
{
get
{
return this.messageProtectionOrder;
}
set
{
ThrowIfImmutable();
this.messageProtectionOrder = value;
}
}
public bool RequireIntegrity
{
get
{
return this.requireIntegrity;
}
set
{
ThrowIfImmutable();
this.requireIntegrity = value;
}
}
public bool RequireConfidentiality
{
get
{
return this.requireConfidentiality;
}
set
{
ThrowIfImmutable();
this.requireConfidentiality = value;
}
}
internal List<SecurityTokenAuthenticator> WrappedKeySecurityTokenAuthenticator
{
get
{
return this.wrappedKeyTokenAuthenticator;
}
}
protected virtual void ValidateCorrelationSecuritySettings()
{
if (this.ActAsInitiator && this.SupportsRequestReply)
{
bool savesCorrelationTokenOnRequest = this.ApplyIntegrity || this.ApplyConfidentiality;
bool needsCorrelationTokenOnReply = this.RequireIntegrity || this.RequireConfidentiality;
if (!savesCorrelationTokenOnRequest && needsCorrelationTokenOnReply)
{
OnPropertySettingsError("ApplyIntegrity", false);
}
}
}
public override void OnOpen(TimeSpan timeout)
{
base.OnOpen(timeout);
this.protectionRequirements.MakeReadOnly();
if (this.DetectReplays && !this.RequireIntegrity)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("RequireIntegrity", SR.GetString(SR.ForReplayDetectionToBeDoneRequireIntegrityMustBeSet));
}
if (this.DoRequestSignatureConfirmation)
{
if (!this.SupportsRequestReply)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.SignatureConfirmationRequiresRequestReply));
}
if (!this.StandardsManager.SecurityVersion.SupportsSignatureConfirmation)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.SecurityVersionDoesNotSupportSignatureConfirmation, this.StandardsManager.SecurityVersion));
}
}
this.wrappedKeyTokenAuthenticator = new List<SecurityTokenAuthenticator>(1);
SecurityTokenAuthenticator authenticator = new NonValidatingSecurityTokenAuthenticator<WrappedKeySecurityToken>();
this.wrappedKeyTokenAuthenticator.Add(authenticator);
ValidateCorrelationSecuritySettings();
}
static MessagePartSpecification ExtractMessageParts(string action,
ScopedMessagePartSpecification scopedParts, bool isForSignature)
{
MessagePartSpecification parts = null;
if (scopedParts.TryGetParts(action, out parts))
{
return parts;
}
else if (scopedParts.TryGetParts(MessageHeaders.WildcardAction, out parts))
{
return parts;
}
// send back a fault indication that the action is unknown
SecurityVersion wss = MessageSecurityVersion.Default.SecurityVersion;
FaultCode subCode = new FaultCode(wss.InvalidSecurityFaultCode.Value, wss.HeaderNamespace.Value);
FaultCode senderCode = FaultCode.CreateSenderFaultCode(subCode);
FaultReason reason = new FaultReason(SR.GetString(SR.InvalidOrUnrecognizedAction, action), System.Globalization.CultureInfo.CurrentCulture);
MessageFault fault = MessageFault.CreateFault(senderCode, reason);
if (isForSignature)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(SR.GetString(SR.NoSignaturePartsSpecified, action), null, fault));
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(SR.GetString(SR.NoEncryptionPartsSpecified, action), null, fault));
}
}
internal MessagePartSpecification GetIncomingEncryptionParts(string action)
{
if (this.RequireConfidentiality)
{
//return ExtractMessageParts(action, (this.SecurityTokenManager is ClientCredentialsSecurityTokenManager) ? this.ProtectionRequirements.OutgoingEncryptionParts : this.ProtectionRequirements.IncomingEncryptionParts, false);
if (this.IsDuplexReply)
return ExtractMessageParts(action, this.ProtectionRequirements.OutgoingEncryptionParts, false);
else
return ExtractMessageParts(action, (this.ActAsInitiator) ? this.ProtectionRequirements.OutgoingEncryptionParts : this.ProtectionRequirements.IncomingEncryptionParts, false);
}
else
{
return MessagePartSpecification.NoParts;
}
}
internal MessagePartSpecification GetIncomingSignatureParts(string action)
{
if (this.RequireIntegrity)
{
//return ExtractMessageParts(action, (this.SecurityTokenManager is ClientCredentialsSecurityTokenManager) ? this.ProtectionRequirements.OutgoingSignatureParts : this.ProtectionRequirements.IncomingSignatureParts, true);
if (this.IsDuplexReply)
return ExtractMessageParts(action, this.ProtectionRequirements.OutgoingSignatureParts, true);
else
return ExtractMessageParts(action, (this.ActAsInitiator) ? this.ProtectionRequirements.OutgoingSignatureParts : this.ProtectionRequirements.IncomingSignatureParts, true);
}
else
{
return MessagePartSpecification.NoParts;
}
}
internal MessagePartSpecification GetOutgoingEncryptionParts(string action)
{
if (this.ApplyConfidentiality)
{
//return ExtractMessageParts(action, (this.SecurityTokenManager is ClientCredentialsSecurityTokenManager) ? this.ProtectionRequirements.IncomingEncryptionParts : this.ProtectionRequirements.OutgoingEncryptionParts, false);
if (this.IsDuplexReply)
return ExtractMessageParts(action, this.ProtectionRequirements.OutgoingEncryptionParts, false);
else
return ExtractMessageParts(action, (this.ActAsInitiator) ? this.ProtectionRequirements.IncomingEncryptionParts : this.ProtectionRequirements.OutgoingEncryptionParts, false);
}
else
{
return MessagePartSpecification.NoParts;
}
}
internal MessagePartSpecification GetOutgoingSignatureParts(string action)
{
if (this.ApplyIntegrity)
{
//return ExtractMessageParts(action, (this.SecurityTokenManager is ClientCredentialsSecurityTokenManager) ? this.ProtectionRequirements.IncomingSignatureParts : this.ProtectionRequirements.OutgoingSignatureParts, true);
if (this.IsDuplexReply)
return ExtractMessageParts(action, this.ProtectionRequirements.OutgoingSignatureParts, true);
else
return ExtractMessageParts(action, (this.ActAsInitiator) ? this.ProtectionRequirements.IncomingSignatureParts : this.ProtectionRequirements.OutgoingSignatureParts, true);
}
else
{
return MessagePartSpecification.NoParts;
}
}
}
}
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