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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.Runtime;
using System.Runtime.CompilerServices;
using System.ServiceModel.Channels;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
using System.ComponentModel;
public class MessageSecurityOverHttp
{
internal const MessageCredentialType DefaultClientCredentialType = MessageCredentialType.Windows;
internal const bool DefaultNegotiateServiceCredential = true;
MessageCredentialType clientCredentialType;
bool negotiateServiceCredential;
SecurityAlgorithmSuite algorithmSuite;
bool wasAlgorithmSuiteSet;
public MessageSecurityOverHttp()
{
clientCredentialType = DefaultClientCredentialType;
negotiateServiceCredential = DefaultNegotiateServiceCredential;
algorithmSuite = SecurityAlgorithmSuite.Default;
}
public MessageCredentialType ClientCredentialType
{
get { return this.clientCredentialType; }
set
{
if (!MessageCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.clientCredentialType = value;
}
}
public bool NegotiateServiceCredential
{
get { return this.negotiateServiceCredential; }
set { this.negotiateServiceCredential = value; }
}
public SecurityAlgorithmSuite AlgorithmSuite
{
get { return this.algorithmSuite; }
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
this.algorithmSuite = value;
wasAlgorithmSuiteSet = true;
}
}
internal bool WasAlgorithmSuiteSet
{
get { return this.wasAlgorithmSuiteSet; }
}
protected virtual bool IsSecureConversationEnabled()
{
return true;
}
[MethodImpl(MethodImplOptions.NoInlining)]
internal SecurityBindingElement CreateSecurityBindingElement(bool isSecureTransportMode, bool isReliableSession, MessageSecurityVersion version)
{
if (isReliableSession && !this.IsSecureConversationEnabled())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SecureConversationRequiredByReliableSession)));
}
SecurityBindingElement result;
SecurityBindingElement oneShotSecurity;
bool isKerberosSelected = false;
bool emitBspAttributes = true;
if (isSecureTransportMode)
{
switch (this.clientCredentialType)
{
case MessageCredentialType.None:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ClientCredentialTypeMustBeSpecifiedForMixedMode)));
case MessageCredentialType.UserName:
oneShotSecurity = SecurityBindingElement.CreateUserNameOverTransportBindingElement();
break;
case MessageCredentialType.Certificate:
oneShotSecurity = SecurityBindingElement.CreateCertificateOverTransportBindingElement();
break;
case MessageCredentialType.Windows:
oneShotSecurity = SecurityBindingElement.CreateSspiNegotiationOverTransportBindingElement(true);
break;
case MessageCredentialType.IssuedToken:
oneShotSecurity = SecurityBindingElement.CreateIssuedTokenOverTransportBindingElement(IssuedSecurityTokenParameters.CreateInfoCardParameters(new SecurityStandardsManager(new WSSecurityTokenSerializer(emitBspAttributes)), this.algorithmSuite));
break;
default:
Fx.Assert("unknown ClientCredentialType");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
if (this.IsSecureConversationEnabled())
{
result = SecurityBindingElement.CreateSecureConversationBindingElement(oneShotSecurity, true);
}
else
{
result = oneShotSecurity;
}
}
else
{
if (negotiateServiceCredential)
{
switch (this.clientCredentialType)
{
case MessageCredentialType.None:
oneShotSecurity = SecurityBindingElement.CreateSslNegotiationBindingElement(false, true);
break;
case MessageCredentialType.UserName:
oneShotSecurity = SecurityBindingElement.CreateUserNameForSslBindingElement(true);
break;
case MessageCredentialType.Certificate:
oneShotSecurity = SecurityBindingElement.CreateSslNegotiationBindingElement(true, true);
break;
case MessageCredentialType.Windows:
oneShotSecurity = SecurityBindingElement.CreateSspiNegotiationBindingElement(true);
break;
case MessageCredentialType.IssuedToken:
oneShotSecurity = SecurityBindingElement.CreateIssuedTokenForSslBindingElement(IssuedSecurityTokenParameters.CreateInfoCardParameters(new SecurityStandardsManager(new WSSecurityTokenSerializer(emitBspAttributes)), this.algorithmSuite), true);
break;
default:
Fx.Assert("unknown ClientCredentialType");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
}
else
{
switch (this.clientCredentialType)
{
case MessageCredentialType.None:
oneShotSecurity = SecurityBindingElement.CreateAnonymousForCertificateBindingElement();
break;
case MessageCredentialType.UserName:
oneShotSecurity = SecurityBindingElement.CreateUserNameForCertificateBindingElement();
break;
case MessageCredentialType.Certificate:
oneShotSecurity = SecurityBindingElement.CreateMutualCertificateBindingElement();
break;
case MessageCredentialType.Windows:
oneShotSecurity = SecurityBindingElement.CreateKerberosBindingElement();
isKerberosSelected = true;
break;
case MessageCredentialType.IssuedToken:
oneShotSecurity = SecurityBindingElement.CreateIssuedTokenForCertificateBindingElement(IssuedSecurityTokenParameters.CreateInfoCardParameters(new SecurityStandardsManager(new WSSecurityTokenSerializer(emitBspAttributes)), this.algorithmSuite));
break;
default:
Fx.Assert("unknown ClientCredentialType");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
}
if (this.IsSecureConversationEnabled())
{
result = SecurityBindingElement.CreateSecureConversationBindingElement(oneShotSecurity, true);
}
else
{
result = oneShotSecurity;
}
}
// set the algorithm suite and issued token params if required
if (wasAlgorithmSuiteSet || (!isKerberosSelected))
{
result.DefaultAlgorithmSuite = oneShotSecurity.DefaultAlgorithmSuite = this.AlgorithmSuite;
}
else if (isKerberosSelected)
{
result.DefaultAlgorithmSuite = oneShotSecurity.DefaultAlgorithmSuite = SecurityAlgorithmSuite.KerberosDefault;
}
result.IncludeTimestamp = true;
oneShotSecurity.MessageSecurityVersion = version;
result.MessageSecurityVersion = version;
if (!isReliableSession)
{
result.LocalServiceSettings.ReconnectTransportOnFailure = false;
result.LocalClientSettings.ReconnectTransportOnFailure = false;
}
else
{
result.LocalServiceSettings.ReconnectTransportOnFailure = true;
result.LocalClientSettings.ReconnectTransportOnFailure = true;
}
if (this.IsSecureConversationEnabled())
{
// issue the transition SCT for a short duration only
oneShotSecurity.LocalServiceSettings.IssuedCookieLifetime = SpnegoTokenAuthenticator.defaultServerIssuedTransitionTokenLifetime;
}
return result;
}
internal static bool TryCreate<TSecurity>(SecurityBindingElement sbe, bool isSecureTransportMode, bool isReliableSession, out TSecurity messageSecurity)
where TSecurity : MessageSecurityOverHttp
{
Fx.Assert(null != sbe, string.Empty);
messageSecurity = null;
// do not check local settings: sbe.LocalServiceSettings and sbe.LocalClientSettings
if (!sbe.IncludeTimestamp)
{
return false;
}
// Do not check MessageSecurityVersion: it maybe changed by the wrapper element and gets checked later in the SecuritySection.AreBindingsMatching()
if (sbe.SecurityHeaderLayout != SecurityProtocolFactory.defaultSecurityHeaderLayout)
{
return false;
}
bool negotiateServiceCredential = DefaultNegotiateServiceCredential;
MessageCredentialType clientCredentialType;
SecurityAlgorithmSuite algorithmSuite = SecurityAlgorithmSuite.Default;
bool isSecureConversation;
SecurityBindingElement bootstrapSecurity;
if (!SecurityBindingElement.IsSecureConversationBinding(sbe, true, out bootstrapSecurity))
{
isSecureConversation = false;
bootstrapSecurity = sbe;
}
else
{
isSecureConversation = true;
}
if (!isSecureConversation && typeof(TSecurity).Equals(typeof(MessageSecurityOverHttp)))
{
return false;
}
if (!isSecureConversation && isReliableSession)
{
return false;
}
if (isSecureTransportMode && !(bootstrapSecurity is TransportSecurityBindingElement))
{
return false;
}
IssuedSecurityTokenParameters infocardParameters;
if (isSecureTransportMode)
{
if (SecurityBindingElement.IsUserNameOverTransportBinding(bootstrapSecurity))
{
clientCredentialType = MessageCredentialType.UserName;
}
else if (SecurityBindingElement.IsCertificateOverTransportBinding(bootstrapSecurity))
{
clientCredentialType = MessageCredentialType.Certificate;
}
else if (SecurityBindingElement.IsSspiNegotiationOverTransportBinding(bootstrapSecurity, true))
{
clientCredentialType = MessageCredentialType.Windows;
}
else if (SecurityBindingElement.IsIssuedTokenOverTransportBinding(bootstrapSecurity, out infocardParameters))
{
if (!IssuedSecurityTokenParameters.IsInfoCardParameters(
infocardParameters,
new SecurityStandardsManager(
sbe.MessageSecurityVersion,
new WSSecurityTokenSerializer(
sbe.MessageSecurityVersion.SecurityVersion,
sbe.MessageSecurityVersion.TrustVersion,
sbe.MessageSecurityVersion.SecureConversationVersion,
true,
null, null, null))))
{
return false;
}
clientCredentialType = MessageCredentialType.IssuedToken;
}
else
{
// the standard binding does not support None client credential type in mixed mode
return false;
}
}
else
{
if (SecurityBindingElement.IsSslNegotiationBinding(bootstrapSecurity, false, true))
{
negotiateServiceCredential = true;
clientCredentialType = MessageCredentialType.None;
}
else if (SecurityBindingElement.IsUserNameForSslBinding(bootstrapSecurity, true))
{
negotiateServiceCredential = true;
clientCredentialType = MessageCredentialType.UserName;
}
else if (SecurityBindingElement.IsSslNegotiationBinding(bootstrapSecurity, true, true))
{
negotiateServiceCredential = true;
clientCredentialType = MessageCredentialType.Certificate;
}
else if (SecurityBindingElement.IsSspiNegotiationBinding(bootstrapSecurity, true))
{
negotiateServiceCredential = true;
clientCredentialType = MessageCredentialType.Windows;
}
else if (SecurityBindingElement.IsIssuedTokenForSslBinding(bootstrapSecurity, true, out infocardParameters))
{
if (!IssuedSecurityTokenParameters.IsInfoCardParameters(
infocardParameters,
new SecurityStandardsManager(
sbe.MessageSecurityVersion,
new WSSecurityTokenSerializer(
sbe.MessageSecurityVersion.SecurityVersion,
sbe.MessageSecurityVersion.TrustVersion,
sbe.MessageSecurityVersion.SecureConversationVersion,
true,
null, null, null))))
{
return false;
}
negotiateServiceCredential = true;
clientCredentialType = MessageCredentialType.IssuedToken;
}
else if (SecurityBindingElement.IsUserNameForCertificateBinding(bootstrapSecurity))
{
negotiateServiceCredential = false;
clientCredentialType = MessageCredentialType.UserName;
}
else if (SecurityBindingElement.IsMutualCertificateBinding(bootstrapSecurity))
{
negotiateServiceCredential = false;
clientCredentialType = MessageCredentialType.Certificate;
}
else if (SecurityBindingElement.IsKerberosBinding(bootstrapSecurity))
{
negotiateServiceCredential = false;
clientCredentialType = MessageCredentialType.Windows;
}
else if (SecurityBindingElement.IsIssuedTokenForCertificateBinding(bootstrapSecurity, out infocardParameters))
{
if (!IssuedSecurityTokenParameters.IsInfoCardParameters(
infocardParameters,
new SecurityStandardsManager(
sbe.MessageSecurityVersion,
new WSSecurityTokenSerializer(
sbe.MessageSecurityVersion.SecurityVersion,
sbe.MessageSecurityVersion.TrustVersion,
sbe.MessageSecurityVersion.SecureConversationVersion,
true,
null, null, null))))
{
return false;
}
negotiateServiceCredential = false;
clientCredentialType = MessageCredentialType.IssuedToken;
}
else if (SecurityBindingElement.IsAnonymousForCertificateBinding(bootstrapSecurity))
{
negotiateServiceCredential = false;
clientCredentialType = MessageCredentialType.None;
}
else
{
return false;
}
}
// Do not check any Local* settings
// Do not check DefaultAlgorithmSuite: is it often changed after the Security element is created, it will verified by SecuritySectionBase.AreBindingsMatching().
if (typeof(NonDualMessageSecurityOverHttp).Equals(typeof(TSecurity)))
{
messageSecurity = (TSecurity)(object)new NonDualMessageSecurityOverHttp();
((NonDualMessageSecurityOverHttp)(object)messageSecurity).EstablishSecurityContext = isSecureConversation;
}
else
{
messageSecurity = (TSecurity)(object)new MessageSecurityOverHttp();
}
messageSecurity.ClientCredentialType = clientCredentialType;
messageSecurity.NegotiateServiceCredential = negotiateServiceCredential;
messageSecurity.AlgorithmSuite = sbe.DefaultAlgorithmSuite;
return true;
}
internal bool InternalShouldSerialize()
{
return this.ShouldSerializeAlgorithmSuite()
|| this.ShouldSerializeClientCredentialType()
|| ShouldSerializeNegotiateServiceCredential();
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeAlgorithmSuite()
{
return this.AlgorithmSuite != SecurityAlgorithmSuite.Default;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeClientCredentialType()
{
return this.ClientCredentialType != DefaultClientCredentialType;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeNegotiateServiceCredential()
{
return this.NegotiateServiceCredential != DefaultNegotiateServiceCredential;
}
}
}
|
