Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Security / ServiceCredentialsSecurityTokenManager.cs / 2 / ServiceCredentialsSecurityTokenManager.cs
//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.ServiceModel.Dispatcher;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.IdentityModel.Tokens;
using System.IdentityModel.Policy;
using System.IdentityModel.Selectors;
using System.Runtime.Serialization;
using System.Net;
using System.Security.Principal;
using System.ServiceModel.Security.Tokens;
using System.Security.Cryptography.X509Certificates;
using System.Web.Security;
using SafeFreeCredentials = System.IdentityModel.SafeFreeCredentials;
public class ServiceCredentialsSecurityTokenManager : SecurityTokenManager, IEndpointIdentityProvider
{
ServiceCredentials parent;
public ServiceCredentialsSecurityTokenManager(ServiceCredentials parent)
{
if (parent == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("parent");
}
this.parent = parent;
}
public ServiceCredentials ServiceCredentials
{
get { return parent; }
}
public override SecurityTokenSerializer CreateSecurityTokenSerializer(SecurityTokenVersion version)
{
if (version == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("version");
}
MessageSecurityTokenVersion wsVersion = version as MessageSecurityTokenVersion;
if (wsVersion != null)
{
SamlSerializer samlSerializer = null;
if (parent.IssuedTokenAuthentication != null)
samlSerializer = parent.IssuedTokenAuthentication.SamlSerializer;
else
samlSerializer = new SamlSerializer();
return new WSSecurityTokenSerializer(wsVersion.SecurityVersion, wsVersion.TrustVersion, wsVersion.SecureConversationVersion, wsVersion.EmitBspRequiredAttributes, samlSerializer, parent.SecureConversationAuthentication.SecurityStateEncoder, parent.SecureConversationAuthentication.SecurityContextClaimTypes);
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.SecurityTokenManagerCannotCreateSerializerForVersion, version)));
}
}
protected SecurityTokenAuthenticator CreateSecureConversationTokenAuthenticator(RecipientServiceModelSecurityTokenRequirement recipientRequirement, bool preserveBootstrapTokens, out SecurityTokenResolver sctResolver)
{
SecurityBindingElement securityBindingElement = recipientRequirement.SecurityBindingElement;
if (securityBindingElement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.TokenAuthenticatorRequiresSecurityBindingElement, recipientRequirement));
}
bool isCookieMode = !recipientRequirement.SupportSecurityContextCancellation;
LocalServiceSecuritySettings localServiceSettings = securityBindingElement.LocalServiceSettings;
IMessageFilterTable endpointFilterTable = recipientRequirement.GetPropertyOrDefault>(ServiceModelSecurityTokenRequirement.EndpointFilterTableProperty, null);
if (!isCookieMode)
{
sctResolver = new SecurityContextSecurityTokenResolver(Int32.MaxValue, false);
// remember this authenticator for future reference
SecuritySessionSecurityTokenAuthenticator authenticator = new SecuritySessionSecurityTokenAuthenticator();
authenticator.BootstrapSecurityBindingElement = SecurityUtils.GetIssuerSecurityBindingElement(recipientRequirement);
authenticator.IssuedSecurityTokenParameters = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty);
authenticator.IssuedTokenCache = (ISecurityContextSecurityTokenCache)sctResolver;
authenticator.IssuerBindingContext = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuerBindingContextProperty);
authenticator.KeyEntropyMode = securityBindingElement.KeyEntropyMode;
authenticator.ListenUri = recipientRequirement.ListenUri;
authenticator.SecurityAlgorithmSuite = recipientRequirement.SecurityAlgorithmSuite;
authenticator.SessionTokenLifetime = TimeSpan.MaxValue;
authenticator.KeyRenewalInterval = securityBindingElement.LocalServiceSettings.SessionKeyRenewalInterval;
authenticator.StandardsManager = SecurityUtils.CreateSecurityStandardsManager(recipientRequirement, this);
authenticator.EndpointFilterTable = endpointFilterTable;
authenticator.MaximumConcurrentNegotiations = localServiceSettings.MaxStatefulNegotiations;
authenticator.NegotiationTimeout = localServiceSettings.NegotiationTimeout;
authenticator.PreserveBootstrapTokens = preserveBootstrapTokens;
return authenticator;
}
else
{
sctResolver = new SecurityContextSecurityTokenResolver(localServiceSettings.MaxCachedCookies, true);
AcceleratedTokenAuthenticator authenticator = new AcceleratedTokenAuthenticator();
authenticator.BootstrapSecurityBindingElement = SecurityUtils.GetIssuerSecurityBindingElement(recipientRequirement);
authenticator.KeyEntropyMode = securityBindingElement.KeyEntropyMode;
authenticator.EncryptStateInServiceToken = true;
authenticator.IssuedSecurityTokenParameters = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty);
authenticator.IssuedTokenCache = (ISecurityContextSecurityTokenCache) sctResolver;
authenticator.IssuerBindingContext = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuerBindingContextProperty);
authenticator.ListenUri = recipientRequirement.ListenUri;
authenticator.SecurityAlgorithmSuite = recipientRequirement.SecurityAlgorithmSuite;
authenticator.StandardsManager = SecurityUtils.CreateSecurityStandardsManager(recipientRequirement, this);
authenticator.SecurityStateEncoder = parent.SecureConversationAuthentication.SecurityStateEncoder;
authenticator.KnownTypes = parent.SecureConversationAuthentication.SecurityContextClaimTypes;
authenticator.PreserveBootstrapTokens = preserveBootstrapTokens;
// local security quotas
authenticator.MaximumCachedNegotiationState = localServiceSettings.MaxStatefulNegotiations;
authenticator.NegotiationTimeout = localServiceSettings.NegotiationTimeout;
authenticator.ServiceTokenLifetime = localServiceSettings.IssuedCookieLifetime;
authenticator.MaximumConcurrentNegotiations = localServiceSettings.MaxStatefulNegotiations;
// audit settings
authenticator.AuditLogLocation = recipientRequirement.AuditLogLocation;
authenticator.SuppressAuditFailure = recipientRequirement.SuppressAuditFailure;
authenticator.MessageAuthenticationAuditLevel = recipientRequirement.MessageAuthenticationAuditLevel;
authenticator.EndpointFilterTable = endpointFilterTable;
return authenticator;
}
}
SecurityTokenAuthenticator CreateSpnegoSecurityTokenAuthenticator(RecipientServiceModelSecurityTokenRequirement recipientRequirement, out SecurityTokenResolver sctResolver)
{
SecurityBindingElement securityBindingElement = recipientRequirement.SecurityBindingElement;
if (securityBindingElement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.TokenAuthenticatorRequiresSecurityBindingElement, recipientRequirement));
}
bool isCookieMode = !recipientRequirement.SupportSecurityContextCancellation;
LocalServiceSecuritySettings localServiceSettings = securityBindingElement.LocalServiceSettings;
sctResolver = new SecurityContextSecurityTokenResolver(localServiceSettings.MaxCachedCookies, true);
SpnegoTokenAuthenticator authenticator = new SpnegoTokenAuthenticator();
authenticator.AllowUnauthenticatedCallers = parent.WindowsAuthentication.AllowAnonymousLogons;
authenticator.ExtractGroupsForWindowsAccounts = parent.WindowsAuthentication.IncludeWindowsGroups;
authenticator.IsClientAnonymous = false;
authenticator.EncryptStateInServiceToken = isCookieMode;
authenticator.IssuedSecurityTokenParameters = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty);
authenticator.IssuedTokenCache = (ISecurityContextSecurityTokenCache)sctResolver;
authenticator.IssuerBindingContext = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuerBindingContextProperty);
authenticator.ListenUri = recipientRequirement.ListenUri;
authenticator.SecurityAlgorithmSuite = recipientRequirement.SecurityAlgorithmSuite;
authenticator.StandardsManager = SecurityUtils.CreateSecurityStandardsManager(recipientRequirement, this);
authenticator.SecurityStateEncoder = parent.SecureConversationAuthentication.SecurityStateEncoder;
authenticator.KnownTypes = parent.SecureConversationAuthentication.SecurityContextClaimTypes;
// if the SPNEGO is being done in mixed-mode, the nego blobs are from an anonymous client and so there size bound needs to be enforced.
if (securityBindingElement is TransportSecurityBindingElement)
{
authenticator.MaxMessageSize = SecurityUtils.GetMaxNegotiationBufferSize(authenticator.IssuerBindingContext);
}
// local security quotas
authenticator.MaximumCachedNegotiationState = localServiceSettings.MaxStatefulNegotiations;
authenticator.NegotiationTimeout = localServiceSettings.NegotiationTimeout;
authenticator.ServiceTokenLifetime = localServiceSettings.IssuedCookieLifetime;
authenticator.MaximumConcurrentNegotiations = localServiceSettings.MaxStatefulNegotiations;
// audit settings
authenticator.AuditLogLocation = recipientRequirement.AuditLogLocation;
authenticator.SuppressAuditFailure = recipientRequirement.SuppressAuditFailure;
authenticator.MessageAuthenticationAuditLevel = recipientRequirement.MessageAuthenticationAuditLevel;
return authenticator;
}
SecurityTokenAuthenticator CreateTlsnegoClientX509TokenAuthenticator(RecipientServiceModelSecurityTokenRequirement recipientRequirement)
{
RecipientServiceModelSecurityTokenRequirement clientX509Requirement = new RecipientServiceModelSecurityTokenRequirement();
clientX509Requirement.TokenType = SecurityTokenTypes.X509Certificate;
clientX509Requirement.KeyUsage = SecurityKeyUsage.Signature;
clientX509Requirement.ListenUri = recipientRequirement.ListenUri;
clientX509Requirement.KeyType = SecurityKeyType.AsymmetricKey;
clientX509Requirement.SecurityBindingElement = recipientRequirement.SecurityBindingElement;
SecurityTokenResolver dummy;
return this.CreateSecurityTokenAuthenticator(clientX509Requirement, out dummy);
}
SecurityTokenProvider CreateTlsnegoServerX509TokenProvider(RecipientServiceModelSecurityTokenRequirement recipientRequirement)
{
RecipientServiceModelSecurityTokenRequirement serverX509Requirement = new RecipientServiceModelSecurityTokenRequirement();
serverX509Requirement.TokenType = SecurityTokenTypes.X509Certificate;
serverX509Requirement.KeyUsage = SecurityKeyUsage.Exchange;
serverX509Requirement.ListenUri = recipientRequirement.ListenUri;
serverX509Requirement.KeyType = SecurityKeyType.AsymmetricKey;
serverX509Requirement.SecurityBindingElement = recipientRequirement.SecurityBindingElement;
return this.CreateSecurityTokenProvider(serverX509Requirement);
}
SecurityTokenAuthenticator CreateTlsnegoSecurityTokenAuthenticator(RecipientServiceModelSecurityTokenRequirement recipientRequirement, bool requireClientCertificate, out SecurityTokenResolver sctResolver)
{
SecurityBindingElement securityBindingElement = recipientRequirement.SecurityBindingElement;
if (securityBindingElement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.TokenAuthenticatorRequiresSecurityBindingElement, recipientRequirement));
}
bool isCookieMode = !recipientRequirement.SupportSecurityContextCancellation;
LocalServiceSecuritySettings localServiceSettings = securityBindingElement.LocalServiceSettings;
sctResolver = new SecurityContextSecurityTokenResolver(localServiceSettings.MaxCachedCookies, true);
TlsnegoTokenAuthenticator authenticator = new TlsnegoTokenAuthenticator();
authenticator.IsClientAnonymous = !requireClientCertificate;
if (requireClientCertificate)
{
authenticator.ClientTokenAuthenticator = this.CreateTlsnegoClientX509TokenAuthenticator(recipientRequirement);
authenticator.MapCertificateToWindowsAccount = this.ServiceCredentials.ClientCertificate.Authentication.MapClientCertificateToWindowsAccount;
}
authenticator.EncryptStateInServiceToken = isCookieMode;
authenticator.IssuedSecurityTokenParameters = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty);
authenticator.IssuedTokenCache = (ISecurityContextSecurityTokenCache)sctResolver;
authenticator.IssuerBindingContext = recipientRequirement.GetProperty(ServiceModelSecurityTokenRequirement.IssuerBindingContextProperty);
authenticator.ListenUri = recipientRequirement.ListenUri;
authenticator.SecurityAlgorithmSuite = recipientRequirement.SecurityAlgorithmSuite;
authenticator.StandardsManager = SecurityUtils.CreateSecurityStandardsManager(recipientRequirement, this);
authenticator.SecurityStateEncoder = parent.SecureConversationAuthentication.SecurityStateEncoder;
authenticator.KnownTypes = parent.SecureConversationAuthentication.SecurityContextClaimTypes;
authenticator.ServerTokenProvider = CreateTlsnegoServerX509TokenProvider(recipientRequirement);
// local security quotas
authenticator.MaximumCachedNegotiationState = localServiceSettings.MaxStatefulNegotiations;
authenticator.NegotiationTimeout = localServiceSettings.NegotiationTimeout;
authenticator.ServiceTokenLifetime = localServiceSettings.IssuedCookieLifetime;
authenticator.MaximumConcurrentNegotiations = localServiceSettings.MaxStatefulNegotiations;
// if the TLSNEGO is being done in mixed-mode, the nego blobs are from an anonymous client and so there size bound needs to be enforced.
if (securityBindingElement is TransportSecurityBindingElement)
{
authenticator.MaxMessageSize = SecurityUtils.GetMaxNegotiationBufferSize(authenticator.IssuerBindingContext);
}
// audit settings
authenticator.AuditLogLocation = recipientRequirement.AuditLogLocation;
authenticator.SuppressAuditFailure = recipientRequirement.SuppressAuditFailure;
authenticator.MessageAuthenticationAuditLevel = recipientRequirement.MessageAuthenticationAuditLevel;
return authenticator;
}
X509SecurityTokenAuthenticator CreateClientX509TokenAuthenticator()
{
X509ClientCertificateAuthentication authentication = parent.ClientCertificate.Authentication;
return new X509SecurityTokenAuthenticator(authentication.GetCertificateValidator(), authentication.MapClientCertificateToWindowsAccount, authentication.IncludeWindowsGroups);
}
SamlSecurityTokenAuthenticator CreateSamlTokenAuthenticator(RecipientServiceModelSecurityTokenRequirement recipientRequirement, out SecurityTokenResolver outOfBandTokenResolver)
{
if (recipientRequirement == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("recipientRequirement");
Collection outOfBandTokens = new Collection();
if (parent.ServiceCertificate.Certificate != null)
{
outOfBandTokens.Add(new X509SecurityToken(parent.ServiceCertificate.Certificate));
}
List supportingAuthenticators = new List();
if ((parent.IssuedTokenAuthentication.KnownCertificates != null) && (parent.IssuedTokenAuthentication.KnownCertificates.Count > 0))
{
for (int i = 0; i < parent.IssuedTokenAuthentication.KnownCertificates.Count; ++i)
{
outOfBandTokens.Add(new X509SecurityToken(parent.IssuedTokenAuthentication.KnownCertificates[i]));
}
}
X509CertificateValidator validator = parent.IssuedTokenAuthentication.GetCertificateValidator();
supportingAuthenticators.Add(new X509SecurityTokenAuthenticator(validator));
if (parent.IssuedTokenAuthentication.AllowUntrustedRsaIssuers)
{
supportingAuthenticators.Add(new RsaSecurityTokenAuthenticator());
}
outOfBandTokenResolver = (outOfBandTokens.Count > 0) ? SecurityTokenResolver.CreateDefaultSecurityTokenResolver(new ReadOnlyCollection(outOfBandTokens), false) : null;
SamlSecurityTokenAuthenticator ssta;
if ((recipientRequirement.SecurityBindingElement == null) || (recipientRequirement.SecurityBindingElement.LocalServiceSettings == null))
{
ssta = new SamlSecurityTokenAuthenticator(supportingAuthenticators);
}
else
{
ssta = new SamlSecurityTokenAuthenticator(supportingAuthenticators, recipientRequirement.SecurityBindingElement.LocalServiceSettings.MaxClockSkew);
}
// set audience uri restrictions
ssta.AudienceUriMode = parent.IssuedTokenAuthentication.AudienceUriMode;
IList allowedAudienceUris = ssta.AllowedAudienceUris;
if (parent.IssuedTokenAuthentication.AllowedAudienceUris != null)
{
for (int i = 0; i < parent.IssuedTokenAuthentication.AllowedAudienceUris.Count; i++)
allowedAudienceUris.Add(parent.IssuedTokenAuthentication.AllowedAudienceUris[i]);
}
if (recipientRequirement.ListenUri != null)
{
allowedAudienceUris.Add(recipientRequirement.ListenUri.AbsoluteUri);
}
return ssta;
}
X509SecurityTokenProvider CreateServerX509TokenProvider()
{
if (parent.ServiceCertificate.Certificate == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ServiceCertificateNotProvidedOnServiceCredentials)));
}
SecurityUtils.EnsureCertificateCanDoKeyExchange(parent.ServiceCertificate.Certificate);
return new ServiceX509SecurityTokenProvider(parent.ServiceCertificate.Certificate);
}
protected bool IsIssuedSecurityTokenRequirement(SecurityTokenRequirement requirement)
{
return (requirement != null && requirement.Properties.ContainsKey(ServiceModelSecurityTokenRequirement.IssuerAddressProperty));
}
public override SecurityTokenAuthenticator CreateSecurityTokenAuthenticator(SecurityTokenRequirement tokenRequirement, out SecurityTokenResolver outOfBandTokenResolver)
{
if (tokenRequirement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("tokenRequirement");
}
string tokenType = tokenRequirement.TokenType;
outOfBandTokenResolver = null;
SecurityTokenAuthenticator result = null;
if (tokenRequirement is InitiatorServiceModelSecurityTokenRequirement)
{
// this is the uncorrelated duplex case in which the server is asking for
// an authenticator to validate its provisioned client certificate
if (tokenType == SecurityTokenTypes.X509Certificate && tokenRequirement.KeyUsage == SecurityKeyUsage.Exchange)
{
return new X509SecurityTokenAuthenticator(X509CertificateValidator.None, false);
}
}
RecipientServiceModelSecurityTokenRequirement recipientRequirement = tokenRequirement as RecipientServiceModelSecurityTokenRequirement;
if (recipientRequirement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.SecurityTokenManagerCannotCreateAuthenticatorForRequirement, tokenRequirement)));
}
if (tokenType == SecurityTokenTypes.X509Certificate)
{
result = CreateClientX509TokenAuthenticator();
}
else if (tokenType == SecurityTokenTypes.Kerberos)
{
result = new KerberosSecurityTokenAuthenticatorWrapper(
new KerberosSecurityTokenAuthenticator(parent.WindowsAuthentication.IncludeWindowsGroups));
}
else if (tokenType == SecurityTokenTypes.UserName)
{
if (parent.UserNameAuthentication.UserNamePasswordValidationMode == UserNamePasswordValidationMode.Windows)
{
if (parent.UserNameAuthentication.CacheLogonTokens)
{
result = new WindowsUserNameCachingSecurityTokenAuthenticator(parent.UserNameAuthentication.IncludeWindowsGroups,
parent.UserNameAuthentication.MaxCachedLogonTokens, parent.UserNameAuthentication.CachedLogonTokenLifetime);
}
else
{
result = new WindowsUserNameSecurityTokenAuthenticator(parent.UserNameAuthentication.IncludeWindowsGroups);
}
}
else
{
result = new CustomUserNameSecurityTokenAuthenticator(parent.UserNameAuthentication.GetUserNamePasswordValidator());
}
}
else if (tokenType == SecurityTokenTypes.Rsa)
{
result = new RsaSecurityTokenAuthenticator();
}
else if (tokenType == ServiceModelSecurityTokenTypes.AnonymousSslnego)
{
result = CreateTlsnegoSecurityTokenAuthenticator(recipientRequirement, false, out outOfBandTokenResolver);
}
else if (tokenType == ServiceModelSecurityTokenTypes.MutualSslnego)
{
result = CreateTlsnegoSecurityTokenAuthenticator(recipientRequirement, true, out outOfBandTokenResolver);
}
else if (tokenType == ServiceModelSecurityTokenTypes.Spnego)
{
result = CreateSpnegoSecurityTokenAuthenticator(recipientRequirement, out outOfBandTokenResolver);
}
else if (tokenType == ServiceModelSecurityTokenTypes.SecureConversation)
{
result = CreateSecureConversationTokenAuthenticator(recipientRequirement, false, out outOfBandTokenResolver);
}
else if ((tokenType == SecurityTokenTypes.Saml)
|| (tokenType == SecurityXXX2005Strings.SamlTokenType)
|| (tokenType == SecurityJan2004Strings.SamlUri)
|| (tokenType == null && IsIssuedSecurityTokenRequirement(recipientRequirement)))
{
result = CreateSamlTokenAuthenticator(recipientRequirement, out outOfBandTokenResolver);
}
if (result == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.SecurityTokenManagerCannotCreateAuthenticatorForRequirement, tokenRequirement)));
return result;
}
SecurityTokenProvider CreateLocalSecurityTokenProvider(RecipientServiceModelSecurityTokenRequirement recipientRequirement)
{
string tokenType = recipientRequirement.TokenType;
SecurityTokenProvider result = null;
if (tokenType == SecurityTokenTypes.X509Certificate)
{
result = CreateServerX509TokenProvider();
}
else if (tokenType == ServiceModelSecurityTokenTypes.SspiCredential)
{
// if Transport Security, AuthenicationSchemes.Basic will look at parent.UserNameAuthentication settings.
AuthenticationSchemes authenticationScheme;
if (recipientRequirement.TryGetProperty(ServiceModelSecurityTokenRequirement.HttpAuthenticationSchemeProperty, out authenticationScheme) &&
authenticationScheme == AuthenticationSchemes.Basic)
{
result = new SspiSecurityTokenProvider(null, parent.UserNameAuthentication.IncludeWindowsGroups, false);
}
else
{
result = new SspiSecurityTokenProvider(null, parent.WindowsAuthentication.IncludeWindowsGroups, parent.WindowsAuthentication.AllowAnonymousLogons);
}
}
return result;
}
SecurityTokenProvider CreateUncorrelatedDuplexSecurityTokenProvider(InitiatorServiceModelSecurityTokenRequirement initiatorRequirement)
{
string tokenType = initiatorRequirement.TokenType;
SecurityTokenProvider result = null;
if (tokenType == SecurityTokenTypes.X509Certificate)
{
SecurityKeyUsage keyUsage = initiatorRequirement.KeyUsage;
if (keyUsage == SecurityKeyUsage.Exchange)
{
if (parent.ClientCertificate.Certificate == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ClientCertificateNotProvidedOnServiceCredentials)));
}
result = new X509SecurityTokenProvider(parent.ClientCertificate.Certificate);
}
else
{
// this is a request for the server's own cert for signing
result = CreateServerX509TokenProvider();
}
}
return result;
}
public override SecurityTokenProvider CreateSecurityTokenProvider(SecurityTokenRequirement requirement)
{
if (requirement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("requirement");
}
RecipientServiceModelSecurityTokenRequirement recipientRequirement = requirement as RecipientServiceModelSecurityTokenRequirement;
SecurityTokenProvider result = null;
if (recipientRequirement != null)
{
result = CreateLocalSecurityTokenProvider(recipientRequirement);
}
else if (requirement is InitiatorServiceModelSecurityTokenRequirement)
{
result = CreateUncorrelatedDuplexSecurityTokenProvider((InitiatorServiceModelSecurityTokenRequirement)requirement);
}
if (result == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.SecurityTokenManagerCannotCreateProviderForRequirement, requirement)));
}
return result;
}
public virtual EndpointIdentity GetIdentityOfSelf(SecurityTokenRequirement tokenRequirement)
{
if (tokenRequirement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("tokenRequirement");
}
if (tokenRequirement is RecipientServiceModelSecurityTokenRequirement)
{
string tokenType = tokenRequirement.TokenType;
if (tokenType == SecurityTokenTypes.X509Certificate
|| tokenType == ServiceModelSecurityTokenTypes.AnonymousSslnego
|| tokenType == ServiceModelSecurityTokenTypes.MutualSslnego)
{
if (parent.ServiceCertificate.Certificate != null)
{
return EndpointIdentity.CreateX509CertificateIdentity(parent.ServiceCertificate.Certificate);
}
}
else if (tokenType == SecurityTokenTypes.Kerberos || tokenType == ServiceModelSecurityTokenTypes.Spnego)
{
return SecurityUtils.CreateWindowsIdentity();
}
else if (tokenType == ServiceModelSecurityTokenTypes.SecureConversation)
{
SecurityBindingElement securityBindingElement = ((RecipientServiceModelSecurityTokenRequirement)tokenRequirement).SecureConversationSecurityBindingElement;
if (securityBindingElement != null)
{
if (securityBindingElement == null || securityBindingElement is TransportSecurityBindingElement)
{
return null;
}
SecurityTokenParameters bootstrapProtectionParameters = (securityBindingElement is SymmetricSecurityBindingElement) ? ((SymmetricSecurityBindingElement)securityBindingElement).ProtectionTokenParameters : ((AsymmetricSecurityBindingElement)securityBindingElement).RecipientTokenParameters;
SecurityTokenRequirement bootstrapRequirement = new RecipientServiceModelSecurityTokenRequirement();
bootstrapProtectionParameters.InitializeSecurityTokenRequirement(bootstrapRequirement);
return GetIdentityOfSelf(bootstrapRequirement);
}
}
}
return null;
}
class KerberosSecurityTokenAuthenticatorWrapper : CommunicationObjectSecurityTokenAuthenticator
{
KerberosSecurityTokenAuthenticator innerAuthenticator;
SafeFreeCredentials credentialsHandle = null;
public KerberosSecurityTokenAuthenticatorWrapper(KerberosSecurityTokenAuthenticator innerAuthenticator)
{
this.innerAuthenticator = innerAuthenticator;
}
public override void OnOpening()
{
base.OnOpening();
if (this.credentialsHandle == null)
{
this.credentialsHandle = SecurityUtils.GetCredentialsHandle("Kerberos", null, true);
}
}
public override void OnClose(TimeSpan timeout)
{
base.OnClose(timeout);
FreeCredentialsHandle();
}
public override void OnAbort()
{
base.OnAbort();
FreeCredentialsHandle();
}
void FreeCredentialsHandle()
{
if (this.credentialsHandle != null)
{
this.credentialsHandle.Close();
this.credentialsHandle = null;
}
}
protected override bool CanValidateTokenCore(SecurityToken token)
{
return this.innerAuthenticator.CanValidateToken(token);
}
protected override ReadOnlyCollection ValidateTokenCore(SecurityToken token)
{
KerberosReceiverSecurityToken kerberosToken = (KerberosReceiverSecurityToken)token;
kerberosToken.Initialize(this.credentialsHandle);
return this.innerAuthenticator.ValidateToken(kerberosToken);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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