Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / RequestSecurityTokenResponse.cs / 1 / RequestSecurityTokenResponse.cs
//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
//
// Presharp uses the c# pragma mechanism to supress its warnings.
// These are not recognised by the base compiler so we need to explictly
// disable the following warnings. See http://winweb/cse/Tools/PREsharp/userguide/default.asp
// for details.
//
#pragma warning disable 1634, 1691 // unknown message, unknown pragma
namespace Microsoft.InfoCards
{
using System;
using System.IO;
using System.Xml;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.IdentityModel.Tokens;
using System.IdentityModel.Selectors;
using System.IdentityModel.Policy;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace;
static class RequestSecurityTokenResponseHelper
{
// Proof token is required for GenericXmlSecurityToken, and
// eliminating GenericXmlSecurityToken would cause a lot of
// code churn and risk at this point. This username token
// should be harmless.
private static SecurityToken s_noProofToken = new UserNameSecurityToken( "noproof", "noproof", "noproof" );
class RequestSecurityTokenResponse
{
//
// Set it to default here.
//
int m_keySize;
bool m_keySizeSpecified;
DateTime m_created = DateTime.UtcNow;
DateTime m_expires = DateTime.UtcNow.AddHours( 1 );
//
// Required non-normative
//
string m_requestType;
//
// Can be null
//
SecurityKeyIdentifierClause m_requestedAttachedReference;
SecurityKeyIdentifierClause m_requestedUnattachedReference;
SecurityToken m_entropyToken;
string m_computedKeyAlgorithm;
DisplayToken m_displayToken;
SecurityKeyTypeInternal? m_keyType;
//
// We are not really using this property usefully.
// Would have been good if GerericXmlToken accepted this
// as one of the args.
//
string m_tokenType;
//
// We'll validate
//
XmlElement m_issuedTokenElement;
SecurityToken m_proofToken;
public int KeySize
{
set
{
m_keySize = value;
m_keySizeSpecified = true;
}
}
public int GetIntelligentKeySize( bool symmetric, int rstKeySize )
{
if( symmetric )
{
if( !m_keySizeSpecified )
{
//
// Just use the same keySize we sent (becuase the IP/STS did not override keySize)
//
return rstKeySize;
}
else
{
return m_keySize;
}
}
else
{
//
// Should not access this property otherwise
//
throw IDT.ThrowHelperError( new InvalidOperationException() );
}
}
public SecurityKeyTypeInternal? KeyType
{
get { return m_keyType; }
set { m_keyType = value; }
}
public DateTime Created
{
get { return m_created; }
set { m_created = value; }
}
public DateTime Expires
{
get { return m_expires; }
set { m_expires = value; }
}
public SecurityKeyIdentifierClause RequestedAttachedReference
{
get { return m_requestedAttachedReference; }
set { m_requestedAttachedReference = value; }
}
public SecurityKeyIdentifierClause RequestedUnattachedReference
{
get { return m_requestedUnattachedReference; }
set { m_requestedUnattachedReference = value; }
}
public string TokenType
{
set { m_tokenType = value; }
}
public SecurityToken EntropyToken
{
get { return m_entropyToken; }
set { m_entropyToken = value; }
}
public string ComputedKeyAlgorithm
{
get { return m_computedKeyAlgorithm; }
set { m_computedKeyAlgorithm = value; }
}
public DisplayToken DisplayToken
{
get { return m_displayToken; }
set { m_displayToken = value; }
}
public XmlElement IssuedTokenElement
{
get { return m_issuedTokenElement; }
set { m_issuedTokenElement = value; }
}
public SecurityToken ProofToken
{
get { return m_proofToken; }
set { m_proofToken = value; }
}
public string RequestType
{
get { return m_requestType; }
set { m_requestType = value; }
}
//
// We could parse wst:SignatureAlgorithm, wst:EncryptionAlgorithm,
// wst:CanonicalizationAlgorithm, as well - in case the IP/STS did not honor what
// was requested or did not use the defaults. However this is of no use to us.
// The token is considered opaque to the Infocard subsystem.
//
public static byte[] ComputeCombinedKey( byte[] requestorEntropy, byte[] issuerEntropy, int keySize )
{
if( requestorEntropy == null )
{
throw IDT.ThrowHelperArgumentNull( "requestorEntropy" );
}
if( issuerEntropy == null )
{
throw IDT.ThrowHelperArgumentNull( "issuerEntropy" );
}
IDT.Assert( keySize > 0, "Keysize must be > 0" );
Psha1DerivedKeyGenerator generator = new Psha1DerivedKeyGenerator( requestorEntropy );
return generator.GenerateDerivedKey( new byte[] { }, issuerEntropy, keySize, 0 );
}
public void ValidateRstrContents( SecurityKeyTypeInternal keyTypeExpected )
{
if( null == IssuedTokenElement )
{
throw IDT.ThrowHelperError( new InvalidOperationException( SR.GetString( SR.NoIssuedTokenXml ) ) );
}
if( KeyType != null && keyTypeExpected != KeyType )
{
throw IDT.ThrowHelperError( new InvalidOperationException( SR.GetString( SR.ProofKeyTypeMismatch ) ) );
}
if( SecurityKeyTypeInternal.SymmetricKey == keyTypeExpected )
{
}
else if( SecurityKeyTypeInternal.AsymmetricKey == keyTypeExpected )
{
//
// enforce that there is no proof token in the RSTR
//
if( null != ProofToken )
{
throw IDT.ThrowHelperError( new InvalidOperationException( SR.GetString( SR.ProofTokenXmlUnexpectedInRstr ) ) );
}
}
else
{
IDT.Assert( SecurityKeyTypeInternal.NoKey == keyTypeExpected, "Bad enum member for SecurityKeyTypeInternal" );
//
// enforce that there is no proof token in the RSTR
//
if( null != ProofToken )
{
throw IDT.ThrowHelperError( new InvalidOperationException( SR.GetString( SR.ProofTokenXmlUnexpectedInRstr ) ) );
}
}
}
}
//
// Summary
// Retrieve data from the RSTR
//
// Parameters
// reader - the reader positioned at
// tokenSerializer - the token serializer to deserialize proof and entropy tokens in RSTR
// tokenResolver - optional token resolver needed by the token serializer while deserializing tokens
//
static RequestSecurityTokenResponse ReadRequestSecurityTokenResponse( XmlDictionaryReader reader, SecurityTokenSerializer tokenSerializer, SecurityTokenResolver resolver, ProtocolProfile profile )
{
IDT.Assert( null != reader, "null reader" );
IDT.Assert( null != tokenSerializer, "null tokenSerializer" );
RequestSecurityTokenResponse rstr = new RequestSecurityTokenResponse();
//
// If the protocol version we are using is Oasis 2007, we need to read the opening element of
// the RequestSecurityTokenResponseCollection first.
//
if( XmlNames.WSSpecificationVersion.WSTrustOasis2007 == profile.WSTrust.Version )
{
reader.ReadFullStartElement( profile.WSTrust.RequestSecurityTokenResponseCollection, profile.WSTrust.Namespace );
}
//
// Retrieve the protected token from the xml
//
IDT.TraceDebug( "IPSTSCLIENT: Retrieving the security token from the RSTR xml" );
reader.ReadFullStartElement( profile.WSTrust.RequestSecurityTokenResponse, profile.WSTrust.Namespace );
bool readTokenType = false;
bool readKeyType = false;
bool readKeySize = false;
bool readAttachedReference = false;
bool readUnattachedReference = false;
bool readLifetime = false;
bool readIssuedToken = false;
bool readProofToken = false;
bool readDisplayToken = false;
bool readEntropy = false;
bool readRequestType = false;
rstr.Created = DateTime.UtcNow;
rstr.Expires = new DateTime( ( DateTime.MaxValue.Ticks - TimeSpan.FromDays( 2 ).Ticks ), DateTimeKind.Utc );
if( !reader.IsStartElement() )
{
//
// If the content is not an xml node, then we are dealing with invalid xml.
//
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.ServiceSTSCommunicationFailed ) ) );
}
while( reader.IsStartElement() )
{
if( reader.IsStartElement( profile.WSTrust.TokenType, profile.WSTrust.Namespace ) )
{
if( readTokenType )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleTokenTypeElementsFound ) ) );
}
rstr.TokenType = reader.ReadElementString();
readTokenType = true;
}
else if( reader.IsStartElement( profile.WSTrust.KeySize, profile.WSTrust.Namespace ) )
{
if( readKeySize )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleKeySizeElementsFound ) ) );
}
int theKeySize = reader.ReadElementContentAsInt();
if( theKeySize <= 0 )
{
throw IDT.ThrowHelperError( new InvalidOperationException( SR.GetString( SR.KeySizeMustBeGreaterThanZero ) ) );
}
rstr.KeySize = theKeySize;
readKeySize = true;
}
else if( reader.IsStartElement( profile.WSTrust.KeyType, profile.WSTrust.Namespace ) )
{
if( readKeyType )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleKeySizeElementsFound ) ) );
}
string theKeyType = reader.ReadElementContentAsString();
Uri keyTypeUri = new Uri( theKeyType );
if( profile.WSTrust.KeyTypeSymmetric.Equals( keyTypeUri ) )
{
rstr.KeyType = SecurityKeyTypeInternal.SymmetricKey;
}
else if( profile.WSTrust.KeyTypeAsymmetric.Equals( keyTypeUri ) )
{
rstr.KeyType = SecurityKeyTypeInternal.AsymmetricKey;
}
else if( profile.WSTrust.KeyTypeBearer.Equals( keyTypeUri ) )
{
rstr.KeyType = SecurityKeyTypeInternal.NoKey;
}
else
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.KeyTypeNotRecognized, theKeyType ) ) );
}
readKeyType = true;
}
else if( reader.IsStartElement( profile.WSTrust.Lifetime, profile.WSTrust.Namespace ) )
{
if( readLifetime )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleLifetimeElementsFound ) ) );
}
reader.ReadStartElement();
if( reader.IsStartElement( XmlNames.WSSecurityUtility.Created, XmlNames.WSSecurityUtility.Namespace ) )
{
rstr.Created = reader.ReadElementContentAsDateTime().ToUniversalTime();
}
if( reader.IsStartElement( XmlNames.WSSecurityUtility.Expires, XmlNames.WSSecurityUtility.Namespace ) )
{
rstr.Expires = reader.ReadElementContentAsDateTime().ToUniversalTime();
}
reader.ReadEndElement(); // wst:Lifetime
readLifetime = true;
}
else if( reader.IsStartElement( profile.WSTrust.RequestedSecurityToken, profile.WSTrust.Namespace ) )
{
if( readIssuedToken )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestedSecurityTokenElementsFound ) ) );
}
reader.ReadStartElement();
reader.MoveToElement();
XmlDocument document = new XmlDocument();
rstr.IssuedTokenElement = document.ReadNode( reader ) as XmlElement;
reader.ReadEndElement(); // wst:RequestedSecurityToken
readIssuedToken = true;
}
else if( reader.IsStartElement( profile.WSTrust.RequestedProofToken, profile.WSTrust.Namespace ) )
{
if( readProofToken )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestedProofTokenElementsFound ) ) );
}
reader.ReadStartElement();
if( reader.IsStartElement( profile.WSTrust.ComputedKey, profile.WSTrust.Namespace ) )
{
rstr.ComputedKeyAlgorithm = reader.ReadElementString();
if( profile.WSTrust.ComputedKeyAlgorithm != rstr.ComputedKeyAlgorithm )
{
throw IDT.ThrowHelperError( new NotImplementedException
( SR.GetString( SR.OnlyPSha1SupportedCurrently, rstr.ComputedKeyAlgorithm ) ) );
}
}
else
{
rstr.ProofToken = tokenSerializer.ReadToken( reader, resolver );
}
reader.ReadEndElement(); // wst:RequestedProofToken
readProofToken = true;
}
else if( reader.IsStartElement( profile.WSTrust.Entropy, profile.WSTrust.Namespace ) )
{
if( readEntropy )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleEntropyElementsFound ) ) );
}
reader.ReadStartElement();
rstr.EntropyToken = tokenSerializer.ReadToken( reader, resolver );
reader.ReadEndElement();
readEntropy = true;
}
else if( reader.IsStartElement( XmlNames.WSIdentity.RequestedDisplayTokenElement, XmlNames.WSIdentity.Namespace ) )
{
if( readDisplayToken )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestedDisplayTokenElementsFound ) ) );
}
rstr.DisplayToken = CreateDisplayToken( reader );
readDisplayToken = true;
}
else if( reader.IsStartElement( profile.WSTrust.RequestedAttachedReference, profile.WSTrust.Namespace ) )
{
if( readAttachedReference )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestedAttachedReferenceElementsFound ) ) );
}
reader.ReadStartElement();
rstr.RequestedAttachedReference = tokenSerializer.ReadKeyIdentifierClause( reader );
reader.ReadEndElement(); // wst:RequestedAttachedReference
readAttachedReference = true;
}
else if( reader.IsStartElement( profile.WSTrust.RequestedUnattachedReference, profile.WSTrust.Namespace ) )
{
if( readUnattachedReference )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestedUnattachedReferenceElementsFound ) ) );
}
reader.ReadStartElement();
rstr.RequestedUnattachedReference = tokenSerializer.ReadKeyIdentifierClause( reader );
reader.ReadEndElement(); // wst:RequestedUnattachedReference
readUnattachedReference = true;
}
else if( reader.IsStartElement( profile.WSTrust.RequestType, profile.WSTrust.Namespace ) )
{
if( readRequestType )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.MultipleRequestTypeElementsFound ) ) );
}
rstr.RequestType = reader.ReadElementContentAsString();
//
// We only support this currently
//
if( profile.WSTrust.IssueRequestType != rstr.RequestType )
{
throw IDT.ThrowHelperError(
new InvalidOperationException( SR.GetString(
SR.OnlyIssueRequestTypeSupported,
rstr.RequestType,
profile.WSTrust.IssueRequestType ) ) );
}
readRequestType = true;
}
else
{
reader.Skip();
}
}
//
// RequestSecurityTokenResponse
//
reader.ReadEndElement();
//
// If we are using the Oasis 2007 version of WSTrust,
// read the element closing tag for ResquestSecurityTokenResponseCollection.
// Since we do not support multiple RSTRs, we assert here if we fail to read
// the closing element of the RSTR Collection.
//
if( XmlNames.WSSpecificationVersion.WSTrustOasis2007 == profile.WSTrust.Version )
{
if( !( ( profile.WSTrust.RequestSecurityTokenResponseCollection == reader.LocalName ) &&
( profile.WSTrust.Namespace == reader.NamespaceURI ) &&
( reader.NodeType == XmlNodeType.EndElement ) ) )
{
//
//
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.ServiceSTSCommunicationFailed ) ) );
}
reader.ReadEndElement();
}
return rstr;
}
//
// Summary
// Retrieve bearer issued token from the RSTR
//
// Parameters
// reader - the reader positioned at
// tokenSerializer - the token serializer to deserialize proof and entropy tokens in RSTR
// tokenResolver - optional token resolver needed by the token serializer while deserializing tokens
// displayToken (out) - display token if present in the RSTR
//
public static GenericXmlSecurityToken ProcessBearerTokenData( XmlDictionaryReader reader, SecurityTokenSerializer tokenSerializer, SecurityTokenResolver resolver, ProtocolProfile profile, out DisplayToken displayToken )
{
RequestSecurityTokenResponse rstr = ReadRequestSecurityTokenResponse( reader, tokenSerializer, resolver, profile );
displayToken = rstr.DisplayToken ?? new DisplayToken();
rstr.ValidateRstrContents( SecurityKeyTypeInternal.NoKey );
SecurityToken proofToken = s_noProofToken;
return new GenericXmlSecurityToken( rstr.IssuedTokenElement, proofToken, rstr.Created, rstr.Expires, rstr.RequestedAttachedReference, rstr.RequestedUnattachedReference, null );
}
//
// Summary
// Retrieve symmetric issued token from the RSTR
//
// Parameters
// reader - the reader positioned at
// tokenSerializer - the token serializer to deserialize proof and entropy tokens in RSTR
// tokenResolver - optional token resolver needed by the token serializer while deserializing tokens
// displayToken (out) - display token if present in the RSTR
//
public static GenericXmlSecurityToken ProcessSymmetricTokenData(
XmlDictionaryReader reader, SecurityTokenSerializer tokenSerializer, SecurityTokenResolver resolver,
byte[] clientEntropyForSymmetric, ProtocolProfile profile , out DisplayToken displayToken )
{
RequestSecurityTokenResponse rstr = ReadRequestSecurityTokenResponse( reader, tokenSerializer, resolver, profile );
displayToken = rstr.DisplayToken ?? new DisplayToken();
rstr.ValidateRstrContents( SecurityKeyTypeInternal.SymmetricKey );
//
// Handle no proof key, issuer entropy ONLY, recipient entropy, combined entropy
//
if( rstr.EntropyToken != null )
{
IDT.Assert(
profile.WSTrust.ComputedKeyAlgorithm == rstr.ComputedKeyAlgorithm,
"We already made sure it is PSHA1 while processing RSTR" );
//
// the wst:Entropy element allows for wst:BinarySecret or xenc:EncryptedKey
// and if it is not decrypted by this point, the entropy information is not supported.
//
BinarySecretSecurityToken binToken = rstr.EntropyToken as BinarySecretSecurityToken;
if( null != binToken )
{
int rstKeySize = clientEntropyForSymmetric.Length * 8;
int keySizeToUse = rstr.GetIntelligentKeySize( true, rstKeySize );
if( keySizeToUse != rstKeySize )
{
throw IDT.ThrowHelperError(
new InvalidOperationException( SR.SymmetricProofKeyLengthMismatch ) );
}
byte[] symmetricProofKeyBytes = RequestSecurityTokenResponse.ComputeCombinedKey(
clientEntropyForSymmetric,
binToken.GetKeyBytes(),
rstKeySize );
rstr.ProofToken = new BinarySecretSecurityToken( symmetricProofKeyBytes );
}
else
{
//
// The IP/STS probably sent an xenc:encryptedkey element in wst:rstr/wst:entropy
// There is no apriori key esp. in the symmetric key case for us to be able to
// decrypt this information, hence not supported.
//
throw IDT.ThrowHelperError( new TrustExchangeException(
SR.GetString( SR.InvalidEntropyContents ) ) );
}
}
else if( rstr.ProofToken != null )
{
//
// Issuer ignored our entropy, nothing to do
//
}
else
{
//
// STS used our entropy
//
byte[] symmetricProofKeyBytes = clientEntropyForSymmetric;
rstr.ProofToken = new BinarySecretSecurityToken( symmetricProofKeyBytes );
}
return new GenericXmlSecurityToken( rstr.IssuedTokenElement, rstr.ProofToken, rstr.Created, rstr.Expires, rstr.RequestedAttachedReference, rstr.RequestedUnattachedReference, null );
}
//
// Summary
// Retrieve asymmetric issued token from the RSTR
//
// Parameters
// reader - the reader positioned at
// tokenSerializer - the token serializer to deserialize proof and entropy tokens in RSTR
// tokenResolver - optional token resolver needed by the token serializer while deserializing tokens
//
public static GenericXmlSecurityToken ProcessAsymmetricTokenData( XmlDictionaryReader reader, RSA rsa, SecurityTokenSerializer tokenSerializer, SecurityTokenResolver resolver, ProtocolProfile profile, out DisplayToken displayToken )
{
IDT.Assert( null != rsa, "null rsa" );
RequestSecurityTokenResponse rstr = ReadRequestSecurityTokenResponse( reader, tokenSerializer, resolver, profile );
displayToken = rstr.DisplayToken ?? new DisplayToken();
rstr.ValidateRstrContents( SecurityKeyTypeInternal.AsymmetricKey );
SecurityToken proofToken = new RsaSecurityToken( rsa );
return new GenericXmlSecurityToken( rstr.IssuedTokenElement, proofToken, rstr.Created, rstr.Expires, rstr.RequestedAttachedReference, rstr.RequestedUnattachedReference, null );
}
//
// Summary
// Construct the display token using information from the RSTR
//
// Parameters
// reader - The reader positioned at the RequestSecurityTokenResponse/RequestedDisplayToken
//
// Returns
// The display token
//
static DisplayToken CreateDisplayToken( XmlDictionaryReader reader )
{
IDT.Assert( null != reader, "null reader" );
IDT.TraceDebug( "IPSTSCLIENT: Retrieving the display token from the RSTR xml" );
DisplayToken token = new DisplayToken();
XmlReader validatingReader = InfoCardSchemas.CreateReader( reader.ReadOuterXml() );
try
{
validatingReader.ReadStartElement( XmlNames.WSIdentity.RequestedDisplayTokenElement, XmlNames.WSIdentity.Namespace );
validatingReader.ReadStartElement( XmlNames.WSIdentity.DisplayTokenElement, XmlNames.WSIdentity.Namespace );
while( validatingReader.IsStartElement() )
{
if( validatingReader.IsStartElement( XmlNames.WSIdentity.DisplayClaimElement, XmlNames.WSIdentity.Namespace ) )
{
IDT.TraceDebug( "IPSTSCLIENT: Reading claims list from display token" );
List claims = new List();
while( validatingReader.IsStartElement() )
{
if( validatingReader.IsStartElement( XmlNames.WSIdentity.DisplayClaimElement, XmlNames.WSIdentity.Namespace ) )
{
DisplayClaim clm = ReadDisplayClaim( validatingReader );
if( null != clm )
{
claims.Add( clm );
}
}
else
{
validatingReader.Skip();
}
}
token = new DisplayToken( claims );
}
else if( validatingReader.IsStartElement( XmlNames.WSIdentity.DisplayTokenTextElement, XmlNames.WSIdentity.Namespace ) )
{
IDT.TraceDebug( "IPSTSCLIENT: Reading claims text string from display token" );
string mimeType = validatingReader.GetAttribute( XmlNames.WSIdentity.MimeTypeAttribute );
string text = validatingReader.ReadElementContentAsString();
if( !String.IsNullOrEmpty( text ) && !String.IsNullOrEmpty( mimeType ) )
{
token = new DisplayToken( text, mimeType );
}
}
else
{
validatingReader.Skip();
}
}
validatingReader.ReadEndElement(); // wsi:DisplayTokenElement
validatingReader.ReadEndElement(); // wsi:RequestedDisplayTokenElement
}
catch( Exception e )
{
token = null;
if( IDT.IsFatal( e ) )
{
throw;
}
}
return token;
}
//
// Summary
// Read a display claim
//
// Parameters
// Reader from which data is being read.
//
// Return
// Display Claim
//
static DisplayClaim ReadDisplayClaim( XmlReader reader )
{
//
// read each display claim
//
if( !reader.IsStartElement( XmlNames.WSIdentity.DisplayClaimElement, XmlNames.WSIdentity.Namespace ) )
{
throw IDT.ThrowHelperError( new XmlException( SR.GetString( SR.UnexpectedElement ) ) );
}
string name = String.Empty;
List values = new List();
string description = String.Empty;
string uri = String.Empty;
//
// Look for the qualified name.
//
uri = reader.GetAttribute( XmlNames.WSIdentity.UriAttribute, XmlNames.WSIdentity.Namespace );
//
// Look for the unqualified name.
//
if( String.IsNullOrEmpty( uri ) )
{
uri = reader.GetAttribute( XmlNames.WSIdentity.UriAttribute );
}
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if( !isEmptyElement )
{
while( reader.IsStartElement() )
{
if( reader.IsStartElement( XmlNames.WSIdentity.DisplayTagElement, XmlNames.WSIdentity.Namespace ) )
{
name = reader.ReadElementContentAsString();
}
else if( reader.IsStartElement( XmlNames.WSIdentity.DisplayValueElement, XmlNames.WSIdentity.Namespace ) )
{
values.Add( reader.ReadElementContentAsString() );
}
else if( reader.IsStartElement( XmlNames.WSIdentity.DescriptionElement, XmlNames.WSIdentity.Namespace ) )
{
description = reader.ReadElementContentAsString();
}
else
{
reader.Skip();
}
}
reader.ReadEndElement();
}
return new DisplayClaim( name, values, description, uri );
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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