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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Security
{
using System;
using System.Collections.Generic;
using System.IdentityModel;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
using System.Xml;
using KeyIdentifierClauseEntry = System.IdentityModel.Selectors.SecurityTokenSerializer.KeyIdentifierClauseEntry;
internal class WSTrust : SecurityTokenSerializer.SerializerEntries
{
KeyInfoSerializer securityTokenSerializer;
TrustDictionary serializerDictionary;
public WSTrust(KeyInfoSerializer securityTokenSerializer, TrustDictionary serializerDictionary)
{
this.securityTokenSerializer = securityTokenSerializer;
this.serializerDictionary = serializerDictionary;
}
public TrustDictionary SerializerDictionary
{
get
{
return this.serializerDictionary;
}
}
public override void PopulateTokenEntries(IList<SecurityTokenSerializer.TokenEntry> tokenEntryList)
{
tokenEntryList.Add(new BinarySecretTokenEntry(this));
}
public override void PopulateKeyIdentifierClauseEntries(IList<SecurityTokenSerializer.KeyIdentifierClauseEntry> keyIdentifierClauseEntries)
{
keyIdentifierClauseEntries.Add(new BinarySecretClauseEntry(this));
keyIdentifierClauseEntries.Add(new GenericXmlSecurityKeyIdentifierClauseEntry(this));
}
class BinarySecretTokenEntry : SecurityTokenSerializer.TokenEntry
{
WSTrust parent;
public BinarySecretTokenEntry(WSTrust parent)
{
this.parent = parent;
}
protected override XmlDictionaryString LocalName { get { return parent.SerializerDictionary.BinarySecret; } }
protected override XmlDictionaryString NamespaceUri { get { return parent.SerializerDictionary.Namespace; } }
protected override Type[] GetTokenTypesCore() { return new Type[] { typeof(BinarySecretSecurityToken) }; }
public override string TokenTypeUri { get { return null; } }
protected override string ValueTypeUri { get { return null; } }
}
internal class BinarySecretClauseEntry : KeyIdentifierClauseEntry
{
WSTrust parent;
TrustDictionary otherDictionary = null;
public BinarySecretClauseEntry(WSTrust parent)
{
this.parent = parent;
this.otherDictionary = null;
if (parent.SerializerDictionary is TrustDec2005Dictionary)
{
this.otherDictionary = parent.securityTokenSerializer.DictionaryManager.TrustFeb2005Dictionary;
}
if (parent.SerializerDictionary is TrustFeb2005Dictionary)
{
this.otherDictionary = parent.securityTokenSerializer.DictionaryManager.TrustDec2005Dictionary;
}
// always set it, so we don't have to worry about null
if (this.otherDictionary == null)
this.otherDictionary = this.parent.SerializerDictionary;
}
protected override XmlDictionaryString LocalName
{
get { return this.parent.SerializerDictionary.BinarySecret; }
}
protected override XmlDictionaryString NamespaceUri
{
get { return this.parent.SerializerDictionary.Namespace; }
}
public override SecurityKeyIdentifierClause ReadKeyIdentifierClauseCore(XmlDictionaryReader reader)
{
byte[] secret = reader.ReadElementContentAsBase64();
return new BinarySecretKeyIdentifierClause(secret, false);
}
public override bool SupportsCore(SecurityKeyIdentifierClause keyIdentifierClause)
{
return keyIdentifierClause is BinarySecretKeyIdentifierClause;
}
public override bool CanReadKeyIdentifierClauseCore(XmlDictionaryReader reader)
{
return (reader.IsStartElement(this.LocalName, this.NamespaceUri) || reader.IsStartElement(this.LocalName, this.otherDictionary.Namespace));
}
public override void WriteKeyIdentifierClauseCore(XmlDictionaryWriter writer, SecurityKeyIdentifierClause keyIdentifierClause)
{
BinarySecretKeyIdentifierClause skic = keyIdentifierClause as BinarySecretKeyIdentifierClause;
byte[] secret = skic.GetKeyBytes();
writer.WriteStartElement(this.parent.SerializerDictionary.Prefix.Value, this.parent.SerializerDictionary.BinarySecret, this.parent.SerializerDictionary.Namespace);
writer.WriteBase64(secret, 0, secret.Length);
writer.WriteEndElement();
}
}
internal class GenericXmlSecurityKeyIdentifierClauseEntry : KeyIdentifierClauseEntry
{
private WSTrust parent;
public GenericXmlSecurityKeyIdentifierClauseEntry(WSTrust parent)
{
this.parent = parent;
}
protected override XmlDictionaryString LocalName
{
get { return null; }
}
protected override XmlDictionaryString NamespaceUri
{
get { return null; }
}
public override bool CanReadKeyIdentifierClauseCore(XmlDictionaryReader reader)
{
return false;
}
public override SecurityKeyIdentifierClause ReadKeyIdentifierClauseCore(XmlDictionaryReader reader)
{
return null;
}
public override bool SupportsCore(SecurityKeyIdentifierClause keyIdentifierClause)
{
return keyIdentifierClause is GenericXmlSecurityKeyIdentifierClause;
}
public override void WriteKeyIdentifierClauseCore(XmlDictionaryWriter writer, SecurityKeyIdentifierClause keyIdentifierClause)
{
GenericXmlSecurityKeyIdentifierClause genericXmlSecurityKeyIdentifierClause = keyIdentifierClause as GenericXmlSecurityKeyIdentifierClause;
genericXmlSecurityKeyIdentifierClause.ReferenceXml.WriteTo(writer);
}
}
protected static bool CheckElement(XmlElement element, string name, string ns, out string value)
{
value = null;
if (element.LocalName != name || element.NamespaceURI != ns)
return false;
if (element.FirstChild is XmlText)
{
value = ((XmlText)element.FirstChild).Value;
return true;
}
return false;
}
}
}
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