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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System;
using System.Xml;
using System.ServiceModel.Channels;
internal sealed class BinaryNegotiation
{
private byte[] negotiationData;
XmlDictionaryString valueTypeUriDictionaryString;
string valueTypeUri;
public BinaryNegotiation(
string valueTypeUri,
byte[] negotiationData)
{
if (valueTypeUri == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("valueTypeUri");
}
if (negotiationData == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("negotiationData");
}
this.valueTypeUriDictionaryString = null;
this.valueTypeUri = valueTypeUri;
this.negotiationData = negotiationData;
}
public BinaryNegotiation(
XmlDictionaryString valueTypeDictionaryString,
byte[] negotiationData)
{
if (valueTypeDictionaryString == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("valueTypeDictionaryString");
}
if (negotiationData == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("negotiationData");
}
this.valueTypeUriDictionaryString = valueTypeDictionaryString;
this.valueTypeUri = valueTypeDictionaryString.Value;
this.negotiationData = negotiationData;
}
public void Validate(XmlDictionaryString valueTypeUriDictionaryString)
{
if (this.valueTypeUri != valueTypeUriDictionaryString.Value)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityNegotiationException(SR.GetString(SR.IncorrectBinaryNegotiationValueType, this.valueTypeUri)));
}
this.valueTypeUriDictionaryString = valueTypeUriDictionaryString;
}
public void WriteTo(XmlDictionaryWriter writer, string prefix, XmlDictionaryString localName, XmlDictionaryString ns, XmlDictionaryString valueTypeLocalName, XmlDictionaryString valueTypeNs)
{
writer.WriteStartElement(prefix, localName, ns);
writer.WriteStartAttribute(valueTypeLocalName, valueTypeNs);
if (valueTypeUriDictionaryString != null)
writer.WriteString(valueTypeUriDictionaryString);
else
writer.WriteString(valueTypeUri);
writer.WriteEndAttribute();
writer.WriteStartAttribute(XD.SecurityJan2004Dictionary.EncodingType, null);
writer.WriteString(XD.SecurityJan2004Dictionary.EncodingTypeValueBase64Binary);
writer.WriteEndAttribute();
writer.WriteBase64(this.negotiationData, 0, this.negotiationData.Length);
writer.WriteEndElement();
}
public string ValueTypeUri
{
get
{
return this.valueTypeUri;
}
}
public byte[] GetNegotiationData()
{
// avoid copying since this is internal and callers use it as read-only
return this.negotiationData;
}
}
}
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