public static XmlAttributeHolder[] ReadAttributes(XmlDictionaryReader reader, ref int maxSizeOfHeaders)
{
if (reader.AttributeCount == 0)
{
return emptyArray;
}
XmlAttributeHolder[] holderArray = new XmlAttributeHolder[reader.AttributeCount];
reader.MoveToFirstAttribute();
for (int i = 0; i < holderArray.Length; i++)
{
string namespaceURI = reader.NamespaceURI;
string localName = reader.LocalName;
string prefix = reader.Prefix;
string s = string.Empty;
while (reader.ReadAttributeValue())
{
if (s.Length == 0)
{
s = reader.Value;
}
else
{
s = s + reader.Value;
}
}
Deduct(prefix, ref maxSizeOfHeaders);
Deduct(localName, ref maxSizeOfHeaders);
Deduct(namespaceURI, ref maxSizeOfHeaders);
Deduct(s, ref maxSizeOfHeaders);
holderArray[i] = new XmlAttributeHolder(prefix, localName, namespaceURI, s);
reader.MoveToNextAttribute();
}
reader.MoveToElement();
return holderArray;
}
internal static XmlDictionaryReader CreateSplicedReader(byte[] decryptedBuffer, XmlAttributeHolder[] outerContext1, XmlAttributeHolder[] outerContext2, XmlAttributeHolder[] outerContext3, XmlDictionaryReaderQuotas quotas)
{
MemoryStream stream = new MemoryStream();
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(stream);
writer.WriteStartElement("x");
WriteNamespaceDeclarations(outerContext1, writer);
writer.WriteStartElement("y");
WriteNamespaceDeclarations(outerContext2, writer);
writer.WriteStartElement("z");
WriteNamespaceDeclarations(outerContext3, writer);
writer.WriteString(" ");
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.Flush();
XmlDictionaryReader reader = XmlDictionaryReader.CreateTextReader(SpliceBuffers(decryptedBuffer, stream.GetBuffer(), (int) stream.Length, 3), quotas);
reader.ReadStartElement("x");
reader.ReadStartElement("y");
reader.ReadStartElement("z");
if (reader.NodeType != XmlNodeType.Element)
{
reader.MoveToContent();
}
return reader;
}
public static void WriteAttributes(XmlAttributeHolder[] attributes, XmlWriter writer)
{
for (int i = 0; i < attributes.Length; i++)
{
attributes[i].WriteTo(writer);
}
}
public BufferedHeader(MessageVersion version, XmlBuffer buffer, XmlDictionaryReader reader, XmlAttributeHolder[] envelopeAttributes, XmlAttributeHolder[] headerAttributes)
{
this.streamed = true;
this.buffer = buffer;
this.version = version;
MessageHeader.GetHeaderAttributes(reader, version, out this.actor, out this.mustUnderstand, out this.relay, out this.isRefParam);
this.name = reader.LocalName;
this.ns = reader.NamespaceURI;
this.bufferIndex = buffer.SectionCount;
XmlDictionaryWriter writer = buffer.OpenSection(reader.Quotas);
writer.WriteStartElement("Envelope");
if (envelopeAttributes != null)
{
XmlAttributeHolder.WriteAttributes(envelopeAttributes, writer);
}
writer.WriteStartElement("Header");
if (headerAttributes != null)
{
XmlAttributeHolder.WriteAttributes(headerAttributes, writer);
}
writer.WriteNode(reader, false);
writer.WriteEndElement();
writer.WriteEndElement();
buffer.CloseSection();
}
private static void WriteNamespaceDeclarations(XmlAttributeHolder[] attributes, XmlWriter writer)
{
if (attributes != null)
{
for (int i = 0; i < attributes.Length; i++)
{
XmlAttributeHolder holder = attributes[i];
if (IsNamespaceDeclaration(holder.Prefix, holder.LocalName))
{
holder.WriteTo(writer);
}
}
}
}
public DecryptedHeader(byte[] decryptedBuffer,
XmlAttributeHolder[] envelopeAttributes, XmlAttributeHolder[] headerAttributes,
MessageVersion version, SignatureTargetIdManager idManager, XmlDictionaryReaderQuotas quotas)
{
if (quotas == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("quotas");
this.decryptedBuffer = decryptedBuffer;
this.version = version;
this.envelopeAttributes = envelopeAttributes;
this.headerAttributes = headerAttributes;
this.quotas = quotas;
XmlDictionaryReader reader = CreateReader();
reader.MoveToStartElement();
this.name = reader.LocalName;
this.namespaceUri = reader.NamespaceURI;
MessageHeader.GetHeaderAttributes(reader, version, out this.actor, out this.mustUnderstand, out this.relay, out this.isRefParam);
this.id = idManager.ExtractId(reader);
this.cachedReader = reader;
}
internal static XmlDictionaryReader CreateSplicedReader(byte[] decryptedBuffer,
XmlAttributeHolder[] outerContext1, XmlAttributeHolder[] outerContext2, XmlAttributeHolder[] outerContext3, XmlDictionaryReaderQuotas quotas)
{
const string wrapper1 = "x";
const string wrapper2 = "y";
const string wrapper3 = "z";
const int wrappingDepth = 3;
MemoryStream stream = new MemoryStream();
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(stream);
writer.WriteStartElement(wrapper1);
WriteNamespaceDeclarations(outerContext1, writer);
writer.WriteStartElement(wrapper2);
WriteNamespaceDeclarations(outerContext2, writer);
writer.WriteStartElement(wrapper3);
WriteNamespaceDeclarations(outerContext3, writer);
writer.WriteString(" "); // ensure non-empty element
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.Flush();
byte[] splicedBuffer = SpliceBuffers(decryptedBuffer, stream.GetBuffer(), (int) stream.Length, wrappingDepth);
XmlDictionaryReader reader = XmlDictionaryReader.CreateTextReader(splicedBuffer, quotas);
reader.ReadStartElement(wrapper1);
reader.ReadStartElement(wrapper2);
reader.ReadStartElement(wrapper3);
if (reader.NodeType != XmlNodeType.Element)
{
reader.MoveToContent();
}
return reader;
}
public static string GetAttribute(XmlAttributeHolder[] attributes, string localName, string ns)
{
for (int i = 0; i < attributes.Length; i++)
{
if ((attributes[i].LocalName == localName) && (attributes[i].NamespaceUri == ns))
{
return attributes[i].Value;
}
}
return null;
}
public BufferedHeader(MessageVersion version, XmlBuffer buffer, XmlDictionaryReader reader, XmlAttributeHolder[] envelopeAttributes, XmlAttributeHolder[] headerAttributes)
{
_streamed = true;
_buffer = buffer;
_version = version;
GetHeaderAttributes(reader, version, out _actor, out _mustUnderstand, out _relay, out _isRefParam);
_name = reader.LocalName;
_ns = reader.NamespaceURI;
Fx.Assert(_name != null, "");
Fx.Assert(_ns != null, "");
_bufferIndex = buffer.SectionCount;
XmlDictionaryWriter writer = buffer.OpenSection(reader.Quotas);
// Write an enclosing Envelope tag
writer.WriteStartElement(MessageStrings.Envelope);
if (envelopeAttributes != null)
XmlAttributeHolder.WriteAttributes(envelopeAttributes, writer);
// Write and enclosing Header tag
writer.WriteStartElement(MessageStrings.Header);
if (headerAttributes != null)
XmlAttributeHolder.WriteAttributes(headerAttributes, writer);
writer.WriteNode(reader, false);
writer.WriteEndElement();
writer.WriteEndElement();
buffer.CloseSection();
}
