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//
// XmlDsigExcC14NTransform.cs - XmlDsigExcC14NTransform implementation for XML Encryption
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2004
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using Mono.Xml;
using System.IO;
using System.Xml;
namespace System.Security.Cryptography.Xml {
public class XmlDsigExcC14NTransform : Transform {
#region Fields
XmlCanonicalizer canonicalizer;
object inputObj;
string inclusiveNamespacesPrefixList;
bool includeComments;
#endregion // Fields
#region Constructors
public XmlDsigExcC14NTransform ()
{
Algorithm = XmlSignature.AlgorithmNamespaces.XmlDsigExcC14NTransform;
canonicalizer = new XmlCanonicalizer (true, false);
}
public XmlDsigExcC14NTransform (bool includeComments)
{
this.includeComments = includeComments;
canonicalizer = new XmlCanonicalizer (true, includeComments);
}
[MonoTODO ("What does inclusiveNamespacesPrefixList mean?")]
public XmlDsigExcC14NTransform (string inclusiveNamespacesPrefixList)
{
this.inclusiveNamespacesPrefixList = inclusiveNamespacesPrefixList;
}
[MonoTODO ("What does inclusiveNamespacesPrefixList mean?")]
public XmlDsigExcC14NTransform (bool includeComments, string inclusiveNamespacesPrefixList)
{
this.inclusiveNamespacesPrefixList = inclusiveNamespacesPrefixList;
this.includeComments = includeComments;
}
#endregion // Constructors
#region Properties
public string InclusiveNamespacesPrefixList {
get { return inclusiveNamespacesPrefixList; }
set { inclusiveNamespacesPrefixList = value; }
}
public override Type[] InputTypes {
get { return new Type [3] {typeof (System.IO.Stream), typeof (System.Xml.XmlDocument), typeof (System.Xml.XmlNodeList)}; }
}
public override Type[] OutputTypes {
get { return new Type [1] {typeof (System.IO.Stream)}; }
}
#endregion // Properties
#region Methods
public override byte[] GetDigestedOutput (HashAlgorithm hash)
{
return hash.ComputeHash ((Stream) GetOutput());
}
protected override XmlNodeList GetInnerXml ()
{
return null;
}
public override object GetOutput ()
{
Stream s = null;
if (inputObj is Stream) {
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true; // REALLY IMPORTANT
doc.Load (inputObj as Stream);
s = canonicalizer.Canonicalize (doc);
}
else if (inputObj is XmlDocument)
s = canonicalizer.Canonicalize (inputObj as XmlDocument);
else if (inputObj is XmlNodeList)
s = canonicalizer.Canonicalize (inputObj as XmlNodeList);
// note: there is no default are other types won't throw an exception
return (object) s;
}
public override object GetOutput (Type type)
{
if (type == Type.GetType ("Stream"))
return GetOutput ();
throw new ArgumentException ("type");
}
public override void LoadInnerXml (XmlNodeList nodeList)
{
}
public override void LoadInput (object obj)
{
inputObj = obj;
}
#endregion // Methods
}
}
#endif
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