133 lines
3.7 KiB
C#
133 lines
3.7 KiB
C#
//
|
|
// Transform.cs - Transform implementation for XML Signature
|
|
//
|
|
// Author:
|
|
// Sebastien Pouliot <sebastien@ximian.com>
|
|
// Atsushi Enomoto <atsushi@ximian.com>
|
|
// Tim Coleman <tim@timcoleman.com>
|
|
//
|
|
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
|
|
// Copyright (C) Tim Coleman, 2004
|
|
// Copyright (C) 2004-2006 Novell Inc. (http://www.novell.com)
|
|
//
|
|
// 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.
|
|
//
|
|
|
|
using System.Collections;
|
|
using System.IO;
|
|
using System.Runtime.InteropServices;
|
|
using System.Security;
|
|
using System.Security.Policy;
|
|
using System.Xml;
|
|
|
|
namespace System.Security.Cryptography.Xml {
|
|
|
|
public abstract class Transform {
|
|
|
|
private string algo;
|
|
private XmlResolver xmlResolver;
|
|
private Hashtable propagated_namespaces = new Hashtable ();
|
|
|
|
protected Transform ()
|
|
{
|
|
if (SecurityManager.SecurityEnabled) {
|
|
xmlResolver = new XmlSecureResolver (new XmlUrlResolver (), (Evidence) new Evidence ());
|
|
} else {
|
|
xmlResolver = new XmlUrlResolver ();
|
|
}
|
|
}
|
|
|
|
#region Properties
|
|
|
|
public string Algorithm {
|
|
get { return algo; }
|
|
set { algo = value; }
|
|
}
|
|
|
|
public abstract Type[] InputTypes {
|
|
get;
|
|
}
|
|
|
|
public abstract Type[] OutputTypes {
|
|
get;
|
|
}
|
|
|
|
[ComVisible(false)]
|
|
public XmlResolver Resolver {
|
|
set { xmlResolver = value; }
|
|
}
|
|
|
|
[MonoTODO]
|
|
[ComVisible (false)]
|
|
public XmlElement Context {
|
|
get { throw new NotImplementedException (); }
|
|
set { throw new NotImplementedException (); }
|
|
}
|
|
|
|
[ComVisible (false)]
|
|
public Hashtable PropagatedNamespaces {
|
|
get { return propagated_namespaces; }
|
|
}
|
|
|
|
#endregion // Properties
|
|
|
|
#region Methods
|
|
[ComVisible (false)]
|
|
public virtual byte[] GetDigestedOutput (HashAlgorithm hash)
|
|
{
|
|
// no null check, MS throws a NullReferenceException here
|
|
return hash.ComputeHash ((Stream) GetOutput (typeof (Stream)));
|
|
}
|
|
|
|
protected abstract XmlNodeList GetInnerXml ();
|
|
|
|
public abstract object GetOutput ();
|
|
|
|
public abstract object GetOutput (Type type);
|
|
|
|
public XmlElement GetXml ()
|
|
{
|
|
XmlDocument document = new XmlDocument ();
|
|
document.XmlResolver = GetResolver ();
|
|
XmlElement xel = document.CreateElement (XmlSignature.ElementNames.Transform, XmlSignature.NamespaceURI);
|
|
xel.SetAttribute (XmlSignature.AttributeNames.Algorithm, algo);
|
|
XmlNodeList xnl = this.GetInnerXml ();
|
|
if (xnl != null) {
|
|
foreach (XmlNode xn in xnl) {
|
|
XmlNode importedNode = document.ImportNode (xn, true);
|
|
xel.AppendChild (importedNode);
|
|
}
|
|
}
|
|
return xel;
|
|
}
|
|
|
|
public abstract void LoadInnerXml (XmlNodeList nodeList);
|
|
|
|
public abstract void LoadInput (object obj);
|
|
|
|
internal XmlResolver GetResolver ()
|
|
{
|
|
return xmlResolver;
|
|
}
|
|
|
|
#endregion // Methods
|
|
}
|
|
}
|