//
// Author:
// Sebastien Pouliot (spouliot@motus.com)
+// Atsushi Enomoto (atsushi@ximian.com)
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
+// (C) 2004 Novell Inc.
//
+//
+// 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.Xml;
namespace System.Security.Cryptography.Xml {
- [MonoTODO]
public class XmlDsigEnvelopedSignatureTransform : Transform {
private Type[] input;
private Type[] output;
private bool comments;
+ private object inputObj;
- public XmlDsigEnvelopedSignatureTransform ()
+ public XmlDsigEnvelopedSignatureTransform ()
+ : this (false)
{
- Algorithm = "http://www.w3.org/2000/09/xmldsig#enveloped-signature";
- comments = false;
}
public XmlDsigEnvelopedSignatureTransform (bool includeComments)
{
+ Algorithm = XmlSignature.AlgorithmNamespaces.XmlDsigEnvelopedSignatureTransform;
comments = includeComments;
}
public override Type[] InputTypes {
get {
if (input == null) {
- lock (this) {
- // this way the result is cached if called multiple time
- input = new Type [3];
- input[0] = typeof (System.IO.Stream);
- input[1] = typeof (System.Xml.XmlDocument);
- input[2] = typeof (System.Xml.XmlNodeList);
- }
+ input = new Type [3];
+ input[0] = typeof (System.IO.Stream);
+ input[1] = typeof (System.Xml.XmlDocument);
+ input[2] = typeof (System.Xml.XmlNodeList);
}
return input;
}
public override Type[] OutputTypes {
get {
if (output == null) {
- lock (this) {
- // this way the result is cached if called multiple time
- output = new Type [2];
- input[0] = typeof (System.Xml.XmlDocument);
- input[1] = typeof (System.Xml.XmlNodeList);
- }
+ output = new Type [2];
+ output [0] = typeof (System.Xml.XmlDocument);
+ output [1] = typeof (System.Xml.XmlNodeList);
}
return output;
}
return null; // THIS IS DOCUMENTED AS SUCH
}
- [MonoTODO()]
- public override object GetOutput()
+ // NOTE: This method never supports the requirements written
+ // in xmldsig spec that says its input is canonicalized before
+ // transforming. This method just removes Signature element.
+ // Canonicalization is done in SignedXml.
+ public override object GetOutput ()
{
-// return (object) new XmlNodeList ();
- return null;
+ XmlDocument doc = null;
+
+ // possible input: Stream, XmlDocument, and XmlNodeList
+ if (inputObj is Stream) {
+ doc = new XmlDocument ();
+ doc.PreserveWhitespace = true;
+ doc.XmlResolver = GetResolver ();
+ doc.Load (new XmlSignatureStreamReader (
+ new StreamReader (inputObj as Stream)));
+ return GetOutputFromNode (doc, GetNamespaceManager (doc), true);
+ }
+ else if (inputObj is XmlDocument) {
+ doc = inputObj as XmlDocument;
+ return GetOutputFromNode (doc, GetNamespaceManager (doc), true);
+ }
+ else if (inputObj is XmlNodeList) {
+ ArrayList al = new ArrayList ();
+ XmlNodeList nl = (XmlNodeList) inputObj;
+ if (nl.Count > 0) {
+ XmlNamespaceManager m = GetNamespaceManager (nl.Item (0));
+ ArrayList tmp = new ArrayList ();
+ foreach (XmlNode n in nl)
+ tmp.Add (n);
+ foreach (XmlNode n in tmp)
+ if (n.SelectNodes ("ancestor-or-self::dsig:Signature", m).Count == 0)
+ al.Add (GetOutputFromNode (n, m, false));
+ }
+ return new XmlDsigNodeList (al);
+ }
+ // Note that it is unexpected behavior with related to InputTypes (MS.NET accepts XmlElement)
+ else if (inputObj is XmlElement) {
+ XmlElement el = inputObj as XmlElement;
+ XmlNamespaceManager m = GetNamespaceManager (el);
+ if (el.SelectNodes ("ancestor-or-self::dsig:Signature", m).Count == 0)
+ return GetOutputFromNode (el, m, true);
+ }
+
+ throw new NullReferenceException ();
+ }
+
+ private XmlNamespaceManager GetNamespaceManager (XmlNode n)
+ {
+ XmlDocument doc = ((n is XmlDocument) ? (n as XmlDocument) : n.OwnerDocument);
+ XmlNamespaceManager nsmgr = new XmlNamespaceManager (doc.NameTable);
+ nsmgr.AddNamespace ("dsig", XmlSignature.NamespaceURI);
+ return nsmgr;
+ }
+
+ private XmlNode GetOutputFromNode (XmlNode input, XmlNamespaceManager nsmgr, bool remove)
+ {
+ if (remove) {
+ XmlNodeList nl = input.SelectNodes ("descendant-or-self::dsig:Signature", nsmgr);
+ ArrayList al = new ArrayList ();
+ foreach (XmlNode n in nl)
+ al.Add (n);
+ foreach (XmlNode n in al)
+ n.ParentNode.RemoveChild (n);
+ }
+ return input;
}
public override object GetOutput (Type type)
{
- if (type == Type.GetType ("Stream"))
+ if (type == typeof (Stream))
return GetOutput ();
throw new ArgumentException ("type");
}
// NO CHANGE
}
- [MonoTODO()]
public override void LoadInput (object obj)
{
- // if (type.Equals (Stream.GetType ())
+ inputObj = obj;
}
}
}