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//
// Manifest.cs - Manifest implementation for XML Signature
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2004 Novell (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.Xml;
namespace System.Security.Cryptography.Xml {
internal class Manifest {
private ArrayList references;
private string id;
private XmlElement element;
public Manifest ()
{
references = new ArrayList ();
}
public Manifest (XmlElement xel) : this ()
{
LoadXml (xel);
}
public string Id {
get { return id; }
set {
element = null;
id = value;
}
}
public ArrayList References {
get { return references; }
}
public void AddReference (Reference reference)
{
references.Add (reference);
}
public XmlElement GetXml ()
{
if (element != null)
return element;
XmlDocument document = new XmlDocument ();
XmlElement xel = document.CreateElement (XmlSignature.ElementNames.SignedInfo, XmlSignature.NamespaceURI);
if (id != null)
xel.SetAttribute (XmlSignature.AttributeNames.Id, id);
// we add References afterward so we don't end up with extraneous
// xmlns="..." in each reference elements.
foreach (Reference r in references) {
XmlNode xn = r.GetXml ();
XmlNode newNode = document.ImportNode (xn, true);
xel.AppendChild (newNode);
}
return xel;
}
private string GetAttribute (XmlElement xel, string attribute)
{
XmlAttribute xa = xel.Attributes [attribute];
return ((xa != null) ? xa.InnerText : null);
}
public void LoadXml (XmlElement value)
{
if (value == null)
throw new ArgumentNullException ("value");
if ((value.LocalName != XmlSignature.ElementNames.Manifest) || (value.NamespaceURI != XmlSignature.NamespaceURI))
throw new CryptographicException ();
id = GetAttribute (value, XmlSignature.AttributeNames.Id);
for (int i = 0; i < value.ChildNodes.Count; i++) {
XmlNode n = value.ChildNodes [i];
if (n.NodeType == XmlNodeType.Element &&
n.LocalName == XmlSignature.ElementNames.Reference &&
n.NamespaceURI == XmlSignature.NamespaceURI) {
Reference r = new Reference ();
r.LoadXml ((XmlElement) n);
AddReference (r);
}
}
element = value;
}
}
}
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