120 lines
3.3 KiB
C#
120 lines
3.3 KiB
C#
//
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// Manifest.cs - Manifest implementation for XML Signature
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) 2004 Novell (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections;
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using System.Xml;
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namespace System.Security.Cryptography.Xml {
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internal class Manifest {
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private ArrayList references;
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private string id;
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private XmlElement element;
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public Manifest ()
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{
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references = new ArrayList ();
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}
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public Manifest (XmlElement xel) : this ()
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{
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LoadXml (xel);
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}
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public string Id {
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get { return id; }
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set {
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element = null;
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id = value;
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}
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}
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public ArrayList References {
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get { return references; }
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}
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public void AddReference (Reference reference)
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{
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references.Add (reference);
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}
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public XmlElement GetXml ()
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{
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if (element != null)
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return element;
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XmlDocument document = new XmlDocument ();
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XmlElement xel = document.CreateElement (XmlSignature.ElementNames.SignedInfo, XmlSignature.NamespaceURI);
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if (id != null)
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xel.SetAttribute (XmlSignature.AttributeNames.Id, id);
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// we add References afterward so we don't end up with extraneous
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// xmlns="..." in each reference elements.
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foreach (Reference r in references) {
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XmlNode xn = r.GetXml ();
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XmlNode newNode = document.ImportNode (xn, true);
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xel.AppendChild (newNode);
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}
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return xel;
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}
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private string GetAttribute (XmlElement xel, string attribute)
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{
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XmlAttribute xa = xel.Attributes [attribute];
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return ((xa != null) ? xa.InnerText : null);
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}
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public void LoadXml (XmlElement value)
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{
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if (value == null)
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throw new ArgumentNullException ("value");
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if ((value.LocalName != XmlSignature.ElementNames.Manifest) || (value.NamespaceURI != XmlSignature.NamespaceURI))
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throw new CryptographicException ();
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id = GetAttribute (value, XmlSignature.AttributeNames.Id);
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for (int i = 0; i < value.ChildNodes.Count; i++) {
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XmlNode n = value.ChildNodes [i];
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if (n.NodeType == XmlNodeType.Element &&
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n.LocalName == XmlSignature.ElementNames.Reference &&
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n.NamespaceURI == XmlSignature.NamespaceURI) {
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Reference r = new Reference ();
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r.LoadXml ((XmlElement) n);
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AddReference (r);
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}
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}
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element = value;
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}
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}
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}
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