Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/Microsoft/Xades/XadesObject.cs

@@ -0,0 +1,164 @@
+// XadesObject.cs
+//
+// XAdES Starter Kit for Microsoft .NET 3.5 (and above)
+// 2010 Microsoft France
+// Published under the CECILL-B Free Software license agreement.
+// (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
+// 
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, 
+// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED 
+// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. 
+// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE 
+// AND INFORMATION REMAINS WITH THE USER.
+
+using System;
+using System.Security.Cryptography;
+using System.Security.Cryptography.Xml;
+using System.Xml;
+
+namespace Microsoft.Xades
+{
+    /// <summary>
+    /// This class represents the unique object of a XAdES signature that
+    /// contains all XAdES information
+    /// </summary>
+    public class XadesObject
+    {
+        #region Private variable
+        private string id;
+        private QualifyingProperties qualifyingProperties;
+        #endregion
+
+        #region Public properties
+        /// <summary>
+        /// Id attribute of the XAdES object
+        /// </summary>
+        public string Id
+        {
+            get
+            {
+                return this.id;
+            }
+            set
+            {
+                this.id = value;
+            }
+        }
+
+        /// <summary>
+        /// The QualifyingProperties element acts as a container element for
+        /// all the qualifying information that should be added to an XML
+        /// signature
+        /// </summary>
+        public QualifyingProperties QualifyingProperties
+        {
+            get
+            {
+                return this.qualifyingProperties;
+            }
+            set
+            {
+                this.qualifyingProperties = value;
+            }
+        }
+        #endregion
+
+        #region Constructors
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public XadesObject()
+        {
+            this.qualifyingProperties = new QualifyingProperties();
+        }
+        #endregion
+
+        #region Public methods
+        /// <summary>
+        /// Check to see if something has changed in this instance and needs to be serialized
+        /// </summary>
+        /// <returns>Flag indicating if a member needs serialization</returns>
+        public bool HasChanged()
+        {
+            bool retVal = false;
+
+            if (this.id != null && this.id != "")
+            {
+                retVal = true;
+            }
+
+            if (this.qualifyingProperties != null && this.qualifyingProperties.HasChanged())
+            {
+                retVal = true;
+            }
+
+            return retVal;
+        }
+
+        /// <summary>
+        /// Load state from an XML element
+        /// </summary>
+        /// <param name="xmlElement">XML element containing new state</param>
+        /// <param name="counterSignedXmlElement">Element containing parent signature (needed if there are counter signatures)</param>
+        public void LoadXml(XmlElement xmlElement, XmlElement counterSignedXmlElement)
+        {
+            XmlNamespaceManager xmlNamespaceManager;
+            XmlNodeList xmlNodeList;
+
+            if (xmlElement == null)
+            {
+                throw new ArgumentNullException("xmlElement");
+            }
+            if (xmlElement.HasAttribute("Id"))
+            {
+                this.id = xmlElement.GetAttribute("Id");
+            }
+            else
+            {
+                this.id = "";
+            }
+
+            xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
+            xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:QualifyingProperties", xmlNamespaceManager);
+            if (xmlNodeList.Count == 0)
+            {
+                throw new CryptographicException("QualifyingProperties missing");
+            }
+            this.qualifyingProperties = new QualifyingProperties();
+            this.qualifyingProperties.LoadXml((XmlElement)xmlNodeList.Item(0), counterSignedXmlElement);
+
+            xmlNodeList = xmlElement.SelectNodes("xsd:QualifyingPropertiesReference", xmlNamespaceManager);
+            if (xmlNodeList.Count != 0)
+            {
+                throw new CryptographicException("Current implementation can't handle QualifyingPropertiesReference element");
+            }
+        }
+
+        /// <summary>
+        /// Returns the XML representation of the this object
+        /// </summary>
+        /// <returns>XML element containing the state of this object</returns>
+        public XmlElement GetXml()
+        {
+            XmlDocument creationXmlDocument;
+            XmlElement retVal;
+
+            creationXmlDocument = new XmlDocument();
+            retVal = creationXmlDocument.CreateElement("ds", "Object", SignedXml.XmlDsigNamespaceUrl);
+            if (this.id != null && this.id != "")
+            {
+                retVal.SetAttribute("Id", this.id);
+            }
+
+            if (this.qualifyingProperties != null && this.qualifyingProperties.HasChanged())
+            {
+                retVal.AppendChild(creationXmlDocument.ImportNode(this.qualifyingProperties.GetXml(), true));
+            }
+
+            return retVal;
+        }
+        #endregion
+    }
+}