Add project
Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.
This commit is contained in:
270
Hcs.Client/Microsoft/Xades/TimeStamp.cs
Normal file
270
Hcs.Client/Microsoft/Xades/TimeStamp.cs
Normal file
@ -0,0 +1,270 @@
|
||||
// TimeStamp.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.Collections;
|
||||
using System.Security.Cryptography;
|
||||
using System.Xml;
|
||||
|
||||
namespace Microsoft.Xades
|
||||
{
|
||||
/// <summary>
|
||||
/// This class contains timestamp information
|
||||
/// </summary>
|
||||
public class TimeStamp
|
||||
{
|
||||
#region Private variables
|
||||
private string tagName;
|
||||
private HashDataInfoCollection hashDataInfoCollection;
|
||||
private EncapsulatedPKIData encapsulatedTimeStamp;
|
||||
private XMLTimeStamp xmlTimeStamp;
|
||||
#endregion
|
||||
|
||||
#region Public properties
|
||||
/// <summary>
|
||||
/// The name of the element when serializing
|
||||
/// </summary>
|
||||
public string TagName
|
||||
{
|
||||
get
|
||||
{
|
||||
return this.tagName;
|
||||
}
|
||||
set
|
||||
{
|
||||
this.tagName = value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// A collection of hash data infos
|
||||
/// </summary>
|
||||
public HashDataInfoCollection HashDataInfoCollection
|
||||
{
|
||||
get
|
||||
{
|
||||
return this.hashDataInfoCollection;
|
||||
}
|
||||
set
|
||||
{
|
||||
this.hashDataInfoCollection = value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// The time-stamp generated by a TSA encoded as an ASN.1 data
|
||||
/// object
|
||||
/// </summary>
|
||||
public EncapsulatedPKIData EncapsulatedTimeStamp
|
||||
{
|
||||
get
|
||||
{
|
||||
return this.encapsulatedTimeStamp;
|
||||
}
|
||||
set
|
||||
{
|
||||
this.encapsulatedTimeStamp = value;
|
||||
if (this.encapsulatedTimeStamp != null)
|
||||
{
|
||||
this.xmlTimeStamp = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// The time-stamp generated by a TSA encoded as a generic XML
|
||||
/// timestamp
|
||||
/// </summary>
|
||||
public XMLTimeStamp XMLTimeStamp
|
||||
{
|
||||
get
|
||||
{
|
||||
return this.xmlTimeStamp;
|
||||
}
|
||||
set
|
||||
{
|
||||
this.xmlTimeStamp = value;
|
||||
if (this.xmlTimeStamp != null)
|
||||
{
|
||||
this.encapsulatedTimeStamp = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region Constructors
|
||||
/// <summary>
|
||||
/// Default constructor
|
||||
/// </summary>
|
||||
public TimeStamp()
|
||||
{
|
||||
this.hashDataInfoCollection = new HashDataInfoCollection();
|
||||
this.encapsulatedTimeStamp = new EncapsulatedPKIData("EncapsulatedTimeStamp");
|
||||
this.xmlTimeStamp = null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor with TagName
|
||||
/// </summary>
|
||||
/// <param name="tagName">Name of the tag when serializing with GetXml</param>
|
||||
public TimeStamp(string tagName) : this()
|
||||
{
|
||||
this.tagName = tagName;
|
||||
}
|
||||
#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.hashDataInfoCollection.Count > 0)
|
||||
{
|
||||
retVal = true;
|
||||
}
|
||||
|
||||
if (this.encapsulatedTimeStamp != null && this.encapsulatedTimeStamp.HasChanged())
|
||||
{
|
||||
retVal = true;
|
||||
}
|
||||
|
||||
if (this.xmlTimeStamp != null && this.xmlTimeStamp.HasChanged())
|
||||
{
|
||||
retVal = true;
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Load state from an XML element
|
||||
/// </summary>
|
||||
/// <param name="xmlElement">XML element containing new state</param>
|
||||
public void LoadXml(System.Xml.XmlElement xmlElement)
|
||||
{
|
||||
XmlNamespaceManager xmlNamespaceManager;
|
||||
XmlNodeList xmlNodeList;
|
||||
IEnumerator enumerator;
|
||||
XmlElement iterationXmlElement;
|
||||
HashDataInfo newHashDataInfo;
|
||||
|
||||
if (xmlElement == null)
|
||||
{
|
||||
throw new ArgumentNullException("xmlElement");
|
||||
}
|
||||
|
||||
xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
|
||||
xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
|
||||
|
||||
this.hashDataInfoCollection.Clear();
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:HashDataInfo", xmlNamespaceManager);
|
||||
enumerator = xmlNodeList.GetEnumerator();
|
||||
try
|
||||
{
|
||||
while (enumerator.MoveNext())
|
||||
{
|
||||
iterationXmlElement = enumerator.Current as XmlElement;
|
||||
if (iterationXmlElement != null)
|
||||
{
|
||||
newHashDataInfo = new HashDataInfo();
|
||||
newHashDataInfo.LoadXml(iterationXmlElement);
|
||||
this.hashDataInfoCollection.Add(newHashDataInfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
IDisposable disposable = enumerator as IDisposable;
|
||||
if (disposable != null)
|
||||
{
|
||||
disposable.Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:EncapsulatedTimeStamp", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count != 0)
|
||||
{
|
||||
this.encapsulatedTimeStamp = new EncapsulatedPKIData("EncapsulatedTimeStamp");
|
||||
this.encapsulatedTimeStamp.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
this.xmlTimeStamp = null;
|
||||
}
|
||||
else
|
||||
{
|
||||
xmlNodeList = xmlElement.SelectNodes("xsd:XMLTimeStamp", xmlNamespaceManager);
|
||||
if (xmlNodeList.Count != 0)
|
||||
{
|
||||
this.xmlTimeStamp = new XMLTimeStamp();
|
||||
this.xmlTimeStamp.LoadXml((XmlElement)xmlNodeList.Item(0));
|
||||
this.encapsulatedTimeStamp = null;
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new CryptographicException("EncapsulatedTimeStamp or XMLTimeStamp missing");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <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("xades", this.tagName, XadesSignedXml.XadesNamespaceUri);
|
||||
|
||||
if (this.hashDataInfoCollection.Count > 0)
|
||||
{
|
||||
foreach (HashDataInfo hashDataInfo in this.hashDataInfoCollection)
|
||||
{
|
||||
if (hashDataInfo.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(hashDataInfo.GetXml(), true));
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new CryptographicException("HashDataInfoCollection is empty. TimeStamp needs at least one HashDataInfo element");
|
||||
}
|
||||
|
||||
if (this.encapsulatedTimeStamp != null && this.encapsulatedTimeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.encapsulatedTimeStamp.GetXml(), true));
|
||||
}
|
||||
else
|
||||
{
|
||||
if (this.xmlTimeStamp != null && this.xmlTimeStamp.HasChanged())
|
||||
{
|
||||
retVal.AppendChild(creationXmlDocument.ImportNode(this.xmlTimeStamp.GetXml(), true));
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new CryptographicException("EncapsulatedTimeStamp or XMLTimeStamp element missing");
|
||||
}
|
||||
}
|
||||
|
||||
return retVal;
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user