132 lines
4.0 KiB
C#
132 lines
4.0 KiB
C#
// SPUri.cs
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//
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// XAdES Starter Kit for Microsoft .NET 3.5 (and above)
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// 2010 Microsoft France
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// Published under the CECILL-B Free Software license agreement.
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// (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
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// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
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// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE
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// AND INFORMATION REMAINS WITH THE USER.
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using System;
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using System.Security.Cryptography;
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using System.Xml;
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namespace Microsoft.Xades
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{
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/// <summary>
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/// SPUri represents the URL where the copy of the Signature Policy may be
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/// obtained. The class derives from SigPolicyQualifier.
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/// </summary>
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public class SPUri : SigPolicyQualifier
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{
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#region Private variables
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private string uri;
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#endregion
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#region Public properties
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/// <summary>
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/// Uri for the sig policy qualifier
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/// </summary>
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public string Uri
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{
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get
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{
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return this.uri;
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}
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set
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{
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this.uri = value;
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}
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}
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/// <summary>
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/// Inherited generic element, not used in the SPUri class
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/// </summary>
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public override XmlElement AnyXmlElement
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{
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get
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{
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return null;
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}
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set
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{
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throw new CryptographicException("Setting AnyXmlElement on a SPUri is not supported");
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}
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}
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#endregion
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#region Constructors
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/// <summary>
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/// Default constructor
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/// </summary>
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public SPUri()
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{
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}
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#endregion
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#region Public methods
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/// <summary>
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/// Check to see if something has changed in this instance and needs to be serialized
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/// </summary>
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/// <returns>Flag indicating if a member needs serialization</returns>
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public override bool HasChanged()
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{
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bool retVal = false;
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if (this.uri != null && this.uri != "")
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{
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retVal = true;
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}
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return retVal;
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}
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/// <summary>
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/// Load state from an XML element
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/// </summary>
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/// <param name="xmlElement">XML element containing new state</param>
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public override void LoadXml(System.Xml.XmlElement xmlElement)
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{
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XmlNamespaceManager xmlNamespaceManager;
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XmlNodeList xmlNodeList;
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if (xmlElement == null)
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{
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throw new ArgumentNullException("xmlElement");
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}
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xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
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xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
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xmlNodeList = xmlElement.SelectNodes("xsd:SPURI", xmlNamespaceManager);
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this.uri = ((XmlElement)xmlNodeList.Item(0)).InnerText;
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}
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/// <summary>
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/// Returns the XML representation of the this object
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/// </summary>
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/// <returns>XML element containing the state of this object</returns>
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public override XmlElement GetXml()
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{
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XmlDocument creationXmlDocument;
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XmlElement bufferXmlElement;
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XmlElement retVal;
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creationXmlDocument = new XmlDocument();
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retVal = creationXmlDocument.CreateElement("xades", "SigPolicyQualifier", XadesSignedXml.XadesNamespaceUri);
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bufferXmlElement = creationXmlDocument.CreateElement("xades", "SPURI", XadesSignedXml.XadesNamespaceUri);
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bufferXmlElement.InnerText = this.uri;
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retVal.AppendChild(creationXmlDocument.ImportNode(bufferXmlElement, true));
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return retVal;
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}
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#endregion
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}
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}
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