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  1. /*
  2. 	Problema al agregar nodo a documento XML
  3. 	https://es.stackoverflow.com/q/131654/127
  4. */
  5. using System;
  6. using System.Xml;
  7. using System.Security.Cryptography;
  8.  
  9. public class Test
  10. {
  11. 	public static void Main()
  12. 	{
  13. 		//XML simplificado
  14. 		string xmlOriginal = @"<?xml version=""1.0"" encoding=""UTF-8""?>
  15. <FacturaElectronica xmlns=""https://t...content-available-to-author-only...o.cr/docs/esquemas/2017/v4.2/facturaElectronica"" xmlns:xsi=""http://w...content-available-to-author-only...3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://w...content-available-to-author-only...3.org/2001/XMLSchema"">
  16.   <Clave>50601011800020570010500100001010000000003100000003</Clave>
  17.   <Otros>...</Otros>
  18.   <ds:Signature xmlns:ds=""http://w...content-available-to-author-only...3.org/2000/09/xmldsig#"" Id=""Signature-b9789560-18b0-4e2c-9a14-284b8ba64371"">
  19.     <ds:SignedInfo>
  20.       ...
  21.     </ds:SignedInfo>
  22.     <ds:SignatureValue Id=""SignatureValue-b9789560-18b0-4e2c-9a14-284b8ba64371"">...</ds:SignatureValue>
  23.     <ds:KeyInfo Id=""KeyInfoId-Signature-b9789560-18b0-4e2c-9a14-284b8ba64371"">
  24.     </ds:KeyInfo>
  25.     <ds:Object Id=""XadesObjectId-41071ab8-57e3-41dd-b91d-c11c9274a9f2"">
  26.       <xades:QualifyingProperties xmlns:xades=""http://u...content-available-to-author-only...i.org/01903/v1.3.2#"" Id=""QualifyingProperties-0cd36699-c9b0-4495-81dc-0d9ef335dc90"" Target=""#Signature-b9789560-18b0-4e2c-9a14-284b8ba64371"">
  27.         <xades:SignedProperties Id=""SignedProperties-Signature-b9789560-18b0-4e2c-9a14-284b8ba64371"">
  28.           <xades:SignedSignatureProperties>
  29.             <xades:SigningTime>bla bla bla</xades:SigningTime>
  30.             <xades:SigningCertificate>
  31.               aca va todo el certificate
  32.             </xades:SigningCertificate>
  33.           </xades:SignedSignatureProperties>
  34.           <xades:SignedDataObjectProperties>
  35. </xades:SignedDataObjectProperties>
  36.         </xades:SignedProperties>
  37.       </xades:QualifyingProperties>
  38.     </ds:Object>
  39.   </ds:Signature>
  40. </FacturaElectronica>";
  41.  
  42.  
  43. 		//TU CÓDIGO PARA GENERAR EL NODO NUEVO
  44. 		XmlDocument xmlDoc = new XmlDocument();
  45. 		xmlDoc.PreserveWhitespace = true;
  46. 		xmlDoc.LoadXml(xmlOriginal); // <-- acá lo estoy cargando manualmente desde el string
  47. 		//xmlDoc.Load(path);
  48. 		string result = "";
  49. 		try
  50. 		{
  51. 			string uri = "http://w...content-available-to-author-only...3.org/2000/09/xmldsig#";
  52. 			string URI = "http://u...content-available-to-author-only...i.org/01903/v1.3.2#";
  53. 			XmlElement DigestMethod = xmlDoc.CreateElement("ds", "DigestMethod");
  54. 			XmlElement DigestValue = xmlDoc.CreateElement("ds", "DigestValue");
  55. 			XmlElement SignaturePolicyIdentifier = xmlDoc.CreateElement("xades", "SignaturePolicyIdentifier", URI);
  56. 			XmlElement SignaturePolicyId = xmlDoc.CreateElement("xades", "SignaturePolicyId", URI);
  57. 			SignaturePolicyIdentifier.AppendChild(SignaturePolicyId);
  58. 			XmlElement SigPolicyId = xmlDoc.CreateElement("xades", "SigPolicyId", URI);
  59. 			SignaturePolicyId.AppendChild(SigPolicyId);
  60. 			XmlElement Identifier = xmlDoc.CreateElement("xades", "Identifier", URI);
  61. 			Identifier.InnerText = "https://t...content-available-to-author-only...o.cr/docs/esquemas/2016/v4.1/Resolucion_Comprobantes_Electronicos_DGT-R-48-2016.pdf";
  62. 			SigPolicyId.AppendChild(Identifier);
  63. 			XmlElement SigPolicyHash = xmlDoc.CreateElement("xades", "SigPolicyHash", URI);
  64. 			SignaturePolicyId.AppendChild(SigPolicyHash);
  65. 			DigestMethod = xmlDoc.CreateElement("ds", "DigestMethod",uri);
  66. 			DigestMethod.SetAttribute("Algorithm", "http://w...content-available-to-author-only...3.org/2001/04/xmlenc#sha256");
  67. 			DigestValue = xmlDoc.CreateElement("ds", "DigestValue",uri);
  68. 			byte[] shaCertificate = { 0x06, 0xb3, 0x90, 0xb6, 0x45, 0xbb, 0x68, 0x3a, 0xde, 0x72, 0x8e, 0xb8, 0xf9, 0x79, 0x27, 0xd9, 0x18, 0x01, 0x67, 0xdb };
  69. 			SHA256 sigPolicyHash = SHA256Managed.Create();
  70. 			byte[] sigPolicyHashValue = sigPolicyHash.ComputeHash(shaCertificate);
  71. 			DigestValue.InnerText = Convert.ToBase64String(sigPolicyHashValue);
  72. 			SigPolicyHash.AppendChild(DigestMethod);
  73. 			SigPolicyHash.AppendChild(DigestValue);
  74.  
  75.  
  76.  
  77. 			//ACÁ EL CÓDIGO PARA INSERTARLO
  78.  
  79. 			//Crear un XmlNamespaceManager para poder buscar en el namespace "xades:"
  80. 			XmlNamespaceManager nsManager = new XmlNamespaceManager(xmlDoc.NameTable);
  81. 			nsManager.AddNamespace("xades", URI);
  82.  
  83. 			//Buscar con XPath y seleccionar el primer nodo "xades:SignedSignatureProperties"
  84. 			XmlNode SignedSignatureProperties = xmlDoc.SelectSingleNode("//xades:SignedSignatureProperties", nsManager);
  85.  
  86. 			//Si se encontró el nodo padre, insertarle el nuevo
  87. 			if (SignedSignatureProperties != null) {
  88. 				SignedSignatureProperties.AppendChild(SignaturePolicyIdentifier);
  89. 			}
  90.  
  91.  
  92. 			//IMPRIMIR EN CONSOLA
  93. 			//xmlDoc.Save(path);
  94. 			XmlTextWriter writer = new XmlTextWriter(Console.Out);
  95. 			writer.Formatting = Formatting.Indented;
  96. 			xmlDoc.WriteTo( writer );
  97. 			writer.Flush();
  98. 			Console.WriteLine();
  99. 		}
  100. 		catch (Exception ex ){
  101. 			result = ex.ToString(); 
  102. 			Console.WriteLine(result);
  103. 		}
  104. 	}
  105. }
Success #stdin #stdout 0.05s 134848KB
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Standard input is empty
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<?xml version="1.0" encoding="UTF-8"?>

<FacturaElectronica xmlns="https://t...content-available-to-author-only...o.cr/docs/esquemas/2017/v4.2/facturaElectronica" xmlns:xsi="http://w...content-available-to-author-only...3.org/2001/XMLSchema-instance" xmlns:xsd="http://w...content-available-to-author-only...3.org/2001/XMLSchema">
  <Clave>50601011800020570010500100001010000000003100000003</Clave>
  <Otros>...</Otros>
  <ds:Signature xmlns:ds="http://w...content-available-to-author-only...3.org/2000/09/xmldsig#" Id="Signature-b9789560-18b0-4e2c-9a14-284b8ba64371">
    <ds:SignedInfo>
      ...
    </ds:SignedInfo>
    <ds:SignatureValue Id="SignatureValue-b9789560-18b0-4e2c-9a14-284b8ba64371">...</ds:SignatureValue>
    <ds:KeyInfo Id="KeyInfoId-Signature-b9789560-18b0-4e2c-9a14-284b8ba64371">
    </ds:KeyInfo>
    <ds:Object Id="XadesObjectId-41071ab8-57e3-41dd-b91d-c11c9274a9f2">
      <xades:QualifyingProperties xmlns:xades="http://u...content-available-to-author-only...i.org/01903/v1.3.2#" Id="QualifyingProperties-0cd36699-c9b0-4495-81dc-0d9ef335dc90" Target="#Signature-b9789560-18b0-4e2c-9a14-284b8ba64371">
        <xades:SignedProperties Id="SignedProperties-Signature-b9789560-18b0-4e2c-9a14-284b8ba64371">
          <xades:SignedSignatureProperties>
            <xades:SigningTime>bla bla bla</xades:SigningTime>
            <xades:SigningCertificate>
              aca va todo el certificate
            </xades:SigningCertificate>
          <xades:SignaturePolicyIdentifier><xades:SignaturePolicyId><xades:SigPolicyId><xades:Identifier>https://t...content-available-to-author-only...o.cr/docs/esquemas/2016/v4.1/Resolucion_Comprobantes_Electronicos_DGT-R-48-2016.pdf</xades:Identifier></xades:SigPolicyId><xades:SigPolicyHash><ds:DigestMethod Algorithm="http://w...content-available-to-author-only...3.org/2001/04/xmlenc#sha256" /><ds:DigestValue>7XUCtw/f4o/yTilOqK8RXLFzYGeHMw9luOdMzLbCU/w=</ds:DigestValue></xades:SigPolicyHash></xades:SignaturePolicyId></xades:SignaturePolicyIdentifier></xades:SignedSignatureProperties>
          <xades:SignedDataObjectProperties>
</xades:SignedDataObjectProperties>
        </xades:SignedProperties>
      </xades:QualifyingProperties>
    </ds:Object>
  </ds:Signature>
</FacturaElectronica>
https://ideone.com/Uhtpnu
Problema al agregar nodo a documento XML
https://es.stackoverflow.com/q/131654/127
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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