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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/xml-crypto/lib/enveloped-signature.js

var xpath = require('xpath');
var utils = require('./utils');

exports.EnvelopedSignature = EnvelopedSignature;

function EnvelopedSignature() {
}

EnvelopedSignature.prototype.process = function (node, options) {
  if (null == options.signatureNode) {
    // leave this for the moment...
    var signature = xpath.select("./*[local-name(.)='Signature' and namespace-uri(.)='http://www.w3.org/2000/09/xmldsig#']", node)[0];
    if (signature) signature.parentNode.removeChild(signature);
    return node;
  }
  var signatureNode = options.signatureNode;
  var expectedSignatureValue = utils.findFirst(signatureNode, ".//*[local-name(.)='SignatureValue']/text()").data;
  var signatures = xpath.select(".//*[local-name(.)='Signature' and namespace-uri(.)='http://www.w3.org/2000/09/xmldsig#']", node);
  for (var h in signatures) {
    if (!signatures.hasOwnProperty(h)) continue;
    var signature = signatures[h];
    var signatureValue = utils.findFirst(signature, ".//*[local-name(.)='SignatureValue']/text()").data;
    if (expectedSignatureValue === signatureValue) {
      signature.parentNode.removeChild(signature);
    }
  }
  return node;
};

EnvelopedSignature.prototype.getAlgorithmName = function () {
  return "http://www.w3.org/2000/09/xmldsig#enveloped-signature";
};