fecr/build/fecr/pkcs12.js

Modulo de comprobantes electrónicos para el API del Ministerio de Hacienda de Costa Rica versión 4.3

"use strict";

var openssl = require("openssl-nodejs");

var fs = require("fs");

var path = require("path"); // 'openssl pkcs12 -in '+p12+' -nodes -passin pass:'+pass


var signer = {
  p12ToPemString(p12, pass) {
    return new Promise((resolve, reject) => {
      // eslint-disable-next-line max-len
      openssl(["pkcs12", " -in ", p12, " -nodes ", " -passin ", " pass:".concat(pass)], (error, buffer) => {
        if (error.toString()) {
          reject(error.toString());
        } else {
          resolve(buffer.toString());
        }
      });
    });
  },

  copyFileP12(pathP12) {
    return new Promise((resolve, reject) => {
      var basename = path.basename(pathP12);
      fs.copyFile(pathP12, "openssl/".concat(basename), err => {
        if (err) reject(err);
        resolve(basename);
      });
    });
  },

  pem2js(pem) {
    // eslint-disable-next-line max-len
    var key = pem.match(/-----BEGIN PRIVATE KEY-----[\S\s]*?-----END PRIVATE KEY-----/g)[0]; // eslint-disable-next-line max-len

    var chain = pem.match(/-----BEGIN CERTIFICATE-----[\S\s]*?-----END CERTIFICATE-----/g);
    return {
      key,
      chain
    };
  },

  pem2der(pem) {
    var preparedPem = this.preparePem(pem); // convert base64 to ArrayBuffer

    return new Uint8Array(Buffer.from(preparedPem, "base64"));
  },

  preparePem(pem) {
    return pem // remove BEGIN/END
    .replace(/-----(BEGIN|END)[\w\d\s]+-----/g, "") // remove \r, \n
    .replace(/[\r\n]/g, "");
  },

  getKeyPair(p12Path, pass) {
    return new Promise((resolve, reject) => {
      this.copyFileP12(p12Path).then(newPath => this.p12ToPemString(newPath, pass)).then(pem => {
        try {
          fs.unlinkSync("./openssl/".concat(path.basename(p12Path)));
        } catch (e) {
          reject(e);
        }

        var keyPairPem = this.pem2js(pem);
        var keyPair = {
          key: this.preparePem(keyPairPem.key),
          x509: this.preparePem(keyPairPem.chain[0])
        };
        resolve(keyPair);
      }).catch(error => {
        reject(error);
      });
    });
  }

};
module.exports = signer;
module.exports.default = signer;