React Native

Load a CSR and Examine the Contents

See more CSR Examples

Demonstrates how to load a Certificate Signing Request (CSR) and examine the contents.

Note: This example requires Chilkat v9.5.0.65 or greater.

React Native

import { Csr, FileAccess } from '@chilkat/react-native'

function chilkatExample() {
  // Note: Requires Chilkat v9.5.0.65 or greater.

  // This requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const csr = new Csr();

  // Load a CSR PEM file.  The file should contain content that looks like this:
  // 
  // 	-----BEGIN CERTIFICATE REQUEST-----
  // 	MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
  // 	bTELMAkGA1UEBhMCR0IxDjAMBgNVBAgMBVlvcmtzMQ0wCwYDVQQHDARZb3JrMSEw
  // 	HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxCzAJBgNVBAsMAklUMSMw
  // 	IQYJKoZIhvcNAQkBFhRzdXBwb3J0QG15ZG9tYWluLmNvbTCCASIwDQYJKoZIhvcN
  // 	AQEBBQADggEPADCCAQoCggEBALnQ0un/wF8whk+gPuiAlf3qvx14jgAOV6Erm6EB
  // 	H7WACPCpnKcm/8KP+7uoPiwRQaENhMeCgf45vcivl2p6aAn/spLXyEkXyw2d8wFb
  // 	YYAGRkiz4Xf7ASJiKuwcOtORz+sSDzgtdfokHfXU1cYeFE2yQhSdLUY5fMn425+g
  // 	KoEEsRSjSDe6AKru4+4iGNrLKd8pB9IA5/jOE139IkWlB9r5fEPD5bUTsgqXk9eb
  // 	68O0gc712V2eZK07N24lDmFC4bIMTD4csDWocR5hFHXj7NX7c8sOBDcpEb9mPIk4
  // 	elxubnhkfnjhOi4J3lDHcT/0ALnbLhf9LnaiKqs+5VcVZvECAwEAAaAAMA0GCSqG
  // 	SIb3DQEBBQUAA4IBAQC0AETLIcP3foh5nbu2hVFS8uCUNZ5hEIR1eXmYZmZoBQq2
  // 	26ZAoT4CZwixlggC+n7WvAXJ5Pzxpl4wLV4loTiQzaKPX1w0ERo5ZRwLy0n56oG2
  // 	6QG+WTViT1C8rlgtVwkCFNOXr0kSSRs8FdaPllqKxK1hxYSL7zwNpumsk39F2cDt
  // 	vhcekvH0V3BuGrQFm3dKN/0azW6GOod9+Vq4VzSyOe3kp15oxLBsZOFOu/REujcw
  // 	Tzu2jt1asQKUm60CZ9wNHpYepR0Ww40uP1slbehEaFDa6V8b60/tlHHmBbJ4/fy5
  // 	hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
  // 	-----END CERTIFICATE REQUEST-----

  const fac = new FileAccess();
  const csrPem = fac.readEntireTextFile('qa_data/csr/csr1.pem', 'utf-8');

  try {
    csr.loadCsrPem(csrPem);
  } catch {
    console.log(csr.lastErrorText);
    return;
  }

  // Examine the contents.
  // If the CSR does not contain a field, the property will
  // contain an empty string.

  console.log(`Common Name: ${csr.commonName}`);

  // Country Name (2 letter code)
  console.log(`Country: ${csr.country}`);

  // State or Province Name (full name)
  console.log(`State: ${csr.state}`);

  // Locality Name (eg, city)
  console.log(`Locality: ${csr.locality}`);

  // Organization Name (eg, company)
  console.log(`Company: ${csr.company}`);

  // Organizational Unit Name (eg, secion/division)
  console.log(`Company Division: ${csr.companyDivision}`);

  console.log(`Email Address: ${csr.emailAddress}`);
}