Java

Require SSL Server Certificate Domain Match

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Demonstrates how to require that the SSL server certificate's domain matches the intended domain. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkHttp http = new CkHttp();

    // Call SetSslCertRequirement to require that the SSL server certificate's domain
    // matches only the domain we are intending to communicate with.

    // In this example we will test with the URL https://wrong.host.badssl.com/
    // which intentionally has an SSL certificate that does not match "wrong.host.badssl.com"

    http.SetSslCertRequirement("SAN","wrong.host.badssl.com");

    // Also validate the server cert..
    http.put_RequireSslCertVerify(true);

    // Try sending the request.  It should fail within the SSL/TLS handshake
    // because the server's certificate does not match the domain "wrong.host.badssl.com"
    String html = http.quickGetStr("https://wrong.host.badssl.com/");
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        }
    else {
        System.out.println("Unexpected success.");
        }
  }
}