package org.bouncycastle.est.test;


import java.io.InputStreamReader;
import java.security.cert.X509Certificate;

import junit.framework.TestCase;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.est.jcajce.JsseDefaultHostnameAuthorizer;
import org.bouncycastle.util.io.pem.PemReader;

/**
 * TestHostNameAuthorizer tests the hostname authorizer only. EST related functions
 * are not tested here.
 */
public class TestHostNameAuthorizer
    extends TestCase
{
    private static X509Certificate readPemCertificate(String path)
        throws Exception
    {
        InputStreamReader fr = new InputStreamReader(TestHostNameAuthorizer.class.getResourceAsStream(path));
        PemReader reader = new PemReader(fr);
        X509CertificateHolder fromFile = new X509CertificateHolder(reader.readPemObject().getContent());
        reader.close();
        fr.close();
        return new JcaX509CertificateConverter().setProvider("BC").getCertificate(fromFile);
    }

    /*
        The following tests do not attempt to validate the certificates.
        They only test hostname verification behavior.
     */
    public void testCNMatch()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_cn_match_wc.pem");

        assertTrue("Common Name match", new JsseDefaultHostnameAuthorizer(null).verify("aardvark.cisco.com", cert));
        assertFalse("Not match", new JsseDefaultHostnameAuthorizer(null).verify("cisco.com", cert));
    }

    public void testCNMismatch_1()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_cn_mismatch_wc.pem");

        assertFalse("Not match", new JsseDefaultHostnameAuthorizer(null).verify("aardvark", cert));
    }


    // 192.168.1.50
    public void testCNIPMismatch()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_cn_mismatch_ip.pem");

        assertFalse("Not match", new JsseDefaultHostnameAuthorizer(null).verify("127.0.0.1", cert));
    }

    public void testWCMismatch()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_cn_mismatch_ip.pem");

        assertFalse("Not match", new JsseDefaultHostnameAuthorizer(null).verify("aardvark.cisco.com", cert));
    }

    public void testSANMatch()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_san_match.pem");
        assertTrue("Match", new JsseDefaultHostnameAuthorizer(null).verify("localhost.cisco.com", cert));
    }

    public void testSANMatchIP()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_san_match_ip.pem");
        assertTrue("Match", new JsseDefaultHostnameAuthorizer(null).verify("192.168.51.140", cert));
        assertTrue("Match", new JsseDefaultHostnameAuthorizer(null).verify("127.0.0.1", cert));
        assertFalse("Not Match", new JsseDefaultHostnameAuthorizer(null).verify("10.0.0.1", cert));
    }

    public void testSANMatchWC()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_san_mismatch_wc.pem");
        assertTrue("Match", new JsseDefaultHostnameAuthorizer(null).verify("roundhouse.yahoo.com", cert));
        assertFalse("Not Match", new JsseDefaultHostnameAuthorizer(null).verify("aardvark.cisco.com", cert));
    }

    public void testSANMismatchIP()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_san_mismatch_ip.pem");
        assertFalse("Not Match", new JsseDefaultHostnameAuthorizer(null).verify("localhost.me", cert));
    }

    public void testSANMismatchWC()
        throws Exception
    {
        X509Certificate cert = readPemCertificate("san/cert_san_mismatch_wc.pem");
        assertFalse("Not Match", new JsseDefaultHostnameAuthorizer(null).verify("localhost.me", cert));
    }
}