NettySslTrustManagerFactory.java

package de.jpaw.bonaparte.netty;

import java.security.InvalidAlgorithmParameterException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.ManagerFactoryParameters;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactorySpi;
import javax.net.ssl.X509TrustManager;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class NettySslTrustManagerFactory extends TrustManagerFactorySpi {
    private static final Logger LOGGER = LoggerFactory.getLogger(NettySslTrustManagerFactory.class);

    private static final TrustManager DUMMY_TRUST_MANAGER = new X509TrustManager() {
        @Override
        public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[0];
        }

        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            // Always trust - it is an example.
            // You should do something in the real world.
            // You will reach here only if you enabled client certificate auth,
            // as described in SecureChatSslContextFactory.
            LOGGER.error("UNKNOWN CLIENT CERTIFICATE: {}", chain[0].getSubjectDN());
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            // Always trust - it is an example.
            // You should do something in the real world.
            LOGGER.error("UNKNOWN SERVER CERTIFICATE: {}", chain[0].getSubjectDN());
        }
    };

    public static TrustManager[] getTrustManagers() {
        return new TrustManager[] { DUMMY_TRUST_MANAGER };
    }

    @Override
    protected TrustManager[] engineGetTrustManagers() {
        return getTrustManagers();
    }

    @Override
    protected void engineInit(KeyStore keystore) throws KeyStoreException {
        // Unused
    }

    @Override
    protected void engineInit(ManagerFactoryParameters managerFactoryParameters) throws InvalidAlgorithmParameterException {
        // Unused
    }

}