mongo ssl

import com.mongodb.ConnectionString;
import com.mongodb.MongoClientSettings;
import com.mongodb.client.MongoClients;
import com.mongodb.client.MongoClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.concurrent.TimeUnit;

public class MongoClientUtil {

    private static final Logger logger = LoggerFactory.getLogger(MongoClientUtil.class);

    private MongoClientUtil() {}

    private static MongoClient mongoClient;
    public static MongoClient getInstance() {
        return mongoClient;
    }

    static {
        try {
            SSLContext sslcontext = SSLContext.getInstance("TLS");
            sslcontext.init(null, new TrustManager[]{new MyX509TrustManager()}, new java.security.SecureRandom());
            MongoClientSettings settings = MongoClientSettings.builder()
                    .applyConnectionString(new ConnectionString("mongodb://,,/admin?authSource=admin&readPreference=primary&ssl=true&tlsAllowInvalidCertificates=true&tlsAllowInvalidHostnames=true"))
                    .applyToClusterSettings(builder -> builder.serverSelectionTimeout(5, TimeUnit.SECONDS))
                    .applyToSocketSettings(builder -> builder.connectTimeout(5, TimeUnit.SECONDS).readTimeout(10, TimeUnit.SECONDS))
                    .applyToSslSettings(builder -> builder.invalidHostNameAllowed(true).enabled(true).context(sslcontext))
                    .build();
            mongoClient = MongoClients.create(settings);
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }

    private static class MyX509TrustManager implements X509TrustManager {

        @Override
        public void checkClientTrusted(X509Certificate certificates[], String authType) throws CertificateException {
            logger.info("check client");
        }

        @Override
        public void checkServerTrusted(X509Certificate[] ax509certificate, String s) throws CertificateException {
            logger.info("check server");
        }

        @Override
        public X509Certificate[] getAcceptedIssuers() {
            return null;
        }
    }

}