/*
 *  Copyright (c) 2019 WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.wso2.si.http.server;

import com.sun.net.httpserver.HttpsConfigurator;
import com.sun.net.httpserver.HttpsParameters;
import com.sun.net.httpserver.HttpsServer;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.io.FileInputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.TrustManagerFactory;

/**
 * Https test sever listener.
 */
public class HttpsServerListnerHandler {
    private static final Logger logger = LogManager.getLogger(HttpsServerListnerHandler.class);
    private HttpServerListener sl;
    private int port;
    private KeyStore ks;
    private HttpsServer server;

    public HttpsServerListnerHandler(int port) throws KeyStoreException {
        this.sl = new HttpServerListener();
        this.port = port;
        ks = KeyStore.getInstance("JKS");
        run();
    }

    public void run() {
        try {
            char[] passphrase = "wso2carbon".toCharArray();
            ks.load(new FileInputStream(System.getProperty("carbon.home") + "/wso2carbon.jks"),
                    passphrase);
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
            kmf.init(ks, passphrase);
            TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
            tmf.init(ks);
            SSLContext ssl = SSLContext.getInstance("TLS");
            ssl.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
            server = HttpsServer.create(new InetSocketAddress(port), 5);
            server.setHttpsConfigurator(new HttpsConfigurator(ssl) {
                public void configure(HttpsParameters params) {
                    // get the remote address if needed
                    SSLContext c = getSSLContext();
                    // get the default parameters
                    SSLParameters sslparams = c.getDefaultSSLParameters();
                    params.setSSLParameters(sslparams);
                    // statement above could throw IAE if any params invalid.

                }
            });
            server.createContext("/", sl);
            server.start();
        } catch (IOException | CertificateException | NoSuchAlgorithmException | UnrecoverableKeyException |
                KeyStoreException | KeyManagementException e) {
            logger.error("Error in creating test server ", e);
        }
    }

    public void shutdown() {
        if (server != null) {
            server.stop(1);
        }

    }
}
