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/*

* Copyright (c) 2010-2020 Nathan Rajlich

*

* Permission is hereby granted, free of charge, to any person

* obtaining a copy of this software and associated documentation

* files (the "Software"), to deal in the Software without

* restriction, including without limitation the rights to use,

* copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the

* Software is furnished to do so, subject to the following

* conditions:

*

* The above copyright notice and this permission notice shall be

* included in all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

* OTHER DEALINGS IN THE SOFTWARE.

*/

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.net.URI;

import java.nio.file.Paths;

import java.security.KeyStore;

import javax.net.ssl.KeyManagerFactory;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSocketFactory;

import javax.net.ssl.TrustManagerFactory;

import org.java_websocket.client.WebSocketClient;

import org.java_websocket.handshake.ServerHandshake;

class WebSocketChatClient extends WebSocketClient {

public WebSocketChatClient(URI serverUri) {

super(serverUri);

}

@Override

public void onOpen(ServerHandshake handshakedata) {

System.out.println("Connected");

}

@Override

public void onMessage(String message) {

System.out.println("got: " + message);

}

@Override

public void onClose(int code, String reason, boolean remote) {

System.out.println("Disconnected");

}

@Override

public void onError(Exception ex) {

ex.printStackTrace();

}

}

public class SSLClientExample {

/*

* Keystore with certificate created like so (in JKS format):

*

*keytool -genkey -keyalg RSA -validity 3650 -keystore "keystore.jks" -storepass "storepassword" -keypass "keypassword" -alias "default" -dname "CN=127.0.0.1, OU=MyOrgUnit, O=MyOrg, L=MyCity, S=MyRegion, C=MyCountry"

*/

public static void main(String[] args) throws Exception {

WebSocketChatClient chatclient = new WebSocketChatClient(new URI("wss://localhost:8887"));

// load up the key store

String STORETYPE = "JKS";

String KEYSTORE = Paths.get("src", "test", "java", "org", "java_websocket", "keystore.jks")

.toString();

String STOREPASSWORD = "storepassword";

String KEYPASSWORD = "keypassword";

KeyStore ks = KeyStore.getInstance(STORETYPE);

File kf = new File(KEYSTORE);

ks.load(new FileInputStream(kf), STOREPASSWORD.toCharArray());

KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");

kmf.init(ks, KEYPASSWORD.toCharArray());

TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

tmf.init(ks);

SSLContext sslContext = null;

sslContext = SSLContext.getInstance("TLS");

sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

// sslContext.init( null, null, null ); // will use java's default key and trust store which is sufficient unless you deal with self-signed certificates

SSLSocketFactory factory = sslContext

.getSocketFactory();// (SSLSocketFactory) SSLSocketFactory.getDefault();

chatclient.setSocketFactory(factory);

chatclient.connectBlocking();

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

while (true) {

String line = reader.readLine();

if (line.equals("close")) {

chatclient.closeBlocking();

} else if (line.equals("open")) {

chatclient.reconnect();

} else {

chatclient.send(line);

}

}

}

}