/
DefaultSocketService.java
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/
DefaultSocketService.java
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package com.nhancv.webrtcpeer.rtc_comm.ws;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.KeyStore;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
/**
* Created by nhancao on 6/19/17.
*/
public class DefaultSocketService implements SocketService {
private static final String TAG = DefaultSocketService.class.getSimpleName();
private WebSocketClient client;
private KeyStore keyStore;
private LooperExecutor executor;
private InputStream certificateSSLFile;
private SocketCallBack socketCallBack;
public DefaultSocketService() {
this.executor = new LooperExecutor();
this.executor.requestStart();
}
/**
* Need to set fore call connect method
* application.getApplicationContext().getAssets().open("server.crt")
*/
@Override
public void setCertificateSSLFile(InputStream certificateSSLFile) {
this.certificateSSLFile = certificateSSLFile;
}
@Override
public void connect(String host) {
connect(host, true);
}
@Override
public void connect(String host, boolean force) {
if (force) {
close();
} else if (isConnected()) {
return;
}
URI uri;
try {
uri = new URI(host);
} catch (URISyntaxException e) {
e.printStackTrace();
return;
}
client = new WebSocketClient(uri) {
@Override
public void onOpen(ServerHandshake serverHandshake) {
if (socketCallBack != null) {
socketCallBack.onOpen(serverHandshake);
}
}
@Override
public void onMessage(String s) {
if (socketCallBack != null) {
socketCallBack.onMessage(s);
}
}
@Override
public void onClose(int i, String s, boolean b) {
if (socketCallBack != null) {
socketCallBack.onClose(i, s, b);
}
}
@Override
public void onError(Exception e) {
if (socketCallBack != null) {
socketCallBack.onError(e);
}
}
};
try {
String scheme = uri.getScheme();
if (certificateSSLFile == null) throw new Exception("Need to set certificateSSLFile first");
if (scheme.equals("https") || scheme.equals("wss")) {
setTrustedCertificate(certificateSSLFile);
// Create a TrustManager that trusts the CAs in our KeyStore
String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
tmf.init(keyStore);
// Create an SSLContext that uses our TrustManager
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, tmf.getTrustManagers(), null);
client.setSocket(sslContext.getSocketFactory().createSocket());
}
} catch (Exception e) {
e.printStackTrace();
}
client.connect();
}
@Override
public void connect(String host, SocketCallBack socketCallBack) {
connect(host, socketCallBack, true);
}
@Override
public void connect(String host, SocketCallBack socketCallBack, boolean force) {
setCallBack(socketCallBack);
connect(host, force);
}
@Override
public void setCallBack(SocketCallBack socketCallBack) {
this.socketCallBack = socketCallBack;
}
@Override
public void close() {
if (isConnected()) {
client.close();
}
}
@Override
public boolean isConnected() {
return client != null && client.getConnection().isOpen();
}
@Override
public void sendMessage(String message) {
executor.execute(() -> {
if (isConnected()) {
try {
client.send(message.getBytes("UTF-8"));
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public void setTrustedCertificate(InputStream inputFile) {
try {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
InputStream caInput = new BufferedInputStream(inputFile);
Certificate ca = cf.generateCertificate(caInput);
// Create a KeyStore containing our trusted CAs
String keyStoreType = KeyStore.getDefaultType();
keyStore = KeyStore.getInstance(keyStoreType);
keyStore.load(null, null);
keyStore.setCertificateEntry("ca", ca);
} catch (Exception e) {
e.printStackTrace();
}
}
}