private void connectUsingConfiguration(ConnectionConfiguration config) throws XMPPException {
String host = config.getHost();
int port = config.getPort();
try {
if (config.getSocketFactory() == null) {
this.socket = new Socket(host, port);
} else {
this.socket = config.getSocketFactory().createSocket(host, port);
}
if (ConnectionConfiguration.SecurityMode.legacy == config.getSecurityMode()) {
try {
enableEncryption(false);
} catch (Exception e) {
String errorMessage =
"Could not enable SSL encryption while connecting to " + host + ":" + port + ".";
throw new XMPPException(
errorMessage,
new XMPPError(XMPPError.Condition.remote_server_error, errorMessage),
e);
}
usingSSL = true;
}
} catch (UnknownHostException uhe) {
String errorMessage = "Could not connect to " + host + ":" + port + ".";
throw new XMPPException(
errorMessage,
new XMPPError(XMPPError.Condition.remote_server_timeout, errorMessage),
uhe);
} catch (IOException ioe) {
String errorMessage = "XMPPError connecting to " + host + ":" + port + ".";
throw new XMPPException(
errorMessage, new XMPPError(XMPPError.Condition.remote_server_error, errorMessage), ioe);
}
initConnection();
}
/**
* The server has indicated that TLS negotiation can start. We now need to secure the existing
* plain connection and perform a handshake. This method won't return until the connection has
* finished the handshake or an error occured while securing the connection.
*
* @throws Exception if an exception occurs.
*/
void proceedTLSReceived() throws Exception {
enableEncryption(true);
// Initialize the reader and writer with the new secured version
initReaderAndWriter();
// Proceed to do the handshake
((SSLSocket) socket).startHandshake();
// if (((SSLSocket) socket).getWantClientAuth()) {
// System.err.println("Connection wants client auth");
// }
// else if (((SSLSocket) socket).getNeedClientAuth()) {
// System.err.println("Connection needs client auth");
// }
// else {
// System.err.println("Connection does not require client auth");
// }
// Set that TLS was successful
usingTLS = true;
// Set the new writer to use
packetWriter.setWriter(writer);
// Send a new opening stream to the server
packetWriter.openStream();
}