package be.nikiroo.utils.serial.server;
+import java.io.IOException;
import java.net.Socket;
-import be.nikiroo.utils.Version;
+import javax.net.ssl.SSLException;
/**
* Base class used for the server basic handling.
*/
protected ConnectAction action;
- /**
- * Create a new {@link ConnectActionServer} with the current application
- * version (see {@link Version#getCurrentVersion()}) as the server version.
- *
- * @param s
- * the socket to bind to
- */
- public ConnectActionServer(Socket s) {
- this(s, Version.getCurrentVersion());
- }
-
/**
* Create a new {@link ConnectActionServer}.
*
* @param s
* the socket to bind to
- * @param version
- * the server version
+ * @param key
+ * an optional key to encrypt all the communications (if NULL,
+ * everything will be sent in clear text)
*/
- public ConnectActionServer(Socket s, Version version) {
- action = new ConnectAction(s, true, version) {
+ public ConnectActionServer(Socket s, String key) {
+ action = new ConnectAction(s, true, key) {
@Override
- protected void action(Version clientVersion) throws Exception {
- ConnectActionServer.this.action(clientVersion);
+ protected void action() throws Exception {
+ ConnectActionServer.this.serverHello();
+ ConnectActionServer.this.action();
}
@Override
protected void onError(Exception e) {
ConnectActionServer.this.onError(e);
}
-
- @Override
- protected Version negotiateVersion(Version clientVersion) {
- return ConnectActionServer.this.negotiateVersion(clientVersion);
- }
};
}
+ /**
+ * Send the HELLO message (check that the client sends a String "HELLO" and
+ * send it back, to check I/O and encryption modes).
+ *
+ * @throws IOException
+ * in case of I/O error
+ * @throws SSLException
+ * in case of encryption error
+ */
+ protected void serverHello() throws IOException, SSLException {
+ String HELLO = action.recString();
+ if (!"HELLO".equals(HELLO)) {
+ throw new SSLException("Server did not accept the encryption key");
+ }
+ action.sendString(HELLO);
+ }
+
/**
* Actually start the process and call the action (synchronous).
*/
* <p>
* Example of usage: the client failed an authentication check, cut the
* connection here and now.
+ *
+ * @return TRUE when it is
*/
public boolean isClosing() {
return closing;
* @return the amount of bytes sent
*/
public long getBytesSent() {
- return action.getBytesSent();
+ return action.getBytesWritten();
}
/**
* Method that will be called when an action is performed on the server.
*
- * @param clientVersion
- * the client version
- *
* @throws Exception
* in case of I/O error
*/
@SuppressWarnings("unused")
- public void action(Version clientVersion) throws Exception {
+ public void action() throws Exception {
}
/**
*/
protected void onError(@SuppressWarnings("unused") Exception e) {
}
-
- /**
- * Method called when we negotiate the version with the client.
- * <p>
- * Will return the actual server version by default.
- *
- * @param clientVersion
- * the client version
- *
- * @return the version to send to the client
- */
- protected Version negotiateVersion(
- @SuppressWarnings("unused") Version clientVersion) {
- return action.getVersion();
- }
}
\ No newline at end of file