public class ServerBridge extends Server {
private final String forwardToHost;
private final int forwardToPort;
- private final boolean forwardToSsl;
+ private final String forwardToKey;
/**
* Create a new server that will start listening on the network when
* the port to listen on, or 0 to assign any unallocated port
* found (which can later on be queried via
* {@link ServerBridge#getPort()}
- * @param ssl
- * use an SSL connection (or not)
+ * @param key
+ * an optional key to encrypt all the communications (if NULL,
+ * everything will be sent in clear text)
* @param forwardToHost
* the host server to forward the calls to
* @param forwardToPort
* the host port to forward the calls to
- * @param forwardToSsl
- * use an SSL connection for the forward server or not
+ * @param forwardToKey
+ * an optional key to encrypt all the communications (if NULL,
+ * everything will be sent in clear text)
*
* @throws IOException
* in case of I/O error
* if the port parameter is outside the specified range of valid
* port values, which is between 0 and 65535, inclusive
*/
- public ServerBridge(int port, boolean ssl, String forwardToHost,
- int forwardToPort, boolean forwardToSsl) throws IOException {
- super(port, ssl);
+ public ServerBridge(int port, String key, String forwardToHost,
+ int forwardToPort, String forwardToKey) throws IOException {
+ super(port, key);
this.forwardToHost = forwardToHost;
this.forwardToPort = forwardToPort;
- this.forwardToSsl = forwardToSsl;
+ this.forwardToKey = forwardToKey;
}
/**
* the server name (only used for debug info and traces)
* @param port
* the port to listen on
- * @param ssl
- * use an SSL connection (or not)
+ * @param key
+ * an optional key to encrypt all the communications (if NULL,
+ * everything will be sent in clear text)
* @param forwardToHost
* the host server to forward the calls to
* @param forwardToPort
* the host port to forward the calls to
- * @param forwardToSsl
- * use an SSL connection for the forward server or not
+ * @param forwardToKey
+ * an optional key to encrypt all the communications (if NULL,
+ * everything will be sent in clear text) use an SSL connection
+ * for the forward server or not
*
* @throws IOException
* in case of I/O error
* if the port parameter is outside the specified range of valid
* port values, which is between 0 and 65535, inclusive
*/
- public ServerBridge(String name, int port, boolean ssl,
- String forwardToHost, int forwardToPort, boolean forwardToSsl)
+ public ServerBridge(String name, int port, String key,
+ String forwardToHost, int forwardToPort, String forwardToKey)
throws IOException {
- super(name, port, ssl);
+ super(name, port, key);
this.forwardToHost = forwardToHost;
this.forwardToPort = forwardToPort;
- this.forwardToSsl = forwardToSsl;
+ this.forwardToKey = forwardToKey;
}
/**
@Override
protected ConnectActionServer createConnectActionServer(Socket s) {
- return new ConnectActionServerString(s) {
+ return new ConnectActionServerString(s, key) {
@Override
public void action(final Version clientVersion) throws Exception {
onClientContact(clientVersion);
try {
new ConnectActionClientString(forwardToHost, forwardToPort,
- forwardToSsl, clientVersion) {
+ forwardToKey, clientVersion) {
@Override
public void action(final Version serverVersion)
throws Exception {
getTraceHandler().trace(
getName() + ": will forward to " + forwardToHost + ":"
+ forwardToPort + " ("
- + (forwardToSsl ? "SSL" : "plain text") + ")");
+ + (forwardToKey != null ? "encrypted" : "plain text")
+ + ")");
super.run();
}
* the data to trace
*/
private void trace(String prefix, String data) {
- int size = data.length();
- String ssize = size + " byte";
- if (size > 1) {
- ssize = size + " bytes";
- if (size >= 1000) {
- size = size / 1000;
- ssize = size + " kb";
- if (size > 1000) {
- size = size / 1000;
- ssize = size + " MB";
- }
- }
- }
+ int size = data == null ? 0 : data.length();
+ String ssize = StringUtils.formatNumber(size) + "bytes";
getTraceHandler().trace(prefix + ": " + ssize, 1);
if (getTraceHandler().getTraceLevel() >= 2) {
try {
- if (data.startsWith("ZIP:")) {
- data = StringUtils.unzip64(data.substring(4));
+ while (data.startsWith("ZIP:") || data.startsWith("B64:")) {
+ if (data.startsWith("ZIP:")) {
+ data = StringUtils.unbase64s(data.substring(4), true);
+ } else if (data.startsWith("B64:")) {
+ data = StringUtils.unbase64s(data.substring(4), false);
+ }
}
Object obj = new Importer().read(data).getValue();
getTraceHandler().trace("", 2);
}
}
-
- /**
- * Start a bridge between 2 servers.
- *
- * @param args
- * an array containing:
- * <ul>
- * <li>The bridge name</li>
- * <li>The bridge port</li>
- * <li>TRUE for an SSL bridge, FALSE for plain text</li>
- * <li>The forward server host</li>
- * <li>The forward server port</li>
- * <li>TRUE for an SSL forward server, FALSE for plain text</li>
- * <li>(optional) a trace level</li>
- * <li>(optional) a truncate size for data</li>
- * </ul>
- */
- public static void main(String[] args) {
- final TraceHandler tracer = new TraceHandler(true, false, 0);
- try {
- if (args.length < 6) {
- tracer.error("Invalid syntax.\n"
- + "Syntax: [name] [port] [ssl] [fhost] [fport] [fssl] ([trace level]) ([max])\n"
- + "\tname: the bridge name\n"
- + "\tport: the bridge port\n"
- + "\tssl: TRUE for an SSL bridge, FALSE for plain text\n"
- + "\tfhost: the forward server host\n"
- + "\tfport: the forward server port\n"
- + "\tfssl: TRUE for an SSL forward server, FALSE for plain text\n"
- + "\ttrace level: the optional trace level (default is 1)\n"
- + "\tmax: the maximum size after which to truncate data\n");
- return;
- }
-
- int i = 0;
- String name = args[i++];
- int port = Integer.parseInt(args[i++]);
- boolean ssl = Boolean.parseBoolean(args[i++]);
- String fhost = args[i++];
- int fport = Integer.parseInt(args[i++]);
- boolean fssl = Boolean.parseBoolean(args[i++]);
-
- int traceLevel = 1;
- if (args.length > 6) {
- traceLevel = Integer.parseInt(args[i++]);
- }
- int maxPrintSize = 0;
- if (args.length > 7) {
- maxPrintSize = Integer.parseInt(args[i++]);
- }
-
- ServerBridge bridge = new ServerBridge(name, port, ssl, fhost,
- fport, fssl);
- bridge.setTraceHandler(new TraceHandler(true, true, traceLevel,
- maxPrintSize));
- bridge.run();
- } catch (Exception e) {
- tracer.error(e);
- }
- }
}