/**
* Tells the Tor OP if it should accept network connections
*
* @param enable If true then the Tor OP will accept SOCKS connections, otherwise not.
* @throws java.io.IOException - IO exceptions
*/
public synchronized void enableNetwork(boolean enable) throws IOException {
if (controlConnection == null) {
throw new RuntimeException("Tor is not running!");
}
LOG.info("Enabling network: " + enable);
controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
}
/** Change the values of the configuration options stored in kvMap. */
public void setConf(Map<String, String> kvMap) throws IOException {
List<String> lst = new ArrayList<String>();
for (Iterator<Map.Entry<String, String>> it = kvMap.entrySet().iterator(); it.hasNext(); ) {
Map.Entry<String, String> ent = it.next();
lst.add(ent.getKey() + " " + ent.getValue() + "\n");
}
setConf(lst);
}
/**
* Publishes a hidden service
*
* @param hiddenServicePort The port that the hidden service will accept connections on
* @param localPort The local port that the hidden service will relay connections to
* @return The hidden service's onion address in the form X.onion.
* @throws java.io.IOException - File errors
*/
public synchronized String publishHiddenService(int hiddenServicePort, int localPort)
throws IOException {
if (controlConnection == null) {
throw new RuntimeException("Service is not running.");
}
List<ConfigEntry> currentHiddenServices = controlConnection.getConf("HiddenServiceOptions");
if ((currentHiddenServices.size() == 1
&& currentHiddenServices.get(0).key.compareTo("HiddenServiceOptions") == 0
&& currentHiddenServices.get(0).value.compareTo("") == 0)
== false) {
throw new RuntimeException(
"Sorry, only one hidden service to a customer and we already have one. Please send complaints to https://github.com/thaliproject/Tor_Onion_Proxy_Library/issues/5 with your scenario so we can justify fixing this.");
}
LOG.info("Creating hidden service");
File hostnameFile = onionProxyContext.getHostNameFile();
if (hostnameFile.getParentFile().exists() == false
&& hostnameFile.getParentFile().mkdirs() == false) {
throw new RuntimeException("Could not create hostnameFile parent directory");
}
if (hostnameFile.exists() == false && hostnameFile.createNewFile() == false) {
throw new RuntimeException("Could not create hostnameFile");
}
// Watch for the hostname file being created/updated
WriteObserver hostNameFileObserver = onionProxyContext.generateWriteObserver(hostnameFile);
// Use the control connection to update the Tor config
List<String> config =
Arrays.asList(
"HiddenServiceDir " + hostnameFile.getParentFile().getAbsolutePath(),
"HiddenServicePort " + hiddenServicePort + " 127.0.0.1:" + localPort);
controlConnection.setConf(config);
controlConnection.saveConf();
// Wait for the hostname file to be created/updated
if (!hostNameFileObserver.poll(HOSTNAME_TIMEOUT, MILLISECONDS)) {
FileUtilities.listFilesToLog(hostnameFile.getParentFile());
throw new RuntimeException("Wait for hidden service hostname file to be created expired.");
}
// Publish the hidden service's onion hostname in transport properties
String hostname = new String(FileUtilities.read(hostnameFile), "UTF-8").trim();
LOG.info("Hidden service config has completed.");
return hostname;
}
/**
* Kills the Tor OP Process. Once you have called this method nothing is going to work until you
* either call startWithRepeat or installAndStartTorOp
*
* @throws java.io.IOException - File errors
*/
public synchronized void stop() throws IOException {
try {
if (controlConnection == null) {
return;
}
LOG.info("Stopping Tor");
controlConnection.setConf("DisableNetwork", "1");
controlConnection.shutdownTor("TERM");
} finally {
if (controlSocket != null) {
controlSocket.close();
}
controlConnection = null;
controlSocket = null;
}
}
/** Change the value of the configuration option 'key' to 'val'. */
public void setConf(String key, String value) throws IOException {
List<String> lst = new ArrayList<String>();
lst.add(key + " " + value);
setConf(lst);
}
