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Minecraft-SSHD
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This commit is contained in:
Justin Crawford 2019-11-23 21:53:58 -08:00
parent ae8d5bff1d
commit 5a247576c4
No known key found for this signature in database
GPG Key ID: 0D84DEDBB8EF259C
13 changed files with 360 additions and 195 deletions
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107
src/main/java/com/ryanmichela/sshd/BCrypt.java
View File

@ -61,7 +61,8 @@ import java.security.SecureRandom;
* @author Damien Miller
* @version 0.2
*/
public class BCrypt {
public class BCrypt
{
// BCrypt parameters
private static final int GENSALT_DEFAULT_LOG2_ROUNDS = 10;
private static final int BCRYPT_SALT_LEN = 16;
@ -383,8 +384,8 @@ public class BCrypt {
* @return base64-encoded string
* @exception IllegalArgumentException if the length is invalid
*/
private static String encode_base64(byte d[], int len)
throws IllegalArgumentException {
private static String encode_base64(byte d[], int len) throws IllegalArgumentException
{
int off = 0;
StringBuffer rs = new StringBuffer();
int c1, c2;
@ -392,19 +393,23 @@ public class BCrypt {
if (len <= 0 || len > d.length)
throw new IllegalArgumentException ("Invalid len");
while (off < len) {
while (off < len)
{
c1 = d[off++] & 0xff;
rs.append(base64_code[(c1 >> 2) & 0x3f]);
c1 = (c1 & 0x03) << 4;
if (off >= len) {
if (off >= len)
{
rs.append(base64_code[c1 & 0x3f]);
break;
}
c2 = d[off++] & 0xff;
c1 |= (c2 >> 4) & 0x0f;
rs.append(base64_code[c1 & 0x3f]);
c1 = (c2 & 0x0f) << 2;
if (off >= len) {
if (off >= len)
{
rs.append(base64_code[c1 & 0x3f]);
break;
}
@ -422,9 +427,11 @@ public class BCrypt {
* @param x the base64-encoded value
* @return the decoded value of x
*/
private static byte char64(char x) {
private static byte char64(char x)
{
if ((int)x < 0 || (int)x > index_64.length)
return -1;
return index_64[(int)x];
}
@ -437,8 +444,8 @@ public class BCrypt {
* @return an array containing the decoded bytes
* @throws IllegalArgumentException if maxolen is invalid
*/
private static byte[] decode_base64(String s, int maxolen)
throws IllegalArgumentException {
private static byte[] decode_base64(String s, int maxolen) throws IllegalArgumentException
{
StringBuffer rs = new StringBuffer();
int off = 0, slen = s.length(), olen = 0;
byte ret[];
@ -447,7 +454,8 @@ public class BCrypt {
if (maxolen <= 0)
throw new IllegalArgumentException ("Invalid maxolen");
while (off < slen - 1 && olen < maxolen) {
while (off < slen - 1 && olen < maxolen)
{
c1 = char64(s.charAt(off++));
c2 = char64(s.charAt(off++));
if (c1 == -1 || c2 == -1)
@ -475,6 +483,7 @@ public class BCrypt {
ret = new byte[olen];
for (off = 0; off < olen; off++)
ret[off] = (byte)rs.charAt(off);
return ret;
}
@ -484,11 +493,13 @@ public class BCrypt {
* @param lr an array containing the two 32-bit half blocks
* @param off the position in the array of the blocks
*/
private final void encipher(int lr[], int off) {
private final void encipher(int lr[], int off)
{
int i, n, l = lr[off], r = lr[off + 1];
l ^= P[0];
for (i = 0; i <= BLOWFISH_NUM_ROUNDS - 2;) {
for (i = 0; i <= BLOWFISH_NUM_ROUNDS - 2;)
{
// Feistel substitution on left word
n = S[(l >> 24) & 0xff];
n += S[0x100 | ((l >> 16) & 0xff)];
@ -514,12 +525,14 @@ public class BCrypt {
* current offset into data
* @return the next word of material from data
*/
private static int streamtoword(byte data[], int offp[]) {
private static int streamtoword(byte data[], int offp[])
{
int i;
int word = 0;
int off = offp[0];
for (i = 0; i < 4; i++) {
for (i = 0; i < 4; i++)
{
word = (word << 8) | (data[off] & 0xff);
off = (off + 1) % data.length;
}
@ -531,7 +544,8 @@ public class BCrypt {
/**
* Initialise the Blowfish key schedule
*/
private void init_key() {
private void init_key()
{
P = (int[])P_orig.clone();
S = (int[])S_orig.clone();
}
@ -540,7 +554,8 @@ public class BCrypt {
* Key the Blowfish cipher
* @param key an array containing the key
*/
private void key(byte key[]) {
private void key(byte key[])
{
int i;
int koffp[] = { 0 };
int lr[] = { 0, 0 };
@ -549,13 +564,15 @@ public class BCrypt {
for (i = 0; i < plen; i++)
P[i] = P[i] ^ streamtoword(key, koffp);
for (i = 0; i < plen; i += 2) {
for (i = 0; i < plen; i += 2)
{
encipher(lr, 0);
P[i] = lr[0];
P[i + 1] = lr[1];
}
for (i = 0; i < slen; i += 2) {
for (i = 0; i < slen; i += 2)
{
encipher(lr, 0);
S[i] = lr[0];
S[i + 1] = lr[1];
@ -569,7 +586,8 @@ public class BCrypt {
* @param data salt information
* @param key password information
*/
private void ekskey(byte data[], byte key[]) {
private void ekskey(byte data[], byte key[])
{
int i;
int koffp[] = { 0 }, doffp[] = { 0 };
int lr[] = { 0, 0 };
@ -578,7 +596,8 @@ public class BCrypt {
for (i = 0; i < plen; i++)
P[i] = P[i] ^ streamtoword(key, koffp);
for (i = 0; i < plen; i += 2) {
for (i = 0; i < plen; i += 2)
{
lr[0] ^= streamtoword(data, doffp);
lr[1] ^= streamtoword(data, doffp);
encipher(lr, 0);
@ -586,7 +605,8 @@ public class BCrypt {
P[i + 1] = lr[1];
}
for (i = 0; i < slen; i += 2) {
for (i = 0; i < slen; i += 2)
{
lr[0] ^= streamtoword(data, doffp);
lr[1] ^= streamtoword(data, doffp);
encipher(lr, 0);
@ -604,7 +624,8 @@ public class BCrypt {
* of rounds of hashing to apply
* @return an array containing the binary hashed password
*/
private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) {
private byte[] crypt_raw(byte password[], byte salt[], int log_rounds)
{
int rounds, i, j;
int cdata[] = (int[])bf_crypt_ciphertext.clone();
int clen = cdata.length;
@ -612,24 +633,28 @@ public class BCrypt {
if (log_rounds < 4 || log_rounds > 31)
throw new IllegalArgumentException ("Bad number of rounds");
rounds = 1 << log_rounds;
if (salt.length != BCRYPT_SALT_LEN)
throw new IllegalArgumentException ("Bad salt length");
init_key();
ekskey(salt, password);
for (i = 0; i < rounds; i++) {
for (i = 0; i < rounds; i++)
{
key(password);
key(salt);
}
for (i = 0; i < 64; i++) {
for (i = 0; i < 64; i++)
{
for (j = 0; j < (clen >> 1); j++)
encipher(cdata, j << 1);
}
ret = new byte[clen * 4];
for (i = 0, j = 0; i < clen; i++) {
for (i = 0, j = 0; i < clen; i++)
{
ret[j++] = (byte)((cdata[i] >> 24) & 0xff);
ret[j++] = (byte)((cdata[i] >> 16) & 0xff);
ret[j++] = (byte)((cdata[i] >> 8) & 0xff);
@ -645,7 +670,8 @@ public class BCrypt {
* using BCrypt.gensalt)
* @return the hashed password
*/
public static String hashpw(String password, String salt) {
public static String hashpw(String password, String salt)
{
BCrypt B;
String real_salt;
byte passwordb[], saltb[], hashed[];
@ -655,9 +681,11 @@ public class BCrypt {
if (salt.charAt(0) != '$' || salt.charAt(1) != '2')
throw new IllegalArgumentException ("Invalid salt version");
if (salt.charAt(2) == '$')
off = 3;
else {
else
{
minor = salt.charAt(2);
if (minor != 'a' || salt.charAt(3) != '$')
throw new IllegalArgumentException ("Invalid salt revision");
@ -670,9 +698,12 @@ public class BCrypt {
rounds = Integer.parseInt(salt.substring(off, off + 2));
real_salt = salt.substring(off + 3, off + 25);
try {
try
{
passwordb = (password + (minor >= 'a' ? "\000" : "")).getBytes("UTF-8");
} catch (UnsupportedEncodingException uee) {
}
catch (UnsupportedEncodingException uee)
{
throw new AssertionError("UTF-8 is not supported");
}
@ -684,14 +715,17 @@ public class BCrypt {
rs.append("$2");
if (minor >= 'a')
rs.append(minor);
rs.append("$");
if (rounds < 10)
rs.append("0");
rs.append(Integer.toString(rounds));
rs.append("$");
rs.append(encode_base64(saltb, saltb.length));
rs.append(encode_base64(hashed,
bf_crypt_ciphertext.length * 4 - 1));
bf_crypt_ciphertext.length * 4 - 1));
return rs.toString();
}
@ -703,7 +737,8 @@ public class BCrypt {
* @param random an instance of SecureRandom to use
* @return an encoded salt value
*/
public static String gensalt(int log_rounds, SecureRandom random) {
public static String gensalt(int log_rounds, SecureRandom random)
{
StringBuffer rs = new StringBuffer();
byte rnd[] = new byte[BCRYPT_SALT_LEN];
@ -712,6 +747,7 @@ public class BCrypt {
rs.append("$2a$");
if (log_rounds < 10)
rs.append("0");
rs.append(Integer.toString(log_rounds));
rs.append("$");
rs.append(encode_base64(rnd, rnd.length));
@ -725,7 +761,8 @@ public class BCrypt {
* 2**log_rounds.
* @return an encoded salt value
*/
public static String gensalt(int log_rounds) {
public static String gensalt(int log_rounds)
{
return gensalt(log_rounds, new SecureRandom());
}
@ -735,7 +772,8 @@ public class BCrypt {
* rounds to apply
* @return an encoded salt value
*/
public static String gensalt() {
public static String gensalt()
{
return gensalt(GENSALT_DEFAULT_LOG2_ROUNDS);
}
@ -746,7 +784,8 @@ public class BCrypt {
* @param hashed the previously-hashed password
* @return true if the passwords match, false otherwise
*/
public static boolean checkpw(String plaintext, String hashed) {
public static boolean checkpw(String plaintext, String hashed)
{
return (hashed.compareTo(hashpw(plaintext, hashed)) == 0);
}
}

4
src/main/java/com/ryanmichela/sshd/ConfigPasswordAuthenticator.java
View File

@ -11,8 +11,8 @@ import java.util.Map;
/**
* Copyright 2013 Ryan Michela
*/
public class ConfigPasswordAuthenticator implements PasswordAuthenticator {
public class ConfigPasswordAuthenticator implements PasswordAuthenticator
{
private Map<String, Integer> FailCounts = new HashMap<String, Integer>();
@Override

34
src/main/java/com/ryanmichela/sshd/ConsoleCommandCompleter.java
View File

@ -12,33 +12,41 @@ import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.logging.Level;
public class ConsoleCommandCompleter implements Completer {
public int complete(final String buffer, final int cursor, final List<CharSequence> candidates) {
Waitable<List<String>> waitable = new Waitable<List<String>>() {
public class ConsoleCommandCompleter implements Completer
{
public int complete(final String buffer, final int cursor, final List<CharSequence> candidates)
{
Waitable<List<String>> waitable = new Waitable<List<String>>()
{
@Override
protected List<String> evaluate() {
protected List<String> evaluate()
{
CommandMap commandMap = ReflectionUtil.getProtectedValue(Bukkit.getServer(), "commandMap");
return commandMap.tabComplete(Bukkit.getServer().getConsoleSender(), buffer);
}
};
Bukkit.getScheduler().runTask(SshdPlugin.instance, waitable);
try {
try
{
List<String> offers = waitable.get();
if (offers == null) {
if (offers == null)
return cursor;
}
candidates.addAll(offers);
final int lastSpace = buffer.lastIndexOf(' ');
if (lastSpace == -1) {
if (lastSpace == -1)
return cursor - buffer.length();
} else {
else
return cursor - (buffer.length() - lastSpace - 1);
}
} catch (ExecutionException e) {
}
catch (ExecutionException e)
{
SshdPlugin.instance.getLogger().log(Level.WARNING, "Unhandled exception when tab completing", e);
} catch (InterruptedException e) {
}
catch (InterruptedException e)
{
Thread.currentThread().interrupt();
}
return cursor;

40
src/main/java/com/ryanmichela/sshd/ConsoleCommandFactory.java
View File

@ -14,51 +14,63 @@ import java.io.OutputStream;
/**
* Copyright 2013 Ryan Michela
*/
public class ConsoleCommandFactory implements CommandFactory {
public class ConsoleCommandFactory implements CommandFactory
{
@Override
public Command createCommand(ChannelSession cs, String command) {
public Command createCommand(ChannelSession cs, String command)
{
return new ConsoleCommand(command);
}
public class ConsoleCommand implements Command {
public class ConsoleCommand implements Command
{
private String command;
private InputStream in;
private OutputStream out;
private OutputStream err;
private ExitCallback callback;
public ConsoleCommand(String command) {
public ConsoleCommand(String command)
{
this.command = command;
}
public void setInputStream(InputStream in) {
public void setInputStream(InputStream in)
{
this.in = in;
}
public void setOutputStream(OutputStream out) {
public void setOutputStream(OutputStream out)
{
this.out = out;
}
public void setErrorStream(OutputStream err) {
public void setErrorStream(OutputStream err)
{
this.err = err;
}
public void setExitCallback(ExitCallback callback) {
public void setExitCallback(ExitCallback callback)
{
this.callback = callback;
}
@Override
public void start(ChannelSession cs, Environment environment) throws IOException {
try {
public void start(ChannelSession cs, Environment environment) throws IOException
{
try
{
SshdPlugin.instance.getLogger()
.info("[U: " + environment.getEnv().get(Environment.ENV_USER) + "] " + command);
Bukkit.dispatchCommand(Bukkit.getConsoleSender(), command);
} catch (Exception e) {
}
catch (Exception e)
{
SshdPlugin.instance.getLogger().severe("Error processing command from SSH -" + e.getMessage());
} finally {
}
finally
{
callback.onExit(0);
}
}

33
src/main/java/com/ryanmichela/sshd/ConsoleShellFactory.java
View File

@ -32,13 +32,16 @@ import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.StreamHandler;
public class ConsoleShellFactory implements ShellFactory {
public class ConsoleShellFactory implements ShellFactory
{
public Command createShell(ChannelSession cs) {
public Command createShell(ChannelSession cs)
{
return new ConsoleShell();
}
public class ConsoleShell implements Command, Runnable {
public class ConsoleShell implements Command, Runnable
{
private InputStream in;
private OutputStream out;
@ -52,35 +55,43 @@ public class ConsoleShellFactory implements ShellFactory {
public ConsoleReader ConsoleReader;
public SSHDCommandSender SshdCommandSender;
public InputStream getIn() {
public InputStream getIn()
{
return in;
}
public OutputStream getOut() {
public OutputStream getOut()
{
return out;
}
public OutputStream getErr() {
public OutputStream getErr()
{
return err;
}
public Environment getEnvironment() {
public Environment getEnvironment()
{
return environment;
}
public void setInputStream(InputStream in) {
public void setInputStream(InputStream in)
{
this.in = in;
}
public void setOutputStream(OutputStream out) {
public void setOutputStream(OutputStream out)
{
this.out = out;
}
public void setErrorStream(OutputStream err) {
public void setErrorStream(OutputStream err)
{
this.err = err;
}
public void setExitCallback(ExitCallback callback) {
public void setExitCallback(ExitCallback callback)
{
this.callback = callback;
}

5
src/main/java/com/ryanmichela/sshd/Cryptography.java
View File

@ -140,10 +140,10 @@ class Cryptography
private static byte[] FromHex(String hex) throws NoSuchAlgorithmException
{
byte[] bytes = new byte[hex.length() / 2];
for (int i = 0; i < bytes.length; i++)
{
bytes[i] = (byte)Integer.parseInt(hex.substring(2 * i, 2 * i + 2), 16);
}
return bytes;
}
@ -152,6 +152,7 @@ class Cryptography
BigInteger bi = new BigInteger(1, array);
String hex = bi.toString(16);
int paddingLength = (array.length * 2) - hex.length();
if (paddingLength > 0)
return String.format("%0" + paddingLength + "d", 0) + hex;
else

32
src/main/java/com/ryanmichela/sshd/FlushyStreamHandler.java
View File

@ -10,39 +10,51 @@ import java.util.logging.*;
/**
* Copyright 2013 Ryan Michela
*/
public class FlushyStreamHandler extends StreamHandler {
public class FlushyStreamHandler extends StreamHandler
{
private ConsoleReader reader;
public FlushyStreamHandler(OutputStream out, Formatter formatter, ConsoleReader reader) {
public FlushyStreamHandler(OutputStream out, Formatter formatter, ConsoleReader reader)
{
super(out, formatter);
this.reader = reader;
setLevel(Level.INFO);
}
@Override
public synchronized void publish(LogRecord record) {
public synchronized void publish(LogRecord record)
{
record.setMessage(record.getMessage().replace("\n", "\n\r"));
super.publish(record);
flush();
}
@Override
public synchronized void flush() {
try {
public synchronized void flush()
{
try
{
reader.print(ConsoleReader.RESET_LINE + "");
reader.flush();
super.flush();
try {
try
{
reader.drawLine();
} catch (Throwable ex) {
}
catch (Throwable ex)
{
reader.getCursorBuffer().clear();
}
reader.flush();
super.flush();
} catch (SshException ex) {
}
catch (SshException ex)
{
// do nothing
} catch (IOException ex) {
}
catch (IOException ex)
{
Logger.getLogger(FlushyStreamHandler.class.getName()).log(Level.SEVERE, null, ex);
}
}

69
src/main/java/com/ryanmichela/sshd/ReflectionUtil.java
View File

@ -9,16 +9,20 @@ import java.lang.reflect.Modifier;
*/
public class ReflectionUtil {
public static void setProtectedValue(Object o, String field, Object newValue) {
public static void setProtectedValue(Object o, String field, Object newValue)
{
setProtectedValue(o.getClass(), o, field, newValue);
}
public static void setProtectedValue(Class c, String field, Object newValue) {
public static void setProtectedValue(Class c, String field, Object newValue)
{
setProtectedValue(c, null, field, newValue);
}
public static void setProtectedValue(Class c, Object o, String field, Object newValue) {
try {
public static void setProtectedValue(Class c, Object o, String field, Object newValue)
{
try
{
Field f = c.getDeclaredField(field);
@ -29,18 +33,25 @@ public class ReflectionUtil {
modifiersField.setInt(f, f.getModifiers() & ~Modifier.FINAL);
f.set(o, newValue);
} catch (NoSuchFieldException | IllegalAccessException ex) {
}
catch (NoSuchFieldException | IllegalAccessException ex)
{
System.out.println("*** " + c.getName() + ":" + ex);
}
}
public static <T> T getProtectedValue(Object obj, String fieldName) {
try {
public static <T> T getProtectedValue(Object obj, String fieldName)
{
try
{
Class c = obj.getClass();
while (c != Object.class) {
while (c != Object.class)
{
Field[] fields = c.getDeclaredFields();
for (Field f : fields) {
if (f.getName() == fieldName) {
for (Field f : fields)
{
if (f.getName() == fieldName)
{
f.setAccessible(true);
return (T) f.get(obj);
}
@ -49,46 +60,58 @@ public class ReflectionUtil {
}
System.out.println("*** " + obj.getClass().getName() + ":No such field");
return null;
} catch (Exception ex) {
}
catch (Exception ex)
{
System.out.println("*** " + obj.getClass().getName() + ":" + ex);
return null;
}
}
public static <T> T getProtectedValue(Class c, String field) {
try {
public static <T> T getProtectedValue(Class c, String field)
{
try
{
Field f = c.getDeclaredField(field);
f.setAccessible(true);
return (T) f.get(c);
} catch (Exception ex) {
}
catch (Exception ex)
{
System.out.println("*** " + c.getName() + ":" + ex);
return null;
}
}
public static Object invokeProtectedMethod(Class c, String method, Object... args) {
public static Object invokeProtectedMethod(Class c, String method, Object... args)
{
return invokeProtectedMethod(c, null, method, args);
}
public static Object invokeProtectedMethod(Object o, String method, Object... args) {
public static Object invokeProtectedMethod(Object o, String method, Object... args)
{
return invokeProtectedMethod(o.getClass(), o, method, args);
}
public static Object invokeProtectedMethod(Class c, Object o, String method, Object... args) {
try {
public static Object invokeProtectedMethod(Class c, Object o, String method, Object... args)
{
try
{
Class[] pTypes = new Class[args.length];
for (int i = 0; i < args.length; i++) {
if (args[i] instanceof Integer) {
for (int i = 0; i < args.length; i++)
{
if (args[i] instanceof Integer)
pTypes[i] = int.class;
} else {
else
pTypes[i] = args[i].getClass();
}
}
Method m = c.getDeclaredMethod(method, pTypes);
m.setAccessible(true);
return m.invoke(o, args);
} catch (Exception ex) {
}
catch (Exception ex)
{
System.out.println("*** " + c.getName() + "." + method + "(): " + ex);
return null;
}

10
src/main/java/com/ryanmichela/sshd/SshTerminal.java
View File

@ -5,14 +5,16 @@ import jline.TerminalSupport;
/**
* Copyright 2013 Ryan Michela
*/
public class SshTerminal extends TerminalSupport {
protected SshTerminal() {
public class SshTerminal extends TerminalSupport
{
protected SshTerminal()
{
super(true);
}
@Override
public void init() throws Exception {
public void init() throws Exception
{
setAnsiSupported(true);
setEchoEnabled(true);
}

54
src/main/java/com/ryanmichela/sshd/StreamHandlerAppender.java
View File

@ -13,80 +13,88 @@ import java.util.logging.StreamHandler;
/**
* Copyright 2014 Ryan Michela
*/
public class StreamHandlerAppender implements Appender {
public class StreamHandlerAppender implements Appender
{
private StreamHandler streamHandler;
private UUID uuid;
public StreamHandlerAppender(StreamHandler streamHandler) {
public StreamHandlerAppender(StreamHandler streamHandler)
{
this.streamHandler = streamHandler;
uuid = UUID.randomUUID();
}
@Override
public void append(LogEvent logEvent) {
public void append(LogEvent logEvent)
{
java.util.logging.Level level;
if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.DEBUG)) {
if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.DEBUG))
level = java.util.logging.Level.FINE;
} else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.INFO)) {
else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.INFO))
level = java.util.logging.Level.INFO;
} else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.WARN)) {
else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.WARN))
level = java.util.logging.Level.WARNING;
} else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.ERROR)) {
else if (logEvent.getLevel().equals(org.apache.logging.log4j.Level.ERROR))
level = java.util.logging.Level.SEVERE;
} else {
else
level = java.util.logging.Level.INFO;
}
String message = logEvent.getMessage().getFormattedMessage();
LogRecord logRecord = new LogRecord(level, message);
streamHandler.publish(logRecord);
}
@Override
public String getName() {
public String getName()
{
return "StreamHandlerAppender:" + uuid.toString();
}
@Override
public Layout<? extends Serializable> getLayout() {
public Layout<? extends Serializable> getLayout()
{
return null;
}
@Override
public boolean ignoreExceptions() {
public boolean ignoreExceptions()
{
return false;
}
@Override
public ErrorHandler getHandler() {
public ErrorHandler getHandler()
{
return null;
}
@Override
public void setHandler(ErrorHandler errorHandler) {
public void setHandler(ErrorHandler errorHandler)
{
}
@Override
public void start() {
public void start()
{
}
@Override
public void stop() {
public void stop()
{
}
@Override
public boolean isStarted() {
public boolean isStarted()
{
return true;
}
@Override
public boolean isStopped() {
public boolean isStopped()
{
return false;
}
}

42
src/main/java/com/ryanmichela/sshd/Waitable.java
View File

@ -5,9 +5,11 @@ import java.util.concurrent.ExecutionException;
/**
* Copyright 2013 Ryan Michela
*/
public abstract class Waitable<T> implements Runnable {
public abstract class Waitable<T> implements Runnable
{
private enum Status {
private enum Status
{
WAITING,
RUNNING,
FINISHED,
@ -17,19 +19,28 @@ public abstract class Waitable<T> implements Runnable {
T value = null;
Status status = Status.WAITING;
public final void run() {
synchronized (this) {
if (status != Status.WAITING) {
public final void run()
{
synchronized (this)
{
if (status != Status.WAITING)
throw new IllegalStateException("Invalid state " + status);
}
status = Status.RUNNING;
}
try {
try
{
value = evaluate();
} catch (Throwable t) {
}
catch (Throwable t)
{
this.t = t;
} finally {
synchronized (this) {
}
finally
{
synchronized (this)
{
status = Status.FINISHED;
this.notifyAll();
}
@ -38,13 +49,14 @@ public abstract class Waitable<T> implements Runnable {
protected abstract T evaluate();
public synchronized T get() throws InterruptedException, ExecutionException {
while (status != Status.FINISHED) {
public synchronized T get() throws InterruptedException, ExecutionException
{
while (status != Status.FINISHED)
this.wait();
}
if (t != null) {
if (t != null)
throw new ExecutionException(t);
}
return value;
}
}

66
src/main/java/com/ryanmichela/sshd/implementations/SSHDCommandSender.java
View File

@ -61,91 +61,113 @@ public class SSHDCommandSender implements ConsoleCommandSender, CommandSender
}
}
public void sendMessage(String[] messages) {
public void sendMessage(String[] messages)
{
Arrays.asList(messages).forEach(this::sendMessage);
}
public String getName() {
public String getName()
{
return "SSHD Console";
}
public boolean isOp() {
public boolean isOp()
{
return true;
}
public void setOp(boolean value) {
public void setOp(boolean value)
{
throw new UnsupportedOperationException("Cannot change operator status of server console");
}
public boolean beginConversation(Conversation conversation) {
public boolean beginConversation(Conversation conversation)
{
return this.conversationTracker.beginConversation(conversation);
}
public void abandonConversation(Conversation conversation) {
public void abandonConversation(Conversation conversation)
{
this.conversationTracker.abandonConversation(conversation, new ConversationAbandonedEvent(conversation, new ManuallyAbandonedConversationCanceller()));
}
public void abandonConversation(Conversation conversation, ConversationAbandonedEvent details) {
public void abandonConversation(Conversation conversation, ConversationAbandonedEvent details)
{
this.conversationTracker.abandonConversation(conversation, details);
}
public void acceptConversationInput(String input) {
public void acceptConversationInput(String input)
{
this.conversationTracker.acceptConversationInput(input);
}
public boolean isConversing() {
public boolean isConversing()
{
return this.conversationTracker.isConversing();
}
public boolean isPermissionSet(String name) {
public boolean isPermissionSet(String name)
{
return this.perm.isPermissionSet(name);
}
public boolean isPermissionSet(Permission perm) {
public boolean isPermissionSet(Permission perm)
{
return this.perm.isPermissionSet(perm);
}
public boolean hasPermission(String name) {
public boolean hasPermission(String name)
{
return this.perm.hasPermission(name);
}
public boolean hasPermission(Permission perm) {
public boolean hasPermission(Permission perm)
{
return this.perm.hasPermission(perm);
}
public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value) {
public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value)
{
return this.perm.addAttachment(plugin, name, value);
}
public PermissionAttachment addAttachment(Plugin plugin) {
public PermissionAttachment addAttachment(Plugin plugin)
{
return this.perm.addAttachment(plugin);
}
public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value, int ticks) {
public PermissionAttachment addAttachment(Plugin plugin, String name, boolean value, int ticks)
{
return this.perm.addAttachment(plugin, name, value, ticks);
}
public PermissionAttachment addAttachment(Plugin plugin, int ticks) {
public PermissionAttachment addAttachment(Plugin plugin, int ticks)
{
return this.perm.addAttachment(plugin, ticks);
}
public void removeAttachment(PermissionAttachment attachment) {
public void removeAttachment(PermissionAttachment attachment)
{
this.perm.removeAttachment(attachment);
}
public void recalculatePermissions() {
public void recalculatePermissions()
{
this.perm.recalculatePermissions();
}
public Set<PermissionAttachmentInfo> getEffectivePermissions() {
public Set<PermissionAttachmentInfo> getEffectivePermissions()
{
return this.perm.getEffectivePermissions();
}
public boolean isPlayer() {
public boolean isPlayer()
{
return false;
}
public Server getServer() {
public Server getServer()
{
return Bukkit.getServer();
}

59
src/main/java/com/ryanmichela/sshd/implementations/SSHDConversationTracker.java
View File

@ -8,13 +8,17 @@ import org.bukkit.conversations.ManuallyAbandonedConversationCanceller;
import java.util.LinkedList;
import java.util.logging.Level;
public class SSHDConversationTracker {
public class SSHDConversationTracker
{
private LinkedList<Conversation> conversationQueue = new LinkedList<>();
synchronized boolean beginConversation(Conversation conversation) {
if (!this.conversationQueue.contains(conversation)) {
synchronized boolean beginConversation(Conversation conversation)
{
if (!this.conversationQueue.contains(conversation))
{
this.conversationQueue.addLast(conversation);
if (this.conversationQueue.getFirst() == conversation) {
if (this.conversationQueue.getFirst() == conversation)
{
conversation.begin();
conversation.outputNextPrompt();
return true;
@ -24,55 +28,66 @@ public class SSHDConversationTracker {
return true;
}
synchronized void abandonConversation(Conversation conversation, ConversationAbandonedEvent details) {
if (!this.conversationQueue.isEmpty()) {
if (this.conversationQueue.getFirst() == conversation) {
synchronized void abandonConversation(Conversation conversation, ConversationAbandonedEvent details)
{
if (!this.conversationQueue.isEmpty())
{
if (this.conversationQueue.getFirst() == conversation)
conversation.abandon(details);
}
if (this.conversationQueue.contains(conversation)) {
if (this.conversationQueue.contains(conversation))
this.conversationQueue.remove(conversation);
}
if (!this.conversationQueue.isEmpty()) {
if (!this.conversationQueue.isEmpty())
this.conversationQueue.getFirst().outputNextPrompt();
}
}
}
public synchronized void abandonAllConversations() {
public synchronized void abandonAllConversations()
{
LinkedList<Conversation> oldQueue = this.conversationQueue;
this.conversationQueue = new LinkedList<>();
for (Conversation conversation : oldQueue) {
try {
for (Conversation conversation : oldQueue)
{
try
{
conversation.abandon(new ConversationAbandonedEvent(conversation, new ManuallyAbandonedConversationCanceller()));
} catch (Throwable var5) {
}
catch (Throwable var5)
{
Bukkit.getLogger().log(Level.SEVERE, "Unexpected exception while abandoning a conversation", var5);
}
}
}
synchronized void acceptConversationInput(String input) {
if (this.isConversing()) {
synchronized void acceptConversationInput(String input)
{
if (this.isConversing())
{
Conversation conversation = this.conversationQueue.getFirst();
try {
try
{
conversation.acceptInput(input);
} catch (Throwable var4) {
}
catch (Throwable var4)
{
conversation.getContext().getPlugin().getLogger().log(Level.WARNING, String.format("Plugin %s generated an exception whilst handling conversation input", conversation.getContext().getPlugin().getDescription().getFullName()), var4);
}
}
}
synchronized boolean isConversing() {
synchronized boolean isConversing()
{
return !this.conversationQueue.isEmpty();
}
public synchronized boolean isConversingModaly() {
public synchronized boolean isConversingModaly()
{
return this.isConversing() && this.conversationQueue.getFirst().isModal();
}
}