protected AbstractSftpClientExtension(
     String name, SftpClient client, RawSftpClient raw, boolean supported) {
   this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
   this.client = ValidateUtils.checkNotNull(client, "No client instance");
   this.raw = ValidateUtils.checkNotNull(raw, "No raw access");
   this.supported = supported;
 }
Пример #2
0
 public MacVectorsTest(VectorSeed seed, String factoryName, String expected) {
   this.seed = ValidateUtils.checkNotNull(seed, "No seed");
   this.macFactory =
       ValidateUtils.checkNotNull(
           BuiltinMacs.fromFactoryName(factoryName), "Unknown MAC: %s", factoryName);
   this.expected = BufferUtils.decodeHex(BufferUtils.EMPTY_HEX_SEPARATOR, expected);
 }
Пример #3
0
  @Override
  public void download(String remote, Path local, Collection<Option> options) throws IOException {
    local = ValidateUtils.checkNotNull(local, "Invalid argument local: %s", local);
    remote = ValidateUtils.checkNotNullAndNotEmpty(remote, "Invalid argument remote: %s", remote);

    LinkOption[] opts = IoUtils.getLinkOptions(false);
    if (Files.isDirectory(local, opts)) {
      options = addTargetIsDirectory(options);
    }

    if (options.contains(Option.TargetIsDirectory)) {
      Boolean status = IoUtils.checkFileExists(local, opts);
      if (status == null) {
        throw new SshException("Target directory " + local.toString() + " is probaly inaccesible");
      }

      if (!status.booleanValue()) {
        throw new SshException("Target directory " + local.toString() + " does not exist");
      }

      if (!Files.isDirectory(local, opts)) {
        throw new SshException("Target directory " + local.toString() + " is not a directory");
      }
    }

    download(remote, local.getFileSystem(), local, options);
  }
Пример #4
0
  public SshdSocketAddress(String hostName, int port) {
    ValidateUtils.checkNotNull(hostName, "Host name may not be null");
    this.hostName = GenericUtils.isEmpty(hostName) ? "0.0.0.0" : hostName;

    ValidateUtils.checkTrue(port >= 0, "Port must be >= 0", Integer.valueOf(port));
    this.port = port;
  }
Пример #5
0
 protected Nio2Service(FactoryManager manager, IoHandler handler, AsynchronousChannelGroup group) {
   if (log.isTraceEnabled()) {
     log.trace("Creating {}", getClass().getSimpleName());
   }
   this.manager = ValidateUtils.checkNotNull(manager, "No factory manager provided");
   this.handler = ValidateUtils.checkNotNull(handler, "No I/O handler provided");
   this.group = ValidateUtils.checkNotNull(group, "No async. channel group provided");
   this.sessions = new ConcurrentHashMap<>();
 }
Пример #6
0
 public Collection<KeyPair> loadKeyPairs(String resourceKey, byte[] pubData, byte[] prvData)
     throws IOException, GeneralSecurityException {
   ValidateUtils.checkNotNullAndNotEmpty(pubData, "No public key data in %s", resourceKey);
   ValidateUtils.checkNotNullAndNotEmpty(prvData, "No private key data in %s", resourceKey);
   try (InputStream pubStream = new ByteArrayInputStream(pubData);
       InputStream prvStream = new ByteArrayInputStream(prvData)) {
     return loadKeyPairs(resourceKey, pubStream, prvStream);
   }
 }
Пример #7
0
  @Override
  protected OpenFuture doInit(Buffer buffer) {
    OpenFuture f = new DefaultOpenFuture(this);
    try {
      out =
          new ChannelOutputStream(
              this, getRemoteWindow(), log, SshConstants.SSH_MSG_CHANNEL_DATA, true);
      authSocket = PropertyResolverUtils.getString(this, SshAgent.SSH_AUTHSOCKET_ENV_NAME);
      pool = Pool.create(AprLibrary.getInstance().getRootPool());
      handle = Local.create(authSocket, pool);
      int result = Local.connect(handle, 0);
      if (result != Status.APR_SUCCESS) {
        throwException(result);
      }

      ExecutorService service = getExecutorService();
      forwardService =
          (service == null)
              ? ThreadUtils.newSingleThreadExecutor("ChannelAgentForwarding[" + authSocket + "]")
              : service;
      shutdownForwarder = service != forwardService || isShutdownOnExit();

      final int copyBufSize =
          PropertyResolverUtils.getIntProperty(
              this, FORWARDER_BUFFER_SIZE, DEFAULT_FORWARDER_BUF_SIZE);
      ValidateUtils.checkTrue(
          copyBufSize >= MIN_FORWARDER_BUF_SIZE, "Copy buf size below min.: %d", copyBufSize);
      ValidateUtils.checkTrue(
          copyBufSize <= MAX_FORWARDER_BUF_SIZE, "Copy buf size above max.: %d", copyBufSize);

      forwarder =
          forwardService.submit(
              () -> {
                try {
                  byte[] buf = new byte[copyBufSize];
                  while (true) {
                    int len = Socket.recv(handle, buf, 0, buf.length);
                    if (len > 0) {
                      out.write(buf, 0, len);
                      out.flush();
                    }
                  }
                } catch (IOException e) {
                  close(true);
                }
              });

      signalChannelOpenSuccess();
      f.setOpened();
    } catch (Throwable t) {
      Throwable e = GenericUtils.peelException(t);
      signalChannelOpenFailure(e);
      f.setException(e);
    }

    return f;
  }
Пример #8
0
  @Override
  public Boolean doAuth(Buffer buffer, boolean init) throws Exception {
    ValidateUtils.checkTrue(init, "Instance not initialized");
    boolean hasSig = buffer.getBoolean();
    String alg = buffer.getString();

    int oldLim = buffer.wpos();
    int oldPos = buffer.rpos();
    int len = buffer.getInt();
    buffer.wpos(buffer.rpos() + len);
    PublicKey key = buffer.getRawPublicKey();
    ServerFactoryManager manager = session.getFactoryManager();
    Signature verif =
        ValidateUtils.checkNotNull(
            NamedFactory.Utils.create(manager.getSignatureFactories(), alg),
            "No verifier located for algorithm=%s",
            alg);
    verif.initVerifier(key);
    buffer.wpos(oldLim);

    byte[] sig = hasSig ? buffer.getBytes() : null;

    PublickeyAuthenticator authenticator =
        ValidateUtils.checkNotNull(
            manager.getPublickeyAuthenticator(), "No PublickeyAuthenticator configured");
    if (!authenticator.authenticate(username, key, session)) {
      return Boolean.FALSE;
    }

    if (!hasSig) {
      Buffer buf = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_PK_OK);
      buf.putString(alg);
      buf.putRawBytes(buffer.array(), oldPos, 4 + len);
      session.writePacket(buf);
      return null;
    } else {
      Buffer buf = new ByteArrayBuffer();
      buf.putBytes(session.getKex().getH());
      buf.putByte(SshConstants.SSH_MSG_USERAUTH_REQUEST);
      buf.putString(username);
      buf.putString(service);
      buf.putString(UserAuthPublicKeyFactory.NAME);
      buf.putBoolean(true);
      buf.putString(alg);
      buffer.rpos(oldPos);
      buffer.wpos(oldPos + 4 + len);
      buf.putBuffer(buffer);
      verif.update(buf.array(), buf.rpos(), buf.available());
      if (!verif.verify(sig)) {
        throw new Exception("Key verification failed");
      }
      return Boolean.TRUE;
    }
  }
Пример #9
0
  /**
   * Registered a {@link NamedFactory} to be available besides the built-in ones when parsing
   * configuration
   *
   * @param extension The factory to register
   * @throws IllegalArgumentException if factory instance is {@code null}, or overrides a built-in
   *     one or overrides another registered factory with the same name (case <U>insensitive</U>).
   */
  public static void registerExtension(SignatureFactory extension) {
    String name = Objects.requireNonNull(extension, "No extension provided").getName();
    ValidateUtils.checkTrue(
        fromFactoryName(name) == null, "Extension overrides built-in: %s", name);

    synchronized (EXTENSIONS) {
      ValidateUtils.checkTrue(
          !EXTENSIONS.containsKey(name), "Extension overrides existing: %s", name);
      EXTENSIONS.put(name, extension);
    }
  }
Пример #10
0
 public Collection<KeyPair> loadKeyPairs(
     String resourceKey, InputStream pubData, InputStream prvData)
     throws IOException, GeneralSecurityException {
   try (PuttyKeyReader pubReader =
           new PuttyKeyReader(
               ValidateUtils.checkNotNull(pubData, "No public key data in %s", resourceKey));
       PuttyKeyReader prvReader =
           new PuttyKeyReader(
               ValidateUtils.checkNotNull(prvData, "No private key data in %s", resourceKey))) {
     return loadKeyPairs(resourceKey, pubReader, prvReader);
   }
 }
Пример #11
0
  static SecurityProviderChoice toSecurityProviderChoice(String name) {
    ValidateUtils.checkNotNullAndNotEmpty(name, "No name provided");
    return new SecurityProviderChoice() {
      private final String s = SecurityProviderChoice.class.getSimpleName() + "[" + name + "]";

      @Override
      public String getName() {
        return name;
      }

      @Override
      public boolean isNamedProviderUsed() {
        return true;
      }

      @Override
      public Provider getSecurityProvider() {
        return null;
      }

      @Override
      public String toString() {
        return s;
      }
    };
  }
Пример #12
0
  /**
   * @param props The {@link Properties} holding the server's configuration - ignored if {@code
   *     null}/empty
   * @param options The {@link LinkOption}s to use when checking files existence
   * @return A {@link Map} of the found identities where key=the identity type (case
   *     <U>insensitive</U>) and value=the {@link Path} of the file holding the specific type key
   * @throws IOException If failed to access the file system
   * @see #getIdentityType(String)
   * @see #HOST_KEY_CONFIG_PROP
   * @see org.apache.sshd.common.config.SshConfigFileReader#readConfigFile(File)
   */
  public static Map<String, Path> findIdentities(Properties props, LinkOption... options)
      throws IOException {
    if (GenericUtils.isEmpty(props)) {
      return Collections.emptyMap();
    }

    String keyList = props.getProperty(HOST_KEY_CONFIG_PROP);
    String[] paths = GenericUtils.split(keyList, ',');
    if (GenericUtils.isEmpty(paths)) {
      return Collections.emptyMap();
    }

    Map<String, Path> ids = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
    for (String p : paths) {
      File file = new File(p);
      Path path = file.toPath();
      if (!Files.exists(path, options)) {
        continue;
      }

      String type = getIdentityType(path.getFileName().toString());
      if (GenericUtils.isEmpty(type)) {
        type = p; // just in case the file name does not adhere to the standard naming convention
      }
      Path prev = ids.put(type, path);
      ValidateUtils.checkTrue(prev == null, "Multiple mappings for type=%s", type);
    }

    return ids;
  }
Пример #13
0
  @Override
  public void download(String[] remote, String local, Collection<Option> options)
      throws IOException {
    local = ValidateUtils.checkNotNullAndNotEmpty(local, "Invalid argument local: %s", local);
    remote =
        ValidateUtils.checkNotNullAndNotEmpty(
            remote, "Invalid argument remote: %s", (Object) remote);

    if (remote.length > 1) {
      options = addTargetIsDirectory(options);
    }

    for (String r : remote) {
      download(r, local, options);
    }
  }
Пример #14
0
  @Override
  public void handleOpenSuccess(int recipient, int rwSize, int packetSize, Buffer buffer) {
    setRecipient(recipient);

    Session session = getSession();
    FactoryManager manager =
        ValidateUtils.checkNotNull(session.getFactoryManager(), "No factory manager");
    this.remoteWindow.init(rwSize, packetSize, manager.getProperties());
    ChannelListener listener = getChannelListenerProxy();
    try {
      doOpen();

      listener.channelOpenSuccess(this);
      this.opened.set(true);
      this.openFuture.setOpened();
    } catch (Throwable t) {
      Throwable e = GenericUtils.peelException(t);
      try {
        listener.channelOpenFailure(this, e);
      } catch (Throwable ignored) {
        log.warn(
            "handleOpenSuccess({}) failed ({}) to inform listener of open failure={}: {}",
            this,
            ignored.getClass().getSimpleName(),
            e.getClass().getSimpleName(),
            ignored.getMessage());
      }

      this.openFuture.setException(e);
      this.closeFuture.setClosed();
      this.doCloseImmediately();
    } finally {
      notifyStateChanged();
    }
  }
Пример #15
0
 @Override
 public void upload(Path local, String remote, Collection<Option> options) throws IOException {
   upload(
       new Path[] {ValidateUtils.checkNotNull(local, "Invalid local argument: %s", local)},
       remote,
       GenericUtils.isEmpty(options) ? Collections.<Option>emptySet() : GenericUtils.of(options));
 }
Пример #16
0
 @Override
 public void upload(String local, String remote, Collection<Option> options) throws IOException {
   upload(
       new String[] {
         ValidateUtils.checkNotNullAndNotEmpty(local, "Invalid argument local: %s", local)
       },
       remote,
       options);
 }
Пример #17
0
 @Override
 protected void doWriteData(byte[] data, int off, long len) throws IOException {
   ValidateUtils.checkTrue(
       len <= Integer.MAX_VALUE, "Data length exceeds int boundaries: %d", len);
   int result = Socket.send(handle, data, off, (int) len);
   if (result < Status.APR_SUCCESS) {
     throwException(result);
   }
 }
Пример #18
0
  public static <E extends KnownHostEntry> E parseKnownHostEntry(E entry, String data) {
    String line = data;
    if (GenericUtils.isEmpty(line) || (line.charAt(0) == PublicKeyEntry.COMMENT_CHAR)) {
      return entry;
    }

    entry.setConfigLine(line);

    if (line.charAt(0) == MARKER_INDICATOR) {
      int pos = line.indexOf(' ');
      ValidateUtils.checkTrue(pos > 0, "Missing marker name end delimiter in line=%s", data);
      ValidateUtils.checkTrue(pos > 1, "No marker name after indicator in line=%s", data);
      entry.setMarker(line.substring(1, pos));
      line = line.substring(pos + 1).trim();
    } else {
      entry.setMarker(null);
    }

    int pos = line.indexOf(' ');
    ValidateUtils.checkTrue(pos > 0, "Missing host patterns end delimiter in line=%s", data);
    String hostPattern = line.substring(0, pos);
    line = line.substring(pos + 1).trim();

    if (hostPattern.charAt(0) == KnownHostHashValue.HASHED_HOST_DELIMITER) {
      KnownHostHashValue hash =
          ValidateUtils.checkNotNull(
              KnownHostHashValue.parse(hostPattern),
              "Failed to extract host hash value from line=%s",
              data);
      entry.setHashedEntry(hash);
      entry.setPatterns(null);
    } else {
      entry.setHashedEntry(null);
      entry.setPatterns(parsePatterns(GenericUtils.split(hostPattern, ',')));
    }

    AuthorizedKeyEntry key =
        ValidateUtils.checkNotNull(
            AuthorizedKeyEntry.parseAuthorizedKeyEntry(line),
            "No valid key entry recovered from line=%s",
            data);
    entry.setKeyEntry(key);
    return entry;
  }
Пример #19
0
  @Override
  public synchronized SshdSocketAddress localPortForwardingRequested(SshdSocketAddress local)
      throws IOException {
    ValidateUtils.checkNotNull(local, "Local address is null");
    ValidateUtils.checkTrue(local.getPort() >= 0, "Invalid local port: %s", local);

    FactoryManager manager = session.getFactoryManager();
    ForwardingFilter filter = manager.getTcpipForwardingFilter();
    if ((filter == null) || (!filter.canListen(local, session))) {
      if (log.isDebugEnabled()) {
        log.debug(
            "localPortForwardingRequested("
                + session
                + ")["
                + local
                + "][haveFilter="
                + (filter != null)
                + "] rejected");
      }
      throw new IOException("Rejected address: " + local);
    }
    InetSocketAddress bound = doBind(local, staticIoHandlerFactory);
    SshdSocketAddress result = new SshdSocketAddress(bound.getHostString(), bound.getPort());
    if (log.isDebugEnabled()) {
      log.debug("localPortForwardingRequested(" + local + "): " + result);
    }

    boolean added;
    synchronized (localForwards) {
      // NOTE !!! it is crucial to use the bound address host name first
      added =
          localForwards.add(
              new LocalForwardingEntry(
                  result.getHostName(), local.getHostName(), result.getPort()));
    }

    if (!added) {
      throw new IOException(
          "Failed to add local port forwarding entry for " + local + " -> " + result);
    }
    return result;
  }
Пример #20
0
  protected void checkConfig() {
    ValidateUtils.checkNotNullAndNotEmpty(
        getKeyExchangeFactories(), "KeyExchangeFactories not set");

    if (getScheduledExecutorService() == null) {
      setScheduledExecutorService(
          ThreadUtils.newSingleThreadScheduledExecutor(this.toString() + "-timer"), true);
    }

    ValidateUtils.checkNotNullAndNotEmpty(getCipherFactories(), "CipherFactories not set");
    ValidateUtils.checkNotNullAndNotEmpty(
        getCompressionFactories(), "CompressionFactories not set");
    ValidateUtils.checkNotNullAndNotEmpty(getMacFactories(), "MacFactories not set");

    ValidateUtils.checkNotNull(getRandomFactory(), "RandomFactory not set");

    if (getIoServiceFactoryFactory() == null) {
      setIoServiceFactoryFactory(new DefaultIoServiceFactoryFactory());
    }
  }
Пример #21
0
  @Override
  public synchronized SshdSocketAddress startRemotePortForwarding(
      SshdSocketAddress remote, SshdSocketAddress local) throws IOException {
    ValidateUtils.checkNotNull(local, "Local address is null");
    ValidateUtils.checkNotNull(remote, "Remote address is null");

    Buffer buffer = session.createBuffer(SshConstants.SSH_MSG_GLOBAL_REQUEST);
    buffer.putString("tcpip-forward");
    buffer.putBoolean(true);
    buffer.putString(remote.getHostName());
    buffer.putInt(remote.getPort());
    Buffer result = session.request(buffer);
    if (result == null) {
      throw new SshException("Tcpip forwarding request denied by server");
    }
    int port = (remote.getPort() == 0) ? result.getInt() : remote.getPort();
    // TODO: Is it really safe to only store the local address after the request ?
    SshdSocketAddress prev;
    synchronized (remoteToLocal) {
      prev = remoteToLocal.put(port, local);
    }

    if (prev != null) {
      throw new IOException(
          "Multiple remote port forwarding bindings on port="
              + port
              + ": current="
              + remote
              + ", previous="
              + prev);
    }

    SshdSocketAddress bound = new SshdSocketAddress(remote.getHostName(), port);
    if (log.isDebugEnabled()) {
      log.debug("startRemotePortForwarding(" + remote + " -> " + local + "): " + bound);
    }

    return bound;
  }
Пример #22
0
  @Override
  public synchronized SshdSocketAddress startDynamicPortForwarding(SshdSocketAddress local)
      throws IOException {
    ValidateUtils.checkNotNull(local, "Local address is null");
    ValidateUtils.checkTrue(local.getPort() >= 0, "Invalid local port: %s", local);

    if (isClosed()) {
      throw new IllegalStateException("TcpipForwarder is closed");
    }
    if (isClosing()) {
      throw new IllegalStateException("TcpipForwarder is closing");
    }

    SocksProxy socksProxy = new SocksProxy(service);
    SocksProxy prev;
    InetSocketAddress bound = doBind(local, socksProxyIoHandlerFactory);
    int port = bound.getPort();
    synchronized (dynamicLocal) {
      prev = dynamicLocal.put(port, socksProxy);
    }

    if (prev != null) {
      throw new IOException(
          "Multiple dynamic port mappings found for port="
              + port
              + ": current="
              + socksProxy
              + ", previous="
              + prev);
    }

    SshdSocketAddress result = new SshdSocketAddress(bound.getHostString(), port);
    if (log.isDebugEnabled()) {
      log.debug("startDynamicPortForwarding(" + local + "): " + result);
    }

    return result;
  }
Пример #23
0
  public static String createReceiveCommand(String remote, Collection<Option> options) {
    ValidateUtils.checkNotNullAndNotEmpty(remote, "No remote location specified");
    StringBuilder sb =
        new StringBuilder(remote.length() + Long.SIZE).append(ScpHelper.SCP_COMMAND_PREFIX);
    if (options.contains(Option.Recursive)) {
      sb.append(" -r");
    }
    if (options.contains(Option.PreserveAttributes)) {
      sb.append(" -p");
    }

    sb.append(" -f").append(" --").append(' ').append(remote);
    return sb.toString();
  }
Пример #24
0
  @Override
  public synchronized SshdSocketAddress startLocalPortForwarding(
      SshdSocketAddress local, SshdSocketAddress remote) throws IOException {
    ValidateUtils.checkNotNull(local, "Local address is null");
    ValidateUtils.checkTrue(local.getPort() >= 0, "Invalid local port: %s", local);
    ValidateUtils.checkNotNull(remote, "Remote address is null");

    if (isClosed()) {
      throw new IllegalStateException("TcpipForwarder is closed");
    }
    if (isClosing()) {
      throw new IllegalStateException("TcpipForwarder is closing");
    }

    InetSocketAddress bound = doBind(local, staticIoHandlerFactory);
    int port = bound.getPort();
    SshdSocketAddress prev;
    synchronized (localToRemote) {
      prev = localToRemote.put(port, remote);
    }

    if (prev != null) {
      throw new IOException(
          "Multiple local port forwarding bindings on port="
              + port
              + ": current="
              + remote
              + ", previous="
              + prev);
    }

    SshdSocketAddress result = new SshdSocketAddress(bound.getHostString(), port);
    if (log.isDebugEnabled()) {
      log.debug("startLocalPortForwarding(" + local + " -> " + remote + "): " + result);
    }
    return result;
  }
Пример #25
0
  @Override
  public void download(String remote, String local, Collection<Option> options) throws IOException {
    local = ValidateUtils.checkNotNullAndNotEmpty(local, "Invalid argument local: %s", local);

    ClientSession session = getClientSession();
    FactoryManager manager = session.getFactoryManager();
    FileSystemFactory factory = manager.getFileSystemFactory();
    FileSystem fs = factory.createFileSystem(session);
    try {
      download(remote, fs, fs.getPath(local), options);
    } finally {
      try {
        fs.close();
      } catch (UnsupportedOperationException e) {
        // Ignore
      }
    }
  }
Пример #26
0
  @Override
  public void addChannelListener(ChannelListener listener) {
    ValidateUtils.checkNotNull(listener, "addChannelListener(%s) null instance", this);
    // avoid race conditions on notifications while manager is being closed
    if (!isOpen()) {
      log.warn(
          "addChannelListener({})[{}] ignore registration while session is closing",
          this,
          listener);
      return;
    }

    if (this.channelListeners.add(listener)) {
      log.trace("addChannelListener({})[{}] registered", this, listener);
    } else {
      log.trace("addChannelListener({})[{}] ignored duplicate", this, listener);
    }
  }
Пример #27
0
  @Override
  public synchronized void stopLocalPortForwarding(SshdSocketAddress local) throws IOException {
    ValidateUtils.checkNotNull(local, "Local address is null");

    SshdSocketAddress bound;
    synchronized (localToRemote) {
      bound = localToRemote.remove(local.getPort());
    }

    if ((bound != null) && (acceptor != null)) {
      if (log.isDebugEnabled()) {
        log.debug("stopLocalPortForwarding(" + local + ") unbind " + bound);
      }
      acceptor.unbind(bound.toInetSocketAddress());
    } else {
      if (log.isDebugEnabled()) {
        log.debug("stopLocalPortForwarding(" + local + ") no mapping/acceptor for " + bound);
      }
    }
  }
Пример #28
0
 @Override
 public void upload(Path[] local, String remote, Collection<Option> options) throws IOException {
   final Collection<Path> paths =
       Arrays.asList(
           ValidateUtils.checkNotNullAndNotEmpty(
               local, "Invalid argument local: %s", (Object) local));
   runUpload(
       remote,
       options,
       paths,
       new ScpOperationExecutor<Path>() {
         @Override
         public void execute(
             ScpHelper helper, Collection<Path> local, Collection<Option> sendOptions)
             throws IOException {
           helper.sendPaths(
               local,
               sendOptions.contains(Option.Recursive),
               sendOptions.contains(Option.PreserveAttributes),
               ScpHelper.DEFAULT_SEND_BUFFER_SIZE);
         }
       });
 }
Пример #29
0
  @Override
  public PathMatcher getPathMatcher(String syntaxAndPattern) {
    int colonIndex = ValidateUtils.checkNotNull(syntaxAndPattern, "No argument").indexOf(':');
    if ((colonIndex <= 0) || (colonIndex == syntaxAndPattern.length() - 1)) {
      throw new IllegalArgumentException(
          "syntaxAndPattern must have form \"syntax:pattern\" but was \""
              + syntaxAndPattern
              + "\"");
    }

    String syntax = syntaxAndPattern.substring(0, colonIndex);
    String pattern = syntaxAndPattern.substring(colonIndex + 1);
    String expr;
    switch (syntax) {
      case "glob":
        expr = globToRegex(pattern);
        break;
      case "regex":
        expr = pattern;
        break;
      default:
        throw new UnsupportedOperationException(
            "Unsupported path matcher syntax: \'" + syntax + "\'");
    }
    if (log.isTraceEnabled()) {
      log.trace("getPathMatcher({}): {}", syntaxAndPattern, expr);
    }

    final Pattern regex = Pattern.compile(expr);
    return new PathMatcher() {
      @Override
      public boolean matches(Path path) {
        Matcher m = regex.matcher(path.toString());
        return m.matches();
      }
    };
  }
Пример #30
0
  @Override
  public Set<ClientChannelEvent> waitFor(Collection<ClientChannelEvent> mask, long timeout) {
    ValidateUtils.checkNotNull(mask, "No mask specified");
    long t = 0;
    synchronized (lock) {
      for (Set<ClientChannelEvent> cond = EnumSet.noneOf(ClientChannelEvent.class);
          ;
          cond.clear()) {
        if (openFuture != null && openFuture.isOpened()) {
          cond.add(ClientChannelEvent.OPENED);
        }
        if (closeFuture.isClosed()) {
          cond.add(ClientChannelEvent.CLOSED);
          cond.add(ClientChannelEvent.EOF);
        }
        if (isEofSignalled()) {
          cond.add(ClientChannelEvent.EOF);
        }
        if (exitStatusHolder.get() != null) {
          if (log.isDebugEnabled()) {
            log.debug("waitFor({}) mask={} - exit status={}", this, mask, exitStatusHolder);
          }
          cond.add(ClientChannelEvent.EXIT_STATUS);
        }
        if (exitSignalHolder.get() != null) {
          if (log.isDebugEnabled()) {
            log.debug("waitFor({}) mask={} - exit signal={}", this, mask, exitSignalHolder);
          }
          cond.add(ClientChannelEvent.EXIT_SIGNAL);
        }

        boolean nothingInCommon = Collections.disjoint(mask, cond);
        if (!nothingInCommon) {
          if (log.isTraceEnabled()) {
            log.trace("WaitFor call returning on channel {}, mask={}, cond={}", this, mask, cond);
          }
          return cond;
        }

        if (timeout > 0L) {
          if (t == 0L) {
            t = System.currentTimeMillis() + timeout;
          } else {
            timeout = t - System.currentTimeMillis();
            if (timeout <= 0L) {
              if (log.isTraceEnabled()) {
                log.trace("WaitFor call timeout on channel {}, mask={}", this, mask);
              }
              cond.add(ClientChannelEvent.TIMEOUT);
              return cond;
            }
          }
        }

        if (log.isTraceEnabled()) {
          log.trace(
              "Waiting {} millis for lock on channel {}, mask={}, cond={}",
              timeout,
              this,
              mask,
              cond);
        }

        long nanoStart = System.nanoTime();
        try {
          if (timeout > 0L) {
            lock.wait(timeout);
          } else {
            lock.wait();
          }

          long nanoEnd = System.nanoTime();
          long nanoDuration = nanoEnd - nanoStart;
          if (log.isTraceEnabled()) {
            log.trace("Lock notified on channel {} after {} nanos", this, nanoDuration);
          }
        } catch (InterruptedException e) {
          long nanoEnd = System.nanoTime();
          long nanoDuration = nanoEnd - nanoStart;
          if (log.isTraceEnabled()) {
            log.trace(
                "waitFor({}) mask={} - ignoring interrupted exception after {} nanos",
                this,
                mask,
                nanoDuration);
          }
        }
      }
    }
  }