Initial commit

node_modules/socket.io-parser/LICENSE

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+(The MIT License)
+
+Copyright (c) 2014 Guillermo Rauch <guillermo@learnboost.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the 'Software'), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/socket.io-parser/Readme.md

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+
+# socket.io-parser
+
+[![Build Status](https://secure.travis-ci.org/socketio/socket.io-parser.svg?branch=master)](http://travis-ci.org/socketio/socket.io-parser)
+[![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser)
+
+A socket.io encoder and decoder written in JavaScript complying with version `4`
+of [socket.io-protocol](https://github.com/socketio/socket.io-protocol).
+Used by [socket.io](https://github.com/automattic/socket.io) and
+[socket.io-client](https://github.com/automattic/socket.io-client).
+
+## Parser API
+
+  socket.io-parser is the reference implementation of socket.io-protocol. Read
+  the full API here:
+  [socket.io-protocol](https://github.com/learnboost/socket.io-protocol).
+
+## Example Usage
+
+### Encoding and decoding a packet
+
+```js
+var parser = require('socket.io-parser');
+var encoder = new parser.Encoder();
+var packet = {
+  type: parser.EVENT,
+  data: 'test-packet',
+  id: 13
+};
+encoder.encode(packet, function(encodedPackets) {
+  var decoder = new parser.Decoder();
+  decoder.on('decoded', function(decodedPacket) {
+    // decodedPacket.type == parser.EVENT
+    // decodedPacket.data == 'test-packet'
+    // decodedPacket.id == 13
+  });
+
+  for (var i = 0; i < encodedPackets.length; i++) {
+    decoder.add(encodedPackets[i]);
+  }
+});
+```
+
+### Encoding and decoding a packet with binary data
+
+```js
+var parser = require('socket.io-parser');
+var encoder = new parser.Encoder();
+var packet = {
+  type: parser.BINARY_EVENT,
+  data: {i: new Buffer(1234), j: new Blob([new ArrayBuffer(2)])}
+  id: 15
+};
+encoder.encode(packet, function(encodedPackets) {
+  var decoder = new parser.Decoder();
+  decoder.on('decoded', function(decodedPacket) {
+    // decodedPacket.type == parser.BINARY_EVENT
+    // Buffer.isBuffer(decodedPacket.data.i) == true
+    // Buffer.isBuffer(decodedPacket.data.j) == true
+    // decodedPacket.id == 15
+  });
+
+  for (var i = 0; i < encodedPackets.length; i++) {
+    decoder.add(encodedPackets[i]);
+  }
+});
+```
+See the test suite for more examples of how socket.io-parser is used.
+
+
+## License
+
+MIT

node_modules/socket.io-parser/binary.js

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+/*global Blob,File*/
+
+/**
+ * Module requirements
+ */
+
+var isArray = require('isarray');
+var isBuf = require('./is-buffer');
+var toString = Object.prototype.toString;
+var withNativeBlob = typeof Blob === 'function' || (typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]');
+var withNativeFile = typeof File === 'function' || (typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]');
+
+/**
+ * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
+ * Anything with blobs or files should be fed through removeBlobs before coming
+ * here.
+ *
+ * @param {Object} packet - socket.io event packet
+ * @return {Object} with deconstructed packet and list of buffers
+ * @api public
+ */
+
+exports.deconstructPacket = function(packet) {
+  var buffers = [];
+  var packetData = packet.data;
+  var pack = packet;
+  pack.data = _deconstructPacket(packetData, buffers);
+  pack.attachments = buffers.length; // number of binary 'attachments'
+  return {packet: pack, buffers: buffers};
+};
+
+function _deconstructPacket(data, buffers) {
+  if (!data) return data;
+
+  if (isBuf(data)) {
+    var placeholder = { _placeholder: true, num: buffers.length };
+    buffers.push(data);
+    return placeholder;
+  } else if (isArray(data)) {
+    var newData = new Array(data.length);
+    for (var i = 0; i < data.length; i++) {
+      newData[i] = _deconstructPacket(data[i], buffers);
+    }
+    return newData;
+  } else if (typeof data === 'object' && !(data instanceof Date)) {
+    var newData = {};
+    for (var key in data) {
+      newData[key] = _deconstructPacket(data[key], buffers);
+    }
+    return newData;
+  }
+  return data;
+}
+
+/**
+ * Reconstructs a binary packet from its placeholder packet and buffers
+ *
+ * @param {Object} packet - event packet with placeholders
+ * @param {Array} buffers - binary buffers to put in placeholder positions
+ * @return {Object} reconstructed packet
+ * @api public
+ */
+
+exports.reconstructPacket = function(packet, buffers) {
+  packet.data = _reconstructPacket(packet.data, buffers);
+  packet.attachments = undefined; // no longer useful
+  return packet;
+};
+
+function _reconstructPacket(data, buffers) {
+  if (!data) return data;
+
+  if (data && data._placeholder) {
+    return buffers[data.num]; // appropriate buffer (should be natural order anyway)
+  } else if (isArray(data)) {
+    for (var i = 0; i < data.length; i++) {
+      data[i] = _reconstructPacket(data[i], buffers);
+    }
+  } else if (typeof data === 'object') {
+    for (var key in data) {
+      data[key] = _reconstructPacket(data[key], buffers);
+    }
+  }
+
+  return data;
+}
+
+/**
+ * Asynchronously removes Blobs or Files from data via
+ * FileReader's readAsArrayBuffer method. Used before encoding
+ * data as msgpack. Calls callback with the blobless data.
+ *
+ * @param {Object} data
+ * @param {Function} callback
+ * @api private
+ */
+
+exports.removeBlobs = function(data, callback) {
+  function _removeBlobs(obj, curKey, containingObject) {
+    if (!obj) return obj;
+
+    // convert any blob
+    if ((withNativeBlob && obj instanceof Blob) ||
+        (withNativeFile && obj instanceof File)) {
+      pendingBlobs++;
+
+      // async filereader
+      var fileReader = new FileReader();
+      fileReader.onload = function() { // this.result == arraybuffer
+        if (containingObject) {
+          containingObject[curKey] = this.result;
+        }
+        else {
+          bloblessData = this.result;
+        }
+
+        // if nothing pending its callback time
+        if(! --pendingBlobs) {
+          callback(bloblessData);
+        }
+      };
+
+      fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
+    } else if (isArray(obj)) { // handle array
+      for (var i = 0; i < obj.length; i++) {
+        _removeBlobs(obj[i], i, obj);
+      }
+    } else if (typeof obj === 'object' && !isBuf(obj)) { // and object
+      for (var key in obj) {
+        _removeBlobs(obj[key], key, obj);
+      }
+    }
+  }
+
+  var pendingBlobs = 0;
+  var bloblessData = data;
+  _removeBlobs(bloblessData);
+  if (!pendingBlobs) {
+    callback(bloblessData);
+  }
+};

node_modules/socket.io-parser/index.js

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+
+/**
+ * Module dependencies.
+ */
+
+var debug = require('debug')('socket.io-parser');
+var Emitter = require('component-emitter');
+var binary = require('./binary');
+var isArray = require('isarray');
+var isBuf = require('./is-buffer');
+
+/**
+ * Protocol version.
+ *
+ * @api public
+ */
+
+exports.protocol = 4;
+
+/**
+ * Packet types.
+ *
+ * @api public
+ */
+
+exports.types = [
+  'CONNECT',
+  'DISCONNECT',
+  'EVENT',
+  'ACK',
+  'ERROR',
+  'BINARY_EVENT',
+  'BINARY_ACK'
+];
+
+/**
+ * Packet type `connect`.
+ *
+ * @api public
+ */
+
+exports.CONNECT = 0;
+
+/**
+ * Packet type `disconnect`.
+ *
+ * @api public
+ */
+
+exports.DISCONNECT = 1;
+
+/**
+ * Packet type `event`.
+ *
+ * @api public
+ */
+
+exports.EVENT = 2;
+
+/**
+ * Packet type `ack`.
+ *
+ * @api public
+ */
+
+exports.ACK = 3;
+
+/**
+ * Packet type `error`.
+ *
+ * @api public
+ */
+
+exports.ERROR = 4;
+
+/**
+ * Packet type 'binary event'
+ *
+ * @api public
+ */
+
+exports.BINARY_EVENT = 5;
+
+/**
+ * Packet type `binary ack`. For acks with binary arguments.
+ *
+ * @api public
+ */
+
+exports.BINARY_ACK = 6;
+
+/**
+ * Encoder constructor.
+ *
+ * @api public
+ */
+
+exports.Encoder = Encoder;
+
+/**
+ * Decoder constructor.
+ *
+ * @api public
+ */
+
+exports.Decoder = Decoder;
+
+/**
+ * A socket.io Encoder instance
+ *
+ * @api public
+ */
+
+function Encoder() {}
+
+var ERROR_PACKET = exports.ERROR + '"encode error"';
+
+/**
+ * Encode a packet as a single string if non-binary, or as a
+ * buffer sequence, depending on packet type.
+ *
+ * @param {Object} obj - packet object
+ * @param {Function} callback - function to handle encodings (likely engine.write)
+ * @return Calls callback with Array of encodings
+ * @api public
+ */
+
+Encoder.prototype.encode = function(obj, callback){
+  debug('encoding packet %j', obj);
+
+  if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {
+    encodeAsBinary(obj, callback);
+  } else {
+    var encoding = encodeAsString(obj);
+    callback([encoding]);
+  }
+};
+
+/**
+ * Encode packet as string.
+ *
+ * @param {Object} packet
+ * @return {String} encoded
+ * @api private
+ */
+
+function encodeAsString(obj) {
+
+  // first is type
+  var str = '' + obj.type;
+
+  // attachments if we have them
+  if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {
+    str += obj.attachments + '-';
+  }
+
+  // if we have a namespace other than `/`
+  // we append it followed by a comma `,`
+  if (obj.nsp && '/' !== obj.nsp) {
+    str += obj.nsp + ',';
+  }
+
+  // immediately followed by the id
+  if (null != obj.id) {
+    str += obj.id;
+  }
+
+  // json data
+  if (null != obj.data) {
+    var payload = tryStringify(obj.data);
+    if (payload !== false) {
+      str += payload;
+    } else {
+      return ERROR_PACKET;
+    }
+  }
+
+  debug('encoded %j as %s', obj, str);
+  return str;
+}
+
+function tryStringify(str) {
+  try {
+    return JSON.stringify(str);
+  } catch(e){
+    return false;
+  }
+}
+
+/**
+ * Encode packet as 'buffer sequence' by removing blobs, and
+ * deconstructing packet into object with placeholders and
+ * a list of buffers.
+ *
+ * @param {Object} packet
+ * @return {Buffer} encoded
+ * @api private
+ */
+
+function encodeAsBinary(obj, callback) {
+
+  function writeEncoding(bloblessData) {
+    var deconstruction = binary.deconstructPacket(bloblessData);
+    var pack = encodeAsString(deconstruction.packet);
+    var buffers = deconstruction.buffers;
+
+    buffers.unshift(pack); // add packet info to beginning of data list
+    callback(buffers); // write all the buffers
+  }
+
+  binary.removeBlobs(obj, writeEncoding);
+}
+
+/**
+ * A socket.io Decoder instance
+ *
+ * @return {Object} decoder
+ * @api public
+ */
+
+function Decoder() {
+  this.reconstructor = null;
+}
+
+/**
+ * Mix in `Emitter` with Decoder.
+ */
+
+Emitter(Decoder.prototype);
+
+/**
+ * Decodes an encoded packet string into packet JSON.
+ *
+ * @param {String} obj - encoded packet
+ * @return {Object} packet
+ * @api public
+ */
+
+Decoder.prototype.add = function(obj) {
+  var packet;
+  if (typeof obj === 'string') {
+    packet = decodeString(obj);
+    if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json
+      this.reconstructor = new BinaryReconstructor(packet);
+
+      // no attachments, labeled binary but no binary data to follow
+      if (this.reconstructor.reconPack.attachments === 0) {
+        this.emit('decoded', packet);
+      }
+    } else { // non-binary full packet
+      this.emit('decoded', packet);
+    }
+  } else if (isBuf(obj) || obj.base64) { // raw binary data
+    if (!this.reconstructor) {
+      throw new Error('got binary data when not reconstructing a packet');
+    } else {
+      packet = this.reconstructor.takeBinaryData(obj);
+      if (packet) { // received final buffer
+        this.reconstructor = null;
+        this.emit('decoded', packet);
+      }
+    }
+  } else {
+    throw new Error('Unknown type: ' + obj);
+  }
+};
+
+/**
+ * Decode a packet String (JSON data)
+ *
+ * @param {String} str
+ * @return {Object} packet
+ * @api private
+ */
+
+function decodeString(str) {
+  var i = 0;
+  // look up type
+  var p = {
+    type: Number(str.charAt(0))
+  };
+
+  if (null == exports.types[p.type]) {
+    return error('unknown packet type ' + p.type);
+  }
+
+  // look up attachments if type binary
+  if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {
+    var buf = '';
+    while (str.charAt(++i) !== '-') {
+      buf += str.charAt(i);
+      if (i == str.length) break;
+    }
+    if (buf != Number(buf) || str.charAt(i) !== '-') {
+      throw new Error('Illegal attachments');
+    }
+    p.attachments = Number(buf);
+  }
+
+  // look up namespace (if any)
+  if ('/' === str.charAt(i + 1)) {
+    p.nsp = '';
+    while (++i) {
+      var c = str.charAt(i);
+      if (',' === c) break;
+      p.nsp += c;
+      if (i === str.length) break;
+    }
+  } else {
+    p.nsp = '/';
+  }
+
+  // look up id
+  var next = str.charAt(i + 1);
+  if ('' !== next && Number(next) == next) {
+    p.id = '';
+    while (++i) {
+      var c = str.charAt(i);
+      if (null == c || Number(c) != c) {
+        --i;
+        break;
+      }
+      p.id += str.charAt(i);
+      if (i === str.length) break;
+    }
+    p.id = Number(p.id);
+  }
+
+  // look up json data
+  if (str.charAt(++i)) {
+    var payload = tryParse(str.substr(i));
+    var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload));
+    if (isPayloadValid) {
+      p.data = payload;
+    } else {
+      return error('invalid payload');
+    }
+  }
+
+  debug('decoded %s as %j', str, p);
+  return p;
+}
+
+function tryParse(str) {
+  try {
+    return JSON.parse(str);
+  } catch(e){
+    return false;
+  }
+}
+
+/**
+ * Deallocates a parser's resources
+ *
+ * @api public
+ */
+
+Decoder.prototype.destroy = function() {
+  if (this.reconstructor) {
+    this.reconstructor.finishedReconstruction();
+  }
+};
+
+/**
+ * A manager of a binary event's 'buffer sequence'. Should
+ * be constructed whenever a packet of type BINARY_EVENT is
+ * decoded.
+ *
+ * @param {Object} packet
+ * @return {BinaryReconstructor} initialized reconstructor
+ * @api private
+ */
+
+function BinaryReconstructor(packet) {
+  this.reconPack = packet;
+  this.buffers = [];
+}
+
+/**
+ * Method to be called when binary data received from connection
+ * after a BINARY_EVENT packet.
+ *
+ * @param {Buffer | ArrayBuffer} binData - the raw binary data received
+ * @return {null | Object} returns null if more binary data is expected or
+ *   a reconstructed packet object if all buffers have been received.
+ * @api private
+ */
+
+BinaryReconstructor.prototype.takeBinaryData = function(binData) {
+  this.buffers.push(binData);
+  if (this.buffers.length === this.reconPack.attachments) { // done with buffer list
+    var packet = binary.reconstructPacket(this.reconPack, this.buffers);
+    this.finishedReconstruction();
+    return packet;
+  }
+  return null;
+};
+
+/**
+ * Cleans up binary packet reconstruction variables.
+ *
+ * @api private
+ */
+
+BinaryReconstructor.prototype.finishedReconstruction = function() {
+  this.reconPack = null;
+  this.buffers = [];
+};
+
+function error(msg) {
+  return {
+    type: exports.ERROR,
+    data: 'parser error: ' + msg
+  };
+}

node_modules/socket.io-parser/is-buffer.js

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+
+module.exports = isBuf;
+
+var withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';
+var withNativeArrayBuffer = typeof ArrayBuffer === 'function';
+
+var isView = function (obj) {
+  return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);
+};
+
+/**
+ * Returns true if obj is a buffer or an arraybuffer.
+ *
+ * @api private
+ */
+
+function isBuf(obj) {
+  return (withNativeBuffer && Buffer.isBuffer(obj)) ||
+          (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));
+}

node_modules/socket.io-parser/package.json

@@ -0,0 +1,60 @@
+{
+  "_from": "socket.io-parser@~3.4.0",
+  "_id": "socket.io-parser@3.4.0",
+  "_inBundle": false,
+  "_integrity": "sha512-/G/VOI+3DBp0+DJKW4KesGnQkQPFmUCbA/oO2QGT6CWxU7hLGWqU3tyuzeSK/dqcyeHsQg1vTe9jiZI8GU9SCQ==",
+  "_location": "/socket.io-parser",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "socket.io-parser@~3.4.0",
+    "name": "socket.io-parser",
+    "escapedName": "socket.io-parser",
+    "rawSpec": "~3.4.0",
+    "saveSpec": null,
+    "fetchSpec": "~3.4.0"
+  },
+  "_requiredBy": [
+    "/socket.io"
+  ],
+  "_resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.0.tgz",
+  "_shasum": "370bb4a151df2f77ce3345ff55a7072cc6e9565a",
+  "_spec": "socket.io-parser@~3.4.0",
+  "_where": "/home/runner/Socketio-Chat-Template/node_modules/socket.io",
+  "bugs": {
+    "url": "https://github.com/Automattic/socket.io-parser/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "component-emitter": "1.2.1",
+    "debug": "~4.1.0",
+    "isarray": "2.0.1"
+  },
+  "deprecated": false,
+  "description": "socket.io protocol parser",
+  "devDependencies": {
+    "benchmark": "2.1.2",
+    "expect.js": "0.3.1",
+    "mocha": "3.2.0",
+    "socket.io-browsers": "^1.0.0",
+    "zuul": "3.11.1",
+    "zuul-ngrok": "4.0.0"
+  },
+  "files": [
+    "binary.js",
+    "index.js",
+    "is-buffer.js"
+  ],
+  "homepage": "https://github.com/Automattic/socket.io-parser#readme",
+  "license": "MIT",
+  "name": "socket.io-parser",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Automattic/socket.io-parser.git"
+  },
+  "scripts": {
+    "test": "make test"
+  },
+  "version": "3.4.0"
+}