1 files changed, 0 insertions, 162 deletions
diff --git a/frontend-old/node_modules/websocket-extensions/lib/websocket_extensions.js b/frontend-old/node_modules/websocket-extensions/lib/websocket_extensions.js
deleted file mode 100644
index 48adad8..0000000
--- a/frontend-old/node_modules/websocket-extensions/lib/websocket_extensions.js
+++ /dev/null
@@ -1,162 +0,0 @@
-'use strict';
-
-var Parser   = require('./parser'),
-    Pipeline = require('./pipeline');
-
-var Extensions = function() {
-  this._rsv1 = this._rsv2 = this._rsv3 = null;
-
-  this._byName   = {};
-  this._inOrder  = [];
-  this._sessions = [];
-  this._index    = {};
-};
-
-Extensions.MESSAGE_OPCODES = [1, 2];
-
-var instance = {
-  add: function(ext) {
-    if (typeof ext.name !== 'string') throw new TypeError('extension.name must be a string');
-    if (ext.type !== 'permessage') throw new TypeError('extension.type must be "permessage"');
-
-    if (typeof ext.rsv1 !== 'boolean') throw new TypeError('extension.rsv1 must be true or false');
-    if (typeof ext.rsv2 !== 'boolean') throw new TypeError('extension.rsv2 must be true or false');
-    if (typeof ext.rsv3 !== 'boolean') throw new TypeError('extension.rsv3 must be true or false');
-
-    if (this._byName.hasOwnProperty(ext.name))
-      throw new TypeError('An extension with name "' + ext.name + '" is already registered');
-
-    this._byName[ext.name] = ext;
-    this._inOrder.push(ext);
-  },
-
-  generateOffer: function() {
-    var sessions = [],
-        offer    = [],
-        index    = {};
-
-    this._inOrder.forEach(function(ext) {
-      var session = ext.createClientSession();
-      if (!session) return;
-
-      var record = [ext, session];
-      sessions.push(record);
-      index[ext.name] = record;
-
-      var offers = session.generateOffer();
-      offers = offers ? [].concat(offers) : [];
-
-      offers.forEach(function(off) {
-        offer.push(Parser.serializeParams(ext.name, off));
-      }, this);
-    }, this);
-
-    this._sessions = sessions;
-    this._index    = index;
-
-    return offer.length > 0 ? offer.join(', ') : null;
-  },
-
-  activate: function(header) {
-    var responses = Parser.parseHeader(header),
-        sessions  = [];
-
-    responses.eachOffer(function(name, params) {
-      var record = this._index[name];
-
-      if (!record)
-        throw new Error('Server sent an extension response for unknown extension "' + name + '"');
-
-      var ext      = record[0],
-          session  = record[1],
-          reserved = this._reserved(ext);
-
-      if (reserved)
-        throw new Error('Server sent two extension responses that use the RSV' +
-                        reserved[0] + ' bit: "' +
-                        reserved[1] + '" and "' + ext.name + '"');
-
-      if (session.activate(params) !== true)
-        throw new Error('Server sent unacceptable extension parameters: ' +
-                        Parser.serializeParams(name, params));
-
-      this._reserve(ext);
-      sessions.push(record);
-    }, this);
-
-    this._sessions = sessions;
-    this._pipeline = new Pipeline(sessions);
-  },
-
-  generateResponse: function(header) {
-    var sessions = [],
-        response = [],
-        offers   = Parser.parseHeader(header);
-
-    this._inOrder.forEach(function(ext) {
-      var offer = offers.byName(ext.name);
-      if (offer.length === 0 || this._reserved(ext)) return;
-
-      var session = ext.createServerSession(offer);
-      if (!session) return;
-
-      this._reserve(ext);
-      sessions.push([ext, session]);
-      response.push(Parser.serializeParams(ext.name, session.generateResponse()));
-    }, this);
-
-    this._sessions = sessions;
-    this._pipeline = new Pipeline(sessions);
-
-    return response.length > 0 ? response.join(', ') : null;
-  },
-
-  validFrameRsv: function(frame) {
-    var allowed = { rsv1: false, rsv2: false, rsv3: false },
-        ext;
-
-    if (Extensions.MESSAGE_OPCODES.indexOf(frame.opcode) >= 0) {
-      for (var i = 0, n = this._sessions.length; i < n; i++) {
-        ext = this._sessions[i][0];
-        allowed.rsv1 = allowed.rsv1 || ext.rsv1;
-        allowed.rsv2 = allowed.rsv2 || ext.rsv2;
-        allowed.rsv3 = allowed.rsv3 || ext.rsv3;
-      }
-    }
-
-    return (allowed.rsv1 || !frame.rsv1) &&
-           (allowed.rsv2 || !frame.rsv2) &&
-           (allowed.rsv3 || !frame.rsv3);
-  },
-
-  processIncomingMessage: function(message, callback, context) {
-    this._pipeline.processIncomingMessage(message, callback, context);
-  },
-
-  processOutgoingMessage: function(message, callback, context) {
-    this._pipeline.processOutgoingMessage(message, callback, context);
-  },
-
-  close: function(callback, context) {
-    if (!this._pipeline) return callback.call(context);
-    this._pipeline.close(callback, context);
-  },
-
-  _reserve: function(ext) {
-    this._rsv1 = this._rsv1 || (ext.rsv1 && ext.name);
-    this._rsv2 = this._rsv2 || (ext.rsv2 && ext.name);
-    this._rsv3 = this._rsv3 || (ext.rsv3 && ext.name);
-  },
-
-  _reserved: function(ext) {
-    if (this._rsv1 && ext.rsv1) return [1, this._rsv1];
-    if (this._rsv2 && ext.rsv2) return [2, this._rsv2];
-    if (this._rsv3 && ext.rsv3) return [3, this._rsv3];
-    return false;
-  }
-};
-
-for (var key in instance)
-  Extensions.prototype[key] = instance[key];
-
-module.exports = Extensions;