1 | ;
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2 |
|
3 | var _getIterator2 = require('babel-runtime/core-js/get-iterator');
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4 |
|
5 | var _getIterator3 = _interopRequireDefault(_getIterator2);
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6 |
|
7 | var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
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8 |
|
9 | var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
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10 |
|
11 | var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
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12 |
|
13 | var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
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14 |
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15 | var _inherits2 = require('babel-runtime/helpers/inherits');
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16 |
|
17 | var _inherits3 = _interopRequireDefault(_inherits2);
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18 |
|
19 | var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
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20 |
|
21 | var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
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22 |
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23 | var _createClass2 = require('babel-runtime/helpers/createClass');
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24 |
|
25 | var _createClass3 = _interopRequireDefault(_createClass2);
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26 |
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27 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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28 |
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29 | var ChatServiceError = require('./ChatServiceError');
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30 | var FastMap = require('collections/fast-map');
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31 | var FastSet = require('collections/fast-set');
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32 | var List = require('collections/list');
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33 | var Promise = require('bluebird');
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34 | var Room = require('./Room');
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35 | var User = require('./User');
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36 | var _ = require('lodash');
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37 | var promiseRetry = require('promise-retry');
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38 | var uid = require('uid-safe');
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39 |
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40 | var _require = require('es6-mixin');
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41 |
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42 | var mixin = _require.mixin;
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43 |
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44 |
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45 | function _initState(state, values) {
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46 | state.clear();
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47 | if (!values) {
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48 | return Promise.resolve();
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49 | } else {
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50 | return state.addEach(values);
|
51 | }
|
52 | }
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53 |
|
54 | // Memory lock operations.
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55 | // @mixin
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56 |
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57 | var LockOperations = function () {
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58 | function LockOperations(locks) {
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59 | (0, _classCallCheck3.default)(this, LockOperations);
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60 |
|
61 | this.locks = locks;
|
62 | }
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63 |
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64 | (0, _createClass3.default)(LockOperations, [{
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65 | key: 'lock',
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66 | value: function lock(key, val, ttl) {
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67 | var _this = this;
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68 |
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69 | return promiseRetry({ minTimeout: 100, retries: 10, factor: 1.5, randomize: true }, function (retry, n) {
|
70 | if (_this.locks.has(key)) {
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71 | var err = new ChatServiceError('timeout');
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72 | return retry(err);
|
73 | } else {
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74 | _this.locks.set(key, val);
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75 | return Promise.resolve();
|
76 | }
|
77 | });
|
78 | }
|
79 | }, {
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80 | key: 'unlock',
|
81 | value: function unlock(key, val) {
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82 | var currentVal = this.locks.get(key);
|
83 | if (currentVal === val) {
|
84 | this.locks.delete(key);
|
85 | }
|
86 | return Promise.resolve();
|
87 | }
|
88 | }]);
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89 | return LockOperations;
|
90 | }();
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91 |
|
92 | // Implements state API lists management.
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93 |
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94 |
|
95 | var ListsStateMemory = function () {
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96 | function ListsStateMemory() {
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97 | (0, _classCallCheck3.default)(this, ListsStateMemory);
|
98 | }
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99 |
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100 | (0, _createClass3.default)(ListsStateMemory, [{
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101 | key: 'checkList',
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102 | value: function checkList(listName, num, limit) {
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103 | if (!this.hasList(listName)) {
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104 | var error = new ChatServiceError('noList', listName);
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105 | return Promise.reject(error);
|
106 | }
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107 | if (listName === 'userlist') {
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108 | return Promise.resolve();
|
109 | }
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110 | if (this[listName].length + num > limit) {
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111 | var _error = new ChatServiceError('listLimitExceeded', listName);
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112 | return Promise.reject(_error);
|
113 | } else {
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114 | return Promise.resolve();
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115 | }
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116 | }
|
117 | }, {
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118 | key: 'addToList',
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119 | value: function addToList(listName, elems, limit) {
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120 | var _this2 = this;
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121 |
|
122 | var num = elems.length;
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123 | return this.checkList(listName, num, limit).then(function () {
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124 | _this2[listName].addEach(elems);
|
125 | return Promise.resolve();
|
126 | });
|
127 | }
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128 | }, {
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129 | key: 'removeFromList',
|
130 | value: function removeFromList(listName, elems) {
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131 | var _this3 = this;
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132 |
|
133 | return this.checkList(listName).then(function () {
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134 | _this3[listName].deleteEach(elems);
|
135 | return Promise.resolve();
|
136 | });
|
137 | }
|
138 | }, {
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139 | key: 'getList',
|
140 | value: function getList(listName) {
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141 | var _this4 = this;
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142 |
|
143 | return this.checkList(listName).then(function () {
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144 | var data = _this4[listName].toArray();
|
145 | return Promise.resolve(data);
|
146 | });
|
147 | }
|
148 | }, {
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149 | key: 'hasInList',
|
150 | value: function hasInList(listName, elem) {
|
151 | var _this5 = this;
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152 |
|
153 | return this.checkList(listName).then(function () {
|
154 | var data = _this5[listName].has(elem);
|
155 | data = Boolean(data);
|
156 | return Promise.resolve(data);
|
157 | });
|
158 | }
|
159 | }, {
|
160 | key: 'whitelistOnlySet',
|
161 | value: function whitelistOnlySet(mode) {
|
162 | this.whitelistOnly = Boolean(mode);
|
163 | return Promise.resolve();
|
164 | }
|
165 | }, {
|
166 | key: 'whitelistOnlyGet',
|
167 | value: function whitelistOnlyGet() {
|
168 | return Promise.resolve(this.whitelistOnly);
|
169 | }
|
170 | }]);
|
171 | return ListsStateMemory;
|
172 | }();
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173 |
|
174 | // Implements room state API.
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175 |
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176 |
|
177 | var RoomStateMemory = function (_ListsStateMemory) {
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178 | (0, _inherits3.default)(RoomStateMemory, _ListsStateMemory);
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179 |
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180 | function RoomStateMemory(server, name) {
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181 | (0, _classCallCheck3.default)(this, RoomStateMemory);
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182 |
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183 | var _this6 = (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(RoomStateMemory).call(this));
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184 |
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185 | _this6.server = server;
|
186 | _this6.name = name;
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187 | _this6.historyMaxGetMessages = _this6.server.historyMaxGetMessages;
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188 | _this6.historyMaxSize = _this6.server.historyMaxSize;
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189 | _this6.whitelist = new FastSet();
|
190 | _this6.blacklist = new FastSet();
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191 | _this6.adminlist = new FastSet();
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192 | _this6.userlist = new FastSet();
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193 | _this6.messagesHistory = new List();
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194 | _this6.messagesTimestamps = new List();
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195 | _this6.messagesIds = new List();
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196 | _this6.usersseen = new FastMap();
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197 | _this6.lastMessageId = 0;
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198 | _this6.whitelistOnly = false;
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199 | _this6.owner = null;
|
200 | return _this6;
|
201 | }
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202 |
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203 | (0, _createClass3.default)(RoomStateMemory, [{
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204 | key: 'initState',
|
205 | value: function initState(state) {
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206 | state = state || {};
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207 | var _state = state;
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208 | var whitelist = _state.whitelist;
|
209 | var blacklist = _state.blacklist;
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210 | var adminlist = _state.adminlist;
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211 | var whitelistOnly = _state.whitelistOnly;
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212 | var owner = _state.owner;
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213 | var historyMaxSize = _state.historyMaxSize;
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214 | var _state$enableAccessLi = _state.enableAccessListsUpdates;
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215 | var enableAccessListsUpdates = _state$enableAccessLi === undefined ? this.server.enableAccessListsUpdates : _state$enableAccessLi;
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216 | var _state$enableUserlist = _state.enableUserlistUpdates;
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217 | var enableUserlistUpdates = _state$enableUserlist === undefined ? this.server.enableUserlistUpdates : _state$enableUserlist;
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218 |
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219 | _initState(this.whitelist, whitelist);
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220 | _initState(this.blacklist, blacklist);
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221 | _initState(this.adminlist, adminlist);
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222 | _initState(this.messagesHistory);
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223 | _initState(this.messagesTimestamps);
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224 | _initState(this.messagesIds);
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225 | _initState(this.usersseen);
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226 | this.whitelistOnly = Boolean(whitelistOnly);
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227 | this.enableAccessListsUpdates = Boolean(enableAccessListsUpdates);
|
228 | this.enableUserlistUpdates = Boolean(enableUserlistUpdates);
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229 | this.owner = owner || null;
|
230 | return this.historyMaxSizeSet(historyMaxSize);
|
231 | }
|
232 | }, {
|
233 | key: 'removeState',
|
234 | value: function removeState() {
|
235 | return Promise.resolve();
|
236 | }
|
237 | }, {
|
238 | key: 'startRemoving',
|
239 | value: function startRemoving() {
|
240 | return Promise.resolve();
|
241 | }
|
242 | }, {
|
243 | key: 'hasList',
|
244 | value: function hasList(listName) {
|
245 | return listName === 'adminlist' || listName === 'whitelist' || listName === 'blacklist' || listName === 'userlist';
|
246 | }
|
247 | }, {
|
248 | key: 'ownerGet',
|
249 | value: function ownerGet() {
|
250 | return Promise.resolve(this.owner);
|
251 | }
|
252 | }, {
|
253 | key: 'ownerSet',
|
254 | value: function ownerSet(owner) {
|
255 | this.owner = owner;
|
256 | return Promise.resolve();
|
257 | }
|
258 | }, {
|
259 | key: 'accessListsUpdatesSet',
|
260 | value: function accessListsUpdatesSet(enableAccessListsUpdates) {
|
261 | this.enableAccessListsUpdates = Boolean(enableAccessListsUpdates);
|
262 | return Promise.resolve();
|
263 | }
|
264 | }, {
|
265 | key: 'accessListsUpdatesGet',
|
266 | value: function accessListsUpdatesGet() {
|
267 | return Promise.resolve(this.enableAccessListsUpdates);
|
268 | }
|
269 | }, {
|
270 | key: 'userlistUpdatesSet',
|
271 | value: function userlistUpdatesSet(enableUserlistUpdates) {
|
272 | this.enableUserlistUpdates = Boolean(enableUserlistUpdates);
|
273 | return Promise.resolve();
|
274 | }
|
275 | }, {
|
276 | key: 'userlistUpdatesGet',
|
277 | value: function userlistUpdatesGet() {
|
278 | return Promise.resolve(this.enableUserlistUpdates);
|
279 | }
|
280 | }, {
|
281 | key: 'historyMaxSizeSet',
|
282 | value: function historyMaxSizeSet(historyMaxSize) {
|
283 | if (_.isNumber(historyMaxSize) && historyMaxSize >= 0) {
|
284 | this.historyMaxSize = historyMaxSize;
|
285 | }
|
286 | var limit = this.historyMaxSize;
|
287 | this.messagesHistory = new List(this.messagesHistory.slice(0, limit));
|
288 | this.messagesTimestamps = new List(this.messagesTimestamps.slice(0, limit));
|
289 | this.messagesIds = new List(this.messagesIds.slice(0, limit));
|
290 | return Promise.resolve();
|
291 | }
|
292 | }, {
|
293 | key: 'historyInfo',
|
294 | value: function historyInfo() {
|
295 | var historySize = this.messagesHistory.length;
|
296 | var info = {
|
297 | historySize: historySize,
|
298 | historyMaxSize: this.historyMaxSize,
|
299 | historyMaxGetMessages: this.historyMaxGetMessages,
|
300 | lastMessageId: this.lastMessageId
|
301 | };
|
302 | return Promise.resolve(info);
|
303 | }
|
304 | }, {
|
305 | key: 'getCommonUsers',
|
306 | value: function getCommonUsers() {
|
307 | var nonWL = this.userlist.difference(this.whitelist);
|
308 | var nonAdmin = nonWL.difference(this.adminlist);
|
309 | var data = nonAdmin.toArray();
|
310 | return Promise.resolve(data);
|
311 | }
|
312 | }, {
|
313 | key: 'messageAdd',
|
314 | value: function messageAdd(msg) {
|
315 | var _this7 = this;
|
316 |
|
317 | var timestamp = _.now();
|
318 | this.lastMessageId++;
|
319 | var makeResult = function makeResult() {
|
320 | msg.timestamp = timestamp;
|
321 | msg.id = _this7.lastMessageId;
|
322 | return Promise.resolve(msg);
|
323 | };
|
324 | if (this.historyMaxSize <= 0) {
|
325 | return makeResult();
|
326 | }
|
327 | this.messagesHistory.unshift(msg);
|
328 | this.messagesTimestamps.unshift(timestamp);
|
329 | this.messagesIds.unshift(this.lastMessageId);
|
330 | if (this.messagesHistory.length > this.historyMaxSize) {
|
331 | this.messagesHistory.pop();
|
332 | this.messagesTimestamps.pop();
|
333 | this.messagesIds.pop();
|
334 | }
|
335 | return makeResult();
|
336 | }
|
337 | }, {
|
338 | key: 'messagesGetRecent',
|
339 | value: function messagesGetRecent() {
|
340 | var msgs = this.messagesHistory.slice(0, this.historyMaxGetMessages);
|
341 | var tss = this.messagesTimestamps.slice(0, this.historyMaxGetMessages);
|
342 | var ids = this.messagesIds.slice(0, this.historyMaxGetMessages);
|
343 | var data = [];
|
344 | for (var idx = 0; idx < msgs.length; idx++) {
|
345 | var msg = msgs[idx];
|
346 | var obj = _.cloneDeep(msg);
|
347 | obj.timestamp = tss[idx];
|
348 | obj.id = ids[idx];
|
349 | data[idx] = obj;
|
350 | }
|
351 | return Promise.resolve(data);
|
352 | }
|
353 | }, {
|
354 | key: 'messagesGet',
|
355 | value: function messagesGet(id) {
|
356 | var maxMessages = arguments.length <= 1 || arguments[1] === undefined ? this.historyMaxGetMessages : arguments[1];
|
357 |
|
358 | if (maxMessages <= 0) {
|
359 | return Promise.resolve([]);
|
360 | }
|
361 | id = _.max([0, id]);
|
362 | var lastid = this.lastMessageId;
|
363 | id = _.min([id, lastid]);
|
364 | var end = lastid - id;
|
365 | var len = _.min([maxMessages, end]);
|
366 | var start = _.max([0, end - len]);
|
367 | var msgs = this.messagesHistory.slice(start, end);
|
368 | var tss = this.messagesTimestamps.slice(start, end);
|
369 | var ids = this.messagesIds.slice(start, end);
|
370 | var data = [];
|
371 | for (var idx = 0; idx < msgs.length; idx++) {
|
372 | var msg = msgs[idx];
|
373 | var obj = _.cloneDeep(msg);
|
374 | msg.timestamp = tss[idx];
|
375 | msg.id = ids[idx];
|
376 | data[idx] = obj;
|
377 | }
|
378 | return Promise.resolve(msgs);
|
379 | }
|
380 | }, {
|
381 | key: 'userSeenGet',
|
382 | value: function userSeenGet(userName) {
|
383 | var joined = Boolean(this.userlist.get(userName));
|
384 | var timestamp = this.usersseen.get(userName) || null;
|
385 | return Promise.resolve({ joined: joined, timestamp: timestamp });
|
386 | }
|
387 | }, {
|
388 | key: 'userSeenUpdate',
|
389 | value: function userSeenUpdate(userName) {
|
390 | var timestamp = _.now();
|
391 | this.usersseen.set(userName, timestamp);
|
392 | return Promise.resolve();
|
393 | }
|
394 | }]);
|
395 | return RoomStateMemory;
|
396 | }(ListsStateMemory);
|
397 |
|
398 | // Implements direct messaging state API.
|
399 |
|
400 |
|
401 | var DirectMessagingStateMemory = function (_ListsStateMemory2) {
|
402 | (0, _inherits3.default)(DirectMessagingStateMemory, _ListsStateMemory2);
|
403 |
|
404 | function DirectMessagingStateMemory(server, userName) {
|
405 | (0, _classCallCheck3.default)(this, DirectMessagingStateMemory);
|
406 |
|
407 | var _this8 = (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(DirectMessagingStateMemory).call(this));
|
408 |
|
409 | _this8.server = server;
|
410 | _this8.userName = userName;
|
411 | _this8.whitelistOnly = false;
|
412 | _this8.whitelist = new FastSet();
|
413 | _this8.blacklist = new FastSet();
|
414 | return _this8;
|
415 | }
|
416 |
|
417 | (0, _createClass3.default)(DirectMessagingStateMemory, [{
|
418 | key: 'initState',
|
419 | value: function initState(_ref) {
|
420 | var whitelist = _ref.whitelist;
|
421 | var blacklist = _ref.blacklist;
|
422 | var whitelistOnly = _ref.whitelistOnly;
|
423 |
|
424 | _initState(this.whitelist, whitelist);
|
425 | _initState(this.blacklist, blacklist);
|
426 | this.whitelistOnly = Boolean(whitelistOnly);
|
427 | return Promise.resolve();
|
428 | }
|
429 | }, {
|
430 | key: 'removeState',
|
431 | value: function removeState() {
|
432 | return Promise.resolve();
|
433 | }
|
434 | }, {
|
435 | key: 'hasList',
|
436 | value: function hasList(listName) {
|
437 | return listName === 'whitelist' || listName === 'blacklist';
|
438 | }
|
439 | }]);
|
440 | return DirectMessagingStateMemory;
|
441 | }(ListsStateMemory);
|
442 |
|
443 | // Implements user state API.
|
444 |
|
445 |
|
446 | var UserStateMemory = function () {
|
447 | function UserStateMemory(server, userName) {
|
448 | (0, _classCallCheck3.default)(this, UserStateMemory);
|
449 |
|
450 | this.server = server;
|
451 | this.userName = userName;
|
452 | this.socketsToRooms = new FastMap();
|
453 | this.socketsToInstances = new FastMap();
|
454 | this.roomsToSockets = new FastMap();
|
455 | this.locks = new FastMap();
|
456 | mixin(this, LockOperations, this.locks);
|
457 | }
|
458 |
|
459 | (0, _createClass3.default)(UserStateMemory, [{
|
460 | key: 'addSocket',
|
461 | value: function addSocket(id, uid) {
|
462 | var roomsset = new FastSet();
|
463 | this.socketsToRooms.set(id, roomsset);
|
464 | this.socketsToInstances.set(id, uid);
|
465 | var nconnected = this.socketsToRooms.length;
|
466 | return Promise.resolve(nconnected);
|
467 | }
|
468 | }, {
|
469 | key: 'getAllSockets',
|
470 | value: function getAllSockets() {
|
471 | var sockets = this.socketsToRooms.keysArray();
|
472 | return Promise.resolve(sockets);
|
473 | }
|
474 | }, {
|
475 | key: 'getSocketsToInstance',
|
476 | value: function getSocketsToInstance() {
|
477 | var data = this.socketsToInstances.toObject();
|
478 | return Promise.resolve(data);
|
479 | }
|
480 | }, {
|
481 | key: 'getRoomToSockets',
|
482 | value: function getRoomToSockets(roomName) {
|
483 | var socketsset = this.roomsToSockets.get(roomName);
|
484 | var data = socketsset && socketsset.toObject() || {};
|
485 | return Promise.resolve(data);
|
486 | }
|
487 | }, {
|
488 | key: 'getSocketsToRooms',
|
489 | value: function getSocketsToRooms() {
|
490 | var result = {};
|
491 | var sockets = this.socketsToRooms.keysArray();
|
492 | var _iteratorNormalCompletion = true;
|
493 | var _didIteratorError = false;
|
494 | var _iteratorError = undefined;
|
495 |
|
496 | try {
|
497 | for (var _iterator = (0, _getIterator3.default)(sockets), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
|
498 | var id = _step.value;
|
499 |
|
500 | var socketsset = this.socketsToRooms.get(id);
|
501 | result[id] = socketsset && socketsset.toArray() || [];
|
502 | }
|
503 | } catch (err) {
|
504 | _didIteratorError = true;
|
505 | _iteratorError = err;
|
506 | } finally {
|
507 | try {
|
508 | if (!_iteratorNormalCompletion && _iterator.return) {
|
509 | _iterator.return();
|
510 | }
|
511 | } finally {
|
512 | if (_didIteratorError) {
|
513 | throw _iteratorError;
|
514 | }
|
515 | }
|
516 | }
|
517 |
|
518 | return Promise.resolve(result);
|
519 | }
|
520 | }, {
|
521 | key: 'addSocketToRoom',
|
522 | value: function addSocketToRoom(id, roomName) {
|
523 | var roomsset = this.socketsToRooms.get(id);
|
524 | var socketsset = this.roomsToSockets.get(roomName);
|
525 | if (!socketsset) {
|
526 | socketsset = new FastSet();
|
527 | this.roomsToSockets.set(roomName, socketsset);
|
528 | }
|
529 | roomsset.add(roomName);
|
530 | socketsset.add(id);
|
531 | var njoined = socketsset.length;
|
532 | return Promise.resolve(njoined);
|
533 | }
|
534 | }, {
|
535 | key: 'removeSocketFromRoom',
|
536 | value: function removeSocketFromRoom(id, roomName) {
|
537 | var roomsset = this.socketsToRooms.get(id);
|
538 | var socketsset = this.roomsToSockets.get(roomName);
|
539 | var wasjoined = socketsset && socketsset.length || 0;
|
540 | if (roomsset) {
|
541 | roomsset.delete(roomName);
|
542 | }
|
543 | if (socketsset) {
|
544 | socketsset.delete(id);
|
545 | }
|
546 | var njoined = 0;
|
547 | if (wasjoined > 0) {
|
548 | njoined = socketsset.length;
|
549 | }
|
550 | var hasChanged = njoined !== wasjoined;
|
551 | return Promise.resolve([njoined, hasChanged]);
|
552 | }
|
553 | }, {
|
554 | key: 'removeAllSocketsFromRoom',
|
555 | value: function removeAllSocketsFromRoom(roomName) {
|
556 | var sockets = this.socketsToRooms.keysArray();
|
557 | var socketsset = this.roomsToSockets.get(roomName);
|
558 | var removedSockets = socketsset && socketsset.toArray() || [];
|
559 | var _iteratorNormalCompletion2 = true;
|
560 | var _didIteratorError2 = false;
|
561 | var _iteratorError2 = undefined;
|
562 |
|
563 | try {
|
564 | for (var _iterator2 = (0, _getIterator3.default)(removedSockets), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
|
565 | var id = _step2.value;
|
566 |
|
567 | var roomsset = this.socketsToRooms.get(id);
|
568 | roomsset.delete(roomName);
|
569 | }
|
570 | } catch (err) {
|
571 | _didIteratorError2 = true;
|
572 | _iteratorError2 = err;
|
573 | } finally {
|
574 | try {
|
575 | if (!_iteratorNormalCompletion2 && _iterator2.return) {
|
576 | _iterator2.return();
|
577 | }
|
578 | } finally {
|
579 | if (_didIteratorError2) {
|
580 | throw _iteratorError2;
|
581 | }
|
582 | }
|
583 | }
|
584 |
|
585 | if (socketsset) {
|
586 | socketsset = socketsset.difference(sockets);
|
587 | this.roomsToSockets.set(roomName, socketsset);
|
588 | }
|
589 | return Promise.resolve(removedSockets);
|
590 | }
|
591 | }, {
|
592 | key: 'removeSocket',
|
593 | value: function removeSocket(id) {
|
594 | var roomsset = this.socketsToRooms.get(id);
|
595 | var removedRooms = roomsset && roomsset.toArray() || [];
|
596 | var joinedSockets = [];
|
597 | for (var idx = 0; idx < removedRooms.length; idx++) {
|
598 | var roomName = removedRooms[idx];
|
599 | var socketsset = this.roomsToSockets.get(roomName);
|
600 | socketsset.delete(id);
|
601 | var njoined = socketsset.length;
|
602 | joinedSockets[idx] = njoined;
|
603 | }
|
604 | this.socketsToRooms.delete(id);
|
605 | this.socketsToInstances.delete(id);
|
606 | var nconnected = this.socketsToRooms.length;
|
607 | return Promise.resolve([removedRooms, joinedSockets, nconnected]);
|
608 | }
|
609 | }, {
|
610 | key: 'lockToRoom',
|
611 | value: function lockToRoom(roomName, ttl) {
|
612 | var _this9 = this;
|
613 |
|
614 | return uid(18).then(function (val) {
|
615 | var start = _.now();
|
616 | return _this9.lock(roomName, val, ttl).then(function () {
|
617 | return Promise.resolve().disposer(function () {
|
618 | if (start + ttl < _.now()) {
|
619 | _this9.server.emit('lockTimeExceeded', val, { userName: _this9.userName, roomName: roomName });
|
620 | }
|
621 | return _this9.unlock(roomName, val);
|
622 | });
|
623 | });
|
624 | });
|
625 | }
|
626 | }]);
|
627 | return UserStateMemory;
|
628 | }();
|
629 |
|
630 | // Implements global state API.
|
631 |
|
632 |
|
633 | var MemoryState = function () {
|
634 | function MemoryState(server, options) {
|
635 | (0, _classCallCheck3.default)(this, MemoryState);
|
636 |
|
637 | this.server = server;
|
638 | this.options = options;
|
639 | this.closed = false;
|
640 | this.users = new FastMap();
|
641 | this.rooms = new FastMap();
|
642 | this.sockets = new FastMap();
|
643 | this.RoomState = RoomStateMemory;
|
644 | this.UserState = UserStateMemory;
|
645 | this.DirectMessagingState = DirectMessagingStateMemory;
|
646 | this.instanceUID = this.server.instanceUID;
|
647 | this.heartbeatStamp = null;
|
648 | this.lockTTL = this.options.lockTTL || 5000;
|
649 | }
|
650 |
|
651 | (0, _createClass3.default)(MemoryState, [{
|
652 | key: 'close',
|
653 | value: function close() {
|
654 | this.closed = true;
|
655 | return Promise.resolve();
|
656 | }
|
657 | }, {
|
658 | key: 'getRoom',
|
659 | value: function getRoom(name) {
|
660 | var isPredicate = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
|
661 |
|
662 | var room = this.rooms.get(name);
|
663 | if (room) {
|
664 | return Promise.resolve(room);
|
665 | }
|
666 | if (isPredicate) {
|
667 | return Promise.resolve(null);
|
668 | } else {
|
669 | var error = new ChatServiceError('noRoom', name);
|
670 | return Promise.reject(error);
|
671 | }
|
672 | }
|
673 | }, {
|
674 | key: 'addRoom',
|
675 | value: function addRoom(name, state) {
|
676 | var room = new Room(this.server, name);
|
677 | if (!this.rooms.get(name)) {
|
678 | this.rooms.set(name, room);
|
679 | } else {
|
680 | var error = new ChatServiceError('roomExists', name);
|
681 | return Promise.reject(error);
|
682 | }
|
683 | return room.initState(state).return(room);
|
684 | }
|
685 | }, {
|
686 | key: 'removeRoom',
|
687 | value: function removeRoom(name) {
|
688 | this.rooms.delete(name);
|
689 | return Promise.resolve();
|
690 | }
|
691 | }, {
|
692 | key: 'addSocket',
|
693 | value: function addSocket(id, userName) {
|
694 | this.sockets.set(id, userName);
|
695 | return Promise.resolve();
|
696 | }
|
697 | }, {
|
698 | key: 'removeSocket',
|
699 | value: function removeSocket(id) {
|
700 | this.sockets.delete(id);
|
701 | return Promise.resolve();
|
702 | }
|
703 | }, {
|
704 | key: 'getInstanceSockets',
|
705 | value: function getInstanceSockets() {
|
706 | var uid = arguments.length <= 0 || arguments[0] === undefined ? this.instanceUID : arguments[0];
|
707 |
|
708 | return Promise.resolve(this.sockets.toObject());
|
709 | }
|
710 | }, {
|
711 | key: 'updateHeartbeat',
|
712 | value: function updateHeartbeat() {
|
713 | this.heartbeatStamp = _.now();
|
714 | return Promise.resolve();
|
715 | }
|
716 | }, {
|
717 | key: 'getInstanceHeartbeat',
|
718 | value: function getInstanceHeartbeat() {
|
719 | var uid = arguments.length <= 0 || arguments[0] === undefined ? this.instanceUID : arguments[0];
|
720 |
|
721 | if (uid !== this.instanceUID) {
|
722 | return Promise.resolve(null);
|
723 | }
|
724 | return Promise.resolve(this.heartbeatStamp);
|
725 | }
|
726 | }, {
|
727 | key: 'getOrAddUser',
|
728 | value: function getOrAddUser(name, state) {
|
729 | var user = this.users.get(name);
|
730 | if (user) {
|
731 | return Promise.resolve(user);
|
732 | }
|
733 | return this.addUser(name, state);
|
734 | }
|
735 | }, {
|
736 | key: 'getUser',
|
737 | value: function getUser(name) {
|
738 | var isPredicate = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
|
739 |
|
740 | var user = this.users.get(name);
|
741 | if (user) {
|
742 | return Promise.resolve(user);
|
743 | }
|
744 | if (isPredicate) {
|
745 | return Promise.resolve(null);
|
746 | } else {
|
747 | var error = new ChatServiceError('noUser', name);
|
748 | return Promise.reject(error);
|
749 | }
|
750 | }
|
751 | }, {
|
752 | key: 'addUser',
|
753 | value: function addUser(name, state) {
|
754 | var user = this.users.get(name);
|
755 | if (user) {
|
756 | var error = new ChatServiceError('userExists', name);
|
757 | return Promise.reject(error);
|
758 | }
|
759 | user = new User(this.server, name);
|
760 | this.users.set(name, user);
|
761 | if (state) {
|
762 | return user.initState(state).return(user);
|
763 | } else {
|
764 | return Promise.resolve(user);
|
765 | }
|
766 | }
|
767 | }, {
|
768 | key: 'removeUser',
|
769 | value: function removeUser(name) {
|
770 | this.users.delete(name);
|
771 | return Promise.resolve();
|
772 | }
|
773 | }]);
|
774 | return MemoryState;
|
775 | }();
|
776 |
|
777 | module.exports = MemoryState;
|
778 | //# 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strict'\n\nconst ChatServiceError = require('./ChatServiceError')\nconst FastMap = require('collections/fast-map')\nconst FastSet = require('collections/fast-set')\nconst List = require('collections/list')\nconst Promise = require('bluebird')\nconst Room = require('./Room')\nconst User = require('./User')\nconst _ = require('lodash')\nconst promiseRetry = require('promise-retry')\nconst uid = require('uid-safe')\nconst { mixin } = require('es6-mixin')\n\nfunction initState (state, values) {\n  state.clear()\n  if (!values) {\n    return Promise.resolve()\n  } else {\n    return state.addEach(values)\n  }\n}\n\n// Memory lock operations.\n// @mixin\nclass LockOperations {\n\n  constructor (locks) {\n    this.locks = locks\n  }\n\n  lock (key, val, ttl) {\n    return promiseRetry(\n      {minTimeout: 100, retries: 10, factor: 1.5, randomize: true},\n      (retry, n) => {\n        if (this.locks.has(key)) {\n          let err = new ChatServiceError('timeout')\n          return retry(err)\n        } else {\n          this.locks.set(key, val)\n          return Promise.resolve()\n        }\n      }\n    )\n  }\n\n  unlock (key, val) {\n    let currentVal = this.locks.get(key)\n    if (currentVal === val) {\n      this.locks.delete(key)\n    }\n    return Promise.resolve()\n  }\n\n}\n\n// Implements state API lists management.\nclass ListsStateMemory {\n\n  checkList (listName, num, limit) {\n    if (!this.hasList(listName)) {\n      let error = new ChatServiceError('noList', listName)\n      return Promise.reject(error)\n    }\n    if (listName === 'userlist') {\n      return Promise.resolve()\n    }\n    if (this[listName].length + num > limit) {\n      let error = new ChatServiceError('listLimitExceeded', listName)\n      return Promise.reject(error)\n    } else {\n      return Promise.resolve()\n    }\n  }\n\n  addToList (listName, elems, limit) {\n    let num = elems.length\n    return this.checkList(listName, num, limit).then(() => {\n      this[listName].addEach(elems)\n      return Promise.resolve()\n    })\n  }\n\n  removeFromList (listName, elems) {\n    return this.checkList(listName).then(() => {\n      this[listName].deleteEach(elems)\n      return Promise.resolve()\n    })\n  }\n\n  getList (listName) {\n    return this.checkList(listName).then(() => {\n      let data = this[listName].toArray()\n      return Promise.resolve(data)\n    })\n  }\n\n  hasInList (listName, elem) {\n    return this.checkList(listName).then(() => {\n      let data = this[listName].has(elem)\n      data = Boolean(data)\n      return Promise.resolve(data)\n    })\n  }\n\n  whitelistOnlySet (mode) {\n    this.whitelistOnly = Boolean(mode)\n    return Promise.resolve()\n  }\n\n  whitelistOnlyGet () {\n    return Promise.resolve(this.whitelistOnly)\n  }\n\n}\n\n// Implements room state API.\nclass RoomStateMemory extends ListsStateMemory {\n\n  constructor (server, name) {\n    super()\n    this.server = server\n    this.name = name\n    this.historyMaxGetMessages = this.server.historyMaxGetMessages\n    this.historyMaxSize = this.server.historyMaxSize\n    this.whitelist = new FastSet()\n    this.blacklist = new FastSet()\n    this.adminlist = new FastSet()\n    this.userlist = new FastSet()\n    this.messagesHistory = new List()\n    this.messagesTimestamps = new List()\n    this.messagesIds = new List()\n    this.usersseen = new FastMap()\n    this.lastMessageId = 0\n    this.whitelistOnly = false\n    this.owner = null\n  }\n\n  initState (state) {\n    state = state || {}\n    let { whitelist, blacklist, adminlist,\n          whitelistOnly, owner, historyMaxSize,\n          enableAccessListsUpdates = this.server.enableAccessListsUpdates,\n          enableUserlistUpdates = this.server.enableUserlistUpdates\n        } = state\n    initState(this.whitelist, whitelist)\n    initState(this.blacklist, blacklist)\n    initState(this.adminlist, adminlist)\n    initState(this.messagesHistory)\n    initState(this.messagesTimestamps)\n    initState(this.messagesIds)\n    initState(this.usersseen)\n    this.whitelistOnly = Boolean(whitelistOnly)\n    this.enableAccessListsUpdates = Boolean(enableAccessListsUpdates)\n    this.enableUserlistUpdates = Boolean(enableUserlistUpdates)\n    this.owner = owner || null\n    return this.historyMaxSizeSet(historyMaxSize)\n  }\n\n  removeState () {\n    return Promise.resolve()\n  }\n\n  startRemoving () {\n    return Promise.resolve()\n  }\n\n  hasList (listName) {\n    return listName === 'adminlist' || listName === 'whitelist' ||\n      listName === 'blacklist' || listName === 'userlist'\n  }\n\n  ownerGet () {\n    return Promise.resolve(this.owner)\n  }\n\n  ownerSet (owner) {\n    this.owner = owner\n    return Promise.resolve()\n  }\n\n  accessListsUpdatesSet (enableAccessListsUpdates) {\n    this.enableAccessListsUpdates = Boolean(enableAccessListsUpdates)\n    return Promise.resolve()\n  }\n\n  accessListsUpdatesGet () {\n    return Promise.resolve(this.enableAccessListsUpdates)\n  }\n\n  userlistUpdatesSet (enableUserlistUpdates) {\n    this.enableUserlistUpdates = Boolean(enableUserlistUpdates)\n    return Promise.resolve()\n  }\n\n  userlistUpdatesGet () {\n    return Promise.resolve(this.enableUserlistUpdates)\n  }\n\n  historyMaxSizeSet (historyMaxSize) {\n    if (_.isNumber(historyMaxSize) && historyMaxSize >= 0) {\n      this.historyMaxSize = historyMaxSize\n    }\n    let limit = this.historyMaxSize\n    this.messagesHistory = new List(this.messagesHistory.slice(0, limit))\n    this.messagesTimestamps = new List(this.messagesTimestamps.slice(0, limit))\n    this.messagesIds = new List(this.messagesIds.slice(0, limit))\n    return Promise.resolve()\n  }\n\n  historyInfo () {\n    let historySize = this.messagesHistory.length\n    let info = {\n      historySize,\n      historyMaxSize: this.historyMaxSize,\n      historyMaxGetMessages: this.historyMaxGetMessages,\n      lastMessageId: this.lastMessageId\n    }\n    return Promise.resolve(info)\n  }\n\n  getCommonUsers () {\n    let nonWL = this.userlist.difference(this.whitelist)\n    let nonAdmin = nonWL.difference(this.adminlist)\n    let data = nonAdmin.toArray()\n    return Promise.resolve(data)\n  }\n\n  messageAdd (msg) {\n    let timestamp = _.now()\n    this.lastMessageId++\n    let makeResult = () => {\n      msg.timestamp = timestamp\n      msg.id = this.lastMessageId\n      return Promise.resolve(msg)\n    }\n    if (this.historyMaxSize <= 0) {\n      return makeResult()\n    }\n    this.messagesHistory.unshift(msg)\n    this.messagesTimestamps.unshift(timestamp)\n    this.messagesIds.unshift(this.lastMessageId)\n    if (this.messagesHistory.length > this.historyMaxSize) {\n      this.messagesHistory.pop()\n      this.messagesTimestamps.pop()\n      this.messagesIds.pop()\n    }\n    return makeResult()\n  }\n\n  messagesGetRecent () {\n    let msgs = this.messagesHistory.slice(0, this.historyMaxGetMessages)\n    let tss = this.messagesTimestamps.slice(0, this.historyMaxGetMessages)\n    let ids = this.messagesIds.slice(0, this.historyMaxGetMessages)\n    let data = []\n    for (let idx = 0; idx < msgs.length; idx++) {\n      let msg = msgs[idx]\n      let obj = _.cloneDeep(msg)\n      obj.timestamp = tss[idx]\n      obj.id = ids[idx]\n      data[idx] = obj\n    }\n    return Promise.resolve(data)\n  }\n\n  messagesGet (id, maxMessages = this.historyMaxGetMessages) {\n    if (maxMessages <= 0) { return Promise.resolve([]) }\n    id = _.max([0, id])\n    let lastid = this.lastMessageId\n    id = _.min([ id, lastid ])\n    let end = lastid - id\n    let len = _.min([ maxMessages, end ])\n    let start = _.max([ 0, end - len ])\n    let msgs = this.messagesHistory.slice(start, end)\n    let tss = this.messagesTimestamps.slice(start, end)\n    let ids = this.messagesIds.slice(start, end)\n    let data = []\n    for (let idx = 0; idx < msgs.length; idx++) {\n      let msg = msgs[idx]\n      let obj = _.cloneDeep(msg)\n      msg.timestamp = tss[idx]\n      msg.id = ids[idx]\n      data[idx] = obj\n    }\n    return Promise.resolve(msgs)\n  }\n\n  userSeenGet (userName) {\n    let joined = Boolean(this.userlist.get(userName))\n    let timestamp = this.usersseen.get(userName) || null\n    return Promise.resolve({joined, timestamp})\n  }\n\n  userSeenUpdate (userName) {\n    let timestamp = _.now()\n    this.usersseen.set(userName, timestamp)\n    return Promise.resolve()\n  }\n\n}\n\n// Implements direct messaging state API.\nclass DirectMessagingStateMemory extends ListsStateMemory {\n\n  constructor (server, userName) {\n    super()\n    this.server = server\n    this.userName = userName\n    this.whitelistOnly = false\n    this.whitelist = new FastSet()\n    this.blacklist = new FastSet()\n  }\n\n  initState ({ whitelist, blacklist, whitelistOnly }) {\n    initState(this.whitelist, whitelist)\n    initState(this.blacklist, blacklist)\n    this.whitelistOnly = Boolean(whitelistOnly)\n    return Promise.resolve()\n  }\n\n  removeState () {\n    return Promise.resolve()\n  }\n\n  hasList (listName) {\n    return listName === 'whitelist' || listName === 'blacklist'\n  }\n\n}\n\n// Implements user state API.\nclass UserStateMemory {\n\n  constructor (server, userName) {\n    this.server = server\n    this.userName = userName\n    this.socketsToRooms = new FastMap()\n    this.socketsToInstances = new FastMap()\n    this.roomsToSockets = new FastMap()\n    this.locks = new FastMap()\n    mixin(this, LockOperations, this.locks)\n  }\n\n  addSocket (id, uid) {\n    let roomsset = new FastSet()\n    this.socketsToRooms.set(id, roomsset)\n    this.socketsToInstances.set(id, uid)\n    let nconnected = this.socketsToRooms.length\n    return Promise.resolve(nconnected)\n  }\n\n  getAllSockets () {\n    let sockets = this.socketsToRooms.keysArray()\n    return Promise.resolve(sockets)\n  }\n\n  getSocketsToInstance () {\n    let data = this.socketsToInstances.toObject()\n    return Promise.resolve(data)\n  }\n\n  getRoomToSockets (roomName) {\n    let socketsset = this.roomsToSockets.get(roomName)\n    let data = (socketsset && socketsset.toObject()) || {}\n    return Promise.resolve(data)\n  }\n\n  getSocketsToRooms () {\n    let result = {}\n    let sockets = this.socketsToRooms.keysArray()\n    for (let id of sockets) {\n      let socketsset = this.socketsToRooms.get(id)\n      result[id] = (socketsset && socketsset.toArray()) || []\n    }\n    return Promise.resolve(result)\n  }\n\n  addSocketToRoom (id, roomName) {\n    let roomsset = this.socketsToRooms.get(id)\n    let socketsset = this.roomsToSockets.get(roomName)\n    if (!socketsset) {\n      socketsset = new FastSet()\n      this.roomsToSockets.set(roomName, socketsset)\n    }\n    roomsset.add(roomName)\n    socketsset.add(id)\n    let njoined = socketsset.length\n    return Promise.resolve(njoined)\n  }\n\n  removeSocketFromRoom (id, roomName) {\n    let roomsset = this.socketsToRooms.get(id)\n    let socketsset = this.roomsToSockets.get(roomName)\n    let wasjoined = (socketsset && socketsset.length) || 0\n    if (roomsset) {\n      roomsset.delete(roomName)\n    }\n    if (socketsset) {\n      socketsset.delete(id)\n    }\n    let njoined = 0\n    if (wasjoined > 0) {\n      njoined = socketsset.length\n    }\n    let hasChanged = njoined !== wasjoined\n    return Promise.resolve([njoined, hasChanged])\n  }\n\n  removeAllSocketsFromRoom (roomName) {\n    let sockets = this.socketsToRooms.keysArray()\n    let socketsset = this.roomsToSockets.get(roomName)\n    let removedSockets = (socketsset && socketsset.toArray()) || []\n    for (let id of removedSockets) {\n      let roomsset = this.socketsToRooms.get(id)\n      roomsset.delete(roomName)\n    }\n    if (socketsset) {\n      socketsset = socketsset.difference(sockets)\n      this.roomsToSockets.set(roomName, socketsset)\n    }\n    return Promise.resolve(removedSockets)\n  }\n\n  removeSocket (id) {\n    let roomsset = this.socketsToRooms.get(id)\n    let removedRooms = (roomsset && roomsset.toArray()) || []\n    let joinedSockets = []\n    for (let idx = 0; idx < removedRooms.length; idx++) {\n      let roomName = removedRooms[idx]\n      let socketsset = this.roomsToSockets.get(roomName)\n      socketsset.delete(id)\n      let njoined = socketsset.length\n      joinedSockets[idx] = njoined\n    }\n    this.socketsToRooms.delete(id)\n    this.socketsToInstances.delete(id)\n    let nconnected = this.socketsToRooms.length\n    return Promise.resolve([ removedRooms, joinedSockets, nconnected ])\n  }\n\n  lockToRoom (roomName, ttl) {\n    return uid(18).then(val => {\n      let start = _.now()\n      return this.lock(roomName, val, ttl).then(() => {\n        return Promise.resolve().disposer(() => {\n          if (start + ttl < _.now()) {\n            this.server.emit(\n              'lockTimeExceeded', val, {userName: this.userName, roomName})\n          }\n          return this.unlock(roomName, val)\n        })\n      })\n    })\n  }\n\n}\n\n// Implements global state API.\nclass MemoryState {\n\n  constructor (server, options) {\n    this.server = server\n    this.options = options\n    this.closed = false\n    this.users = new FastMap()\n    this.rooms = new FastMap()\n    this.sockets = new FastMap()\n    this.RoomState = RoomStateMemory\n    this.UserState = UserStateMemory\n    this.DirectMessagingState = DirectMessagingStateMemory\n    this.instanceUID = this.server.instanceUID\n    this.heartbeatStamp = null\n    this.lockTTL = this.options.lockTTL || 5000\n  }\n\n  close () {\n    this.closed = true\n    return Promise.resolve()\n  }\n\n  getRoom (name, isPredicate = false) {\n    let room = this.rooms.get(name)\n    if (room) { return Promise.resolve(room) }\n    if (isPredicate) {\n      return Promise.resolve(null)\n    } else {\n      let error = new ChatServiceError('noRoom', name)\n      return Promise.reject(error)\n    }\n  }\n\n  addRoom (name, state) {\n    let room = new Room(this.server, name)\n    if (!this.rooms.get(name)) {\n      this.rooms.set(name, room)\n    } else {\n      let error = new ChatServiceError('roomExists', name)\n      return Promise.reject(error)\n    }\n    return room.initState(state).return(room)\n  }\n\n  removeRoom (name) {\n    this.rooms.delete(name)\n    return Promise.resolve()\n  }\n\n  addSocket (id, userName) {\n    this.sockets.set(id, userName)\n    return Promise.resolve()\n  }\n\n  removeSocket (id) {\n    this.sockets.delete(id)\n    return Promise.resolve()\n  }\n\n  getInstanceSockets (uid = this.instanceUID) {\n    return Promise.resolve(this.sockets.toObject())\n  }\n\n  updateHeartbeat () {\n    this.heartbeatStamp = _.now()\n    return Promise.resolve()\n  }\n\n  getInstanceHeartbeat (uid = this.instanceUID) {\n    if (uid !== this.instanceUID) { return Promise.resolve(null) }\n    return Promise.resolve(this.heartbeatStamp)\n  }\n\n  getOrAddUser (name, state) {\n    let user = this.users.get(name)\n    if (user) { return Promise.resolve(user) }\n    return this.addUser(name, state)\n  }\n\n  getUser (name, isPredicate = false) {\n    let user = this.users.get(name)\n    if (user) { return Promise.resolve(user) }\n    if (isPredicate) {\n      return Promise.resolve(null)\n    } else {\n      let error = new ChatServiceError('noUser', name)\n      return Promise.reject(error)\n    }\n  }\n\n  addUser (name, state) {\n    let user = this.users.get(name)\n    if (user) {\n      let error = new ChatServiceError('userExists', name)\n      return Promise.reject(error)\n    }\n    user = new User(this.server, name)\n    this.users.set(name, user)\n    if (state) {\n      return user.initState(state).return(user)\n    } else {\n      return Promise.resolve(user)\n    }\n  }\n\n  removeUser (name) {\n    this.users.delete(name)\n    return Promise.resolve()\n  }\n}\n\nmodule.exports = MemoryState\n"]} |
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