684 lines
23 KiB
JavaScript
684 lines
23 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var fs = _interopRequireWildcard(require("fs"));
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var os = _interopRequireWildcard(require("os"));
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var path = _interopRequireWildcard(require("path"));
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var util = _interopRequireWildcard(require("util"));
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var _nodeLocalstorage = require("node-localstorage");
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var matrix = _interopRequireWildcard(require("matrix-js-sdk"));
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var _logger = _interopRequireDefault(require("./logger"));
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var _encryptAttachment = _interopRequireDefault(require("./encrypt-attachment"));
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global.Olm = require("olm");
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const BOT_SIGNAL_END_CHAT = 'END_CHAT';
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const BOT_SIGNAL_CHAT_OFFLINE = 'CHAT_OFFLINE';
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class OcrccBot {
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constructor(config) {
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this.config = config;
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this.client = matrix.createClient(this.config.matrixServerUrl);
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this.joinedRooms = [];
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this.inactivityTimers = {};
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}
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createLocalStorage() {
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const storageLoc = `matrix-chatbot-${this.config.botUsername}`;
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const dir = path.resolve(path.join(os.homedir(), ".local-storage"));
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if (!fs.existsSync(dir)) {
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fs.mkdirSync(dir);
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}
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const localStoragePath = path.resolve(path.join(dir, storageLoc));
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return new _nodeLocalstorage.LocalStorage(localStoragePath);
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}
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async sendTextMessage(roomId, msgText, showToUser = null) {
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const content = {
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msgtype: "m.text",
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body: msgText,
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showToUser: showToUser
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};
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await this.sendMessage(roomId, content);
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}
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async sendNotice(roomId, message) {
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try {
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await this.client.sendNotice(roomId, message);
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_logger.default.log("info", `SENT *NOTICE*: ${message}`);
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} catch (err) {
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switch (err["name"]) {
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case "UnknownDeviceError":
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Object.keys(err.devices).forEach(userId => {
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Object.keys(err.devices[userId]).map(async deviceId => {
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try {
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await this.client.setDeviceVerified(userId, deviceId, true);
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} catch (err) {
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_logger.default.log("error", `ERROR VERIFYING DEVICE: ${err}`);
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}
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});
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});
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await this.sendNotice(roomId, message);
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default:
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_logger.default.log("error", `ERROR SENDING *NOTICE*: ${err}`);
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break;
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}
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}
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}
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async sendMessage(roomId, content) {
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try {
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await this.client.sendMessage(roomId, content);
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_logger.default.log("info", `SENT MESSAGE: ${content.body}`);
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} catch (err) {
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switch (err["name"]) {
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case "UnknownDeviceError":
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Object.keys(err.devices).forEach(userId => {
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Object.keys(err.devices[userId]).map(async deviceId => {
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try {
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await this.client.setDeviceVerified(userId, deviceId, true);
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} catch (err) {
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_logger.default.log("error", `ERROR VERIFYING DEVICE: ${err}`);
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}
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});
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});
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await this.sendMessage(roomId, content);
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default:
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_logger.default.log("error", `ERROR SENDING MESSAGE ${content.body}: ${err}`);
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break;
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}
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}
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}
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inviteUserToRoom(roomId, member) {
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try {
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this.client.invite(roomId, member);
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} catch (err) {
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this.handleBotCrash(roomId, err);
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}
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}
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kickUserFromRoom(roomId, member) {
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try {
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this.client.kick(roomId, member, this.config.kickReason);
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} catch (err) {
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this.handleBotCrash(roomId, err);
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_logger.default.log("error", `ERROR KICKING OUT MEMBER: ${err}`);
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}
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}
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async inviteFacilitators(roomId) {
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try {
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this.localStorage.setItem(`${roomId}-waiting`, 'true');
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let invitations = [];
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const roomMembers = await this.client.getJoinedRoomMembers(this.config.facilitatorRoomId);
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const members = Object.keys(roomMembers["joined"]);
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members.forEach(memberId => {
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const user = this.client.getUser(memberId);
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if (user && user.presence !== "offline" && memberId !== this.config.botUserId) {
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invitations.push(memberId);
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this.inviteUserToRoom(roomId, memberId);
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}
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});
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if (invitations.length > 0) {
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this.localStorage.setItem(`${roomId}-invitations`, invitations);
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} else {
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_logger.default.log('info', "NO FACILITATORS ONLINE");
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this.sendBotSignal(roomId, BOT_SIGNAL_CHAT_OFFLINE);
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}
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} catch (err) {
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this.handleBotCrash(roomId, err);
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_logger.default.log("error", `ERROR GETTING FACILITATORS: ${err}`);
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}
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}
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async uninviteFacilitators(roomId) {
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try {
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this.localStorage.removeItem(`${roomId}-waiting`);
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const facilitatorsRoomMembers = await this.client.getJoinedRoomMembers(this.config.facilitatorRoomId);
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const supportRoomMembers = await this.client.getJoinedRoomMembers(roomId);
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const roomMembersIds = Object.keys(supportRoomMembers["joined"]);
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const facilitatorsIds = Object.keys(facilitatorsRoomMembers["joined"]);
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if (!roomMembersIds || !facilitatorsIds) return;
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facilitatorsIds.forEach(f => {
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if (!roomMembersIds.includes(f)) {
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this.kickUserFromRoom(roomId, f);
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}
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});
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} catch (err) {
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this.handleBotCrash(roomId, err);
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_logger.default.log("ERROR UNINVITING FACILITATORS", err);
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}
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}
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handleBotCrash(roomId, error) {
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if (roomId) {
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this.sendTextMessage(roomId, this.config.botErrorMessage);
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}
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this.sendTextMessage(this.config.facilitatorRoomId, `${this.config.botDisplayName} ran into an error: ${error}. Please verify that the chat service is working.`);
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}
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handleMessageEvent(event) {
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const content = event.getContent();
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const sender = event.getSender();
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const roomId = event.getRoomId(); // do nothing if there's no content
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if (!content) {
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return;
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} // if it's a chat message and the facilitator has joined, reset the inactivity timeout
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const facilitatorId = this.localStorage.getItem(`${roomId}-facilitator`);
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if (Boolean(facilitatorId) && sender !== this.config.botUserId) {
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this.setInactivityTimeout(roomId);
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} // bot commands
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if (content.body.startsWith("!bot")) {
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return this.handleBotCommand(event);
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} // write to transcript
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if (this.config.captureTranscripts) {
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return this.writeToTranscript(event);
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}
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}
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writeToTranscript(event) {
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try {
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const sender = event.getSender();
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const roomId = event.getRoomId();
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const content = event.getContent();
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const date = event.getDate();
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const time = date.toLocaleTimeString("en-GB", {
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timeZone: "America/New_York"
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});
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const filepath = this.localStorage.getItem(`${roomId}-transcript`);
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if (!filepath) {
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return _logger.default.log("error", `NO TRANSCRIPT FILE FOR ROOM: ${roomId}. This message will not be added: ${content.body}`);
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}
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const message = `${sender} [${time}]: ${content.body}\n`;
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fs.appendFileSync(filepath, message, "utf8");
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} catch (err) {
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_logger.default.log("error", `ERROR APPENDING TO TRANSCRIPT FILE: ${err}`);
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}
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}
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handleBotCommand(event) {
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const botCommands = [{
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keyword: 'transcript',
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function: (senderId, roomId) => {
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this.sendTranscript(senderId, roomId);
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}
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}, {
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keyword: 'delete transcript',
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function: (senderId, roomId) => {
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this.deleteTranscript(senderId, roomId, true);
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} // delete transcript and send confirmation message
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}, {
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keyword: 'say',
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function: (senderId, roomId, message) => {
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this.sendTextMessage(roomId, message, senderId);
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}
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}, {
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keyword: 'hi',
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function: (senderId, roomId) => {
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const responses = ["Hi!", "Hello", "Hey :)", "Hi there", "Bleep bloop"];
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const message = responses[Math.floor(Math.random() * responses.length)];
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this.sendTextMessage(roomId, message, senderId);
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}
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}];
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try {
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const senderId = event.getSender();
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const roomId = event.getRoomId();
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const content = event.getContent();
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const commandText = content.body.substring("!bot".length).trim();
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const command = botCommands.find(c => commandText.startsWith(c.keyword));
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if (!command) {
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this.sendTextMessage(roomId, `Sorry, I don't know that command. I'm not a very smart bot.`, senderId);
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}
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const args = commandText.substring(command.keyword.length).trim();
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command.function(senderId, roomId, args);
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} catch (err) {
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_logger.default.log("error", `ERROR EXECUTING BOT COMMAND: ${err}`);
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}
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}
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async leaveEmptyRooms() {
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try {
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const roomData = await this.client.getJoinedRooms();
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const joinedRoomsIds = roomData["joined_rooms"];
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joinedRoomsIds.forEach(async roomId => {
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const room = this.client.getRoom(roomId);
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if (room && room.getJoinedMemberCount() === 1) {
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try {
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await this.client.leave(roomId);
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_logger.default.log('info', `LEAVING EMPTY ROOM => ${roomId}`);
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} catch (err) {
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_logger.default.log('error', `ERROR LEAVING ROOM ${roomId} => ${err}`);
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}
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}
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});
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} catch (err) {
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_logger.default.log("error", `ERROR LEAVING EMPTY ROOMS: ${err}`);
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}
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}
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async sendTranscript(senderId, roomId) {
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try {
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const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`);
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if (!transcriptFile) {
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this.sendTextMessage(roomId, "Cannot send transcript, there is no transcript for this chat.", senderId);
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}
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if (this.client.isRoomEncrypted(roomId)) {
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let encryptInfo;
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const filename = path.basename(transcriptFile) || "Transcript";
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const data = fs.readFileSync(transcriptFile);
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const encryptResult = await _encryptAttachment.default.encryptAttachment(data);
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const buffer = Buffer.from(encryptResult.data);
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encryptInfo = encryptResult.info;
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const url = await this.client.uploadContent(buffer, {
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rawResponse: false,
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name: filename
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});
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encryptInfo.url = url.content_uri;
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encryptInfo.mimetype = 'text/plain';
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const content = {
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msgtype: "m.file",
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body: filename,
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info: {
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mimetype: 'text/plain'
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},
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file: encryptInfo,
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url: url.content_uri,
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showToUser: senderId,
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mimetype: 'text/plain'
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};
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this.sendMessage(roomId, content);
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} else {
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const filename = path.basename(transcriptFile) || "Transcript";
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const file = fs.readFileSync(transcriptFile);
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const stats = fs.statSync(transcriptFile);
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const url = await this.client.uploadContent(file, {
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rawResponse: false,
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name: filename
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});
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_logger.default.log('info', url);
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const content = {
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msgtype: "m.file",
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body: filename,
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info: {
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size: stats.size,
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mimetype: 'text/plain'
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},
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url: url.content_uri,
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showToUser: senderId,
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mimetype: 'text/plain'
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};
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this.sendMessage(roomId, content);
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}
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} catch (err) {
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_logger.default.log("error", `ERROR UPLOADING CONTENT: ${err}`);
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this.sendTextMessage(roomId, "There was an error uploading the transcript.", senderId);
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}
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}
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deleteTranscript(senderId, roomId, sendConfirmation = false) {
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const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`);
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if (!transcriptFile) {
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return this.sendTextMessage(roomId, "Cannot delete transcript, there is no transcript for this chat.", senderId);
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}
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fs.unlink(transcriptFile, err => {
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if (err) {
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_logger.default.log('error', "UNABLE TO DELETE TRANSCRIPT FILE => " + transcriptFile);
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_logger.default.log('error', err);
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return this.sendTextMessage(roomId, `There was an error deleting the transcript: ${err}`, senderId);
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}
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if (sendConfirmation) {
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this.sendTextMessage(roomId, `The transcript file has been deleted.`, senderId);
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}
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_logger.default.log('info', "DELETED TRANSCRIPT FILE => " + transcriptFile);
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this.localStorage.removeItem(`${roomId}-transcript`);
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});
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}
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async deleteOldDevices() {
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const currentDeviceId = this.client.getDeviceId();
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const deviceData = await this.client.getDevices();
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const allDeviceIds = deviceData.devices.map(d => d.device_id);
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const oldDevices = allDeviceIds.filter(id => id !== currentDeviceId);
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try {
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await this.client.deleteMultipleDevices(oldDevices);
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} catch (err) {
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_logger.default.log("info", "RETRYING DELETE OLD DEVICES WITH AUTH");
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const auth = {
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session: err.data.session,
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type: "m.login.password",
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user: this.config.botUserId,
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identifier: {
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type: "m.id.user",
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user: this.config.botUserId
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},
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password: this.config.botPassword
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};
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await this.client.deleteMultipleDevices(oldDevices, auth);
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_logger.default.log("info", "DELETED OLD DEVICES");
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}
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}
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async trackJoinedRooms() {
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const roomData = await this.client.getJoinedRooms();
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this.joinedRooms = roomData["joined_rooms"];
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_logger.default.log("info", "JOINED ROOMS => " + this.joinedRooms);
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}
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async setMembershipListeners() {
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// Automatically accept all room invitations
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this.client.on("RoomMember.membership", async (event, member) => {
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if (member.membership === "invite" && member.userId === this.config.botUserId && !this.joinedRooms.includes(member.roomId)) {
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try {
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const roomData = await this.client.getJoinedRooms();
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const joinedRooms = roomData["joined_rooms"];
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if (!joinedRooms.includes(member.roomId)) {
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const room = await this.client.joinRoom(member.roomId);
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_logger.default.log("info", "AUTO JOINED ROOM => " + room.roomId);
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const inviteDate = event.getDate();
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const chatDate = inviteDate.toLocaleDateString();
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const chatTime = inviteDate.toLocaleTimeString();
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const roomId = room.roomId.split(':')[0];
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const notification = `Incoming support chat at ${chatTime} (room ID: ${roomId})`;
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this.sendTextMessage(this.config.facilitatorRoomId, notification);
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this.inviteFacilitators(room.roomId);
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this.setTimeoutforFacilitator(room.roomId);
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}
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} catch (err) {
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_logger.default.log("error", "ERROR JOINING ROOM => " + err);
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}
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}
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if (member.membership === "join" && member.userId !== this.config.botUserId && this.localStorage.getItem(`${member.roomId}-waiting`)) {
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try {
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// make sure it's a facilitator joining
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const roomMembers = await this.client.getJoinedRoomMembers(this.config.facilitatorRoomId);
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const members = Object.keys(roomMembers["joined"]);
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const isFacilitator = members.includes(member.userId);
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if (isFacilitator) {
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// made facilitator a moderator in the room
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this.localStorage.setItem(`${member.roomId}-facilitator`, member.userId);
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const event = {
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getType: () => {
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return "m.room.power_levels";
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},
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getContent: () => {
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return {
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users: {
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[this.config.botUserId]: 100,
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[member.userId]: 50
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}
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};
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}
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};
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this.client.setPowerLevel(member.roomId, member.userId, 50, event); // send notification to Support Chat Notifications room
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const currentDate = new Date();
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const chatTime = currentDate.toLocaleTimeString();
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const roomId = member.roomId.split(':')[0];
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const notification = `${member.name} joined the chat at ${chatTime} (room ID: ${roomId})`;
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this.sendTextMessage(this.config.facilitatorRoomId, notification); // send notification to chat room
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this.sendTextMessage(member.roomId, `${member.name} has joined the chat.`); // revoke the other invitations
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this.uninviteFacilitators(member.roomId); // set transcript file
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if (this.config.captureTranscripts) {
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const currentDate = new Date();
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const dateOpts = {
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year: "numeric",
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month: "short",
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day: "numeric"
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};
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const chatDate = currentDate.toLocaleDateString("en-GB", dateOpts);
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const chatTime = currentDate.toLocaleTimeString("en-GB", {
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timeZone: "America/New_York"
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});
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const filename = `${chatDate} - ${chatTime} - ${member.roomId}.txt`;
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const filepath = path.resolve(path.join("transcripts", filename));
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this.localStorage.setItem(`${member.roomId}-transcript`, filepath);
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}
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}
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} catch (err) {
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_logger.default.log("error", `ERROR WHEN FACILITATOR JOINED ROOM ==> ${err}`);
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}
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}
|
|
|
|
if (member.membership === "leave" && member.userId !== this.config.botUserId) {
|
|
const room = this.client.getRoom(member.roomId);
|
|
if (!room) return;
|
|
const roomMembers = await room.getJoinedMembers(); // array
|
|
|
|
const facilitatorRoomMembers = await this.client.getJoinedRoomMembers(this.config.facilitatorRoomId); // object
|
|
|
|
const isBotInRoom = Boolean(roomMembers.find(member => member.userId === this.config.botUserId)); // leave if there is nobody in the room
|
|
|
|
try {
|
|
const memberCount = roomMembers.length;
|
|
|
|
if (memberCount === 1 && isBotInRoom) {
|
|
// just the bot left
|
|
_logger.default.log("info", `LEAVING EMPTY ROOM: ${member.roomId}`);
|
|
|
|
this.deleteTranscript(member.userId, member.roomId);
|
|
this.localStorage.removeItem(`${member.roomId}-facilitator`);
|
|
this.localStorage.removeItem(`${member.roomId}-transcript`);
|
|
this.localStorage.removeItem(`${member.roomId}-waiting`);
|
|
return await this.client.leave(member.roomId);
|
|
}
|
|
} catch (err) {
|
|
return _logger.default.log("error", `ERROR LEAVING EMPTY ROOM ==> ${err}`);
|
|
} // notify room if the facilitator has left
|
|
|
|
|
|
try {
|
|
const facilitatorId = this.localStorage.getItem(`${member.roomId}-facilitator`);
|
|
|
|
if (isBotInRoom && member.userId === facilitatorId) {
|
|
this.sendTextMessage(member.roomId, `${member.name} has left the chat.`); // send notification to Support Chat Notifications room
|
|
|
|
const currentDate = new Date();
|
|
const chatTime = currentDate.toLocaleTimeString();
|
|
const roomId = member.roomId.split(':')[0];
|
|
const notification = `${member.name} left the chat at ${chatTime} (room ID: ${roomId})`;
|
|
await this.sendTextMessage(this.config.facilitatorRoomId, notification);
|
|
}
|
|
} catch (err) {
|
|
_logger.default.log("error", `ERROR NOTIFYING THAT FACLITATOR HAS LEFT THE ROOM ==> ${err}`);
|
|
} // send signal to close the chat if there are no facilitators in the room
|
|
|
|
|
|
try {
|
|
const facilitators = facilitatorRoomMembers['joined'];
|
|
let facilitatorInRoom = false;
|
|
roomMembers.forEach(member => {
|
|
if (member.userId !== this.config.botUserId && Boolean(facilitators[member.userId])) {
|
|
facilitatorInRoom = true;
|
|
}
|
|
});
|
|
|
|
if (!facilitatorInRoom) {
|
|
_logger.default.log("info", `NO FACILITATORS LEFT, SENDING SIGNAL TO END CHAT`);
|
|
|
|
this.sendBotSignal(member.roomId, BOT_SIGNAL_END_CHAT);
|
|
}
|
|
} catch (err) {
|
|
_logger.default.log("error", `ERROR SENDING BOT SIGNAL ==> ${err}`);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
setTimeoutforFacilitator(roomId) {
|
|
setTimeout(async () => {
|
|
const stillWaiting = this.localStorage.getItem(`${roomId}-waiting`);
|
|
|
|
if (stillWaiting) {
|
|
_logger.default.log("info", `FACILITATOR DID NOT JOIN CHAT WITHIN TIME LIMIT, SENDING SIGNAL TO END CHAT`);
|
|
|
|
await this.sendTextMessage(roomId, this.config.chatNotAvailableMessage);
|
|
this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT);
|
|
}
|
|
}, this.config.maxWaitTime);
|
|
}
|
|
|
|
setInactivityTimeout(roomId) {
|
|
const oldTimeout = this.inactivityTimers[roomId];
|
|
|
|
if (oldTimeout) {
|
|
clearTimeout(oldTimeout);
|
|
}
|
|
|
|
const newTimeout = setTimeout(async () => {
|
|
_logger.default.log("info", `CHAT IS INACTIVE, SENDING SIGNAL TO END CHAT`);
|
|
|
|
await this.sendTextMessage(roomId, this.config.chatInactiveMessage);
|
|
this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT);
|
|
}, this.config.maxInactiveTime);
|
|
this.inactivityTimers[roomId] = newTimeout;
|
|
}
|
|
|
|
async setMessageListeners() {
|
|
// encrypted messages
|
|
this.client.on("Event.decrypted", (event, err) => {
|
|
if (err) {
|
|
return _logger.default.log("error", `ERROR DECRYPTING EVENT: ${err}`);
|
|
}
|
|
|
|
if (event.getType() === "m.room.message") {
|
|
this.handleMessageEvent(event);
|
|
}
|
|
}); // unencrypted messages
|
|
|
|
this.client.on("Room.timeline", (event, room, toStartOfTimeline) => {
|
|
if (event.getType() === "m.room.message" && !event.isEncrypted()) {
|
|
this.handleMessageEvent(event);
|
|
}
|
|
});
|
|
}
|
|
|
|
async sendBotSignal(roomId, signal, args) {
|
|
let content = {
|
|
signal: signal,
|
|
args: args
|
|
};
|
|
|
|
try {
|
|
await this.client.sendStateEvent(roomId, 'm.bot.signal', content);
|
|
} catch (err) {
|
|
_logger.default.log('error', "ERROR SENDING BOT SIGNAL => " + err);
|
|
}
|
|
}
|
|
|
|
async start() {
|
|
try {
|
|
const localStorage = this.createLocalStorage();
|
|
this.localStorage = localStorage;
|
|
const auth = {
|
|
user: this.config.botUsername,
|
|
password: this.config.botPassword,
|
|
initial_device_display_name: this.config.botDisplayName
|
|
};
|
|
const account = await this.client.login("m.login.password", auth);
|
|
|
|
_logger.default.log("info", `ACCOUNT ==> ${JSON.stringify(account)}`);
|
|
|
|
let opts = {
|
|
baseUrl: this.config.matrixServerUrl,
|
|
accessToken: account.access_token,
|
|
userId: this.config.botUserId,
|
|
deviceId: account.device_id,
|
|
sessionStore: new matrix.WebStorageSessionStore(localStorage)
|
|
};
|
|
this.client = matrix.createClient(opts);
|
|
await this.client.initCrypto();
|
|
this.client.startClient({
|
|
initialSyncLimit: 0
|
|
});
|
|
this.client.once('sync', async (state, prevState, data) => {
|
|
_logger.default.log("info", `SYNC STATUS: ${state}`);
|
|
|
|
if (state === 'PREPARED') {
|
|
await this.deleteOldDevices();
|
|
await this.leaveEmptyRooms();
|
|
await this.trackJoinedRooms();
|
|
await this.setMembershipListeners();
|
|
await this.setMessageListeners();
|
|
}
|
|
});
|
|
} catch (err) {
|
|
this.handleBotCrash(undefined, err);
|
|
|
|
_logger.default.log("error", `ERROR INITIALIZING CLIENT: ${err}`);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
var _default = OcrccBot;
|
|
exports.default = _default; |