2022-06-23 00:32:51 +08:00
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<title>JSDoc: Source: core/join.js</title>
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<div id="main">
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<h1 class="page-title">Source: core/join.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>/* eslint no-param-reassign: 0 */
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/**
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* @author Marzavec ( https://github.com/marzavec )
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* @summary Join target channel
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* @version 1.0.0
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* @description Join the target channel using the supplied nick and password
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* @module join
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*/
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import {
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canJoinChannel,
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socketInChannel,
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} from '../utility/_Channels.js';
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import {
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Errors,
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} from '../utility/_Constants.js';
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import {
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upgradeLegacyJoin,
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legacyLevelToLabel,
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} from '../utility/_LegacyFunctions.js';
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import {
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verifyNickname,
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getUserPerms,
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getUserDetails,
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} from '../utility/_UAC.js';
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/**
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* Executes when invoked by a remote client
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* @param {Object} env - Enviroment object with references to core, server, socket & payload
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* @public
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* @return {void}
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*/
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export async function run({
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core, server, socket, payload,
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}) {
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// check for spam
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2023-12-27 16:26:49 +08:00
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if (server.police.frisk(socket, 3)) {
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2022-06-23 00:32:51 +08:00
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return server.reply({
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cmd: 'warn',
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text: 'You are joining channels too fast. Wait a moment and try again.',
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id: Errors.Join.RATELIMIT,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// `join` is the legacy entry point, check if it needs to be upgraded
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if (typeof socket.hcProtocol === 'undefined') {
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payload = upgradeLegacyJoin(server, socket, payload);
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}
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// store payload values
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const { channel, nick, pass } = payload;
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// check if a client is able to join target channel
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const mayJoin = canJoinChannel(channel, socket);
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if (mayJoin !== true) {
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return server.reply({
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cmd: 'warn',
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text: 'You may not join that channel.',
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id: mayJoin,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// calling socket already in a channel
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// @todo multichannel update, will remove
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if (typeof socket.channel !== 'undefined') {
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return server.reply({
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cmd: 'warn', // @todo Remove this
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text: 'Joining more than one channel is not currently supported',
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id: Errors.Join.ALREADY_JOINED,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// end todo
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// validates the user input for `nick`
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if (verifyNickname(nick, socket) !== true) {
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return server.reply({
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cmd: 'warn',
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text: 'Nickname must consist of up to 24 letters, numbers, and underscores',
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id: Errors.Join.INVALID_NICK,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// get trip and level
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2023-12-22 15:14:03 +08:00
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const { trip, level } = getUserPerms(pass, core.config, channel);
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2022-06-23 00:32:51 +08:00
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// store the user values
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const userInfo = {
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nick,
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trip,
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uType: legacyLevelToLabel(level),
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hash: socket.hash,
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level,
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userid: socket.userid,
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isBot: socket.isBot,
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color: socket.color,
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channel,
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};
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2023-12-22 15:14:03 +08:00
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// prevent admin impersonation
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if (nick.toLowerCase() === core.config.adminName.toLowerCase()) {
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if (userInfo.trip !== 'Admin') {
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userInfo.nick = `Fake${userInfo.nick}`;
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}
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}
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2022-06-23 00:32:51 +08:00
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// check if the nickname already exists in the channel
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const userExists = server.findSockets({
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channel,
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nick: (targetNick) => targetNick.toLowerCase() === userInfo.nick.toLowerCase(),
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});
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if (userExists.length > 0) {
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// that nickname is already in that channel
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return server.reply({
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cmd: 'warn',
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text: 'Nickname taken',
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id: Errors.Join.NAME_TAKEN,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// prepare to notify channel peers
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const newPeerList = server.findSockets({ channel });
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const nicks = []; /* @legacy */
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const users = [];
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const joinAnnouncement = { ...{ cmd: 'onlineAdd' }, ...userInfo };
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// send join announcement and prep online set reply
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for (let i = 0, l = newPeerList.length; i < l; i += 1) {
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server.reply(joinAnnouncement, newPeerList[i]);
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nicks.push(newPeerList[i].nick); /* @legacy */
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users.push({
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...{
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channel,
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isme: false,
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},
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...getUserDetails(newPeerList[i]),
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});
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}
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// store user info
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socket.nick = userInfo.nick;
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socket.trip = userInfo.trip;
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socket.level = userInfo.level;
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socket.uType = userInfo.uType; /* @legacy */
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socket.channel = channel; /* @legacy */
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// @todo multi-channel patch
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// socket.channels.push(channel);
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nicks.push(userInfo.nick); /* @legacy */
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users.push({ ...{ isme: true, isBot: socket.isBot }, ...userInfo });
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// reply with channel peer list
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server.reply({
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cmd: 'onlineSet',
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nicks, /* @legacy */
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users,
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channel, // @todo Multichannel (?)
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}, socket);
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// stats are fun
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core.stats.increment('users-joined');
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return true;
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}
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export function restoreJoin({
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server, socket, channel,
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}) {
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// check if a client is able to join target channel
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const mayJoin = canJoinChannel(channel, socket);
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if (mayJoin !== true) {
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return server.reply({
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cmd: 'warn',
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text: 'You may not join that channel.',
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id: mayJoin,
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channel: false, // @todo Multichannel, false for global event
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}, socket);
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}
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// store the user values
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const userInfo = {
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nick: socket.nick,
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trip: socket.trip,
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uType: legacyLevelToLabel(socket.level),
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hash: socket.hash,
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level: socket.level,
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userid: socket.userid,
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isBot: socket.isBot,
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color: socket.color,
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channel,
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};
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// prepare to notify channel peers
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const newPeerList = server.findSockets({ channel });
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const nicks = []; /* @legacy */
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const users = [];
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const joinAnnouncement = { ...{ cmd: 'onlineAdd' }, ...userInfo };
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// build update notice with new privileges
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const updateAnnouncement = {
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...getUserDetails(socket),
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...{
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cmd: 'updateUser',
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online: true,
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},
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};
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const isDuplicate = socketInChannel(server, channel, socket);
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// send join announcement and prep online set reply
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for (let i = 0, l = newPeerList.length; i < l; i += 1) {
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if (isDuplicate) {
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server.reply(updateAnnouncement, newPeerList[i]);
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} else {
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server.reply(joinAnnouncement, newPeerList[i]);
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}
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nicks.push(newPeerList[i].nick); /* @legacy */
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users.push({
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...{
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channel,
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isme: false,
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},
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...getUserDetails(newPeerList[i]),
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});
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}
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nicks.push(userInfo.nick); /* @legacy */
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users.push({ ...{ isme: true, isBot: socket.isBot }, ...userInfo });
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// reply with channel peer list
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server.reply({
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cmd: 'onlineSet',
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nicks, /* @legacy */
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users,
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channel, // @todo Multichannel (?)
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}, socket);
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return true;
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}
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/**
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* Module meta information
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* @public
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* @typedef {Object} join/info
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* @property {string} name - Module command name
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* @property {string} category - Module category name
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* @property {string} description - Information about module
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* @property {string} usage - Information about module usage
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*/
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export const info = {
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name: 'join',
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category: 'core',
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description: 'Join the target channel using the supplied nick and password',
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usage: `
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API: { cmd: 'join', nick: '<your nickname>', pass: '<optional password>', channel: '<target channel>' }`,
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};
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</code></pre>
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</article>
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</section>
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</div>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-addmod.html">addmod</a></li><li><a href="module-ban.html">ban</a></li><li><a href="module-changecolor.html">changecolor</a></li><li><a href="module-changenick.html">changenick</a></li><li><a href="module-chat.html">chat</a></li><li><a href="module-disconnect.html">disconnect</a></li><li><a href="module-dumb.html">dumb</a></li><li><a href="module-emote.html">emote</a></li><li><a href="module-forcecolor.html">forcecolor</a></li><li><a href="module-help.html">help</a></li><li><a href="module-invite.html">invite</a></li><li><a href="module-join.html">join</a></li><li><a href="module-kick.html">kick</a></li><li><a href="module-listusers.html">listusers</a></li><li><a href="module-morestats.html">morestats</a></li><li><a href="module-ping.html">ping</a></li><li><a href="module-reload.html">reload</a></li><li><a href="module-removemod.html">removemod</a></li><li><a href="module-saveconfig.html">saveconfig</a></li><li><a href="module-session.html">session</a></li><li><a href="module-shout.html">shout</a></li><li><a href="module-socketreply.html">socketreply</a></li><li><a href="module-speak.html">speak</a></li><li><a href="module-stats.html">stats</a></li><li><a href="module-unban.html">unban</a></li><li><a href="module-unbanall.html">unbanall</a></li><li><a href="module-whisper.html">whisper</a></li></ul>
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<br class="clear">
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<footer>
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2023-12-22 15:14:03 +08:00
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Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.10</a> on Thu May 05 2022 00:29:35 GMT-0700 (Pacific Daylight Time)
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2022-06-23 00:32:51 +08:00
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<script> prettyPrint(); </script>
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<script src="scripts/linenumber.js"> </script>
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