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/*
Description: Allows calling client to change their current nickname
*/
// module support functions
const verifyNickname = (nick) => /^[a-zA-Z0-9_]{1,24}$/.test(nick);
// module main
exports.run = async (core, server, socket, data) => {
if (server._police.frisk(socket.remoteAddress, 6)) {
return server.reply({
cmd: 'warn',
text: 'You are changing nicknames too fast. Wait a moment before trying again.'
}, socket);
}
// verify user data is string
if (typeof data.nick !== 'string') {
return;
}
// make sure requested nickname meets standards
let newNick = data.nick.trim();
if (!verifyNickname(newNick)) {
return server.reply({
cmd: 'warn',
text: 'Nickname must consist of up to 24 letters, numbers, and underscores'
}, socket);
}
// prevent admin impersonation
// TODO: prevent mod impersonation
if (newNick.toLowerCase() == core.config.adminName.toLowerCase()) {
server._police.frisk(socket.remoteAddress, 4);
return server.reply({
cmd: 'warn',
text: 'You are not the admin, liar!'
}, socket);
}
// find any sockets that have the same nickname
let userExists = server.findSockets({
channel: socket.channel,
nick: (targetNick) => targetNick.toLowerCase() === newNick.toLowerCase()
});
// return error if found
if (userExists.length > 0) {
// That nickname is already in that channel
return server.reply({
cmd: 'warn',
text: 'Nickname taken'
}, socket);
}
// build join and leave notices
let leaveNotice = {
cmd: 'onlineRemove',
nick: socket.nick
};
let joinNotice = {
cmd: 'onlineAdd',
nick: newNick,
trip: socket.trip || 'null',
hash: socket.hash
};
// broadcast remove event and join event with new name, this is to support legacy clients and bots
server.broadcast( leaveNotice, { channel: socket.channel });
server.broadcast( joinNotice, { channel: socket.channel });
// notify channel that the user has changed their name
server.broadcast( {
cmd: 'info',
text: `${socket.nick} is now ${newNick}`
}, { channel: socket.channel });
// commit change to nickname
socket.nick = newNick;
};
// module meta
exports.requiredData = ['nick'];
exports.info = {
name: 'changenick',
description: 'This will change your current connections nickname',
usage: `
API: { cmd: 'changenick', nick: '<new nickname>' }`
};
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