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/*
* Description: Make a user (spammer) dumb (mute)
* Author: simple
*/
import * as UAC from '../utility/UAC/_info';
import * as Invite from '../core/invite';
// module constructor
export function init(core) {
if (typeof core.muzzledHashes === 'undefined') {
core.muzzledHashes = {};
}
}
// module main
export async function run(core, server, socket, data) {
// increase rate limit chance and ignore if not admin or mod
if (!UAC.isModerator(socket.level)) {
return server.police.frisk(socket.address, 10);
}
// check user input
if (typeof data.nick !== 'string') {
return true;
}
// find target user
let badClient = server.findSockets({ channel: socket.channel, nick: data.nick });
if (badClient.length === 0) {
return server.reply({
cmd: 'warn',
text: 'Could not find user in channel',
}, socket);
}
[badClient] = badClient;
// likely dont need this, muting mods and admins is fine
if (badClient.level >= socket.level) {
return server.reply({
cmd: 'warn',
text: 'This trick wont work on users of the same level',
}, socket);
}
// store hash in mute list
const record = core.muzzledHashes[badClient.hash] = {
dumb: true,
};
// store allies if needed
if (data.allies && Array.isArray(data.allies)) {
record.allies = data.allies;
}
// notify mods
server.broadcast({
cmd: 'info',
text: `${socket.nick}#${socket.trip} muzzled ${data.nick} in ${socket.channel}, userhash: ${badClient.hash}`,
}, { level: UAC.isModerator });
return true;
}
// module hook functions
export function initHooks(server) {
server.registerHook('in', 'chat', this.chatCheck.bind(this), 10);
server.registerHook('in', 'invite', this.inviteCheck.bind(this), 10);
server.registerHook('in', 'whisper', this.whisperCheck.bind(this), 10);
}
// hook incoming chat commands, shadow-prevent chat if they are muzzled
export function chatCheck(core, server, socket, payload) {
if (typeof payload.text !== 'string') {
return false;
}
if (core.muzzledHashes[socket.hash]) {
// build fake chat payload
const mutedPayload = {
cmd: 'chat',
nick: socket.nick,
text: payload.text,
};
if (socket.trip) {
mutedPayload.trip = socket.trip;
}
// broadcast to any duplicate connections in channel
server.broadcast(mutedPayload, { channel: socket.channel, hash: socket.hash });
// broadcast to allies, if any
if (core.muzzledHashes[socket.hash].allies) {
server.broadcast(
mutedPayload,
{
channel: socket.channel,
nick: core.muzzledHashes[socket.hash].allies,
},
);
}
/**
* Blanket "spam" protection.
* May expose the ratelimiting lines from `chat` and use that
* @todo one day #lazydev
*/
server.police.frisk(socket.address, 9);
return false;
}
return payload;
}
// shadow-prevent all invites from muzzled users
export function inviteCheck(core, server, socket, payload) {
if (core.muzzledHashes[socket.hash]) {
const nickValid = Invite.checkNickname(payload.nick);
if (nickValid !== null) {
server.reply({
cmd: 'warn',
text: nickValid,
}, socket);
return false;
}
// generate common channel
const channel = Invite.getChannel();
// send fake reply
server.reply(Invite.createSuccessPayload(payload.nick, channel), socket);
return false;
}
return payload;
}
// shadow-prevent all whispers from muzzled users
export function whisperCheck(core, server, socket, payload) {
if (typeof payload.nick !== 'string') {
return false;
}
if (typeof payload.text !== 'string') {
return false;
}
if (core.muzzledHashes[socket.hash]) {
const targetNick = payload.nick;
server.reply({
cmd: 'info',
type: 'whisper',
text: `You whispered to @${targetNick}: ${payload.text}`,
}, socket);
// blanket "spam" protection, may expose the ratelimiting lines from `chat` and use that, TODO: one day #lazydev
server.police.frisk(socket.address, 9);
return false;
}
return payload;
}
export const requiredData = ['nick'];
export const info = {
name: 'dumb',
description: 'Globally shadow mute a connection. Optional allies array will see muted messages.',
usage: `
API: { cmd: 'dumb', nick: '<target nick>', allies: ['<optional nick array>', ...] }`,
};
info.aliases = ['muzzle', 'mute'];
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