old-automod/bot/src/bot/modules/event_handler.ts
2022-05-03 14:52:07 +02:00

118 lines
4.8 KiB
TypeScript

import { ulid } from "ulid";
import { client, dbs } from "../..";
import Infraction from "../../struct/antispam/Infraction";
import InfractionType from "../../struct/antispam/InfractionType";
import { BLACKLIST_BAN_REASON, BLACKLIST_MESSAGE } from "../commands/admin/botadm";
import logger from "../logger";
import { hasPermForChannel, storeInfraction } from "../util";
import { DEFAULT_PREFIX } from "./command_handler";
// Listen to system messages
client.on('message', async message => {
if (typeof message.content != 'object') {
// reply to 74
if (message.author_id == '01FCXF8V6RDKHSQ3AHJ410AASX' && message.content == 'we do a little') {
try {
message.reply('shut the fuck up');
} catch(e) { console.error(e) }
}
return;
}
let sysMsg = message.asSystemMessage;
switch(sysMsg.type) {
case 'user_kicked':
case 'user_banned':
try {
let recentEvents = await dbs.INFRACTIONS.findOne({
date: { $gt: Date.now() - 30000 },
user: sysMsg.user?._id,
server: message.channel!.server_id!,
actionType: sysMsg.type == 'user_kicked' ? 'kick' : 'ban',
});
if (!message.channel ||
!sysMsg.user ||
recentEvents) return;
storeInfraction({
_id: ulid(),
createdBy: sysMsg.by?._id,
reason: 'Unknown reason (caught system message)',
date: message.createdAt,
server: message.channel!.server_id,
type: InfractionType.Manual,
user: sysMsg.user!._id,
actionType: sysMsg.type == 'user_kicked' ? 'kick' : 'ban',
} as Infraction).catch(console.warn);
} catch(e) { console.error(e) }
break;
case 'user_joined': {
if (!sysMsg.user) break;
try {
const [ serverConfig, userConfig ] = await Promise.all([
dbs.SERVERS.findOne({ id: message.channel!.server_id! }),
dbs.USERS.findOne({ id: sysMsg.user._id }),
]);
if (userConfig?.globalBlacklist && !serverConfig?.allowBlacklistedUsers) {
const server = message.channel?.server;
if (server && server.havePermission('BanMembers')) {
await server.banUser(sysMsg.user._id, { reason: BLACKLIST_BAN_REASON });
if (server.system_messages?.user_banned) {
const channel = server.channels.find(c => c?._id == server.system_messages?.user_banned);
if (channel && channel.havePermission('SendMessage')) {
await channel.sendMessage(BLACKLIST_MESSAGE(sysMsg.user.username));
}
}
}
}
} catch(e) {
console.error(''+e);
}
break;
};
case 'user_left' : break;
}
});
// Send a message when added to a server
client.on('member/join', (member) => {
if (member._id.user != client.user?._id) return;
let url = `https://rvembed.janderedev.xyz/embed`
+ `?title=${encodeURIComponent('Hi there, thanks for adding me!')}`
+ `&description=${encodeURIComponent(`My prefix is "${DEFAULT_PREFIX}", `
+ `but you can also @mention me instead.\nCheck out ${DEFAULT_PREFIX}help to get started!`)}`
+ `&link=${encodeURIComponent(`/bot/${client.user._id}`)}`
+ `&redir=${encodeURIComponent(`https://github.com/janderedev/revolt-automod`)}`
+ `&color=${encodeURIComponent("#ff6e6d")}`
+ `&image=${encodeURIComponent(client.user.generateAvatarURL({ size: 128 }))}`
+ `&image_large=false`;
if (!member.server) return;
let channels = member.server.channels.filter(
c => c
&& c.channel_type == 'TextChannel'
&& hasPermForChannel(member, c, 'SendMessage')
&& hasPermForChannel(member, c, 'SendEmbeds')
);
// Attempt to find an appropriate channel, otherwise use the first one available
let channel = channels.find(c => c?.name?.toLowerCase() == 'welcome')
|| channels.find(c => c?.name?.toLowerCase() == 'general')
|| channels.find(c => c?.name?.toLowerCase() == 'bots')
|| channels.find(c => c?.name?.toLowerCase() == 'spam')
|| channels[0];
if (!channel) return logger.debug('Cannot send hello message: No suitable channel found');
channel.sendMessage(`[:wave:](${url} "Hi there!")`)
.catch(e => logger.debug('Cannot send hello message: ' + e));
});