mrmBot-Matrix/events/messageCreate.js

170 lines
7.4 KiB
JavaScript

const fs = require("fs");
const fetch = require("node-fetch");
const database = require("../utils/database.js");
const logger = require("../utils/logger.js");
const collections = require("../utils/collections.js");
const parseCommand = require("../utils/parseCommand.js");
const { clean } = require("../utils/misc.js");
// run when someone sends a message
module.exports = async (client, cluster, worker, ipc, message) => {
// ignore other bots
if (message.author.bot) return;
// don't run command if bot can't send messages
if (message.channel.guild && !message.channel.permissionsOf(client.user.id).has("sendMessages")) return;
let prefixCandidate;
let guildDB;
if (message.channel.guild) {
const cachedPrefix = collections.prefixCache.get(message.channel.guild.id);
if (cachedPrefix) {
prefixCandidate = cachedPrefix;
} else {
guildDB = await database.getGuild(message.channel.guild.id);
if (!guildDB) {
guildDB = await database.fixGuild(message.channel.guild);
}
prefixCandidate = guildDB.prefix;
collections.prefixCache.set(message.channel.guild.id, guildDB.prefix);
}
}
let prefix;
let isMention = false;
if (message.channel.guild) {
const user = message.channel.guild.members.get(client.user.id);
if (message.content.startsWith(user.mention)) {
prefix = `${user.mention} `;
isMention = true;
} else if (message.content.startsWith(`<@${client.user.id}>`)) { // workaround for member.mention not accounting for both mention types
prefix = `<@${client.user.id}> `;
isMention = true;
} else {
prefix = prefixCandidate;
}
} else {
prefix = "";
}
// ignore other stuff
if (!message.content.startsWith(prefix)) return;
// separate commands and args
const replace = isMention ? `@${client.user.username} ` : prefix;
const content = message.cleanContent.substring(replace.length).trim();
const rawContent = message.content.substring(prefix.length).trim();
const preArgs = content.split(/\s+/g);
preArgs.shift();
const command = rawContent.split(/\s+/g).shift().toLowerCase();
const parsed = parseCommand(preArgs);
const aliased = collections.aliases.get(command);
// don't run if message is in a disabled channel
if (message.channel.guild) {
const disabled = collections.disabledCache.get(message.channel.guild.id);
if (disabled) {
if (disabled.includes(message.channel.id) && command != "channel") return;
} else {
guildDB = await database.getGuild(message.channel.guild.id);
collections.disabledCache.set(message.channel.guild.id, guildDB.disabled);
if (guildDB.disabled.includes(message.channel.id) && command !== "channel") return;
}
const disabledCmds = collections.disabledCmdCache.get(message.channel.guild.id);
if (disabledCmds) {
if (disabledCmds.includes(aliased ? aliased : command)) return;
} else {
guildDB = await database.getGuild(message.channel.guild.id);
collections.disabledCmdCache.set(message.channel.guild.id, guildDB.disabled_commands ? guildDB.disabled_commands : guildDB.disabledCommands);
if ((guildDB.disabled_commands ? guildDB.disabled_commands : guildDB.disabledCommands).includes(aliased ? aliased : command)) return;
}
}
// check if command exists and if it's enabled
const cmd = aliased ? collections.commands.get(aliased) : collections.commands.get(command);
if (!cmd) return;
// actually run the command
logger.log("log", `${message.author.username} (${message.author.id}) ran command ${command}`);
const reference = {
messageReference: {
channelID: message.channel.id,
messageID: message.id,
guildID: message.channel.guild ? message.channel.guild.id : undefined,
failIfNotExists: false
},
allowedMentions: {
repliedUser: false
}
};
try {
await database.addCount(collections.aliases.has(command) ? collections.aliases.get(command) : command);
const startTime = new Date();
// eslint-disable-next-line no-unused-vars
const commandClass = new cmd(client, cluster, worker, ipc, message, parsed._, message.content.substring(prefix.length).trim().replace(command, "").trim(), (({ _, ...o }) => o)(parsed)); // we also provide the message content as a parameter for cases where we need more accuracy
const result = await commandClass.run();
const endTime = new Date();
if ((endTime - startTime) >= 180000) reference.allowedMentions.repliedUser = true;
if (typeof result === "string") {
reference.allowedMentions.repliedUser = true;
await client.createMessage(message.channel.id, Object.assign({
content: result
}, reference));
} else if (typeof result === "object" && result.embed) {
await client.createMessage(message.channel.id, Object.assign(result, reference));
} else if (typeof result === "object" && result.file) {
if (result.file.length > 8388119 && process.env.TEMPDIR !== "") {
const filename = `${Math.random().toString(36).substring(2, 15)}.${result.name.split(".")[1]}`;
await fs.promises.writeFile(`${process.env.TEMPDIR}/${filename}`, result.file);
const imageURL = `${process.env.TMP_DOMAIN == "" ? "https://tmp.projectlounge.pw" : process.env.TMP_DOMAIN}/${filename}`;
try {
await fetch(imageURL);
} catch {
// this is here to make sure the image is properly cached by discord
}
await client.createMessage(message.channel.id, Object.assign({
embed: {
color: 16711680,
title: "Here's your image!",
url: imageURL,
image: {
url: imageURL
},
footer: {
text: "The result image was more than 8MB in size, so it was uploaded to an external site instead."
},
}
}, reference));
} else {
await client.createMessage(message.channel.id, Object.assign({
content: result.text ? result.text : undefined
}, reference), result);
}
}
} catch (error) {
if (error.toString().includes("Request entity too large")) {
await client.createMessage(message.channel.id, Object.assign({
content: "The resulting file was too large to upload. Try again with a smaller image if possible."
}, reference));
} else if (error.toString().includes("Job ended prematurely")) {
await client.createMessage(message.channel.id, Object.assign({
content: "Something happened to the image servers before I could receive the image. Try running your command again."
}, reference));
} else if (error.toString().includes("Timed out")) {
await client.createMessage(message.channel.id, Object.assign({
content: "The request timed out before I could download that image. Try uploading your image somewhere else or reducing its size."
}, reference));
} else {
logger.error(`Error occurred with command message ${message.cleanContent}: ${error.toString()}`);
try {
await client.createMessage(message.channel.id, Object.assign({
content: "Uh oh! I ran into an error while running this command. Please report the content of the attached file at the following link or on the esmBot Support server: <https://github.com/esmBot/esmBot/issues>"
}, reference), [{
file: `Message: ${await clean(error)}\n\nStack Trace: ${await clean(error.stack)}`,
name: "error.txt"
}]);
} catch { /* silently ignore */ }
}
}
};