208 lines
9.0 KiB
JavaScript
208 lines
9.0 KiB
JavaScript
import { promises } from "fs";
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import database from "../utils/database.js";
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import { log, error as _error } from "../utils/logger.js";
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import { prefixCache, aliases, disabledCache, disabledCmdCache, commands } from "../utils/collections.js";
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import parseCommand from "../utils/parseCommand.js";
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import { clean } from "../utils/misc.js";
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// run when someone sends a message
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export default async (client, cluster, worker, ipc, message) => {
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// ignore other bots
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if (message.author.bot) return;
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// don't run command if bot can't send messages
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if (message.channel.guild && !message.channel.permissionsOf(client.user.id).has("sendMessages")) return;
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let prefixCandidate;
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let guildDB;
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if (message.channel.guild) {
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const cachedPrefix = prefixCache.get(message.channel.guild.id);
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if (cachedPrefix) {
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prefixCandidate = cachedPrefix;
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} else {
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guildDB = await database.getGuild(message.channel.guild.id);
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if (!guildDB) {
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guildDB = await database.fixGuild(message.channel.guild);
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}
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prefixCandidate = guildDB.prefix;
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prefixCache.set(message.channel.guild.id, guildDB.prefix);
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}
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}
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let prefix;
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let isMention = false;
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if (message.channel.guild) {
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const user = message.channel.guild.members.get(client.user.id);
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if (message.content.startsWith(user.mention)) {
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prefix = `${user.mention} `;
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isMention = true;
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} else if (message.content.startsWith(`<@${client.user.id}>`)) { // workaround for member.mention not accounting for both mention types
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prefix = `<@${client.user.id}> `;
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isMention = true;
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} else {
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prefix = prefixCandidate;
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}
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} else {
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prefix = process.env.PREFIX;
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}
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// ignore other stuff
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if (!message.content.startsWith(prefix)) return;
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// separate commands and args
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const replace = isMention ? `@${(message.channel.guild ? message.channel.guild.members.get(client.user.id).nick : client.user.username) ?? client.user.username} ` : prefix;
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const content = message.cleanContent.substring(replace.length).trim();
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const rawContent = message.content.substring(prefix.length).trim();
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const preArgs = content.split(/\s+/g);
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preArgs.shift();
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const command = rawContent.split(/\s+/g).shift().toLowerCase();
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const parsed = parseCommand(preArgs);
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const aliased = aliases.get(command);
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// don't run if message is in a disabled channel
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if (message.channel.guild) {
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const disabled = disabledCache.get(message.channel.guild.id);
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if (disabled) {
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if (disabled.includes(message.channel.id) && command != "channel") return;
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} else {
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guildDB = await database.getGuild(message.channel.guild.id);
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disabledCache.set(message.channel.guild.id, guildDB.disabled);
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if (guildDB.disabled.includes(message.channel.id) && command !== "channel") return;
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}
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const disabledCmds = disabledCmdCache.get(message.channel.guild.id);
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if (disabledCmds) {
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if (disabledCmds.includes(aliased ?? command)) return;
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} else {
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guildDB = await database.getGuild(message.channel.guild.id);
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disabledCmdCache.set(message.channel.guild.id, guildDB.disabled_commands ?? guildDB.disabledCommands);
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if ((guildDB.disabled_commands ?? guildDB.disabledCommands).includes(aliased ?? command)) return;
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}
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}
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// check if command exists and if it's enabled
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const cmd = commands.get(aliased ?? command);
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if (!cmd) return;
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// block certain commands from running in DMs
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if (!cmd.directAllowed && !message.channel.guild) return;
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// actually run the command
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log("log", `${message.author.username} (${message.author.id}) ran classic command ${command}`);
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const reference = {
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messageReference: {
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channelID: message.channel.id,
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messageID: message.id,
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guildID: message.channel.guild ? message.channel.guild.id : undefined,
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failIfNotExists: false
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},
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allowedMentions: {
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repliedUser: false
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}
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};
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try {
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await database.addCount(aliases.get(command) ?? command);
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const startTime = new Date();
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// eslint-disable-next-line no-unused-vars
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const commandClass = new cmd(client, cluster, worker, ipc, { type: "classic", message, args: parsed._, content: message.content.substring(prefix.length).trim().replace(command, "").trim(), specialArgs: (({ _, ...o }) => o)(parsed) }); // we also provide the message content as a parameter for cases where we need more accuracy
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const result = await commandClass.run();
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const endTime = new Date();
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if ((endTime - startTime) >= 180000) reference.allowedMentions.repliedUser = true;
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if (typeof result === "string") {
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reference.allowedMentions.repliedUser = true;
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await client.createMessage(message.channel.id, Object.assign({
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content: result
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}, reference));
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} else if (typeof result === "object" && result.embeds) {
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await client.createMessage(message.channel.id, Object.assign(result, reference));
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} else if (typeof result === "object" && result.file) {
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let fileSize = 8388119;
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if (message.channel.guild) {
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switch (message.channel.guild.premiumTier) {
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case 2:
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fileSize = 52428308;
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break;
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case 3:
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fileSize = 104856616;
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break;
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}
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}
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if (result.file.length > fileSize) {
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if (process.env.TEMPDIR && process.env.TEMPDIR !== "") {
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const filename = `${Math.random().toString(36).substring(2, 15)}.${result.name.split(".")[1]}`;
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await promises.writeFile(`${process.env.TEMPDIR}/${filename}`, result.file);
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const imageURL = `${process.env.TMP_DOMAIN || "https://tmp.projectlounge.pw"}/${filename}`;
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await client.createMessage(message.channel.id, Object.assign({
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embeds: [{
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color: 16711680,
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title: "Here's your image!",
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url: imageURL,
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image: {
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url: imageURL
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},
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footer: {
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text: "The result image was more than 8MB in size, so it was uploaded to an external site instead."
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},
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}]
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}, reference));
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if (process.env.THRESHOLD) {
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process.env.DIRSIZECACHE += result.file.length;
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if (process.env.DIRSIZECACHE > process.env.THRESHOLD) {
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const files = (await promises.readdir(process.env.TEMPDIR)).map((file) => {
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return promises.stat(`${process.env.TEMPDIR}/${file}`).then((stats) => {
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return {
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name: file,
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size: stats.size,
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ctime: stats.ctime
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};
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});
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});
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const resolvedFiles = await Promise.all(files);
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process.env.DIRSIZECACHE = resolvedFiles.reduce((a, b)=>{
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return a + b.size;
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}, 0);
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const oldestFiles = resolvedFiles.sort((a, b) => a.ctime - b.ctime);
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while (process.env.DIRSIZECACHE > process.env.THRESHOLD) {
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await promises.rm(`${process.env.TEMPDIR}/${oldestFiles[0].name}`);
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process.env.DIRSIZECACHE -= oldestFiles[0].size;
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log(`Removed oldest image file: ${oldestFiles[0].name}`);
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oldestFiles.shift();
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}
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}
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}
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} else {
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await client.createMessage(message.channel.id, "The resulting image was more than 8MB in size, so I can't upload it.");
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}
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} else {
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await client.createMessage(message.channel.id, Object.assign({
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content: result.text ? result.text : undefined
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}, reference), result);
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}
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}
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} catch (error) {
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if (error.toString().includes("Request entity too large")) {
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await client.createMessage(message.channel.id, Object.assign({
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content: "The resulting file was too large to upload. Try again with a smaller image if possible."
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}, reference));
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} else if (error.toString().includes("Job ended prematurely")) {
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await client.createMessage(message.channel.id, Object.assign({
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content: "Something happened to the image servers before I could receive the image. Try running your command again."
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}, reference));
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} else if (error.toString().includes("Timed out")) {
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await client.createMessage(message.channel.id, Object.assign({
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content: "The request timed out before I could download that image. Try uploading your image somewhere else or reducing its size."
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}, reference));
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} else {
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_error(`Error occurred with command message ${message.cleanContent}: ${typeof error === "object" ? JSON.stringify(error) : error.toString()}`);
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try {
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await client.createMessage(message.channel.id, Object.assign({
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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>"
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}, reference), [{
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file: `Message: ${await clean(error)}\n\nStack Trace: ${await clean(error.stack)}`,
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name: "error.txt"
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}]);
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} catch { /* silently ignore */ }
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}
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}
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};
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