server.js

/*


Las funciones ejecutarAsync y loadPlugins me ayudó ChatGPT a hacerlas




*/
import express from 'express';
import fs from 'fs';
import wweb from 'whatsapp-web.js';
import {Client} from 'whatsapp-web.js';
import {exec} from 'child_process';
import { MongoStore } from 'wwebjs-mongo';
import mongoose from 'mongoose';
import path from 'path';
const app = express();

async function ejecutarAsync(codigo, client, msg, ...args) {
    let result;
    try {
        // Creamos una funcion asíncrona que ejecuta el codigo dentro de un contexto seguro
        const asyncFunction = async (client, msg, ...args) => {
            let capturedOutput = ''; // Variable para capturar la salida
            
            // Redirigir la salida estandar temporalmente para capturarla
            const originalWrite = process.stdout.write;
            process.stdout.write = (message, encoding, callback) => {
                capturedOutput += message.toString();
                if (callback) callback();
                return true;
            };

            // Ejecutar el codigo
            await eval(`(async () => { ${codigo} })()`);

            // Restaurar la funcion original de process.stdout.write
            process.stdout.write = originalWrite;

            return capturedOutput.trim(); // Devolver la salida capturada
        };

        // Ejecutamos la funcion asíncrona con los parametros especificados
        result = await asyncFunction(client, msg, ...args);
    } catch (error) {
        result=error.toString();
    }

    return result;
}

// Configuracion
const PORT = 7860;
const HOST = '0.0.0.0';
const PREFIX=process.env.prefix;
const clientid="Main";
const delay = ms => new Promise(resolve => setTimeout(resolve, ms));
function between(min, max) {  
  return Math.floor(
    Math.random() * (max - min) + min
  );
};

const generateAlphanumericString = (length) => {
  const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  let result = '';

  for (let i = 0; i < length; i++) {
    result += characters.charAt(Math.floor(Math.random() * characters.length));
  }

  return result;
};
let special = {
  between:between,
  generateAlphanumericString:generateAlphanumericString,
  delay:delay,
  prefix:PREFIX
};
function loadPlugins(client, app, special, callback) {
  console.log("Cargando Plugins");

  fs.readdir('./plugins', (err, files) => {
    if (err) {
      console.error('Error al leer el directorio de plugins:', err);
      callback([]);
      return;
    }

    let modules = [];
    let count = files.length;

    if (count === 0) {
      callback(modules);
      return;
    }

    files.forEach(file => {
      console.log(`Cargando ${file}`);
      import('./plugins/' + file).then(m => {
        modules.push(m.default(client, app, special));
        count--;

        if (count === 0) {
          callback(modules);
        }
      }).catch(err => {
        console.error(`Error al importar ${file}:`, err);
        count--;

        if (count === 0) {
          callback(modules); // Llamar al callback incluso si hay errores
        }
      });
    });
  });
}
function parseComando(comando){
return `${PREFIX}${comando.name} ${(comando.args!=undefined)?comando.args.join("|"):""} - ${comando.description}\n`;

}
function parseModuleComandos(module){
  let msg=""
  msg+=`●${(module.name==undefined)?"?":module.name}●\n`;
  module.comandos.forEach(comando=>{
      msg+="> "+parseComando(comando)+"\n";
  });
  return msg;
}
function main(client){
loadPlugins(client,app,special,(modules)=>{
client.on('message_create', async msg => {
       let texto=msg.body.toString();
       if(msg.fromMe){
         //console.log(texto,texto.startsWith('!'),texto.startsWith('!gen '));
        if(texto.startsWith(`${PREFIX}exec `)){
          texto=texto.slice(PREFIX.length+5);
          await delay(3000);
          let te=await ejecutarAsync(texto,client,msg);
          if (te){
          await delay(3000);
          await msg.reply(te);
          }
        }else if(texto==`${PREFIX}help`){
         let mess="Comandos:\n";
         try{
         let modu=modules.map((module)=>parseModuleComandos(module));
         mess+=modu.join("\n");
         mess+=`\n[] parametros obligatorios () parametros opcionales`;
         await msg.reply(mess);
         }catch(e){console.log(e)}
        };
         
       }
  });
});
}
function loadNormal(){
  console.log("Corriendo Normal")
  const client = new Client({
        puppeteer: {
        args: ['--no-sandbox', '--disable-setuid-sandbox']
        }
      });
  client.initialize();
  main(client);
}
function loadMongo(){
  console.log("Corriendo MongoDB")
  mongoose.connect(process.env.db).then(()=>{
  const store=new MongoStore({mongoose: mongoose });
  const client = new Client({
        puppeteer: {
        args: ['--no-sandbox', '--disable-setuid-sandbox'],
        },
        authStrategy: new wweb.RemoteAuth({
            store: store,
            clientId: clientid,
            backupSyncIntervalMs: 300000
        })
  });
  client.initialize();
  main(client);
  });
}
if(process.env.db!=undefined){ //Chequear si usar mongodb
loadMongo();
}else{
loadNormal();
}
app.listen(PORT, HOST, () => {
    if (HOST == '0.0.0.0') {
        console.log(`Ejecutando en http://127.0.0.1:${PORT}`);
    } else {
        console.log(`Ejecutando en http://${HOST}:${PORT}`);
    }
    
});