const express = require("express"), router = express.Router(), Discord = require("discord.js"); const fetch = require("node-fetch"), btoa = require("btoa"); // Gets login page router.get("/login", async function(req, res) { if (!req.user || !req.user.id || !req.user.guilds) return res.redirect(`https://discordapp.com/api/oauth2/authorize?client_id=${req.client.user.id}&scope=identify%20guilds&response_type=code&redirect_uri=${encodeURIComponent(req.client.config.dashboard.baseURL+"/api/callback")}&state=${req.query.state || "no"}`); res.redirect("/selector"); }); router.get("/callback", async (req, res) => { if (!req.query.code) return res.redirect(req.client.config.dashboard.failureURL); if (req.query.state && req.query.state.startsWith("invite")) { if (req.query.code) { const guildID = req.query.state.substr("invite".length, req.query.state.length); req.client.knownGuilds.push({ id: guildID, user: req.user.id }); return res.redirect("/manage/"+guildID); }; }; const redirectURL = req.client.states[req.query.state] || "/selector"; const params = new URLSearchParams(); params.set("grant_type", "authorization_code"); params.set("code", req.query.code); params.set("redirect_uri", `${req.client.config.dashboard.baseURL}/api/callback`); let response = await fetch("https://discord.com/api/oauth2/token", { method: "POST", body: params.toString(), headers: { Authorization: `Basic ${btoa(`${req.client.user.id}:${req.client.config.dashboard.secret}`)}`, "Content-Type": "application/x-www-form-urlencoded" } }); // Fetch tokens (used to fetch user informations) const tokens = await response.json(); // If the code isn't valid if (tokens.error || !tokens.access_token) return res.redirect(`/api/login&state=${req.query.state}`); const userData = { infos: null, guilds: null }; while (!userData.infos || !userData.guilds) { /* User infos */ if (!userData.infos) { response = await fetch("http://discordapp.com/api/users/@me", { method: "GET", headers: { Authorization: `Bearer ${tokens.access_token}` } }); const json = await response.json(); if (json.retry_after) await req.client.wait(json.retry_after); else userData.infos = json; }; /* User guilds */ if (!userData.guilds) { response = await fetch("https://discordapp.com/api/users/@me/guilds", { method: "GET", headers: { Authorization: `Bearer ${tokens.access_token}` } }); const json = await response.json(); if (json.retry_after) await req.client.wait(json.retry_after); else userData.guilds = json; }; }; /* Change format (from "0": { data }, "1": { data }, etc... to [ { data }, { data } ]) */ const guilds = []; for (const guildPos in userData.guilds) guilds.push(userData.guilds[guildPos]); // Update session req.session.user = { ... userData.infos, ... { guilds } }; const user = await req.client.users.fetch(req.session.user.id); const userDB = await req.client.findOrCreateUser(req.session.user.id); const logsChannel = req.client.channels.cache.get(req.client.config.dashboard.logs); if (!userDB.logged && logsChannel && user) { const embed = new Discord.MessageEmbed() .setAuthor(user.username, user.displayAvatarURL()) .setColor("#DA70D6") .setDescription(req.client.translate("dashboard:FIRST_LOGIN", { user: user.tag })); logsChannel.send(embed); userDB.logged = true; userDB.save(); }; res.redirect(redirectURL); }); module.exports = router;