const express = require("express"); const passport = require("passport"); const DiscordStrategy = require("passport-discord").Strategy; const session = require("express-session"); // Create an Express application const app = express(); // Configure session middleware app.use( session({ secret: "your-secret-key", resave: false, saveUninitialized: false, }) ); // Initialize Passport and restore authentication state from session app.use(passport.initialize()); app.use(passport.session()); const CLIENT_ID = "1248515108410363946"; const CLIENT_SECRET = "GaAMI1vf6Q5tssu-hs_j73yk4xo6mvv_"; const CALLBACK_URL = "http://localhost:5000/auth/discord/callback"; const DISCORD_API_URL = "https://discord.com/api/v10"; var accessToken; // Configure the Discord strategy for use by Passport passport.use( new DiscordStrategy( { clientID: CLIENT_ID, clientSecret: CLIENT_SECRET, callbackURL: CALLBACK_URL, scope: ["identify", "email", "connections"], }, function (accessToken, refreshToken, profile, done) { return done(null, profile); } ) ); // Serialize and deserialize user information to support persistent login sessions passport.serializeUser((user, done) => { done(null, user); }); passport.deserializeUser((obj, done) => { done(null, obj); }); // Define the route for the home page app.get("/", (req, res) => { res.send('Log in with Discord'); }); // Define the route for initiating Discord authentication app.get("/auth/discord", passport.authenticate("discord")); // Define the route for handling the OAuth2 callback app.get( "/auth/discord/callback", passport.authenticate("discord", { failureRedirect: "/" }), (req, res) => { // res.redirect("/profile"); accessToken = req.user.accessToken; console.log("accessToken: " + JSON.stringify(accessToken)); res.send(`

You have been authenticated with this platform. You can close the window now.

`); } ); // Define the route for displaying the user profile app.get("/profile", async (req, res) => { if (!accessToken) { return res.status(400).send("Access token is required"); } try { const response = await fetch(DISCORD_API_URL + "/users/@me", { headers: { Authorization: `Bearer ${accessToken}`, }, }); if (!response.ok) { return res .status(response.status) .send("Failed to fetch user data from Discord"); } const userData = await response.json(); res.json(userData); } catch (error) { console.error("Error fetching user data:", error); res.status(500).send("Internal Server Error"); } }); // Fetch user's connections app.get("/connections", async (req, res) => { if (!accessToken) { return res.status(400).send("Access token is required"); } try { const response = await fetch(DISCORD_API_URL + "/users/@me/connections", { headers: { Authorization: `Bearer ${accessToken}`, }, }); console.log("response: " + JSON.stringify(response)); if (!response.ok) { return res .status(response.status) .send("Failed to fetch user connectins from Discord"); } const userData = await response.json(); res.json(userData); } catch (error) { console.error("Error fetching user data:", error); res.status(500).send("Internal Server Error"); } }); // Define the route for logging out app.get("/logout", (req, res) => { req.logout((err) => { accessToken = null; if (err) { return next(err); } }); }); // Start the server const PORT = 5000; app.listen(PORT, () => { console.log(`Server is running on http://localhost:${PORT}`); });

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