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@jwo

jwo/index.js

Created Oct 26, 2017
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What would you like to do?
Simple way to sign in with github for oAuth in Node/Express
const express = require("express")
const app = express()
var passport = require("passport")
var session = require("express-session")
var GitHubStrategy = require("passport-github2").Strategy
const GITHUB_CLIENT_ID = "your-client-id-here" // or get from process.env.GITHUB_CLIENT_ID
const GITHUB_CLIENT_SECRET = "your-client-secret-here" // or get from process.env.GITHUB_CLIENT_SECRET
const GITHUB_CALLBACK_URL = "http://localhost:5000/auth/github/callback" // or get from process.env.GITHUB_CALLBACK_URL
function ensureAuthenticated(req, res, next) {
if (req.isAuthenticated()) {
return next()
}
res.redirect("/login")
}
passport.serializeUser(function(user, done) {
done(null, user)
})
passport.deserializeUser(function(obj, done) {
done(null, obj)
})
passport.use(
new GitHubStrategy(
{
clientID: GITHUB_CLIENT_ID,
clientSecret: GITHUB_CLIENT_SECRET,
callbackURL: GITHUB_CALLBACK_URL
},
function(accessToken, refreshToken, profile, done) {
// asynchronous verification, for effect...
console.log({ accessToken, refreshToken, profile })
// an example of how you might save a user
// new User({ username: profile.username }).fetch().then(user => {
// if (!user) {
// user = User.forge({ username: profile.username })
// }
//
// user.save({ profile: profile, access_token: accessToken }).then(() => {
// return done(null, user)
// })
// })
}
)
)
app.use(
session({ secret: "keyboard cat", resave: false, saveUninitialized: false })
)
app.use(passport.initialize())
app.use(passport.session())
app.get("/", (req, res) => {
res.send("<a href='/secret'>Access Secret Area</a>")
})
app.get("/login", (req, res) => {
res.send("<a href='/auth/github'>Sign in With GitHub</a>")
})
app.get("/secret", ensureAuthenticated, (req, res) => {
res.send(`<h2>yo ${req.user}</h2>`)
})
app.get(
"/auth/github",
passport.authenticate("github", { scope: ["repo:status"] }), /// Note the scope here
function(req, res) { }
)
app.get(
"/auth/github/callback",
passport.authenticate("github", { failureRedirect: "/login" }),
function(req, res) {
res.redirect("/")
}
)
const port = process.env.PORT || 5000
app.listen(port, () => console.log(`listening on port ${port}`))
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