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Merge pull request #13 from HackGT/authentication
Implement OAuth authentication with GitHub, Google, and Facebook
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@@ -38,4 +38,5 @@ jspm_packages | |
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| *.js | ||
| *.js.map | ||
| .vscode/ | ||
| .vscode/ | ||
| server/config/config.json | ||
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| @@ -0,0 +1,21 @@ | ||
| { | ||
| "secrets": { | ||
| "session": "", | ||
| "github": { | ||
| "id": "", | ||
| "secret": "" | ||
| }, | ||
| "google": { | ||
| "id": "", | ||
| "secret": "" | ||
| }, | ||
| "facebook": { | ||
| "id": "", | ||
| "secret": "" | ||
| } | ||
| }, | ||
| "server": { | ||
| "isProduction": true | ||
| }, | ||
| "admins": ["example@example.com"] | ||
| } |
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| import * as fs from "fs"; | ||
| import * as crypto from "crypto"; | ||
| import * as path from "path"; | ||
| import * as express from "express"; | ||
| import * as session from "express-session"; | ||
| import * as connectMongo from "connect-mongo"; | ||
| const MongoStore = connectMongo(session); | ||
| import * as passport from "passport"; | ||
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| import { | ||
| mongoose, PORT, COOKIE_OPTIONS | ||
| } from "../common"; | ||
| import { | ||
| Config, | ||
| IUser, IUserMongoose, User | ||
| } from "../schema"; | ||
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| // Passport authentication | ||
| import {app} from "../app"; | ||
| const GitHubStrategy = require("passport-github2").Strategy; // No type definitions available yet for this module (or for Google) | ||
| const GoogleStrategy = require("passport-google-oauth20").Strategy; | ||
| import {Strategy as FacebookStrategy} from "passport-facebook"; | ||
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| let config: Config | null = null; | ||
| try { | ||
| config = JSON.parse(fs.readFileSync(path.resolve(__dirname, "../config", "config.json"), "utf8")); | ||
| } | ||
| catch (err) { | ||
| if (err.code !== "ENOENT") | ||
| throw err; | ||
| } | ||
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| const BASE_URL: string = (config && config.server.isProduction) ? "https://registration.hack.gt" : `http://localhost:${PORT}`; | ||
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| // GitHub | ||
| const GITHUB_CLIENT_ID: string | null = process.env.GITHUB_CLIENT_ID || (config && config.secrets.github.id); | ||
| const GITHUB_CLIENT_SECRET: string | null = process.env.GITHUB_CLIENT_SECRET || (config && config.secrets.github.secret); | ||
| if (!GITHUB_CLIENT_ID || !GITHUB_CLIENT_SECRET) { | ||
| throw new Error("GitHub client ID or secret not configured in config.json or environment variables"); | ||
| } | ||
| const GITHUB_CALLBACK_HREF: string = "auth/github/callback"; | ||
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| const GOOGLE_CLIENT_ID: string | null = process.env.GOOGLE_CLIENT_ID || (config && config.secrets.google.id); | ||
| const GOOGLE_CLIENT_SECRET: string | null = process.env.GOOGLE_CLIENT_SECRET || (config && config.secrets.google.secret); | ||
| if (!GOOGLE_CLIENT_ID || !GOOGLE_CLIENT_SECRET) { | ||
| throw new Error("Google client ID or secret not configured in config.json or environment variables"); | ||
| } | ||
| const GOOGLE_CALLBACK_HREF: string = "auth/google/callback"; | ||
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| const FACEBOOK_CLIENT_ID: string | null = process.env.FACEBOOK_CLIENT_ID || (config && config.secrets.facebook.id); | ||
| const FACEBOOK_CLIENT_SECRET: string | null = process.env.FACEBOOK_CLIENT_SECRET || (config && config.secrets.facebook.secret); | ||
| if (!FACEBOOK_CLIENT_ID || !FACEBOOK_CLIENT_SECRET) { | ||
| throw new Error("Facebook client ID or secret not configured in config.json or environment variables"); | ||
| } | ||
| const FACEBOOK_CALLBACK_HREF: string = "auth/facebook/callback"; | ||
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| if (!config || !config.server.isProduction) { | ||
| console.warn("OAuth callback(s) running in development mode"); | ||
| } | ||
| if (!config || !config.secrets.session) { | ||
| console.warn("No session secret set; sessions won't carry over server restarts"); | ||
| } | ||
| app.use(session({ | ||
| secret: (config && config.secrets.session) || crypto.randomBytes(32).toString("hex"), | ||
| cookie: COOKIE_OPTIONS, | ||
| resave: false, | ||
| store: new MongoStore({ | ||
| mongooseConnection: mongoose.connection, | ||
| touchAfter: 24 * 60 * 60 // Check for TTL every 24 hours at minimum | ||
| }), | ||
| saveUninitialized: true | ||
| })); | ||
| passport.serializeUser<IUser, string>((user, done) => { | ||
| done(null, user._id); | ||
| }); | ||
| passport.deserializeUser<IUser, string>((id, done) => { | ||
| User.findById(id, (err, user) => { | ||
| done(err, user); | ||
| }); | ||
| }); | ||
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| function useLoginStrategy(strategy: any, dataFieldName: "githubData" | "googleData" | "facebookData", options: { clientID: string; clientSecret: string; callbackURL: string; profileFields?: string[] }) { | ||
| passport.use(new strategy(options, async (accessToken, refreshToken, profile, done) => { | ||
| let email = profile.emails[0].value; | ||
| let user = await User.findOne({"email": email}); | ||
| let isAdmin = false; | ||
| if (config && config.admins.indexOf(email) !== -1) { | ||
| isAdmin = true; | ||
| if (!user || !user.admin) | ||
| console.info(`Adding new admin: ${email}`); | ||
| } | ||
| if (!user) { | ||
| user = new User({ | ||
| "email": email, | ||
| "name": profile.displayName, | ||
| "admin": isAdmin | ||
| }); | ||
| user[dataFieldName].id = profile.id; | ||
| if (dataFieldName === "githubData") { | ||
| user[dataFieldName].username = profile.username; | ||
| user[dataFieldName].profileUrl = profile.profileUrl; | ||
| } | ||
| await user.save(); | ||
| done(null, user); | ||
| } | ||
| else { | ||
| if (!user[dataFieldName].id) { | ||
| user[dataFieldName].id = profile.id; | ||
| } | ||
| if (dataFieldName === "githubData" && (!user.githubData.username || !user.githubData.profileUrl)) { | ||
| user[dataFieldName].username = profile.username; | ||
| user[dataFieldName].profileUrl = profile.profileUrl; | ||
| } | ||
| if (!user.admin && isAdmin) { | ||
| user.admin = true; | ||
| } | ||
| await user.save(); | ||
| done(null, user); | ||
| } | ||
| })); | ||
| } | ||
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| useLoginStrategy(GitHubStrategy, "githubData", { | ||
| clientID: GITHUB_CLIENT_ID, | ||
| clientSecret: GITHUB_CLIENT_SECRET, | ||
| callbackURL: `${BASE_URL}/${GITHUB_CALLBACK_HREF}` | ||
| }); | ||
| useLoginStrategy(GoogleStrategy, "googleData", { | ||
| clientID: GOOGLE_CLIENT_ID, | ||
| clientSecret: GOOGLE_CLIENT_SECRET, | ||
| callbackURL: `${BASE_URL}/${GOOGLE_CALLBACK_HREF}` | ||
| }); | ||
| useLoginStrategy(FacebookStrategy, "facebookData", { | ||
| clientID: FACEBOOK_CLIENT_ID, | ||
| clientSecret: FACEBOOK_CLIENT_SECRET, | ||
| callbackURL: `${BASE_URL}/${FACEBOOK_CALLBACK_HREF}`, | ||
| profileFields: ["id", "displayName", "email"] | ||
| }); | ||
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| app.use(passport.initialize()); | ||
| app.use(passport.session()); | ||
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| export let authRoutes = express.Router(); | ||
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| function addAuthenticationRoute(serviceName: string, scope: string[]) { | ||
| authRoutes.get(`/${serviceName}`, passport.authenticate(serviceName, { scope: scope })); | ||
| authRoutes.get(`/${serviceName}/callback`, passport.authenticate(serviceName, { failureRedirect: "/login" }), (request, response) => { | ||
| // Successful authentication, redirect home | ||
| response.redirect("/"); | ||
| }); | ||
| } | ||
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| addAuthenticationRoute("github", ["user:email"]); | ||
| addAuthenticationRoute("google", ["email"]); | ||
| addAuthenticationRoute("facebook", ["email"]); | ||
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| authRoutes.all("/logout", (request, response) => { | ||
| request.logout(); | ||
| response.redirect("/login"); | ||
| }); |
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