initial-setup for github signin

backend/src/routes/v1/auth.ts

@@ -1,10 +1,66 @@
 import express from "express";
 const router = express.Router();
 import { body } from "express-validator";
+import passport from "passport";
 import { requireAuth, validateRequest } from "../../middleware";
 import { authController } from "../../controllers/v1";
 import { authLimiter } from "../../helpers/rateLimiter";
 import { AUTH_MODE_JWT } from "../../variables";
+import { User, AuthProvider } from '../../models';
+import { createToken } from '../../helpers/auth';
+import { getJwtProviderAuthLifetime, getJwtProviderAuthSecret } from '../../config';
+import { ssoController } from "../../ee/controllers/v1";
+
+var GitHubStrategy = require('passport-github').Strategy;
+passport.use(new GitHubStrategy({
+  passReqToCallback: true,
+  clientID: process.env['CLIENT_ID_GITHUB_LOGIN'],
+  clientSecret: process.env['CLIENT_SECRET_GITHUB'],
+  callbackURL: "/api/v1/auth/github/callback"
+},
+async (req : express.Request, accessToken : any, refreshToken : any, profile : any, cb : any) => {
+  const email = profile.emails[0].value;
+  let user = await User.findOne({
+    email
+  });
+  if (!user) {
+    user = await new User({
+      email: email,
+      authProvider: AuthProvider.GITHUB,
+      authId: profile.id,
+      firstName: profile.displayName,
+    }).save();
+  }
+  const isUserCompleted = true;
+  const providerAuthToken = createToken({
+    payload: {
+      userId: profile.id.toString(),
+      email: email,
+      isUserCompleted,
+      ...(req.query.state ? {
+        callbackPort: req.query.state as string
+      } : {})
+    },
+    expiresIn: await getJwtProviderAuthLifetime(),
+    secret: await getJwtProviderAuthSecret(),
+  });
+  req.isUserCompleted = isUserCompleted;
+  req.providerAuthToken = providerAuthToken;
+  return cb(null, profile);
+}
+));
+
+router.get('/github', passport.authenticate('github', { failureRedirect: '/login/provider/error', session: false }), ssoController.redirectSSO);
+
+router.get('/github/callback', 
+passport.authenticate('github', { failureRedirect: '/login/provider/error', session: false }
+),
+function(req, res, next) {
+  // Successful authentication, redirect home.
+  console.log("github success");
+  res.redirect(`/login/sso?token=${encodeURIComponent(req.providerAuthToken)}`);
+  next();
+});
 
 router.post("/token", validateRequest, authController.getNewToken);