add firebase-admin in backend, endpoint expose for current user and recieve token from frontend and get user info from firebase-admin

Author: oahmedqureshi

.gitignore

@@ -3,3 +3,4 @@ node_modules
 dist
 dist-ssr
 *.local
+backend/firebase/serviceAccountKey.json

backend/controllers/userControllers.js

@@ -0,0 +1,46 @@
+const firebaseAdmin = require('../firebase')
+
+const UserControllers = (
+    function() {
+
+        const currentUser = async (req, res) => {
+            console.log('req.headers: ', req.headers.token);
+            try {
+                const firebaseUser = await firebaseAdmin.auth().verifyIdToken(req.headers.token)
+                
+                console.log('req: ', firebaseUser);
+                res.json(firebaseUser)
+
+
+            } catch (error) {
+                res.status(401).json({
+                    error
+                })
+            }
+            // const userInfo = await req.oidc.fetchUserInfo()
+            
+            // const user = await User.findOne({auth0Id: req.oidc.user.sub})
+            // if(user) {
+            //     console.log('User exist')
+            // } else {
+            //     console.log('New User')
+            //     const oidcUserInfo = {
+            //         auth0Id: req.oidc.user.sub,
+            //         firstName: req.oidc.user.given_name,
+            //         lastName: req.oidc.user.family_name,
+            //         fullName: req.oidc.user.name,
+            //         picture: req.oidc.user.picture,
+            //         email: req.oidc.user.email
+            //     }
+            //     new User(oidcUserInfo).save()
+            // }
+            
+        }
+
+        return {
+            currentUser
+        }
+    }
+)()
+
+module.exports = UserControllers

backend/firebase/index.js

@@ -0,0 +1,10 @@
+
+const firebaseAdmin = require("firebase-admin");
+
+const serviceAccount = require("./serviceAccountKey.json");
+
+firebaseAdmin.initializeApp({
+  credential: firebaseAdmin.credential.cert(serviceAccount)
+});
+
+module.exports = firebaseAdmin