From 709af8007db0964a0e0b291325a916b2ae6366d6 Mon Sep 17 00:00:00 2001 From: Clayton Wilson Date: Mon, 23 Sep 2019 21:18:33 -0400 Subject: [PATCH] Added the FBAuth middleman function for authentication. --- .gitignore | 3 ++ functions/index.js | 35 +++++++++++++ functions/package-lock.json | 97 +++++++++---------------------------- 3 files changed, 62 insertions(+), 73 deletions(-) diff --git a/.gitignore b/.gitignore index f626852..8955a6b 100644 --- a/.gitignore +++ b/.gitignore @@ -63,3 +63,6 @@ node_modules/ # dotenv environment variables file .env + +# The keyfile for google services authentication +twistter-e4649-firebase-adminsdk-pgjve-1e57494429.json \ No newline at end of file diff --git a/functions/index.js b/functions/index.js index 7d1be81..9130d2f 100644 --- a/functions/index.js +++ b/functions/index.js @@ -3,6 +3,7 @@ const functions = require('firebase-functions'); const admin = require('firebase-admin'); const app = require('express')(); admin.initializeApp(); +const db = admin.firestore(); const firebaseConfig = { apiKey: "AIzaSyCvsWetg4qFdsPGfJ3LCw_QaaYzoan7Q34", @@ -13,9 +14,42 @@ const firebaseConfig = { messagingSenderId: "20131817365", appId: "1:20131817365:web:633c95fb08b16d4526b89c" }; + const firebase = require('firebase'); firebase.initializeApp(firebaseConfig); +// Acts as a middleman between the client and any function that you use it with +// The function will only execute if the user is logged in, or rather, they have +// a valid token +const FBAuth = (req, resp, next) => { + let idToken; + + if (req.headers.authorization && req.headers.authorization.startsWith('Bearer ')) { + idToken = req.headers.authorization.split('Bearer ')[1]; + } else { + console.error('No token found'); + return resp.status(403).json({ error: 'Unauthorized' }); + } + + admin.auth().verifyIdToken(idToken) + .then(decodedToken => { + req.user = decodedToken; + console.log(decodedToken); + return db.collection('users') + .where('userId', '==', req.user.uid) + .limit(1) + .get(); + }) + .then(data => { + req.user.handle = data.docs[0].data().handle; + return next(); + }) + .catch(err => { + console.error('Error verifying token', err); + return res.status(403).json(err); + }) +} + app.get('/getUsers', (req, res) => { admin.firestore().collection('users').get().then(data => { let users = []; @@ -40,4 +74,5 @@ app.post('/postUser', (req, res) => { console.error(err); }); }); + exports.api = functions.https.onRequest(app); \ No newline at end of file diff --git a/functions/package-lock.json b/functions/package-lock.json index fa269b2..a23d4aa 100644 --- a/functions/package-lock.json +++ b/functions/package-lock.json @@ -256,8 +256,7 @@ "@google-cloud/promisify": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-1.0.2.tgz", - 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