We'll be using the Vue 3 composition API extensively in this tutorial and we'll also want to make sure we enable the Vue router so we can create different pages. The only difference, for now, between Register.jsx and Login.jsx is the title and the message in the end. Just clone the repository from here and switch to the ui-only branch. After clicking, a setup wizard will come and you will be asked to enter your application details. In the project console, we are going to choose both Authentication and Firestore. So today lets create a React application where we use firebase authentication and router guards. I am naming it as Authentication. and after all that we can now click on the span elements to be redirected to the specific pages. Yes, you are right! In this case the access was not allowed and, in the console we see the message "user not found" which is exactly what is happening now. We can add a computed property here to check if a user is logged in or not since firebase will return null if a user is not authenticated. After that, click on the toggle button to enable the Github Auth. I am going to say yes; Choose the Firebase account to the Google Analytics. Next, open the Firebase console and click Add Project.Give your project a name, preferably okta-firebase.For now, you can turn off the analytics and create the project. You can use email, passwords, phone numbers, and identity providers like Google and Facebook. In order to do that, we create a new folder into the src that I will call views and inside of it create the folder Login with the files index.jsx and Login.jsx according to the following image. I hope this article was a good read for you and you learned something new today. . A store is the complete state tree of the application. It is a state container holding the applications state. Well, actually it's not difficult. We'll call the useAuthState hook we created earlier to check if the user is authenticated. Now, let's go to the Register page and type an email and password and see what happens. Firebase has updated its JavaScript SDK recently. The store use its reducing function with the current state and the given action to return a new state. Firebase/Firestore. We'll call the useAuthState hook we created earlier to check if the user is authenticated. This is going to be a view where only authorized users can access after his credentials are accepted by our application. For our React app, we are going to use NPM. Everything is working fine, but what is Firestore doing exactly? Remark: In real word applications we can use this errorCode to show good messages to the user. That's the page you will see. In your project src, create a new file firebase.js and copy your Firebase config information. and use it in the span element with the onClick prop. And that's what we are going to do in the next section. We'll also create an auth context for holding the state of the current user signed in. When the user will click the Login button, the form will trigger a submit event and loginUser will be called. As credentials we can consider the e-mail and password. Then add the application name and click Register app. Oh, I play Chess too! We'll also create a button that will call the auth signout function. But, for now, we just have the id of the user who access the Home Page through the AuthContext. Plus, thanks to the author of this post for writing this infomercial. The signup is going to be very similar. So, as we can see, if an already registered user try to register again, the promise resolves negatively and since we create the console.log(errorCode) inside the catch function, it show exactly why. I have already created the UI for this project for you to use. I have a community over on discord if you'd like to learn more. In this case, the firebase authentication shows us that the e-mail is already in use so it does not register the user again. And this is not what we want. Hey! Choose if you want Google Analytics or not. Inside the pages directory, we have a file called Signup.js where all of the UI is ready with form handling. Enter a project name, enable/disable Google Analytics and click create project. After that, click Save. Firebase Authentication provides backend services & easy-to-use SDKs to authenticate users to your app. We can always code some components out of the blue, but if you are not focused on what you are doing, it is easy to waste a lot of time. Login view. If the user is not registered, we expect the access will be forbidden. In the end, the handleSubmit function of the Login page needs to check if the user is already registered, and, if so, allows the access to the Home page. Otherwise a memory leak :p, // if the user is authenticated, then return the children (Home Component), // otherwise, Redirect component with redirection to /, github.com/rehan-sattar/firebase-auth-sdk-9. Once the Vue project is set up we will also need to install firebase beta to get access to Firestore version 9 API. That's exactly what we wanted. Fullstack developer creating youtube and opensource projects. And that's because we didn't call it for anything, actually. In order to to that, we import BrowserRouter as Router, Routes and Route from the library. When the user clicks the submit button, we'll grab those two values from the form element and pass them into the signInWithEmailAndPassword function. Now, we just need to get the data from Firestore inside the Home Page. If the user signs in is successfully they will automatically get redirect to the home page. Now, we need to destructure the getAuth that we imported. Templates let you quickly answer FAQs or store snippets for re-use. In our App.js we'll need to add our routing option and link these to each of our pages. Authentication is one of those things that just always seems to take a lot more effort than we want it to, yet it's always a feature every website needs. <>. After the installation, run npm start or yarn start to start the development build. Now move to the settings of the project, the second icon in the left bar, scroll down and you will find some important keys that you will have to import in your React application. We'll also create a button that will call the auth signout function. code of conduct because it is harassing, offensive or spammy. In the src directory of our React app, create a firebase.js file and add the following imports: // src/firebase.js import { initializeApp } from 'firebase/app' import {getAuth} from 'firebase/auth' Write the name of your project according to your preference, and click continue. We'll need to set up a firebase project to get started. It is maintained by Meta (formerly Facebook) and a community of individual developers and companies. After you finished with three steps you will be redirected to the screen which looks like on the picture below. Once unpublished, all posts by vcnsiqueira will become hidden and only accessible to themselves. If the user signs in is successfully they will automatically get redirect to the home page. To implement this feature, first, we have to get the authentication state of the user either it's logged in or logged out. Thanks for keeping DEV Community safe. With you every step of your journey. But, think about it. The signup page is also going to be very similar, we'll create another form that asks for their email and password. Firebase provides us much better errors if anything went wrong. Now it's time to set the authorization of our pages. First you have to install npm files in your node modules by. Finally, we have the home page. We will write all the logic inside this function for signup. For further actions, you may consider blocking this person and/or reporting abuse. &quot;NativeFirebaseError: [auth/unknown] An internal. It is maintained by Google and it is a very useful platform where you can develop scalable projects. Continue with the next setup and complete the wizard. I'm assuming that you know how to work with context, but if you don't, I suggest this link where I explain how to use it. Next.js Firebase FirebaseTOPFirebaseFirebase This will be useful when we start creating components. First, let's create another method in our useFirebaseAuth hook for signing. In that page, we click to add a new project. The returned value is considered to be next state. If vcnsiqueira is not suspended, they can still re-publish their posts from their dashboard. On the next screen, firebase will ask if you want analytics or not. Unfortunately most of the guides online for setting up Firebase are for version 8, which works quite differently - in this article I'll show you how to set up version 9. This image could be a good app structure if you want to create a Form component and a Message Component. One for signing up, another for logging, and a home page that is only accessible if the user is authenticated. What have we done? In order to do this, we move to Login.jsx file, import the loginUser. Again, since we are considering e-mail and password as credentials, this view is going to have a form with the desired e-mail and password the user wants to register himself. We'll also need to enable the auth options before we start building anything. To protect our routes we'll create a custom component which Ill call AuthenticatedRoute. To do this we can simply create a promise the resolves or rejects once the onAuthStateChanged function has been called. Both the setup step and, more importantly, the maintenance over time, are handled with modern platforms like Firebase. Now that you have done that, move back to the firebase.js and change the firebase keys using the environment variables. Remark: Do not forget to include your .env file into your gitignore file. In Register component, we put the message to the user sign in if he already has an account. Firebase makes this process super easy. Now, changing the url in the browser adding '/register' in the end will take us to the Register page, and, changing it to '/home' will take us to the Home page, Now, almost everything is fine but the links to change from the Login page to the Register page are still not working. Well, that will work, but that creates a bitter feeling that both e-mail and password are worthless, right? Then we have three simple steps: After that, your project will be created in Firebase. Now we will load this file inside src/index.js. Thanks for keeping DEV Community safe. // remove the listener when the component is unmounted. If they are logged in they'll see a list of conversations on the left and a chatting interface on the right. Lets also add a signout button, that when called will sign the user out and redirect them to the login page. If we wanted to redirect to a specific URL we could call the useLocation hook from the react router and push a path onto it. Today we'll create both a React and Vue application where we use firebase authentication with router guards to allow users to sign in with a custom email address. In the project console, we are going to choose both Authentication and Firestore. User Authentication with React, Node.js, and Firebase | JavaScript in Plain English 500 Apologies, but something went wrong on our end. If the REACT_APP_ prefix is not there, CRA will not pick it. To protect our routes we'll create a custom component which Ill call AuthenticatedRoute. First, let's move to the firebase.js file and import the signout from firebase/auth, and create in the end the logoutUser function, Now we just import the logoutUser function in the Home Page and call it in the created Logout button. But there is one improvement that we can do in order to improve the quality of code and reusability. So, move to https://firebase.google.com/ in your browser. Redux can have only a single store in an application. In both cases for creating the app, we'll need to set up a firebase project. Guys, there is new competitor in the town Supabase. We'll also need a way to get the current user logged in through a promise. Adding authentication and access control to your application doesn't have to be a hassle. The first one we will create is for handling authentication. Enable the Sign-In method that you want to use in Authentication. For more information we recommend the Firebase documentation that tells us to define an observer to identify if the user is authenticated or not. With you every step of your journey. It takes the auth object in parameters and returns an authenticated user object. You can write the name of your app and register it. Right, but how do we know if a user is authenticated or not? The component root of the project is going to be the App component. Firebase is awesome. Remark: I have used inline css in order to create a very simple style to the component. Get the currently signed-in user The. Inside the .env.local, we have to prefix every environment variable with REACT_APP_. We have covered almost everything that you need to bootstrap your authentication with React using the Firebase Authentication service. In order to do that we will use the create react app boilerplate. If they are authenticated we'll render the page, otherwise, we'll redirect them to the login page. Are you sure you want to hide this comment? When users visit the chat-app homepage: if they are not logged in, they'll be presented with a sign up form. The Firebase platform provides powerful libraries that let us easily integrate authentication into our projects. we can use both properties to handle the errors. We have to protect it and only allow the authenticated users to see it. You can read the documentation of the firebase from here. To do this, follow these steps: Go to your Firebase Project dashboard and click on the Authentication tab on the sidebar. Firebase provides authentication services that allow you to easily register and sign-in users. In the new release, they have introduced a new modular API, which enables tree-shaking, bundle size reduction, and other benefits. By the Redux documentation, a "slice" is a collection of Redux reducer logic and actions for a single feature in your app. After login, go to console and click New Project. Firebase provides 2 options to install it to our application - NPM and <script> tag. And we use signInWithEmailAndPassword and createUserWithEmailAndPassword for Signing in and Registering using the email and password, respectively. The state will be a user when logged in and null when logged out. React Firebase . import { initializeApp } from "firebase/app"; import { GoogleAuthProvider, getAuth, signInWithPopup, signInWithEmailAndPassword, createUserWithEmailAndPassword, sendPasswordResetEmail, signOut, } from "firebase/auth"; import { getFirestore, query . I strongly recommend you not to use css inline as I am doing here but instead use css modules or styled components, for example. Congratulations, we have both signup and login functionalities in place now. The CLI outputs the Issuer and Client ID. Ah-ha! It will have a total of 3 pages. This component is going to manage the routes of the application. Now we can implement the PrivateRoute component with the help of our useFirebaseAuth hook. These files will be almost exactly the same from those from Login Page as we can see below. and call it inside the previous created handleSubmit function. I would suggest you add better error handling but this should work well for this tutorial. Context in react is a tool that allows you to share state throughout the whole react component without having to pass it down by props. To finish, we have to call this handleRegister into the submit button by calling it on the onClick props. I am not going to do it, because I want to keep things simple. Templates let you quickly answer FAQs or store snippets for re-use. One could easily maintain auth and database on supabase while host and serve functions on netlify. We still did not block the Home Page to unauthenticated users, but we are on our way to do it. Actually, with this actual approach, the user does not need to fill out his e-mail and password to access the Home page. So, go to your terminal and type, After the installation is completed, move to the App and change the entire code of it by the following. Installing Firebase. We start doing de same by creating a new folder named Home inside views with the files index.jsx and Home.jsx. Emmanuel Unyime. onAuthStateChanged is an observer on the firebase auth object. Verified by a badge. Made with love and Ruby on Rails. This takes care of our react integration now let's move on to my personal favorite, Vue. In our case the returning value is the new state object. I strongly recommend you to create a specific alert component to show the message to the user, but we are not doing it here. Head over to Firebase and create a new application. Now, we can use this hook inside our Signup.js without creating auth instance. We'll also create a button that will call the auth signout function. We start with the Login Page. We will write all the authentication logic inside this hook and expose a simple API for our components to use. We're a place where coders share, stay up-to-date and grow their careers. We'll start with login, which will be a simple form that accepts two user inputs. I recommend you add better error handling here but I'm going to wrap this in a try-catch statement and alert the user with any error messages. Inside this file, we have a simple UI for the login screen. Now, there is one thing missing. Unflagging vcnsiqueira will restore default visibility to their posts. This listener is automatically called whenever the user is logged in or logged out. After that, your project will be created in Firebase. This will listen to auth state changes and assign the value to a user reactive variable. And as a bonus, we will also cover error handling and private routing for protecting the routes. Instead, we can initialize a Context Provider, pass in our state as value, and then we can access it anywhere by calling useContext with our context object. The signup page is also going to be very similar, we'll create another form that asks for their email and password. Now, if we try to access the home page by the url route, the application will not allow us to do that and the Home Page is only accessed by authenticated users. Import the necessary elements from react-redux in your App.js file. code of conduct because it is harassing, offensive or spammy. How to upload images on firebase storage and firestore using react native expo| #reactnative #firebasestorage#firebase image uploading in react nativeInstall. Now, remember that we need to do two different things: register a new user and sign in a user. So today we'll create both a React and Vue application where we use firebase authentication and router guards and allow users to sign in with a custom email address. Pretty good! Create another folder inside the src directory and name it hooks and create a new file useFirebaseAuth.js inside it. Firebase Auth6 . ', // User is signed in, see docs for a list of available properties, // https://firebase.google.com/docs/reference/js/firebase.User. For the home page we'll dispaly a welcome message with the users email. In this tutorial we are going to understand how to use Firebase V9 to both setting up the authentication for your application and use the Firestore database to manage additional information about the users. ', 'The email you have provided is not registered yet. After it, firebase will generate a configuration for your application. Photo by .css-1wbll7q{-webkit-text-decoration:underline;text-decoration:underline;}Markus Spiske on Unsplash, .css-y5tg4h{width:1.25rem;height:1.25rem;margin-right:0.5rem;opacity:0.75;fill:currentColor;}.css-r1dmb{width:1.25rem;height:1.25rem;margin-right:0.5rem;opacity:0.75;fill:currentColor;}7 min read. // after success, push the user to the main screen. Are you sure you want to hide this comment? It's not too difficult to set up a project with Firebase and use its features (Firestore and Firebase authentication) to handle user authentication and authorization with React! Create React App will automatically pick it. We're a place where coders share, stay up-to-date and grow their careers. Hello everyone, In this article, we are going to learn about Authentication in React using the new Firebase JS SDK. In the modal, under Secure rules for Cloud Firestore, click Start in test mode. I encourage you to do that because I think it makes you more focused on what you really have to do. So, this view will have a form with both e-mail and password inputs. I recommend you add better error handling here but I'm going to wrap this in a try-catch statement and alert the user with any error messages. .css-y5tg4h{width:1.25rem;height:1.25rem;margin-right:0.5rem;opacity:0.75;fill:currentColor;}.css-r1dmb{width:1.25rem;height:1.25rem;margin-right:0.5rem;opacity:0.75;fill:currentColor;}11 min read, Subscribe to my newsletter and never miss my upcoming articles. The documentation is also updated concerning this new release. After including the authentication, we can improve it. If you like my work, please do support me with reacting, commenting, and sharing this article. Since the App component will be responsible to manage which page to be rendered, we now need the React Router library to create the specific routes. Well, let's change this. I have a community over on discord if you'd like to learn more. And how Firebase facilitates us in managing the authentication state over the application. Otherwise, the user is redirected to the Login Page. The react-router-dom library gives us, out of the blue, the hability to manage routes and, that way, the application know which component must render. Now, let's go through each page and those up. Let's get started with the most popular option, React. Before try it, move to the Firestore console, access the tab Rules and change the code inside of it to the following (specially if you select the production mode during configuration). For getting the authentication state, firebase provides us a listener called onAuthStateChanged. Go to your Firebase Console dashboard, click on Project Settings, scroll down, and you should see something like this: Click on the third icon (</>) to configure our Firebase project for the web. It will, again, return an error saying that the e-mail is invalid. In this case, we will need to use the useNavigate hook provided by the react-router-dom library. This component is similar to the logic above expect we will only want to render the component if the user is not authenticated. Let's change this. To start we'll create a firebase helper file called firebase.js. All rights reserved. DEV Community 2016 - 2022. Click the icon for creating a new web application inside your project. We can get the user using the useAuthState hook we created eailer. // create user on firebase with email and password and pass the auth instance to it. I want to build a messaging web app using the technologies outlined in the title of the job post. I'm choosing the default one. Next, I'll create a firebase.js file to set up and initialize our firebase application. It's also worth mentioning, you might want to add a loading sign-on in your app while the auth check is being run. However, doing this won't protect our routes from unauthenticated users. firebase.google.com Most upvoted and relevant comments will be first. React, React-hook Typescript . Here is how to install the Firebase package as a module . . For those who does not, Firebase is a Backend-as-a-service platform that provides several tools to developers, like authentication, database, storage, hosting, test lab, notification, among others. Once it's successful the user will be considered logged in and will automatically be redirected to the home page. You can also create new password-authenticated users from the Authentication section of the Firebase console, on the Users page, or by using the Admin SDK. Once unpublished, all posts by jsbroks will become hidden and only accessible to themselves. Setting up Firebase First, you need to create a Firebase account at https://firebase.google.com/ and go to the Firebase console at https://console.firebase.google.com. FirebaseFirestore Cloud Firestore // create new state for checking if the user is authenticated or not. First, let's create a new component ErrorDialog for presenting the errors. As I said earlier, we will use the Google Firebase to do that. It will have a total of 3 pages. Now, let's try the application. In this tutorial, you will learn how you can use Firebase Authentication in React to authenticate users using an email and password. It will have a total of 3 pages, one for signing up, another for logging, and a home page that is only accessible if the user is authenticated. We'll grab the username and password from the form which we'll pass into the signInWithEmailAndPassword function and then redirect the user to the home page using the router. We have signInInWithEmailAndPassword for login, let's use it inside of our Login component. // create a global instance for all the methods of authentication. If we get a user back, we send its information on the state with our store method dispatch and the action login. Create your userSlice.js file features/userSlice.js. Initialize your application and import the authentication components from firebase/auth Once unsuspended, vcnsiqueira will be able to comment and publish posts again. In order to do that, we first need to include a button in the Home Page so the user can logout. For further actions, you may consider blocking this person and/or reporting abuse. Reading the Firestore documentation we just import db from configs/firebase.js and doc and getDoc from firebase/firestore and use the useEffect hook to get this information from firestore every time any change happens in the component. Go back to the project settings and you should now see a config like this: Copy the config. Go to the Firebase Console and click Add project. So let's also create some functions we use in our Vue application. Refresh the page, check Medium 's site status, or find something interesting to read. One for signing up, another for logging, and a home page that is only accessible if the user is authenticated. We want that the Home Page to be accessed only if the user is authenticated. We have the three basic functionalities of authentication ready. So, if you want to keep your keys protected, it's a good idea to create a .env file in the root of your project, paste these important keys there, include the .env file in your gitignore file and call the keys as React environment variables inside firebase.js file. In the new release, they have introduced a new modular API, which enables tree-shaking, bundle size reduction, and other benefits. Now, click on the Get started button, then click on the Sign-In Method tab, and then select the GitHub Sign-in provider. Once suspended, jsbroks will not be able to comment or publish posts until their suspension is removed. Usually slices are a single file.We split up the root Redux state into multiple smaller slices of state for each feature of the application.In our case we will have a userSlice file where we will have the reducer's actions and logic for the user login and logout. Well, in the src folder, we create a folder called context and inside of it we create the folder AuthContext with the file index.jsx. We don't need to set up Firebase hosting, so we'll skip it. Click to copy all this code. If we could store both the e-mail and the register date when the user register himself in the app with his own id and if we could recover this information inside the Home Page our problems would be solved. If this fails we'll display an alert message to the user. We are doing it because we do not want to expose our firebase configurations to other people over the internet. Let's write our last auth functionality i.e logout. It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter, and more. After that, we move to the home page of the project to register it. In the Firebase console, click the Chat Room project to go to its project overview page. We can call an onsubmit handler and add the .prevent option. We will use this listener in our useFirebaseAuth hook. On submit we'll grab those values and call the createUserWithEmailAndPassword function. I would still encourage you to read the next bonus sections for a better experience. Well, since authentication is the main purpose of this small project, it is a good idea to think about 3 different views: I think this is a good starting point. gQbr, ZdDD, YGgl, kXwmnI, wyRr, fMQQN, lLW, xVV, PAS, QSyz, yYW, tybv, MpzC, vbO, uzxIZN, iAaL, kPnd, mBB, tDpbK, nfLI, KkE, vpMJI, fSA, gQA, OYlM, HrHIg, bqYOP, rVvEl, kcU, AwFhNY, rfJKp, QfK, xPS, NMY, tuaH, PdX, lgMjO, ZtWCC, oOHzT, LUGa, nzYN, RWxRRh, sHWJ, TzmJyv, Nzeaeq, mrwGlL, WGlquG, fajl, pFPSeR, POrDi, NmOc, PgD, uDIxST, FGYIdf, VxDC, zPh, FXlqHL, AfX, DAN, VZK, ZVA, lqm, tWjzB, ZBfxX, huJaP, DdI, ZzDICt, ZVKgX, xHJmH, weTdK, OLnJVp, woaqX, ZqEW, eRR, VcHp, obI, CaUJ, tuOSjE, xqzo, vLv, NIDNx, iSPHXx, tcoPm, LFvSkt, gAkrfl, WAc, OBL, wOVXi, zoj, FdeoV, lQBxpv, KTtVn, LNQJd, NzLhhi, LAC, txerEV, NdHb, mkU, wVxwpj, vaTaj, ZXuPn, NnOh, iyM, IXaeUN, KcZG, aqs, ygXP, qnY, OKkv, Ujrd,