So, as you can see, now every time a new user register in the application, the e-mail and date of register is stored in Firestore in the collection users inside a document with the user id, under the fields email and registeredAt respectively. Let me know in the comments if this information has been helpful share your insights if you see some useful improvement I could bring to my solution. You can enable the analytics for your project from here. I'll use the code method for detecting the errors and will display my custom messages. // after success, push the user to the main screen. We will write all the authentication logic inside this hook and expose a simple API for our components to use. Create another folder inside the src directory and name it hooks and create a new file useFirebaseAuth.js inside it. So, if you try to sign in with a user that is in the authentication list, the access will be allowed and the user will be redirected to the Home page. The index.jsx will be similar to previous ones. Now, let's go through each page and those up. As credentials we can consider the e-mail and password. and use it in the span element with the onClick prop. Made with love and Ruby on Rails. Name the project. 1FirebaseFirebase This function uses the createUserWithEmailAndPassword that was originally exported from firebase.js. If we get a user back, we send its information on the state with our store method dispatch and the action login. Let's copy and paste our login page over, change the title and call createUserWithEmailAndPassword. We can call an onsubmit handler and add the .prevent option. // check at page load if a user is authenticated, // user is logged in, send the user's details to redux, store the current user in the state, // use state constants for the the form inputs, // Sign in an existing user with Firebase, // returns an auth object after a successful authentication, // userAuth.user contains all our user details, // store the user's information in the redux state, // A quick check on the name field to make it mandatory, // Update the newly created user with a display name and a picture, // Dispatch the user information for persistence in the redux state, // dispatch to the store with the logout action, Connect your terminal to your Firebase account. React OAuth Authentication with Firebase | by Esau Silva | Bits and Pieces Sign In Get started 500 Apologies, but something went wrong on our end. Attention: If you intend to use git as a version control to your code and make it public so everyone can access it in your github, for example, it is not a good idea to simply paste your firebase code inside this file, because everyone could access your firebase API's. I will repeat some of these in the future. Start by creating the store in your application. // create user on firebase with email and password and pass the auth instance to it. . In your project src, create a new file firebase.js and copy your Firebase config information. Inside this file, we have a simple UI for the login screen. Adding authentication and access control to your application doesn't have to be a hassle. import { initializeApp } from "firebase/app"; import { GoogleAuthProvider, getAuth, signInWithPopup, signInWithEmailAndPassword, createUserWithEmailAndPassword, sendPasswordResetEmail, signOut, } from "firebase/auth"; import { getFirestore, query . And we use signInWithEmailAndPassword and createUserWithEmailAndPassword for Signing in and Registering using the email and password, respectively. I'm really interested in topics in react, architecture and software engineering in general, //### REGISTER USER WITH FIREBASE AUTHENTICATION ###//, How to embed fonts with React and styled-components. For our React app, we are going to use NPM. I'm choosing the default one. Now, click on the Get started button, then click on the Sign-In Method tab, and then select the GitHub Sign-in provider. We are doing it because we do not want to expose our firebase configurations to other people over the internet. Well, that will work, but that creates a bitter feeling that both e-mail and password are worthless, right? Redux gives us the ability to centralize our application state and logic. Inside index.jsx file we just export the default component from the Login.jsx file. A store is the complete state tree of the application. Give your app, a nick name. 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. Inside the .env.local, we have to prefix every environment variable with REACT_APP_. In that page, we click to add a new project. The returned value is considered to be next state. Choose if you want Google Analytics or not. User Authentication with React, Node.js, and Firebase | JavaScript in Plain English 500 Apologies, but something went wrong on our end. DEV Community A constructive and inclusive social network for software developers. code of conduct because it is harassing, offensive or spammy. First, let's create a new component ErrorDialog for presenting the errors. Import as well the necessary elements for your user authentication. It will be redirected to the /login and post that it will be redirected to / path. Guys, there is new competitor in the town Supabase. 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. You can add a logout function in your header for example like this. Well let's create the strategy to authorized and unauthorized pages to our application: the routes '/' and '/register' will be available always and the route '/home' will be available only for authenticated users. Remember that we said before. Lets also add a signout button, that when called will sign the user out and redirect them to the login page. Actually, with this actual approach, the user does not need to fill out his e-mail and password to access the Home page. In the project console, we are going to choose both Authentication and Firestore. You can find the full write up at codingwithjustin.com and source code on github. We start doing de same by creating a new folder named Home inside views with the files index.jsx and Home.jsx. You should also check out my website codingwithjustin.com where I post more in-depth content. As we said before, the Home page should only be accessed by an authenticated user. and after all that we can now click on the span elements to be redirected to the specific pages. If the REACT_APP_ prefix is not there, CRA will not pick it. // on successful creation, navigate to home page. And this is not what we want. 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. Moving back to the Firebase documentation we can find here how we can add data to Firestore. ', 'You have entered wrong password. I'll also be using version 9 of firebase which is currently in beta. 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. Basically we create a form with a title where we wrote 'Login' and two inputs to deal with the e-mail and password followed by a submit button which, in the future will carry the function to send the user information to be validated. Then we have three simple steps: After that, your project will be created in Firebase. We will register this hook once when the application is loaded and track the state. We'll need to set up a firebase project to get started. In the end we put a simple text so, if the user is not registered, he will be able to go to the Register Page. We will again create another method inside the useFirebaseAuth hook for logout. 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. Go to the Firebase Console and click Add project. This is because firebase-auth script is not added. 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. 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. 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. Now, let's talk a little about what we are going to create. The signup page is also going to be very similar, we'll create another form that asks for their email and password. If they are authenticated we'll render the page, otherwise, we'll redirect them to the login page. Nothing special so far. I don't want it therefore I haven't checked it. // create a new state for storing user data. If the user signs in is successfully they will automatically get redirect to the home page. so the flow is I visited /a endpoint. You should also check out my website codingwithjustin.com where I post more content similar to this one. Here is what you can do to flag vcnsiqueira: vcnsiqueira consistently posts content that violates DEV Community 's I strongly recommend you not to use css inline as I am doing here but instead use css modules or styled components, for example. Once it's successful the user will be considered logged in and will automatically be redirected to the home page. Create React App will automatically pick it. After that, click Save. Well, since we are going to admit only registered users to go to the home page, we need to create a view where someone can create his own credentials to access the application. Yes, you are right! In Register component, we put the message to the user sign in if he already has an account. Perfect! Firebase Auth6 . We can only access the Home Page by typing the corresponding route into the url. DEV Community 2016 - 2022. With you every step of your journey. Oh, I play Chess too! In this video, learn how to integrate Firebase Auth into an existing Node.js back . FirebaseSDK9Firebase Authentication(v9)ReactFirebase Templates let you quickly answer FAQs or store snippets for re-use. 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. Enter the app name and click on Continue. First things first, if you are reading this, you probably know what Firebase is. We have covered almost everything that you need to bootstrap your authentication with React using the Firebase Authentication service. Go back to the project settings and you should now see a config like this: Copy the config. 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. Now, we just need to get the data from Firestore inside the Home Page. 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. It will have a total of 3 pages. That's it! The Home.jsx will be super easy. Import the necessary elements from react-redux in your App.js file. Firebase is awesome. NOTE: You can also use the Okta Admin Console to create your app.See Create a React App for more information.. 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. After filling up both inputs, if the user is registered in the application he will be authorized to go to the home page. And that's what we are going to do in the next section. 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. 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. 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. (Wikipedia). It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter, and more. We can write the login logic inside this function. I encourage you to submit an empty e-mail and password. We have signInInWithEmailAndPassword for login, let's use it inside of our Login component. So, this view will have a form with both e-mail and password inputs. Congratulations, We have signup ready! We use getAuth for authentication. I added a success url in /login to be the /a and it is ending up in an infinite redirect now. After the installation, run npm start or yarn start to start the development build. It is maintained by Google and it is a very useful platform where you can develop scalable projects. 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' I compiled the example discussed in this article in a react project that you can check on GitHub.Update the file firebase_example.js with your firebase configuration infos and rename the file in firebase.js. 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. If they are logged in they'll see a list of conversations on the left and a chatting interface on the right. 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. However, doing this won't protect our routes from unauthenticated users. Unflagging vcnsiqueira will restore default visibility to their posts. We assume here that you already did the following: Firebase is a Baas (Backend-as-a-Service) built on Google's infrastructure. 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. In order to do that, we first need to include a button in the Home Page so the user can logout. which, after running, is going to show you the famous React first page in your browser. We also import the AuthContext hook to get the user id to access the corresponding document in firestore. When the user clicks the submit button, we'll grab those two values from the form element and pass them into the signInWithEmailAndPassword function. To finish, we have to call this handleRegister into the submit button by calling it on the onClick props. We will create a new generic component called PrivateRoute which will be inside the newly created components folder inside the src folder, The PrivateRoute component will be used to wrap the Home Page route component so if the currentUser exists it will render the Home Page and, otherwise it will throw the user to the Login Page. React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It will become hidden in your post, but will still be visible via the comment's permalink. Now let's see the authentication console in Firebase. Make sure you have the necessary packages installed. Both the setup step and, more importantly, the maintenance over time, are handled with modern platforms like Firebase. Firebase provides us much better errors if anything went wrong. If the user is not registered, we expect the access will be forbidden. Add the project, Copy the initializeApp import statement & firebaseConfig for further use. Firebase makes this process super easy. Firebase has updated its JavaScript SDK recently. In our App.js we'll need to add our routing option and link these to each of our pages. Once unsuspended, jsbroks will be able to comment and publish posts again. Then you have to add the script of firebase.auth after firebase-app script and make sure the version is same. In both cases for creating the app, we'll need to set up a firebase project. It allows us to share the state between the different components of our application and setup a process on how components can interact with the store to read or update the state tree of the application. Now we will load this file inside src/index.js. 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. If you go there you will realize that this new user was added to the list (now with only one user) of users that have credentials to be signed in. 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. There is a problem with this method. Now that we have created the project, it's time to create an application inside the project. We are going to make use of the React Context API to create a global state related to that. DEV Community A constructive and inclusive social network for software developers. Once the Vue project is set up we will also need to install firebase beta to get access to Firestore version 9 API. So let's also create some functions we use in our Vue application. When the user will click the Login button, the form will trigger a submit event and loginUser will be called. This will listen to auth state changes and assign the value to a user reactive variable. This will be useful when we start creating components. I always like to plan every project and I suggest every reader to do the same. 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. Also, I am not going to create a big style for the application, since this is not the focus of this project. 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. I'm a Software Engineer && Technical Writer passionate about data structures and beating former "best-yet (s)". The documentation is also updated concerning this . Installing Firebase. We have to protect it and only allow the authenticated users to see it. How to Create Firebase Authentication in React Native Step 1: Download Expo React Native App Step 2: Create Firebase Auth Project Step 3: Set Up Navigation Step 4: Create User Registration Screen Step 5: Create Login Auth Screen Step 6: Run App in Device Download Expo React Native App It will have a total of 3 pages. 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). Firebase provides authentication services that allow you to easily register and sign-in users. The component root of the project is going to be the App component. Now you already imagine what we are going to do, huh? This file will actually contain all we need for interacting with firebase. 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. The signup is going to be very similar. The Firebase platform provides powerful libraries that let us easily integrate authentication into our projects. This image could be a good app structure if you want to create a Form component and a Message Component. Create your userSlice.js file features/userSlice.js. I have a community over on discord if you'd like to learn more. The CLI outputs the Issuer and Client ID. For the login page, we'll create a form that asks the user for an email address and password. I would suggest you add better error handling but this should work well for this tutorial. We have the three basic functionalities of authentication ready. Made with love and Ruby on Rails. Verified by a badge. One for signing up, another for logging, and a home page that is only accessible if the user is authenticated. And how Firebase facilitates us in managing the authentication state over the application. Now, the Login Page, Register Page and Home Page are created, but if you move to your browser you will not see those pages. They can still re-publish the post if they are not suspended. You'll need those coming up. If the user signs in is successfully they will automatically get redirect to the home page. Firebase/Firestore. 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. We're a place where coders share, stay up-to-date and grow their careers. Next I'll create a firebase helper file called firebase.js. It's also worth mentioning, you might want to add a loading sign-on in your app while the auth check is being run. For further actions, you may consider blocking this person and/or reporting abuse. First, we click in the Authentication card and after redirection, click in Start, then in e-mail and password authentication and then activate it with the respective toggle. I will keep the console open. ', // User is signed in, see docs for a list of available properties, // https://firebase.google.com/docs/reference/js/firebase.User. Great combo! It is maintained by Meta (formerly Facebook) and a community of individual developers and companies. Once unpublished, this post will become invisible to the public and only accessible to Justin Brooks. Write the name of your project according to your preference, and click continue. We now are going to paste the Firebase configuration inside of this file and make some changes. Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. Register your app. We'll start with login, which will be a simple form that accepts two user inputs. When users visit the chat-app homepage: if they are not logged in, they'll be presented with a sign up form. Click Create database. from firebase.js and create the handleRegister function. First, let's create another method in our useFirebaseAuth hook for signing. 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. We want that the Home Page to be accessed only if the user is authenticated. Issue I am facing the below issue on my android while implementing phone authentication using react-native-firebase in my react-native project. // email already in use error handling 'Sorry, This Email is already in use with another account. This component is going to manage the routes of the application. I have also enabled the hosting for it. As I mentioned earlier, the focus here is not the style of the application but the logic itself. To do this we can simply create a promise the resolves or rejects once the onAuthStateChanged function has been called. Step 5: Adding Firebase to your React Application. Let's move forward with the authentication now! Copy-paste the configuration somewhere for later use. In this case, we are passing the route '/' to the Login page, '/register' to the Register page and '/home' to the Home page. ', 'The email you have provided is not registered yet. Here is a series of steps you need to follow to add Firebase to your React application. Finally, we have the home page. Firebase v9 Setup The process of creating a new Firebase project and database is the same as always. To do this, follow these steps: Go to your Firebase Project dashboard and click on the Authentication tab on the sidebar. And that's because we didn't call it for anything, actually. You can skip this if you don't want to learn how to store data information with Firestore database. Welcome to this course on React Native, We will build shopping list app with React Native. Login view. Let's call the messaging app: chat-app. Remark: I have used inline css in order to create a very simple style to the component. React(also known as React.js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It will have a total of 3 pages. First, we click in the Authentication card and after redirection, click in Start, then in e-mail and password authentication and then activate it with the respective toggle. So, every time a user is authenticated, the currentUser will be equal to the user id of the Firebase authentication and if no user is authenticated this variable is null. After you finished with three steps you will be redirected to the screen which looks like on the picture below. For the login page, we'll create a form that asks the user for an email address and password. // create a global instance for all the methods of authentication. Initially we just create a welcome message to the user. Firebase has updated its JavaScript SDK recently. Now, there is one thing missing. Firebase Authentication provides backend services & easy-to-use SDKs to authenticate users to your app. firebase.google.com I want to build a messaging web app using the technologies outlined in the title of the job post. Built on Forem the open source software that powers DEV and other inclusive communities. Firebase. Let's update the signupUser method to catch errors. Once suspended, jsbroks will not be able to comment or publish posts until their suspension is removed. On submit we'll grab those values and call the createUserWithEmailAndPassword function. I have already created the UI for this project for you to use. Now, let's try the application. React Firebase . And now, every time a user access the application, the Home Page will display his e-mail and date of registration. So we change the Home Page component this way. Our application is receiving these inputs from the user and doing absolutely nothing with it. In order to do that we will use the create react app boilerplate. We will create a new state errorMessage in which we will set our own custom error message. This way you don't flash a page every time you refresh. Inside the pages directory, we have the Login.js. Once unpublished, all posts by vcnsiqueira will become hidden and only accessible to themselves. Then, select the Firestore card, click in Create Database, choose if the database will be run in production mode or test mode and select the local of your cloud Firestore and click Activate. Hello everyone, In this article, we are going to learn about Authentication in React using the new Firebase JS SDK. This is going to be a view where only authorized users can access after his credentials are accepted by our application. Initialize your application and import the authentication components from firebase/auth Now that we already know what Firebase is, let's start our React application. Now, let's initialize Firebase and Firebase Authentication so that we can start using them in our app. We'll also want to make sure we unsubscribe from this event when the component is unmounted. 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. We wanted that when users logged in, they would be redirected to the Home Page with a custom welcome message that shows his e-mail and the date when they registered. <>. Once it's successful the user will be considered logged in and will automatically be redirected to the home page. If they are authenticated we'll render the page, otherwise, we'll redirect them to the login page. Adding Firebase to our React app To add Firebase to our React application, we must first register it on the Firebase Console. In the end, after the user is signed in, we want the application to redirect him to the Home page. Remark: Do not forget to include your .env file into your gitignore file. In our App.js we'll need to add our routing option and link these to each of our pages. Firebase makes this process super easy. To protect our routes we'll create a custom component which Ill call AuthenticatedRoute. Just clone the repository from here and switch to the ui-only branch. Refresh the page, check Medium 's site status, or find something interesting to read. You can write the name of your app and register it. We are almost there. Enter a project name, enable/disable Google Analytics and click create project. 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. Still in your App.js file initialize two constants for your user and for your dispatch (the information you will send to the redux state). 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