Nothing special so far. Now, we just need to get the data from Firestore inside the Home Page. Now it's time to set the authorization of our pages. We want that the Home Page to be accessed only if the user is authenticated. After that, your project will be created in Firebase. Step 5: Adding Firebase to your React Application. This file will actually contain all we need for interacting with firebase. The process should be straightforward and only take a few seconds. We can only access the Home Page by typing the corresponding route into the url. We will create a new state errorMessage in which we will set our own custom error message. The documentation is also updated concerning this . It will have a total of 3 pages. Once unsuspended, jsbroks will be able to comment and publish posts again. // create new state for checking if the user is authenticated or not. Now, if you move to the browser, you will se the Login page, because the localhost url is the route '/', so the application is rendering the Login page. There is a problem with this method. Then we have three simple steps: After that, your project will be created in Firebase. Refresh the page, check Medium 's site status, or find something interesting to read. 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. All rights reserved. In our case the returning value is the new state object. 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. We need two methods from the new Firebase SDK. In this case, we are passing the route '/' to the Login page, '/register' to the Register page and '/home' to the Home page. Now, inside the src/pages/Home.js, we have a simple Logout button. In the new release, they have introduced a new modular API, which enables tree-shaking, bundle size reduction, and other benefits. Let's call the messaging app: chat-app. 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. Remember that we said before. We use getAuth for authentication. On submit we'll grab those values and call the createUserWithEmailAndPassword function. It will have a total of 3 pages. Verified by a badge. You can use email, passwords, phone numbers, and identity providers like Google and Facebook. In the new release, they have introduced a new modular API, which enables tree-shaking, bundle size reduction, and other benefits. Made with love and Ruby on Rails. Otherwise, he cannot go further. 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. They can still re-publish the post if they are not suspended. We have two major properties in the error object. DTT - Ditch the trend. If this fails we'll display an alert message to the user. // create user on firebase with email and password and pass the auth instance to it. Go back to the project settings and you should now see a config like this: Copy the config. Redux can have only a single store in an application. 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). In our case will want to pass in the user's state which we get from the onAuthStateChanged listener. Head over to Firebase and create a new application. We will write all the authentication logic inside this hook and expose a simple API for our components to use. // on successful creation, navigate to home page. The index.jsx will be similar to previous ones. We'll also want to make sure we unsubscribe from this event when the component is unmounted. Congratulations, we have both signup and login functionalities in place now. If we go to Firebase authentication documentation we can find two different functions available from Firebase authentication: We will use the first one to register a new user and the second to sign the user in the application. If they are authenticated we'll render the page, otherwise, we'll redirect them to the login page. 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 Its use is quite similar with the previous hook useHistory, which is not available anymore in React Router v6. This component is going to manage the routes of the application. The Firebase platform provides powerful libraries that let us easily integrate authentication into our projects. 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. Next I'll create a firebase helper file called firebase.js. We're a place where coders share, stay up-to-date and grow their careers. Firebase Authentication Tutorial with Private Routes in React and Vue. Ah-ha! Made with love and Ruby on Rails. A store is the complete state tree of the application. It makes the firebase tree shakeable as well as provides some other improvements. We'll need to create a new project using the create react app CLI. And that's because we didn't call it for anything, actually. For getting the authentication state, firebase provides us a listener called onAuthStateChanged. Yeah! Give your app, a nick name. Installing Firebase. The signup page is also going to be very similar, we'll create another form that asks for their email and password. Let's see what happened if we try to register with the same user again. As I said earlier, we will use the Google Firebase to do that. We now are going to paste the Firebase configuration inside of this file and make some changes. We are going to build a simple application in which we will perform three basic operations. Click Next and select a Cloud Firestore location near to you. 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. I have also enabled the hosting for it. onAuthStateChanged is an observer on the firebase auth object. // create a new state for storing user data. We'll also create a button that will call the auth signout function. Here is a series of steps you need to follow to add Firebase to your React application. Pretty good! for more information about the redux store : redux.js.org/api/store. The CLI outputs the Issuer and Client ID. Inside index.jsx file we just export the default component from the Login.jsx file. Firebase(v9)Next.js. It offers multiple tools as services for developers such as authentication, realtime database, hosting, messaging services and more. 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. It is maintained by Meta (formerly Facebook) and a community of individual developers and companies. Firebase provides authentication services that allow you to easily register and sign-in users. First, let's create another method in our useFirebaseAuth hook for signing. Templates let you quickly answer FAQs or store snippets for re-use. I hope this article was a good read for you and you learned something new today. In the Firebase console, click the Chat Room project to go to its project overview page. I don't want it therefore I haven't checked it. 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. I have a community over on discord if you'd like to learn more. It is maintained by Meta (formerly Facebook) and a community of individual developers and companies. In order to do that, we first need to include a button in the Home Page so the user can logout. The documentation is also updated concerning this new release. Let's change this. Congratulations, We have signup ready! It takes the auth object in parameters and returns an authenticated user object. Inside the .env.local, we have to prefix every environment variable with REACT_APP_. DEV Community A constructive and inclusive social network for software developers. We'll also need to enable the auth options before we start building anything. If we get a user back, we send its information on the state with our store method dispatch and the action login. 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. DEV Community 2016 - 2022. Are you sure you want to hide this comment? In the navigation menu, click Firestore Database. I would still encourage you to read the next bonus sections for a better experience. 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. Now you already imagine what we are going to do, huh? Now let's see the authentication console in Firebase. 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. Initialize your application and import the authentication components from firebase/auth They are used to reduce a collection of values down to a single value. When the user will click the Login button, the form will trigger a submit event and loginUser will be called. However, doing this won't protect our routes from unauthenticated users. 1FirebaseFirebase React, React-hook Typescript . Support Rehan Sattar by becoming a sponsor. Just clone the repository from here and switch to the ui-only branch. 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 that, we move to the home page of the project to register it. Right, but how do we know if a user is authenticated or not? We'll need to set up a firebase project to get started. We will use this listener in our useFirebaseAuth hook. This is going to be a view where only authorized users can access after his credentials are accepted by our application. 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. Enter a project name, enable/disable Google Analytics and click create project. Remark: Do not forget to include your .env file into your gitignore file. Inside the pages directory, we have a file called Signup.js where all of the UI is ready with form handling. Initially we just create a welcome message to the user. If you like my work, please do support me with reacting, commenting, and sharing this article. I am naming it as Authentication. In Register component, we put the message to the user sign in if he already has an account. Great combo! I encourage you to submit an empty e-mail and password. 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. We can assume that this is the first page of our app, when people arrive after type the url in the browser. This is because firebase-auth script is not added. If the user is not registered, we expect the access will be forbidden. If they are logged in they'll see a list of conversations on the left and a chatting interface on the right. 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. 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. Once suspended, vcnsiqueira will not be able to comment or publish posts until their suspension is removed. I always like to plan every project and I suggest every reader to do the same. However, doing this won't protect our routes from unauthenticated users. It's also worth mentioning, you might want to add a loading sign-on in your app while the auth check is being run. firebase.google.com Something like this. These files will be almost exactly the same from those from Login Page as we can see below. Refresh the page, check Medium 's site status, or find something interesting to read. Are you sure you want to hide this comment? Here is how to install the Firebase package as a module . We'll also create a button that will call the auth signout function. To finish, we have to call this handleRegister into the submit button by calling it on the onClick props. How to upload images on firebase storage and firestore using react native expo| #reactnative #firebasestorage#firebase image uploading in react nativeInstall. We can get the user using the useAuthState hook we created eailer. We start doing de same by creating a new folder named Home inside views with the files index.jsx and Home.jsx. Let's write our last auth functionality i.e logout. I'll try you with my comments. Next.js Firebase FirebaseTOPFirebaseFirebase I have already created the UI for this project for you to use. What have we done? 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. I'm a Software Engineer && Technical Writer passionate about data structures and beating former "best-yet (s)". This component is similar to the logic above expect we will only want to render the component if the user is not authenticated. Click to copy all this code. Remark: In real word applications we can use this errorCode to show good messages to the user. After it, click create project button. Add the project, Copy the initializeApp import statement & firebaseConfig for further use. You can write the name of your app and register it. They can still re-publish the post if they are not suspended. For the login page, we'll create a form that asks the user for an email address and password. One could easily maintain auth and database on supabase while host and serve functions on netlify. 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. Thanks for keeping DEV Community safe. So we move back to the Register page and import the database db from firebase.js and we import the functions doc, setDoc and Timestamp from firebase/firestore and make a small change in the handleRegister so it can write inside the users collection of Firebase Firestore. On submit we'll grab those values and call the createUserWithEmailAndPassword function. Now that we have created the project, it's time to create an application inside the project. Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. For further actions, you may consider blocking this person and/or reporting abuse. 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. We can call it useFirebaseAuth. Well, actually it's not difficult. You'll need those coming up. We assume here that you already did the following: Firebase is a Baas (Backend-as-a-Service) built on Google's infrastructure. In our App.js we'll need to add our routing option and link these to each of our pages. .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. Well, that will work, but that creates a bitter feeling that both e-mail and password are worthless, right? 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. FirebaseFirestore Cloud Firestore In the end, after the user is signed in, we want the application to redirect him to the Home page. We are almost there. And now, every time a user access the application, the Home Page will display his e-mail and date of registration. Unflagging vcnsiqueira will restore default visibility to their posts. By the firebase doc it sais that i should use import { getAuth, onAuthStateChanged } from "firebase/auth"; I searched and found that "firebase/firebase-auth"; folder has included getAuth method but when i try to use import {getAuth} from "firebase/firebase-auth"; it gives me an error states firebase/firebase-auth file is not exported. On the next screen, firebase will ask if you want analytics or not. DEV Community A constructive and inclusive social network for software developers. I'm choosing the default one. Once it's successful the user will be considered logged in and will automatically be redirected to the home page. This is going to be the view where the user can type your credentials to possibly access the home page of the application. This is not a very fancy application, so we do not have much different components to deal with and, that's why I'm not going to create a big component tree to our application. 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 including the authentication, we can improve it. // run only once when the component is mounted. We put all our import in this file so it makes it easier to use the different parts in the rest of our application. We'll also need to enable the auth options before we start building anything. 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. To add route guarding we'll first, need to mark each route that we want to guard with a meta property called requiresAuth. 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. Most upvoted and relevant comments will be first, My name is Vincius and I am interested in improving my software development skills. We have signInInWithEmailAndPassword for login, let's use it inside of our Login component. In the modal, under Secure rules for Cloud Firestore, click Start in test mode. Let's get started by creating a Vue project using the CLI tool. I strongly recommend you to create a specific alert component to show the message to the user, but we are not doing it here. 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. For the home page we'll dispaly a welcome message with the users email. When users visit the chat-app homepage: if they are not logged in, they'll be presented with a sign up form. First, let's create a new component ErrorDialog for presenting the errors. Create your Firebase project. Most upvoted and relevant comments will be first. You can find the full write up at codingwithjustin.com and source code on github. Remark: I have used inline css in order to create a very simple style to the component. Well, when the user clicked the Submit button, the application called the handleRegister that called the createUserWithEmailAndPassword and checked if everything was fine and created the user. Create a new account and login. If the user signs in is successfully they will automatically get redirect to the home page. Making these changes to the Login and Register pages, this is the new code of them. But, for now, we just have the id of the user who access the Home Page through the AuthContext. Once completed we'll need to also install .css-10qwvqs{display:inline-block;font-family:var(--chakra-fonts-mono);font-size:var(--chakra-fontSizes-lg);-webkit-padding-start:0.2em;padding-inline-start:0.2em;-webkit-padding-end:0.2em;padding-inline-end:0.2em;border-radius:var(--chakra-radii-sm);background:rgba(226, 232, 240, 0.16);color:var(--chakra-colors-gray-200);}react-router-dom and firebase@beta for version 9. 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. That's the page you will see. As I mentioned earlier, the focus here is not the style of the application but the logic itself. To protect our routes we'll create a custom component which Ill call AuthenticatedRoute. 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 have used the React hooks to create the states email and password and inside the input we use the onChange event handler with both handleEmail and handlePassword function to the e-mail and password inputs respectively. 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. // after success, push the user to the main screen. As credentials we can consider the e-mail and password. So we change the Home Page component this way. For further actions, you may consider blocking this person and/or reporting abuse. To protect our routes we'll create a custom component which Ill call AuthenticatedRoute. We'll start with login, which will be a simple form that accepts two user inputs. 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. The Home.jsx will be super easy. After that, we create a new folder inside the views called Register with the files index.jsx and Register.jsx. Firebase makes this process super easy. I have a community over on discord if you'd like to learn more. Emmanuel Unyime. Write the name of your project according to your preference, and click continue. So far, nothing. Now, let's initialize Firebase and Firebase Authentication so that we can start using them in our app. We'll call the useAuthState hook we created earlier to check if the user is authenticated. // on successful creation, navigate to home page. (Wikipedia) Let's start That's because the application is still rendering what is inside the App component and we do not change anything there. After filling up both inputs, if the user is registered in the application he will be authorized to go to the home page. Now, there is one thing missing. Before coming back to the code, let's go to the terminal and install firebase as a dependency to our project, Once it is finished, let's come back to our code. ', // User is signed in, see docs for a list of available properties, // https://firebase.google.com/docs/reference/js/firebase.User. 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