Firebase custom auth provider This code needs to perform the actual authentication and then mints a JSON Web Token (JWT) with the user's information. You can use any third-party authentication service like Auth0, Okta, etc. Jan 10, 2024 · You can integrate Firebase Authentication with a custom authentication system by modifying your authentication server to produce custom signed tokens when a user successfully signs in. 3 days ago · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. setCustomUserClaims(uid, customUserClaims) was added for setting custom data for control access. 0 and openID Connect . Guide: https://shusson. info/post/using-firebase-and-auth0-together. Create a subdomain for your domain to handle authentication via Firebase. FirebaseUI provides the following benefits: Multiple Providers - sign-in flows for email/password, email link, phone authentication, Google Sign-In, Facebook Login, Twitter Login, and GitHub Login. To use phone number authentication, Firebase must be able to verify that phone number sign-in requests are coming from your app. May 18, 2025 · In your Firebase Realtime Database and Cloud Storage Security Rules, you can get the signed-in user's unique user ID from the auth variable, and use it to control what data a user can access. OAuthProvider and firebase. com/shusson/firebase-custom-auth This repo contains samples that demonstrate how to use Custom auth tokens to Sign In Firebase with Identity Providers other than the ones with build-in support (Google, Facebook, Twitter and GitHub). まとめ. auth. Before you can use Firebase Authentication, you need to: May 18, 2025 · In the Firebase console, open the Authentication section and enable email and password authentication. Providers Registration 🎙 The next file you have to open is "Startup. firebase:firebase-auth")} May 18, 2025 · FirebaseUI is a library built on top of the Firebase Authentication SDK that provides drop-in UI flows for use in your app. These tokens can be used to authenticate users in your Firebase project and making it ideal for integrating existing user systems, third-party authentication providers or custom authentication mechanisms. 1:nameid-format:emailAddress">test@email. or to use an external auth provider (Clerk Apr 17, 2025 · // Select provider by showing UI. You can unlink an auth provider from an account, so that the user can no longer sign in with that provider. First head over to the Firebase console and go to the Authentication dashboard. com (or your customized email template domain) so Apple can May 18, 2025 · Completing sign-in in a mobile app. Apr 17, 2025 · Creating custom tokens. You can incorporate your login providers by utilizing one of the custom login schemes, including RSA or ECDSA signatures. Overview; auth:import and auth:export; Firebase Realtime Database Operation Types; Deploy Targets; Cloud Firestore Index Definition Format; Emulator Suite UI Log Query Syntax Jan 4, 2024 · Simply put, when multiple authentication providers are defined, the providers will be queried in the order they’re declared. com</NameID> </Subject> While the above examples focus on sign-in flows, you can use the same pattern to link a SAML provider to an existing user using linkWithRedirect() and linkWithPopup(), and re-authenticate a user with reauthenticateWithRedirect() and reauthenticateWithPopup(), which can be used May 16, 2025 · // Construct a FederatedOAuthProvider for use in Auth methods. For example, you may already have a pre-existing user database or you may want to integrate with a third-party identity provider that Firebase Authentication doesn’t natively support. Follow the instructions from our main Firebase guide. Instead, use the Admin SDK. May 18, 2025 · Caution: Deleting multiple users at once using the Firebase Admin SDK (for example, admin. If you haven't already, follow the steps in the Get started guide. May 18, 2025 · const provider = new firebase. For example: In your Firebase Realtime Database and Cloud Storage Security Rules, you can get the signed-in user's unique user ID from the auth variable, and use it to control what data a user can access. Select whether you will be using the authorization code flow or the implicit grant flow. Overview; auth:import and auth:export; Firebase Realtime Database Operation Types; Deploy Targets; Cloud Firestore Index Definition Format; Emulator Suite UI Log Query Syntax May 18, 2025 · You can unlink an auth provider from an account, so that the user can no longer sign in with that provider. Make sure you follow official Firebase documentation to properly set up Firebase Authentication in Firebase Console: https://firebase. Go to the Email Templates page in the Auth section. This makes it highly adaptable for use with your custom backend, ensuring a secure and scalable solution. May 19, 2018 · I'm authenticating my users on my web service and then creating Firebase custom token via php-jwt: // Requires: composer require firebase/php-jwt use Firebase\\JWT\\JWT; // Get your service account's May 18, 2025 · Programmatically configure OAuth identity providers for Firebase Authentication Stay organized with collections Save and categorize content based on your preferences. The former is needed to authenticate with the provider and the latter to exchange the provider’s credential for a custom token. Multi-tenant projects. On the Sign in method tab, enable the Email/Password provider. Email verification - verify email. 0 and OpenID Connect. PROVIDER_ID, signInMethod: firebase. Note that unlike other FirebaseAuth operations, this will take control of your UI by popping up a web view in which the user can enter their credentials. selectTenant (projectConfig, tenantIds) {return new Promise ((resolve, reject) = > {// Show UI to select the tenant Firebase OAuth workflow. signInWithRedirect) as described above. On the Sign-in Method page, enable the Phone Number sign-in method. Mar 7, 2019 · Your understanding of the flow to add a custom provider to Firebase Authentication is correct. Auth Provider is not required for Refine to work, if it is not provided, your application will not have any authentication capabilities. I would like to know the best approach to solve the problem: can I use Firebase Auth & a Custom Auth system only for Twitch? 6 days ago · This document shows you how to use Firebase Authentication to sign users into a Chrome extension that uses Manifest V3. Apr 17, 2025 · Phone number authentication: Authenticate users by sending SMS messages to their phones. auth (). signInWithPopup (provider); Yahoo. Add, remove, and save records from your domain in your DNS provider with the following inputs: May 18, 2025 · Next, you must configure your Firebase project to link to your custom email action handler in its user management emails. Email auth provider – sign in using email and password. js and firebase. Suppose I have a website with 10 pages, with different data coming from 2 firebase projects ( project-1, project-2) Supabase has first-class support for these third-party authentication providers: Clerk; Firebase Auth; Auth0; AWS Cognito (with or without AWS Amplify) You can use these providers alongside Supabase Auth, or on their own, to access the Data API (REST and GraphQL), Storage, Realtime and Functions from your existing apps. You can integrate an external user system with Firebase. Nov 2, 2017 · I'm building an enterprise app using Microsoft Graph to sign in. Oct 18, 2021 · Here you see that we're going to support two authentication providers: "Firebase" and "AuthDemo" (that is our custom endpoint). Note that email or password sign-in must be enabled to use email link sign-in. Apr 17, 2025 · And finally, there is a facility to enable custom domains for cross-site authentication. Oct 21, 2016 · One way to link an unsupported provider custom token to an existing account is to get the Firebase account's user id and the unsupported provider user id and save a hash map that takes in the unsupported provider id and returns the firebase uid which you want to link to. We will first discuss the base authentication architecture and then discuss the code changes when we choose custom authentication vs Firebase/Supabase auth. Auth. The auth variable contains the following information: When using UI widgets, you can add a provider to the providerConfigs list of a widget to render the appropriate UI for that provider - for example, an Email Provider will render inputs and a button, whilst the Google Provider will render a themed "Sign In with Google" button. com May 18, 2025 · These are well-understood providers that should meet the needs of most developers. Oct 20, 2022 · Firebase上のUIDは1回目と2回目で異なるものが発行されるのも確認しました ※ 簡易的にしか試していないので利用前に確認したほうが良いと思います. Learn more in our Security FAQ. To update your Firebase config to use your custom domain as your auth domain, do the following: Configure the Firebase JS SDK to use your custom domain as the authDomain: Aug 25, 2021 · Firebase Authentication is a super powerful and easy-to-use service to authenticate users to your app. On the Firebase custom Auth instructions page it says: Sep 29, 2021 · I have added a custom OIDC Provider to my Google Identity Platform. Automatic account linking on sign in is not secure between arbitrary providers and is disabled by default. auth. To unlink an auth provider from a user account, pass the provider ID to the unlink method. I have not implement it yet, I'm also working on it to use different otp provider. These tokens can be used to authenticate users in your Firebase project and making it ideal for integrating existing user systems, third-party authentication providers or custom Aug 26, 2022 · If you're deciding among authentication techniques and providers, trying out different data models with public and private data using Authentication and Firebase Security Rules, or prototyping sign-in UI designs, being able to work locally without deploying live services can be a great idea. Example. OAuthProvider ('microsoft. I need this information since my app also supports EmailAuth, GoogleAuth and FacebookAuth. When a user signs in with Yahoo, the following credentials will be passed without any custom parameters or scopes: ID token; Access token; Refresh token; LinkedIn Oct 31, 2017 · With Firebase you have the choice of using the simpler Firebase Auth or the more comprehensive Identity Platform to authenticate your users and Identity Platform does support OIDC authentication. In one of our previous blog post , we have shown how to support federated login that was not available out-of-the-box with Firebase Authentication on the web using our JavaScript SDK. cs" and look at the ConfigureServices() method. May 27, 2024 · Firebase Custom Authentication offers a flexible solution for generating custom tokens with our own authentication logic. Firebase에 트위치 OAuth로 인증 기능을 사용할 때 처음에 이해가 안가는 부분이 있어서 헤메다가 왜 헤맸는지를 Firebase의 OAuth workflow를 설명하면서 정리하고자 한다. Based on the provider I need to perform provider specific functions. Optional: Add OAuth scopes . You generate these tokens on your server, pass them back to a client device, and then use them to authenticate via the signInWithCustomToken() method. Here's a comparison of the differences. Custom tokens give you complete control over the authentication process. You can allow users to sign in to your app using multiple authentication providers by linking auth provider credentials) to an existing user account. 3 days ago · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors May 18, 2025 · The Add Custom Domain wizard of the Firebase console will show the necessary records that need to be updated to point your page to Firebase Hosting. May 18, 2025 · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors IdP (Identity Provider) credentials are credentials provided by authentication providers other than Firebase, for example Facebook, Github, Google or Twitter. 6 days ago · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors Aug 27, 2024 · In today’s mobile app landscape, security and flexibility are key. Can I use supabase as a basic library just to request access tokens, store jwt cookies in the browser using my own custom auth provider without using any databases or other supabase hosted services? I literally just heard about supabase today. May 18, 2025 · You can integrate Firebase Authentication with a custom authentication system by modifying your authentication server to produce custom signed tokens when a user successfully signs in. But those linked elements are user profile get via credential. FirebaseUI includes the following flows: Interaction with Identity Providers such as Google and Facebook; Phone number based authentication; Sign-up and sign-in with email accounts (email/password and email link) May 18, 2025 · Check with your OIDC provider for the scopes they use. Normally, when you sign in with an OAuth provider and another account with the same email address already exists, the accounts are not linked automatically. You can get the provider IDs of the auth providers linked to a user by calling getProviderData. firebase:firebase-bom:33. So you can specify additional options to API Key and Secret. Authenticate with Firebase using the OAuth provider object. The doc page for Custom Authentication talks about getting a custom token from an auth server, but does not clarify if that's an OAuth access token. Custom auth system integration: Connect your app's existing sign-in system to Identity Platform, exchanging tokens generated on your server for Identity Platform tokens that can be used for your apps running in Google Cloud, Firebase, or other services. Phone auth provider - sign in using phone number. For a quick demonstration, we’ll configure two authentication providers – a custom authentication provider and an in-memory authentication provider. Make sure you've set up the custom domain on the same project you are using for authentication. 6 days ago · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors Apr 6, 2020 · Firebase is great as it offers a lot of authentication providers. For me, I set my auth domain to be auth. May 18, 2025 · You can integrate Firebase Authentication with a custom authentication system by modifying your authentication server to produce custom signed tokens when a user successfully signs in. onDelete() will not be triggered. The signInWithPhoneNumber method issues the reCAPTCHA challenge to the user, and if the user passes the challenge, requests that Firebase Authentication send an SMS message containing a verification code to the user's phone. You can get the provider IDs of the auth providers linked to a user from the providerData property. The first is the newly created user’s id, and the second is an object that holds the custom claims, i. Instructions on how to handle the sign-in flow manually for each provider: Opting to use an Auth Provider means better security. You generate these tokens on your server, pass them May 18, 2025 · After you have the above information, enable OpenID Connect as a sign-in provider for your Firebase project: Add Firebase to your JavaScript project. May 18, 2025 · (If you don't use Firebase Hosting, you need to use a different option. start ('# firebaseui-auth-container ', {signInOptions: [{provider: firebase. May 18, 2025 · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors May 18, 2025 · Then, you can click the Apply Custom Domain button to put your changes into effect. Overview; auth:import and auth:export; Firebase Realtime Database Operation Types; Deploy Targets; Cloud Firestore Index Definition Format; Emulator Suite UI Log Query Syntax Exhibit better ways to link custom oauth providers for users already signed with built-in providers. forceSameDevice: false, // Used to define the optional May 18, 2025 · <Subject> <NameID Format="urn:oasis:names:tc:SAML:1. Default attributes have been made available to facilitate access to user information, especially when using a provider (such as Facebook). FlutterFire UI for Auth currently supports the following providers: There are not many guides on how to use Firebase's signInWithCustomToken functionality to login with your own custom Auth Provider, such as Discord. auth May 18, 2025 · Custom Authentication. UserCredential object. Feb 21, 2024 · The Firebase custom Token allow to connect a user and use the Firebase services, which is great given the Firebase integration is nice on FlutterFlow. this feature is should now be supported through the custom OAuth provider flow. Directus offers to add auth providers that supports oAuth 2. Is there an example of Okta integration or a generic OIDC integration that works May 5, 2023 · If the user creation process succeeds, it uses the details of the user to create and sign a token by invoking the createCustomToken method, which gets fed two parameters. js backend that “exchanges” Okta access tokens for Firebase custom authentication tokens. Your app receives this token and uses it to authenticate with Firebase. Note that unlike other FirebaseAuth operations, this will take control of your UI by popping up a Custom Chrome Tab. But I do not know if firebase auth can be used as an oAuth provider, I did not find about it in the firebase docs. 14. currentUser is null when the app starts and private routes Aug 3, 2024 · In FlutterFlow, you can seamlessly connect with Firebase and utilize the available authentication methods. The whole focus of an Auth Provider is on authentication and authorization. However, some advanced features are reserved for paid customers. May 18, 2025 · Unlike other providers supported by Firebase Auth, Microsoft does not provide a photo URL and instead, the binary data for a profile photo has to be requested via Microsoft Graph API. This new account is Jan 13, 2025 · Auth providers. Cons: Difficult to Migrate. Use Firebase Authentication functions to assign the authenticated role # You have two choices to set up a Firebase Authentication function depending on your Firebase project's configuration: Easiest: Use a blocking Firebase Authentication function but this is only available if your project uses Firebase Authentication with Identity Platform. See the docs for iOS+, Android, Web, Flutter, Unity, or C++. We currently have the following samples: Instagram for Web; LINE Login for iOS & Android; Kakao Login for iOS & Android Apr 15, 2025 · Firebase Custom Authentication offers a flexible solution for generating custom tokens with our own authentication logic. 6 days ago · Note: See Firebase Authentication Limits for applicable usage limits and quotas. And the Social Auth section containing Google, FB, Apple, Twitter and GitHub would indicate that Microsoft would follow as a direct implementation. With its long list of features, Authress is a brilliant user authentication and a Firebase alternative. May 18, 2025 · Create an App Check provider object for your custom provider. Apr 17, 2025 · Signing in users with a custom authentication system; var provider = new firebase. 0")) // Add the dependency for the Firebase Authentication library // When using the BoM, you don't specify versions in Firebase library dependencies implementation ("com. Firebase has 5 OAuth-based authentication, Facebook, Twitter, Google, GitHub and Custom Auth for now. By doing so, your users can continue using your current login providers or your custom authentication scheme. Firebase AuthenticationのOIDCを利用しLINE認証を行うやり方を紹介しました。 Mar 26, 2021 · Add Authorized Domains to Firebase Auth. If you have upgraded to Firebase Authentication with Identity Platform and enabled multi-tenancy, you need to update the tenant metadata to allow the tenant to inherit custom domains, email templates, and custom SMTP settings. Otherwise Sep 16, 2020 · I'm using Firebase in a side project that requires authentication using Facebook, Twitter, Google and Twitch. js. When you enable this feature, users attempting to sign in to your app see a To use an authentication provider, you need to enable it in the Firebase console. May 18, 2025 · Unlike other OAuth providers supported by Firebase such as Google, Facebook, and Twitter, where sign-in can directly be achieved with OAuth access token based credentials, Firebase Auth does not support the same capability for providers such as Yahoo due to the inability of the Firebase Auth server to verify the audience of Yahoo OAuth access May 18, 2025 · Firebase gives you complete control over authentication by allowing you to authenticate users or devices using secure JSON Web Tokens (JWTs). Click Add domain. Unfortunately, Firebase Auth doesn't support authentication using Twitch out of the box. Warning: The following three Firebase Authentication features are impacted by the shutdown of Firebase Dynamic Links on August 25, 2025: email link authentication for mobile apps, OAuth flows for Android apps using older versions of the Authentication SDK, and Cordova OAuth support for web apps. getproviders(). Custom authentication using Firebase allows you to integrate your own backend logic for user verification while leveraging… Sep 18, 2017 · But now the problem is the firebase is not putting any provider id for custom auth like it do for federated providers in FirebaseUser. It comes with a bunch of auth providers such as traditional email/password authentication, GitHub, Google, password-less mobile number authentication, and more. Mar 15, 2018 · ตลอด 1 ปีที่ผ่านมา ผมได้รับคำถามจากสมาชิกในเพจ Firebase Thailand เรื่องการทำ Custom このページで説明するコード例と解決策は、Admin SDK によって提供されるクライアント側の Firebase Auth API とサーバー側の Auth API の両方から得られるものです。 Admin SDK でのカスタム ユーザー クレームの設定と検証 If these providers are required to be used in unsupported environments, a third party OAuth library and Firebase custom authentication would need to be used. The current best way to do so is organized in the github issue FirebaseExtended#10 below: FirebaseExtended#10 Admin. Google (federated provider by Firebase) or ; Slack (implemented as custom Auth Provider) ; I want to give the user the opportunity to link both accounts. Email link sign in - sign in using a link sent to email. You can integrate any supported OAuth provider by carrying out the OAuth flow manually and passing the resulting OAuth credential to Firebase. com/docs/auth. or your own custom methods while creating an auth provider from scratch. Universal email sign in - resolve connected providers based on email and sign in using one of those. May 18, 2025 · If these providers are required to be used in unsupported environments, a third party OAuth library and Firebase custom authentication would need to be used. Before you begin. Click the Sign-in method tab where you will find a section to add Authorized domains. Oct 13, 2016 · Firebase Authentication supports four federated Identity Providers out-of-the-box, making it super easy to authenticate with Google, Facebook, Twitter and GitHub. To unlink an auth provider from a user account, pass the provider ID to the unlink() method. In the Firebase console, open the Authentication section. To configure your Firebase project to use your custom email action handler: Open your project in the Firebase console. After the Firebase registration you have to adjust the code in a way that looks similar to the one Bring your own custom JWT Provider. After a successful signing i want to use the token to be sent to authenticate to Firebase Auth (so i can secure the access to the database). I can successfully authenticate with it, so I know it's not an issue with the provider configs, but for some reason when I try to May 18, 2025 · In the Firebase console, open the Authentication section. You can get the provider IDs of the auth providers linked to a user from the User object's providerData property. You can find the currently supported authentication providers in the official Firebase documentation. There are two ways Firebase Authentication accomplishes this: Jun 20, 2020 · When using a custom authentication provider to sign in to Firebase, it's your own provider that handles the registration of the users. For example, a user signed in with 6 days ago · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors May 18, 2025 · You can integrate Firebase Authentication with a custom authentication system by modifying your authentication server to produce custom signed tokens when a user successfully signs in. To do this, you can create custom tokens with arbitrary claims identifying the user. EMAIL_LINK_SIGN_IN_METHOD, // Allow the user the ability to complete sign-in cross device, // including the mobile apps specified in the ActionCodeSettings // object below. Using a custom provider is necessary when: You want to use a provider other than the built-in ones. e. I saw in the Firebase JWT, they are well included, that is cool. I recommend having a "Users" parent, that will hold all the User May 18, 2025 · If these providers are required to be used in unsupported environments, a third party OAuth library and Firebase custom authentication would need to be used. firebase:: auth:: FederatedOAuthProvider provider (provider_data); Authenticate with Firebase using the Auth provider object. Firebase Authentication integrates tightly with other Firebase services, leveraging industry standards like OAuth 2. Frontegg has an impressive forever-free plan. 3 days ago · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors May 18, 2025 · If you've upgraded to Firebase Authentication with Identity Platform, you can add time-based one-time password (TOTP) multi-factor authentication (MFA) to your app. EmailAuthProvider. firebaseapp. The token recieved after a successful sign in cannot be used directly to Firebase. com-> example1234. ). Aug 4, 2020 · With Firebase Custom Authentication, you can use any user identity service (including Okta) to authenticate with Firebase, and this post will show you how. Jul 26, 2016 · @edvail Infact I 'beautified' the minified firebase-ui. GoogleAuthProvider (); google-signin. Firebase Authentication provides multiple authentication methods to sign in users from a Chrome extension, some requiring more development effort than others. Find and enter the Authentication section and click Settings; Click Authorized Domains and add your domain: auth. Feb 6, 2021 · This custom provider ID is then used with firebase. This object must have a getToken() method, which collects whatever information your custom App Check provider requires as proof of authenticity, and sends it to your token acquisition service in exchange for an App Check token. 6 days ago · From the Sign-In Method sub-tab within Authentication found on the Firebase console for any project, you can see a list of available Sign-in providers: Firebase's documentation doesn't seem to be even across different platforms, but for the iOS Reference docs there is a list of FirebaseAuth Constants that match up with those from the project Nov 10, 2016 · Fortunately, it is fairly simple to integrate LINE Login, as well as many other federated login, with Firebase Authentication using Custom Auth. It involves either: to create my own auth backend, which could cause security flaws (given I am not an expert) and as well adding more code to manage. May 18, 2025 · If you haven't upgraded to Firebase Authentication with Identity Platform, do so. On the Sign-in providers page of the Firebase console, click Add new provider, and then click OpenID Connect. Email link authentication. This document shows you how to use Identity Platform to create custom JSON Web Tokens (JWTs). signInWithPopup (google); 6 days ago · Firebase is beginning to support Terraform. Looking at the FlutterFire Auth documentation there doesn't appear to be a reference to Custom Auth providers. May 18, 2025 · Firebase gives you complete control over authentication by allowing you to authenticate users or devices using secure JSON Web Tokens (JWTs). Using Custom Authentication Firebase gives you complete control over user authentication by allowing you to authenticate using secure JSON Web Tokens (JWTs). Both native platforms and web support creating a credential which can then be passed to the signInWithCredential or linkWithCredential methods. signInWithPopup (or firebase. Jun 15, 2016 · You can't add custom attributes to Firebase Auth. So can we link a user to a LINE login? Which is not built-in Firebase Auth Provider? Is auth provider linking only valid for Firebase built-in provider? Regards, Xiang. js and find the allProviders array (toward the bottom of the file). Search for custom auth in firebase. I want to access Firebase services from my backend. This is the array of authentication providers that are currently allowed and you just need to update it with the new one like so: Dec 29, 2016 · In my firebase app, users can login using . May 18, 2025 · To build user-based and role-based access systems that keep your users' data safe, use Firebase Authentication with Firebase Security Rules. Yes, you can use custom authentication with different otp provider and login the user with custom token. In one of my apps, I use four different providers provided by Firebase (Email, Twitter, Facebook and Google), but I also need to let users sign in via LinkedIn. May 18, 2025 · ui. Identify users. May 29, 2021 · Admittedly I haven't explored the react-firebase-hooks in detail (i. If you have your own user auth system, and you want to integrate that with Firebase Auth for the purpose of creating accounts that integrate with other Firebase products, you can write a custom authentication provider. File structure When we enable Authentication in the Settings dashboard, it creates the following folders in our file structure to manage custom authentication. Oct 27, 2021 · Is there a way to add firebase auth as provider to my custom backend? For my custom backend I am using directus. Apr 14, 2019 · The Firebase function receives the request, creates the authentication request and redirects the user to the Identity Provider along with the authentication request; The Identity Provider May 18, 2025 · With the Firebase JS SDK, you can let your Firebase users authenticate using any supported OAuth provider in a Cordova environment. It supports authentication using passwords, phone numbers, Nov 22, 2023 · @adminjs/firebase-auth is an authentication provider which allows you to sign in using Firebase Authentication. Firebase Authentication in this scenario doesn't maintain any information for the user. Open src/util/auth. I want to link a user with multiple auth provider. addScope ('offline_access'); firebase. foo, my integration code would end up looking like: Nov 27, 2017 · firebase. example. That means they are better trained and equipped to keep the users’ information secure. Firebase OAuth custom provider workflow. Apr 17, 2025 · Signing in users with a custom authentication system; Update the Callback URL with your identity provider to use your custom domain Firebase. OAuthProvider currently only supports existing providers and has not been extended to support additional providers. (Optional) Prototype and test with Firebase Local Emulator Suite# I am looking for the Firebase to be authenticated seamlessly across multiple projects with different auth providers. 3 days ago · You can integrate Firebase Authentication with a custom authentication system by modifying your authentication server to produce custom signed tokens when a user successfully signs in. currentUser and firebase. js handles the scope creation and Jul 23, 2024 · Social authentication is a multi-step authentication flow, allowing you to sign a user into an account or link them with an existing one. js in chrome dev tools and started debugging to explore how the. As a matter of fact, Firebase offers a custom authentication approach using custom tokens which allows you to use your preferred identity provider to secure Firebase rather than the built-in authentication approach already provided by Firebase. If you're on a team that wants to automate and standardize creating Firebase projects with specific resources provisioned and services enabled, then using Terraform with Firebase can be a good fit for you. Go to the Sign-in Method page in the Firebase Authentication section to enable Email/Password sign-in and any other identity providers you want for your app. If you haven't upgraded to Firebase Authentication with Identity Platform, do so. , the custom data we want included in in the tok May 18, 2025 · Unlink an auth provider from a user account. Enable app verification. May 18, 2025 · If you use any of Firebase Authentication 's features that send emails to users, including email link sign-in, email address verification, account change revocation, and others, configure the Apple private email relay service and register noreply@YOUR_FIREBASE_PROJECT_ID. However I will say that a benefit to the Context approach is containing other side effects when the Auth state does change, for example solving the problem where auth. You can use the Google Cloud Identity Platform REST API to programmatically manage a Firebase project's OAuth identity provider (IdP) configuration. Try Frontegg 9. firebase. auth(). To access Firebase services from a server, you don't need to use Firebase Authentication. onAuthStateChanged() should still work. user(). May 18, 2025 · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors May 18, 2025 · Warning: The following three Firebase Authentication features are impacted by the shutdown of Firebase Dynamic Links on August 25, 2025: email link authentication for mobile apps, OAuth flows for Android apps using older versions of the Authentication SDK, and Cordova OAuth support for web apps. For example, if I created a new identity provider with an ID of oidc. May 18, 2025 · Apps use these tokens to verify that users have successfully authenticated with the identity provider, and then convert them into credentials usable by Firebase services. Link to your custom handler in your email templates. com. With this repo, I wanted to show a quick working example of how to do so. Auth0 is an example of such a provider. If you need to store more information about a user, use the Firebase realtime database. May 18, 2025 · Use a Custom Auth System; Anonymous Authentication; Enabling cross-app authentication with shared Keychain; Link Multiple Auth Providers; SMS Multi-factor Auth; TOTP Multi-factor Auth; Passing State in Email Actions; Handle Errors The steps to add custom authentication are as follows: Enabling custom authentication; Building pages; Authenticate users; Save auth data; Access auth data; Update auth data; Logout; 1. GoogleAuthProvider (); firebase. You’ll learn how to build a Firebase and Okta integration, which will have two components: A Node. You want to use the built-in providers in unsupported ways. com'); provider. e firestore, storage etc. Your backend will take the user's credentials and create a custom auth token that the app can use to sign in the user. Delete users one at a time if you want user deletion events to fire for each deleted user. You'll need to run code on a trusted environment for this (typically an app server). com; Once the custom domain certification is approved on the Firebase Hosting page update the CNAME to point at your Firebase app domain like this: auth. Custom claims apply to users already signed in with supported providers (Email/Password, Google, Facebook, phone, etc). Before you begin you must have: A basic understanding of NextJS 14 A basic Apr 5, 2020 · Firebase Auth apis, such as firebase. You need to be able get the authenticated token from the provider, and mint a Firebase custom token from it. geofyi. The former is needed to authenticate with the provider and the latter to exchange the provider's credential for a custom token. 6 days ago · Custom authentication is generally used when using a different authentication system with Firebase services, or to augment Firebase Auth with providers that are not supported out of the box. Firebase custom tokens: Created by your custom auth system to allow users to sign in to an app using your auth system. Authentication identifies users requesting access to your data and provides that information as a variable you can leverage in your rules. Your Sep 3, 2017 · An easy way to do custom auth with Firebase is using an external identity provider. Authress. You would need to use custom authentication. iOS Android Web C++ Unity. If the provider you're looking to add doesn't have an API, you won't be able to add it as a custom provider to Firebase though. You can, however, also implement your own custom App Check providers. May 18, 2025 · Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. deleteUsers([uid1, uid2]) in Node. Enabling custom authentication To enable custom authentication in FlutterFlow: Open Setting and Integrations > App Settings > Authentication. For example, in a web app all you need to sign in your Firebase users with Google is: var google = new firebase. Once you choose an Authentication Service Provider, it can be difficult to migrate away. . You can allow users to sign in to your app using multiple authentication providers by linking auth provider credentials to an existing user account. . So you will need to store your own database of user names, (hashed) passwords, and other data that you maintain. Nov 13, 2016 · You can add any identity provider to Firebase Authentication by implementing a so-called custom authentication provider. Add the new authentication provider in Firebase. code: https://github. May 18, 2025 · Anonymous Auth works well alongside either Custom Auth or any of Firebase's authentication services. js) does not fire user deletion events, so event handlers set up using functions. If these providers are required to be used in unsupported environments, a third party OAuth library and Firebase custom authentication would need to be used. OpenID Connect authentication is only available in upgraded projects. Integrate with Google and Firebase services; Create custom templates; phone number, or auth provider information—the user signed in with. Firebase Authentication with Identity Platform lets you use a TOTP as an additional factor for MFA. google. In addition to the OAuth access token, the user's OAuth ID token can also be retrieved from the firebase. qjqjwfefvetpjhimutwckqzniwspzkhsarsihvylqnfamcmts