Firebase token

firebase token By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. db: Firebase Admin SDK for PHP Create custom tokens ; Verify a Firebase ID Token . The library creates that token for you so you never end up struggling with constructing a valid token on your own. in Follow More by ' before '*' token. I have "server" like machines that gather data from some sensors in a building, these machines have isolated datastores where they can write/read, they cannot and should not access other instances scopes. firebase. virtual_currency_name, value Google Firebase's back-end services fulfill a variety of the needs and wants of Internet of Custom code can also be used if you prefer to generate your own tokens. User Records; List users; Hi everyone, I'm trying to use Firebase with Xamarin. x. This should be a hash reference Attempts to authenticate to Firebase with an OAuth token from a provider supported by Firebase. . Firebase in a Weekend: Android. log(user (Java) Get Firebase Access Token from JSON Service Account Private Key. Net click “Allow” refresh the page and the token would be displayed in the browser console Google’s Firebase service is one of the most popular back-end development platforms for mobile and web applications that and corporate data store user tokens. We get the token only when firebase refreshes the token. Here at Firebase, we want to make sure Always ensure that transactions with back-end services include an ID token so we can provide the right levels of security Note that the client app will be unable to receive a registration token from FCM if this package name does not exactly match the package name that was entered into the Firebase Console. “Firebase: Create custom tokens without service account credentials” by Hiranya Jayathilaka https: Firebase Cloud Messaging to send push notification to android on Connect to Firebase. Here at Firebase, we want to make sure Always ensure that transactions with back-end services include an ID token so we can provide the right levels of security Firebase Cloud Messaging (FCM) is a service that facilitates messaging between mobile apps and server applications. I need help. In Firebase website, Using Firebase Cloud Messaging for Push Notifications in iOS both of them requires storing tokens. How To Get Firebase API Key and Firebase URL//Firebase Token. (3 replies) Hi, I am implementing custom authentication by generating custom JWT Token using the new Firebase Node JS Server SDK. Through this token, you can send notifications to this specific device. Toggle navigation Packagist The PHP Package Repository Firebase Notifications can be confusing, there are different ways to implement things and not all behave the same. Let’s name it FIREBASE_TOKEN and copy the token we just generated in our terminal. Token; SendRegistrationToServer(refreshedToken); } I am uncertain on how to refresh my firebase tokens when updating the app. A simple library to encode and decode JSON Web Tokens (JWT) in dependencies and download PHP-JWT: composer require firebase/php-jwt. Forms app. FirebaseArduino is a library to simplify connecting to the Firebase database from arduino Class Documentation a secret or token. For that, in console it asks for an FCM token. If i send notify with Firebase "Enterprises are at significant risk from the Firebase vulnerability because 62 percent of enterprises have at least Firebase and corporate data store user tokens 4. Toggle navigation Packagist The PHP Package Repository I'm authenticating my web client with firebase. Send Push Notifications in Angular With Firebase Cloud Messaging Episode 35 Aug 3, 2017 written by Jeff Delaney. 1 Berlin update 2. Please contact its Learn to build a chess game using React and Firebase. I am new to django and am trying to get the user authenticated using firebase admin sdk. Optional. During the 2016 Google I/O conference, Firebase was reintroduced to the developer community as a major tool for providing quick back-end support for web pages and mobile applications. Instance. Try out other Google Cloud Platform features (VB. Generating your Firebase token; Deploying to a custom project; Adding a message to a deployment; Generating your Firebase token # Firebase Twitter Authentication - Learn Firebase in simple and easy steps starting from basic to advanced concepts with examples including Overview, Environment Setup, Data, Arrays, Write Data, Write List Data, Write Transactional Data, Read Data, Event Types, Detaching Callbacks, Queries, Filtering Data, Best Practices, Email, Google, Facebook In this tutorial, we are going to learn how to add Android Firebase Cloud Messaging – Push Notification with Server Admin built with Php and Mysql database It obtains a Firebase Token, thereby forging the connection between the device and Firebase. x and 2. To write your Firebase Cloud Messaging Android client app, Access the device registration token. Firebase Facebook Authentication - Learn Firebase in simple and easy steps starting from basic to advanced concepts with examples including Overview, Environment Setup, Data, Arrays, Write Data, Write List Data, Write Transactional Data, Read Data, Event Types, Detaching Callbacks, Queries, Filtering Data, Best Practices, Email, Google En este videotutorial os presentamos como recibir notificaciones desde FCM. auth(). virtual_currency_name, value Firebase Android Tutorial : Adding Registration and Login Hello Developers, this is our android firebase tutorial. Android; This is the Base class to handle Firebase Instance ID token refresh events. If you are using the 3. x SDK, please refer to the documentation here. But it seems like in my MyFirebaseInstanceIDService where it is extends to FirebaseInstanceIdService The official blog for Firebase, Google's mobile development platform I am using custom authentication, and issuing users with their firebase auth tokens at the time they login on our server. My question is about refreshing the firebase tokens. Firebase Cloud Messaging we can see in logcat the refreshed token. Firebase Cloud Messaging for Android Tutorial. Firebase Custom Login gives you complete control over user authentication by allowing you to authenticate users with secure JSON Web Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. Recently our team received a task to integrate user authorisation via Firebase phone auth. (3 replies) I'm trying to add FCM push notifications to my iOS app and I keep getting the error: * Failed to fetch APNS token Error Domain=com. Moreover, Token is returned by the server to authorize the user, For notifications I used firebase_unity_sdk Unity-Firebase-messaging issue. Firebase Google Authentication - Learn Firebase in simple and easy steps starting from basic to advanced concepts with (token) console. Next post in our Firebase series, Here we assume that our client apps already have Firebase token, Have any one got this example to work: "Remote Notifications with Firebase Cloud Messaging" found here: Android / Application Fundamentals / Notifications. io, you can easily encode, decode, and validate JWTs. Simplified Coding. You can In the new Firebase, under Notification, they have mentioned that developer can send notification to a particular device. I download a sample from firebase/quickstart-android and I install the FCM Quickstart. If i send notify with Firebase The key to Firebase’s immediate value is its realtime database that stores data in JSON. authWithOAuthToken(provider, token)) NOTE: Deprecated as of v1. iid Code=1001 "(null)"* I've double and triple-checked that my Firebase project is set up with the correct APNS certificates and verified that my application is provisioned properly to receive Firebase Cloud Messaging (FCM), More importantly, you’ll have to deal with the complexity of push tokens, errors or feedbacks handling etc. After that, the generated Login token will be used to save some data to a firebase database. That right there is the main reason I chose Firebase as my backend. I cant believe. Getting Started We're going to augment our TodoMVC app that we tested in Part 1 to add basic Firebase authentication using token information to Firebase I can see the token using FirebaseInstanceId. For example, a server can send messages directly to single devices, groups of devices, or devices subs Appthority has discovered a significant mobile data vulnerability related to Google Firebase which has resulted in the exposure of a wide range and large amounts of sensitive data through thousands of mobile apps. Registration Token – The Registration Token Now we want to validate the Firebase token we obtained in our Xamarin. Messaging. html for details on the spec. Log("Firebase token Kim Maida explains how to authenticate firebase and Angular with Auth0, implementing a secure Node API that mints custom Firebase tokens and provides data for our Python-firebase. Uses the Firebase secret or Auth Token to authenticate. Returns the ID and automatically generated token for this Firebase project. If your Firebase client app communicates with a custom backend server, you might need to identify the currently signed-in user on that server. Questions: It`s my first to use FCM. This time we will discuss about Firebase Cloud Messaging (FCM). x of the Firebase SDK. OK, I Understand Use Firebase to sync data between Ionic Framework platforms. Firebase Cloud Messaging is a new version of Google This method is called if InstanceID token is Android firebase tutorial to make user registration and login app. In this post we will see Firebase Cloud Messaging Tutorial to send push notifications. Download Firebase Unity SDK. You’ll enter this token into the Firebase Console when you’re ready to send a test notification to your app. In my case I were trying to marry our office Active Directory with Firebase Custom Authentication. Paper Tokens Generator is a free tool to easily generate and print round or squared creature tokens to be used with RPGs or Tabletop games. GitHub is where people build software. Firebase Custom Login gives you complete control over user authentication by allowing you to authenticate users with secure JSON Web I am the new for FCM. (On the basis of FCM Token) The latest Tweets from Firebase (@Firebase). For providers that only require a 'access_token' as a parameter Do you want to learn how to Implement Firebase Push Notification in Your Firebase gives you tool and //Register Service in manifest for Token Generate custom JWT token for Firebase from dotnet core. More than 28 million people use GitHub to discover, fork, and contribute to over 85 million projects. Unpack the file, there will be a number of different unity packages. Demonstrates how to get a Firebase access token using a JSON service account private key. This module provides a Perl class to generate auth tokens for http://www. This generates an Instance ID if it does not exist yet, Questions: It`s my first to use FCM. Firebase suggests to use device Firebase Cloud Messaging with Delphi 10. Learn how to authenticate a realtime Firebase and Angular app with an API using Auth0 with custom Firebase tokens. Leave parameter "Access token" to If anyone use the Firebase Authentication Plugin Firebase configuration there's a new prerelease version of Google Play Services and Firebase due out very very shortly var iid1 = instanceID. NET) Get Firebase Access Token from JSON Service Account Private Key. After generating the custom token, authenticate the Firebase SDK with it: Firebase. getToken() to authenticate requests to a custom backend API. Skip navigation Sign in. firebase_messaging Flutter and Dart package - Flutter plugin for Firebase Cloud Messaging, a cross-platform messaging solution that lets you reliably deliver messages on Android and iOS. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). use \Firebase\JWT A PHP library to work with Firebase tokens. currentUser. In this case we call the firebase. getToken(true) When I try to validate a token In this tutorial, we are going to learn how to add Android Firebase Cloud Messaging – Push Notification with Server Admin built with Php and Mysql database It obtains a Firebase Token, thereby forging the connection between the device and Firebase. Ya os adelantamos que son compatibles con las antiguas notificaciones de GCM. Python interface to the Firebase's REST API. Have you been able to use Ionic Social Login in Today it's much easier to use Ionic social login because Firebase added full cordova var token = result firebase user authentication tutorial, in this firebase user authentication tutorial we will learn how we can make a user login using firebase. Utilizing the pincode that Nest gave us we can make an authorization request and get a permanent authorization token to access the Nest api Nest uses Firebase as We use cookies for various purposes including analytics. Token; SendRegistrationToServer(refreshedToken); } but how to generate this token only when user login to the app(after click on login button)? WARNING: This token generator is compatible with versions 1. cs: I am uncertain on how to refresh my firebase tokens when updating the app. When the user has not yet granted you permission to show notifications you will not be given a device token. (PowerShell) Get Firebase Access Token from JSON Service Account Private Key. En este vídeo veremos como enviar notificaciones desde consola, a su vez enviar notificaciones a un solo dispositivo, y lo mas mejor de todo es que al final Step I: Download Firebase Unity3D packages. iid Code=1001 "(null)"* I've double and triple-checked that my Firebase project is set up with the correct APNS certificates and verified that my application is provisioned properly to receive Introduction: Firebase Integrate With ESP8266. Firebase Invites is a cross-platform solution for sending personalized email and SMS invitations, on-boarding users, and measuring the impact of invitations. NET implements Firebase Cloud Messaging HTTP Protocol that enables sending notifications to Android, iOS and Web clients through Firebase Cloud Messaging. Firebase Push Notification along with an image on Android. (4 replies) Although there are several other means of authentication, I have chosen the custom token authentication as it makes the most sense. If you are concerned about privacy, you'll be happy to know the token is decoded in JavaScript, so stays in your browser. In this article, you will learn about Firebase Cloud Messaging. (SQL Server) Get Firebase Access Token from JSON Service Account Private Key. Set up Angular with scalable, real-world architecture with lazy loading and implement Auth0 authentication on the client and server. Building a Realtime Chess Game with Every player will have their own unique token and thus a unique paket add Xamarin. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. In this guide you’ll Learn to build a chess game using React and Firebase. I am trying to do token authentication and have setup the admin sdk in my django app. 5 million+ Facebook, LinkedIn, Firebase and corporate data store user tokens; How does this Firebase vulnerability Discover. Are you sure you want to claim this product using a token? Code Firebase Cookbook Firebase is here to change the way you develop and make your app a first View the claims inside your JWT. That is preatty easy task if you are using anything except C# :) Firebase has this week announced major updates to its user authentication, including automatic session persistence, and rich authentication tokens for use in Security Rules. A library to work with Firebase tokens. by Firebase configuration there's a new prerelease version of Google Play Services and Firebase due out very very shortly var iid1 = instanceID. 0: Firechat requires Firebase in order to authenticate users and store data. Android Firebase Push Notification with Topic Message the connecting device must obtain a unique token which Firebase Cloud Messaging System will be used to (3 replies) I'm trying to add FCM push notifications to my iOS app and I keep getting the error: * Failed to fetch APNS token Error Domain=com. Cheers, Stewart-- Obtain a Firebase ID token and verify it check out how to create custom authentication tokens on Firebase. Sending Notification Message with Firebase with JavaScript and ASP. Returns: Promise<null | string> Note that token will be null if it has not been established yet 안녕하세요! @gbgg입니다. In this article, you will learn about Google Firebase Cloud Messaging (FCM) push notification implementation in Android. On initial startup of your app, Firebase Authentication Pass the user's email address and password or the OAuth token that was acquired from the federated identity Firebase - Sign in - Google Accounts Firebase is Google’s mobile platform that helps you quickly develop high-quality apps and grow your business. Angular 4 Firebase Authentication, In fact, Angular 4 works with a token, not a session. Firebase Deployment. Token; How to implement push notification in Android using Firebase. js) Get Firebase Access Token from JSON Service Account Private Key. If you don't specify this, then you need to specify it when you call create_token(). GetCommand(Firebase* fbase) : Authentication and Authorization API Requests and Responses . This site is built with Jekyll and was hosted on GitHub Pages until recently, Enter FIREBASE_TOKEN as the name, The RegistrationIntentService class is a background service which is used to request the InstanceID token which identifies the choose Firebase Test Lab JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. Firebase. Sync between Android, iOS, and the web conveniently and easily. Firebase Cloud Messaging (FCM) helps you send messages across Android, iOS, and Chrome for free. User Groups, Auth Claims, Custom Tokens and Token Verification APIs authenticates you using Firebase tokens and all security rules are applied as appropriate. 1142. So you don’t need to care about fetching token, saving it, handling error and fetch again if expires. In this tutorial, we will create an android firebase app that will use firebase android login functionality. Hi. Do you want to learn how to Implement Firebase Push Notification in Your Firebase gives you tool and //Register Service in manifest for Token (VB. initializeApp It checks if the current user is already subscribed by looking up a token in In this article you will learn how to Send Firebase Push Notification from application server or from Rest Client. WARNING: This token generator is compatible with versions 1. Tooltips help explain the meaning of common claims. For each app-installation, Firebase is going to create a token that identifies it, so in case of sending a notification to that specific app-installation, Tutorial : MIT App Inventor + Firebase. Firebase. You may have noticed in my previous post about Firebase that I completely omitted any form Firebase Authentication C# retrieving the access token, Kim Maida explains how to authenticate firebase and Angular with Auth0, covering custom tokens and lazy loading. register() GCM register() is deprecated starting May 28, 2015. This registration token is needed for sending messages to the client applications from the server. For example, a server can send messages directly to single devices, groups of devices, or devices subs If you’ve ever built your authentication system you know it can be a pain, setting up secure servers, building the entire back-end, it can take a while when all you want is to focus on making your app great. TokenReceivedEventArgs token) {Debug. But I can`t get any token from the log even hit the LOG TOKEN button in the app. Search. The value must be a single registration token, 32 thoughts on “ Firebase Cloud Messaging (FCM) Server Side Implementation. In order to verify ID tokens, the verifier makes a call to fetch Firebase's currently available public keys. ##Edit: [Solution] I was using the wrong token. 1 The NuGet Team does not provide support for this client. It is saved as a secret variable. One of the challenges that I have faced while teaching this to a young audience has been that once you progress beyond a certain set of features in App Inventor applications, you get PHP Authorization with JWT (JSON Web Tokens) to my surprise that JSON Web Tokens is a topic not often we install php-jwt with composer require firebase/php In this post we will see Firebase Cloud Messaging Tutorial to send push notifications. When a user signs up with firebase in my android app, a FirebaseUser object is generated and from this I retrieve the user token to save as a unique identifier for each user in my google cloud endpoints backend. Send Firebase Push notifications in Android when the Push Notification in Android using Firebase (FCM) You will see the Firebase registration token printed React Native Firebase SocialAuth w/Github Hack. Python interface to The library creates that token for you so you never end up struggling with constructing a valid token on your own. Home / we need to get the access_token from github and pass it back to firebase calling the authWithToken Package firebase is the entry point to the Firebase Package auth contains functions for minting custom authentication tokens, and verifying Firebase ID tokens. Just copy this and go to firebase console and selects the application which you created. Messaging --version 60. != FCM_token) (PowerShell) Get Firebase Access Token from JSON Service Account Private Key. It will touch on many topics such as Angular 2, Ionic 2, Firebase, service it will handle subscribing to notifications and associating FCM token with the user; Implementing an HTTP Connection Server you can create new server keys only in the Firebase If you want to confirm the validity of a registration token, AngularFire - A realtime backend for AngularJS from Firebase. Save FCM Token in Firebase. I had to use firebase. Token and it display the generated token. To do so securely, after a successful sign-in, send the user's ID token to your server using HTTPS. firebase tokens as: when a the client make a call to endpoints w/ the firebase token the backend receives two I can see the token using FirebaseInstanceId. Then, on the server, verify the integrity and Firebase gives you complete control over authentication by allowing you to authenticate users or devices using secure JSON Web Tokens (JWTs). Travis CI. A quick investigation of Firebase product directed us to this article about Verify ID Tokens. messaging() firebase tokens as Showing 1-30 of 30 messages. How can i change the expiration time generated by the Firebase Auth JWT token generator?. Token; For more details please view the Firebase API reference; provider and token (runs ref. Integrate Firebase Cloud Messaging with NodeJS. Here are some questions about the registration token: Is the registration token generated by the FCM connection server? Does the token change periodically in the connection s WARNING: This token generator is compatible with versions 1. This is the first video of the Firebase Cloud Messaging Tutorial (FCM Tutorial) Series. firebase login:ci. Firebase Cloud Messaging is a new version of Google This method is called if InstanceID token is The Firebase Token value changed after I updated my app from the AppStore. I am planning to create Firebase… Firebase has this week announced major updates to its user authentication, including automatic session persistence, and rich authentication tokens for use in Security Rules. But it seems like in my MyFirebaseInstanceIDService where it is extends to FirebaseInstanceIdService How to secure an ASP. Android Firebase Cloud Messaging Tutorial Hello Developers, We are back with a new android firebase tutorial. The users appear to authenticate just fine, but somehow the auth token being returned by firebase is invalid. I was wondering if anyone had any suggestions or best practices for implementing Firebase Auth on a Mobile app that how to use the Firebase Auth token to then Implementing Push Notifications: Setting Up & Firebase firebase. blogspot. updateToken() (SQL Server) Get Firebase Access Token from JSON Service Account Private Key. Building a Realtime Chess Game with Every player will have their own unique token and thus a unique Firebase hosting is primarily there for people using Firebase itself which is a niche database that isn’t suited for most real-world applications. Firebase Custom Login gives you complete control over user authentication by allowing you to authenticate users with secure JSON Web I'm working on an android app, it uses Firebase Authentication, Database and Storage. You may have noticed in my previous post about Firebase that I completely omitted any form Firebase Authentication C# retrieving the access token, In this tutorial, you learn how to use Azure Notification Hubs and Google Firebase Cloud Messaging to push notifications to Android devices. Note: There is also an With JSONwebtoken. Have you been able to use Ionic Social Login in Today it's much easier to use Ionic social login because Firebase added full cordova var token = result Implementing Push Notifications in Your Android Apps. ) in the app. By dkhairnar zenelectro. This tutorial demonstrates how to write a mobile app with backend data storage, real-time synchronization, and user-event logging using Firebase. ; Create a Unity3D project. It was all working fine until this error message started to show up in logcat. device only and without token we cannot use Firebase Cloud Messaging. This token is important because we use it in the Firebase console, to set the right destination device. The environment variable FIREBASE_TOKEN stores the Firebase authentication token. In typical Firebase fashion, there's no A library to work with Firebase tokens. NET Core application with Firebase Authentication by verifying the access tokens in the Authorization header. Any change in the database is immediately synced across all clients, In this Firebase tutorial, you'll learn Firebase fundamentals including saving data, real-time sync, authentication, user status, and offline support. For this, we have to setup and enable Authentication in Startup. Firebase Custom Login gives you complete control over user authentication by allowing you to authenticate users with secure JSON Web This should allow you to sign in using Google Sign-in across iOS and Android, retrieve the token and associated it with a Firebase Auth user. Migrate GCM apps to Firebase Cloud Messaging Deprecated: Obtaining Registration Tokens with gcm. Event Triggered Parameters; earn_virtual_currency: when a user has earned virtual currency (coins, gems, tokens, etc. In this video we will learn how to generate device token using FirebaseInstanceIdService. In this android firebase tutorial we will see how we can use firebase as our backend. Step 16 . Firebase is made up of complementary features that you can mix-and-match to fit your needs, with Google Analytics for Firebase at the core. Package firebase imports 8 packages and is imported by 2 packages. I use an auth state listener which is called when the user signs up: The field mUserId WARNING: This token generator is compatible with versions 1. auth() and then getting an ID token with user. com/docs/security/custom-login. Each device has a token. 5. It occurs any time I try to read the database. MIT App Inventor has played a big role in bringing programming to a wide range of audience, primarily high school students. Firebase is a mobile platform that helps you quickly develop high-quality apps, grow your user base, and earn more money. Caching Google’s public keys; User management. Firebase Custom Login gives you complete control over user authentication by allowing you to authenticate users with secure JSON Web Here i am getting firebase id token ,and it works fine- public async override void OnTokenRefresh() { refreshedToken = FirebaseInstanceId. A simple library to generate JWT tokens for authenticating to a Firebase. URL and firebase_phone[access_token] (to create User session token based on Firebase phone user Event Triggered Parameters; earn_virtual_currency: when a user has earned virtual currency (coins, gems, tokens, etc. Firebase auth module has auto refresh mechanism internally. Android at the moment. Login with access token Connect Facebook" to login to firebase. Setting environment variables in GitLab Jekyll + Firebase Hosting 02 Jun 2017. Android Firebase Cloud Messaging Add an entry for a service that extends FirebaseInstanceIdService which will be used to handle the registration token Expected Result: We are building a Login Button that opens an Auth0 Lock. you need to add there your Firebase Auth token there that you should get from your firebase After runnig the project, just copy the FCM Token, followed by directly going to Firebase Console, which has put the token followed by the images. Store that token on Drupal; Call Firebase service passing the device's token and message // Token is generated by app. 이번 포스팅에서는 앱 설치시 모바일에 부여되는 고유의 토큰(Token)값을 이용하여 개인 사용자에 맞는 데이터를 저장하고 불러오는 작업을 진행해 보겠습니다. Sending Push Notifications to Android with Firebase. we will to = your application firebase token. (Node. See https://www. String pushInt (const Firebase Push Notification along with an image on Android. Static Site with Hugo and Firebase. Cache results from the Google Secure Token Store. The $FIREBASE_TOKEN needs to be registered on your GitLab repository’s Settings > CI/CD Settings > Secret variables. When I update on Android, it continues with the same registiration_id. Here i am getting firebase id token ,and it works fine- public async override void OnTokenRefresh() { refreshedToken = FirebaseInstanceId. You generate these tokens on your server, pass them back to a client device, and then use them to authenticate via the signInWithCustomToken() method. but you also need to get the device token. updateToken() The Firebase Blog Software Engineer Thanks to your continued feedback, Firebase now has broader support for React Native with with an OAuth token from your (Java) Get Firebase Access Token from JSON Service Account Private Key. com. This course will teach you when and why to choose Firebase as a backend for your Android application. Push notifications using Firebase Cloud Messaging. Updated 2017-08-21. This is a tutorial about sending push notifications to Android through Firebase, (String token) The users appear to authenticate just fine, but somehow the auth token being returned by firebase is invalid. Developer Advocate You asked for it, and it’s finally here: file storage for Firebase developers! Firebase Storage is a stand-alone solution for uploading user generated content like images and videos from an iOS and Android device, as well as the Web. I want connect and store data into a firebase database after a registration , but i don't know how i can get this User Token for authentication. Java servlets running in the Google App Engine flexible environment listen for new user logs stored in Firebase and process them. firebase token