capacitor-firebase-auth

Capacitor plugin for Firebase Authentication that handle the authentication on Native layer and propagate the token to the web view layer. After the sign-in process completes, the user will be signed in within both tiers.

Authenticating on the native layer is useful if you have another plugin that also needs authentication. But even if you don't need it, it does not negatively affect performance.

The plugin supports Google, Twitter, Facebook, Apple and Phone providers in Android, iOS and Web.

Tracking the Work in Progress

Platform	Google	Facebook	Twitter	Phone	Apple	Email/Pass
Android	✅	✅	✅	✅	🚧	🧠
iOS	✅	✅	✅	✅	✅	🧠
Web	✅	✅	✅	🧠	🧠	🧠

✅ - Ready
🚧 - Work in progress
🧠 - Thinking about, date to be defined

Important notes for upgrading between minor or major versions.

from 2.x.y to 2.4.x

Use of Firebase ^8.0.0 Please, for a while read the instructions on issues #128. This is the last release before Capacitor 3.

from 2.2.x to 2.3.x

Requires Capacitor Framework v2.2.1 or newer. This is another episode of the Capacitor Framework braking changes on Android platform (com.getcapacitor.Config, now com.getcapacitor.CapConfig).

Really sorry about braking changes in minor release, but I want to follow major version of the Capacitor Framework.

from 2.0.x to 2.2.x

You need to use version 2.2.0 of the Capacitor Framework due braking changes on Android platform (com.getcapacitor.Config)

from 0.3.x to 2.0.0

Sorry about that, but there is no path to do it, I my case, me and my team decided to re-build the projects from scratch, this does not mean code rewrite, just a project, configurations and build. The good news is, there is no change on Typescript/Javascript/Java/Swift facades.

Anyway, you can make a try with Capacitor Framework update instructions: From <= 1.5.1 to 2.0.0

from 0.2.x to 0.3.0: esModuleInterop

The firebase import was changed using esModuleInterop, that was a Stencil requirements, please see issue #38.

1 import * as firebase from 'firebase/app';
         ~~~~~~~~
    8601 export = firebase;
         ~~~~~~~~~~~~~~~~~~
    This module is declared with using 'export =', and can only be used with a default import when using the 'allowSyntheticDefaultImports' flag.

If you see the message above, please use esModuleInterop=true in your tsconfig.json file.

from 0.1.x to 0.2.0: GoogleSignIn 5.0.0

Required GoogleSignIn 5.0.0 on iOS platform, run pod update if using lower version.

Next steps

Test for Apple provider for Android
Apple provider for Web
Link social accounts
Email/Password Provider

Should we do this? It's very simple to authenticate on WebView without any plugin. For awhile, waiting a good reason to do it. (track interest on Issue #24)

How to Install

Install the plugin into your Capacitor project with npm.

npm install --save capacitor-firebase-auth

Don't forget to run npx cap sync once after the installation to propagate the plugin to native projects.

How to Config

The minimal version of some peer dependencies that breaks with previous versions

FBSDKCoreKit 5.0.0 (see issue #12)
FBSDKLoginKit 5.0.0 (see issue #12)
GoogleSignIn 5.0.0 (see issue #14 and #15)

Capacitor Plugins

In file capacitor.config.json config the providers list, language code and native authentication as desired
```
[...]
  "plugins": {
    "CapacitorFirebaseAuth": {
      "providers": ["google.com", "twitter.com", "facebook.com", "phone"],
      "languageCode": "en",
      "nativeAuth": false,
      "properties": {
        "google": {
            "hostedDomain": "my-custom-domain.com"
        }
      },   
      "permissions": {
           "google": ["profile", "https://www.googleapis.com/auth/drive", ...]
       }
    }
  }
[...]
```
Note: nativeAuth is a feature supported for Google, Twitter and Facebook (not Phone or Apple) to sign the user on the native layer too.

This is useful if you need to handle any feature provided by another plugin that needs authentication.

Note 2: Don't forget to remove hosted domain properties from Google SignIn in case you don't need it. See more here about this feature.

In file android/app/src/main/java/.../MainActivity.java add the reference to the Capacitor Firebase Auth plugin inside the Bridge initialization.

[...]
import com.baumblatt.capacitor.firebase.auth.CapacitorFirebaseAuth;
// Initializes the Bridge
this.init(savedInstanceState, new ArrayList<Class<? extends Plugin>>() {{
  // Additional plugins you've installed go here
  // Ex: add(TotallyAwesomePlugin.class);
  add(CapacitorFirebaseAuth.class);
}});
[...]

For Typescript users, please, review your tsconfig.json and ensure that you are using esModuleInterop=true.

Firebase

Follow instructions to add Firebase to your native project:
- Add Firebase to your Android project
- Add Firebase to your iOS project
If you haven't yet connected your app to your Firebase project, do so from the Firebase console.
- Please, don't forgot your Google Service .json or .plist file or your app will crash on the startup.

Extra steps for iOS

Add a URL scheme to your project (iOS only)
- See the official documentation here.
Add the Firebase/Auth pod to the Podfile in ios/App like this:

target 'App' do
  capacitor_pods
  # Add your Pods here
  pod 'Firebase/Auth'
end

Extra steps for Android

Add Android SHA app hashes to Firebase console (android only)
- For how to add the hash, check the documentation here.
- For which hashes to add:
  - One set is from the local debug keystore which is added by Android Studio
  - Other two sets are from the "Google Play Console" if you go to "Signing" you can find your "upload" keys and your "release" keys

Google

Google global configurations

Enable Google Sign-In in the Firebase console:
- In the Firebase console, open the Auth section.
- On the Sign in method tab, enable the Google sign-in method and click Save.

Google Android specific configurations

If you haven't yet specified your app's SHA-1 fingerprint, do so from the Settings page of the Firebase console. See Authenticating Your Client for details on how to get your app's SHA-1 fingerprint.

Google iOS specific configurations

Add custom URL schemes to your Xcode project:
- Open your project configuration: double-click the project name in the left tree view. Select your app from the TARGETS section, then select the Info tab, and expand the URL Types section.
- Click the + button, and add a URL scheme for your reversed client ID. To find this value, open the GoogleService-Info.plist configuration file, and look for the REVERSED_CLIENT_ID key. Copy the value of that key, and paste it into the URL Schemes box on the configuration page. Leave the other fields blank.

Phone

Google iOS specific configurations

Since that Apple using Push Notification service (APNs). You need to have .p8 key and upload to project FCM config to use phone login or you will get this Error. Do so from the Settings page of the Firebase console. See Configuring APNs with FCM for details on how to get your app's P8 key.

Twitter

Twitter global configurations

Register your app as a developer application on Twitter and get your app's API Key and API Secret.
Enable Twitter Login:
- In the Firebase console, open the Auth section
- On the Sign in method tab, enable the Twitter sign-in method and specify the App ID and App Secret you got from Facebook.
- Then, make sure your Firebase OAuth redirect URI (e.g. my-app-12345.firebaseapp.com/__/auth/handler) is set as your Callback URL in your app's settings page on your Twitter app's config.

Twitter Android and iOS specific configurations

There isn't any specific configuration on Android and iOs native projects because the use of firebase OAuthProvider.

Since version 2.0.0 this plugin does not use Twitter Kit anymore, following implementation reference of Firebase Documentation.

Facebook

Facebook global configurations

On the Facebook for Developers site, get the App ID and an App Secret for your app
Enable Facebook Login:
- In the Firebase console, open the Auth section
- On the Sign in method tab, enable the Facebook sign-in method and specify the App ID and App Secret you got from Facebook.
- Then, make sure your OAuth redirect URI (e.g. my-app-12345.firebaseapp.com/__/auth/handler) is listed as one of your OAuth redirect URIs in your Facebook app's settings page on the Facebook for Developers site in the Product Settings > Facebook Login config.

Facebook Android specific configurations

Add the dependency for Facebook SDK to your app-level build.gradle file:
```
implementation 'com.facebook.android:facebook-android-sdk:5.15.3'
```

In file android/app/src/main/AndroidManifest.xml, add the following XML elements under <manifest><application> :

<meta-data android:name="com.facebook.sdk.ApplicationId"
    android:value="@string/facebook_app_id"/>

<activity
    android:name="com.facebook.FacebookActivity"
    android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
    android:label="@string/app_name" />

<activity
    android:name="com.facebook.CustomTabActivity"
    android:exported="true">
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="@string/fb_login_protocol_scheme" />
    </intent-filter>
</activity>

In file android/app/src/main/res/values/ids.xml add the following lines :
```
<string name="facebook_app_id">[APP_ID]</string>
<string name="fb_login_protocol_scheme">fb[APP_ID]://authorize</string>
```
Don't forget to replace [APP_ID] by your Facebook App ID.

Facebook iOS specific configurations

Add your your [APP_ID] and [APP_NAME] keys in the file ios/App/App/Info.plist.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    [...]
    <key>FacebookAppID</key>
    <string>[APP_ID]</string>
    <key>FacebookDisplayName</key>
    <string>[APP_NAME]</string>
    [...]
</dict>
</plist>

Add custom URL schemes to your Xcode project:
- Open your project configuration: double-click the project name in the left tree view. Select your app from the TARGETS section, then select the Info tab, and expand the URL Types section.
- Click the + button, and add a URL scheme for the Callback URL of Facebook Kit for iOS. In URL Schemes box on the configuration page use fb[APP_ID]. Leave the other fields blank.

Add the pods that you want to install. You can include a Pod in your Podfile like this:

target 'App' do
  capacitor_pods
  # Add your Pods here
    pod 'Firebase/Core'
    pod 'Firebase/Auth'
    pod 'FBSDKCoreKit'
    pod 'FBSDKLoginKit'
end

Dispatch the designated callback URL to Facebook Kit in your ios/App/App/AppDelegate.swift file.

Facebook SDK

  import FBSDKCoreKit

  ...

  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
    // Called when the app was launched with a url. Feel free to add additional processing here,
    // but if you want the App API to support tracking app url opens, make sure to keep this call
    
    if let scheme = url.scheme, let host = url.host {
        if scheme == "fb\(String(describing: Settings.appID))" && host == "authorize" {
            return ApplicationDelegate.shared.application(app, open: url, options: options)
        }
    }
    
    return CAPBridge.handleOpenUrl(url, options)
  }

Don't forget to replace [APP_ID] and [APP_NAME] by your Facebook App ID and App Name respectively.

Apple

Apple global configurations

Follow carefully sections: Before you begin, Join the Apple Developer Program and Configure Sign In with Apple of Firebase docs.
Enable Apple as a sign-in provider, in the Firebase console, open the Auth section. On the Sign in method tab, enable the Apple provider. If you are only using Sign In with Apple in an iOS app, you can leave the Service ID, Apple Team ID, private key and key ID fields empty.

Apple Android configurations

Follow carefully sections: Configure Sign In with Apple

Apple iOs configurations

No additional configurations are required by this plugin.

Don't forget to enable Apple Sign In capability for your App on Xcode.

Usage

Sign in

import {User} from 'firebase/app'
import {cfaSignIn} from 'capacitor-firebase-auth';

cfaSignIn('google.com').subscribe(
	(user: User) => console.log(user.displayName);
)

Sign in mapping User to UserInfo

 import {cfaSignIn, mapUserToUserInfo} from 'capacitor-firebase-auth';
 import {UserInfo} from 'firebase/app';
 
 cfaSignIn('google.com').pipe(
 	mapUserToUserInfo(),
 ).subscribe(
    (user: UserInfo) => console.log(user.displayName)
 )

Sign out

import {cfaSignOut} from 'capacitor-firebase-auth';

//[...]

cfaSignOut().subscribe()

Phone Verification

import {cfaSignInPhone} from 'capacitor-firebase-auth';

cfaSignInPhone('+16505551234').subscribe((user) => {
  console.log(user.phoneNumber)
})

On iOS platform the observable will complete without emit (like EMPTY), follow the notifications below to sign on Firebase on Web Layer.

Notification for Phone Verification step

import {
  cfaSignInPhoneOnCodeSent,
  cfaSignInPhoneOnCodeReceived,
  cfaSignInPhoneOnCodeAutoRetrievalTimeOut
} from 'capacitor-firebase-auth';

// [...]

// Android and iOS
cfaSignInPhoneOnCodeSent()
  .subscribe((verificationId) => {
    console.log(verificationId)
  })

// Android Only
cfaSignInPhoneOnCodeReceived()
  .subscribe((event: {verificationId: string, verificationCode: string}) => {
    console.log(`${event.verificationId}:${event.verificationCode}`)
  })

cfaSignInPhoneOnCodeReceived()
  .pipe(switchMap(() => { cfaSignInPhoneOnCodeAutoRetrievalTimeOut() }))
  .subscribe((verificationId) => {
    console.log(verificationId)
  })

Suggestion for web authentication code to iOS, the verificationCode must be provided by the user, please see Firebase documentation for more information.

import firebase from 'firebase/app';

const credential = firebase.auth.PhoneAuthProvider.credential(verificationId, verificationCode);

firebase.auth().signInWithCredential(credential);

Alterantive use of Javascript facade

This implementations of the javascript facade calls, return in addition to the Firebase user the information returned by the plugin from the native layer. For example, in Twitter sign in the token and secret are returned for use with Twitter User API.

Specials thanks for @go-u, by this suggested improvement, more information please see issue #23!

Sign in

import firebase from 'firebase/app';
import {cfaSignIn, SignInResult} from 'capacitor-firebase-auth/alternative'; import {SignInResult} from './definitions';

cfaSignIn('twitter.com').subscribe(
	({userCredential, result}: {userCredential: firebase.auth.UserCredential, result: SignInResult}) => {
		console.log(userCredential.user.displayName);
		console.log(result) // will print (providerId, idToken and secret)
	}
)

Sign In using direct twitter method

import firebase from 'firebase/app';
import {cfaSignInTwitter, TwitterSignInResult} from 'capacitor-firebase-auth/alternative'; import {SignInResult} from './definitions';

cfaSignInTwitter().subscribe(
	({userCredential, result}: {userCredential: firebase.auth.UserCredential, result: TwitterSignInResult}) => {
		console.log(userCredential.user.displayName);
		console.log(result.idToken)
	}
)

Sign In; Use credentials for something; and map to UserInfo

import {UserInfo} from 'firebase/app'; 
import {cfaSignInTwitter, TwitterSignInResult, mapUserCredentialToUserInfo} from 'capacitor-firebase-auth/alternative'; 
import {tap} from 'rxjs/operators';

cfaSignInTwitter().pipe(
    tap(({result}:{result: TwitterSignInResult}) => console.log(result.idToken)),
    mapUserCredentialToUserInfo(),
).subscribe(
	(user: UserInfo) => console.log(user.displayName)
)

Known limitations

Phone Verification

The user will be signed in only in web layer. This limitation is due to the verification code only works once. So, there is no way to authenticate the user in both layers (native and web) with just one SMS Code.

Buy me a beer

If you feel that project is useful, please, considered to buy me a beer through PayPal

Looking forward to enable FUNDING.yml soon.

History

Issue #112 - Request hostedDomain support for Google Sign-in
Issue #63 - Support for Apple Sign In on iOS platform. Android platform maybe work, not tested yet.
Fix the same issue as in PR #104 but now on 'twitter.provider.ts', maybe there was a change in firebase.js (be sure you are using at least 7.17.1).
PR #104 - Update 'facebook.provider.ts' (fix the grap of the access token), thanks to hiepxanh
PR #99 - Unify firebase imports to recommended syntax, thanks to Luca Ban.
Remove the steps about JavaVersion.VERSION_1_8 because the plugin does not use Twitter Toolkit anymore.
Issue #90 - Information about nativeAuth feature on readme file.
PR #82 - Fix Google silentSignIn crash on Android, this should fix the issue #69
PR #95 - Fix version 2.2.1 not compiling: Update to the new Capacitor Config Class, thanks to Sergio Milici
Issue #84 - Upgrade to Capacitor 2.2.0 - braking changes on com.getcapacitor.Config
Upgrade to Capacitor 2.0.0
Issue #66 - Cannot convert value of type 'NSError' to expected argument type 'String?', thanks to Greg McKelvey.
Issue #38 - interoperability with Stencil, thanks to Justin Rich.
Issue #29 - plugin doesn't handle expired tokens
Issue #23 - Alternative Facade for receive more information from the authentication providers. (fixed a little typo)
Issue #26 - No callback when error/cancel in Google SignUp.
Issue #16 - Support for Google Sign In Scopes.
Issue #14 and Issue #15 - Update ios version to GoogleSignIn 5.0.0
Issue #13 - Operator to map firebase.User to firebase.userInfo.
Issue 9#: Support for language configurations (Phone Verification)
Capacitor v1.1.1
Better Facade code (Thanks for @trentcrockett contribution).
Notifications for On Code Sent and On Code Received from Phone Verification process for Android Platform.
Notifications for On Code Sent from Phone Verification process for iOS Platform (The Firebase does not read the SMS on iOS platform, so there is no way to notify On Code Received).
Providers list in plugin configurations (braking changes - see How to Config - Capacitor Plugin Item 1)
Dependency updates for android platform (Firebase 17 and Facebook 5)
Configuration for when authenticate on native layer (default false to avoid double billing)
Fix the issue 1#: Default FirebaseApp is not initialized on Android platform
WIP: Phone verification sign in on iOS platform.
Phone verification sign in on Android platform.
How to install and config on Google, Twitter and Facebook.
Fix to work without Facebook configurations.
Better sign out implementation.
Better observable implementations on js facade.
Facebook Provider authentication in iOS platform
Facebook Provider authentication in Android platform
Twitter Provider authentication in iOS platform
Twitter Provider authentication in Android platform
The Typescript facade for the plugin
Google Provider authentication in iOS Platform
Google Provider authentication in Android platform
Scaffolding do plugin (npx @capacitor/cli plugin:generate)

Name		Name	Last commit message	Last commit date
Latest commit History 197 Commits
alternative		alternative
android		android
ios		ios
src		src
.gitignore		.gitignore
.npmignore		.npmignore
CapacitorFirebaseAuth.podspec		CapacitorFirebaseAuth.podspec
LICENSE		LICENSE
README.MD		README.MD
package-lock.json		package-lock.json
package.json		package.json
rollup.config.js		rollup.config.js
tsconfig.json		tsconfig.json

License

twogate/capacitor-firebase-auth

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capacitor-firebase-auth

Tracking the Work in Progress

Important notes for upgrading between minor or major versions.

from 2.x.y to 2.4.x

from 2.2.x to 2.3.x

from 2.0.x to 2.2.x

from 0.3.x to 2.0.0

from 0.2.x to 0.3.0: esModuleInterop

from 0.1.x to 0.2.0: GoogleSignIn 5.0.0

Next steps

How to Install

How to Config

The minimal version of some peer dependencies that breaks with previous versions

Capacitor Plugins

Firebase

Extra steps for iOS

Extra steps for Android

Google

Google global configurations

Google Android specific configurations

Google iOS specific configurations

Phone

Google iOS specific configurations

Twitter

Twitter global configurations

Twitter Android and iOS specific configurations

Facebook

Facebook global configurations

Facebook Android specific configurations

Facebook iOS specific configurations

Apple

Apple global configurations

Apple Android configurations

Apple iOs configurations

Usage

Sign in

Sign in mapping User to UserInfo

Sign out

Phone Verification

Notification for Phone Verification step

Alterantive use of Javascript facade

Sign in

Sign In using direct twitter method

Sign In; Use credentials for something; and map to UserInfo

Known limitations

Phone Verification

Buy me a beer

History

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