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A React Native library providing support for Apple Authentication on iOS.

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guardian/react-native-apple-authentication

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React Native Apple Authentication

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A well typed React Native library providing support for Apple Authentication on iOS, including support for all AppleButton variants.

apple-auth

Prerequisites to using this library

The @invertase/react-native-apple-authentication library will not work if you do not ensure the following:

  • You have setup react-native iOS development environment on your machine (Will only work on Mac). If not, please follow the official React Native documentation for getting started: React Native getting started documentation.

  • You are using React Native version 0.60 or higher.

  • You are using Xcode version 11 or higher. This will allow you to develop using iOS version 13, the only version possible for authenticating with Apple.

  • Once you're sure you've met the above, please follow our Initial development environment setup guide.

Installation

yarn add @invertase/react-native-apple-authentication

You will not have to manually link this module as it supports React Native auto-linking.

Usage

Below are simple steps to help you get up and running. Please skip and head to the full code examples noted below if you prefer to see a more complete implementation:

1. Initial set-up

Import the appleAuth (API documentation) module and the AppleButton (API documentation) exported member element from the @invertase/react-native-apple-authentication library. Setup an event handler (onPress) to kick start the authentication request.

// App.js

import React from 'react';
import { View } from 'react-native';
import { AppleButton } from '@invertase/react-native-apple-authentication';

async function onAppleButtonPress() {

}

function App() {
  return (
    <View>
      <AppleButton
        buttonStyle={AppleButton.Style.WHITE}
        buttonType={AppleButton.Type.SIGN_IN}
        style={{
          width: 160,
          height: 45,
        }}
        onPress={() => onAppleButtonPress()}
      />
    </View>
  );
}

2. Implement the login process

Import exported members AppleAuthRequestOperation (API documentation), AppleAuthRequestScope API documentation & AppleAuthCredentialState API documentation.

// App.js

import appleAuth, {
  AppleButton,
  AppleAuthRequestOperation,
  AppleAuthRequestScope,
  AppleAuthCredentialState,
} from '@invertase/react-native-apple-authentication';

async function onAppleButtonPress() {
  // performs login request
  const appleAuthRequestResponse = await appleAuth.performRequest({
    requestedOperation: AppleAuthRequestOperation.LOGIN,
    requestedScopes: [AppleAuthRequestScope.EMAIL, AppleAuthRequestScope.FULL_NAME],
  });

  // get current authentication state for user
  const credentialState = await appleAuth.getCredentialStateForUser(appleAuthRequestResponse.user);

  // use credentialState response to ensure the user is authenticated
  if (credentialState === AppleAuthCredentialState.AUTHORIZED) {
    // user is authenticated
  }
}

3. Event Listener

Set up event listener for when user's credentials have been revoked.

// App.js

import React, { useEffect } from 'react';
import { View } from 'react-native';
import appleAuth, { AppleButton } from '@invertase/react-native-apple-authentication';

function App() {
  useEffect(() => {
    // onCredentialRevoked returns a function that will remove the event listener. useEffect will call this function when the component unmounts
    return appleAuth.onCredentialRevoked(async () => {
      console.warn('If this function executes, User Credentials have been Revoked');
    });
  }, []); // passing in an empty array as the second argument ensures this is only ran once when component mounts initially.

  return (
    <View>
      <AppleButton onPress={() => onAppleButtonPress()} />
    </View>
  );
}

4. Implement the logout process

// App.js

import { View, Button } from 'react-native';
import appleAuth, {
  AppleAuthRequestOperation,
  AppleAuthCredentialState,
} from '@invertase/react-native-apple-authentication';

async function onLogout() {
  // performs logout request
  const appleAuthRequestResponse = await appleAuth.performRequest({
    requestedOperation: AppleAuthRequestOperation.LOGOUT,
  });

  // get current authentication state for user
  const credentialState = await appleAuth.getCredentialStateForUser(appleAuthRequestResponse.user);

  // use credentialState response to ensure the user credential's have been revoked
  if (credentialState === AppleAuthCredentialState.REVOKED) {
    // user is unauthenticated
  }
}

function App() {
  return (
    <View>
      <Button onPress={() => onLogout()}>log out</Button>
    </View>
  );
}

API Reference Documentation

Interfaces

Enumerations

FAQs

  1. Why does full name and email return null?

    • Apple only returns the full name and email on the first login, it will return null on the succeeding login so you need to save those data.
    • For testing purposes, to be receive these again, go to your device settings; Settings > Apple ID, iCloud, iTunes & App Store > Password & Security > Apps Using Your Apple ID, tap on your app and tap Stop Using Apple ID. You can now sign-in again and you'll receive the full name and `email.
  2. How to change button language?

    • Native Apple Button component reads language value from CFBundleDevelopmentRegion at Info.plist file. By changing CFBundleDevelopmentRegion value you can change default language for component.
    <key>CFBundleDevelopmentRegion</key>
    <string>en</string>
    • For supporting multi language, you can add CFBundleAllowMixedLocalizations key to Info.plist.
    <key>CFBundleAllowMixedLocalizations</key>
    <string>true</string>

License


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A React Native library providing support for Apple Authentication on iOS.

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  • Objective-C 54.6%
  • JavaScript 38.5%
  • Ruby 6.9%