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app.ios.js
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app.ios.js
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/* eslint-disable no-console */
/**
* Copyright (c) 2016-present Invertase Limited & Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this library except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import React, { useState, useEffect } from 'react';
import { StyleSheet, View, Text, TouchableOpacity} from 'react-native';
import { appleAuth, AppleButton, AppleAuthWebView } from '@invertase/react-native-apple-authentication';
import { getAppleAuthConfig, parseAppleAuthResponse } from './app.shared';
/**
* You'd technically persist this somewhere for later use.
*/
let user = null;
/**
* Fetches the credential state for the current user, if any, and updates state on completion.
*/
async function fetchAndUpdateCredentialState(updateCredentialStateForUser) {
if (user === null) {
updateCredentialStateForUser('N/A');
} else {
const credentialState = await appleAuth.getCredentialStateForUser(user);
if (credentialState === appleAuth.State.AUTHORIZED) {
updateCredentialStateForUser('AUTHORIZED');
} else {
updateCredentialStateForUser(credentialState);
}
}
}
/**
* Starts the Sign In flow.
*/
async function onAppleButtonPress(updateCredentialStateForUser) {
console.warn('Beginning Apple Authentication');
// start a login request
try {
const appleAuthRequestResponse = await appleAuth.performRequest({
requestedOperation: appleAuth.Operation.LOGIN,
requestedScopes: [appleAuth.Scope.EMAIL, appleAuth.Scope.FULL_NAME],
});
console.log('appleAuthRequestResponse', appleAuthRequestResponse);
const {
user: newUser,
email,
nonce,
identityToken,
realUserStatus /* etc */,
} = appleAuthRequestResponse;
user = newUser;
fetchAndUpdateCredentialState(updateCredentialStateForUser).catch(error =>
updateCredentialStateForUser(`Error: ${error.code}`),
);
if (identityToken) {
// e.g. sign in with Firebase Auth using `nonce` & `identityToken`
console.log(nonce, identityToken);
} else {
// no token - failed sign-in?
}
if (realUserStatus === appleAuth.UserStatus.LIKELY_REAL) {
console.log("I'm a real person!");
}
console.warn(`Apple Authentication Completed, ${user}, ${email}`);
} catch (error) {
if (error.code === appleAuth.Error.CANCELED) {
console.warn('User canceled Apple Sign in.');
} else {
console.error(error);
}
}
}
export default function RootComponent() {
const [credentialStateForUser, updateCredentialStateForUser] = useState(-1);
const [appleAuthConfig, setAppleAuthConfig] = useState(null);
useEffect(() => {
if (!appleAuth.isSupported) return;
fetchAndUpdateCredentialState(updateCredentialStateForUser).catch(error =>
updateCredentialStateForUser(`Error: ${error.code}`),
);
}, []);
useEffect(() => {
if (!appleAuth.isSupported) return;
return appleAuth.onCredentialRevoked(async () => {
console.warn('Credential Revoked');
fetchAndUpdateCredentialState(updateCredentialStateForUser).catch(error =>
updateCredentialStateForUser(`Error: ${error.code}`),
);
});
}, []);
if (appleAuthConfig) {
return (
<AppleAuthWebView
config={appleAuthConfig}
onResponse={
(responseContent) => {
setAppleAuthConfig(null);
parseAppleAuthResponse(responseContent);
}
}
/>
);
}
return (
<View style={[styles.container, styles.horizontal]}>
{
appleAuth.isSupported && (
<View>
<Text style={styles.header}>Credential State</Text>
<Text>{credentialStateForUser}</Text>
<Text style={styles.header}>Buttons</Text>
<Text>Continue Styles</Text>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.WHITE}
buttonType={AppleButton.Type.CONTINUE}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.WHITE_OUTLINE}
buttonType={AppleButton.Type.CONTINUE}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.BLACK}
buttonType={AppleButton.Type.CONTINUE}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
<Text>Sign-in Styles</Text>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.WHITE}
buttonType={AppleButton.Type.SIGN_IN}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.WHITE_OUTLINE}
buttonType={AppleButton.Type.SIGN_IN}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
<AppleButton
style={styles.appleButton}
cornerRadius={5}
buttonStyle={AppleButton.Style.BLACK}
buttonType={AppleButton.Type.SIGN_IN}
onPress={() => onAppleButtonPress(updateCredentialStateForUser)}
/>
</View>
)
}
{
!appleAuth.isSupported && (
<View>
<Text>
Apple Authentication is not supported on this device.
</Text>
<Text>
But in such cases you can always use apple webView sign in!
</Text>
</View>
)
}
{
<TouchableOpacity onPress={
() => {
setAppleAuthConfig(getAppleAuthConfig());
}
}>
<View style={styles.button}>
<Text style={styles.label}>
WebView sign in with Apple
</Text>
</View>
</TouchableOpacity>
}
</View>
);
}
const styles = StyleSheet.create({
appleButton: {
width: 200,
height: 60,
margin: 10,
},
header: {
margin: 10,
marginTop: 30,
fontSize: 18,
fontWeight: '600',
},
container: {
flex: 1,
justifyContent: 'center',
backgroundColor: 'pink',
},
horizontal: {
flexDirection: 'column',
justifyContent: 'center',
alignItems: 'center',
padding: 10,
},
});