verdnatura-chat/app/containers/Passcode/PasscodeEnter.tsx

108 lines
2.8 KiB
TypeScript

import React, { useEffect, useRef, useState } from 'react';
import { useAsyncStorage } from '@react-native-community/async-storage';
import { gestureHandlerRootHOC } from 'react-native-gesture-handler';
import * as Haptics from 'expo-haptics';
import { sha256 } from 'js-sha256';
import Base from './Base';
import Locked from './Base/Locked';
import { TYPE } from './constants';
import {
ATTEMPTS_KEY, LOCKED_OUT_TIMER_KEY, PASSCODE_KEY, MAX_ATTEMPTS
} from '../../constants/localAuthentication';
import { resetAttempts, biometryAuth } from '../../utils/localAuthentication';
import { getLockedUntil, getDiff } from './utils';
import UserPreferences from '../../lib/userPreferences';
import I18n from '../../i18n';
interface IPasscodePasscodeEnter {
theme: string;
hasBiometry: string;
finishProcess: Function;
}
const PasscodeEnter = ({ theme, hasBiometry, finishProcess }: IPasscodePasscodeEnter) => {
const ref = useRef(null);
let attempts: any = 0;
let lockedUntil: any = false;
const [passcode, setPasscode] = useState(null);
const [status, setStatus] = useState(null);
const { getItem: getAttempts, setItem: setAttempts } = useAsyncStorage(ATTEMPTS_KEY);
const { setItem: setLockedUntil } = useAsyncStorage(LOCKED_OUT_TIMER_KEY);
const fetchPasscode = async() => {
const p: any = await UserPreferences.getStringAsync(PASSCODE_KEY);
setPasscode(p);
};
const biometry = async() => {
if (hasBiometry && status === TYPE.ENTER) {
const result = await biometryAuth();
if (result?.success) {
finishProcess();
}
}
};
const readStorage = async() => {
lockedUntil = await getLockedUntil();
if (lockedUntil) {
const diff = getDiff(lockedUntil);
if (diff <= 1) {
await resetAttempts();
setStatus(TYPE.ENTER);
} else {
attempts = await getAttempts();
setStatus(TYPE.LOCKED);
}
} else {
setStatus(TYPE.ENTER);
}
await fetchPasscode();
biometry();
};
useEffect(() => {
readStorage();
}, [status]);
const onEndProcess = (p: any) => {
setTimeout(() => {
if (sha256(p) === passcode) {
finishProcess();
} else {
attempts += 1;
if (attempts >= MAX_ATTEMPTS) {
setStatus(TYPE.LOCKED);
setLockedUntil(new Date().toISOString());
Haptics.notificationAsync(Haptics.NotificationFeedbackType.Error);
} else {
// @ts-ignore
ref.current.wrongPasscode();
setAttempts(attempts?.toString());
Haptics.notificationAsync(Haptics.NotificationFeedbackType.Warning);
}
}
}, 200);
};
if (status === TYPE.LOCKED) {
return <Locked theme={theme} setStatus={setStatus} />;
}
return (
<Base
ref={ref}
theme={theme}
type={TYPE.ENTER}
title={I18n.t('Passcode_enter_title')}
showBiometry={hasBiometry}
onEndProcess={onEndProcess}
onBiometryPress={biometry}
/>
);
};
export default gestureHandlerRootHOC(PasscodeEnter);