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