134 lines
5.8 KiB
TypeScript
134 lines
5.8 KiB
TypeScript
import React, { useState, useEffect, useContext } from 'react';
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import Container from 'components/Container';
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import styled from 'styled-components';
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import Card from 'react-bootstrap/Card';
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import Form from 'react-bootstrap/Form';
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import constants from 'utils/strings/constants';
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import { Formik, FormikHelpers } from 'formik';
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import * as Yup from 'yup';
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import Button from 'react-bootstrap/Button';
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import { secureRandomString, strToUint8, base64ToUint8, binToBase64 } from 'utils/crypto/common';
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import { hash } from 'utils/crypto/scrypt';
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import { encrypt } from 'utils/crypto/aes';
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import { putKeyAttributes } from 'services/userService';
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import { getData, LS_KEYS, setData } from 'utils/storage/localStorage';
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import { useRouter } from 'next/router';
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import { getKey, SESSION_KEYS, setKey } from 'utils/storage/sessionStorage';
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const Image = styled.img`
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width: 200px;
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margin-bottom: 20px;
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max-width: 100%;
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`;
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interface formValues {
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passphrase: string;
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confirm: string;
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}
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export default function Generate() {
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const [loading, setLoading] = useState(false);
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const [token, setToken] = useState<string>();
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const router = useRouter();
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const key = getKey(SESSION_KEYS.ENCRYPTION_KEY);
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useEffect(() => {
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router.prefetch('/gallery');
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const user = getData(LS_KEYS.USER);
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if (!user?.token) {
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router.push("/");
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} else if (key) {
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router.push('/gallery');
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} else {
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setToken(user.token);
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}
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}, []);
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const onSubmit = async (values: formValues, { setFieldError }: FormikHelpers<formValues>) => {
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setLoading(true);
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try {
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const { passphrase, confirm } = values;
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if (passphrase === confirm) {
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const key = secureRandomString(32);
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const kekSalt = secureRandomString(32);
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const kek = await hash(strToUint8(passphrase), base64ToUint8(kekSalt));
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const kekHashSalt = secureRandomString(32);
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const kekHash = await hash(base64ToUint8(kek), base64ToUint8(kekHashSalt));
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const encryptedKeyIV = secureRandomString(16);
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const encryptedKey = await encrypt(key, kek, encryptedKeyIV);
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const keyAttributes = {
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kekSalt, kekHashSalt, kekHash,
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encryptedKeyIV, encryptedKey,
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};
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await putKeyAttributes(token, keyAttributes);
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setData(LS_KEYS.KEY_ATTRIBUTES, keyAttributes);
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const sessionKey = secureRandomString(32);
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const sessionIV = secureRandomString(16);
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const encryptionKey = await encrypt(key, sessionKey, sessionIV);
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setKey(SESSION_KEYS.ENCRYPTION_KEY, { encryptionKey });
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setData(LS_KEYS.SESSION, { sessionKey, sessionIV });
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router.push('/gallery');
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} else {
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setFieldError('confirm', constants.PASSPHRASE_MATCH_ERROR);
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}
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} catch (e) {
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setFieldError('passphrase', `${constants.UNKNOWN_ERROR} ${e.message}`);
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}
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setLoading(false);
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}
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return (<Container>
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<Image alt='vault' src='/vault.svg' />
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<Card>
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<Card.Body>
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<div className="text-center">
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<p>{constants.ENTER_ENC_PASSPHRASE}</p>
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<p>{constants.PASSPHRASE_DISCLAIMER()}</p>
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</div>
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<Formik<formValues>
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initialValues={{ passphrase: '', confirm: '' }}
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validationSchema={Yup.object().shape({
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passphrase: Yup.string().required(constants.REQUIRED),
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confirm: Yup.string().required(constants.REQUIRED),
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})}
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onSubmit={onSubmit}
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>
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{({ values, touched, errors, handleChange, handleBlur, handleSubmit }) => (
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<Form noValidate onSubmit={handleSubmit}>
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<Form.Group>
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<Form.Control
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type="text"
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placeholder={constants.PASSPHRASE_HINT}
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value={values.passphrase}
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onChange={handleChange('passphrase')}
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onBlur={handleBlur('passphrase')}
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isInvalid={Boolean(touched.passphrase && errors.passphrase)}
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disabled={loading}
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/>
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<Form.Control.Feedback type='invalid'>
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{errors.passphrase}
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</Form.Control.Feedback>
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</Form.Group>
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<Form.Group>
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<Form.Control
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type="text"
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placeholder={constants.PASSPHRASE_CONFIRM}
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value={values.confirm}
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onChange={handleChange('confirm')}
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onBlur={handleBlur('confirm')}
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isInvalid={Boolean(touched.confirm && errors.confirm)}
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disabled={loading}
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/>
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<Form.Control.Feedback type='invalid'>
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{errors.confirm}
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</Form.Control.Feedback>
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</Form.Group>
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<Button type="submit" block disabled={loading}>{constants.SET_PASSPHRASE}</Button>
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</Form>
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)}
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</Formik>
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</Card.Body>
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</Card>
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</Container>)
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}
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