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✨ Feat(fixit-decryptor): add param options.duration (#123)

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* @param {Number} [options.duration] number of seconds to cache decryption statistics. unit: s
This commit is contained in:
Cell
2022-05-26 17:39:11 +08:00
parent d756349248
commit 27bceb444f
1 changed files with 21 additions and 12 deletions
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assets/js/fixit-decryptor.js
+21 -12
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@@ -1,13 +1,15 @@
/**
* FixIt decryptor for encrypted pages
* @param {Object} options
* @param {Function} options.decrypted handler after decrypting
* @param {Function} [options.decrypted] handler after decrypting
* @param {Number} [options.duration] number of seconds to cache decryption statistics. unit: s
* @author @Lruihao https://lruihao.cn
* @since v0.2.15
*/
FixItDecryptor = function (options = {}) {
var _proto = FixItDecryptor.prototype;
this.options = options || {};
this.options.duration = this.options.duration || 7 * 24 * 60 * 60; // Default cache 7 days
this.decryptedEventSet = new Set();
/**
@@ -17,7 +19,7 @@ FixItDecryptor = function (options = {}) {
const _decryptor = this;
this.options.decrypted && this.addEventListener('decrypted', this.options.decrypted);
this.validateLocalStorage();
this.validateCache();
document.querySelector('#fixit-decryptor')?.addEventListener('keydown', function (e) {
if (e.key === 'Enter') {
@@ -28,7 +30,6 @@ FixItDecryptor = function (options = {}) {
const saltLen = input.length % 2 ? input.length : input.length + 1;
const inputMd5 = CryptoJS.MD5(input).toString();
const inputSha256 = CryptoJS.SHA256(input).toString();
const base64EncodeContent = $content.getAttribute('data-content').replace(inputSha256.slice(saltLen), '');
if (inputMd5 !== password) {
alert(`Password error: ${input} not the correct password!`);
@@ -38,11 +39,15 @@ FixItDecryptor = function (options = {}) {
try {
document.querySelector('.fixit-decryptor-container').classList.add('d-none');
$content.insertAdjacentHTML('afterbegin', CryptoJS.enc.Base64.parse(base64EncodeContent).toString(CryptoJS.enc.Utf8));
// remember stat
$content.insertAdjacentHTML(
'afterbegin',
CryptoJS.enc.Base64.parse($content.getAttribute('data-content').replace(inputSha256.slice(saltLen), '')).toString(CryptoJS.enc.Utf8)
);
// cache decryption statistics
window.localStorage.setItem(
`fixit-decryptor/#${location.pathname}`,
JSON.stringify({
expiration: Math.ceil(Date.now() / 1000) + _decryptor.options.duration,
md5: inputMd5,
sha256: inputSha256.slice(saltLen)
})
@@ -60,23 +65,27 @@ FixItDecryptor = function (options = {}) {
};
/**
* validate remembered stat in localStorage
* validate the cached decryption statistics in localStorage
* // TODO 简化代码
*/
_proto.validateLocalStorage = () => {
_proto.validateCache = () => {
const $content = document.querySelector('#content');
const password = $content.getAttribute('data-password');
const rememberStat = JSON.parse(window.localStorage.getItem(`fixit-decryptor/#${location.pathname}`));
const cachedStat = JSON.parse(window.localStorage.getItem(`fixit-decryptor/#${location.pathname}`));
if (rememberStat?.md5 && rememberStat?.sha256) {
const base64EncodeContent = $content.getAttribute('data-content').replace(rememberStat.sha256, '');
if (rememberStat.md5 !== password) {
if (cachedStat?.md5 && cachedStat?.sha256 && cachedStat?.expiration) {
if (cachedStat.md5 !== password || cachedStat.expiration < Math.ceil(Date.now() / 1000)) {
document.querySelector('.fixit-decryptor-container').classList.remove('d-none');
window.localStorage.removeItem(`fixit-decryptor/#${location.pathname}`);
return console.warn('The password has expired, please re-enter!');
}
try {
document.querySelector('.fixit-decryptor-container').classList.add('d-none');
$content.insertAdjacentHTML('afterbegin', CryptoJS.enc.Base64.parse(base64EncodeContent).toString(CryptoJS.enc.Utf8));
$content.insertAdjacentHTML(
'afterbegin',
CryptoJS.enc.Base64.parse($content.getAttribute('data-content').replace(cachedStat.sha256, '')).toString(CryptoJS.enc.Utf8)
);
// decrypted hook
for (let event of this.decryptedEventSet) {
event();