77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
import { retrieveData } from "./storage.js";
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import sha256 from "./sha256.min.js";
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import XORCipher from "./xorc.js";
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import getBrowserFingerprint from "./identify.js"
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export const passwordHash = {
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toString: () => {
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let fp = getBrowserFingerprint( { hardwareOnly: true } );
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let data;
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try {
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data = window.sessionStorage.getItem(sha256(fp));
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} catch (e) {
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return "none";
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}
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if (data === null) return "none";
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return XORCipher.decode(fp, data);
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},
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set: (pw) => {
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let fp = getBrowserFingerprint( { hardwareOnly: true } );
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window.sessionStorage.setItem(sha256(fp), XORCipher.encode(fp, pw));
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}
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}
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function setPassword() {
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let x = document.getElementById("loginForm");
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let pw = x.elements[0].value;
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if (pw != "" || pw !== "undefined") {
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let pwOld = pw;
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passwordHash.set(sha256(pw));
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let templateFiles = retrieveData("templateFiles");
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if (templateFiles != "") {
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try {
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JSON.parse(templateFiles);
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} catch (e) {
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document.getElementById("wrongPWAlert").style.display = "block";
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const alertTimeout = setTimeout(() => {
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document.getElementById("wrongPWAlert").style.display = "none";
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}, 5000);
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passwordHash.set(pwOld);
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x.elements[0].value = "";
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return;
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}
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}
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//user logged in
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document.getElementById("login").style.display = "none";
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window.sessionStorage.setItem(sha256("verified"), XORCipher.encode(sha256("passwordHash"), passwordHash));
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}
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}
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export function getUsrId() {
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const fingerprint = getBrowserFingerprint( { hardwareOnly: true } );
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return cyrb53(fingerprint + passwordHash);
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}
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const cyrb53 = (str, seed = 21) => {
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let h1 = 0xdeadbeef ^ seed,
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h2 = 0x41c6ce57 ^ seed;
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for (let i = 0, ch; i < str.length; i++) {
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ch = str.charCodeAt(i);
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h1 = Math.imul(h1 ^ ch, 2654435761);
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h2 = Math.imul(h2 ^ ch, 1597334677);
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}
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h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
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h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
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return 4294967296 * (2097151 & h2) + (h1 >>> 0);
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};
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export default setPassword;
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