110 lines
3.2 KiB
JavaScript
110 lines
3.2 KiB
JavaScript
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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import { loadNavBar } from "./web.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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let cookieFlag = x.elements[1].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 data = window.localStorage.getItem(sha256('chk'));
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if (data !== null) {
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let chk = XORCipher.decode(passwordHash.toString(), data);
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if (chk != "") {
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try {
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JSON.parse(chk);
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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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}
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//user logged in
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//load NavigationBar with templates according to server
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//set cookie if flag is true
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loadNavBar();
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document.getElementById("login").style.display = "none";
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window.sessionStorage.setItem(sha256("verified"), XORCipher.encode(sha256("passwordHash"), passwordHash.toString()));
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if (cookieFlag == 'on') {
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setCookie(sha256("verified"), XORCipher.encode(sha256("passwordHash"), passwordHash.toString()), 30)
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}
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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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function setCookie(cname, cvalue, exdays) {
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const d = new Date();
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d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
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let expires = "expires="+d.toUTCString();
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document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
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}
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export function getCookie(cname) {
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let name = cname + "=";
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let ca = document.cookie.split(';');
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for(let i = 0; i < ca.length; i++) {
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let c = ca[i];
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while (c.charAt(0) == ' ') {
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c = c.substring(1);
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}
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if (c.indexOf(name) == 0) {
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return c.substring(name.length, c.length);
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}
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}
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return null;
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}
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export default setPassword;
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