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Encode dayStreak cookie with base64 #1741

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Encode dayStreak cookie with base64 #1741

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23 changes: 18 additions & 5 deletions intranet/static/themes/snow/snow.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,29 @@
* Credits: dmorris, zyaro
* Modified for Ion (Intranet3) by: 2016jwoglom, 2025azhu
*/

function encodeBase64(str) {
return btoa(unescape(encodeURIComponent(str)));
}

function decodeBase64(str) {
try {
return decodeURIComponent(escape(atob(str)));
} catch (e) {
return null;
}
}

$(function () {
$("head").first().append("<script nomodule src='/static/js/vendor/js.cookie.min.js'></script>");
let enabled = Cookies.get("disable-theme") == "1" ? false : true;

if (enabled) {
// Snow streak - How many days in a row the user has seen the theme. Controls size and speed of snow.
let dayStreak = Cookies.get("dayStreak");
let dayStreak = decodeBase64(Cookies.get("dayStreak"));
if (dayStreak == null) {
Cookies.set("dayStreak", 1, { expires: 5 * 7 });
dayStreak = 1;
Cookies.set("dayStreak", encodeBase64(String(dayStreak)), { expires: 5 * 7 });
}

let day = new Date().getDate();
Expand All @@ -21,8 +34,8 @@ $(function () {
prevDay = day;
}
if (prevDay < day) {
Cookies.set("dayStreak", parseInt(dayStreak) + 1, { expires: 5 * 7 });
dayStreak = parseInt(dayStreak) + 1;
Cookies.set("dayStreak", encodeBase64(String(dayStreak)), { expires: 5 * 7 });
Cookies.set("prevDay", day, { expires: 5 * 7 });
}

Expand Down Expand Up @@ -538,12 +551,12 @@ function toggleTheme() {

function handleDecreaseSnowStreak() {
if(confirm("Are you sure you want to decrease your snow streak by 1?")) {
let dayStreak = Cookies.get("dayStreak");
let dayStreak = decodeBase64(Cookies.get("dayStreak"));
if(dayStreak <= 1) {
alert("Your snow streak is already 1 and cannot be decreased further.");
return;
}
Cookies.set("dayStreak", parseInt(dayStreak) - 1, { expires: 5 * 7 });
Cookies.set("dayStreak", encodeBase64(String(parseInt(dayStreak) - 1)), { expires: 5 * 7 });
location.reload();
}
}
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