security update + make easter egg optional.

2026-08-01 01:54:07 -05:00
parent bd7b3ea6f4
commit 34158ba673
22 changed files with 534 additions and 90 deletions
@@ -0,0 +1,65 @@
+const EASTER_EGG_ENABLED_KEY = "overlord_easter_egg_enabled";
+const EASTER_EGG_SHOWN_KEY = "overlord_easter_egg_shown";
+const EASTER_EGG_URL = "/assets/console.gif";
+
+let activeRender = null;
+
+export function isEasterEggEnabled() {
+  try {
+    return localStorage.getItem(EASTER_EGG_ENABLED_KEY) === "true";
+  } catch {
+    return false;
+  }
+}
+
+export function setEasterEggEnabled(enabled) {
+  try {
+    localStorage.setItem(EASTER_EGG_ENABLED_KEY, String(Boolean(enabled)));
+  } catch {}
+
+  if (!enabled) {
+    try {
+      sessionStorage.removeItem(EASTER_EGG_SHOWN_KEY);
+    } catch {}
+  }
+}
+
+function wasShownThisSession() {
+  try {
+    return sessionStorage.getItem(EASTER_EGG_SHOWN_KEY) === "true";
+  } catch {
+    return false;
+  }
+}
+
+function markShownThisSession() {
+  try {
+    sessionStorage.setItem(EASTER_EGG_SHOWN_KEY, "true");
+  } catch {}
+}
+
+export async function showEnabledEasterEgg({ force = false } = {}) {
+  if (!isEasterEggEnabled() || (!force && wasShownThisSession())) return false;
+  if (activeRender) return activeRender;
+
+  activeRender = (async () => {
+    const response = await fetch(EASTER_EGG_URL);
+    if (!response.ok) throw new Error(`Easter egg failed to load (${response.status})`);
+
+    const blob = await response.blob();
+    if (!blob.type.startsWith("image/")) throw new Error("Easter egg response was not an image");
+
+    const objectUrl = URL.createObjectURL(blob);
+    console.log(
+      "%c     ",
+      `background:url("${objectUrl}") left top/contain no-repeat;font-size:320px;background-color:transparent`,
+    );
+    markShownThisSession();
+    setTimeout(() => URL.revokeObjectURL(objectUrl), 30_000);
+    return true;
+  })().finally(() => {
+    activeRender = null;
+  });
+
+  return activeRender;
+}