Switch to nuxt assets for emojis (#311)

* switch to nuxt assets for emojis

* add auth to emoji endpoint

* fix cache control header

* fix type error

server/api/v1/emoji/[codepoint]/index.get.ts

@@ -0,0 +1,39 @@
+import aclManager from "~/server/internal/acls";
+
+export default defineEventHandler(async (h3) => {
+  const allowed = await aclManager.hasACL(h3, [
+    "system:setup",
+    "user:emoji:read",
+  ]);
+  if (!allowed)
+    throw createError({
+      statusCode: 403,
+      statusMessage: "Requires authentication",
+    });
+
+  const codepoint = getRouterParam(h3, "codepoint");
+  if (!codepoint) {
+    throw createError({
+      statusCode: 400,
+      statusMessage: "Missing codepoint parameter",
+    });
+  }
+
+  // Get the emoji SVG from server assets
+  const asset = await useStorage("assets:twemoji").getItemRaw(
+    `${codepoint}.svg`,
+  );
+
+  if (!asset) {
+    throw createError({
+      statusCode: 404,
+      statusMessage: "Emoji not found",
+    });
+  }
+
+  // Set proper content type for SVG
+  setResponseHeader(h3, "Content-Type", "image/svg+xml");
+  setResponseHeader(h3, "Cache-Control", "private, max-age=31536000");
+
+  return asset;
+});