diff --git a/src/server/lib/schemas/accounts.ts b/src/server/lib/schemas/accounts.ts
index 7ff9699..64052b6 100644
--- a/src/server/lib/schemas/accounts.ts
+++ b/src/server/lib/schemas/accounts.ts
@@ -1,5 +1,6 @@
 import {z} from "zod"
 import { FileId, FileVisibility } from "./files.js"
+import { RGBHex } from "./misc.js"
 
 export const StringPassword = z.string().min(8,"password must be at least 8 characters")
 export const Password =
@@ -46,7 +47,7 @@ export namespace Settings {
         barSide: BarSide.default("left")
     })
     export const Links = z.object({
-        color: z.string().toLowerCase().length(6).regex(/^[a-f0-9]+$/,"illegal characters").optional(),
+        color: RGBHex.optional(),
         largeImage: z.boolean().default(false)
     })
     export const User = z.object({
diff --git a/src/server/lib/schemas/misc.ts b/src/server/lib/schemas/misc.ts
new file mode 100644
index 0000000..7eea94d
--- /dev/null
+++ b/src/server/lib/schemas/misc.ts
@@ -0,0 +1,3 @@
+import { z } from "zod";
+
+export const RGBHex = z.string().toLowerCase().length(6).regex(/^[a-f0-9]+$/,"illegal characters")
\ No newline at end of file
diff --git a/src/server/routes/api/v1/file/index.ts b/src/server/routes/api/v1/file/index.ts
index bf254a9..f943450 100644
--- a/src/server/routes/api/v1/file/index.ts
+++ b/src/server/routes/api/v1/file/index.ts
@@ -13,6 +13,7 @@ import pkg from "../../../../lib/package.js"
 import { type StatusCode } from "hono/utils/http-status"
 import { z } from "zod"
 import { FileSchemas } from "../../../../lib/schemas/index.js"
+import config from "../../../../lib/config.js"
 
 const router = new Hono<{
     Variables: {
@@ -54,6 +55,9 @@ export default function(files: Files) {
             if (!ctx.req.raw.body)
                 return resolve(ctx.body("body must be supplied", 400))
 
+            if (config.accounts.requiredForUpload && !acc)
+                return resolve(ctx.body("instance requires you to be authenticated to upload files", 401))
+
             let file = files.createWriteStream(acc?.id)
 
             file