fix wacky uscir bug

server/src/server/middleware/multer-upload.ts

@@ -13,7 +13,8 @@ export const DefaultMulterUpload = multer({ limits: { fileSize: 1024 * 1024 * 16
 export const CreateMulterSingleUploadMiddleware = (
 	fieldName: string,
 	fileSize: integer = SIXTEEN_MEGABTYES,
-	logger = defaultLogger
+	logger = defaultLogger,
+	throwOnNoFile = true
 ): RequestHandler => {
 	const UploadMW = multer({ limits: { fileSize } }).single(fieldName);
 
@@ -36,7 +37,7 @@ export const CreateMulterSingleUploadMiddleware = (
 				});
 			}
 
-			if (!req.file) {
+			if (!req.file && throwOnNoFile) {
 				return res.status(400).json({
 					success: false,
 					description: `Expected a file for field ${fieldName}.`,

server/src/server/router/ir/usc/router.ts

@@ -318,7 +318,7 @@ router.post("/scores", RequirePermissions("submit_score"), async (req, res) => {
 router.post(
 	"/replays",
 	RequirePermissions("submit_score"),
-	CreateMulterSingleUploadMiddleware("replay", ONE_MEGABYTE, logger),
+	CreateMulterSingleUploadMiddleware("replay", ONE_MEGABYTE, logger, false),
 	async (req, res) => {
 		if (typeof req.body.identifier !== "string") {
 			return res.status(200).json({