Merge pull request #5048 from Dokploy/fix/openapi-body-size-limits

fix(api): configurable body size limits for OpenAPI catch-all route

apps/dokploy/pages/api/[...trpc].ts

@@ -1,4 +1,8 @@
-import { validateRequest } from "@dokploy/server";
+import {
+	OPENAPI_MAX_JSON_BODY_SIZE,
+	OPENAPI_MAX_UPLOAD_SIZE,
+	validateRequest,
+} from "@dokploy/server";
 import { createOpenApiNextHandler } from "@dokploy/trpc-openapi";
 import type { NextApiRequest, NextApiResponse } from "next";
 import { appRouter } from "@/server/api/root";
@@ -12,10 +16,31 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
 		return;
 	}
 
+	// getMultipartBody doesn't accept maxBodySize, so we cap it here instead.
+	const contentLength = Number(req.headers["content-length"]);
+	const isMultipart = req.headers["content-type"]?.startsWith(
+		"multipart/form-data",
+	);
+
+	if (isMultipart && !Number.isFinite(contentLength)) {
+		res.status(411).json({ message: "Content-Length required" });
+		return;
+	}
+
+	const limit = isMultipart
+		? OPENAPI_MAX_UPLOAD_SIZE
+		: OPENAPI_MAX_JSON_BODY_SIZE;
+
+	if (Number.isFinite(contentLength) && contentLength > limit) {
+		res.status(413).json({ message: "Payload too large" });
+		return;
+	}
+
 	// @ts-ignore
 	return createOpenApiNextHandler({
 		router: appRouter,
 		createContext: createTRPCContext,
+		maxBodySize: OPENAPI_MAX_JSON_BODY_SIZE,
 		onError:
 			process.env.NODE_ENV === "development"
 				? ({ path, error }: { path: string | undefined; error: Error }) => {
@@ -28,3 +53,9 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
 };
 
 export default handler;
+
+export const config = {
+	api: {
+		bodyParser: false,
+	},
+};