diegosouzapw/OmniRoute · error · RequestBodyTooLargeError

Request body exceeds ${formatBytes(limit)}

Error message

Request body exceeds ${formatBytes(limit)}

What it means

Error "Request body exceeds ${formatBytes(limit)}" thrown in diegosouzapw/OmniRoute.

Source

Thrown at src/shared/middleware/bodySizeGuard.ts:141

export class RequestBodyTooLargeError extends Error {
  constructor(readonly limit: number) {
    super(`Request body exceeds ${formatBytes(limit)}`);
    this.name = "RequestBodyTooLargeError";
  }
}

/**
 * Read a request body while enforcing the actual streamed byte count. This closes the gap left by
 * Content-Length-only admission for chunked or deliberately mislabelled requests.
 */
export async function readRequestBodyWithLimit(
  request: Request,
  limit: number
): Promise<Uint8Array<ArrayBuffer>> {
  const declaredLength = Number.parseInt(request.headers.get("content-length") || "", 10);
  if (!Number.isNaN(declaredLength) && declaredLength > limit) {
    throw new RequestBodyTooLargeError(limit);
  }
  if (!request.body) return new Uint8Array(0);

  const reader = request.body.getReader();
  const chunks: Uint8Array[] = [];
  let total = 0;
  try {
    while (true) {
      const { done, value } = await reader.read();
      if (done) break;
      total += value.byteLength;
      if (total > limit) {
        await reader.cancel("request body too large");
        throw new RequestBodyTooLargeError(limit);
      }
      chunks.push(value);
    }
  } finally {

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at src/shared/middleware/bodySizeGuard.ts:141 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/b885ac5e440bb89d. Report an issue: GitHub.