firecrawl/apps/api/src/services/idempotency/validate.ts

import { Request } from "express";
import { supabase_service } from "../supabase";
import { validate as isUuid } from 'uuid';

export async function validateIdempotencyKey(
  req: Request,
): Promise<boolean> {
  const idempotencyKey = req.headers['x-idempotency-key'];
  if (!idempotencyKey) {
    // // not returning for missing idempotency key for now
    return true;
  }
  if (!isUuid(idempotencyKey)) {
    console.error("Invalid idempotency key provided in the request headers.");
    return false;
  }

  const { data, error } = await supabase_service
    .from("idempotency_keys")
    .select("key")
    .eq("key", idempotencyKey);
  
  if (error) {
    console.error(error);
  }

  if (!data || data.length === 0) {
    return true;
  }

  return false;
}