budibase/packages/backend-core/src/middleware/builderOnly.ts

import { UserCtx } from "@budibase/types"
import { isBuilder, hasBuilderPermissions } from "../users"
import { getAppId } from "../context"
import env from "../environment"

export default async (ctx: UserCtx, next: any) => {
  const appId = getAppId()
  const builderFn = env.isWorker()
    ? hasBuilderPermissions
    : env.isApps()
    ? isBuilder
    : undefined
  if (!builderFn) {
    throw new Error("Service name unknown - middleware inactive.")
  }
  if (!ctx.internal && !isBuilder(ctx.user, appId)) {
    ctx.throw(403, "Builder user only endpoint.")
  }
  return next()
}