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The only solution I found for this for was using custom middleware and checking the status code. Hopefully a better solution is found in the future. If the payload is too big, the Note that with approach if it ever reaches the handlers and any handler sends a 413 error message, the response will be overwritten by this middleware. use crate::{
middleware,
prelude::*,
};
use axum::middleware as axum_middleware;
pub fn app(app_state: ApiState) -> ApiResult<Router> {
let cors = setup_cors(app_state.settings)?;
let app = Router::new()
.nest("/api/{version}", all_routes(app_state.clone()))
.layer(axum_middleware::from_fn_with_state(
app_state,
middleware::extract_token_if_present,
))
.layer(RequestBodyLimitLayer::new(1000 * 1000 * 2))
.layer(axum_middleware::from_fn(middleware::handle_large_request));
Ok(app)
}
pub async fn handle_large_request(req: Request, next: Next) -> ApiResult<Response<Body>> {
let response = next.run(req).await;
if response.status() == StatusCode::PAYLOAD_TOO_LARGE {
// customize based on what you want
return Err(ApiError::PayloadTooLarge);
}
Ok(response)
} |
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I'm building a simple API server and I want as many of its responses to be JSON-formatted, including errors. I wanted to put a request timeout on this server and a max request body limit. I quickly found out that
tower_http's TimeoutLayer could not be customized because it automatically converts errors to a response with a text/plain body. Howevertower's TimeoutLayer can be customized with aHandleErrorLayerso I did just that. Unfortunately, I have not been able to find anything likeRequestBodyLimitLayerintower. Seemingly onlytower_httphas this layer which does not allow customization.How can I solve this without creating my own service layer?
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