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feat: auto-retry uploads when rate limited (v0.13.0)

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Backend: rate limiter gains check_with_retry() returning seconds until
the next slot opens. Upload 429 responses include retry_after_secs in
JSON and a Retry-After header.

Frontend: upload queue catches 429 as RateLimitError, resets affected
item to pending, schedules processQueue() for the server-reported delay,
and shows a live countdown banner in the queue UI.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-04-03 18:37:51 +02:00
parent 3dc69e6c6d
commit de0e395a9e
8 changed files with 113 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
backend/src/handlers/admin.rs
View File

@@ -180,9 +180,7 @@ pub async fn download_zip(
let ip = client_ip(&headers, "unknown");
let limit = get_config_usize(&state.pool, "export_rate_per_day", 3).await;
if !state.rate_limiter.check(format!("export:{ip}"), limit, Duration::from_secs(86400)) {
return Err(AppError::TooManyRequests(
"Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(),
));
return Err(AppError::TooManyRequests("Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(), None));
}
let event = crate::models::event::Event::find_by_slug(&state.pool, &state.config.event_slug)
@@ -211,9 +209,7 @@ pub async fn download_html(
let ip = client_ip(&headers, "unknown");
let limit = get_config_usize(&state.pool, "export_rate_per_day", 3).await;
if !state.rate_limiter.check(format!("export:{ip}"), limit, Duration::from_secs(86400)) {
return Err(AppError::TooManyRequests(
"Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(),
));
return Err(AppError::TooManyRequests("Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(), None));
}
let event = crate::models::event::Event::find_by_slug(&state.pool, &state.config.event_slug)

4
backend/src/handlers/feed.rs
View File

@@ -63,9 +63,7 @@ pub async fn feed(
let ip = client_ip(&headers, "unknown");
let rate_limit = get_config_usize(&state.pool, "feed_rate_per_min", 60).await;
if !state.rate_limiter.check(format!("feed:{ip}"), rate_limit, Duration::from_secs(60)) {
return Err(AppError::TooManyRequests(
"Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(),
));
return Err(AppError::TooManyRequests("Zu viele Anfragen. Bitte warte kurz und versuche es erneut.".into(), None));
}
let limit = q.limit.unwrap_or(20).min(100);

5
backend/src/handlers/upload.rs
View File

@@ -20,13 +20,14 @@ pub async fn upload(
) -> Result<(StatusCode, Json<UploadDto>), AppError> {
// Rate limit: N uploads per hour per user
let upload_rate = get_config_i64(&state.pool, "upload_rate_per_hour", 10).await as usize;
if !state
if let Err(retry_after_secs) = state
.rate_limiter
.check(format!("upload:{}", auth.user_id), upload_rate, Duration::from_secs(3600))
.check_with_retry(format!("upload:{}", auth.user_id), upload_rate, Duration::from_secs(3600))
{
drain_multipart(multipart).await;
return Err(AppError::TooManyRequests(
"Du hast dein Upload-Limit für diese Stunde erreicht.".into(),
Some(retry_after_secs),
));
}