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denyRequest skeleton

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Tobe O 2019-08-14 15:09:48 -04:00
parent c69b8e1405
commit ef993eced3
1 changed files with 19 additions and 0 deletions
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19
lib/src/rate_limiter.dart
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@ -1,5 +1,7 @@
import 'dart:async';
import 'package:angel_framework/angel_framework.dart';
import 'package:angel_security/angel_security.dart';
import 'rate_limiting_window.dart';
/// A base class that facilitates rate limiting API's or endpoints,
/// typically to prevent spam and abuse.
@ -16,4 +18,21 @@ abstract class RateLimiter<User> {
final Duration window;
RateLimiter(this.maxRequestsPerWindow, this.window);
/// Computes the current window in which the user is acting.
///
/// For example, if your API was limited to 1000 requests/hour,
/// then you would return a window containing the current hour,
/// and the number of requests the user has sent in the past hour.
FutureOr<RateLimitingWindow<User>> getCurrentWindow(
RequestContext req, ResponseContext res);
/// Updates the underlying store with information about the
/// [newWindow] that the user is operating in.
FutureOr<void> updateCurrentWindow(RequestContext req, ResponseContext res,
RateLimitingWindow<User> newWindow);
FutureOr<Object> denyRequest(RequestContext req, ResponseContext res) {
}
}