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package stdlib
import (
"net/http"
)
// Option is used to define Middleware configuration.
type Option interface {
apply(*Middleware)
}
type option func(*Middleware)
func (o option) apply(middleware *Middleware) {
o(middleware)
}
// ErrorHandler is an handler used to inform when an error has occurred.
type ErrorHandler func(w http.ResponseWriter, r *http.Request, err error)
// WithErrorHandler will configure the Middleware to use the given ErrorHandler.
func WithErrorHandler(handler ErrorHandler) Option {
return option(func(middleware *Middleware) {
middleware.OnError = handler
})
}
// DefaultErrorHandler is the default ErrorHandler used by a new Middleware.
func DefaultErrorHandler(w http.ResponseWriter, r *http.Request, err error) {
panic(err)
}
// LimitReachedHandler is an handler used to inform when the limit has exceeded.
type LimitReachedHandler func(w http.ResponseWriter, r *http.Request)
// WithLimitReachedHandler will configure the Middleware to use the given LimitReachedHandler.
func WithLimitReachedHandler(handler LimitReachedHandler) Option {
return option(func(middleware *Middleware) {
middleware.OnLimitReached = handler
})
}
// DefaultLimitReachedHandler is the default LimitReachedHandler used by a new Middleware.
func DefaultLimitReachedHandler(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Limit exceeded", http.StatusTooManyRequests)
}
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