Function Recover

pkg/webmiddleware/recover.go:32–52

Recover returns middleware that recovers from panics.

()

// Recover returns middleware that recovers from panics.
func Recover() MiddlewareFunc {
	return func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			defer func() {
				if p := recover(); p != nil {
					fmt.Fprintln(os.Stderr, p)
					os.Stderr.Write(debug.Stack())
					var err error
					if pErr, ok := p.(error); ok {
						err = errHTTPRecovered.WithCause(pErr)
					} else {
						err = errHTTPRecovered.WithAttributes("panic", p)
					}
					log.FromContext(r.Context()).WithError(err).Error("Handler panicked")
					webhandlers.Error(w, r, err)
				}
			}()
			next.ServeHTTP(w, r)
		})
	}
}