Function panicRecover

apis/middlewares.go:253–283

panicRecover returns a default panic-recover handler.

()

// panicRecover returns a default panic-recover handler.
func panicRecover() *hook.Handler[*core.RequestEvent] {
	return &hook.Handler[*core.RequestEvent]{
		Id:       DefaultPanicRecoverMiddlewareId,
		Priority: DefaultPanicRecoverMiddlewarePriority,
		Func: func(e *core.RequestEvent) (err error) {
			// panic-recover
			defer func() {
				recoverResult := recover()
				if recoverResult == nil {
					return
				}

				recoverErr, ok := recoverResult.(error)
				if !ok {
					recoverErr = fmt.Errorf("%v", recoverResult)
				} else if errors.Is(recoverErr, http.ErrAbortHandler) {
					// don't recover ErrAbortHandler so the response to the client can be aborted
					panic(recoverResult)
				}

				stack := make([]byte, 2<<10) // 2 KB
				length := runtime.Stack(stack, true)
				err = e.InternalServerError("", fmt.Errorf("[PANIC RECOVER] %w %s", recoverErr, stack[:length]))
			}()

			err = e.Next()

			return err
		},
	}
}

// securityHeaders middleware adds common security headers to the response.
//