//! Basic http responses #![allow(non_upper_case_globals)] use http::{StatusCode, Error as HttpError}; use body::Body; use handler::{Reply, Handler, RouteHandler, Responder}; use httprequest::HttpRequest; use httpresponse::{HttpResponse, HttpResponseBuilder}; pub const HTTPOk: StaticResponse = StaticResponse(StatusCode::OK); pub const HTTPCreated: StaticResponse = StaticResponse(StatusCode::CREATED); pub const HTTPNoContent: StaticResponse = StaticResponse(StatusCode::NO_CONTENT); pub const HTTPMultipleChoices: StaticResponse = StaticResponse(StatusCode::MULTIPLE_CHOICES); pub const HTTPMovedPermanenty: StaticResponse = StaticResponse(StatusCode::MOVED_PERMANENTLY); pub const HTTPFound: StaticResponse = StaticResponse(StatusCode::FOUND); pub const HTTPSeeOther: StaticResponse = StaticResponse(StatusCode::SEE_OTHER); pub const HTTPNotModified: StaticResponse = StaticResponse(StatusCode::NOT_MODIFIED); pub const HTTPUseProxy: StaticResponse = StaticResponse(StatusCode::USE_PROXY); pub const HTTPTemporaryRedirect: StaticResponse = StaticResponse(StatusCode::TEMPORARY_REDIRECT); pub const HTTPPermanentRedirect: StaticResponse = StaticResponse(StatusCode::PERMANENT_REDIRECT); pub const HTTPBadRequest: StaticResponse = StaticResponse(StatusCode::BAD_REQUEST); pub const HTTPNotFound: StaticResponse = StaticResponse(StatusCode::NOT_FOUND); pub const HTTPUnauthorized: StaticResponse = StaticResponse(StatusCode::UNAUTHORIZED); pub const HTTPPaymentRequired: StaticResponse = StaticResponse(StatusCode::PAYMENT_REQUIRED); pub const HTTPForbidden: StaticResponse = StaticResponse(StatusCode::FORBIDDEN); pub const HTTPMethodNotAllowed: StaticResponse = StaticResponse(StatusCode::METHOD_NOT_ALLOWED); pub const HTTPNotAcceptable: StaticResponse = StaticResponse(StatusCode::NOT_ACCEPTABLE); pub const HTTPProxyAuthenticationRequired: StaticResponse = StaticResponse(StatusCode::PROXY_AUTHENTICATION_REQUIRED); pub const HTTPRequestTimeout: StaticResponse = StaticResponse(StatusCode::REQUEST_TIMEOUT); pub const HTTPConflict: StaticResponse = StaticResponse(StatusCode::CONFLICT); pub const HTTPGone: StaticResponse = StaticResponse(StatusCode::GONE); pub const HTTPLengthRequired: StaticResponse = StaticResponse(StatusCode::LENGTH_REQUIRED); pub const HTTPPreconditionFailed: StaticResponse = StaticResponse(StatusCode::PRECONDITION_FAILED); pub const HTTPPayloadTooLarge: StaticResponse = StaticResponse(StatusCode::PAYLOAD_TOO_LARGE); pub const HTTPUriTooLong: StaticResponse = StaticResponse(StatusCode::URI_TOO_LONG); pub const HTTPExpectationFailed: StaticResponse = StaticResponse(StatusCode::EXPECTATION_FAILED); pub const HTTPInternalServerError: StaticResponse = StaticResponse(StatusCode::INTERNAL_SERVER_ERROR); pub struct StaticResponse(StatusCode); impl StaticResponse { pub fn build(&self) -> HttpResponseBuilder { HttpResponse::build(self.0) } pub fn response(&self) -> HttpResponse { HttpResponse::new(self.0, Body::Empty) } pub fn with_reason(self, reason: &'static str) -> HttpResponse { let mut resp = HttpResponse::new(self.0, Body::Empty); resp.set_reason(reason); resp } pub fn with_body>(self, body: B) -> HttpResponse { HttpResponse::new(self.0, body.into()) } } impl Handler for StaticResponse { type Result = HttpResponse; fn handle(&mut self, _: HttpRequest) -> HttpResponse { HttpResponse::new(self.0, Body::Empty) } } impl RouteHandler for StaticResponse { fn handle(&mut self, _: HttpRequest) -> Reply { Reply::response(HttpResponse::new(self.0, Body::Empty)) } } impl Responder for StaticResponse { type Item = HttpResponse; type Error = HttpError; fn respond_to(self, _: HttpRequest) -> Result { self.build().body(Body::Empty) } } impl From for HttpResponse { fn from(st: StaticResponse) -> Self { st.response() } } macro_rules! STATIC_RESP { ($name:ident, $status:expr) => { #[allow(non_snake_case)] pub fn $name() -> HttpResponseBuilder { HttpResponse::build($status) } } } impl HttpResponse { STATIC_RESP!(Ok, StatusCode::OK); STATIC_RESP!(Created, StatusCode::CREATED); STATIC_RESP!(NoContent, StatusCode::NO_CONTENT); STATIC_RESP!(MultipleChoices, StatusCode::MULTIPLE_CHOICES); STATIC_RESP!(MovedPermanenty, StatusCode::MOVED_PERMANENTLY); STATIC_RESP!(Found, StatusCode::FOUND); STATIC_RESP!(SeeOther, StatusCode::SEE_OTHER); STATIC_RESP!(NotModified, StatusCode::NOT_MODIFIED); STATIC_RESP!(UseProxy, StatusCode::USE_PROXY); STATIC_RESP!(TemporaryRedirect, StatusCode::TEMPORARY_REDIRECT); STATIC_RESP!(PermanentRedirect, StatusCode::PERMANENT_REDIRECT); STATIC_RESP!(BadRequest, StatusCode::BAD_REQUEST); STATIC_RESP!(NotFound, StatusCode::NOT_FOUND); STATIC_RESP!(Unauthorized, StatusCode::UNAUTHORIZED); STATIC_RESP!(PaymentRequired, StatusCode::PAYMENT_REQUIRED); STATIC_RESP!(Forbidden, StatusCode::FORBIDDEN); STATIC_RESP!(MethodNotAllowed, StatusCode::METHOD_NOT_ALLOWED); STATIC_RESP!(NotAcceptable, StatusCode::NOT_ACCEPTABLE); STATIC_RESP!(ProxyAuthenticationRequired, StatusCode::PROXY_AUTHENTICATION_REQUIRED); STATIC_RESP!(RequestTimeout, StatusCode::REQUEST_TIMEOUT); STATIC_RESP!(Conflict, StatusCode::CONFLICT); STATIC_RESP!(Gone, StatusCode::GONE); STATIC_RESP!(LengthRequired, StatusCode::LENGTH_REQUIRED); STATIC_RESP!(PreconditionFailed, StatusCode::PRECONDITION_FAILED); STATIC_RESP!(PayloadTooLarge, StatusCode::PAYLOAD_TOO_LARGE); STATIC_RESP!(UriTooLong, StatusCode::URI_TOO_LONG); STATIC_RESP!(ExpectationFailed, StatusCode::EXPECTATION_FAILED); STATIC_RESP!(InternalServerError, StatusCode::INTERNAL_SERVER_ERROR); } #[cfg(test)] mod tests { use http::StatusCode; use super::{HTTPOk, HTTPBadRequest, Body, HttpResponse}; #[test] fn test_build() { let resp = HTTPOk.build().body(Body::Empty).unwrap(); assert_eq!(resp.status(), StatusCode::OK); } #[test] fn test_response() { let resp = HTTPOk.response(); assert_eq!(resp.status(), StatusCode::OK); } #[test] fn test_from() { let resp: HttpResponse = HTTPOk.into(); assert_eq!(resp.status(), StatusCode::OK); } #[test] fn test_with_reason() { let resp = HTTPOk.response(); assert_eq!(resp.reason(), "OK"); let resp = HTTPBadRequest.with_reason("test"); assert_eq!(resp.status(), StatusCode::BAD_REQUEST); assert_eq!(resp.reason(), "test"); } }