2021-06-06 11:37:08 +02:00
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use super::IntoResponse;
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use crate::body::Body;
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macro_rules! define_rejection {
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(
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#[status = $status:ident]
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#[body = $body:expr]
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pub struct $name:ident (());
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) => {
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#[derive(Debug)]
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pub struct $name(pub(super) ());
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2021-06-06 22:41:52 +02:00
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impl IntoResponse for $name {
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2021-06-06 11:37:08 +02:00
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fn into_response(self) -> http::Response<Body> {
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let mut res = http::Response::new(Body::from($body));
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*res.status_mut() = http::StatusCode::$status;
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res
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}
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}
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};
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(
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#[status = $status:ident]
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#[body = $body:expr]
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pub struct $name:ident (BoxError);
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) => {
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#[derive(Debug)]
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pub struct $name(pub(super) tower::BoxError);
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impl $name {
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pub(super) fn from_err<E>(err: E) -> Self
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where
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E: Into<tower::BoxError>,
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{
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Self(err.into())
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}
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}
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2021-06-06 22:41:52 +02:00
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impl IntoResponse for $name {
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2021-06-06 11:37:08 +02:00
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fn into_response(self) -> http::Response<Body> {
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let mut res =
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http::Response::new(Body::from(format!(concat!($body, ": {}"), self.0)));
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*res.status_mut() = http::StatusCode::$status;
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res
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}
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}
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};
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}
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define_rejection! {
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#[status = BAD_REQUEST]
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#[body = "Query string was invalid or missing"]
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pub struct QueryStringMissing(());
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}
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define_rejection! {
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#[status = BAD_REQUEST]
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#[body = "Failed to parse the response body as JSON"]
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pub struct InvalidJsonBody(BoxError);
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}
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define_rejection! {
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#[status = BAD_REQUEST]
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#[body = "Expected request with `Content-Type: application/json`"]
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pub struct MissingJsonContentType(());
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}
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define_rejection! {
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#[status = INTERNAL_SERVER_ERROR]
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#[body = "Missing request extension"]
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pub struct MissingExtension(());
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}
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define_rejection! {
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#[status = BAD_REQUEST]
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#[body = "Failed to buffer the request body"]
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pub struct FailedToBufferBody(BoxError);
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}
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define_rejection! {
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#[status = BAD_REQUEST]
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#[body = "Response body didn't contain valid UTF-8"]
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pub struct InvalidUtf8(BoxError);
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}
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define_rejection! {
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#[status = PAYLOAD_TOO_LARGE]
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#[body = "Request payload is too large"]
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pub struct PayloadTooLarge(());
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}
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define_rejection! {
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#[status = LENGTH_REQUIRED]
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#[body = "Content length header is required"]
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pub struct LengthRequired(());
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}
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define_rejection! {
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#[status = INTERNAL_SERVER_ERROR]
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#[body = "No url params found for matched route. This is a bug in tower-web. Please open an issue"]
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pub struct MissingRouteParams(());
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}
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define_rejection! {
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#[status = INTERNAL_SERVER_ERROR]
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#[body = "Cannot have two request body extractors for a single handler"]
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pub struct BodyAlreadyTaken(());
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}
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2021-06-06 22:41:52 +02:00
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#[derive(Debug)]
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pub struct InvalidUrlParam {
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type_name: &'static str,
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}
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impl InvalidUrlParam {
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pub(super) fn new<T>() -> Self {
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InvalidUrlParam {
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type_name: std::any::type_name::<T>(),
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}
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}
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}
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impl IntoResponse for InvalidUrlParam {
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fn into_response(self) -> http::Response<Body> {
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let mut res = http::Response::new(Body::from(format!(
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"Invalid URL param. Expected something of type `{}`",
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self.type_name
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)));
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*res.status_mut() = http::StatusCode::BAD_REQUEST;
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res
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}
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}
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