Add Multipart extractor for consuming multipart/form-data requests (#32)

Multipart implementation on top of `multer`
2026-08-28 00:00:20 +02:00 · 2021-07-14 16:53:37 +02:00
parent e641caefaf
commit 028c472c84
7 changed files with 358 additions and 103 deletions
@@ -32,3 +32,92 @@ macro_rules! opaque_future {
        }
    };
 }
+
+macro_rules! define_rejection {
+    (
+        #[status = $status:ident]
+        #[body = $body:expr]
+        $(#[$m:meta])*
+        pub struct $name:ident;
+    ) => {
+        $(#[$m])*
+        #[derive(Debug)]
+        #[non_exhaustive]
+        pub struct $name;
+
+        impl $crate::response::IntoResponse for $name {
+            fn into_response(self) -> http::Response<$crate::body::Body> {
+                let mut res = http::Response::new($crate::body::Body::from($body));
+                *res.status_mut() = http::StatusCode::$status;
+                res
+            }
+        }
+    };
+
+    (
+        #[status = $status:ident]
+        #[body = $body:expr]
+        $(#[$m:meta])*
+        pub struct $name:ident (BoxError);
+    ) => {
+        $(#[$m])*
+        #[derive(Debug)]
+        pub struct $name(pub(super) tower::BoxError);
+
+        impl $name {
+            pub(super) fn from_err<E>(err: E) -> Self
+            where
+                E: Into<tower::BoxError>,
+            {
+                Self(err.into())
+            }
+        }
+
+        impl IntoResponse for $name {
+            fn into_response(self) -> http::Response<Body> {
+                let mut res =
+                    http::Response::new(Body::from(format!(concat!($body, ": {}"), self.0)));
+                *res.status_mut() = http::StatusCode::$status;
+                res
+            }
+        }
+    };
+}
+
+macro_rules! composite_rejection {
+    (
+        $(#[$m:meta])*
+        pub enum $name:ident {
+            $($variant:ident),+
+            $(,)?
+        }
+    ) => {
+        $(#[$m])*
+        #[derive(Debug)]
+        #[non_exhaustive]
+        pub enum $name {
+            $(
+                #[allow(missing_docs)]
+                $variant($variant)
+            ),+
+        }
+
+        impl $crate::response::IntoResponse for $name {
+            fn into_response(self) -> http::Response<$crate::body::Body> {
+                match self {
+                    $(
+                        Self::$variant(inner) => inner.into_response(),
+                    )+
+                }
+            }
+        }
+
+        $(
+            impl From<$variant> for $name {
+                fn from(inner: $variant) -> Self {
+                    Self::$variant(inner)
+                }
+            }
+        )+
+    };
+}