Merge branch 'master' of github.com:actix/actix-web

CHANGES.md

@@ -8,6 +8,7 @@
 
 * Allow to re-construct `ServiceRequest` from `HttpRequest` and `Payload`
 
+* Make UrlEncodedError::Overflow more informativve
 
 ## [1.0.7] - 2019-08-29
 

actix-http/CHANGES.md

@@ -6,6 +6,9 @@
 
 * Add support for sending HTTP requests with `Rc<RequestHead>` in addition to sending HTTP requests with `RequestHead`
 
+* Allow to use `std::convert::Infallible` as `actix_http::error::Error`
+
+
 ### Fixed
 
 * h2 will use error response #1080

actix-http/src/client/connector.rs

@@ -212,7 +212,7 @@ where
     pub fn finish(
         self,
     ) -> impl Service<Request = Connect, Response = impl Connection, Error = ConnectError>
-                 + Clone {
+           + Clone {
         #[cfg(not(any(feature = "ssl", feature = "rust-tls")))]
         {
             let connector = TimeoutService::new(

actix-http/src/error.rs

@@ -132,6 +132,14 @@ impl std::error::Error for Error {
     }
 }
 
+impl From<std::convert::Infallible> for Error {
+    fn from(_: std::convert::Infallible) -> Self {
+        // `std::convert::Infallible` indicates an error
+        // that will never happen
+        unreachable!()
+    }
+}
+
 /// Convert `Error` to a `Response` instance
 impl From<Error> for Response {
     fn from(err: Error) -> Self {

actix-http/src/h1/decoder.rs

@@ -1,5 +1,6 @@
+use std::io;
 use std::marker::PhantomData;
-use std::{io, mem};
+use std::mem::MaybeUninit;
 
 use actix_codec::Decoder;
 use bytes::{Bytes, BytesMut};
@@ -186,11 +187,12 @@ impl MessageType for Request {
     fn decode(src: &mut BytesMut) -> Result<Option<(Self, PayloadType)>, ParseError> {
         // Unsafe: we read only this data only after httparse parses headers into.
         // performance bump for pipeline benchmarks.
-        let mut headers: [HeaderIndex; MAX_HEADERS] = unsafe { mem::uninitialized() };
+        let mut headers: [HeaderIndex; MAX_HEADERS] =
+            unsafe { MaybeUninit::uninit().assume_init() };
 
         let (len, method, uri, ver, h_len) = {
             let mut parsed: [httparse::Header; MAX_HEADERS] =
-                unsafe { mem::uninitialized() };
+                unsafe { MaybeUninit::uninit().assume_init() };
 
             let mut req = httparse::Request::new(&mut parsed);
             match req.parse(src)? {
@@ -260,11 +262,12 @@ impl MessageType for ResponseHead {
     fn decode(src: &mut BytesMut) -> Result<Option<(Self, PayloadType)>, ParseError> {
         // Unsafe: we read only this data only after httparse parses headers into.
         // performance bump for pipeline benchmarks.
-        let mut headers: [HeaderIndex; MAX_HEADERS] = unsafe { mem::uninitialized() };
+        let mut headers: [HeaderIndex; MAX_HEADERS] =
+            unsafe { MaybeUninit::uninit().assume_init() };
 
         let (len, ver, status, h_len) = {
             let mut parsed: [httparse::Header; MAX_HEADERS] =
-                unsafe { mem::uninitialized() };
+                unsafe { MaybeUninit::uninit().assume_init() };
 
             let mut res = httparse::Response::new(&mut parsed);
             match res.parse(src)? {

actix-http/src/helpers.rs

@@ -115,7 +115,7 @@ pub fn write_content_length(mut n: usize, bytes: &mut BytesMut) {
 
 pub(crate) fn convert_usize(mut n: usize, bytes: &mut BytesMut) {
     let mut curr: isize = 39;
-    let mut buf: [u8; 41] = unsafe { mem::uninitialized() };
+    let mut buf: [u8; 41] = unsafe { mem::MaybeUninit::uninit().assume_init() };
     buf[39] = b'\r';
     buf[40] = b'\n';
     let buf_ptr = buf.as_mut_ptr();

actix-http/src/test.rs

@@ -150,7 +150,7 @@ impl TestRequest {
 
     /// Complete request creation and generate `Request` instance
     pub fn finish(&mut self) -> Request {
-        let inner = self.0.take().expect("cannot reuse test request builder");;
+        let inner = self.0.take().expect("cannot reuse test request builder");
 
         let mut req = if let Some(pl) = inner.payload {
             Request::with_payload(pl)

src/error.rs

@@ -32,8 +32,12 @@ pub enum UrlencodedError {
     #[display(fmt = "Can not decode chunked transfer encoding")]
     Chunked,
     /// Payload size is bigger than allowed. (default: 256kB)
-    #[display(fmt = "Urlencoded payload size is bigger than allowed (default: 256kB)")]
+    #[display(
-    Overflow,
+        fmt = "Urlencoded payload size is bigger ({} bytes) than allowed (default: {} bytes)",
+        size,
+        limit
+    )]
+    Overflow { size: usize, limit: usize },
     /// Payload size is now known
     #[display(fmt = "Payload size is now known")]
     UnknownLength,
@@ -52,7 +56,7 @@ pub enum UrlencodedError {
 impl ResponseError for UrlencodedError {
     fn error_response(&self) -> HttpResponse {
         match *self {
-            UrlencodedError::Overflow => {
+            UrlencodedError::Overflow { .. } => {
                 HttpResponse::new(StatusCode::PAYLOAD_TOO_LARGE)
             }
             UrlencodedError::UnknownLength => {
@@ -164,7 +168,8 @@ mod tests {
 
     #[test]
     fn test_urlencoded_error() {
-        let resp: HttpResponse = UrlencodedError::Overflow.error_response();
+        let resp: HttpResponse =
+            UrlencodedError::Overflow { size: 0, limit: 0 }.error_response();
         assert_eq!(resp.status(), StatusCode::PAYLOAD_TOO_LARGE);
         let resp: HttpResponse = UrlencodedError::UnknownLength.error_response();
         assert_eq!(resp.status(), StatusCode::LENGTH_REQUIRED);

src/types/form.rs

@@ -318,7 +318,7 @@ where
         let limit = self.limit;
         if let Some(len) = self.length.take() {
             if len > limit {
-                return Err(UrlencodedError::Overflow);
+                return Err(UrlencodedError::Overflow { size: len, limit });
             }
         }
 
@@ -331,7 +331,10 @@ where
             .from_err()
             .fold(BytesMut::with_capacity(8192), move |mut body, chunk| {
                 if (body.len() + chunk.len()) > limit {
-                    Err(UrlencodedError::Overflow)
+                    Err(UrlencodedError::Overflow {
+                        size: body.len() + chunk.len(),
+                        limit,
+                    })
                 } else {
                     body.extend_from_slice(&chunk);
                     Ok(body)
@@ -390,8 +393,8 @@ mod tests {
 
     fn eq(err: UrlencodedError, other: UrlencodedError) -> bool {
         match err {
-            UrlencodedError::Overflow => match other {
+            UrlencodedError::Overflow { .. } => match other {
-                UrlencodedError::Overflow => true,
+                UrlencodedError::Overflow { .. } => true,
                 _ => false,
             },
             UrlencodedError::UnknownLength => match other {
@@ -420,7 +423,10 @@ mod tests {
                 .header(CONTENT_LENGTH, "1000000")
                 .to_http_parts();
         let info = block_on(UrlEncoded::<Info>::new(&req, &mut pl));
-        assert!(eq(info.err().unwrap(), UrlencodedError::Overflow));
+        assert!(eq(
+            info.err().unwrap(),
+            UrlencodedError::Overflow { size: 0, limit: 0 }
+        ));
 
         let (req, mut pl) = TestRequest::with_header(CONTENT_TYPE, "text/plain")
             .header(CONTENT_LENGTH, "10")