I <3 vertical whitespace

actix-files/src/chunked.rs

@@ -12,7 +12,7 @@ use actix_web::{
     web,
 };
 use bytes::Bytes;
-use futures_core::Stream;
+use futures_core::{ready, Stream};
 use futures_util::future::{FutureExt, LocalBoxFuture};
 
 use crate::handle_error;
@@ -39,16 +39,17 @@ impl Stream for ChunkedReadFile {
         cx: &mut Context<'_>,
     ) -> Poll<Option<Self::Item>> {
         if let Some(ref mut fut) = self.fut {
-            return match Pin::new(fut).poll(cx) {
+            return match ready!(Pin::new(fut).poll(cx)) {
-                Poll::Ready(Ok((file, bytes))) => {
+                Ok((file, bytes)) => {
                     self.fut.take();
                     self.file = Some(file);
+
                     self.offset += bytes.len() as u64;
                     self.counter += bytes.len() as u64;
+
                     Poll::Ready(Some(Ok(bytes)))
                 }
-                Poll::Ready(Err(e)) => Poll::Ready(Some(Err(handle_error(e)))),
+                Err(e) => Poll::Ready(Some(Err(handle_error(e)))),
-                Poll::Pending => Poll::Pending,
             };
         }
 
@@ -60,21 +61,27 @@ impl Stream for ChunkedReadFile {
             Poll::Ready(None)
         } else {
             let mut file = self.file.take().expect("Use after completion");
+
             self.fut = Some(
                 web::block(move || {
-                    let max_bytes: usize;
+                    let max_bytes =
-                    max_bytes = cmp::min(size.saturating_sub(counter), 65_536) as usize;
+                        cmp::min(size.saturating_sub(counter), 65_536) as usize;
+
                     let mut buf = Vec::with_capacity(max_bytes);
                     file.seek(io::SeekFrom::Start(offset))?;
-                    let nbytes =
+
+                    let n_bytes =
                         file.by_ref().take(max_bytes as u64).read_to_end(&mut buf)?;
-                    if nbytes == 0 {
+
+                    if n_bytes == 0 {
                         return Err(io::ErrorKind::UnexpectedEof.into());
                     }
+
                     Ok((file, Bytes::from(buf)))
                 })
                 .boxed_local(),
             );
+
             self.poll_next(cx)
         }
     }

actix-files/src/named.rs

@@ -93,8 +93,10 @@ impl NamedFile {
                 mime::IMAGE | mime::TEXT | mime::VIDEO => DispositionType::Inline,
                 _ => DispositionType::Attachment,
             };
+
             let mut parameters =
                 vec![DispositionParam::Filename(String::from(filename.as_ref()))];
+
             if !filename.is_ascii() {
                 parameters.push(DispositionParam::FilenameExt(ExtendedValue {
                     charset: Charset::Ext(String::from("UTF-8")),
@@ -102,16 +104,19 @@ impl NamedFile {
                     value: filename.into_owned().into_bytes(),
                 }))
             }
+
             let cd = ContentDisposition {
                 disposition,
                 parameters,
             };
+
             (ct, cd)
         };
 
         let md = file.metadata()?;
         let modified = md.modified().ok();
         let encoding = None;
+
         Ok(NamedFile {
             path,
             file,
@@ -259,6 +264,7 @@ impl NamedFile {
     pub fn into_response(self, req: &HttpRequest) -> Result<HttpResponse, Error> {
         if self.status_code != StatusCode::OK {
             let mut resp = HttpResponse::build(self.status_code);
+
             resp.set(header::ContentType(self.content_type.clone()))
                 .if_true(self.flags.contains(Flags::CONTENT_DISPOSITION), |res| {
                     res.header(
@@ -266,9 +272,11 @@ impl NamedFile {
                         self.content_disposition.to_string(),
                     );
                 });
+
             if let Some(current_encoding) = self.encoding {
                 resp.encoding(current_encoding);
             }
+
             let reader = ChunkedReadFile {
                 size: self.md.len(),
                 offset: 0,
@@ -276,6 +284,7 @@ impl NamedFile {
                 fut: None,
                 counter: 0,
             };
+
             return Ok(resp.streaming(reader));
         }
 
@@ -284,6 +293,7 @@ impl NamedFile {
         } else {
             None
         };
+
         let last_modified = if self.flags.contains(Flags::LAST_MD) {
             self.last_modified()
         } else {
@@ -298,6 +308,7 @@ impl NamedFile {
         {
             let t1: SystemTime = m.clone().into();
             let t2: SystemTime = since.clone().into();
+
             match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
                 (Ok(t1), Ok(t2)) => t1 > t2,
                 _ => false,
@@ -316,6 +327,7 @@ impl NamedFile {
         {
             let t1: SystemTime = m.clone().into();
             let t2: SystemTime = since.clone().into();
+
             match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
                 (Ok(t1), Ok(t2)) => t1 <= t2,
                 _ => false,
@@ -332,6 +344,7 @@ impl NamedFile {
                     self.content_disposition.to_string(),
                 );
             });
+
         // default compressing
         if let Some(current_encoding) = self.encoding {
             resp.encoding(current_encoding);
@@ -355,6 +368,7 @@ impl NamedFile {
                 if let Ok(rangesvec) = HttpRange::parse(rangesheader, length) {
                     length = rangesvec[0].length;
                     offset = rangesvec[0].start;
+
                     resp.encoding(ContentEncoding::Identity);
                     resp.header(
                         header::CONTENT_RANGE,
@@ -414,6 +428,7 @@ impl DerefMut for NamedFile {
 fn any_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
     match req.get_header::<header::IfMatch>() {
         None | Some(header::IfMatch::Any) => true,
+
         Some(header::IfMatch::Items(ref items)) => {
             if let Some(some_etag) = etag {
                 for item in items {
@@ -422,6 +437,7 @@ fn any_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
                     }
                 }
             }
+
             false
         }
     }
@@ -431,6 +447,7 @@ fn any_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
 fn none_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
     match req.get_header::<header::IfNoneMatch>() {
         Some(header::IfNoneMatch::Any) => false,
+
         Some(header::IfNoneMatch::Items(ref items)) => {
             if let Some(some_etag) = etag {
                 for item in items {
@@ -439,8 +456,10 @@ fn none_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
                     }
                 }
             }
+
             true
         }
+
         None => true,
     }
 }

actix-files/src/path_buf.rs

@@ -16,6 +16,7 @@ impl FromStr for PathBufWrap {
 
     fn from_str(path: &str) -> Result<Self, Self::Err> {
         let mut buf = PathBuf::new();
+        
         for segment in path.split('/') {
             if segment == ".." {
                 buf.pop();

actix-files/src/range.rs

@@ -5,7 +5,7 @@ pub struct HttpRange {
     pub length: u64,
 }
 
-static PREFIX: &str = "bytes=";
+const PREFIX: &str = "bytes=";
 const PREFIX_LEN: usize = 6;
 
 impl HttpRange {

actix-files/src/service.rs

@@ -32,17 +32,15 @@ pub struct FilesService {
     pub(crate) guards: Option<Rc<dyn Guard>>,
 }
 
+type FilesServiceFuture = Either<
+    Ready<Result<ServiceResponse, Error>>,
+    LocalBoxFuture<'static, Result<ServiceResponse, Error>>,
+>;
+
 impl FilesService {
-    #[allow(clippy::type_complexity)]
+    fn handle_err(&mut self, e: io::Error, req: ServiceRequest) -> FilesServiceFuture {
-    fn handle_err(
+        log::debug!("Failed to handle {}: {}", req.path(), e);
-        &mut self,
+
-        e: io::Error,
-        req: ServiceRequest,
-    ) -> Either<
-        Ready<Result<ServiceResponse, Error>>,
-        LocalBoxFuture<'static, Result<ServiceResponse, Error>>,
-    > {
-        log::debug!("Files: Failed to handle {}: {}", req.path(), e);
         if let Some(ref mut default) = self.default {
             Either::Right(default.call(req))
         } else {
@@ -55,11 +53,7 @@ impl Service for FilesService {
     type Request = ServiceRequest;
     type Response = ServiceResponse;
     type Error = Error;
-    #[allow(clippy::type_complexity)]
+    type Future = FilesServiceFuture;
-    type Future = Either<
-        Ready<Result<Self::Response, Self::Error>>,
-        LocalBoxFuture<'static, Result<Self::Response, Self::Error>>,
-    >;
 
     fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
@@ -97,6 +91,7 @@ impl Service for FilesService {
             if let Some(ref redir_index) = self.index {
                 if self.redirect_to_slash && !req.path().ends_with('/') {
                     let redirect_to = format!("{}/", req.path());
+
                     return Either::Left(ok(req.into_response(
                         HttpResponse::Found()
                             .header(header::LOCATION, redirect_to)
@@ -114,8 +109,8 @@ impl Service for FilesService {
                                 mime_override(&named_file.content_type.type_());
                             named_file.content_disposition.disposition = new_disposition;
                         }
-
                         named_file.flags = self.file_flags;
+
                         let (req, _) = req.into_parts();
                         Either::Left(ok(match named_file.into_response(&req) {
                             Ok(item) => ServiceResponse::new(req, item),
@@ -126,8 +121,10 @@ impl Service for FilesService {
                 }
             } else if self.show_index {
                 let dir = Directory::new(self.directory.clone(), path);
+
                 let (req, _) = req.into_parts();
                 let x = (self.renderer)(&dir, &req);
+
                 match x {
                     Ok(resp) => Either::Left(ok(resp)),
                     Err(e) => Either::Left(ok(ServiceResponse::from_err(e, req))),
@@ -146,8 +143,8 @@ impl Service for FilesService {
                             mime_override(&named_file.content_type.type_());
                         named_file.content_disposition.disposition = new_disposition;
                     }
-
                     named_file.flags = self.file_flags;
+
                     let (req, _) = req.into_parts();
                     match named_file.into_response(&req) {
                         Ok(item) => {