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allow to override response body encoding

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This commit is contained in:
Nikolay Kim 2019-03-27 11:29:31 -07:00
parent 3edc515bac
commit e254fe4f9c
8 changed files with 125 additions and 31 deletions
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12
actix-files/src/named.rs
View file

@ -15,6 +15,7 @@ use actix_web::http::header::{
self, ContentDisposition, DispositionParam, DispositionType,
};
use actix_web::http::{ContentEncoding, Method, StatusCode};
use actix_web::middleware::encoding::BodyEncoding;
use actix_web::{Error, HttpMessage, HttpRequest, HttpResponse, Responder};
use crate::range::HttpRange;
@ -360,10 +361,10 @@ impl Responder for NamedFile {
header::CONTENT_DISPOSITION,
self.content_disposition.to_string(),
);
// TODO blocking by compressing
// if let Some(current_encoding) = self.encoding {
// resp.content_encoding(current_encoding);
// }
// default compressing
if let Some(current_encoding) = self.encoding {
resp.encoding(current_encoding);
}
resp.if_some(last_modified, |lm, resp| {
resp.set(header::LastModified(lm));
@ -383,8 +384,7 @@ impl Responder for NamedFile {
if let Ok(rangesvec) = HttpRange::parse(rangesheader, length) {
length = rangesvec[0].length;
offset = rangesvec[0].start;
// TODO blocking by compressing
// resp.content_encoding(ContentEncoding::Identity);
resp.encoding(ContentEncoding::Identity);
resp.header(
header::CONTENT_RANGE,
format!(

3
actix-http/src/message.rs
View file

@ -24,9 +24,6 @@ bitflags! {
const KEEP_ALIVE = 0b0000_0010;
const UPGRADE = 0b0000_0100;
const NO_CHUNKING = 0b0000_1000;
const ENC_BR = 0b0001_0000;
const ENC_DEFLATE = 0b0010_0000;
const ENC_GZIP = 0b0100_0000;
}
}

16
actix-http/src/response.rs
View file

@ -1,4 +1,5 @@
//! Http response
use std::cell::{Ref, RefMut};
use std::io::Write;
use std::{fmt, str};
@ -14,6 +15,7 @@ use serde_json;
use crate::body::{Body, BodyStream, MessageBody, ResponseBody};
use crate::error::Error;
use crate::extensions::Extensions;
use crate::header::{Header, IntoHeaderValue};
use crate::message::{ConnectionType, Message, ResponseHead};
@ -577,6 +579,20 @@ impl ResponseBuilder {
self
}
/// Responses extensions
#[inline]
pub fn extensions(&self) -> Ref<Extensions> {
let head = self.head.as_ref().expect("cannot reuse response builder");
head.extensions.borrow()
}
/// Mutable reference to a the response's extensions
#[inline]
pub fn extensions_mut(&mut self) -> RefMut<Extensions> {
let head = self.head.as_ref().expect("cannot reuse response builder");
head.extensions.borrow_mut()
}
/// Set a body and generate `Response`.
///
/// `ResponseBuilder` can not be used after this call.

2
examples/basic.rs
View file

@ -27,7 +27,7 @@ fn main() -> std::io::Result<()> {
HttpServer::new(|| {
App::new()
.wrap(middleware::DefaultHeaders::new().header("X-Version", "0.2"))
.wrap(middleware::Compress::default())
.wrap(middleware::encoding::Compress::default())
.wrap(middleware::Logger::default())
.service(index)
.service(no_params)

40
src/middleware/compress.rs
View file

@ -6,14 +6,46 @@ use std::str::FromStr;
use actix_http::body::MessageBody;
use actix_http::encoding::Encoder;
use actix_http::http::header::{ContentEncoding, ACCEPT_ENCODING};
use actix_http::ResponseBuilder;
use actix_service::{Service, Transform};
use futures::future::{ok, FutureResult};
use futures::{Async, Future, Poll};
use crate::service::{ServiceRequest, ServiceResponse};
struct Enc(ContentEncoding);
/// Helper trait that allows to set specific encoding for response.
pub trait BodyEncoding {
fn encoding(&mut self, encoding: ContentEncoding) -> &mut Self;
}
impl BodyEncoding for ResponseBuilder {
fn encoding(&mut self, encoding: ContentEncoding) -> &mut Self {
self.extensions_mut().insert(Enc(encoding));
self
}
}
#[derive(Debug, Clone)]
/// `Middleware` for compressing response body.
///
/// Use `BodyEncoding` trait for overriding response compression.
/// To disable compression set encoding to `ContentEncoding::Identity` value.
///
/// ```rust
/// use actix_web::{web, middleware::encoding, App, HttpResponse};
///
/// fn main() {
/// let app = App::new()
/// .wrap(encoding::Compress::default())
/// .service(
/// web::resource("/test")
/// .route(web::get().to(|| HttpResponse::Ok()))
/// .route(web::head().to(|| HttpResponse::MethodNotAllowed()))
/// );
/// }
/// ```
pub struct Compress(ContentEncoding);
impl Compress {
@ -118,8 +150,14 @@ where
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
let resp = futures::try_ready!(self.fut.poll());
let enc = if let Some(enc) = resp.head().extensions().get::<Enc>() {
enc.0
} else {
self.encoding
};
Ok(Async::Ready(resp.map_body(move |head, body| {
Encoder::response(self.encoding, head, body)
Encoder::response(enc, head, body)
})))
}
}

16
src/middleware/decompress.rs
View file

@ -12,6 +12,22 @@ use crate::error::{Error, PayloadError};
use crate::service::ServiceRequest;
use crate::HttpMessage;
/// `Middleware` for decompressing request's payload.
/// `Decompress` middleware must be added with `App::chain()` method.
///
/// ```rust
/// use actix_web::{web, middleware::encoding, App, HttpResponse};
///
/// fn main() {
/// let app = App::new()
/// .chain(encoding::Decompress::new())
/// .service(
/// web::resource("/test")
/// .route(web::get().to(|| HttpResponse::Ok()))
/// .route(web::head().to(|| HttpResponse::MethodNotAllowed()))
/// );
/// }
/// ```
pub struct Decompress<P>(PhantomData<P>);
impl<P> Decompress<P>

9
src/middleware/mod.rs
View file

@ -1,13 +1,14 @@
//! Middlewares
#[cfg(any(feature = "brotli", feature = "flate2-zlib", feature = "flate2-rust"))]
mod compress;
#[cfg(any(feature = "brotli", feature = "flate2-zlib", feature = "flate2-rust"))]
pub use self::compress::Compress;
#[cfg(any(feature = "brotli", feature = "flate2-zlib", feature = "flate2-rust"))]
mod decompress;
#[cfg(any(feature = "brotli", feature = "flate2-zlib", feature = "flate2-rust"))]
pub use self::decompress::Decompress;
pub mod encoding {
//! Middlewares for compressing/decompressing payloads.
pub use super::compress::{BodyEncoding, Compress};
pub use super::decompress::Decompress;
}
pub mod cors;
mod defaultheaders;

58
tests/test_server.rs
View file

@ -14,7 +14,7 @@ use flate2::Compression;
use futures::stream::once; //Future, Stream
use rand::{distributions::Alphanumeric, Rng};
use actix_web::{dev::HttpMessageBody, middleware, web, App};
use actix_web::{dev::HttpMessageBody, middleware::encoding, web, App};
const STR: &str = "Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
@ -60,7 +60,7 @@ fn test_body_gzip() {
let mut srv = TestServer::new(|| {
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Gzip))
.wrap(encoding::Compress::new(ContentEncoding::Gzip))
.service(web::resource("/").route(web::to(|| Response::Ok().body(STR)))),
)
});
@ -78,6 +78,32 @@ fn test_body_gzip() {
assert_eq!(Bytes::from(dec), Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_body_encoding_override() {
let mut srv = TestServer::new(|| {
h1::H1Service::new(
App::new()
.wrap(encoding::Compress::new(ContentEncoding::Gzip))
.service(web::resource("/").route(web::to(|| {
use actix_web::middleware::encoding::BodyEncoding;
Response::Ok().encoding(ContentEncoding::Deflate).body(STR)
}))),
)
});
let mut response = srv.block_on(srv.get().no_decompress().send()).unwrap();
assert!(response.status().is_success());
// read response
let bytes = srv.block_on(HttpMessageBody::new(&mut response)).unwrap();
// decode
let mut e = ZlibDecoder::new(Vec::new());
e.write_all(bytes.as_ref()).unwrap();
let dec = e.finish().unwrap();
assert_eq!(Bytes::from(dec), Bytes::from_static(STR.as_ref()));
}
#[test]
fn test_body_gzip_large() {
let data = STR.repeat(10);
@ -87,7 +113,7 @@ fn test_body_gzip_large() {
let data = srv_data.clone();
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Gzip))
.wrap(encoding::Compress::new(ContentEncoding::Gzip))
.service(
web::resource("/")
.route(web::to(move || Response::Ok().body(data.clone()))),
@ -120,7 +146,7 @@ fn test_body_gzip_large_random() {
let data = srv_data.clone();
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Gzip))
.wrap(encoding::Compress::new(ContentEncoding::Gzip))
.service(
web::resource("/")
.route(web::to(move || Response::Ok().body(data.clone()))),
@ -147,7 +173,7 @@ fn test_body_chunked_implicit() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Gzip))
.wrap(encoding::Compress::new(ContentEncoding::Gzip))
.service(web::resource("/").route(web::get().to(move || {
Response::Ok().streaming(once(Ok::<_, Error>(Bytes::from_static(
STR.as_ref(),
@ -178,7 +204,7 @@ fn test_body_br_streaming() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Br))
.wrap(encoding::Compress::new(ContentEncoding::Br))
.service(web::resource("/").route(web::to(move || {
Response::Ok().streaming(once(Ok::<_, Error>(Bytes::from_static(
STR.as_ref(),
@ -255,7 +281,7 @@ fn test_body_deflate() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Deflate))
.wrap(encoding::Compress::new(ContentEncoding::Deflate))
.service(
web::resource("/").route(web::to(move || Response::Ok().body(STR))),
),
@ -281,7 +307,7 @@ fn test_body_brotli() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new()
.wrap(middleware::Compress::new(ContentEncoding::Br))
.wrap(encoding::Compress::new(ContentEncoding::Br))
.service(
web::resource("/").route(web::to(move || Response::Ok().body(STR))),
),
@ -313,7 +339,7 @@ fn test_body_brotli() {
fn test_gzip_encoding() {
let mut srv = TestServer::new(move || {
HttpService::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -342,7 +368,7 @@ fn test_gzip_encoding_large() {
let data = STR.repeat(10);
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -375,7 +401,7 @@ fn test_reading_gzip_encoding_large_random() {
let mut srv = TestServer::new(move || {
HttpService::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -404,7 +430,7 @@ fn test_reading_gzip_encoding_large_random() {
fn test_reading_deflate_encoding() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -433,7 +459,7 @@ fn test_reading_deflate_encoding_large() {
let data = STR.repeat(10);
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -466,7 +492,7 @@ fn test_reading_deflate_encoding_large_random() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -496,7 +522,7 @@ fn test_reading_deflate_encoding_large_random() {
fn test_brotli_encoding() {
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),
@ -526,7 +552,7 @@ fn test_brotli_encoding_large() {
let data = STR.repeat(10);
let mut srv = TestServer::new(move || {
h1::H1Service::new(
App::new().chain(middleware::Decompress::new()).service(
App::new().chain(encoding::Decompress::new()).service(
web::resource("/")
.route(web::to(move |body: Bytes| Response::Ok().body(body))),
),