migrate to brotli crate

actix-http/Cargo.toml

@@ -31,7 +31,7 @@ openssl = ["actix-tls/openssl", "actix-connect/openssl"]
 rustls = ["actix-tls/rustls", "actix-connect/rustls"]
 
 # enable compressison support
-compress = ["flate2", "brotli2"]
+compress = ["flate2", "brotli"]
 
 # support for secure cookies
 secure-cookies = ["cookie/secure"]
@@ -82,7 +82,7 @@ serde_urlencoded = "0.7"
 time = { version = "0.2.7", default-features = false, features = ["std"] }
 
 # compression
-brotli2 = { version="0.3.2", optional = true }
+brotli = { version = "3.3.3", optional = true }
 flate2 = { version = "1.0.13", optional = true }
 
 [dev-dependencies]

actix-http/src/encoding/decoder.rs

@@ -4,7 +4,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_threadpool::{run, CpuFuture};
-use brotli2::write::BrotliDecoder;
+use brotli::DecompressorWriter as BrotliDecoder;
 use bytes::Bytes;
 use flate2::write::{GzDecoder, ZlibDecoder};
 use futures_core::{ready, Stream};
@@ -31,7 +31,7 @@ where
     pub fn new(stream: S, encoding: ContentEncoding) -> Decoder<S> {
         let decoder = match encoding {
             ContentEncoding::Br => Some(ContentDecoder::Br(Box::new(
-                BrotliDecoder::new(Writer::new()),
+                BrotliDecoder::new(Writer::new(), 8 * 1024),
             ))),
             ContentEncoding::Deflate => Some(ContentDecoder::Deflate(Box::new(
                 ZlibDecoder::new(Writer::new()),

actix-http/src/encoding/encoder.rs

@@ -5,7 +5,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_threadpool::{run, CpuFuture};
-use brotli2::write::BrotliEncoder;
+use brotli::CompressorWriter as BrotliEncoder;
 use bytes::Bytes;
 use flate2::write::{GzEncoder, ZlibEncoder};
 use futures_core::ready;
@@ -212,9 +212,12 @@ impl ContentEncoder {
                 Writer::new(),
                 flate2::Compression::fast(),
             ))),
-            ContentEncoding::Br => {
-                Some(ContentEncoder::Br(BrotliEncoder::new(Writer::new(), 3)))
-            }
+            ContentEncoding::Br => Some(ContentEncoder::Br(BrotliEncoder::new(
+                Writer::new(),
+                32 * 1024,
+                3,
+                22,
+            ))),
             _ => None,
         }
     }
@@ -230,8 +233,8 @@ impl ContentEncoder {
 
     fn finish(self) -> Result<Bytes, io::Error> {
         match self {
-            ContentEncoder::Br(encoder) => match encoder.finish() {
-                Ok(writer) => Ok(writer.buf.freeze()),
+            ContentEncoder::Br(mut encoder) => match encoder.flush() {
+                Ok(()) => Ok(encoder.into_inner().buf.freeze()),
                 Err(err) => Err(err),
             },
             ContentEncoder::Gzip(encoder) => match encoder.finish() {