From bf3f66f6d2c920bf2f47e03d2a6bee96ef124726 Mon Sep 17 00:00:00 2001
From: Alex Wellnitz <moin@wellnitz-alex.de>
Date: Sun, 27 Aug 2023 01:05:11 +0200
Subject: [PATCH] #262: Add tower-http compression middleware

---
 Cargo.lock               | 42 ++++++++++++++++++++++++++++++++++++++--
 Cargo.toml               |  2 +-
 src/web/api/v1/routes.rs |  3 ++-
 3 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 8b1bca63..3f61892a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,7 +70,7 @@ dependencies = [
  "tokio",
  "tokio-util",
  "tracing",
- "zstd",
+ "zstd 0.12.3+zstd.1.5.2",
 ]
 
 [[package]]
@@ -348,6 +348,22 @@ version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
+[[package]]
+name = "async-compression"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "942c7cd7ae39e91bde4820d74132e9862e62c2f386c3aa90ccf55949f5bad63a"
+dependencies = [
+ "brotli",
+ "flate2",
+ "futures-core",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+ "zstd 0.11.2+zstd.1.5.2",
+ "zstd-safe 5.0.2+zstd.1.5.2",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.69"
@@ -3198,6 +3214,7 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8bd22a874a2d0b70452d5597b12c537331d49060824a95f49f108994f94aa4c"
 dependencies = [
+ "async-compression",
  "bitflags 2.3.3",
  "bytes",
  "futures-core",
@@ -3206,6 +3223,8 @@ dependencies = [
  "http-body",
  "http-range-header",
  "pin-project-lite",
+ "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
 ]
@@ -3726,13 +3745,32 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
 
+[[package]]
+name = "zstd"
+version = "0.11.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
+dependencies = [
+ "zstd-safe 5.0.2+zstd.1.5.2",
+]
+
 [[package]]
 name = "zstd"
 version = "0.12.3+zstd.1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76eea132fb024e0e13fd9c2f5d5d595d8a967aa72382ac2f9d39fcc95afd0806"
 dependencies = [
- "zstd-safe",
+ "zstd-safe 6.0.5+zstd.1.5.4",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "5.0.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
+dependencies = [
+ "libc",
+ "zstd-sys",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 4684a1e4..e2214518 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -72,7 +72,7 @@ thiserror = "1.0"
 binascii = "0.1"
 axum = { version = "0.6.18", features = ["multipart"] }
 hyper = "0.14.26"
-tower-http = { version = "0.4.0", features = ["cors"] }
+tower-http = { version = "0.4.0", features = ["cors", "compression-full"] }
 email_address = "0.2.4"
 hex = "0.4.3"
 uuid = { version = "1.3", features = ["v4"] }
diff --git a/src/web/api/v1/routes.rs b/src/web/api/v1/routes.rs
index 099a1921..44098f4c 100644
--- a/src/web/api/v1/routes.rs
+++ b/src/web/api/v1/routes.rs
@@ -5,6 +5,7 @@ use std::sync::Arc;
 use axum::extract::DefaultBodyLimit;
 use axum::routing::get;
 use axum::Router;
+use tower_http::compression::CompressionLayer;
 use tower_http::cors::CorsLayer;
 
 use super::contexts::about::handlers::about_page_handler;
@@ -42,5 +43,5 @@ pub fn router(app_data: Arc<AppData>) -> Router {
         router
     };
 
-    router.layer(DefaultBodyLimit::max(10_485_760))
+    router.layer(DefaultBodyLimit::max(10_485_760)).layer(CompressionLayer::new())
 }