refactor: migrate web server to axum (lite)

Cargo.lock

@@ -81,6 +81,17 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "async-trait"
+version = "0.1.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6fa2087f2753a7da8cc1c0dbfcf89579dd57458e36769de5ac750b4671737ca"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -93,6 +104,61 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
+[[package]]
+name = "axum"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a6c9af12842a67734c9a2e355436e5d03b22383ed60cf13cd0c18fbfe3dcbcf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper 1.0.1",
+ "tokio",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a15c63fd72d41492dc4f497196f5da1fb04fb7529e631d73630d1b491e47a2e3"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper 0.1.2",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.71"
@@ -1390,25 +1456,6 @@ dependencies = [
  "phf",
 ]
 
-[[package]]
-name = "h2"
-version = "0.3.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8"
-dependencies = [
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "futures-util",
- "http 0.2.12",
- "indexmap",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
 [[package]]
 name = "h2"
 version = "0.4.5"
@@ -1420,7 +1467,7 @@ dependencies = [
  "fnv",
  "futures-core",
  "futures-sink",
- "http 1.1.0",
+ "http",
  "indexmap",
  "slab",
  "tokio",
@@ -1471,17 +1518,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "http"
-version = "0.2.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1"
-dependencies = [
- "bytes",
- "fnv",
- "itoa",
-]
-
 [[package]]
 name = "http"
 version = "1.1.0"
@@ -1493,17 +1529,6 @@ dependencies = [
  "itoa",
 ]
 
-[[package]]
-name = "http-body"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
-dependencies = [
- "bytes",
- "http 0.2.12",
- "pin-project-lite",
-]
-
 [[package]]
 name = "http-body"
 version = "1.0.0"
@@ -1511,7 +1536,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1cac85db508abc24a2e48553ba12a996e87244a0395ce011e62b37158745d643"
 dependencies = [
  "bytes",
- "http 1.1.0",
+ "http",
 ]
 
 [[package]]
@@ -1522,8 +1547,8 @@ checksum = "0475f8b2ac86659c21b64320d5d653f9efe42acd2a4e560073ec61a155a34f1d"
 dependencies = [
  "bytes",
  "futures-core",
- "http 1.1.0",
+ "http",
- "http-body 1.0.0",
+ "http-body",
  "pin-project-lite",
 ]
 
@@ -1539,30 +1564,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
-[[package]]
-name = "hyper"
-version = "0.14.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf96e135eb83a2a8ddf766e426a841d8ddd7449d5f00d34ea02b41d2f19eef80"
-dependencies = [
- "bytes",
- "futures-channel",
- "futures-core",
- "futures-util",
- "h2 0.3.26",
- "http 0.2.12",
- "http-body 0.4.6",
- "httparse",
- "httpdate",
- "itoa",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
 [[package]]
 name = "hyper"
 version = "1.3.1"
@@ -1572,10 +1573,11 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "h2 0.4.5",
+ "h2",
- "http 1.1.0",
+ "http",
- "http-body 1.0.0",
+ "http-body",
  "httparse",
+ "httpdate",
  "itoa",
  "pin-project-lite",
  "smallvec",
@@ -1590,8 +1592,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0bea761b46ae2b24eb4aef630d8d1c398157b6fc29e6350ecf090a0b70c952c"
 dependencies = [
  "futures-util",
- "http 1.1.0",
+ "http",
- "hyper 1.3.1",
+ "hyper",
  "hyper-util",
  "rustls",
  "rustls-pki-types",
@@ -1608,7 +1610,7 @@ checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
 dependencies = [
  "bytes",
  "http-body-util",
- "hyper 1.3.1",
+ "hyper",
  "hyper-util",
  "native-tls",
  "tokio",
@@ -1625,9 +1627,9 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
+ "http",
- "http-body 1.0.0",
+ "http-body",
- "hyper 1.3.1",
+ "hyper",
  "pin-project-lite",
  "socket2",
  "tokio",
@@ -1765,6 +1767,12 @@ dependencies = [
  "regex-automata 0.1.10",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "maud"
 version = "0.26.0"
@@ -2275,11 +2283,11 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2 0.4.5",
+ "h2",
- "http 1.1.0",
+ "http",
- "http-body 1.0.0",
+ "http-body",
  "http-body-util",
- "hyper 1.3.1",
+ "hyper",
  "hyper-rustls",
  "hyper-tls",
  "hyper-util",
@@ -2298,7 +2306,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "sync_wrapper",
+ "sync_wrapper 0.1.2",
  "system-configuration",
  "tokio",
  "tokio-native-tls",
@@ -2453,6 +2461,12 @@ dependencies = [
  "owned_ttf_parser",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
@@ -2546,6 +2560,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af99884400da37c88f5e9146b7f1fd0fbcae8f6eec4e9da38b67d05486f814a6"
+dependencies = [
+ "itoa",
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.6"
@@ -2604,6 +2628,7 @@ name = "shiny-robots"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "axum",
  "badge",
  "cadence",
  "crates-index",
@@ -2614,7 +2639,6 @@ dependencies = [
  "futures-util",
  "gix",
  "grass",
- "hyper 0.14.28",
  "indexmap",
  "lru_time_cache",
  "maud",
@@ -2631,6 +2655,7 @@ dependencies = [
  "sha-1",
  "tokio",
  "toml 0.8.13",
+ "tower",
  "tracing",
  "tracing-subscriber",
 ]
@@ -2721,6 +2746,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
 
+[[package]]
+name = "sync_wrapper"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7065abeca94b6a8a577f9bd45aa0867a2238b74e8eb67cf10d492bc39351394"
+
 [[package]]
 name = "system-configuration"
 version = "0.5.1"
@@ -2752,7 +2783,7 @@ dependencies = [
  "crossbeam-channel",
  "gix",
  "home",
- "http 1.1.0",
+ "http",
  "libc",
  "memchr",
  "rayon",
@@ -3000,6 +3031,7 @@ dependencies = [
  "tokio",
  "tower-layer",
  "tower-service",
+ "tracing",
 ]
 
 [[package]]
@@ -3020,6 +3052,7 @@ version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",

Cargo.toml

@@ -15,13 +15,13 @@ edition = "2021"
 badge = { path = "./libs/badge" }
 
 anyhow = "1"
+axum = "0.7"
 cadence = "1"
 crates-index = { version = "2", default-features = false, features = ["git"] }
 derive_more = "0.99"
 dotenvy = "0.15"
 font-awesome-as-a-crate = "0.3"
 futures-util = { version = "0.3", default-features = false, features = ["std"] }
-hyper = { version = "0.14.10", features = ["full"] }
 error_reporter = "1"
 indexmap = { version = "2", features = ["serde"] }
 lru_time_cache = "0.11"
@@ -38,6 +38,7 @@ serde = { version = "1", features = ["derive"] }
 serde_urlencoded = "0.7"
 tokio = { version = "1.24.2", features = ["rt-multi-thread", "macros", "sync", "time"] }
 toml = "0.8"
+tower = "0.4"
 tracing = "0.1.30"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 

src/engine/mod.rs

@@ -12,11 +12,11 @@ use futures_util::{
     stream::{self, BoxStream},
     StreamExt as _,
 };
-use hyper::service::Service;
 use once_cell::sync::Lazy;
 use relative_path::{RelativePath, RelativePathBuf};
 use rustsec::database::Database;
 use semver::VersionReq;
+use tower::Service;
 
 use crate::{
     interactors::{

src/interactors/crates.rs

@@ -6,10 +6,10 @@ use std::{
 use anyhow::{anyhow, Error};
 use crates_index::{Crate, DependencyKind};
 use futures_util::FutureExt as _;
-use hyper::service::Service;
 use semver::{Version, VersionReq};
 use serde::Deserialize;
 use tokio::task::spawn_blocking;
+use tower::Service;
 
 use crate::{
     models::crates::{CrateDep, CrateDeps, CrateName, CratePath, CrateRelease},

src/interactors/github.rs

@@ -5,8 +5,8 @@ use std::{
 
 use anyhow::Error;
 use futures_util::FutureExt as _;
-use hyper::service::Service;
 use serde::Deserialize;
+use tower::Service;
 
 use crate::{
     models::repo::{RepoPath, Repository},

src/interactors/mod.rs

@@ -5,8 +5,8 @@ use std::{
 
 use anyhow::{anyhow, Error};
 use futures_util::FutureExt as _;
-use hyper::service::Service;
 use relative_path::RelativePathBuf;
+use tower::Service;
 
 use crate::{models::repo::RepoPath, BoxFuture};
 

src/interactors/rustsec.rs

@@ -6,8 +6,8 @@ use std::{
 
 use anyhow::Error;
 use futures_util::FutureExt as _;
-use hyper::service::Service;
 use rustsec::database::Database;
+use tower::Service;
 
 use crate::BoxFuture;
 

src/main.rs

@@ -9,12 +9,8 @@ use std::{
     time::Duration,
 };
 
+use axum::{extract::Request, Router};
 use cadence::{QueuingMetricSink, UdpMetricSink};
-use hyper::{
-    server::conn::AddrStream,
-    service::{make_service_fn, service_fn},
-    Server,
-};
 use reqwest::redirect::Policy as RedirectPolicy;
 use tracing::Instrument as _;
 
@@ -92,25 +88,20 @@ async fn main() {
     let mut engine = Engine::new(client.clone(), index);
     engine.set_metrics(metrics);
 
-    let make_svc = make_service_fn(move |_socket: &AddrStream| {
+    let app = App::new(engine.clone());
-        let engine = engine.clone();
 
-        async move {
+    let lst = tokio::net::TcpListener::bind(addr).await.unwrap();
-            let server = App::new(engine.clone());
-            Ok::<_, hyper::Error>(service_fn(move |req| {
-                let server = server.clone();
-                async move {
-                    let path = req.uri().path().to_owned();
 
-                    server
+    let router = Router::new().fallback(|req: Request| async move {
-                        .handle(req)
+        let path = req.uri().path().to_owned();
-                        .instrument(tracing::info_span!("@", %path))
+
-                        .await
+        app.handle(req)
-                }
+            .instrument(tracing::info_span!("@", %path))
-            }))
+            .await
-        }
+            .unwrap()
     });
-    let server = Server::bind(&addr).serve(make_svc);
+
+    let server = axum::serve(lst, router);
 
     tracing::info!("Server running on port {port}");
 

src/server/mod.rs

@@ -1,11 +1,16 @@
 use std::{env, sync::Arc, time::Instant};
 
+use axum::{
+    body::Body,
+    extract::Request,
+    http::{
+        header::{CACHE_CONTROL, CONTENT_TYPE, ETAG, LOCATION},
+        Method, StatusCode,
+    },
+    response::Response,
+};
 use badge::BadgeStyle;
 use futures_util::future;
-use hyper::{
-    header::{CACHE_CONTROL, CONTENT_TYPE, ETAG, LOCATION},
-    Body, Error as HyperError, Method, Request, Response, StatusCode,
-};
 use once_cell::sync::Lazy;
 use route_recognizer::{Params, Router};
 use semver::VersionReq;
@@ -90,7 +95,7 @@ impl App {
         }
     }
 
-    pub async fn handle(&self, req: Request<Body>) -> Result<Response<Body>, HyperError> {
+    pub async fn handle(&self, req: Request<Body>) -> Result<Response<Body>, axum::Error> {
         let start = Instant::now();
 
         // allows `/path/` to also match `/path`
@@ -147,7 +152,7 @@ impl App {
         &self,
         _req: Request<Body>,
         _params: Params,
-    ) -> Result<Response<Body>, HyperError> {
+    ) -> Result<Response<Body>, axum::Error> {
         let engine = self.engine.clone();
 
         let popular =
@@ -172,7 +177,7 @@ impl App {
         req: Request<Body>,
         params: Params,
         format: StatusFormat,
-    ) -> Result<Response<Body>, HyperError> {
+    ) -> Result<Response<Body>, axum::Error> {
         let server = self.clone();
 
         let site = params.find("site").expect("route param 'site' not found");
@@ -229,7 +234,7 @@ impl App {
         &self,
         _req: Request<Body>,
         params: Params,
-    ) -> Result<Response<Body>, HyperError> {
+    ) -> Result<Response<Body>, axum::Error> {
         let engine = self.engine.clone();
 
         let name = params.find("name").expect("route param 'name' not found");
@@ -295,7 +300,7 @@ impl App {
         req: Request<Body>,
         params: Params,
         format: StatusFormat,
-    ) -> Result<Response<Body>, HyperError> {
+    ) -> Result<Response<Body>, axum::Error> {
         let server = self.clone();
 
         let name = params.find("name").expect("route param 'name' not found");

src/server/views/badge.rs

@@ -1,5 +1,5 @@
+use axum::{body::Body, http::header::CONTENT_TYPE, response::Response};
 use badge::{Badge, BadgeOptions};
-use hyper::{header::CONTENT_TYPE, Body, Response};
 
 use crate::{engine::AnalyzeDependenciesOutcome, server::ExtraConfig};
 

src/server/views/html/error.rs

@@ -1,6 +1,10 @@
-use hyper::{
+use axum::{
-    header::{CACHE_CONTROL, CONTENT_TYPE},
+    body::Body,
-    Body, Response, StatusCode,
+    http::{
+        header::{CACHE_CONTROL, CONTENT_TYPE},
+        StatusCode,
+    },
+    response::Response,
 };
 use maud::html;
 

src/server/views/html/index.rs

@@ -1,4 +1,4 @@
-use hyper::{Body, Response};
+use axum::{body::Body, response::Response};
 use maud::{html, Markup};
 
 use crate::{

src/server/views/html/mod.rs

@@ -1,6 +1,6 @@
 use std::time::Duration;
 
-use hyper::{header::CONTENT_TYPE, Body, Response};
+use axum::{body::Body, http::header::CONTENT_TYPE, response::Response};
 use maud::{html, Markup, Render, DOCTYPE};
 
 pub mod error;

src/server/views/html/status.rs

@@ -1,5 +1,5 @@
+use axum::{body::Body, response::Response};
 use font_awesome_as_a_crate::{svg as fa, Type as FaType};
-use hyper::{Body, Response};
 use indexmap::IndexMap;
 use maud::{html, Markup, PreEscaped};
 use pulldown_cmark::{html, Parser};

src/utils/cache.rs

@@ -1,9 +1,9 @@
 use std::{fmt, sync::Arc, time::Duration};
 
 use derive_more::{Display, Error, From};
-use hyper::service::Service;
 use lru_time_cache::LruCache;
 use tokio::sync::Mutex;
+use tower::Service;
 
 #[derive(Debug, Clone, Display, From, Error)]
 pub struct CacheError<E> {