feat(http): add cors hosts

Implement cors hosts.

Cargo.lock

@@ -28,6 +28,21 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "alloc-no-stdlib"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
+
+[[package]]
+name = "alloc-stdlib"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94fb8275041c72129eb51b7d0322c29b8387a0386127718b096429201a5d6ece"
+dependencies = [
+ "alloc-no-stdlib",
+]
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -52,6 +67,20 @@ version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98161a4e3e2184da77bb14f02184cdd111e83bbbcc9979dfee3c44b9a85f5602"
 
+[[package]]
+name = "async-compression"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "345fd392ab01f746c717b1357165b76f0b67a60192007b234058c9045fdcf695"
+dependencies = [
+ "brotli",
+ "flate2",
+ "futures-core",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.57"
@@ -162,6 +191,27 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "brotli"
+version = "3.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1a0b1dbcc8ae29329621f8d4f0d835787c1c38bb1401979b49d13b0b305ff68"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+ "brotli-decompressor",
+]
+
+[[package]]
+name = "brotli-decompressor"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ad2d4653bf5ca36ae797b1f4bb4dbddb60ce49ca4aed8a2ce4829f60425b80"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.11.0"
@@ -246,6 +296,15 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d0165d2900ae6778e36e80bbc4da3b5eefccee9ba939761f9c2882a5d9af3ff"
 
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-queue"
 version = "0.3.6"
@@ -352,6 +411,16 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "flate2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "flume"
 version = "0.10.14"
@@ -563,11 +632,13 @@ dependencies = [
  "crypto-utils",
  "futures-util",
  "hex",
+ "hyper",
  "serde",
  "sqlx",
  "thiserror",
  "tokio",
  "toml",
+ "tower-http",
  "tracing",
  "tracing-subscriber",
  "uuid",
@@ -680,6 +751,15 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "iri-string"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f0f7638c1e223529f1bfdc48c8b133b9e0b434094d1d28473161ee48b235f78"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.4"
@@ -778,6 +858,16 @@ version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -1509,6 +1599,8 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c530c8675c1dbf98facee631536fa116b5fb6382d7dd6dc1b118d970eafe3ba"
 dependencies = [
+ "async-compression",
+ "base64",
  "bitflags",
  "bytes",
  "futures-core",
@@ -1516,10 +1608,19 @@ dependencies = [
  "http",
  "http-body",
  "http-range-header",
+ "httpdate",
+ "iri-string",
+ "mime",
+ "mime_guess",
+ "percent-encoding",
  "pin-project-lite",
+ "tokio",
+ "tokio-util",
  "tower",
  "tower-layer",
  "tower-service",
+ "tracing",
+ "uuid",
 ]
 
 [[package]]
@@ -1605,6 +1706,15 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.8"

Cargo.toml

@@ -37,4 +37,6 @@ toml = "0.5"
 
 # HTTP server
 axum = { version = "0.6.0-rc.2", features = ["http2", "multipart"] }
+tower-http = { version = "0.3", features = ["full"] }
+hyper = { version = "0.14", features = ["full"] }
 byte-unit = "4.0.14"

src/server/mod.rs

@@ -3,7 +3,8 @@ pub mod error;
 pub mod utils;
 
 use anyhow::anyhow;
-use axum::{routing::get, Extension, Router, Server};
+use axum::{http::HeaderValue, routing::get, Extension, Router, Server};
+use tower_http::cors::{AllowOrigin, CorsLayer};
 use tracing::info;
 
 use crate::{config::Config, database::Database};
@@ -14,11 +15,20 @@ pub async fn start_server(config: Config, db: Database) -> anyhow::Result<()> {
         config.http.host, config.http.port
     );
 
+    // change the type from Vec<String> to Vec<HeaderValue> so that the http server can correctly detect CORS hosts
+    let origins = config
+        .http
+        .cors
+        .iter()
+        .map(|e| e.parse().expect("Failed to parse CORS hosts"))
+        .collect::<Vec<HeaderValue>>();
+
     let host = format!("{}:{}", config.http.host, config.http.port);
 
     let app = Router::new()
         .nest("/api", api::app())
         .route("/", get(api::health))
+        .layer(CorsLayer::new().allow_origin(AllowOrigin::list(origins)))
         .layer(Extension(config))
         .layer(Extension(db));