Add better cors for core

emgauwa-core.toml

@@ -1,6 +1,9 @@
 port = 4419
 host = "127.0.0.1"
 
+# Leave empty to allow all origins (will always respond with Origin and not "*")
+#origins = ["http://localhost", "https://emgauwa.app"]
+
 database = "sqlite://emgauwa-core.sqlite"
 
 [logging]

emgauwa-core/Cargo.toml

@@ -10,6 +10,7 @@ emgauwa-lib = { path = "../emgauwa-lib" }
 actix = "0.13"
 actix-web = "4.4"
 actix-web-actors = "4.2"
+actix-cors = "0.6"
 
 simple_logger = "4.2"
 log = "0.4"

emgauwa-core/src/main.rs

@@ -1,4 +1,5 @@
 use std::str::FromStr;
+use actix_cors::Cors;
 
 use actix_web::middleware::TrailingSlash;
 use actix_web::{middleware, web, App, HttpServer};
@@ -12,7 +13,7 @@ mod settings;
 async fn main() -> std::io::Result<()> {
 	let settings = settings::init();
 
-	let log_level: LevelFilter = log::LevelFilter::from_str(&settings.logging.level)
+	let log_level: LevelFilter = LevelFilter::from_str(&settings.logging.level)
 		.unwrap_or_else(|_| panic!("Error parsing log level."));
 	trace!("Log level set to {:?}", log_level);
 
@@ -25,13 +26,22 @@ async fn main() -> std::io::Result<()> {
 
 	log::info!("Starting server on {}:{}", settings.host, settings.port);
 	HttpServer::new(move || {
+
+		let cors = Cors::default()
+			.allow_any_method()
+			.allow_any_header()
+			.max_age(3600);
+
+		let origins = settings.origins.clone();
+		let cors = match settings.origins.is_empty() {
+			true => cors.allow_any_origin(),
+			false => cors.allowed_origin_fn(move |origin, _req_head| {
+				origins.contains(&origin.to_str().unwrap_or_default().to_string())
+			}),
+		};
+
 		App::new()
-			.wrap(
-				middleware::DefaultHeaders::new()
-					.add(("Access-Control-Allow-Origin", "*"))
-					.add(("Access-Control-Allow-Headers", "*"))
-					.add(("Access-Control-Allow-Methods", "*")),
-			)
+			.wrap(cors)
 			.wrap(middleware::Logger::default())
 			.wrap(middleware::NormalizePath::new(TrailingSlash::Trim))
 			.app_data(web::JsonConfig::default().error_handler(handlers::json_error_handler))

emgauwa-core/src/settings.rs

@@ -16,6 +16,7 @@ pub struct Settings {
 	pub database: String,
 	pub port: u16,
 	pub host: String,
+	pub origins: Vec<String>,
 	pub logging: Logging,
 }
 
@@ -25,6 +26,7 @@ impl Default for Settings {
 			database: String::from("sqlite://emgauwa-core.sqlite"),
 			port: constants::DEFAULT_PORT,
 			host: String::from("127.0.0.1"),
+			origins: Vec::new(),
 			logging: Logging::default(),
 		}
 	}