Add agent mode, fix config version bug

cup.schema.json

@@ -10,6 +10,10 @@
             "minimum": 3,
             "maximum": 3
         },
+        "agent": {
+            "type": "boolean",
+            "description": "Whether or not to enable agent mode. When agent mode is enabled, the server only exposes the API and the web interface is unavailable."
+        },
         "registries": {
             "type": "object",
             "description": "Configuration options for specific registries",

src/config.rs

@@ -39,6 +39,7 @@ pub struct ImageConfig {
 #[serde(default)]
 pub struct Config {
     version: u8,
+    pub agent: bool,
     pub registries: FxHashMap<String, RegistryConfig>,
     pub images: ImageConfig,
     pub theme: Theme,
@@ -51,6 +52,7 @@ impl Config {
     pub fn new() -> Self {
         Self {
             version: 3,
+            agent: false,
             registries: FxHashMap::default(),
             images: ImageConfig::default(),
             theme: Theme::Default,
@@ -79,7 +81,7 @@ impl Config {
             Ok(config) => config,
             Err(e) => error!("Unexpected error occured while parsing config: {}", e),
         };
-        if config.version != 2 {
+        if config.version != 3 {
             error!("You are trying to run Cup with an incompatible config file! Please migrate your config file to the version 3, or if you have already done so, add a `version` key with the value `3`.")
         }
         config

src/server.rs

@@ -36,14 +36,18 @@ pub async fn serve(port: &u16, config: &Config) -> std::io::Result<()> {
     info!("Starting server, please wait...");
     let data = ServerData::new(config).await;
     info!("Ready to start!");
-    App::new()
+    let mut app_builder = App::new()
         .with_state(Arc::new(Mutex::new(data)))
-        .at("/", get(handler_service(_static)))
         .at("/api/v2/json", get(handler_service(api_simple)))
         .at("/api/v3/json", get(handler_service(api_full)))
         .at("/api/v2/refresh", get(handler_service(refresh)))
-        .at("/api/v3/refresh", get(handler_service(refresh)))
-        .at("/*", get(handler_service(_static)))
+        .at("/api/v3/refresh", get(handler_service(refresh)));
+    if !config.agent {
+        app_builder = app_builder
+            .at("/", get(handler_service(_static)))
+            .at("/*", get(handler_service(_static)));
+    }
+    app_builder
         .enclosed(Logger::new())
         .serve()
         .bind(format!("0.0.0.0:{}", port))?