add custom index

src/config.rs

@@ -15,6 +15,8 @@ pub struct Config {
     pub ttl: Option<usize>,
     /// Regex for allowing only specific path requests
     pub only_allow: Option<String>,
+    /// Index Page
+    pub index: Option<String>,
 }
 
 impl Config {

src/main.rs

@@ -7,6 +7,12 @@ async fn index(req: HttpRequest) -> impl Responder {
     let path = req.path();
     let p: &actix_web::web::Data<Mirror> = req.app_data().unwrap();
 
+    if path == "/" {
+        if let Some(ret) = p.index_page() {
+            return ret;
+        }
+    }
+
     let data = p.get(path, &req).await;
     data.unwrap_or_else(|| HttpResponse::NotFound().finish())
 }

src/proxy.rs

@@ -203,6 +203,21 @@ impl Mirror {
         None
     }
 
+    pub fn index_page(&self) -> Option<HttpResponse> {
+        if let Some(index) = &self.config.index {
+            return match index.as_str() {
+                "no" => None,
+                file => Some(
+                    HttpResponse::Ok()
+                        .content_type("text/html")
+                        .body(std::fs::read_to_string(file).unwrap()),
+                ),
+            };
+        }
+
+        return None;
+    }
+
     /// Asynchronously fetches content from the specified URL and saves it to the provided file path.
     ///
     /// This function sends an HTTP GET request to the URL specified by `path`, retrieves the response,