fix(server): always send Connection: close in clash-verge-service IPC responses

Author: Slinetrac

src/core/server.rs

@@ -156,6 +156,7 @@ fn create_ipc_router() -> Result<Router> {
         .get(IpcCommand::Magic.as_ref(), |_| async move {
             Ok(HttpResponse::builder()
                 .status(StatusCode::OK)
+                .header("connection", "close")
                 .text("Tunglies!")
                 .build())
         })
@@ -167,6 +168,7 @@ fn create_ipc_router() -> Result<Router> {
             };
             Ok(HttpResponse::builder()
                 .status(StatusCode::OK)
+                .header("connection", "close")
                 .json(&json_value)?
                 .build())
         })
@@ -183,6 +185,7 @@ fn create_ipc_router() -> Result<Router> {
                             };
                             return Ok(HttpResponse::builder()
                                 .status(StatusCode::SERVICE_UNAVAILABLE)
+                                .header("connection", "close")
                                 .json(&json_value)?
                                 .build());
                         }
@@ -194,11 +197,13 @@ fn create_ipc_router() -> Result<Router> {
                     };
                     Ok(HttpResponse::builder()
                         .status(StatusCode::OK)
+                        .header("connection", "close")
                         .json(&json_value)?
                         .build())
                 }
                 Err(e) => Ok(HttpResponse::builder()
                     .status(StatusCode::BAD_REQUEST)
+                    .header("connection", "close")
                     .text(format!("Invalid JSON: {}", e))
                     .build()),
             }
@@ -214,6 +219,7 @@ fn create_ipc_router() -> Result<Router> {
                     };
                     return Ok(HttpResponse::builder()
                         .status(StatusCode::SERVICE_UNAVAILABLE)
+                        .header("connection", "close")
                         .json(&json_value)?
                         .build());
                 }
@@ -225,6 +231,7 @@ fn create_ipc_router() -> Result<Router> {
             };
             Ok(HttpResponse::builder()
                 .status(StatusCode::OK)
+                .header("connection", "close")
                 .json(&json_value)?
                 .build())
         });