feat: add auth middleware chain with ctx resolver and cookie parsing

backend/src/error.rs

@@ -3,9 +3,12 @@ use std::fmt;
 use axum::{http::StatusCode, response::IntoResponse};
 use tracing::info;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum LoftError {
     LoginFail,
+    AuthFailNoAuthTokenCookie,
+    AuthFailTokenWrongFormat,
+    AuthFailCtxNotInRequestExt,
     FileIdNotFound,
 }
 
@@ -20,7 +23,10 @@ impl std::error::Error for LoftError {}
 impl IntoResponse for LoftError {
     fn into_response(self) -> axum::response::Response {
         match self {
-            Self::LoginFail => {
+            Self::LoginFail
+            | Self::AuthFailNoAuthTokenCookie
+            | Self::AuthFailTokenWrongFormat
+            | Self::AuthFailCtxNotInRequestExt => {
                 info!("UNAUTHORIZED");
                 StatusCode::UNAUTHORIZED.into_response()
             }