feat: add the --no-cors argument to bypass cors verification

src/server/mod.rs

@@ -95,6 +95,13 @@ pub struct ServerArgs {
     // #[cfg(feature = "ui")]
     #[arg(long, default_value_t = false)]
     open: bool,
+
+    /// Enable cors verification
+    ///
+    /// When enabled, the POST /new path require a seemless
+    /// Origin and Host header.
+    #[arg(long = "no-cors", action = clap::ArgAction::SetFalse)]
+    cors: bool,
 }
 
 impl ServerArgs {
@@ -310,6 +317,7 @@ fn build_state(ctx: Context, args: ServerArgs) -> Result<Arc<AppState>> {
         aisle_path,
         pantry_path,
         url_prefix,
+        cors: args.cors,
         checked_log_lock: Arc::new(tokio::sync::Mutex::new(())),
         shopping_list_events,
         #[cfg(feature = "sync")]
@@ -358,6 +366,7 @@ pub struct AppState {
     pub aisle_path: Option<Utf8PathBuf>,
     pub pantry_path: Option<Utf8PathBuf>,
     pub url_prefix: String,
+    pub cors: bool,
     /// Serializes access to `.shopping-checked` within this process.
     /// File-level `flock` doesn't prevent two tasks in the *same* process
     /// from racing on the file (the kernel treats them as one lock owner),

src/server/ui.rs

@@ -300,7 +300,7 @@ async fn create_recipe(
     Form(form): Form<NewRecipeForm>,
 ) -> impl IntoResponse {
     // CSRF protection: verify request came from same origin
-    if !validate_same_origin(&headers, &host) {
+    if state.cors && !validate_same_origin(&headers, &host) {
         tracing::warn!("CSRF validation failed for create_recipe request");
         return (StatusCode::FORBIDDEN, "Invalid request origin").into_response();
     }