Add delete_user RPC Method

src/api/mod.rs

@@ -56,6 +56,10 @@ pub fn new_rpc_module(state: RpcState) -> RpcModule<RpcState> {
         .register_method("system.create_user", system::create_user)
         .unwrap();
 
+    module
+        .register_method("system.delete_user", system::delete_user)
+        .unwrap();
+
     module
         .register_method("network.get_static_routes", network::get_static_routes)
         .unwrap();

src/api/system.rs

@@ -48,3 +48,23 @@ pub fn create_user(p: Params, state: &RpcState) -> Result<(), ApiError> {
         Err(ApiError::InvalidParams)
     }
 }
+
+#[derive(Deserialize)]
+struct DeleteUser {
+    name: String,
+}
+
+pub fn delete_user(p: Params, state: &RpcState) -> Result<(), ApiError> {
+    let u: DeleteUser = p.parse().unwrap();
+
+    let mut cm = state.config_manager.clone();
+    let mut tx = cm.start_transaction();
+
+    match tx.changes.system.users.remove(&u.name) {
+        Some(_) => return tx.commit().map_err(|source| ApiError::InvalidParams),
+        None => {
+            tx.revert();
+            Err(ApiError::InvalidParams)
+        }
+    }
+}