src/web_server/app_error.rs

@@ -44,6 +44,9 @@ pub enum AppError {
         min: Option<Decimal>,
     },
 
+    #[display(fmt = "UTF8")]
+    Utf8Error(std::str::Utf8Error),
+
     #[display(fmt = "IDK")]
     UnknownBody {
         json_err: Option<serde_json::Error>,
@@ -63,6 +66,7 @@ impl web::error::WebResponseError for AppError {
             AppError::RequestTooLarge => StatusCode::PAYLOAD_TOO_LARGE,
             AppError::ServerRedisError(_) => StatusCode::INTERNAL_SERVER_ERROR,
             AppError::ApiKeyInvalid { .. } => StatusCode::BAD_REQUEST,
+            AppError::Utf8Error(_) => StatusCode::BAD_REQUEST,
             AppError::UnknownBody { .. } => StatusCode::BAD_REQUEST,
             AppError::QSError(..) => StatusCode::BAD_REQUEST,
             AppError::DeviceNotFound(..) => StatusCode::BAD_REQUEST,
@@ -77,6 +81,7 @@ impl web::error::WebResponseError for AppError {
             AppError::RequestTooLarge => "Request is too large",
             AppError::ServerRedisError(_) => "Internal server error",
             AppError::ApiKeyInvalid { .. } => "API Key invalid",
+            AppError::Utf8Error(_) => "Invalid UTF8 sequence",
             AppError::UnknownBody { .. } => {
                 "Can't figure out where and in what encoding the main data is"
             }

src/web_server/old_device_sensor_api/mod.rs

@@ -50,7 +50,13 @@ pub async fn device_handler<'a>(
                 Err(error) => json_error = Some(error),
             },
             "application/x-www-form-urlencoded" => {
-                match qs_parser::parse_nm_qs_format(&body.as_ref().to_str_lossy()).await {
+                let body = match std::str::from_utf8(body.as_ref()) {
+                    Ok(body) => body,
+                    Err(error) => {
+                        return Err(AppError::Utf8Error(error));
+                    }
+                };
+                match qs_parser::parse_nm_qs_format(body).await {
                     Ok(qs_body) => {
                         real_body = Some(NMJsonPacket {
                             devices: Vec::from([qs_body]),