Align form data logic with opentelemetry implementation

Author: onurtemizkan

packages/remix/src/server/errors.ts

@@ -130,7 +130,7 @@ export async function errorHandleDataFunction(
         const options = getClient()?.getOptions() as RemixOptions | undefined;
 
         if (options?.sendDefaultPii && options.captureActionFormDataKeys) {
-          await storeFormDataKeys(args, span);
+          await storeFormDataKeys(args, span, options.captureActionFormDataKeys);
         }
       }
 

packages/remix/src/utils/utils.ts

@@ -8,7 +8,11 @@ import type { ServerRoute, ServerRouteManifest } from './vendor/types';
 /**
  *
  */
-export async function storeFormDataKeys(args: LoaderFunctionArgs | ActionFunctionArgs, span: Span): Promise<void> {
+export async function storeFormDataKeys(
+  args: LoaderFunctionArgs | ActionFunctionArgs,
+  span: Span,
+  formDataKeys?: Record<string, string | boolean> | undefined,
+): Promise<void> {
   try {
     // We clone the request for Remix be able to read the FormData later.
     const clonedRequest = args.request.clone();
@@ -19,7 +23,17 @@ export async function storeFormDataKeys(args: LoaderFunctionArgs | ActionFunctio
     const formData = await clonedRequest.formData();
 
     formData.forEach((value, key) => {
-      span.setAttribute(`remix.action_form_data.${key}`, typeof value === 'string' ? value : '[non-string value]');
+      let attrKey = key;
+
+      if (formDataKeys?.[key]) {
+        if (formDataKeys[key] === false) {
+          return;
+        } else if (typeof value === 'string') {
+          attrKey = key;
+        }
+
+        span.setAttribute(`remix.action_form_data.${attrKey}`, typeof value === 'string' ? value : '[non-string value]');
+      }
     });
   } catch (e) {
     DEBUG_BUILD && logger.warn('Failed to read FormData from request', e);