option to enable body parsing

lib/AuthHandler.ts

@@ -225,14 +225,17 @@ interface CreateHandlerOptions {
   modules?: Record<string, AuthRequestHandler>;
   cookie?: CookieSettings;
   refresh_cookie?: CookieSettings;
+  parse_body?: boolean;
 }
 
+type ProcessRequestOptions = Omit<CreateHandlerOptions, 'parse_body'>
+
 // eslint-disable-next-line max-lines-per-function
 function process_request (
   request: AuthRequest,
   token: RegExpExecArray | null,
   default_handler: AuthRequestHandler,
-  options?: CreateHandlerOptions
+  options?: ProcessRequestOptions
 ): Promise<void> | void {
   if (token === null)
     return default_handler (request);
@@ -313,15 +316,17 @@ export default function create_auth_handler (
     req: IncomingMessage,
     res: ServerResponse
   ): Promise<boolean> => {
-    const body: string = await new Promise ((resolve) => {
-      let data = '';
-      req.on ('data', (c) => {
-        data += c;
-      });
-      req.on ('end', () => {
-        resolve (data);
-      });
-    });
+    const body: string = options?.parse_body
+      ? await new Promise ((resolve) => {
+        let data = '';
+        req.on ('data', (c) => {
+          data += c;
+        });
+        req.on ('end', () => {
+          resolve (data);
+        });
+      })
+      : '';
 
     const request = new AuthRequest (
       req,