Fix SQL Injection Vulnerabilities (#134)

* avoid sql injections

* linter

* fix test using random sid

* add some test cases

* remove tests that don't use the new validation

* add test

* linter

* fix tests

* add test

---------

Co-authored-by: Guilherme Rauen <g.rauen@cognigy.com>

lib/utils/errors.js

@@ -1,3 +1,9 @@
+class BadRequestError extends Error {
+  constructor(msg) {
+    super(msg);
+  }
+}
+
 class DbError extends Error {
   constructor(msg) {
     super(msg);
@@ -23,6 +29,7 @@ class DbErrorForbidden extends DbError {
 }
 
 module.exports = {
+  BadRequestError,
   DbError,
   DbErrorBadRequest,
   DbErrorUnprocessableRequest,