Fix crash when using FullTextSearch with only asterisks in query

src/handlers/db.ts

@@ -37,4 +37,16 @@ export function handlePrismaError(errorObj: any, res: Response, source: string)
 	}
 }
 
+
+/**
+ * Checks if the given query only contains stars
+ *
+ * @export
+ * @param {string} fts_query FullTextSearch query
+ * @returns {boolean} Does the query only contains *?
+ */
+export function FTS_starChecker(fts_query: string) {
+	return(new RegExp("^[*]+$").test(fts_query));
+}
+
 export default prisma;

src/routes/api/v1/alertContacts.ts

@@ -1,5 +1,5 @@
 import { Request, Response } from 'express';
-import db, { handlePrismaError } from '../../../handlers/db.js'; // Database
+import db, { handlePrismaError, FTS_starChecker } from '../../../handlers/db.js'; // Database
 import log from '../../../handlers/log.js';
 import { parseDynamicSortBy } from '../../../helpers/prisma_helpers.js';
 import { schema_get, schema_post, schema_patch, schema_del } from './alertContacts_schema.js';
@@ -15,6 +15,10 @@ async function get(req: Request, res: Response) {
 
 		// Query with FullTextSearch
 		if (value.search !== undefined || value.id !== undefined) {
+			if (value.search !== undefined && FTS_starChecker(value.search)) {
+				res.status(400).json({ status: 'ERROR', errorcode: 'VALIDATION_ERROR', message: 'Search query cannot contain only asterisk/s (*)' });
+				return;
+			}
 			// with FullTextSearch
 			if (!value.count) {
 				// get all entrys