Fix for CVE-2023-51770 in apache/dolphinscheduler (project apache__dolphinscheduler_CVE-2023-51770_3.2.0), commit 309c8c97a9b9003244496dedc7861a5026f9441a
Fixed file: dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-mysql/src/main/java/org/apache/dolphinscheduler/plugin/datasource/mysql/param/MySQLDataSourceProcessor.java
Fixed class: MySQLDataSourceProcessor (lines 48-180)
Fixed method: checkKeyIsLegitimate (lines 180-184)
Method signature: boolean checkKeyIsLegitimate(String)