[FATAL ] SQL-Injektions werden verhindert

-Es werden  nur Eingaben des Typs '[a-z]+\\.[a- z]+@adolfinum+\\.de$' an die mySQL Tabelle weiter gebeben.

src/main/java/com/github/cato447/AbizeitungVotingSystem/controller/VotingController.java

@@ -68,8 +68,9 @@ public class VotingController {
 
     @RequestMapping("/vote")
     public String VerifyName(@RequestParam String name, Model model) {
+        if (name.strip().toLowerCase().matches("[a-z]+\\.[a-z]+@adolfinum+\\.de$")) {
             try {
-            Voter voter = voterRepository.findByEmail(name);
+                Voter voter = voterRepository.findByEmail(name.toLowerCase().strip());
                 if (voter.getVote_status()) {
                     LOGGER.warn(name + " has already voted");
                     return "errors/alreadyVoted.html";
@@ -84,6 +85,8 @@ public class VotingController {
                 return "errors/notRegistered.html";
             }
         }
+        return "errors/wrongEmail.html";
+    }
 
     @RequestMapping("/processVote")
     public String ProcessVote(@RequestParam String name) {