Refactor password check and add cache clearance.

CommonCore/SQL/src/de/steamwar/sql/SteamwarUser.java

@@ -335,7 +335,7 @@ public class SteamwarUser {
 
     public boolean verifyPassword(String password) {
         try {
-            if (this.password == null) {
+            if (!hasPassword()) {
                 return false;
             }
 

WebsiteBackend/src/de/steamwar/Application.kt

@@ -48,6 +48,7 @@ fun main() {
         while (true) {
             Thread.sleep(1000 * 10)
             ResponseUser.clearCache()
+            SteamwarUser.clear()
         }
     }.start()
     embeddedServer(Netty, port = 1337, host = "127.0.0.1", module = Application::module)

WebsiteBackend/src/de/steamwar/routes/Auth.kt

@@ -61,6 +61,7 @@ fun Route.configureAuth() {
         post {
             val request = call.receive<UsernamePassword>()
 
+            SteamwarUser.clear()
             val user = SteamwarUser.get(request.name)
             val valid = user?.verifyPassword(request.password) ?: false