added UserHelper interface to allow dependency injection

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/api/UserHelper.java

@@ -0,0 +1,11 @@
+package de.srsoftware.umbrella.core.api;
+
+import com.sun.net.httpserver.HttpExchange;
+import de.srsoftware.umbrella.core.UmbrellaException;
+import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+import java.util.Optional;
+
+public interface UserHelper {
+	Optional<UmbrellaUser> loadUser(HttpExchange ex) throws UmbrellaException;
+}

user/src/main/java/de/srsoftware/umbrella/user/UserModule.java

@@ -29,6 +29,7 @@ import de.srsoftware.tools.SessionToken;
 import de.srsoftware.umbrella.core.BaseHandler;
 import de.srsoftware.umbrella.core.Token;
 import de.srsoftware.umbrella.core.UmbrellaException;
+import de.srsoftware.umbrella.core.api.UserHelper;
 import de.srsoftware.umbrella.core.model.EmailAddress;
 import de.srsoftware.umbrella.core.model.UmbrellaUser;
 import de.srsoftware.umbrella.message.MessageSystem;
@@ -52,7 +53,7 @@ import org.jose4j.keys.resolvers.HttpsJwksVerificationKeyResolver;
 import org.json.JSONObject;
 
 
-public class UserModule extends BaseHandler {
+public class UserModule extends BaseHandler implements UserHelper {
 
 
 	private record State(LoginService loginService, JSONObject config){
@@ -132,7 +133,7 @@ public class UserModule extends BaseHandler {
 
 	}
 
-	private Optional<UmbrellaUser> loadUser(HttpExchange ex) throws UmbrellaException {
+	public Optional<UmbrellaUser> loadUser(HttpExchange ex) throws UmbrellaException {
 		return loadUser(SessionToken.from(ex).map(Token::of));
 	}