initial commit

src/main/java/com/commafeed/backend/dao/UserService.java

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+package com.commafeed.backend.dao;
+
+import java.util.List;
+
+import javax.inject.Inject;
+
+import com.commafeed.backend.security.PasswordEncryptionService;
+import com.commafeed.frontend.utils.ModelFactory.MF;
+import com.commafeed.model.User;
+import com.google.common.collect.Iterables;
+
+public class UserService extends GenericDAO<User, Long> {
+
+	@Inject
+	PasswordEncryptionService encryptionService;
+
+	public User login(String name, String password) {
+		List<User> users = findByField(MF.i(MF.p(User.class).getName()), name);
+		User user = Iterables.getFirst(users, null);
+		if (user != null) {
+			boolean authenticated = encryptionService.authenticate(password,
+					user.getPassword(), user.getSalt());
+			if (authenticated) {
+				return user;
+			}
+		}
+
+		return null;
+	}
+}