first shot on EncryptedUserService – will probably not work

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

de.srsoftware.oidc.datastore.encrypted/src/main/java/de/srsoftware/oidc/datastore/encrypted/EncryptedUserService.java

@@ -0,0 +1,92 @@
+package de.srsoftware.oidc.datastore.encrypted;
+
+import de.srsoftware.oidc.api.UserService;
+import de.srsoftware.oidc.api.data.AccessToken;
+import de.srsoftware.oidc.api.data.User;
+import de.srsoftware.utils.Optionals;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class EncryptedUserService extends EncryptedConfig implements UserService {
+	private final UserService backend;
+
+	EncryptedUserService(UserService backend, String key, String salt){
+		super(key,salt);
+		this.backend = backend;
+	}
+
+	@Override
+	public AccessToken accessToken(User user) {
+		return backend.accessToken(encrypt(user));
+	}
+
+	@Override
+	public Optional<User> consumeToken(String accessToken) {
+		return backend.consumeToken(accessToken).map(this::decrypt);
+	}
+
+	public User decrypt(User secret){
+return secret;
+	}
+
+	@Override
+	public UserService delete(User user) {
+		backend.delete(encrypt(user));
+		return this;
+	}
+
+	public User encrypt(User plain){
+		return plain;
+	}
+
+	@Override
+	public Optional<User> forToken(String accessToken) {
+		return backend.forToken(accessToken).map(this::decrypt);
+	}
+
+	@Override
+	public UserService init(User defaultUser) {
+		backend.init(encrypt(defaultUser));
+		return this;
+	}
+
+	@Override
+	public List<User> list() {
+		return backend.list().stream().map(this::decrypt).toList();
+	}
+
+	@Override
+	public Set<User> find(String idOrEmail) {
+		return backend.find(idOrEmail).stream().map(this::decrypt).collect(Collectors.toSet());
+	}
+
+	@Override
+	public Optional<User> load(String id) {
+		return backend.load(id).map(this::decrypt);
+	}
+
+	@Override
+	public Optional<User> load(String username, String password) {
+		return backend.load(encrypt(username),encrypt(password));
+	}
+
+	@Override
+	public boolean passwordMatches(String plaintextPassword, User user) {
+		return backend.passwordMatches(encrypt(plaintextPassword),encrypt(user));
+	}
+
+	@Override
+	public EncryptedUserService save(User user) {
+		backend.save(encrypt(user));
+		return this;
+	}
+
+	@Override
+	public EncryptedUserService updatePassword(User user, String plaintextPassword) {
+		backend.updatePassword(encrypt(user),encrypt(plaintextPassword));
+		return this;
+	}
+}