working on user settings

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

de.srsoftware.oidc.datastore.file/src/main/java/de/srsoftware/oidc/datastore/file/FileStore.java

@@ -62,6 +62,8 @@ public class FileStore implements ClientService, SessionService, UserService {
 		return this;
 	}
 
+
+
 	@Override
 	public List<User> list() {
 		return List.of();
@@ -98,6 +100,11 @@ public class FileStore implements ClientService, SessionService, UserService {
 		}
 	}
 
+	@Override
+	public boolean passwordMatches(String password, String hashedPassword) {
+		return passwordHasher.matches(password,hashedPassword);
+	}
+
 	@Override
 	public FileStore save(User user) {
 		JSONObject users;
@@ -110,6 +117,14 @@ public class FileStore implements ClientService, SessionService, UserService {
 		return save();
 	}
 
+	@Override
+	public FileStore updatePassword(User user, String plaintextPassword) {
+		var oldHashedPassword = user.hashedPassword();
+		var salt = passwordHasher.salt(oldHashedPassword);
+		user.hashedPassword(passwordHasher.hash(plaintextPassword,salt));
+		return save(user);
+	}
+
 	private Optional<User> userOf(JSONObject json, String userId){
 		var user = new User(json.getString(USERNAME), json.getString(PASSWORD), json.getString(REALNAME), json.getString(EMAIL), userId);
 		var perms = json.getJSONArray(PERMISSIONS);
@@ -132,7 +147,7 @@ public class FileStore implements ClientService, SessionService, UserService {
 	public Session createSession(User user) {
 		var now	 = Instant.now();
 		var endOfSession = now.plus(sessionDuration);
-		return save(new Session(user, endOfSession, UUID.randomUUID().toString()));
+		return save(new Session(user, endOfSession, java.util.UUID.randomUUID().toString()));
 	}
 
 	@Override