decoupling sesson object from user object

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

de.srsoftware.http/src/main/java/de/srsoftware/http/PathHandler.java

@@ -187,6 +187,11 @@ public abstract class PathHandler implements HttpHandler {
 			return sendContent(ex, HTTP_OK, o);
 		}
 
+		public static boolean serverError(HttpExchange ex, Object o) throws IOException {
+			sendContent(ex, HTTP_INTERNAL_ERROR, o);
+			return false;
+		}
+
 		public static String url(HttpExchange ex) {
 			return hostname(ex) + ex.getRequestURI();
 		}

de.srsoftware.oidc.api/src/main/java/de/srsoftware/oidc/api/SessionService.java

@@ -9,7 +9,7 @@ import java.util.Optional;
 public interface SessionService {
 	Session	  createSession(User user);
 	SessionService	  dropSession(String sessionId);
-	Session	  extend(Session session);
-	Optional<Session> retrieve(String sessionId, UserService userService);
+	Session	  extend(Session session, User user);
+	Optional<Session> retrieve(String sessionId);
 	SessionService	  setDuration(Duration duration);
 }

de.srsoftware.oidc.api/src/main/java/de/srsoftware/oidc/api/data/Session.java

@@ -3,5 +3,5 @@ package de.srsoftware.oidc.api.data;
 
 import java.time.Instant;
 
-public record Session(User user, Instant expiration, String id) {
+public record Session(String userId, Instant expiration, String id) {
 }

de.srsoftware.oidc.backend/src/main/java/de/srsoftware/oidc/backend/ClientController.java

@@ -22,11 +22,13 @@ public class ClientController extends Controller {
 	private static final System.Logger LOG = System.getLogger(ClientController.class.getSimpleName());
 	private final AuthorizationService authorizations;
 	private final ClientService	   clients;
+	private final UserService	   users;
 
 	public ClientController(AuthorizationService authorizationService, ClientService clientService, SessionService sessionService, UserService userService) {
-		super(sessionService, userService);
+		super(sessionService);
 		authorizations = authorizationService;
 		clients        = clientService;
+		users          = userService;
 	}
 
 	private boolean authorizationError(HttpExchange ex, String errorCode, String description, String state) throws IOException {
@@ -38,7 +40,9 @@ public class ClientController extends Controller {
 	}
 
 	private boolean authorize(HttpExchange ex, Session session) throws IOException {
-		var user  = session.user();
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user  = optUser.get();
 		var json  = json(ex);
 		var state = json.has(STATE) ? json.getString(STATE) : null;
 		if (!json.has(CLIENT_ID)) return authorizationError(ex, INVALID_REQUEST, "Missing required parameter \"%s\"!".formatted(CLIENT_ID), state);
@@ -95,7 +99,9 @@ public class ClientController extends Controller {
 	}
 
 	private boolean deleteClient(HttpExchange ex, Session session) throws IOException {
-		if (!session.user().hasPermission(MANAGE_CLIENTS)) return badRequest(ex, "NOT ALLOWED");
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_CLIENTS)) return badRequest(ex, "NOT ALLOWED");
 		var json = json(ex);
 		var id   = json.getString(CLIENT_ID);
 		clients.getClient(id).ifPresent(clients::remove);
@@ -110,7 +116,11 @@ public class ClientController extends Controller {
 
 		// post-login paths
 		var session = optSession.get();
-		sessions.extend(session);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
+
 		switch (path) {
 			case "/":
 				return deleteClient(ex, session);
@@ -126,7 +136,11 @@ public class ClientController extends Controller {
 
 		// post-login paths
 		var session = optSession.get();
-		sessions.extend(session);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
+
 		switch (path) {
 			case "/":
 				return load(ex, session);
@@ -141,8 +155,9 @@ public class ClientController extends Controller {
 	}
 
 	private boolean list(HttpExchange ex, Session session) throws IOException {
-		var user = session.user();
-		if (!user.hasPermission(MANAGE_CLIENTS)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_CLIENTS)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
 		var json = new JSONObject();
 		clients.listClients().forEach(client -> json.put(client.id(), Map.of("name", client.name(), "redirect_uris", client.redirectUris())));
 		return sendContent(ex, json);
@@ -150,7 +165,9 @@ public class ClientController extends Controller {
 
 
 	private boolean load(HttpExchange ex, Session session) throws IOException {
-		if (!session.user().hasPermission(MANAGE_CLIENTS)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_CLIENTS)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
 		var json = json(ex);
 		if (json.has(CLIENT_ID)) {
 			var clientID = json.getString(CLIENT_ID);
@@ -161,7 +178,9 @@ public class ClientController extends Controller {
 	}
 
 	private boolean save(HttpExchange ex, Session session) throws IOException {
-		if (!session.user().hasPermission(MANAGE_CLIENTS)) return badRequest(ex, "NOT ALLOWED");
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_CLIENTS)) return badRequest(ex, "NOT ALLOWED");
 		var json      = json(ex);
 		var redirects = new HashSet<String>();
 		for (Object o : json.getJSONArray(REDIRECT_URIS)) {

de.srsoftware.oidc.backend/src/main/java/de/srsoftware/oidc/backend/Controller.java

@@ -5,20 +5,22 @@ import com.sun.net.httpserver.HttpExchange;
 import de.srsoftware.http.PathHandler;
 import de.srsoftware.http.SessionToken;
 import de.srsoftware.oidc.api.SessionService;
-import de.srsoftware.oidc.api.UserService;
 import de.srsoftware.oidc.api.data.Session;
+import java.io.IOException;
 import java.util.Optional;
 
 public abstract class Controller extends PathHandler {
 	protected final SessionService sessions;
-	private final UserService      users;
 
-	Controller(SessionService sessionService, UserService userService) {
+	Controller(SessionService sessionService) {
 		sessions = sessionService;
-		users    = userService;
 	}
 
 	protected Optional<Session> getSession(HttpExchange ex) {
-		return SessionToken.from(ex).map(SessionToken::sessionId).flatMap(sessionId -> sessions.retrieve(sessionId, users));
+		return SessionToken.from(ex).map(SessionToken::sessionId).flatMap(sessionId -> sessions.retrieve(sessionId));
+	}
+
+	protected boolean invalidSessionUser(HttpExchange ex) throws IOException {
+		return serverError(ex, "Session object refers to missing user");
 	}
 }

de.srsoftware.oidc.backend/src/main/java/de/srsoftware/oidc/backend/EmailController.java

@@ -14,11 +14,13 @@ import de.srsoftware.oidc.api.data.Session;
 import java.io.IOException;
 
 public class EmailController extends Controller {
-	private final MailConfig mailConfig;
+	private final MailConfig  mailConfig;
+	private final UserService users;
 
 	public EmailController(MailConfig mailConfig, SessionService sessionService, UserService userService) {
-		super(sessionService, userService);
+		super(sessionService);
 		this.mailConfig = mailConfig;
+		users	= userService;
 	}
 
 	@Override
@@ -26,7 +28,11 @@ public class EmailController extends Controller {
 		var optSession = getSession(ex);
 		if (optSession.isEmpty()) return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
 		var session = optSession.get();
-		sessions.extend(session);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
+
 		switch (path) {
 			case "/settings":
 				return provideSettings(ex, session);
@@ -39,7 +45,10 @@ public class EmailController extends Controller {
 		var optSession = getSession(ex);
 		if (optSession.isEmpty()) return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
 		var session = optSession.get();
-		sessions.extend(session);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
 
 		switch (path) {
 			case "/settings":
@@ -49,12 +58,16 @@ public class EmailController extends Controller {
 	}
 
 	private boolean provideSettings(HttpExchange ex, Session session) throws IOException {
-		if (!session.user().hasPermission(MANAGE_SMTP)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_SMTP)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
 		return sendContent(ex, mailConfig.map());
 	}
 
 	private boolean saveSettings(HttpExchange ex, Session session) throws IOException {
-		if (!session.user().hasPermission(MANAGE_SMTP)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		if (!optUser.get().hasPermission(MANAGE_SMTP)) return sendEmptyResponse(HTTP_FORBIDDEN, ex);
 		var data = json(ex);
 		if (data.has(SMTP_HOST)) mailConfig.smtpHost(data.getString(SMTP_HOST));
 		if (data.has(SMTP_PORT)) mailConfig.smtpPort(data.getInt(SMTP_PORT));

de.srsoftware.oidc.backend/src/main/java/de/srsoftware/oidc/backend/UserController.java

@@ -30,7 +30,7 @@ public class UserController extends Controller {
 	private final ResourceLoader resourceLoader;
 
 	public UserController(MailConfig mailConfig, SessionService sessionService, UserService userService, ResourceLoader resourceLoader) {
-		super(sessionService, userService);
+		super(sessionService);
 		users	    = userService;
 		this.mailConfig	    = mailConfig;
 		this.resourceLoader = resourceLoader;
@@ -51,9 +51,11 @@ public class UserController extends Controller {
 	public boolean doDelete(String path, HttpExchange ex) throws IOException {
 		var optSession = getSession(ex);
 		if (optSession.isEmpty()) return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
-
-		// post-login paths
-		var user = sessions.extend(optSession.get()).user();
+		var session = optSession.get();
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
 
 		switch (path) {
 			case "/delete":
@@ -88,10 +90,11 @@ public class UserController extends Controller {
 		}
 		var optSession = getSession(ex);
 		if (optSession.isEmpty()) return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
-
-		// post-login paths
 		var session = optSession.get();
-		sessions.extend(session);
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
 
 		switch (path) {
 			case "/logout":
@@ -112,15 +115,15 @@ public class UserController extends Controller {
 		}
 		var optSession = getSession(ex);
 		if (optSession.isEmpty()) return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
-
-		// post-login paths
 		var session = optSession.get();
-		sessions.extend(session);
-		var user = session.user();
+		var optUser = users.load(session.userId());
+		if (optUser.isEmpty()) return invalidSessionUser(ex);
+		var user = optUser.get();
+		sessions.extend(session, user);
 
 		switch (path) {
 			case "/":
-				return sendUserAndCookie(ex, session);
+				return sendUserAndCookie(ex, session, user);
 			case "/add":
 				return addUser(ex, user);
 			case "/list":
@@ -192,7 +195,7 @@ public class UserController extends Controller {
 		var password = body.has(PASSWORD) ? body.getString(PASSWORD) : null;
 
 		Optional<User> user = users.load(username, password);
-		if (user.isPresent()) return sendUserAndCookie(ex, sessions.createSession(user.get()));
+		if (user.isPresent()) return sendUserAndCookie(ex, sessions.createSession(user.get()), user.get());
 		return sendEmptyResponse(HTTP_UNAUTHORIZED, ex);
 	}
 
@@ -262,9 +265,9 @@ public class UserController extends Controller {
 		}
 	}
 
-	private boolean sendUserAndCookie(HttpExchange ex, Session session) throws IOException {
+	private boolean sendUserAndCookie(HttpExchange ex, Session session, User user) throws IOException {
 		new SessionToken(session.id()).addTo(ex);
-		return sendContent(ex, session.user().map(false));
+		return sendContent(ex, user.map(false));
 	}
 
 

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

@@ -21,7 +21,6 @@ import java.time.Duration;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
 import java.util.*;
-import java.util.stream.Collectors;
 import org.json.JSONObject;
 
 public class FileStore implements AuthorizationService, ClientService, SessionService, UserService, MailConfig {
@@ -75,12 +74,7 @@ public class FileStore implements AuthorizationService, ClientService, SessionSe
 
 		var authorizations     = json.getJSONObject(AUTHORIZATIONS);
 		var authorizationUsers = Set.copyOf(authorizations.keySet());
-		var userIds	       = list().stream().map(User::uuid).collect(Collectors.toSet());
 		for (var userId : authorizationUsers) {
-			if (!userIds.contains(userId)) {
-				authorizations.remove(userId);
-				continue;
-			}
 			var clients   = authorizations.getJSONObject(userId);
 			var clientIds = Set.copyOf(clients.keySet());
 			for (var clientId : clientIds) {
@@ -228,7 +222,7 @@ public class FileStore implements AuthorizationService, ClientService, SessionSe
 	public Session createSession(User user) {
 		var now	 = Instant.now();
 		var endOfSession = now.plus(user.sessionDuration());
-		return save(new Session(user, endOfSession, uuid()));
+		return save(new Session(user.uuid(), endOfSession, uuid()));
 	}
 
 	@Override
@@ -239,10 +233,9 @@ public class FileStore implements AuthorizationService, ClientService, SessionSe
 	}
 
 	@Override
-	public Session extend(Session session) {
-		var user	 = session.user();
+	public Session extend(Session session, User user) {
 		var endOfSession = Instant.now().plus(user.sessionDuration());
-		return save(new Session(user, endOfSession, session.id()));
+		return save(new Session(user.uuid(), endOfSession, session.id()));
 	}
 
 	private JSONObject sessions() {
@@ -250,14 +243,12 @@ public class FileStore implements AuthorizationService, ClientService, SessionSe
 	}
 
 	@Override
-	public Optional<Session> retrieve(String sessionId, UserService userService) {
+	public Optional<Session> retrieve(String sessionId) {
 		try {
 			var session    = sessions().getJSONObject(sessionId);
 			var userId     = session.getString(USER);
 			var expiration = Instant.ofEpochSecond(session.getLong(EXPIRATION));
-			if (expiration.isAfter(Instant.now())) {
-				return userService.load(userId).map(user -> new Session(user, expiration, sessionId));
-			}
+			if (expiration.isAfter(Instant.now())) return Optional.of(new Session(userId, expiration, sessionId));
 			dropSession(sessionId);
 		} catch (Exception ignored) {
 		}
@@ -265,7 +256,7 @@ public class FileStore implements AuthorizationService, ClientService, SessionSe
 	}
 
 	private Session save(Session session) {
-		sessions().put(session.id(), Map.of(USER, session.user().uuid(), EXPIRATION, session.expiration().getEpochSecond()));
+		sessions().put(session.id(), Map.of(USER, session.userId(), EXPIRATION, session.expiration().getEpochSecond()));
 		save();
 		return session;
 	}

de.srsoftware.oidc.datastore.file/src/test/java/de/srsoftware/oidc/datastore/file/SessionServiceTest.java

@@ -1,20 +1,33 @@
 /* © SRSoftware 2024 */
 package de.srsoftware.oidc.datastore.file;
 
+import static de.srsoftware.utils.Strings.uuid;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import de.srsoftware.oidc.api.SessionService;
+import de.srsoftware.oidc.api.data.User;
 import de.srsoftware.utils.PasswordHasher;
 import de.srsoftware.utils.UuidHasher;
 import java.io.File;
 import java.io.IOException;
 import java.security.NoSuchAlgorithmException;
+import java.time.Duration;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
 import java.util.UUID;
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 public class SessionServiceTest {
 	private PasswordHasher<String> hasher  = null;
 	private File	               storage = new File("/tmp/" + UUID.randomUUID());
 	private SessionService         sessionService;
 
+	private static final String EMAIL    = "arno@nym.de";
+	private static final String PASSWORD = "grunzwanzling";
+	private static final String REALNAME = "Arno Nym";
+	private static final String USERNAME = "arno";
+
 	protected PasswordHasher<String> hasher() {
 		if (hasher == null) try {
 				hasher = new UuidHasher();
@@ -30,4 +43,17 @@ public class SessionServiceTest {
 		if (storage.exists()) storage.delete();
 		sessionService = new FileStore(storage, hasher());
 	}
+
+	@Test
+	public void testCreate() {
+		var uuid = uuid();
+		var pass = hasher().hash(PASSWORD, uuid);
+		var user = new User(USERNAME, pass, REALNAME, EMAIL, uuid).sessionDuration(Duration.ofMinutes(5));
+
+		Instant now	   = Instant.now();
+		var     session	   = sessionService.createSession(user);
+		var     expiration = session.expiration();
+		assertTrue(expiration.isAfter(now.plus(5, ChronoUnit.MINUTES).minusSeconds(1)));
+		assertTrue(expiration.isBefore(now.plus(5, ChronoUnit.MINUTES).plusSeconds(1)));
+	}
 }

de.srsoftware.oidc.datastore.sqlite/src/main/java/de/srsoftware/oidc/datastore/sqlite/SqliteSessionService.java

@@ -2,7 +2,6 @@
 package de.srsoftware.oidc.datastore.sqlite;
 
 import de.srsoftware.oidc.api.SessionService;
-import de.srsoftware.oidc.api.UserService;
 import de.srsoftware.oidc.api.data.Session;
 import de.srsoftware.oidc.api.data.User;
 import java.sql.Connection;
@@ -24,12 +23,12 @@ public class SqliteSessionService implements SessionService {
 	}
 
 	@Override
-	public Session extend(Session session) {
+	public Session extend(Session session, User user) {
 		return null;
 	}
 
 	@Override
-	public Optional<Session> retrieve(String sessionId, UserService users) {
+	public Optional<Session> retrieve(String sessionId) {
 		return Optional.empty();
 	}