begin handling cleanup of session tokens

src/session/session_manager.go

@@ -7,6 +7,7 @@ import (
 
 	"astraltech.xyz/accountmanager/src/logging"
 	"astraltech.xyz/accountmanager/src/store"
+	"astraltech.xyz/accountmanager/src/worker"
 )
 
 const SessionCookieName = "session_token"
@@ -37,7 +38,11 @@ func (manager *SessionManager) SetStoreType(storeType StoreType) {
 	switch storeType {
 	case InMemory:
 		{
-			// manager.store = NewMemoryStore()
+			manager.store = store.NewMemoryStore[*SessionData]()
+			worker.CreateWorker(time.Minute*5, func() {
+				inMemStore, _ := manager.store.(*store.MemoryStore[*SessionData])
+				cleanupInMemoryStore(inMemStore)
+			})
 			break
 		}
 	case Redis:
@@ -98,6 +103,23 @@ func (manager *SessionManager) GetSession(r *http.Request) (*SessionData, error)
 	return data, nil
 }
 
+func cleanupInMemoryStore(m *store.MemoryStore[*SessionData]) {
+	logging.Debug("Cleaning up memory store sessions")
+	now := time.Now()
+
+	m.Lock.Lock()
+	defer m.Lock.Unlock()
+
+	deleted := 0
+	for id, session := range m.Sessions {
+		if now.After(session.ExpiresAt) {
+			delete(m.Sessions, id)
+			deleted = deleted + 1
+		}
+	}
+	logging.Infof("Cleaned up %d stale sessions", deleted)
+}
+
 func (manager *SessionManager) DeleteSession(sessionId string) error {
 	return manager.store.Delete(sessionId)
 }