Improve 2FA security and user experience

cache/cache.go

@@ -44,27 +44,6 @@ func init() {
 	fileCache = make(map[string]*FileWithExpired)
 	ticker := time.NewTicker(time.Minute)
 
-	go func() {
-		for {
-			<-ticker.C
-			currentTime := time.Now()
-			cacheClean := 0
-			cleanID := utils.GenerateRandomString(10)
-			log.Info(fmt.Sprintf("Cache cleanup [user] [%s] initiated at %02d:%02d:%02d", cleanID, currentTime.Hour(), currentTime.Minute(), currentTime.Second()))
-
-			for _, user := range userCache {
-				user.mu.Lock()
-				if currentTime.Sub(user.AccessAt) > time.Hour*8 {
-					delete(userCache, user.Email)
-					cacheClean++
-				}
-				user.mu.Unlock()
-			}
-
-			log.Info(fmt.Sprintf("Cache cleanup [user] [%s] completed: %d entries removed. Finished at %s", cleanID, cacheClean, time.Since(currentTime)))
-		}
-	}()
-
 	go func() {
 		for {
 			<-ticker.C
@@ -89,35 +68,6 @@ func init() {
 	}()
 }
 
-func GetUser(email string) (*UserWithExpired, error) {
-	if user, ok := userCache[email]; ok {
-		return user, nil
-	}
-
-	userData, err := db.DB.GetUser(email)
-	if err != nil {
-		return nil, err
-	}
-
-	userCache[email] = &UserWithExpired{
-		UserID:   userData.UserID,
-		Username: userData.Username,
-		Email:    userData.Email,
-		Password: userData.Password,
-		Totp:     userData.Totp,
-		AccessAt: time.Now(),
-	}
-
-	return userCache[email], nil
-}
-
-func DeleteUser(email string) {
-	userCache[email].mu.Lock()
-	defer userCache[email].mu.Unlock()
-
-	delete(userCache, email)
-}
-
 func GetFile(id string) (*FileWithExpired, error) {
 	if file, ok := fileCache[id]; ok {
 		file.AccessAt = time.Now()