Function handlePostCrontabs

cmd/dash.go:2409–2498

handlePostCrontabs handles POST requests to create a new crontab

(w http.ResponseWriter, r *http.Request)

// handlePostCrontabs handles POST requests to create a new crontab
func handlePostCrontabs(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	if isSafeModeEnabled {
		http.Error(w, "Crontab creation is disabled in safe mode", http.StatusForbidden)
		return
	}

	// Define a custom struct to capture all fields including comments
	type CrontabRequest struct {
		Filename             string                    `json:"filename"`
		TimezoneLocationName *lib.TimezoneLocationName `json:"TimezoneLocationName"`
		Comments             string                    `json:"comments"`
	}

	var request CrontabRequest
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}

	if request.Filename == "" {
		http.Error(w, "Filename is required", http.StatusBadRequest)
		return
	}

	// If creating in /etc/cron.d, build the full path
	if !strings.Contains(request.Filename, "/") && request.Filename != "/etc/crontab" && !strings.HasPrefix(request.Filename, "user:") {
		request.Filename = filepath.Join("/etc/cron.d", request.Filename)
	}

	// Try to load the crontab first to check if it exists
	existingCrontab, err := lib.GetCrontab(request.Filename)
	if err == nil {
		// Parse it to ensure lines are loaded
		if len(existingCrontab.Lines) == 0 && existingCrontab.Exists() {
			existingCrontab.Parse(true)
		}
		w.WriteHeader(http.StatusOK)
		json.NewEncoder(w).Encode(existingCrontab)
		return
	}

	// Create a new crontab
	username := ""
	if u, err := user.Current(); err == nil {
		username = u.Username
	}

	newCrontab := lib.CrontabFactory(username, request.Filename)

	// Build content with timezone and comments
	content := ""

	// Add timezone if provided