26120b8bc2
- Add Go TUI with bubbletea for WireGuard management - Implement client CRUD operations with QR code generation - Add configuration and validation modules - Install/update scripts for client setup - Update Makefile to build binaries to bin/ directory - Add .gitignore for Go projects
123 lines
3.4 KiB
Go
123 lines
3.4 KiB
Go
package backup
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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)
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// ValidateBackup checks if a backup exists and is valid
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func ValidateBackup(backupName string) error {
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backupDir := "/etc/wg-admin/backups"
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backupPath := filepath.Join(backupDir, backupName)
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// Check if backup directory exists
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info, err := os.Stat(backupPath)
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if err != nil {
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if os.IsNotExist(err) {
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return fmt.Errorf("backup '%s' does not exist", backupName)
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}
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return fmt.Errorf("failed to access backup '%s': %w", backupName, err)
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}
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// Check if it's a directory
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if !info.IsDir() {
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return fmt.Errorf("'%s' is not a valid backup directory", backupName)
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}
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// Check for required files
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metadataPath := filepath.Join(backupPath, "backup-info.txt")
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if _, err := os.Stat(metadataPath); os.IsNotExist(err) {
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return fmt.Errorf("backup '%s' is missing required metadata", backupName)
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}
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// Check for wireguard directory
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wgBackupPath := filepath.Join(backupPath, "wireguard")
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if _, err := os.Stat(wgBackupPath); os.IsNotExist(err) {
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return fmt.Errorf("backup '%s' is missing wireguard configuration", backupName)
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}
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return nil
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}
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// ReloadWireGuard reloads the WireGuard interface to apply configuration changes
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func ReloadWireGuard() error {
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interfaceName := "wg0"
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// Try to down the interface first
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cmdDown := exec.Command("wg-quick", "down", interfaceName)
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_ = cmdDown.Run() // Ignore errors if interface is not up
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// Bring the interface up
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cmdUp := exec.Command("wg-quick", "up", interfaceName)
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output, err := cmdUp.CombinedOutput()
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if err != nil {
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return fmt.Errorf("failed to reload wireguard interface: %w, output: %s", err, string(output))
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}
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return nil
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}
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// GetBackupSize calculates the total size of a backup directory
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func GetBackupSize(backupName string) (int64, error) {
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backupDir := "/etc/wg-admin/backups"
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backupPath := filepath.Join(backupDir, backupName)
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var size int64
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err := filepath.Walk(backupPath, func(_ string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if !info.IsDir() {
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size += info.Size()
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}
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return nil
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})
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return size, err
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}
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// GetBackupPath returns the full path for a backup name
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func GetBackupPath(backupName string) string {
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return filepath.Join("/etc/wg-admin/backups", backupName)
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}
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// ParseBackupName extracts operation and timestamp from backup directory name
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// Format: wg-backup-{operation}-{timestamp}
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func ParseBackupName(backupName string) (operation, timestamp string, err error) {
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if !strings.HasPrefix(backupName, "wg-backup-") {
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return "", "", fmt.Errorf("invalid backup name format")
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}
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nameWithoutPrefix := strings.TrimPrefix(backupName, "wg-backup-")
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// Timestamp format: 20060102-150405 (15 chars)
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if len(nameWithoutPrefix) < 16 {
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return "", "", fmt.Errorf("backup name too short")
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}
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// Extract operation (everything before last timestamp)
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timestampLen := 15
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if len(nameWithoutPrefix) > timestampLen+1 {
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operation = nameWithoutPrefix[:len(nameWithoutPrefix)-timestampLen-1]
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// Remove trailing dash if present
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if strings.HasSuffix(operation, "-") {
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operation = operation[:len(operation)-1]
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}
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}
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// Extract timestamp
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timestamp = nameWithoutPrefix[len(nameWithoutPrefix)-timestampLen:]
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// Validate timestamp format
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if _, err := time.Parse("20060102-150405", timestamp); err != nil {
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return "", "", fmt.Errorf("invalid timestamp format in backup name: %w", err)
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}
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return operation, timestamp, nil
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}
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