112 lines
2.3 KiB
Go
112 lines
2.3 KiB
Go
package server
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import (
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"crypto/sha256"
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"encoding/hex"
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"github.com/mholt/archiver/v3"
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"github.com/pterodactyl/wings/config"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// Archiver represents a Server Archiver.
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type Archiver struct {
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Server *Server
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}
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// ArchivePath returns the path to the server's archive.
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func (a *Archiver) ArchivePath() string {
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return filepath.Join(config.Get().System.ArchiveDirectory, a.ArchiveName())
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}
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// ArchiveName returns the name of the server's archive.
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func (a *Archiver) ArchiveName() string {
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return a.Server.Id() + ".tar.gz"
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}
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// Exists returns a boolean based off if the archive exists.
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func (a *Archiver) Exists() bool {
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if _, err := os.Stat(a.ArchivePath()); os.IsNotExist(err) {
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return false
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}
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return true
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}
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// Stat stats the archive file.
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func (a *Archiver) Stat() (*Stat, error) {
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return a.Server.Filesystem.unsafeStat(a.ArchivePath())
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}
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// Archive creates an archive of the server and deletes the previous one.
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func (a *Archiver) Archive() error {
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path := a.Server.Filesystem.Path()
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// Get the list of root files and directories to archive.
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var files []string
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fileInfo, err := ioutil.ReadDir(path)
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if err != nil {
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return err
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}
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for _, file := range fileInfo {
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f, err := a.Server.Filesystem.SafeJoin(path, file)
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if err != nil {
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return err
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}
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files = append(files, f)
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}
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stat, err := a.Stat()
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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// Check if the file exists.
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if stat != nil {
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if err := os.Remove(a.ArchivePath()); err != nil {
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return err
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}
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}
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return archiver.NewTarGz().Archive(files, a.ArchivePath())
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}
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// DeleteIfExists deletes the archive if it exists.
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func (a *Archiver) DeleteIfExists() error {
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stat, err := a.Stat()
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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// Check if the file exists.
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if stat != nil {
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if err := os.Remove(a.ArchivePath()); err != nil {
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return err
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}
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}
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return nil
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}
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// Checksum computes a SHA256 checksum of the server's archive.
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func (a *Archiver) Checksum() (string, error) {
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file, err := os.Open(a.ArchivePath())
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if err != nil {
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return "", err
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}
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defer file.Close()
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hash := sha256.New()
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buf := make([]byte, 1024*4)
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if _, err := io.CopyBuffer(hash, file, buf); err != nil {
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return "", err
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}
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return hex.EncodeToString(hash.Sum(nil)), nil
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}
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