mirror of https://github.com/Xhofe/alist
139 lines
2.6 KiB
Go
139 lines
2.6 KiB
Go
package smb
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import (
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"github.com/alist-org/alist/v3/pkg/utils"
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"io/fs"
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"net"
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"os"
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"path/filepath"
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"sync/atomic"
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"time"
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"github.com/hirochachacha/go-smb2"
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)
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func (d *SMB) updateLastConnTime() {
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atomic.StoreInt64(&d.lastConnTime, time.Now().Unix())
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}
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func (d *SMB) cleanLastConnTime() {
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atomic.StoreInt64(&d.lastConnTime, 0)
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}
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func (d *SMB) getLastConnTime() time.Time {
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return time.Unix(atomic.LoadInt64(&d.lastConnTime), 0)
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}
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func (d *SMB) initFS() error {
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conn, err := net.Dial("tcp", d.Address)
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if err != nil {
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return err
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}
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dialer := &smb2.Dialer{
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Initiator: &smb2.NTLMInitiator{
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User: d.Username,
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Password: d.Password,
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},
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}
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s, err := dialer.Dial(conn)
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if err != nil {
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return err
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}
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d.fs, err = s.Mount(d.ShareName)
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if err != nil {
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return err
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}
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d.updateLastConnTime()
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return err
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}
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func (d *SMB) checkConn() error {
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if time.Since(d.getLastConnTime()) < 5*time.Minute {
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return nil
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}
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if d.fs != nil {
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_ = d.fs.Umount()
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}
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return d.initFS()
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}
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// CopyFile File copies a single file from src to dst
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func (d *SMB) CopyFile(src, dst string) error {
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var err error
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var srcfd *smb2.File
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var dstfd *smb2.File
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var srcinfo fs.FileInfo
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if srcfd, err = d.fs.Open(src); err != nil {
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return err
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}
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defer srcfd.Close()
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if dstfd, err = d.CreateNestedFile(dst); err != nil {
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return err
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}
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defer dstfd.Close()
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if _, err = utils.CopyWithBuffer(dstfd, srcfd); err != nil {
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return err
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}
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if srcinfo, err = d.fs.Stat(src); err != nil {
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return err
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}
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return d.fs.Chmod(dst, srcinfo.Mode())
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}
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// CopyDir Dir copies a whole directory recursively
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func (d *SMB) CopyDir(src string, dst string) error {
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var err error
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var fds []fs.FileInfo
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var srcinfo fs.FileInfo
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if srcinfo, err = d.fs.Stat(src); err != nil {
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return err
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}
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if err = d.fs.MkdirAll(dst, srcinfo.Mode()); err != nil {
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return err
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}
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if fds, err = d.fs.ReadDir(src); err != nil {
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return err
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}
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for _, fd := range fds {
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srcfp := filepath.Join(src, fd.Name())
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dstfp := filepath.Join(dst, fd.Name())
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if fd.IsDir() {
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if err = d.CopyDir(srcfp, dstfp); err != nil {
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return err
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}
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} else {
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if err = d.CopyFile(srcfp, dstfp); err != nil {
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return err
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}
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}
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}
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return nil
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}
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// Exists determine whether the file exists
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func (d *SMB) Exists(name string) bool {
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if _, err := d.fs.Stat(name); err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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return true
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}
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// CreateNestedFile create nested file
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func (d *SMB) CreateNestedFile(path string) (*smb2.File, error) {
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basePath := filepath.Dir(path)
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if !d.Exists(basePath) {
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err := d.fs.MkdirAll(basePath, 0700)
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if err != nil {
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return nil, err
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}
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}
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return d.fs.Create(path)
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}
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