Files
stfs/internal/ftp/server.go

60 lines
1.2 KiB
Go

package ftp
import (
"crypto/tls"
"errors"
"sync"
ftpserver "github.com/fclairamb/ftpserverlib"
"github.com/spf13/afero"
)
var (
ErrNoTLS = errors.New("no TLS supported")
)
type FTPServer struct {
Settings *ftpserver.Settings
FileSystem afero.Fs
clientsLock sync.Mutex
clients []ftpserver.ClientContext
}
func (driver *FTPServer) GetSettings() (*ftpserver.Settings, error) {
return driver.Settings, nil
}
func (driver *FTPServer) GetTLSConfig() (*tls.Config, error) {
return nil, ErrNoTLS
}
func (driver *FTPServer) ClientConnected(cc ftpserver.ClientContext) (string, error) {
driver.clientsLock.Lock()
defer driver.clientsLock.Unlock()
driver.clients = append(driver.clients, cc)
return "", nil
}
func (driver *FTPServer) ClientDisconnected(cc ftpserver.ClientContext) {
driver.clientsLock.Lock()
defer driver.clientsLock.Unlock()
for idx, client := range driver.clients {
if client.ID() == cc.ID() {
lastIdx := len(driver.clients) - 1
driver.clients[idx] = driver.clients[lastIdx]
driver.clients[lastIdx] = nil
driver.clients = driver.clients[:lastIdx]
return
}
}
}
func (driver *FTPServer) AuthUser(_ ftpserver.ClientContext, user, pass string) (ftpserver.ClientDriver, error) {
return driver.FileSystem, nil
}