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// sftp_server.go
package sftpd
import (
"io"
"github.com/pkg/sftp"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/sftpd/auth"
"github.com/seaweedfs/seaweedfs/weed/sftpd/user"
"google.golang.org/grpc"
)
type SftpServer struct {
filerAddr pb.ServerAddress
grpcDialOption grpc.DialOption
dataCenter string
filerGroup string
user *user.User
authManager *auth.Manager
}
// NewSftpServer constructs the server.
func NewSftpServer(filerAddr pb.ServerAddress, grpcDialOption grpc.DialOption, dataCenter, filerGroup string, user *user.User) SftpServer {
// Create a file system helper for the auth manager
fsHelper := NewFileSystemHelper(filerAddr, grpcDialOption, dataCenter, filerGroup)
// Create an auth manager for permission checking
authManager := auth.NewManager(nil, fsHelper, []string{})
return SftpServer{
filerAddr: filerAddr,
grpcDialOption: grpcDialOption,
dataCenter: dataCenter,
filerGroup: filerGroup,
user: user,
authManager: authManager,
}
}
// Fileread is invoked for “get” requests.
func (fs *SftpServer) Fileread(req *sftp.Request) (io.ReaderAt, error) {
return fs.readFile(req)
}
// Filewrite is invoked for “put” requests.
func (fs *SftpServer) Filewrite(req *sftp.Request) (io.WriterAt, error) {
return fs.newFileWriter(req)
}
// Filecmd handles Remove, Rename, Mkdir, Rmdir, etc.
func (fs *SftpServer) Filecmd(req *sftp.Request) error {
return fs.dispatchCmd(req)
}
// Filelist handles directory listings.
func (fs *SftpServer) Filelist(req *sftp.Request) (sftp.ListerAt, error) {
return fs.listDir(req)
}
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