mirror of https://github.com/Xhofe/alist
				
				
				
			
		
			
				
	
	
		
			122 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
package ftp
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import (
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	"context"
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	"errors"
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	ftpserver "github.com/KirCute/ftpserverlib-pasvportmap"
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	"github.com/alist-org/alist/v3/internal/errs"
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	"github.com/alist-org/alist/v3/internal/fs"
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	"github.com/alist-org/alist/v3/internal/model"
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	"github.com/spf13/afero"
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	"os"
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	"time"
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)
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type AferoAdapter struct {
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	ctx          context.Context
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	nextFileSize int64
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}
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func NewAferoAdapter(ctx context.Context) *AferoAdapter {
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	return &AferoAdapter{ctx: ctx}
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}
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func (a *AferoAdapter) Create(_ string) (afero.File, error) {
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	// See also GetHandle
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	return nil, errs.NotImplement
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}
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func (a *AferoAdapter) Mkdir(name string, _ os.FileMode) error {
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	return Mkdir(a.ctx, name)
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}
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func (a *AferoAdapter) MkdirAll(path string, perm os.FileMode) error {
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	return a.Mkdir(path, perm)
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}
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func (a *AferoAdapter) Open(_ string) (afero.File, error) {
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	// See also GetHandle and ReadDir
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	return nil, errs.NotImplement
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}
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func (a *AferoAdapter) OpenFile(_ string, _ int, _ os.FileMode) (afero.File, error) {
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	// See also GetHandle
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	return nil, errs.NotImplement
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}
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func (a *AferoAdapter) Remove(name string) error {
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	return Remove(a.ctx, name)
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}
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func (a *AferoAdapter) RemoveAll(path string) error {
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	return a.Remove(path)
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}
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func (a *AferoAdapter) Rename(oldName, newName string) error {
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	return Rename(a.ctx, oldName, newName)
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}
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func (a *AferoAdapter) Stat(name string) (os.FileInfo, error) {
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	return Stat(a.ctx, name)
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}
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func (a *AferoAdapter) Name() string {
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	return "AList FTP Endpoint"
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}
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func (a *AferoAdapter) Chmod(_ string, _ os.FileMode) error {
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	return errs.NotSupport
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}
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func (a *AferoAdapter) Chown(_ string, _, _ int) error {
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	return errs.NotSupport
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}
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func (a *AferoAdapter) Chtimes(_ string, _ time.Time, _ time.Time) error {
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	return errs.NotSupport
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}
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func (a *AferoAdapter) ReadDir(name string) ([]os.FileInfo, error) {
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	return List(a.ctx, name)
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}
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func (a *AferoAdapter) GetHandle(name string, flags int, offset int64) (ftpserver.FileTransfer, error) {
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	fileSize := a.nextFileSize
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	a.nextFileSize = 0
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	if (flags & os.O_SYNC) != 0 {
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		return nil, errs.NotSupport
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	}
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	if (flags & os.O_APPEND) != 0 {
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		return nil, errs.NotSupport
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	}
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	user := a.ctx.Value("user").(*model.User)
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	path, err := user.JoinPath(name)
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	if err != nil {
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		return nil, err
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	}
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	_, err = fs.Get(a.ctx, path, &fs.GetArgs{})
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	exists := err == nil
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	if (flags&os.O_CREATE) == 0 && !exists {
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		return nil, errs.ObjectNotFound
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	}
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	if (flags&os.O_EXCL) != 0 && exists {
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		return nil, errors.New("file already exists")
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	}
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	if (flags & os.O_WRONLY) != 0 {
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		if offset != 0 {
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			return nil, errs.NotSupport
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		}
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		trunc := (flags & os.O_TRUNC) != 0
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		if fileSize > 0 {
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			return OpenUploadWithLength(a.ctx, path, trunc, fileSize)
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		} else {
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			return OpenUpload(a.ctx, path, trunc)
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		}
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	}
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	return OpenDownload(a.ctx, path, offset)
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}
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func (a *AferoAdapter) SetNextFileSize(size int64) {
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	a.nextFileSize = size
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}
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