|
|
package filesystem
|
|
|
|
|
|
import (
|
|
|
"context"
|
|
|
"fmt"
|
|
|
"path"
|
|
|
"strings"
|
|
|
|
|
|
model "github.com/cloudreve/Cloudreve/v3/models"
|
|
|
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
|
|
|
"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
|
|
|
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
|
|
|
"github.com/cloudreve/Cloudreve/v3/pkg/util"
|
|
|
)
|
|
|
|
|
|
/* =================
|
|
|
文件/目录管理
|
|
|
=================
|
|
|
*/
|
|
|
|
|
|
// Rename 重命名对象
|
|
|
func (fs *FileSystem) Rename(ctx context.Context, dir, file []uint, new string) (err error) {
|
|
|
// 验证新名字
|
|
|
if !fs.ValidateLegalName(ctx, new) || (len(file) > 0 && !fs.ValidateExtension(ctx, new)) {
|
|
|
return ErrIllegalObjectName
|
|
|
}
|
|
|
|
|
|
// 如果源对象是文件
|
|
|
if len(file) > 0 {
|
|
|
fileObject, err := model.GetFilesByIDs([]uint{file[0]}, fs.User.ID)
|
|
|
if err != nil || len(fileObject) == 0 {
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
err = fileObject[0].Rename(new)
|
|
|
if err != nil {
|
|
|
return ErrFileExisted
|
|
|
}
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
if len(dir) > 0 {
|
|
|
folderObject, err := model.GetFoldersByIDs([]uint{dir[0]}, fs.User.ID)
|
|
|
if err != nil || len(folderObject) == 0 {
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
err = folderObject[0].Rename(new)
|
|
|
if err != nil {
|
|
|
return ErrFileExisted
|
|
|
}
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
// Copy 复制src目录下的文件或目录到dst，
|
|
|
// 暂时只支持单文件
|
|
|
func (fs *FileSystem) Copy(ctx context.Context, dirs, files []uint, src, dst string) error {
|
|
|
// 获取目的目录
|
|
|
isDstExist, dstFolder := fs.IsPathExist(dst)
|
|
|
isSrcExist, srcFolder := fs.IsPathExist(src)
|
|
|
// 不存在时返回空的结果
|
|
|
if !isDstExist || !isSrcExist {
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
// 记录复制的文件的总容量
|
|
|
var newUsedStorage uint64
|
|
|
|
|
|
// 复制目录
|
|
|
if len(dirs) > 0 {
|
|
|
subFileSizes, err := srcFolder.CopyFolderTo(dirs[0], dstFolder)
|
|
|
if err != nil {
|
|
|
return serializer.NewError(serializer.CodeDBError, "操作失败，可能有重名冲突", err)
|
|
|
}
|
|
|
newUsedStorage += subFileSizes
|
|
|
}
|
|
|
|
|
|
// 复制文件
|
|
|
if len(files) > 0 {
|
|
|
subFileSizes, err := srcFolder.MoveOrCopyFileTo(files, dstFolder, true)
|
|
|
if err != nil {
|
|
|
return serializer.NewError(serializer.CodeDBError, "操作失败，可能有重名冲突", err)
|
|
|
}
|
|
|
newUsedStorage += subFileSizes
|
|
|
}
|
|
|
|
|
|
// 扣除容量
|
|
|
fs.User.IncreaseStorageWithoutCheck(newUsedStorage)
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// Move 移动文件和目录, 将id列表dirs和files从src移动至dst
|
|
|
func (fs *FileSystem) Move(ctx context.Context, dirs, files []uint, src, dst string) error {
|
|
|
// 获取目的目录
|
|
|
isDstExist, dstFolder := fs.IsPathExist(dst)
|
|
|
isSrcExist, srcFolder := fs.IsPathExist(src)
|
|
|
// 不存在时返回空的结果
|
|
|
if !isDstExist || !isSrcExist {
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
// 处理目录及子文件移动
|
|
|
err := srcFolder.MoveFolderTo(dirs, dstFolder)
|
|
|
if err != nil {
|
|
|
return serializer.NewError(serializer.CodeDBError, "操作失败，可能有重名冲突", err)
|
|
|
}
|
|
|
|
|
|
// 处理文件移动
|
|
|
_, err = srcFolder.MoveOrCopyFileTo(files, dstFolder, false)
|
|
|
if err != nil {
|
|
|
return serializer.NewError(serializer.CodeDBError, "操作失败，可能有重名冲突", err)
|
|
|
}
|
|
|
|
|
|
// 移动文件
|
|
|
|
|
|
return err
|
|
|
}
|
|
|
|
|
|
// Delete 递归删除对象, force 为 true 时强制删除文件记录，忽略物理删除是否成功
|
|
|
func (fs *FileSystem) Delete(ctx context.Context, dirs, files []uint, force bool) error {
|
|
|
// 已删除的文件ID
|
|
|
var deletedFiles = make([]*model.File, 0, len(fs.FileTarget))
|
|
|
// 删除失败的文件的父目录ID
|
|
|
|
|
|
// 所有文件的ID
|
|
|
var allFiles = make([]*model.File, 0, len(fs.FileTarget))
|
|
|
|
|
|
// 列出要删除的目录
|
|
|
if len(dirs) > 0 {
|
|
|
err := fs.ListDeleteDirs(ctx, dirs)
|
|
|
if err != nil {
|
|
|
return err
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 列出要删除的文件
|
|
|
if len(files) > 0 {
|
|
|
err := fs.ListDeleteFiles(ctx, files)
|
|
|
if err != nil {
|
|
|
return err
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 去除待删除文件中包含软连接的部分
|
|
|
filesToBeDelete, err := model.RemoveFilesWithSoftLinks(fs.FileTarget)
|
|
|
if err != nil {
|
|
|
return ErrDBListObjects.WithError(err)
|
|
|
}
|
|
|
|
|
|
// 根据存储策略将文件分组
|
|
|
policyGroup := fs.GroupFileByPolicy(ctx, filesToBeDelete)
|
|
|
|
|
|
// 按照存储策略分组删除对象
|
|
|
failed := fs.deleteGroupedFile(ctx, policyGroup)
|
|
|
|
|
|
// 整理删除结果
|
|
|
for i := 0; i < len(fs.FileTarget); i++ {
|
|
|
if !util.ContainsString(failed[fs.FileTarget[i].PolicyID], fs.FileTarget[i].SourceName) {
|
|
|
// 已成功删除的文件
|
|
|
deletedFiles = append(deletedFiles, &fs.FileTarget[i])
|
|
|
}
|
|
|
|
|
|
// 全部文件
|
|
|
allFiles = append(allFiles, &fs.FileTarget[i])
|
|
|
}
|
|
|
|
|
|
// 如果强制删除，则将全部文件视为删除成功
|
|
|
if force {
|
|
|
deletedFiles = allFiles
|
|
|
}
|
|
|
|
|
|
// 删除文件记录
|
|
|
err = model.DeleteFiles(deletedFiles, fs.User.ID)
|
|
|
if err != nil {
|
|
|
return ErrDBDeleteObjects.WithError(err)
|
|
|
}
|
|
|
|
|
|
// 删除文件记录对应的分享记录
|
|
|
// TODO 先取消分享再删除文件
|
|
|
deletedFileIDs := make([]uint, len(deletedFiles))
|
|
|
for k, file := range deletedFiles {
|
|
|
deletedFileIDs[k] = file.ID
|
|
|
}
|
|
|
|
|
|
model.DeleteShareBySourceIDs(deletedFileIDs, false)
|
|
|
|
|
|
// 如果文件全部删除成功，继续删除目录
|
|
|
if len(deletedFiles) == len(allFiles) {
|
|
|
var allFolderIDs = make([]uint, 0, len(fs.DirTarget))
|
|
|
for _, value := range fs.DirTarget {
|
|
|
allFolderIDs = append(allFolderIDs, value.ID)
|
|
|
}
|
|
|
err = model.DeleteFolderByIDs(allFolderIDs)
|
|
|
if err != nil {
|
|
|
return ErrDBDeleteObjects.WithError(err)
|
|
|
}
|
|
|
|
|
|
// 删除目录记录对应的分享记录
|
|
|
model.DeleteShareBySourceIDs(allFolderIDs, true)
|
|
|
}
|
|
|
|
|
|
if notDeleted := len(fs.FileTarget) - len(deletedFiles); notDeleted > 0 {
|
|
|
return serializer.NewError(
|
|
|
serializer.CodeNotFullySuccess,
|
|
|
fmt.Sprintf("有 %d 个文件未能成功删除", notDeleted),
|
|
|
nil,
|
|
|
)
|
|
|
}
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// ListDeleteDirs 递归列出要删除目录，及目录下所有文件
|
|
|
func (fs *FileSystem) ListDeleteDirs(ctx context.Context, ids []uint) error {
|
|
|
// 列出所有递归子目录
|
|
|
folders, err := model.GetRecursiveChildFolder(ids, fs.User.ID, true)
|
|
|
if err != nil {
|
|
|
return ErrDBListObjects.WithError(err)
|
|
|
}
|
|
|
|
|
|
// 忽略根目录
|
|
|
for i := 0; i < len(folders); i++ {
|
|
|
if folders[i].ParentID == nil {
|
|
|
folders = append(folders[:i], folders[i+1:]...)
|
|
|
break
|
|
|
}
|
|
|
}
|
|
|
|
|
|
fs.SetTargetDir(&folders)
|
|
|
|
|
|
// 检索目录下的子文件
|
|
|
files, err := model.GetChildFilesOfFolders(&folders)
|
|
|
if err != nil {
|
|
|
return ErrDBListObjects.WithError(err)
|
|
|
}
|
|
|
fs.SetTargetFile(&files)
|
|
|
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// ListDeleteFiles 根据给定的路径列出要删除的文件
|
|
|
func (fs *FileSystem) ListDeleteFiles(ctx context.Context, ids []uint) error {
|
|
|
files, err := model.GetFilesByIDs(ids, fs.User.ID)
|
|
|
if err != nil {
|
|
|
return ErrDBListObjects.WithError(err)
|
|
|
}
|
|
|
fs.SetTargetFile(&files)
|
|
|
return nil
|
|
|
}
|
|
|
|
|
|
// List 列出路径下的内容,
|
|
|
// pathProcessor为最终对象路径的处理钩子。
|
|
|
// 有些情况下（如在分享页面列对象）时，
|
|
|
// 路径需要截取掉被分享目录路径之前的部分。
|
|
|
func (fs *FileSystem) List(ctx context.Context, dirPath string, pathProcessor func(string) string) ([]serializer.Object, error) {
|
|
|
// 获取父目录
|
|
|
isExist, folder := fs.IsPathExist(dirPath)
|
|
|
if !isExist {
|
|
|
return nil, ErrPathNotExist
|
|
|
}
|
|
|
fs.SetTargetDir(&[]model.Folder{*folder})
|
|
|
|
|
|
var parentPath = path.Join(folder.Position, folder.Name)
|
|
|
var childFolders []model.Folder
|
|
|
var childFiles []model.File
|
|
|
|
|
|
// 获取子目录
|
|
|
childFolders, _ = folder.GetChildFolder()
|
|
|
|
|
|
// 获取子文件
|
|
|
childFiles, _ = folder.GetChildFiles()
|
|
|
|
|
|
return fs.listObjects(ctx, parentPath, childFiles, childFolders, pathProcessor), nil
|
|
|
}
|
|
|
|
|
|
// ListPhysical 列出存储策略中的外部目录
|
|
|
// TODO:测试
|
|
|
func (fs *FileSystem) ListPhysical(ctx context.Context, dirPath string) ([]serializer.Object, error) {
|
|
|
if err := fs.DispatchHandler(); fs.Policy == nil || err != nil {
|
|
|
return nil, ErrUnknownPolicyType
|
|
|
}
|
|
|
|
|
|
// 存储策略不支持列取时，返回空结果
|
|
|
if !fs.Policy.CanStructureBeListed() {
|
|
|
return nil, nil
|
|
|
}
|
|
|
|
|
|
// 列取路径
|
|
|
objects, err := fs.Handler.List(ctx, dirPath, false)
|
|
|
if err != nil {
|
|
|
return nil, err
|
|
|
}
|
|
|
|
|
|
var (
|
|
|
folders []model.Folder
|
|
|
)
|
|
|
for _, object := range objects {
|
|
|
if object.IsDir {
|
|
|
folders = append(folders, model.Folder{
|
|
|
Name: object.Name,
|
|
|
})
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return fs.listObjects(ctx, dirPath, nil, folders, nil), nil
|
|
|
}
|
|
|
|
|
|
func (fs *FileSystem) listObjects(ctx context.Context, parent string, files []model.File, folders []model.Folder, pathProcessor func(string) string) []serializer.Object {
|
|
|
// 分享文件的ID
|
|
|
shareKey := ""
|
|
|
if key, ok := ctx.Value(fsctx.ShareKeyCtx).(string); ok {
|
|
|
shareKey = key
|
|
|
}
|
|
|
|
|
|
// 汇总处理结果
|
|
|
objects := make([]serializer.Object, 0, len(files)+len(folders))
|
|
|
|
|
|
// 所有对象的父目录
|
|
|
var processedPath string
|
|
|
|
|
|
for _, subFolder := range folders {
|
|
|
// 路径处理钩子，
|
|
|
// 所有对象父目录都是一样的，所以只处理一次
|
|
|
if processedPath == "" {
|
|
|
if pathProcessor != nil {
|
|
|
processedPath = pathProcessor(parent)
|
|
|
} else {
|
|
|
processedPath = parent
|
|
|
}
|
|
|
}
|
|
|
|
|
|
objects = append(objects, serializer.Object{
|
|
|
ID: hashid.HashID(subFolder.ID, hashid.FolderID),
|
|
|
Name: subFolder.Name,
|
|
|
Path: processedPath,
|
|
|
Pic: "",
|
|
|
Size: 0,
|
|
|
Type: "dir",
|
|
|
Date: subFolder.UpdatedAt,
|
|
|
CreateDate: subFolder.CreatedAt,
|
|
|
})
|
|
|
}
|
|
|
|
|
|
for _, file := range files {
|
|
|
if processedPath == "" {
|
|
|
if pathProcessor != nil {
|
|
|
processedPath = pathProcessor(parent)
|
|
|
} else {
|
|
|
processedPath = parent
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if file.UploadSessionID == nil {
|
|
|
newFile := serializer.Object{
|
|
|
ID: hashid.HashID(file.ID, hashid.FileID),
|
|
|
Name: file.Name,
|
|
|
Path: processedPath,
|
|
|
Pic: file.PicInfo,
|
|
|
Size: file.Size,
|
|
|
Type: "file",
|
|
|
Date: file.UpdatedAt,
|
|
|
SourceEnabled: file.GetPolicy().IsOriginLinkEnable,
|
|
|
CreateDate: file.CreatedAt,
|
|
|
}
|
|
|
if shareKey != "" {
|
|
|
newFile.Key = shareKey
|
|
|
}
|
|
|
objects = append(objects, newFile)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return objects
|
|
|
}
|
|
|
|
|
|
// CreateDirectory 根据给定的完整创建目录，支持递归创建。如果目录已存在，则直接
|
|
|
// 返回已存在的目录。
|
|
|
func (fs *FileSystem) CreateDirectory(ctx context.Context, fullPath string) (*model.Folder, error) {
|
|
|
if fullPath == "." || fullPath == "" {
|
|
|
return nil, ErrRootProtected
|
|
|
}
|
|
|
|
|
|
if fullPath == "/" {
|
|
|
return fs.User.Root()
|
|
|
}
|
|
|
|
|
|
// 获取要创建目录的父路径和目录名
|
|
|
fullPath = path.Clean(fullPath)
|
|
|
base := path.Dir(fullPath)
|
|
|
dir := path.Base(fullPath)
|
|
|
|
|
|
// 去掉结尾空格
|
|
|
dir = strings.TrimRight(dir, " ")
|
|
|
|
|
|
// 检查目录名是否合法
|
|
|
if !fs.ValidateLegalName(ctx, dir) {
|
|
|
return nil, ErrIllegalObjectName
|
|
|
}
|
|
|
|
|
|
// 父目录是否存在
|
|
|
isExist, parent := fs.IsPathExist(base)
|
|
|
if !isExist {
|
|
|
newParent, err := fs.CreateDirectory(ctx, base)
|
|
|
if err != nil {
|
|
|
return nil, err
|
|
|
}
|
|
|
parent = newParent
|
|
|
}
|
|
|
|
|
|
// 是否有同名文件
|
|
|
if ok, _ := fs.IsChildFileExist(parent, dir); ok {
|
|
|
return nil, ErrFileExisted
|
|
|
}
|
|
|
|
|
|
// 创建目录
|
|
|
newFolder := model.Folder{
|
|
|
Name: dir,
|
|
|
ParentID: &parent.ID,
|
|
|
OwnerID: fs.User.ID,
|
|
|
}
|
|
|
_, err := newFolder.Create()
|
|
|
|
|
|
if err != nil {
|
|
|
return nil, fmt.Errorf("failed to create folder: %w", err)
|
|
|
}
|
|
|
|
|
|
return &newFolder, nil
|
|
|
}
|
|
|
|
|
|
// SaveTo 将别人分享的文件转存到目标路径下
|
|
|
func (fs *FileSystem) SaveTo(ctx context.Context, path string) error {
|
|
|
// 获取父目录
|
|
|
isExist, folder := fs.IsPathExist(path)
|
|
|
if !isExist {
|
|
|
return ErrPathNotExist
|
|
|
}
|
|
|
|
|
|
var (
|
|
|
totalSize uint64
|
|
|
err error
|
|
|
)
|
|
|
|
|
|
if len(fs.DirTarget) > 0 {
|
|
|
totalSize, err = fs.DirTarget[0].CopyFolderTo(fs.DirTarget[0].ID, folder)
|
|
|
} else {
|
|
|
parent := model.Folder{
|
|
|
OwnerID: fs.FileTarget[0].UserID,
|
|
|
}
|
|
|
parent.ID = fs.FileTarget[0].FolderID
|
|
|
totalSize, err = parent.MoveOrCopyFileTo([]uint{fs.FileTarget[0].ID}, folder, true)
|
|
|
}
|
|
|
|
|
|
// 扣除用户容量
|
|
|
fs.User.IncreaseStorageWithoutCheck(totalSize)
|
|
|
if err != nil {
|
|
|
return ErrFileExisted.WithError(err)
|
|
|
}
|
|
|
|
|
|
return nil
|
|
|
}
|
