Init V4 community edition (#2265)

* Init V4 community edition

* Init V4 community edition

pkg/webdav/file.go

@@ -5,16 +5,7 @@
 package webdav
 
 import (
-	"context"
-	"net/http"
 	"path"
-	"path/filepath"
-	"strconv"
-	"time"
-
-	model "github.com/cloudreve/Cloudreve/v3/models"
-	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
-	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
 )
 
 // slashClean is equivalent to but slightly more efficient than
@@ -25,182 +16,3 @@ func slashClean(name string) string {
 	}
 	return path.Clean(name)
 }
-
-// 更新Copy或Move后的修改时间
-func updateCopyMoveModtime(req *http.Request, fs *filesystem.FileSystem, dst string) error {
-	var modtime time.Time
-	if timeVal := req.Header.Get("X-OC-Mtime"); timeVal != "" {
-		timeUnix, err := strconv.ParseInt(timeVal, 10, 64)
-		if err == nil {
-			modtime = time.Unix(timeUnix, 0)
-		}
-	}
-
-	if modtime.IsZero() {
-		return nil
-	}
-
-	ok, fi := isPathExist(req.Context(), fs, dst)
-	if !ok {
-		return nil
-	}
-
-	if fi.IsDir() {
-		return model.DB.Model(fi.(*model.Folder)).UpdateColumn("updated_at", modtime).Error
-	}
-	return model.DB.Model(fi.(*model.File)).UpdateColumn("updated_at", modtime).Error
-}
-
-// moveFiles moves files and/or directories from src to dst.
-//
-// See section 9.9.4 for when various HTTP status codes apply.
-func moveFiles(ctx context.Context, fs *filesystem.FileSystem, src FileInfo, dst string, overwrite bool) (status int, err error) {
-
-	var (
-		fileIDs   []uint
-		folderIDs []uint
-	)
-	if src.IsDir() {
-		folderIDs = []uint{src.(*model.Folder).ID}
-	} else {
-		fileIDs = []uint{src.(*model.File).ID}
-	}
-
-	if overwrite {
-		if err := _checkOverwriteFile(ctx, fs, src, dst); err != nil {
-			return http.StatusInternalServerError, err
-		}
-	}
-
-	// 判断是否需要移动
-	if src.GetPosition() != path.Dir(dst) {
-		err = fs.Move(
-			context.WithValue(ctx, fsctx.WebdavDstName, path.Base(dst)),
-			folderIDs,
-			fileIDs,
-			src.GetPosition(),
-			path.Dir(dst),
-		)
-	} else if src.GetName() != path.Base(dst) {
-		// 判断是否需要重命名
-		err = fs.Rename(
-			ctx,
-			folderIDs,
-			fileIDs,
-			path.Base(dst),
-		)
-	}
-
-	if err != nil {
-		return http.StatusInternalServerError, err
-	}
-	return http.StatusNoContent, nil
-}
-
-// copyFiles copies files and/or directories from src to dst.
-//
-// See section 9.8.5 for when various HTTP status codes apply.
-func copyFiles(ctx context.Context, fs *filesystem.FileSystem, src FileInfo, dst string, overwrite bool, depth int, recursion int) (status int, err error) {
-	if recursion == 1000 {
-		return http.StatusInternalServerError, errRecursionTooDeep
-	}
-	recursion++
-
-	var (
-		fileIDs   []uint
-		folderIDs []uint
-	)
-
-	if overwrite {
-		if err := _checkOverwriteFile(ctx, fs, src, dst); err != nil {
-			return http.StatusInternalServerError, err
-		}
-	}
-
-	if src.IsDir() {
-		folderIDs = []uint{src.(*model.Folder).ID}
-	} else {
-		fileIDs = []uint{src.(*model.File).ID}
-	}
-
-	err = fs.Copy(
-		context.WithValue(ctx, fsctx.WebdavDstName, path.Base(dst)),
-		folderIDs,
-		fileIDs,
-		src.GetPosition(),
-		path.Dir(dst),
-	)
-	if err != nil {
-		return http.StatusInternalServerError, err
-	}
-
-	return http.StatusNoContent, nil
-}
-
-// 判断目标 文件/夹 是否已经存在，存在则先删除目标文件/夹
-func _checkOverwriteFile(ctx context.Context, fs *filesystem.FileSystem, src FileInfo, dst string) error {
-	if src.IsDir() {
-		ok, folder := fs.IsPathExist(dst)
-		if ok {
-			return fs.Delete(ctx, []uint{folder.ID}, []uint{}, false, false)
-		}
-	} else {
-		ok, file := fs.IsFileExist(dst)
-		if ok {
-			return fs.Delete(ctx, []uint{}, []uint{file.ID}, false, false)
-		}
-	}
-	return nil
-}
-
-// walkFS traverses filesystem fs starting at name up to depth levels.
-//
-// Allowed values for depth are 0, 1 or infiniteDepth. For each visited node,
-// walkFS calls walkFn. If a visited file system node is a directory and
-// walkFn returns filepath.SkipDir, walkFS will skip traversal of this node.
-func walkFS(
-	ctx context.Context,
-	fs *filesystem.FileSystem,
-	depth int,
-	name string,
-	info FileInfo,
-	walkFn func(reqPath string, info FileInfo, err error) error) error {
-	// This implementation is based on Walk's code in the standard path/filepath package.
-	err := walkFn(name, info, nil)
-	if err != nil {
-		if info.IsDir() && err == filepath.SkipDir {
-			return nil
-		}
-		return err
-	}
-	if !info.IsDir() || depth == 0 {
-		return nil
-	}
-	if depth == 1 {
-		depth = 0
-	}
-
-	dirs, _ := info.(*model.Folder).GetChildFolder()
-	files, _ := info.(*model.Folder).GetChildFiles()
-
-	for _, fileInfo := range files {
-		filename := path.Join(name, fileInfo.Name)
-		err = walkFS(ctx, fs, depth, filename, &fileInfo, walkFn)
-		if err != nil {
-			if !fileInfo.IsDir() || err != filepath.SkipDir {
-				return err
-			}
-		}
-	}
-
-	for _, fileInfo := range dirs {
-		filename := path.Join(name, fileInfo.Name)
-		err = walkFS(ctx, fs, depth, filename, &fileInfo, walkFn)
-		if err != nil {
-			if !fileInfo.IsDir() || err != filepath.SkipDir {
-				return err
-			}
-		}
-	}
-	return nil
-}