feat: misc improvements about upload/copy/hash (#5045)

general: add createTime/updateTime support in webdav and some drivers
general: add hash support in some drivers
general: cross-storage rapid-upload support
general: enhance upload to avoid local temp file if possible
general: replace readseekcloser with File interface to speed upstream operations
feat(aliyun_open): same as above
feat(crypt): add hack for 139cloud

Close #4934 
Close #4819 

baidu_netdisk needs to improve the upload code to support rapid-upload

server/webdav/prop.go

@@ -131,8 +131,8 @@ var liveProps = map[xml.Name]struct {
 		dir: true,
 	},
 	{Space: "DAV:", Local: "creationdate"}: {
-		findFn: nil,
-		dir:    false,
+		findFn: findCreationDate,
+		dir:    true,
 	},
 	{Space: "DAV:", Local: "getcontentlanguage"}: {
 		findFn: nil,
@@ -383,6 +383,9 @@ func findContentLength(ctx context.Context, ls LockSystem, name string, fi model
 func findLastModified(ctx context.Context, ls LockSystem, name string, fi model.Obj) (string, error) {
 	return fi.ModTime().UTC().Format(http.TimeFormat), nil
 }
+func findCreationDate(ctx context.Context, ls LockSystem, name string, fi model.Obj) (string, error) {
+	return fi.CreateTime().UTC().Format(http.TimeFormat), nil
+}
 
 // ErrNotImplemented should be returned by optional interfaces if they
 // want the original implementation to be used.

server/webdav/util.go

@@ -0,0 +1,29 @@
+package webdav
+
+import (
+	log "github.com/sirupsen/logrus"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+func (h *Handler) getModTime(r *http.Request) time.Time {
+	return h.getHeaderTime(r, "X-OC-Mtime")
+}
+
+// owncloud/ nextcloud haven't impl this, but we can add the support since rclone may support this soon
+func (h *Handler) getCreateTime(r *http.Request) time.Time {
+	return h.getHeaderTime(r, "X-OC-Ctime")
+}
+
+func (h *Handler) getHeaderTime(r *http.Request, header string) time.Time {
+	hVal := r.Header.Get(header)
+	if hVal != "" {
+		modTimeUnix, err := strconv.ParseInt(hVal, 10, 64)
+		if err == nil {
+			return time.Unix(modTimeUnix, 0)
+		}
+		log.Warnf("getModTime in Webdav, failed to parse %s, %s", header, err)
+	}
+	return time.Now()
+}

server/webdav/webdav.go

@@ -8,6 +8,7 @@ package webdav // import "golang.org/x/net/webdav"
 import (
 	"errors"
 	"fmt"
+	"github.com/alist-org/alist/v3/internal/stream"
 	"net/http"
 	"net/url"
 	"os"
@@ -321,12 +322,13 @@ func (h *Handler) handlePut(w http.ResponseWriter, r *http.Request) (status int,
 	obj := model.Object{
 		Name:     path.Base(reqPath),
 		Size:     r.ContentLength,
-		Modified: time.Now(),
+		Modified: h.getModTime(r),
+		Ctime:    h.getCreateTime(r),
 	}
-	stream := &model.FileStream{
-		Obj:        &obj,
-		ReadCloser: r.Body,
-		Mimetype:   r.Header.Get("Content-Type"),
+	stream := &stream.FileStream{
+		Obj:      &obj,
+		Reader:   r.Body,
+		Mimetype: r.Header.Get("Content-Type"),
 	}
 	if stream.Mimetype == "" {
 		stream.Mimetype = utils.GetMimeType(reqPath)
@@ -336,6 +338,8 @@ func (h *Handler) handlePut(w http.ResponseWriter, r *http.Request) (status int,
 		return http.StatusNotFound, err
 	}
 
+	_ = r.Body.Close()
+	_ = stream.Close()
 	// TODO(rost): Returning 405 Method Not Allowed might not be appropriate.
 	if err != nil {
 		return http.StatusMethodNotAllowed, err