fix(stream): http chucked upload issue (#1152)

* fix(stream): http chucked upload issue

* fix(stream): use MmapThreshold

* fix(stream): improve caching mechanism and handle size=0 case

* fix bug

* fix(buffer): optimize ReadAt method for improved performance

* fix(upload): handle Content-Length and File-Size headers for better size management

* fix(189pc): 移除重复限速

* fix(upload): handle negative file size during streaming uploads

* fix(upload): update header key from File-Size to X-File-Size for size retrieval

---------

Co-authored-by: j2rong4cn <j2rong@qq.com>

server/handles/fsup.go

@@ -56,14 +56,17 @@ func FsStream(c *gin.Context) {
 		}
 	}
 	dir, name := stdpath.Split(path)
-	sizeStr := c.GetHeader("Content-Length")
-	if sizeStr == "" {
-		sizeStr = "0"
-	}
-	size, err := strconv.ParseInt(sizeStr, 10, 64)
-	if err != nil {
-		common.ErrorResp(c, err, 400)
-		return
+	// 如果请求头 Content-Length 和 X-File-Size 都没有，则 size=-1，表示未知大小的流式上传
+	size := c.Request.ContentLength
+	if size < 0 {
+		sizeStr := c.GetHeader("X-File-Size")
+		if sizeStr != "" {
+			size, err = strconv.ParseInt(sizeStr, 10, 64)
+			if err != nil {
+				common.ErrorResp(c, err, 400)
+				return
+			}
+		}
 	}
 	h := make(map[*utils.HashType]string)
 	if md5 := c.GetHeader("X-File-Md5"); md5 != "" {

server/webdav/webdav.go

@@ -14,6 +14,7 @@ import (
 	"net/url"
 	"os"
 	"path"
+	"strconv"
 	"strings"
 	"time"
 
@@ -341,9 +342,19 @@ func (h *Handler) handlePut(w http.ResponseWriter, r *http.Request) (status int,
 	if err != nil {
 		return http.StatusForbidden, err
 	}
+	size := r.ContentLength
+	if size < 0 {
+		sizeStr := r.Header.Get("X-File-Size")
+		if sizeStr != "" {
+			size, err = strconv.ParseInt(sizeStr, 10, 64)
+			if err != nil {
+				return http.StatusBadRequest, err
+			}
+		}
+	}
 	obj := model.Object{
 		Name:     path.Base(reqPath),
-		Size:     r.ContentLength,
+		Size:     size,
 		Modified: h.getModTime(r),
 		Ctime:    h.getCreateTime(r),
 	}