fix webdav issue for root folder

internal/webdav/pan_client_proxy.go

@@ -81,7 +81,9 @@ const FileUploadExpiredMinute = 1440 // 24小时
 
 func formatPathStyle(pathStr string) string {
 	pathStr = strings.ReplaceAll(pathStr, "\\", "/")
-	pathStr = strings.TrimSuffix(pathStr, "/")
+	if pathStr != "/" {
+		pathStr = strings.TrimSuffix(pathStr, "/")
+	}
 	return pathStr
 }
 

internal/webdav/webdav_config.go

@@ -43,6 +43,11 @@ func (w *WebdavConfig) StartServer() {
 		if wdfi.fullPath != "/" && strings.Index(wdfi.fullPath, "/") != 0 {
 			wdfi.fullPath = "/" + wdfi.fullPath
 		}
+		panClientProxy := &PanClientProxy{
+			PanUser:    w.PanUser,
+			PanDriveId: w.PanDriveId,
+			PanTransferUrlType: w.TransferUrlType,
+		}
 		users[u.Username] = &User{
 			Username: u.Username,
 			Password: u.Password,
@@ -54,17 +59,15 @@ func (w *WebdavConfig) StartServer() {
 				FileSystem: WebDavDir{
 					Dir:     webdav.Dir(u.Scope),
 					NoSniff: false,
-					panClientProxy: &PanClientProxy{
-						PanUser:    w.PanUser,
-						PanDriveId: w.PanDriveId,
-						PanTransferUrlType: w.TransferUrlType,
-					},
+					panClientProxy: panClientProxy,
 					fileInfo:        wdfi,
 					uploadChunkSize: w.UploadChunkSize,
 				},
 				LockSystem: webdav.NewMemLS(),
 			},
 		}
+		// load & cache root folder info
+		_, _ = panClientProxy.FileListGetAll(u.Scope)
 	}
 	cfg := &Config{
 		Auth:      true,

internal/webdav/webdav_file.go

@@ -53,7 +53,11 @@ func sliceClean(name string) string {
 // formatAbsoluteName 将name名称更改为绝对路径
 func (d WebDavDir) formatAbsoluteName(pathStr string) string {
 	if strings.Index(pathStr, "/") != 0 {
-		pathStr = d.fileInfo.fullPath + "/" + pathStr
+		if d.fileInfo.fullPath != "/" {
+			pathStr = d.fileInfo.fullPath + "/" + pathStr
+		} else {
+			pathStr = d.fileInfo.fullPath + pathStr
+		}
 	}
 	return pathStr
 }