Пример #1
0
        /// <summary>
        /// Creates <see cref="IHierarchyItemAsync"/> instance by path.
        /// </summary>
        /// <param name="path">Item relative path including query string.</param>
        /// <returns>Instance of corresponding <see cref="IHierarchyItemAsync"/> or null if item is not found.</returns>
        public override async Task <IHierarchyItemAsync> GetHierarchyItemAsync(string path)
        {
            path = path.Trim(new[] { ' ', '/' });

            //remove query string.
            int ind = path.IndexOf('?');

            if (ind > -1)
            {
                path = path.Remove(ind);
            }

            IHierarchyItemAsync item = null;

            item = await DavFolder.GetFolderAsync(this, path);

            if (item != null)
            {
                return(item);
            }

            item = await DavFile.GetFileAsync(this, path);

            if (item != null)
            {
                return(item);
            }

            Logger.LogDebug("Could not find item that corresponds to path: " + path);

            return(null); // no hierarchy item that corresponds to path parameter was found in the repository
        }
Пример #2
0
        /// <summary>
        /// Returns file that corresponds to path.
        /// </summary>
        /// <param name="context">WebDAV Context.</param>
        /// <param name="path">Encoded path relative to WebDAV root folder.</param>
        /// <returns>File instance or null if physical file is not found in file system.</returns>
        public static async Task <DavFile> GetFileAsync(DavContext context, string path)
        {
            string   filePath = context.MapPath(path);
            FileInfo file     = new FileInfo(filePath);

            // This code blocks vulnerability when "%20" folder can be injected into path and file.Exists returns 'true'.
            if (!file.Exists || string.Compare(file.FullName.TrimEnd(System.IO.Path.DirectorySeparatorChar), filePath, StringComparison.OrdinalIgnoreCase) != 0)
            {
                return(null);
            }

            DavFile davFile = new DavFile(file, context, path);

            davFile.serialNumber = await file.GetExtendedAttributeAsync <int?>("SerialNumber") ?? 0;

            davFile.TotalContentLength = await file.GetExtendedAttributeAsync <long?>("TotalContentLength") ?? 0;

            return(davFile);
        }