예제 #1
0
        internal bool ValidateBusinessRules(FlowValidationRules rules, out List <string> errorMessages)
        {
            errorMessages = new List <string>();
            if (rules.MaxFileSize.HasValue && TotalSize > rules.MaxFileSize.Value)
            {
                errorMessages.Add(rules.MaxFileSizeMessage ?? "size");
            }

            if (rules.AcceptedExtensions.Count > 0 && rules.AcceptedExtensions.SingleOrDefault(x => x.ToUpperInvariant() == FileName.Split('.').Last().ToUpperInvariant()) == null)
            {
                errorMessages.Add(rules.AcceptedExtensionsMessage ?? "type");
            }

            return(errorMessages.Count == 0);
        }
예제 #2
0
        private FlowJsPostChunkResponse PostChunkBase(HttpRequest request, string folder, FlowValidationRules validationRules)
        {
            var chunk = new FlowChunk();

            if (!chunk.ParseForm(request.Form))
            {
                var errResponse = new FlowJsPostChunkResponse();
                errResponse.Status = PostChunkStatus.Error;
                errResponse.ErrorMessages.Add("damaged");
            }

            List <string> errorMessages = null;
            var           file          = request.Files[0];

            var response = new FlowJsPostChunkResponse {
                FileName = chunk.FileName, Size = chunk.TotalSize
            };

            var chunkIsValid = true;

            if (validationRules != null)
            {
                chunkIsValid = chunk.ValidateBusinessRules(validationRules, out errorMessages);
            }

            if (!chunkIsValid)
            {
                response.Status        = PostChunkStatus.Error;
                response.ErrorMessages = errorMessages;
                return(response);
            }

            string root = HttpContext.Current.Server.MapPath("~/Images");

            var chunkFullPathName = GetChunkFilename(chunk.Number, chunk.Identifier, root);

            if (!Directory.Exists(root))
            {
                Directory.CreateDirectory(root);
            }
            file.SaveAs(chunkFullPathName);

            for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
            {
                var chunkNameToTest = GetChunkFilename(i, chunk.Identifier, root);

                if (!File.Exists(chunkNameToTest))
                {
                    response.Status = PostChunkStatus.PartlyDone;
                    return(response);
                }
            }

            // if we are here, all chunks are uploaded
            var fileAry = new List <string>();

            for (int i = 1, l = chunk.TotalChunks; i <= l; i++)
            {
                fileAry.Add("flow-" + chunk.Identifier + "." + i);
            }

            MultipleFilesToSingleFile(root, fileAry, chunk.FileName);

            for (int i = 0, l = fileAry.Count; i < l; i++)
            {
                try
                {
                    File.Delete(Path.Combine(root, fileAry[i]));
                }
                catch (Exception)
                {
                }
            }

            response.Status = PostChunkStatus.Done;
            return(response);
        }
예제 #3
0
 public FlowJsPostChunkResponse PostChunk(HttpRequest request, string folder, FlowValidationRules validationRules)
 {
     return(PostChunkBase(request, folder, validationRules));
 }