107 lines
4.4 KiB
C#
107 lines
4.4 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Text.Json;
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using System.Threading.Tasks;
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using ASC.CRM.Core.Dao;
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using ASC.CRM.Resources;
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using ASC.Files.Core;
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using ASC.Web.Core.Utility;
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using ASC.Web.Studio.Core;
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using ASC.Web.Studio.UserControls.Statistics;
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using ASC.Web.Studio.Utility;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.DependencyInjection;
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namespace ASC.Web.CRM.HttpHandlers
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{
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public class FileUploaderHandlerMiddleware
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{
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private readonly RequestDelegate _next;
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public FileUploaderHandlerMiddleware(RequestDelegate next)
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{
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_next = next;
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}
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public async Task InvokeAsync(HttpContext context,
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SetupInfo setupInfo,
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DaoFactory daoFactory,
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FileSizeComment fileSizeComment,
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IServiceProvider serviceProvider,
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TenantExtra tenantExtra,
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TenantStatisticsProvider tenantStatisticsProvider)
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{
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context.Request.EnableBuffering();
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var fileUploadResult = new FileUploadResult();
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if (context.Request.Form.Files.Count == 0)
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{
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await context.Response.WriteAsync(JsonSerializer.Serialize(fileUploadResult));
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}
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var fileName = context.Request.Form.Files[0].FileName;
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var contentLength = context.Request.Form.Files[0].Length;
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if (String.IsNullOrEmpty(fileName) || contentLength == 0)
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throw new InvalidOperationException(CRMErrorsResource.InvalidFile);
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if (0 < setupInfo.MaxUploadSize(tenantExtra, tenantStatisticsProvider) && setupInfo.MaxUploadSize(tenantExtra, tenantStatisticsProvider) < contentLength)
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throw fileSizeComment.FileSizeException;
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fileName = fileName.LastIndexOf('\\') != -1
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? fileName.Substring(fileName.LastIndexOf('\\') + 1)
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: fileName;
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var document = serviceProvider.GetService<File<int>>();
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document.Title = fileName;
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document.FolderID = daoFactory.GetFileDao().GetRoot();
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document.ContentLength = contentLength;
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document = daoFactory.GetFileDao().SaveFile(document, context.Request.Form.Files[0].OpenReadStream());
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fileUploadResult.Data = document.ID;
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fileUploadResult.FileName = document.Title;
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fileUploadResult.FileURL = document.DownloadUrl;
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fileUploadResult.Success = true;
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await context.Response.WriteAsync(JsonSerializer.Serialize(fileUploadResult));
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}
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}
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public static class FileUploaderHandlerMiddlewareExtensions
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{
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public static IApplicationBuilder UseFileUploaderHandler(this IApplicationBuilder builder)
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{
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return builder.UseMiddleware<FileUploaderHandlerMiddleware>();
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}
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}
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} |