2021-08-31 09:40:28 +00:00
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2021
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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using System;
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using System.IO;
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using ASC.Common;
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using ASC.Core;
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using Microsoft.AspNetCore.Http;
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namespace ASC.Web.Studio.Core.Backup
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{
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[Scope]
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public class BackupFileUploadHandler
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{
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private const long MaxBackupFileSize = 1024L * 1024L * 1024L;
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private const string BackupTempFolder = "backup";
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private const string BackupFileName = "backup.tmp";
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private PermissionContext PermissionContext { get; }
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private TempPath TempPath { get; }
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private TenantManager TenantManager { get; }
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public BackupFileUploadHandler(
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PermissionContext permissionContext,
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TempPath tempPath,
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TenantManager tenantManager)
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{
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PermissionContext = permissionContext;
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TempPath = tempPath;
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TenantManager = tenantManager;
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}
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public string ProcessUpload(IFormFile file)
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{
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if (file == null)
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{
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return "No files.";
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}
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if (!PermissionContext.CheckPermissions(SecutiryConstants.EditPortalSettings))
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{
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return "Access denied.";
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}
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if (file.Length <= 0 || file.Length > MaxBackupFileSize)
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{
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return $"File size must be greater than 0 and less than {MaxBackupFileSize} bytes";
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}
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try
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{
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var filePath = GetFilePath();
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if (File.Exists(filePath))
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{
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File.Delete(filePath);
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}
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using (var fileStream = File.Create(filePath))
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{
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file.CopyTo(fileStream);
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}
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return string.Empty;
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}
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catch (Exception error)
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{
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return error.Message;
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}
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}
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internal string GetFilePath()
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{
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var folder = Path.Combine(TempPath.GetTempPath(), BackupTempFolder, TenantManager.GetCurrentTenant().TenantId.ToString());
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if (!Directory.Exists(folder))
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{
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Directory.CreateDirectory(folder);
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}
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return Path.Combine(folder, BackupFileName);
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}
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}
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2021-05-24 17:41:31 +00:00
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}
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