123 lines
4.9 KiB
C#
123 lines
4.9 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Web.Studio.UserControls.CustomNavigation;
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public class LogoUploader
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{
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public LogoUploader(RequestDelegate next)
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{
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}
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public async Task Invoke
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(HttpContext context,
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PermissionContext permissionContext,
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SetupInfo setupInfo,
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UserPhotoManager userPhotoManager)
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{
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var result = new FileUploadResult();
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try
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{
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await permissionContext.DemandPermissionsAsync(SecutiryConstants.EditPortalSettings);
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var width = Convert.ToInt32(context.Request.Form["width"]);
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var height = Convert.ToInt32(context.Request.Form["height"]);
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var size = new Size(width, height);
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if (context.Request.Form.Files.Count != 0)
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{
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const string imgContentType = @"image";
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var logo = context.Request.Form.Files[0];
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if (!logo.ContentType.StartsWith(imgContentType))
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{
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throw new Exception(Resource.ErrorFileNotImage);
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}
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var data = new byte[logo.Length];
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var reader = new BinaryReader(logo.OpenReadStream());
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reader.Read(data, 0, (int)logo.Length);
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reader.Close();
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if (logo.ContentType.Contains("image/x-icon"))
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{
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result.Success = true;
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result.Message = await userPhotoManager.SaveTempPhoto(data, setupInfo.MaxImageUploadSize, "ico");
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}
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else if (logo.ContentType.Contains("image/svg+xml"))
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{
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result.Success = true;
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result.Message = await userPhotoManager.SaveTempPhoto(data, setupInfo.MaxImageUploadSize, "svg");
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}
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else
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{
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using (var stream = new MemoryStream(data))
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using (var image = Image.Load(stream))
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{
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var actualSize = image.Size;
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if (actualSize.Height != size.Height && actualSize.Width != size.Width)
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{
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throw new ImageSizeLimitException();
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}
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}
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result.Success = true;
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result.Message = await userPhotoManager.SaveTempPhoto(data, setupInfo.MaxImageUploadSize, size.Width, size.Height);
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}
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}
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else
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{
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result.Success = false;
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result.Message = Resource.ErrorEmptyUploadFileSelected;
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}
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}
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catch (ImageWeightLimitException)
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{
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result.Success = false;
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result.Message = Resource.ErrorImageWeightLimit;
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}
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catch (ImageSizeLimitException)
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{
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result.Success = false;
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result.Message = Resource.ErrorImageSize;
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}
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catch (Exception ex)
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{
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result.Success = false;
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result.Message = ex.Message.HtmlEncode();
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}
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await context.Response.WriteAsync(System.Text.Json.JsonSerializer.Serialize(result));
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}
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}
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public static class LogoUploaderExtensions
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{
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public static IApplicationBuilder UseLogoUploader(this IApplicationBuilder builder)
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{
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return builder.UseMiddleware<LogoUploader>();
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}
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} |