Files
Umbraco-CMS/src/Umbraco.Web.Common/DependencyInjection/UmbracoBuilder.ImageSharp.cs
2021-07-09 09:26:19 +02:00

79 lines
3.4 KiB
C#

using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using SixLabors.ImageSharp.Memory;
using SixLabors.ImageSharp.Web.Caching;
using SixLabors.ImageSharp.Web.Commands;
using SixLabors.ImageSharp.Web.DependencyInjection;
using SixLabors.ImageSharp.Web.Processors;
using SixLabors.ImageSharp.Web.Providers;
using Umbraco.Cms.Core.Configuration.Models;
using Umbraco.Cms.Core.DependencyInjection;
using Umbraco.Cms.Web.Common.ImageProcessors;
namespace Umbraco.Extensions
{
public static partial class UmbracoBuilderExtensions
{
/// <summary>
/// Adds Image Sharp with Umbraco settings
/// </summary>
public static IServiceCollection AddUmbracoImageSharp(this IUmbracoBuilder builder)
{
IConfiguration configuration = builder.Config;
IServiceCollection services = builder.Services;
ImagingSettings imagingSettings = configuration.GetSection(Cms.Core.Constants.Configuration.ConfigImaging)
.Get<ImagingSettings>() ?? new ImagingSettings();
services.AddImageSharp(options =>
{
options.Configuration = SixLabors.ImageSharp.Configuration.Default;
options.BrowserMaxAge = imagingSettings.Cache.BrowserMaxAge;
options.CacheMaxAge = imagingSettings.Cache.CacheMaxAge;
options.CachedNameLength = imagingSettings.Cache.CachedNameLength;
options.OnParseCommandsAsync = context =>
{
RemoveIntParamenterIfValueGreatherThen(context.Commands, ResizeWebProcessor.Width, imagingSettings.Resize.MaxWidth);
RemoveIntParamenterIfValueGreatherThen(context.Commands, ResizeWebProcessor.Height, imagingSettings.Resize.MaxHeight);
return Task.CompletedTask;
};
options.OnBeforeSaveAsync = _ => Task.CompletedTask;
options.OnProcessedAsync = _ => Task.CompletedTask;
options.OnPrepareResponseAsync = _ => Task.CompletedTask;
})
.SetRequestParser<QueryCollectionRequestParser>()
.Configure<PhysicalFileSystemCacheOptions>(options =>
{
options.CacheFolder = imagingSettings.Cache.CacheFolder;
})
.SetCache<PhysicalFileSystemCache>()
.SetCacheHash<CacheHash>()
.ClearProcessors()
.RemoveProcessor<ResizeWebProcessor>() // The Resize processor is added by default, so remove it to ensure that the crop processor runs first
.AddProcessor<CropWebProcessor>()
.AddProcessor<ResizeWebProcessor>()
.AddProcessor<FormatWebProcessor>()
.AddProcessor<BackgroundColorWebProcessor>();
return services;
}
private static void RemoveIntParamenterIfValueGreatherThen(IDictionary<string, string> commands, string parameter, int maxValue)
{
if (commands.TryGetValue(parameter, out var command))
{
if (int.TryParse(command, out var i))
{
if (i > maxValue)
{
commands.Remove(parameter);
}
}
}
}
}
}