Umbraco-CMS/src/Umbraco.Web.Common/AspNetCore/AspNetCoreBackOfficeInfo.cs

using Umbraco.Core;
using Umbraco.Core.Configuration;

namespace Umbraco.Web.Common.AspNetCore
{
    public class AspNetCoreBackOfficeInfo : IBackOfficeInfo
    {
        public AspNetCoreBackOfficeInfo(IGlobalSettings globalSettings)
        {
            GetAbsoluteUrl = globalSettings.UmbracoPath;
        }

        public string GetAbsoluteUrl { get; } // TODO make absolute

    }
}