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Umbraco-CMS/src/Umbraco.Web/HealthCheck/Checks/Config/TrySkipIisCustomErrorsCheck.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Umbraco.Core.Services;
namespace Umbraco.Web.HealthCheck.Checks.Config
{
[HealthCheck("046A066C-4FB2-4937-B931-069964E16C66", "Try Skip IIS Custom Errors",
Description = "Starting with IIS 7.5, this must be set to true for Umbraco 404 pages to show. Otherwise, IIS will takeover and render its built-in error page.",
Group = "Configuration")]
public class TrySkipIisCustomErrorsCheck : AbstractConfigCheck
{
private readonly Version _serverVersion = HttpRuntime.IISVersion;
private readonly ILocalizedTextService _textService;
public TrySkipIisCustomErrorsCheck(HealthCheckContext healthCheckContext) : base(healthCheckContext)
{
_textService = healthCheckContext.ApplicationContext.Services.TextService;
}
public override string FilePath
{
get { return "~/Config/umbracoSettings.config"; }
}
public override string XPath
{
get { return "/settings/web.routing/@trySkipIisCustomErrors"; }
}
public override ValueComparisonType ValueComparisonType
{
get { return ValueComparisonType.ShouldEqual; }
}
public override IEnumerable<AcceptableConfiguration> Values
{
get
{
var recommendedValue = _serverVersion >= new Version("7.5.0")
? bool.TrueString.ToLower()
: bool.FalseString.ToLower();
return new List<AcceptableConfiguration> { new AcceptableConfiguration { IsRecommended = true, Value = recommendedValue } };
}
}
public override string CheckSuccessMessage
{
get
{
return _textService.Localize("healthcheck/trySkipIisCustomErrorsCheckSuccessMessage",
new[] { CurrentValue, Values.First(v => v.IsRecommended).Value, _serverVersion.ToString() });
}
}
public override string CheckErrorMessage
{
get
{
return _textService.Localize("healthcheck/trySkipIisCustomErrorsCheckErrorMessage",
new[] { CurrentValue, Values.First(v => v.IsRecommended).Value, _serverVersion.ToString() });
}
}
public override string RectifySuccessMessage
{
get
{
return _textService.Localize("healthcheck/trySkipIisCustomErrorsCheckRectifySuccessMessage",
new[] { Values.First(v => v.IsRecommended).Value, _serverVersion.ToString() });
}
}
}
}