Files
UmlautAdaptarr/UmlautAdaptarr/Validator/GlobalInstanceOptionsValidator.cs
2024-09-10 17:52:36 +02:00

78 lines
2.8 KiB
C#

using System.Net;
using FluentValidation;
using UmlautAdaptarr.Options.ArrOptions.InstanceOptions;
namespace UmlautAdaptarr.Validator;
public class GlobalInstanceOptionsValidator : AbstractValidator<GlobalInstanceOptions>
{
public GlobalInstanceOptionsValidator()
{
RuleFor(x => x.Enabled).NotNull();
When(x => x.Enabled, () =>
{
RuleFor(x => x.Host)
.NotEmpty().WithMessage("Host is required when Enabled is true.")
.Must(BeAValidUrl).WithMessage("Host/Url must start with http:// or https:// and be a valid address.")
.Must(BeReachable)
.WithMessage("Host/Url is not reachable. Please check your Host or your UmlautAdaptrr Settings");
RuleFor(x => x.ApiKey)
.NotEmpty().WithMessage("ApiKey is required when Enabled is true.");
});
}
private bool BeAValidUrl(string url)
{
return Uri.TryCreate(url, UriKind.Absolute, out var uriResult)
&& (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
}
private static bool BeReachable(string url)
{
var endTime = DateTime.Now.AddMinutes(3);
var reachable = false;
while (DateTime.Now < endTime)
{
try
{
// TODO use HttpClient here
var request = (HttpWebRequest)WebRequest.Create(url);
request.AllowAutoRedirect = false;
request.Timeout = 3000;
using var response = (HttpWebResponse)request.GetResponse();
reachable = response.StatusCode == HttpStatusCode.OK;
if (reachable)
{
break;
}
// If status is 301/302 (Found), follow the redirect manually
else if (response.StatusCode == HttpStatusCode.MovedPermanently || response.StatusCode == HttpStatusCode.Found)
{
var redirectUrl = response.Headers["Location"]; // Get the redirect URL
if (!string.IsNullOrEmpty(redirectUrl))
{
// Create a new request for the redirected URL
var redirectRequest = (HttpWebRequest)WebRequest.Create(redirectUrl);
redirectRequest.Timeout = 3000;
using var redirectResponse = (HttpWebResponse)redirectRequest.GetResponse();
reachable = redirectResponse.StatusCode == HttpStatusCode.OK;
}
}
}
catch
{
}
// Wait for 15 seconds for next try
Console.WriteLine($"The URL \"{url}\" is not reachable. Next attempt in 15 seconds...");
Thread.Sleep(15000);
}
return reachable;
}
}