jellyfin-server/MediaBrowser.Api/PinLoginService.cs

147 lines
4.0 KiB
C#
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2016-02-04 17:50:24 +00:00
using System;
using System.Collections.Concurrent;
using System.Globalization;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Connect;
using ServiceStack;
namespace MediaBrowser.Api
{
[Route("/Auth/Pin", "POST", Summary = "Creates a pin request")]
public class CreatePinRequest : IReturn<PinCreationResult>
{
public string DeviceId { get; set; }
}
[Route("/Auth/Pin", "GET", Summary = "Gets pin status")]
public class GetPinStatusRequest : IReturn<PinStatusResult>
{
public string DeviceId { get; set; }
public string Pin { get; set; }
}
[Route("/Auth/Pin/Exchange", "POST", Summary = "Exchanges a pin")]
public class ExchangePinRequest : IReturn<PinExchangeResult>
{
public string DeviceId { get; set; }
public string Pin { get; set; }
}
[Route("/Auth/Pin/Validate", "POST", Summary = "Validates a pin")]
[Authenticated]
public class ValidatePinRequest : IReturnVoid
{
public string Pin { get; set; }
}
public class PinLoginService : BaseApiService
{
private readonly ConcurrentDictionary<string, MyPinStatus> _activeRequests = new ConcurrentDictionary<string, MyPinStatus>(StringComparer.OrdinalIgnoreCase);
public object Post(CreatePinRequest request)
{
var pin = GetNewPin(5);
var key = GetKey(request.DeviceId, pin);
var value = new MyPinStatus
{
CreationTimeUtc = DateTime.UtcNow,
IsConfirmed = false,
IsExpired = false,
Pin = pin
};
_activeRequests.AddOrUpdate(key, value, (k, v) => value);
return ToOptimizedResult(new PinCreationResult
{
DeviceId = request.DeviceId,
IsConfirmed = false,
IsExpired = false,
Pin = pin
});
}
public object Get(GetPinStatusRequest request)
{
MyPinStatus status;
if (!_activeRequests.TryGetValue(GetKey(request.DeviceId, request.Pin), out status))
{
throw new ResourceNotFoundException();
}
CheckExpired(status);
if (status.IsExpired)
{
throw new ResourceNotFoundException();
}
return ToOptimizedResult(new PinStatusResult
{
Pin = status.Pin,
IsConfirmed = status.IsConfirmed,
IsExpired = status.IsExpired
});
}
public object Post(ExchangePinRequest request)
{
MyPinStatus status;
if (!_activeRequests.TryGetValue(GetKey(request.DeviceId, request.Pin), out status))
{
throw new ResourceNotFoundException();
}
CheckExpired(status);
if (status.IsExpired)
{
throw new ResourceNotFoundException();
}
return ToOptimizedResult(new PinExchangeResult
{
});
}
public void Post(ValidatePinRequest request)
{
}
private void CheckExpired(MyPinStatus status)
{
if ((DateTime.UtcNow - status.CreationTimeUtc).TotalMinutes > 10)
{
status.IsExpired = true;
}
}
private string GetNewPin(int length)
{
var pin = string.Empty;
while (pin.Length < length)
{
var digit = new Random().Next(0, 9);
pin += digit.ToString(CultureInfo.InvariantCulture);
}
return pin;
}
private string GetKey(string deviceId, string pin)
{
return deviceId + pin;
}
public class MyPinStatus : PinStatusResult
{
public DateTime CreationTimeUtc { get; set; }
}
}
}