mirror of
https://github.com/jellyfin/jellyfin.git
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202 lines
5.9 KiB
C#
202 lines
5.9 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Globalization;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Connect;
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using ServiceStack;
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namespace MediaBrowser.Api
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{
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[Route("/Auth/Pin", "POST", Summary = "Creates a pin request")]
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public class CreatePinRequest : IReturn<PinCreationResult>
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{
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[ApiMember(Name = "DeviceId", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
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public string DeviceId { get; set; }
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}
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[Route("/Auth/Pin", "GET", Summary = "Gets pin status")]
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public class GetPinStatusRequest : IReturn<PinStatusResult>
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{
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[ApiMember(Name = "DeviceId", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
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public string DeviceId { get; set; }
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[ApiMember(Name = "Pin", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
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public string Pin { get; set; }
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}
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[Route("/Auth/Pin/Exchange", "POST", Summary = "Exchanges a pin")]
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public class ExchangePinRequest : IReturn<PinExchangeResult>
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{
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[ApiMember(Name = "DeviceId", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
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public string DeviceId { get; set; }
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[ApiMember(Name = "Pin", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
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public string Pin { get; set; }
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}
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[Route("/Auth/Pin/Validate", "POST", Summary = "Validates a pin")]
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[Authenticated]
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public class ValidatePinRequest : IReturnVoid
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{
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[ApiMember(Name = "Pin", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
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public string Pin { get; set; }
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}
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public class PinLoginService : BaseApiService
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{
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private readonly ConcurrentDictionary<string, MyPinStatus> _activeRequests = new ConcurrentDictionary<string, MyPinStatus>(StringComparer.OrdinalIgnoreCase);
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public object Post(CreatePinRequest request)
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{
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var pin = GetNewPin();
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var value = new MyPinStatus
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{
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CreationTimeUtc = DateTime.UtcNow,
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IsConfirmed = false,
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IsExpired = false,
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Pin = pin,
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DeviceId = request.DeviceId
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};
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_activeRequests.AddOrUpdate(pin, value, (k, v) => value);
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return ToOptimizedResult(new PinCreationResult
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{
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DeviceId = request.DeviceId,
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IsConfirmed = false,
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IsExpired = false,
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Pin = pin
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});
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}
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public object Get(GetPinStatusRequest request)
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{
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MyPinStatus status;
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if (!_activeRequests.TryGetValue(request.Pin, out status))
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{
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throw new ResourceNotFoundException();
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}
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EnsureValid(request.DeviceId, status);
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return ToOptimizedResult(new PinStatusResult
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{
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Pin = status.Pin,
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IsConfirmed = status.IsConfirmed,
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IsExpired = status.IsExpired
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});
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}
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public object Post(ExchangePinRequest request)
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{
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MyPinStatus status;
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if (!_activeRequests.TryGetValue(request.Pin, out status))
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{
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throw new ResourceNotFoundException();
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}
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EnsureValid(request.DeviceId, status);
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if (!status.IsConfirmed)
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{
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throw new ResourceNotFoundException();
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}
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return ToOptimizedResult(new PinExchangeResult
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{
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// TODO: Add access token
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UserId = status.UserId
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});
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}
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public void Post(ValidatePinRequest request)
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{
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MyPinStatus status;
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if (!_activeRequests.TryGetValue(request.Pin, out status))
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{
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throw new ResourceNotFoundException();
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}
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EnsureValid(status);
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status.IsConfirmed = true;
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status.UserId = AuthorizationContext.GetAuthorizationInfo(Request).UserId;
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}
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private void EnsureValid(string requestedDeviceId, MyPinStatus status)
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{
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if (!string.Equals(requestedDeviceId, status.DeviceId, StringComparison.OrdinalIgnoreCase))
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{
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throw new ResourceNotFoundException();
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}
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EnsureValid(status);
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}
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private void EnsureValid(MyPinStatus status)
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{
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if ((DateTime.UtcNow - status.CreationTimeUtc).TotalMinutes > 10)
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{
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status.IsExpired = true;
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}
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if (status.IsExpired)
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{
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throw new ResourceNotFoundException();
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}
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}
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private string GetNewPin()
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{
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var pin = GetNewPinInternal();
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while (IsPinActive(pin))
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{
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pin = GetNewPinInternal();
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}
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return pin;
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}
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private string GetNewPinInternal()
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{
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var length = 5;
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var pin = string.Empty;
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while (pin.Length < length)
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{
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var digit = new Random().Next(0, 9);
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pin += digit.ToString(CultureInfo.InvariantCulture);
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}
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return pin;
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}
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private bool IsPinActive(string pin)
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{
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MyPinStatus status;
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if (!_activeRequests.TryGetValue(pin, out status))
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{
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return true;
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}
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if (status.IsExpired)
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{
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return true;
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}
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return false;
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}
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public class MyPinStatus : PinStatusResult
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{
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public DateTime CreationTimeUtc { get; set; }
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public string DeviceId { get; set; }
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public string UserId { get; set; }
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}
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}
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}
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