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| 1 | +using System; |
| 2 | +using System.Linq; |
| 3 | +using System.Text; |
| 4 | +using System.Threading.Tasks; |
| 5 | +using Microsoft.AspNetCore.Mvc; |
| 6 | +using RadarrAPI.Database; |
| 7 | +using RadarrAPI.Database.Models; |
| 8 | +using TraktApiSharp; |
| 9 | + |
| 10 | +namespace RadarrAPI.Controllers |
| 11 | +{ |
| 12 | + [Route("v1/[controller]")] |
| 13 | + public class TraktController : Controller |
| 14 | + { |
| 15 | + private readonly DatabaseContext _database; |
| 16 | + |
| 17 | + private readonly TraktClient _trakt; |
| 18 | + |
| 19 | + public TraktController(DatabaseContext database, TraktClient trakt) |
| 20 | + { |
| 21 | + _database = database; |
| 22 | + _trakt = trakt; |
| 23 | + } |
| 24 | + |
| 25 | + [Route("redirect")] |
| 26 | + [HttpGet] |
| 27 | + public async Task<IActionResult> RedirectToTrakt([FromQuery(Name = "target")] string target) |
| 28 | + { |
| 29 | + var validTarget = Uri.TryCreate(target, UriKind.Absolute, out Uri uriResult) && (uriResult.Scheme == "http" || uriResult.Scheme == "https"); |
| 30 | + if (!validTarget) |
| 31 | + { |
| 32 | + return BadRequest("Invalid target specified."); |
| 33 | + } |
| 34 | + |
| 35 | + var traktEntity = new TraktEntity |
| 36 | + { |
| 37 | + State = Guid.NewGuid(), |
| 38 | + Target = target, |
| 39 | + CreatedAt = DateTime.UtcNow |
| 40 | + }; |
| 41 | + |
| 42 | + _database.Add(traktEntity); |
| 43 | + await _database.SaveChangesAsync(); |
| 44 | + |
| 45 | + return Redirect(_trakt.OAuth.CreateAuthorizationUrl(_trakt.ClientId, GetRedirectUri(), traktEntity.State.ToString())); |
| 46 | + } |
| 47 | + |
| 48 | + [Route("callback")] |
| 49 | + [HttpGet] |
| 50 | + public async Task<IActionResult> TraktCallback([FromQuery(Name = "code")] string code, [FromQuery(Name = "state")] string stateStr) |
| 51 | + { |
| 52 | + if (!Guid.TryParse(stateStr, out Guid state)) |
| 53 | + { |
| 54 | + return BadRequest("Invalid state specified."); |
| 55 | + } |
| 56 | + |
| 57 | + var traktEntity = _database.TraktEntities.FirstOrDefault(x => x.State.Equals(state)); |
| 58 | + if (traktEntity == null) |
| 59 | + { |
| 60 | + return BadRequest("Unknown state specified."); |
| 61 | + } |
| 62 | + |
| 63 | + _database.Remove(traktEntity); |
| 64 | + await _database.SaveChangesAsync(); |
| 65 | + |
| 66 | + var traktAuth = await _trakt.OAuth.GetAuthorizationAsync(code, _trakt.ClientId, _trakt.ClientSecret, GetRedirectUri()); |
| 67 | + if (!traktAuth.IsValid) |
| 68 | + { |
| 69 | + return BadRequest("Received trakt token was invalid."); |
| 70 | + } |
| 71 | + |
| 72 | + return Redirect($"{traktEntity.Target}?oauth={traktAuth.AccessToken}&refresh={traktAuth.RefreshToken}"); |
| 73 | + } |
| 74 | + |
| 75 | + private string GetRedirectUri() |
| 76 | + { |
| 77 | + var redirectUri = new StringBuilder(); |
| 78 | + redirectUri.Append(HttpContext.Request.IsHttps ? "https://" : "http://"); |
| 79 | + redirectUri.Append(HttpContext.Request.Host); |
| 80 | + redirectUri.Append("/v1/trakt/callback"); |
| 81 | + |
| 82 | + return redirectUri.ToString(); |
| 83 | + } |
| 84 | + } |
| 85 | +} |
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