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path: root/Jellyfin.Api/Controllers/QuickConnectController.cs
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using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;
using Jellyfin.Api.Constants;
using Jellyfin.Api.Extensions;
using Jellyfin.Api.Helpers;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Authentication;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.QuickConnect;
using MediaBrowser.Model.QuickConnect;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace Jellyfin.Api.Controllers
{
    /// <summary>
    /// Quick connect controller.
    /// </summary>
    public class QuickConnectController : BaseJellyfinApiController
    {
        private readonly IQuickConnect _quickConnect;
        private readonly IAuthorizationContext _authContext;

        /// <summary>
        /// Initializes a new instance of the <see cref="QuickConnectController"/> class.
        /// </summary>
        /// <param name="quickConnect">Instance of the <see cref="IQuickConnect"/> interface.</param>
        /// <param name="authContext">Instance of the <see cref="IAuthorizationContext"/> interface.</param>
        public QuickConnectController(IQuickConnect quickConnect, IAuthorizationContext authContext)
        {
            _quickConnect = quickConnect;
            _authContext = authContext;
        }

        /// <summary>
        /// Gets the current quick connect state.
        /// </summary>
        /// <response code="200">Quick connect state returned.</response>
        /// <returns>Whether Quick Connect is enabled on the server or not.</returns>
        [HttpGet("Enabled")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public ActionResult<bool> GetQuickConnectEnabled()
        {
            return _quickConnect.IsEnabled;
        }

        /// <summary>
        /// Initiate a new quick connect request.
        /// </summary>
        /// <response code="200">Quick connect request successfully created.</response>
        /// <response code="401">Quick connect is not active on this server.</response>
        /// <returns>A <see cref="QuickConnectResult"/> with a secret and code for future use or an error message.</returns>
        [HttpGet("Initiate")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public async Task<ActionResult<QuickConnectResult>> InitiateQuickConnect()
        {
            try
            {
                var auth = await _authContext.GetAuthorizationInfo(Request).ConfigureAwait(false);
                return _quickConnect.TryConnect(auth);
            }
            catch (AuthenticationException)
            {
                return Unauthorized("Quick connect is disabled");
            }
        }

        /// <summary>
        /// Attempts to retrieve authentication information.
        /// </summary>
        /// <param name="secret">Secret previously returned from the Initiate endpoint.</param>
        /// <response code="200">Quick connect result returned.</response>
        /// <response code="404">Unknown quick connect secret.</response>
        /// <returns>An updated <see cref="QuickConnectResult"/>.</returns>
        [HttpGet("Connect")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public ActionResult<QuickConnectResult> GetQuickConnectState([FromQuery, Required] string secret)
        {
            try
            {
                return _quickConnect.CheckRequestStatus(secret);
            }
            catch (ResourceNotFoundException)
            {
                return NotFound("Unknown secret");
            }
            catch (AuthenticationException)
            {
                return Unauthorized("Quick connect is disabled");
            }
        }

        /// <summary>
        /// Authorizes a pending quick connect request.
        /// </summary>
        /// <param name="code">Quick connect code to authorize.</param>
        /// <response code="200">Quick connect result authorized successfully.</response>
        /// <response code="403">Unknown user id.</response>
        /// <returns>Boolean indicating if the authorization was successful.</returns>
        [HttpPost("Authorize")]
        [Authorize(Policy = Policies.DefaultAuthorization)]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status403Forbidden)]
        public async Task<ActionResult<bool>> AuthorizeQuickConnect([FromQuery, Required] string code)
        {
            var userId = User.GetUserId();
            if (userId.Equals(default))
            {
                return StatusCode(StatusCodes.Status403Forbidden, "Unknown user id");
            }

            try
            {
                return await _quickConnect.AuthorizeRequest(userId, code).ConfigureAwait(false);
            }
            catch (AuthenticationException)
            {
                return Unauthorized("Quick connect is disabled");
            }
        }
    }
}