jellyfin-server/MediaBrowser.Server.Implementations/Session/SessionManager.cs

1520 lines
55 KiB
C#
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using MediaBrowser.Common.Events;
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Library;
using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Session;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Session
{
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/// <summary>
/// Class SessionManager
/// </summary>
public class SessionManager : ISessionManager
{
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/// <summary>
/// The _user data repository
/// </summary>
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private readonly IUserDataManager _userDataRepository;
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/// <summary>
/// The _user repository
/// </summary>
private readonly IUserRepository _userRepository;
/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
private readonly ILibraryManager _libraryManager;
private readonly IUserManager _userManager;
private readonly IMusicManager _musicManager;
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private readonly IDtoService _dtoService;
private readonly IImageProcessor _imageProcessor;
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private readonly IItemRepository _itemRepo;
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private readonly IHttpClient _httpClient;
private readonly IJsonSerializer _jsonSerializer;
private readonly IServerApplicationHost _appHost;
/// <summary>
/// Gets or sets the configuration manager.
/// </summary>
/// <value>The configuration manager.</value>
private readonly IServerConfigurationManager _configurationManager;
/// <summary>
/// The _active connections
/// </summary>
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private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections =
new ConcurrentDictionary<string, SessionInfo>(StringComparer.OrdinalIgnoreCase);
/// <summary>
/// Occurs when [playback start].
/// </summary>
public event EventHandler<PlaybackProgressEventArgs> PlaybackStart;
/// <summary>
/// Occurs when [playback progress].
/// </summary>
public event EventHandler<PlaybackProgressEventArgs> PlaybackProgress;
/// <summary>
/// Occurs when [playback stopped].
/// </summary>
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public event EventHandler<PlaybackStopEventArgs> PlaybackStopped;
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public event EventHandler<SessionEventArgs> SessionStarted;
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public event EventHandler<SessionEventArgs> CapabilitiesChanged;
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public event EventHandler<SessionEventArgs> SessionEnded;
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public event EventHandler<SessionEventArgs> SessionActivity;
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private IEnumerable<ISessionControllerFactory> _sessionFactories = new List<ISessionControllerFactory>();
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private readonly SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
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/// <summary>
/// Initializes a new instance of the <see cref="SessionManager" /> class.
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/// </summary>
/// <param name="userDataRepository">The user data repository.</param>
/// <param name="configurationManager">The configuration manager.</param>
/// <param name="logger">The logger.</param>
/// <param name="userRepository">The user repository.</param>
/// <param name="libraryManager">The library manager.</param>
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public SessionManager(IUserDataManager userDataRepository, IServerConfigurationManager configurationManager, ILogger logger, IUserRepository userRepository, ILibraryManager libraryManager, IUserManager userManager, IMusicManager musicManager, IDtoService dtoService, IImageProcessor imageProcessor, IItemRepository itemRepo, IJsonSerializer jsonSerializer, IServerApplicationHost appHost, IHttpClient httpClient)
{
_userDataRepository = userDataRepository;
_configurationManager = configurationManager;
_logger = logger;
_userRepository = userRepository;
_libraryManager = libraryManager;
_userManager = userManager;
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_musicManager = musicManager;
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_dtoService = dtoService;
_imageProcessor = imageProcessor;
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_itemRepo = itemRepo;
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_jsonSerializer = jsonSerializer;
_appHost = appHost;
_httpClient = httpClient;
}
/// <summary>
/// Adds the parts.
/// </summary>
/// <param name="sessionFactories">The session factories.</param>
public void AddParts(IEnumerable<ISessionControllerFactory> sessionFactories)
{
_sessionFactories = sessionFactories.ToList();
}
/// <summary>
/// Gets all connections.
/// </summary>
/// <value>All connections.</value>
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public IEnumerable<SessionInfo> Sessions
{
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get { return _activeConnections.Values.OrderByDescending(c => c.LastActivityDate).ToList(); }
}
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private void OnSessionStarted(SessionInfo info)
{
EventHelper.QueueEventIfNotNull(SessionStarted, this, new SessionEventArgs
{
SessionInfo = info
}, _logger);
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if (!string.IsNullOrWhiteSpace(info.DeviceId))
{
var capabilities = GetSavedCapabilities(info.DeviceId);
if (capabilities != null)
{
ReportCapabilities(info, capabilities, false);
}
}
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}
private async void OnSessionEnded(SessionInfo info)
{
try
{
await SendSessionEndedNotification(info, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendSessionEndedNotification", ex);
}
EventHelper.QueueEventIfNotNull(SessionEnded, this, new SessionEventArgs
{
SessionInfo = info
}, _logger);
var disposable = info.SessionController as IDisposable;
if (disposable != null)
{
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_logger.Debug("Disposing session controller {0}", disposable.GetType().Name);
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try
{
disposable.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing session controller", ex);
}
}
}
/// <summary>
/// Logs the user activity.
/// </summary>
/// <param name="clientType">Type of the client.</param>
/// <param name="appVersion">The app version.</param>
/// <param name="deviceId">The device id.</param>
/// <param name="deviceName">Name of the device.</param>
/// <param name="remoteEndPoint">The remote end point.</param>
/// <param name="user">The user.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">user</exception>
/// <exception cref="System.UnauthorizedAccessException"></exception>
public async Task<SessionInfo> LogSessionActivity(string clientType, string appVersion, string deviceId, string deviceName, string remoteEndPoint, User user)
{
if (string.IsNullOrEmpty(clientType))
{
throw new ArgumentNullException("clientType");
}
if (string.IsNullOrEmpty(appVersion))
{
throw new ArgumentNullException("appVersion");
}
if (string.IsNullOrEmpty(deviceId))
{
throw new ArgumentNullException("deviceId");
}
if (string.IsNullOrEmpty(deviceName))
{
throw new ArgumentNullException("deviceName");
}
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if (user != null && user.Configuration.IsDisabled)
{
throw new UnauthorizedAccessException(string.Format("The {0} account is currently disabled. Please consult with your administrator.", user.Name));
}
var activityDate = DateTime.UtcNow;
var userId = user == null ? (Guid?)null : user.Id;
var username = user == null ? null : user.Name;
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var session = await GetSessionInfo(clientType, appVersion, deviceId, deviceName, remoteEndPoint, userId, username).ConfigureAwait(false);
session.LastActivityDate = activityDate;
if (user == null)
{
return session;
}
var lastActivityDate = user.LastActivityDate;
user.LastActivityDate = activityDate;
// Don't log in the db anymore frequently than 10 seconds
if (lastActivityDate.HasValue && (activityDate - lastActivityDate.Value).TotalSeconds < 10)
{
return session;
}
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// Save this directly. No need to fire off all the events for this.
await _userRepository.SaveUser(user, CancellationToken.None).ConfigureAwait(false);
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EventHelper.FireEventIfNotNull(SessionActivity, this, new SessionEventArgs
{
SessionInfo = session
}, _logger);
return session;
}
public async void ReportSessionEnded(string sessionId)
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{
await _sessionLock.WaitAsync(CancellationToken.None).ConfigureAwait(false);
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try
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{
var session = GetSession(sessionId, false);
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if (session != null)
{
var key = GetSessionKey(session.Client, session.ApplicationVersion, session.DeviceId);
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SessionInfo removed;
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if (_activeConnections.TryRemove(key, out removed))
{
OnSessionEnded(removed);
}
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}
}
finally
{
_sessionLock.Release();
}
}
/// <summary>
/// Updates the now playing item id.
/// </summary>
/// <param name="session">The session.</param>
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/// <param name="info">The information.</param>
/// <param name="libraryItem">The library item.</param>
private void UpdateNowPlayingItem(SessionInfo session, PlaybackProgressInfo info, BaseItem libraryItem)
{
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var runtimeTicks = libraryItem == null ? null : libraryItem.RunTimeTicks;
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if (string.IsNullOrWhiteSpace(info.MediaSourceId))
{
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info.MediaSourceId = info.ItemId;
}
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if (!string.Equals(info.ItemId, info.MediaSourceId) &&
!string.IsNullOrWhiteSpace(info.MediaSourceId))
{
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runtimeTicks = _libraryManager.GetItemById(new Guid(info.MediaSourceId)).RunTimeTicks;
}
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if (!string.IsNullOrWhiteSpace(info.ItemId) && libraryItem != null)
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{
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var current = session.NowPlayingItem;
if (current == null || !string.Equals(current.Id, info.ItemId, StringComparison.OrdinalIgnoreCase))
{
info.Item = GetItemInfo(libraryItem, libraryItem, info.MediaSourceId);
}
else
{
info.Item = current;
}
info.Item.RunTimeTicks = runtimeTicks;
}
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session.NowPlayingItem = info.Item;
session.LastActivityDate = DateTime.UtcNow;
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session.PlayState.IsPaused = info.IsPaused;
session.PlayState.PositionTicks = info.PositionTicks;
session.PlayState.MediaSourceId = info.MediaSourceId;
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session.PlayState.CanSeek = info.CanSeek;
session.PlayState.IsMuted = info.IsMuted;
session.PlayState.VolumeLevel = info.VolumeLevel;
session.PlayState.AudioStreamIndex = info.AudioStreamIndex;
session.PlayState.SubtitleStreamIndex = info.SubtitleStreamIndex;
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session.PlayState.PlayMethod = info.PlayMethod;
}
/// <summary>
/// Removes the now playing item id.
/// </summary>
/// <param name="session">The session.</param>
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/// <exception cref="System.ArgumentNullException">item</exception>
private void RemoveNowPlayingItem(SessionInfo session)
{
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session.NowPlayingItem = null;
session.PlayState = new PlayerStateInfo();
if (!string.IsNullOrEmpty(session.DeviceId))
{
ClearTranscodingInfo(session.DeviceId);
}
}
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private string GetSessionKey(string clientType, string appVersion, string deviceId)
{
return clientType + deviceId + appVersion;
}
/// <summary>
/// Gets the connection.
/// </summary>
/// <param name="clientType">Type of the client.</param>
/// <param name="appVersion">The app version.</param>
/// <param name="deviceId">The device id.</param>
/// <param name="deviceName">Name of the device.</param>
/// <param name="remoteEndPoint">The remote end point.</param>
/// <param name="userId">The user identifier.</param>
/// <param name="username">The username.</param>
/// <returns>SessionInfo.</returns>
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private async Task<SessionInfo> GetSessionInfo(string clientType, string appVersion, string deviceId, string deviceName, string remoteEndPoint, Guid? userId, string username)
{
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var key = GetSessionKey(clientType, appVersion, deviceId);
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await _sessionLock.WaitAsync(CancellationToken.None).ConfigureAwait(false);
try
{
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var connection = _activeConnections.GetOrAdd(key, keyName =>
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{
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var sessionInfo = new SessionInfo
{
Client = clientType,
DeviceId = deviceId,
ApplicationVersion = appVersion,
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Id = Guid.NewGuid().ToString("N")
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};
OnSessionStarted(sessionInfo);
return sessionInfo;
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});
connection.DeviceName = deviceName;
connection.UserId = userId;
connection.UserName = username;
connection.RemoteEndPoint = remoteEndPoint;
if (!userId.HasValue)
{
connection.AdditionalUsers.Clear();
}
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if (connection.SessionController == null)
{
connection.SessionController = _sessionFactories
.Select(i => i.GetSessionController(connection))
.FirstOrDefault(i => i != null);
}
return connection;
}
finally
{
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_sessionLock.Release();
}
}
private List<User> GetUsers(SessionInfo session)
{
var users = new List<User>();
if (session.UserId.HasValue)
{
var user = _userManager.GetUserById(session.UserId.Value);
if (user == null)
{
throw new InvalidOperationException("User not found");
}
users.Add(user);
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var additionalUsers = session.AdditionalUsers
.Select(i => _userManager.GetUserById(new Guid(i.UserId)))
.Where(i => i != null);
users.AddRange(additionalUsers);
}
return users;
}
/// <summary>
/// Used to report that playback has started for an item
/// </summary>
/// <param name="info">The info.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">info</exception>
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public async Task OnPlaybackStart(PlaybackStartInfo info)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
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var session = GetSession(info.SessionId);
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var libraryItem = string.IsNullOrWhiteSpace(info.ItemId)
? null
: _libraryManager.GetItemById(new Guid(info.ItemId));
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UpdateNowPlayingItem(session, info, libraryItem);
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if (!string.IsNullOrEmpty(session.DeviceId) && info.PlayMethod != PlayMethod.Transcode)
{
ClearTranscodingInfo(session.DeviceId);
}
session.QueueableMediaTypes = info.QueueableMediaTypes;
var users = GetUsers(session);
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if (libraryItem != null)
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{
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var key = libraryItem.GetUserDataKey();
foreach (var user in users)
{
await OnPlaybackStart(user.Id, key, libraryItem).ConfigureAwait(false);
}
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}
// Nothing to save here
// Fire events to inform plugins
EventHelper.QueueEventIfNotNull(PlaybackStart, this, new PlaybackProgressEventArgs
{
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Item = libraryItem,
Users = users,
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MediaSourceId = info.MediaSourceId,
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MediaInfo = info.Item,
DeviceName = session.DeviceName,
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ClientName = session.Client,
DeviceId = session.DeviceId
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}, _logger);
await SendPlaybackStartNotification(session, CancellationToken.None).ConfigureAwait(false);
}
/// <summary>
/// Called when [playback start].
/// </summary>
/// <param name="userId">The user identifier.</param>
/// <param name="userDataKey">The user data key.</param>
/// <param name="item">The item.</param>
/// <returns>Task.</returns>
private async Task OnPlaybackStart(Guid userId, string userDataKey, IHasUserData item)
{
var data = _userDataRepository.GetUserData(userId, userDataKey);
data.PlayCount++;
data.LastPlayedDate = DateTime.UtcNow;
if (!(item is Video))
{
data.Played = true;
}
await _userDataRepository.SaveUserData(userId, item, data, UserDataSaveReason.PlaybackStart, CancellationToken.None).ConfigureAwait(false);
}
/// <summary>
/// Used to report playback progress for an item
/// </summary>
/// <param name="info">The info.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.ArgumentOutOfRangeException">positionTicks</exception>
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public async Task OnPlaybackProgress(PlaybackProgressInfo info)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
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var session = GetSession(info.SessionId);
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var libraryItem = string.IsNullOrWhiteSpace(info.ItemId)
? null
: _libraryManager.GetItemById(new Guid(info.ItemId));
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UpdateNowPlayingItem(session, info, libraryItem);
var users = GetUsers(session);
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if (libraryItem != null)
{
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var key = libraryItem.GetUserDataKey();
foreach (var user in users)
{
await OnPlaybackProgress(user.Id, key, libraryItem, info.PositionTicks).ConfigureAwait(false);
}
}
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EventHelper.FireEventIfNotNull(PlaybackProgress, this, new PlaybackProgressEventArgs
{
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Item = libraryItem,
Users = users,
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PlaybackPositionTicks = session.PlayState.PositionTicks,
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MediaSourceId = session.PlayState.MediaSourceId,
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MediaInfo = info.Item,
DeviceName = session.DeviceName,
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ClientName = session.Client,
DeviceId = session.DeviceId
}, _logger);
}
private async Task OnPlaybackProgress(Guid userId, string userDataKey, BaseItem item, long? positionTicks)
{
var data = _userDataRepository.GetUserData(userId, userDataKey);
if (positionTicks.HasValue)
{
UpdatePlayState(item, data, positionTicks.Value);
await _userDataRepository.SaveUserData(userId, item, data, UserDataSaveReason.PlaybackProgress, CancellationToken.None).ConfigureAwait(false);
}
}
/// <summary>
/// Used to report that playback has ended for an item
/// </summary>
/// <param name="info">The info.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">info</exception>
/// <exception cref="System.ArgumentOutOfRangeException">positionTicks</exception>
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public async Task OnPlaybackStopped(PlaybackStopInfo info)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
if (info.PositionTicks.HasValue && info.PositionTicks.Value < 0)
{
throw new ArgumentOutOfRangeException("positionTicks");
}
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var session = GetSession(info.SessionId);
var libraryItem = string.IsNullOrWhiteSpace(info.ItemId)
? null
: _libraryManager.GetItemById(new Guid(info.ItemId));
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// Normalize
if (string.IsNullOrWhiteSpace(info.MediaSourceId))
{
info.MediaSourceId = info.ItemId;
}
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RemoveNowPlayingItem(session);
var users = GetUsers(session);
var playedToCompletion = false;
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if (libraryItem != null)
{
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var key = libraryItem.GetUserDataKey();
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foreach (var user in users)
{
playedToCompletion = await OnPlaybackStopped(user.Id, key, libraryItem, info.PositionTicks).ConfigureAwait(false);
}
}
EventHelper.QueueEventIfNotNull(PlaybackStopped, this, new PlaybackStopEventArgs
{
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Item = libraryItem,
Users = users,
PlaybackPositionTicks = info.PositionTicks,
PlayedToCompletion = playedToCompletion,
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MediaSourceId = info.MediaSourceId,
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MediaInfo = info.Item,
DeviceName = session.DeviceName,
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ClientName = session.Client,
DeviceId = session.DeviceId
}, _logger);
await SendPlaybackStoppedNotification(session, CancellationToken.None).ConfigureAwait(false);
}
private async Task<bool> OnPlaybackStopped(Guid userId, string userDataKey, BaseItem item, long? positionTicks)
{
var data = _userDataRepository.GetUserData(userId, userDataKey);
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bool playedToCompletion;
if (positionTicks.HasValue)
{
playedToCompletion = UpdatePlayState(item, data, positionTicks.Value);
}
else
{
// If the client isn't able to report this, then we'll just have to make an assumption
data.PlayCount++;
data.Played = true;
data.PlaybackPositionTicks = 0;
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playedToCompletion = true;
}
await _userDataRepository.SaveUserData(userId, item, data, UserDataSaveReason.PlaybackFinished, CancellationToken.None).ConfigureAwait(false);
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return playedToCompletion;
}
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/// <summary>
/// Updates playstate position for an item but does not save
/// </summary>
/// <param name="item">The item</param>
/// <param name="data">User data for the item</param>
/// <param name="positionTicks">The current playback position</param>
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private bool UpdatePlayState(BaseItem item, UserItemData data, long positionTicks)
{
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var playedToCompletion = false;
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var hasRuntime = item.RunTimeTicks.HasValue && item.RunTimeTicks > 0;
// If a position has been reported, and if we know the duration
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if (positionTicks > 0 && hasRuntime)
{
var pctIn = Decimal.Divide(positionTicks, item.RunTimeTicks.Value) * 100;
// Don't track in very beginning
if (pctIn < _configurationManager.Configuration.MinResumePct)
{
positionTicks = 0;
}
// If we're at the end, assume completed
else if (pctIn > _configurationManager.Configuration.MaxResumePct || positionTicks >= item.RunTimeTicks.Value)
{
positionTicks = 0;
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data.Played = playedToCompletion = true;
}
else
{
// Enforce MinResumeDuration
var durationSeconds = TimeSpan.FromTicks(item.RunTimeTicks.Value).TotalSeconds;
if (durationSeconds < _configurationManager.Configuration.MinResumeDurationSeconds)
{
positionTicks = 0;
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data.Played = playedToCompletion = true;
}
}
}
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else if (!hasRuntime)
{
// If we don't know the runtime we'll just have to assume it was fully played
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data.Played = playedToCompletion = true;
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positionTicks = 0;
}
if (item is Audio)
{
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positionTicks = 0;
}
data.PlaybackPositionTicks = positionTicks;
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return playedToCompletion;
}
/// <summary>
/// Gets the session.
/// </summary>
/// <param name="sessionId">The session identifier.</param>
/// <param name="throwOnMissing">if set to <c>true</c> [throw on missing].</param>
/// <returns>SessionInfo.</returns>
/// <exception cref="ResourceNotFoundException"></exception>
private SessionInfo GetSession(string sessionId, bool throwOnMissing = true)
{
var session = Sessions.FirstOrDefault(i => string.Equals(i.Id, sessionId));
if (session == null && throwOnMissing)
{
throw new ResourceNotFoundException(string.Format("Session {0} not found.", sessionId));
}
return session;
}
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public Task SendMessageCommand(string controllingSessionId, string sessionId, MessageCommand command, CancellationToken cancellationToken)
{
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var generalCommand = new GeneralCommand
{
Name = GeneralCommandType.DisplayMessage.ToString()
};
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generalCommand.Arguments["Header"] = command.Header;
generalCommand.Arguments["Text"] = command.Text;
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if (command.TimeoutMs.HasValue)
{
generalCommand.Arguments["TimeoutMs"] = command.TimeoutMs.Value.ToString(CultureInfo.InvariantCulture);
}
return SendGeneralCommand(controllingSessionId, sessionId, generalCommand, cancellationToken);
}
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public Task SendGeneralCommand(string controllingSessionId, string sessionId, GeneralCommand command, CancellationToken cancellationToken)
{
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var session = GetSession(sessionId);
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var controllingSession = GetSession(controllingSessionId);
AssertCanControl(session, controllingSession);
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return session.SessionController.SendGeneralCommand(command, cancellationToken);
}
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public Task SendPlayCommand(string controllingSessionId, string sessionId, PlayRequest command, CancellationToken cancellationToken)
{
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var session = GetSession(sessionId);
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var user = session.UserId.HasValue ? _userManager.GetUserById(session.UserId.Value) : null;
List<BaseItem> items;
if (command.PlayCommand == PlayCommand.PlayInstantMix)
{
items = command.ItemIds.SelectMany(i => TranslateItemForInstantMix(i, user))
.Where(i => i.LocationType != LocationType.Virtual)
.ToList();
command.PlayCommand = PlayCommand.PlayNow;
}
else
{
items = command.ItemIds.SelectMany(i => TranslateItemForPlayback(i, user))
.Where(i => i.LocationType != LocationType.Virtual)
.ToList();
}
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if (command.PlayCommand == PlayCommand.PlayShuffle)
{
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items = items.OrderBy(i => Guid.NewGuid()).ToList();
command.PlayCommand = PlayCommand.PlayNow;
}
command.ItemIds = items.Select(i => i.Id.ToString("N")).ToArray();
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if (user != null)
{
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if (items.Any(i => i.GetPlayAccess(user) != PlayAccess.Full))
{
throw new ArgumentException(string.Format("{0} is not allowed to play media.", user.Name));
}
}
if (command.PlayCommand != PlayCommand.PlayNow)
{
if (items.Any(i => !session.QueueableMediaTypes.Contains(i.MediaType, StringComparer.OrdinalIgnoreCase)))
{
throw new ArgumentException(string.Format("{0} is unable to queue the requested media type.", session.DeviceName ?? session.Id.ToString()));
}
}
else
{
if (items.Any(i => !session.PlayableMediaTypes.Contains(i.MediaType, StringComparer.OrdinalIgnoreCase)))
{
throw new ArgumentException(string.Format("{0} is unable to play the requested media type.", session.DeviceName ?? session.Id.ToString()));
}
}
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var controllingSession = GetSession(controllingSessionId);
AssertCanControl(session, controllingSession);
if (controllingSession.UserId.HasValue)
{
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command.ControllingUserId = controllingSession.UserId.Value.ToString("N");
}
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return session.SessionController.SendPlayCommand(command, cancellationToken);
}
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private IEnumerable<BaseItem> TranslateItemForPlayback(string id, User user)
{
var item = _libraryManager.GetItemById(new Guid(id));
if (item.IsFolder)
{
var folder = (Folder)item;
var items = user == null ? folder.RecursiveChildren :
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folder.GetRecursiveChildren(user);
items = items.Where(i => !i.IsFolder);
items = items.OrderBy(i => i.SortName);
return items;
}
return new[] { item };
}
private IEnumerable<BaseItem> TranslateItemForInstantMix(string id, User user)
{
var item = _libraryManager.GetItemById(new Guid(id));
var audio = item as Audio;
if (audio != null)
{
return _musicManager.GetInstantMixFromSong(audio, user);
}
var artist = item as MusicArtist;
if (artist != null)
{
return _musicManager.GetInstantMixFromArtist(artist.Name, user);
}
var album = item as MusicAlbum;
if (album != null)
{
return _musicManager.GetInstantMixFromAlbum(album, user);
}
var genre = item as MusicGenre;
if (genre != null)
{
return _musicManager.GetInstantMixFromGenres(new[] { genre.Name }, user);
}
return new BaseItem[] { };
}
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public Task SendBrowseCommand(string controllingSessionId, string sessionId, BrowseRequest command, CancellationToken cancellationToken)
{
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var generalCommand = new GeneralCommand
{
Name = GeneralCommandType.DisplayContent.ToString()
};
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generalCommand.Arguments["ItemId"] = command.ItemId;
generalCommand.Arguments["ItemName"] = command.ItemName;
generalCommand.Arguments["ItemType"] = command.ItemType;
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return SendGeneralCommand(controllingSessionId, sessionId, generalCommand, cancellationToken);
}
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public Task SendPlaystateCommand(string controllingSessionId, string sessionId, PlaystateRequest command, CancellationToken cancellationToken)
{
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var session = GetSession(sessionId);
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var controllingSession = GetSession(controllingSessionId);
AssertCanControl(session, controllingSession);
if (controllingSession.UserId.HasValue)
{
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command.ControllingUserId = controllingSession.UserId.Value.ToString("N");
}
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return session.SessionController.SendPlaystateCommand(command, cancellationToken);
}
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private void AssertCanControl(SessionInfo session, SessionInfo controllingSession)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (controllingSession == null)
{
throw new ArgumentNullException("controllingSession");
}
}
/// <summary>
/// Sends the restart required message.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendRestartRequiredNotification(CancellationToken cancellationToken)
{
var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
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var info = _appHost.GetSystemInfo();
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
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await session.SessionController.SendRestartRequiredNotification(info, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendRestartRequiredNotification.", ex);
}
}, cancellationToken));
return Task.WhenAll(tasks);
}
/// <summary>
/// Sends the server shutdown notification.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendServerShutdownNotification(CancellationToken cancellationToken)
{
var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
await session.SessionController.SendServerShutdownNotification(cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendServerShutdownNotification.", ex);
}
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}, cancellationToken));
return Task.WhenAll(tasks);
}
/// <summary>
/// Sends the server restart notification.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendServerRestartNotification(CancellationToken cancellationToken)
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{
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_logger.Debug("Beginning SendServerRestartNotification");
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var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
await session.SessionController.SendServerRestartNotification(cancellationToken).ConfigureAwait(false);
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}
catch (Exception ex)
{
_logger.ErrorException("Error in SendServerRestartNotification.", ex);
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}
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}, cancellationToken));
return Task.WhenAll(tasks);
}
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public Task SendSessionEndedNotification(SessionInfo sessionInfo, CancellationToken cancellationToken)
{
var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
var dto = GetSessionInfoDto(sessionInfo);
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
await session.SessionController.SendSessionEndedNotification(dto, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendSessionEndedNotification.", ex);
}
}, cancellationToken));
return Task.WhenAll(tasks);
}
public Task SendPlaybackStartNotification(SessionInfo sessionInfo, CancellationToken cancellationToken)
{
var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
var dto = GetSessionInfoDto(sessionInfo);
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
await session.SessionController.SendPlaybackStartNotification(dto, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendPlaybackStartNotification.", ex);
}
}, cancellationToken));
return Task.WhenAll(tasks);
}
public Task SendPlaybackStoppedNotification(SessionInfo sessionInfo, CancellationToken cancellationToken)
{
var sessions = Sessions.Where(i => i.IsActive && i.SessionController != null).ToList();
var dto = GetSessionInfoDto(sessionInfo);
var tasks = sessions.Select(session => Task.Run(async () =>
{
try
{
await session.SessionController.SendPlaybackStoppedNotification(dto, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error in SendPlaybackStoppedNotification.", ex);
}
}, cancellationToken));
return Task.WhenAll(tasks);
}
/// <summary>
/// Adds the additional user.
/// </summary>
/// <param name="sessionId">The session identifier.</param>
/// <param name="userId">The user identifier.</param>
/// <exception cref="System.UnauthorizedAccessException">Cannot modify additional users without authenticating first.</exception>
/// <exception cref="System.ArgumentException">The requested user is already the primary user of the session.</exception>
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public void AddAdditionalUser(string sessionId, Guid userId)
{
var session = GetSession(sessionId);
if (!session.UserId.HasValue)
{
throw new UnauthorizedAccessException("Cannot modify additional users without authenticating first.");
}
if (session.UserId.Value == userId)
{
throw new ArgumentException("The requested user is already the primary user of the session.");
}
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if (session.AdditionalUsers.All(i => new Guid(i.UserId) != userId))
{
var user = _userManager.GetUserById(userId);
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session.AdditionalUsers.Add(new SessionUserInfo
{
UserId = userId.ToString("N"),
UserName = user.Name
});
}
}
/// <summary>
/// Removes the additional user.
/// </summary>
/// <param name="sessionId">The session identifier.</param>
/// <param name="userId">The user identifier.</param>
/// <exception cref="System.UnauthorizedAccessException">Cannot modify additional users without authenticating first.</exception>
/// <exception cref="System.ArgumentException">The requested user is already the primary user of the session.</exception>
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public void RemoveAdditionalUser(string sessionId, Guid userId)
{
var session = GetSession(sessionId);
if (!session.UserId.HasValue)
{
throw new UnauthorizedAccessException("Cannot modify additional users without authenticating first.");
}
if (session.UserId.Value == userId)
{
throw new ArgumentException("The requested user is already the primary user of the session.");
}
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var user = session.AdditionalUsers.FirstOrDefault(i => new Guid(i.UserId) == userId);
if (user != null)
{
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session.AdditionalUsers.Remove(user);
}
}
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/// <summary>
/// Authenticates the new session.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="password">The password.</param>
/// <param name="clientType">Type of the client.</param>
/// <param name="appVersion">The application version.</param>
/// <param name="deviceId">The device identifier.</param>
/// <param name="deviceName">Name of the device.</param>
/// <param name="remoteEndPoint">The remote end point.</param>
/// <returns>Task{SessionInfo}.</returns>
/// <exception cref="UnauthorizedAccessException"></exception>
public async Task<SessionInfo> AuthenticateNewSession(User user, string password, string clientType, string appVersion, string deviceId, string deviceName, string remoteEndPoint)
{
var result = await _userManager.AuthenticateUser(user, password).ConfigureAwait(false);
if (!result)
{
throw new UnauthorizedAccessException("Invalid user or password entered.");
}
return await LogSessionActivity(clientType, appVersion, deviceId, deviceName, remoteEndPoint, user).ConfigureAwait(false);
}
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/// <summary>
/// Reports the capabilities.
/// </summary>
/// <param name="sessionId">The session identifier.</param>
/// <param name="capabilities">The capabilities.</param>
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public void ReportCapabilities(string sessionId, SessionCapabilities capabilities)
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{
var session = GetSession(sessionId);
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ReportCapabilities(session, capabilities, true);
}
private async void ReportCapabilities(SessionInfo session,
SessionCapabilities capabilities,
bool saveCapabilities)
{
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session.PlayableMediaTypes = capabilities.PlayableMediaTypes;
session.SupportedCommands = capabilities.SupportedCommands;
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if (!string.IsNullOrWhiteSpace(capabilities.MessageCallbackUrl))
{
var controller = session.SessionController as HttpSessionController;
if (controller == null)
{
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session.SessionController = new HttpSessionController(_httpClient, _jsonSerializer, session, capabilities.MessageCallbackUrl, this);
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}
}
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EventHelper.FireEventIfNotNull(CapabilitiesChanged, this, new SessionEventArgs
{
SessionInfo = session
}, _logger);
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if (saveCapabilities)
{
await SaveCapabilities(session.DeviceId, capabilities).ConfigureAwait(false);
}
}
private string GetCapabilitiesFilePath(string deviceId)
{
var filename = deviceId.GetMD5().ToString("N") + ".json";
return Path.Combine(_configurationManager.ApplicationPaths.CachePath, "devices", filename);
}
private SessionCapabilities GetSavedCapabilities(string deviceId)
{
var path = GetCapabilitiesFilePath(deviceId);
try
{
return _jsonSerializer.DeserializeFromFile<SessionCapabilities>(path);
}
catch (DirectoryNotFoundException)
{
return null;
}
catch (FileNotFoundException)
{
return null;
}
catch (Exception ex)
{
_logger.ErrorException("Error getting saved capabilities", ex);
return null;
}
}
private readonly SemaphoreSlim _capabilitiesLock = new SemaphoreSlim(1, 1);
private async Task SaveCapabilities(string deviceId, SessionCapabilities capabilities)
{
var path = GetCapabilitiesFilePath(deviceId);
Directory.CreateDirectory(Path.GetDirectoryName(path));
await _capabilitiesLock.WaitAsync().ConfigureAwait(false);
try
{
_jsonSerializer.SerializeToFile(capabilities, path);
}
finally
{
_capabilitiesLock.Release();
}
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}
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public SessionInfoDto GetSessionInfoDto(SessionInfo session)
{
var dto = new SessionInfoDto
{
Client = session.Client,
DeviceId = session.DeviceId,
DeviceName = session.DeviceName,
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Id = session.Id,
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LastActivityDate = session.LastActivityDate,
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NowPlayingPositionTicks = session.PlayState.PositionTicks,
IsPaused = session.PlayState.IsPaused,
IsMuted = session.PlayState.IsMuted,
NowViewingItem = session.NowViewingItem,
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ApplicationVersion = session.ApplicationVersion,
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CanSeek = session.PlayState.CanSeek,
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QueueableMediaTypes = session.QueueableMediaTypes,
PlayableMediaTypes = session.PlayableMediaTypes,
RemoteEndPoint = session.RemoteEndPoint,
AdditionalUsers = session.AdditionalUsers,
SupportedCommands = session.SupportedCommands,
UserName = session.UserName,
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NowPlayingItem = session.NowPlayingItem,
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SupportsRemoteControl = session.SupportsMediaControl,
PlayState = session.PlayState,
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TranscodingInfo = session.NowPlayingItem == null ? null : session.TranscodingInfo
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};
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if (session.UserId.HasValue)
{
dto.UserId = session.UserId.Value.ToString("N");
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var user = _userManager.GetUserById(session.UserId.Value);
if (user != null)
{
dto.UserPrimaryImageTag = GetImageCacheTag(user, ImageType.Primary);
}
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}
return dto;
}
/// <summary>
/// Converts a BaseItem to a BaseItemInfo
/// </summary>
/// <param name="item">The item.</param>
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/// <param name="chapterOwner">The chapter owner.</param>
/// <param name="mediaSourceId">The media source identifier.</param>
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/// <returns>BaseItemInfo.</returns>
/// <exception cref="System.ArgumentNullException">item</exception>
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private BaseItemInfo GetItemInfo(BaseItem item, BaseItem chapterOwner, string mediaSourceId)
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{
if (item == null)
{
throw new ArgumentNullException("item");
}
var info = new BaseItemInfo
{
Id = GetDtoId(item),
Name = item.Name,
MediaType = item.MediaType,
Type = item.GetClientTypeName(),
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RunTimeTicks = item.RunTimeTicks,
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IndexNumber = item.IndexNumber,
ParentIndexNumber = item.ParentIndexNumber,
PremiereDate = item.PremiereDate,
ProductionYear = item.ProductionYear
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};
info.PrimaryImageTag = GetImageCacheTag(item, ImageType.Primary);
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if (info.PrimaryImageTag != null)
{
info.PrimaryImageItemId = GetDtoId(item);
}
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var episode = item as Episode;
if (episode != null)
{
info.IndexNumberEnd = episode.IndexNumberEnd;
}
var hasSeries = item as IHasSeries;
if (hasSeries != null)
{
info.SeriesName = hasSeries.SeriesName;
}
var recording = item as ILiveTvRecording;
if (recording != null && recording.RecordingInfo != null)
{
if (recording.RecordingInfo.IsSeries)
{
info.Name = recording.RecordingInfo.EpisodeTitle;
info.SeriesName = recording.RecordingInfo.Name;
if (string.IsNullOrWhiteSpace(info.Name))
{
info.Name = recording.RecordingInfo.Name;
}
}
}
var audio = item as Audio;
if (audio != null)
{
info.Album = audio.Album;
info.Artists = audio.Artists;
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if (info.PrimaryImageTag == null)
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{
var album = audio.Parents.OfType<MusicAlbum>().FirstOrDefault();
if (album != null && album.HasImage(ImageType.Primary))
{
info.PrimaryImageTag = GetImageCacheTag(album, ImageType.Primary);
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if (info.PrimaryImageTag != null)
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{
info.PrimaryImageItemId = GetDtoId(album);
}
}
}
}
var musicVideo = item as MusicVideo;
if (musicVideo != null)
{
info.Album = musicVideo.Album;
if (!string.IsNullOrWhiteSpace(musicVideo.Artist))
{
info.Artists.Add(musicVideo.Artist);
}
}
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var backropItem = item.HasImage(ImageType.Backdrop) ? item : null;
var thumbItem = item.HasImage(ImageType.Thumb) ? item : null;
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var logoItem = item.HasImage(ImageType.Logo) ? item : null;
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if (thumbItem == null)
{
if (episode != null)
{
var series = episode.Series;
if (series != null && series.HasImage(ImageType.Thumb))
{
thumbItem = series;
}
}
}
if (backropItem == null)
{
if (episode != null)
{
var series = episode.Series;
if (series != null && series.HasImage(ImageType.Backdrop))
{
backropItem = series;
}
}
}
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if (backropItem == null)
{
backropItem = item.Parents.FirstOrDefault(i => i.HasImage(ImageType.Backdrop));
}
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if (thumbItem == null)
{
thumbItem = item.Parents.FirstOrDefault(i => i.HasImage(ImageType.Thumb));
}
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if (logoItem == null)
{
logoItem = item.Parents.FirstOrDefault(i => i.HasImage(ImageType.Logo));
}
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if (thumbItem != null)
{
info.ThumbImageTag = GetImageCacheTag(thumbItem, ImageType.Thumb);
info.ThumbItemId = GetDtoId(thumbItem);
}
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if (backropItem != null)
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{
info.BackdropImageTag = GetImageCacheTag(backropItem, ImageType.Backdrop);
info.BackdropItemId = GetDtoId(backropItem);
}
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if (logoItem != null)
{
info.LogoImageTag = GetImageCacheTag(logoItem, ImageType.Logo);
info.LogoItemId = GetDtoId(logoItem);
}
2014-05-08 05:04:39 +00:00
if (chapterOwner != null)
{
info.ChapterImagesItemId = chapterOwner.Id.ToString("N");
info.Chapters = _itemRepo.GetChapters(chapterOwner.Id).Select(i => _dtoService.GetChapterInfoDto(i, chapterOwner)).ToList();
}
if (!string.IsNullOrWhiteSpace(mediaSourceId))
{
info.MediaStreams = _itemRepo.GetMediaStreams(new MediaStreamQuery
{
ItemId = new Guid(mediaSourceId)
}).ToList();
}
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return info;
}
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private string GetImageCacheTag(BaseItem item, ImageType type)
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{
try
{
return _imageProcessor.GetImageCacheTag(item, type);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting {0} image info", ex, type);
return null;
}
}
private string GetDtoId(BaseItem item)
{
return _dtoService.GetDtoId(item);
}
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public void ReportNowViewingItem(string sessionId, string itemId)
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{
var item = _libraryManager.GetItemById(new Guid(itemId));
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var info = GetItemInfo(item, null, null);
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ReportNowViewingItem(sessionId, info);
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}
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public void ReportNowViewingItem(string sessionId, BaseItemInfo item)
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{
var session = GetSession(sessionId);
session.NowViewingItem = item;
}
public void ReportTranscodingInfo(string deviceId, TranscodingInfo info)
{
var session = Sessions.FirstOrDefault(i => string.Equals(i.DeviceId, deviceId));
if (session != null)
{
session.TranscodingInfo = info;
}
}
public void ClearTranscodingInfo(string deviceId)
{
ReportTranscodingInfo(deviceId, null);
}
}
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}