2019-11-01 13:38:54 -04:00
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#pragma warning disable CS1591
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2014-10-11 16:38:13 -04:00
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using Jellyfin.Data.Enums;
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using Jellyfin.Data.Entities;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Security;
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using MediaBrowser.Model.Devices;
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using MediaBrowser.Model.Events;
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using MediaBrowser.Model.Querying;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.Session;
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2014-10-11 16:38:13 -04:00
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2016-11-03 03:14:14 -04:00
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namespace Emby.Server.Implementations.Devices
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{
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public class DeviceManager : IDeviceManager
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{
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private readonly IJsonSerializer _json;
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private readonly IUserManager _userManager;
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private readonly IServerConfigurationManager _config;
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private readonly IAuthenticationRepository _authRepo;
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private readonly Dictionary<string, ClientCapabilities> _capabilitiesCache;
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private readonly object _capabilitiesSyncLock = new object();
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public event EventHandler<GenericEventArgs<Tuple<string, DeviceOptions>>> DeviceOptionsUpdated;
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public DeviceManager(
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IAuthenticationRepository authRepo,
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IJsonSerializer json,
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IUserManager userManager,
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IServerConfigurationManager config)
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{
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_json = json;
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_userManager = userManager;
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_config = config;
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_authRepo = authRepo;
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_capabilitiesCache = new Dictionary<string, ClientCapabilities>(StringComparer.OrdinalIgnoreCase);
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}
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public void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
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{
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var path = Path.Combine(GetDevicePath(deviceId), "capabilities.json");
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Directory.CreateDirectory(Path.GetDirectoryName(path));
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lock (_capabilitiesSyncLock)
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{
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_capabilitiesCache[deviceId] = capabilities;
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_json.SerializeToFile(capabilities, path);
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}
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}
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public void UpdateDeviceOptions(string deviceId, DeviceOptions options)
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{
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_authRepo.UpdateDeviceOptions(deviceId, options);
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DeviceOptionsUpdated?.Invoke(this, new GenericEventArgs<Tuple<string, DeviceOptions>>(new Tuple<string, DeviceOptions>(deviceId, options)));
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}
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public DeviceOptions GetDeviceOptions(string deviceId)
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{
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return _authRepo.GetDeviceOptions(deviceId);
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}
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public ClientCapabilities GetCapabilities(string id)
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{
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lock (_capabilitiesSyncLock)
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{
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if (_capabilitiesCache.TryGetValue(id, out var result))
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{
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return result;
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}
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var path = Path.Combine(GetDevicePath(id), "capabilities.json");
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try
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{
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return _json.DeserializeFromFile<ClientCapabilities>(path) ?? new ClientCapabilities();
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}
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catch
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{
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}
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}
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return new ClientCapabilities();
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}
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public DeviceInfo GetDevice(string id)
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{
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return GetDevice(id, true);
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}
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private DeviceInfo GetDevice(string id, bool includeCapabilities)
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{
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var session = _authRepo.Get(new AuthenticationInfoQuery
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{
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DeviceId = id
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}).Items.FirstOrDefault();
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var device = session == null ? null : ToDeviceInfo(session);
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return device;
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}
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public QueryResult<DeviceInfo> GetDevices(DeviceQuery query)
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{
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IEnumerable<AuthenticationInfo> sessions = _authRepo.Get(new AuthenticationInfoQuery
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{
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// UserId = query.UserId
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HasUser = true
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}).Items;
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// TODO: DeviceQuery doesn't seem to be used from client. Not even Swagger.
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if (query.SupportsSync.HasValue)
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{
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var val = query.SupportsSync.Value;
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sessions = sessions.Where(i => GetCapabilities(i.DeviceId).SupportsSync == val);
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}
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if (!query.UserId.Equals(Guid.Empty))
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{
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var user = _userManager.GetUserById(query.UserId);
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sessions = sessions.Where(i => CanAccessDevice(user, i.DeviceId));
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}
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var array = sessions.Select(ToDeviceInfo).ToArray();
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return new QueryResult<DeviceInfo>(array);
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}
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private DeviceInfo ToDeviceInfo(AuthenticationInfo authInfo)
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{
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var caps = GetCapabilities(authInfo.DeviceId);
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return new DeviceInfo
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{
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AppName = authInfo.AppName,
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AppVersion = authInfo.AppVersion,
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Id = authInfo.DeviceId,
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LastUserId = authInfo.UserId,
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LastUserName = authInfo.UserName,
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Name = authInfo.DeviceName,
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DateLastActivity = authInfo.DateLastActivity,
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IconUrl = caps?.IconUrl
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};
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}
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private string GetDevicesPath()
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{
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return Path.Combine(_config.ApplicationPaths.DataPath, "devices");
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}
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private string GetDevicePath(string id)
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{
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return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N", CultureInfo.InvariantCulture));
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}
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public bool CanAccessDevice(User user, string deviceId)
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{
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if (user == null)
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{
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throw new ArgumentException("user not found");
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}
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if (string.IsNullOrEmpty(deviceId))
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{
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throw new ArgumentNullException(nameof(deviceId));
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}
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if (user.HasPermission(PermissionKind.EnableAllDevices) || user.HasPermission(PermissionKind.IsAdministrator))
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{
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return true;
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}
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if (!user.GetPreference(PreferenceKind.EnabledDevices).Contains(deviceId, StringComparer.OrdinalIgnoreCase))
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{
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var capabilities = GetCapabilities(deviceId);
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if (capabilities != null && capabilities.SupportsPersistentIdentifier)
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{
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return false;
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}
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}
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return true;
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}
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}
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}
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