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