jellyfin/MediaBrowser.Common.Implementations/Security/PluginSecurityManager.cs
2016-03-27 23:11:27 +02:00

329 lines
12 KiB
C#

using System.IO;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Security;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Net;
namespace MediaBrowser.Common.Implementations.Security
{
/// <summary>
/// Class PluginSecurityManager
/// </summary>
public class PluginSecurityManager : ISecurityManager
{
private const string MBValidateUrl = MbAdmin.HttpsUrl + "service/registration/validate";
private const string AppstoreRegUrl = /*MbAdmin.HttpsUrl*/ "http://mb3admin.com/admin/service/appstore/register";
/// <summary>
/// The _is MB supporter
/// </summary>
private bool? _isMbSupporter;
/// <summary>
/// The _is MB supporter initialized
/// </summary>
private bool _isMbSupporterInitialized;
/// <summary>
/// The _is MB supporter sync lock
/// </summary>
private object _isMbSupporterSyncLock = new object();
/// <summary>
/// Gets a value indicating whether this instance is MB supporter.
/// </summary>
/// <value><c>true</c> if this instance is MB supporter; otherwise, <c>false</c>.</value>
public bool IsMBSupporter
{
get
{
LazyInitializer.EnsureInitialized(ref _isMbSupporter, ref _isMbSupporterInitialized, ref _isMbSupporterSyncLock, () => GetSupporterRegistrationStatus().Result.IsRegistered);
return _isMbSupporter.Value;
}
}
private MBLicenseFile _licenseFile;
private MBLicenseFile LicenseFile
{
get { return _licenseFile ?? (_licenseFile = new MBLicenseFile(_appPaths)); }
}
private readonly IHttpClient _httpClient;
private readonly IJsonSerializer _jsonSerializer;
private readonly IApplicationHost _appHost;
private readonly ILogger _logger;
private readonly IApplicationPaths _appPaths;
private IEnumerable<IRequiresRegistration> _registeredEntities;
protected IEnumerable<IRequiresRegistration> RegisteredEntities
{
get
{
return _registeredEntities ?? (_registeredEntities = _appHost.GetExports<IRequiresRegistration>());
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PluginSecurityManager" /> class.
/// </summary>
public PluginSecurityManager(IApplicationHost appHost, IHttpClient httpClient, IJsonSerializer jsonSerializer,
IApplicationPaths appPaths, ILogManager logManager)
{
if (httpClient == null)
{
throw new ArgumentNullException("httpClient");
}
_appHost = appHost;
_httpClient = httpClient;
_jsonSerializer = jsonSerializer;
_appPaths = appPaths;
_logger = logManager.GetLogger("SecurityManager");
}
/// <summary>
/// Load all registration info for all entities that require registration
/// </summary>
/// <returns></returns>
public async Task LoadAllRegistrationInfo()
{
var tasks = new List<Task>();
ResetSupporterInfo();
tasks.AddRange(RegisteredEntities.Select(i => i.LoadRegistrationInfoAsync()));
await Task.WhenAll(tasks);
}
/// <summary>
/// Gets the registration status.
/// This overload supports existing plug-ins.
/// </summary>
/// <param name="feature">The feature.</param>
/// <param name="mb2Equivalent">The MB2 equivalent.</param>
/// <returns>Task{MBRegistrationRecord}.</returns>
public Task<MBRegistrationRecord> GetRegistrationStatus(string feature, string mb2Equivalent = null)
{
return GetRegistrationStatusInternal(feature, mb2Equivalent);
}
/// <summary>
/// Gets the registration status.
/// </summary>
/// <param name="feature">The feature.</param>
/// <param name="mb2Equivalent">The MB2 equivalent.</param>
/// <param name="version">The version of this feature</param>
/// <returns>Task{MBRegistrationRecord}.</returns>
public Task<MBRegistrationRecord> GetRegistrationStatus(string feature, string mb2Equivalent, string version)
{
return GetRegistrationStatusInternal(feature, mb2Equivalent, version);
}
private Task<MBRegistrationRecord> GetSupporterRegistrationStatus()
{
return GetRegistrationStatusInternal("MBSupporter", null, _appHost.ApplicationVersion.ToString());
}
/// <summary>
/// Gets or sets the supporter key.
/// </summary>
/// <value>The supporter key.</value>
public string SupporterKey
{
get
{
return LicenseFile.RegKey;
}
set
{
if (value != LicenseFile.RegKey)
{
LicenseFile.RegKey = value;
LicenseFile.Save();
// re-load registration info
Task.Run(() => LoadAllRegistrationInfo());
}
}
}
/// <summary>
/// Register an app store sale with our back-end. It will validate the transaction with the store
/// and then register the proper feature and then fill in the supporter key on success.
/// </summary>
/// <param name="parameters">Json parameters to send to admin server</param>
public async Task RegisterAppStoreSale(string parameters)
{
var options = new HttpRequestOptions()
{
Url = AppstoreRegUrl,
CancellationToken = CancellationToken.None
};
options.RequestHeaders.Add("X-Emby-Token", _appHost.SystemId);
options.RequestContent = parameters;
options.RequestContentType = "application/json";
try
{
using (var response = await _httpClient.Post(options).ConfigureAwait(false))
{
var reg = _jsonSerializer.DeserializeFromStream<RegRecord>(response.Content);
if (reg == null)
{
var msg = "Result from appstore registration was null.";
_logger.Error(msg);
throw new ApplicationException(msg);
}
if (!String.IsNullOrEmpty(reg.key))
{
SupporterKey = reg.key;
}
}
}
catch (ApplicationException)
{
SaveAppStoreInfo(parameters);
throw;
}
catch (HttpException e)
{
_logger.ErrorException("Error registering appstore purchase {0}", e, parameters ?? "NO PARMS SENT");
if (e.StatusCode.HasValue && e.StatusCode.Value == HttpStatusCode.PaymentRequired)
{
throw new PaymentRequiredException();
}
throw new ApplicationException("Error registering store sale");
}
catch (Exception e)
{
_logger.ErrorException("Error registering appstore purchase {0}", e, parameters ?? "NO PARMS SENT");
SaveAppStoreInfo(parameters);
//TODO - could create a re-try routine on start-up if this file is there. For now we can handle manually.
throw new ApplicationException("Error registering store sale");
}
}
private void SaveAppStoreInfo(string info)
{
// Save all transaction information to a file
try
{
File.WriteAllText(Path.Combine(_appPaths.ProgramDataPath, "apptrans-error.txt"), info);
}
catch (IOException)
{
}
}
private async Task<MBRegistrationRecord> GetRegistrationStatusInternal(string feature,
string mb2Equivalent = null,
string version = null)
{
var lastChecked = LicenseFile.LastChecked(feature);
//check the reg file first to alleviate strain on the MB admin server - must actually check in every 30 days tho
var reg = new RegRecord
{
// Cache the result for up to a week
registered = lastChecked > DateTime.UtcNow.AddDays(-7)
};
var success = reg.registered;
if (!(lastChecked > DateTime.UtcNow.AddDays(-1)))
{
var data = new Dictionary<string, string>
{
{ "feature", feature },
{ "key", SupporterKey },
{ "mac", _appHost.SystemId },
{ "systemid", _appHost.SystemId },
{ "mb2equiv", mb2Equivalent },
{ "ver", version },
{ "platform", _appHost.OperatingSystemDisplayName },
{ "isservice", _appHost.IsRunningAsService.ToString().ToLower() }
};
try
{
var options = new HttpRequestOptions
{
Url = MBValidateUrl,
// Seeing block length errors
EnableHttpCompression = false
};
options.SetPostData(data);
using (var json = (await _httpClient.Post(options).ConfigureAwait(false)).Content)
{
reg = _jsonSerializer.DeserializeFromStream<RegRecord>(json);
success = true;
}
if (reg.registered)
{
LicenseFile.AddRegCheck(feature);
}
else
{
LicenseFile.RemoveRegCheck(feature);
}
}
catch (Exception e)
{
_logger.ErrorException("Error checking registration status of {0}", e, feature);
}
}
var record = new MBRegistrationRecord
{
IsRegistered = reg.registered,
ExpirationDate = reg.expDate,
RegChecked = true,
RegError = !success
};
record.TrialVersion = IsInTrial(reg.expDate, record.RegChecked, record.IsRegistered);
record.IsValid = !record.RegChecked || record.IsRegistered || record.TrialVersion;
return record;
}
private bool IsInTrial(DateTime expirationDate, bool regChecked, bool isRegistered)
{
//don't set this until we've successfully obtained exp date
if (!regChecked)
{
return false;
}
var isInTrial = expirationDate > DateTime.UtcNow;
return isInTrial && !isRegistered;
}
/// <summary>
/// Resets the supporter info.
/// </summary>
private void ResetSupporterInfo()
{
_isMbSupporter = null;
_isMbSupporterInitialized = false;
}
}
}