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jellyfin/MediaBrowser.Server.Impleme.../Connect/ConnectManager.cs

483 lines
15 KiB

using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Connect;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Security;
using MediaBrowser.Model.Connect;
using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Net;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Connect
{
public class ConnectManager : IConnectManager
{
private readonly ILogger _logger;
private readonly IApplicationPaths _appPaths;
private readonly IJsonSerializer _json;
private readonly IEncryptionManager _encryption;
private readonly IHttpClient _httpClient;
private readonly IServerApplicationHost _appHost;
private readonly IServerConfigurationManager _config;
private readonly IUserManager _userManager;
private ConnectData _data = new ConnectData();
public string ConnectServerId
{
get { return _data.ServerId; }
}
public string ConnectAccessKey
{
get { return _data.AccessKey; }
}
public string DiscoveredWanIpAddress { get; private set; }
public string WanIpAddress
{
get
{
var address = _config.Configuration.WanDdns;
if (string.IsNullOrWhiteSpace(address))
{
address = DiscoveredWanIpAddress;
}
return address;
}
}
public string WanApiAddress
{
get
{
var ip = WanIpAddress;
if (!string.IsNullOrEmpty(ip))
{
if (!ip.StartsWith("http://", StringComparison.OrdinalIgnoreCase) &&
!ip.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
{
ip = "http://" + ip;
}
return ip + ":" + _config.Configuration.PublicPort.ToString(CultureInfo.InvariantCulture);
}
return null;
}
}
public ConnectManager(ILogger logger,
IApplicationPaths appPaths,
IJsonSerializer json,
IEncryptionManager encryption,
IHttpClient httpClient,
IServerApplicationHost appHost,
IServerConfigurationManager config, IUserManager userManager)
{
_logger = logger;
_appPaths = appPaths;
_json = json;
_encryption = encryption;
_httpClient = httpClient;
_appHost = appHost;
_config = config;
_userManager = userManager;
LoadCachedData();
}
internal void OnWanAddressResolved(string address)
{
DiscoveredWanIpAddress = address;
UpdateConnectInfo();
}
private async void UpdateConnectInfo()
{
var wanApiAddress = WanApiAddress;
if (string.IsNullOrWhiteSpace(wanApiAddress))
{
_logger.Warn("Cannot update Media Browser Connect information without a WanApiAddress");
return;
}
try
{
var hasExistingRecord = !string.IsNullOrWhiteSpace(ConnectServerId) &&
!string.IsNullOrWhiteSpace(ConnectAccessKey);
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var createNewRegistration = !hasExistingRecord;
if (hasExistingRecord)
{
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try
{
await UpdateServerRegistration(wanApiAddress).ConfigureAwait(false);
}
catch (HttpException ex)
{
if (!ex.StatusCode.HasValue || !new[] { HttpStatusCode.NotFound, HttpStatusCode.Unauthorized }.Contains(ex.StatusCode.Value))
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{
throw;
}
createNewRegistration = true;
}
}
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if (createNewRegistration)
{
await CreateServerRegistration(wanApiAddress).ConfigureAwait(false);
}
await RefreshAuthorizations(CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error registering with Connect", ex);
}
}
private async Task CreateServerRegistration(string wanApiAddress)
{
var url = "Servers";
url = GetConnectUrl(url);
var postData = new Dictionary<string, string>
{
{"name", _appHost.FriendlyName},
{"url", wanApiAddress},
{"systemid", _appHost.SystemId}
};
using (var stream = await _httpClient.Post(url, postData, CancellationToken.None).ConfigureAwait(false))
{
var data = _json.DeserializeFromStream<ServerRegistrationResponse>(stream);
_data.ServerId = data.Id;
_data.AccessKey = data.AccessKey;
CacheData();
}
}
private async Task UpdateServerRegistration(string wanApiAddress)
{
var url = "Servers";
url = GetConnectUrl(url);
url += "?id=" + ConnectServerId;
var options = new HttpRequestOptions
{
Url = url,
CancellationToken = CancellationToken.None
};
options.SetPostData(new Dictionary<string, string>
{
{"name", _appHost.FriendlyName},
{"url", wanApiAddress},
{"systemid", _appHost.SystemId}
});
SetServerAccessToken(options);
// No need to examine the response
using (var stream = (await _httpClient.Post(options).ConfigureAwait(false)).Content)
{
}
}
private string CacheFilePath
{
get { return Path.Combine(_appPaths.DataPath, "connect.txt"); }
}
private void CacheData()
{
var path = CacheFilePath;
try
{
Directory.CreateDirectory(Path.GetDirectoryName(path));
var json = _json.SerializeToString(_data);
var encrypted = _encryption.EncryptString(json);
File.WriteAllText(path, encrypted, Encoding.UTF8);
}
catch (Exception ex)
{
_logger.ErrorException("Error saving data", ex);
}
}
private void LoadCachedData()
{
var path = CacheFilePath;
try
{
var encrypted = File.ReadAllText(path, Encoding.UTF8);
var json = _encryption.DecryptString(encrypted);
_data = _json.DeserializeFromString<ConnectData>(json);
}
catch (IOException)
{
// File isn't there. no biggie
}
catch (Exception ex)
{
_logger.ErrorException("Error loading data", ex);
}
}
private User GetUser(string id)
{
var user = _userManager.GetUserById(id);
if (user == null)
{
throw new ArgumentException("User not found.");
}
return user;
}
private string GetConnectUrl(string handler)
{
return "https://connect.mediabrowser.tv/service/" + handler;
}
public async Task<UserLinkResult> LinkUser(string userId, string connectUsername)
{
if (string.IsNullOrWhiteSpace(connectUsername))
{
throw new ArgumentNullException("connectUsername");
}
var connectUser = await GetConnectUser(new ConnectUserQuery
{
Name = connectUsername
}, CancellationToken.None).ConfigureAwait(false);
if (!connectUser.IsActive)
{
throw new ArgumentException("The Media Browser account has been disabled.");
}
var user = GetUser(userId);
if (!string.IsNullOrWhiteSpace(user.ConnectUserId))
{
await RemoveLink(user, connectUser.Id).ConfigureAwait(false);
}
var url = GetConnectUrl("ServerAuthorizations");
var options = new HttpRequestOptions
{
Url = url,
CancellationToken = CancellationToken.None
};
var accessToken = Guid.NewGuid().ToString("N");
var postData = new Dictionary<string, string>
{
{"serverId", ConnectServerId},
{"userId", connectUser.Id},
{"userType", "Linked"},
{"accessToken", accessToken}
};
options.SetPostData(postData);
SetServerAccessToken(options);
var result = new UserLinkResult();
// No need to examine the response
using (var stream = (await _httpClient.Post(options).ConfigureAwait(false)).Content)
{
var response = _json.DeserializeFromStream<ServerUserAuthorizationResponse>(stream);
result.IsPending = string.Equals(response.AcceptStatus, "waiting", StringComparison.OrdinalIgnoreCase);
}
user.ConnectAccessKey = accessToken;
user.ConnectUserName = connectUser.Name;
user.ConnectUserId = connectUser.Id;
user.ConnectLinkType = UserLinkType.LinkedUser;
await user.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None).ConfigureAwait(false);
return result;
}
public Task RemoveLink(string userId)
{
var user = GetUser(userId);
return RemoveLink(user, user.ConnectUserId);
}
private async Task RemoveLink(User user, string connectUserId)
{
if (!string.IsNullOrWhiteSpace(connectUserId))
{
var url = GetConnectUrl("ServerAuthorizations");
var options = new HttpRequestOptions
{
Url = url,
CancellationToken = CancellationToken.None
};
var postData = new Dictionary<string, string>
{
{"serverId", ConnectServerId},
{"userId", connectUserId}
};
options.SetPostData(postData);
SetServerAccessToken(options);
try
{
// No need to examine the response
using (var stream = (await _httpClient.SendAsync(options, "DELETE").ConfigureAwait(false)).Content)
{
}
}
catch (HttpException ex)
{
// If connect says the auth doesn't exist, we can handle that gracefully since this is a remove operation
if (!ex.StatusCode.HasValue || ex.StatusCode.Value != HttpStatusCode.NotFound)
{
throw;
}
_logger.Debug("Connect returned a 404 when removing a user auth link. Handling it.");
}
}
user.ConnectAccessKey = null;
user.ConnectUserName = null;
user.ConnectUserId = null;
user.ConnectLinkType = UserLinkType.LinkedUser;
await user.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None).ConfigureAwait(false);
}
private async Task<ConnectUser> GetConnectUser(ConnectUserQuery query, CancellationToken cancellationToken)
{
var url = GetConnectUrl("user");
if (!string.IsNullOrWhiteSpace(query.Id))
{
url = url + "?id=" + WebUtility.UrlEncode(query.Id);
}
else if (!string.IsNullOrWhiteSpace(query.Name))
{
url = url + "?name=" + WebUtility.UrlEncode(query.Name);
}
else if (!string.IsNullOrWhiteSpace(query.Email))
{
url = url + "?name=" + WebUtility.UrlEncode(query.Email);
}
var options = new HttpRequestOptions
{
CancellationToken = cancellationToken,
Url = url
};
SetServerAccessToken(options);
using (var stream = await _httpClient.Get(options).ConfigureAwait(false))
{
var response = _json.DeserializeFromStream<GetConnectUserResponse>(stream);
return new ConnectUser
{
Email = response.Email,
Id = response.Id,
Name = response.Name,
IsActive = response.IsActive
};
}
}
private void SetServerAccessToken(HttpRequestOptions options)
{
options.RequestHeaders.Add("X-Connect-Token", ConnectAccessKey);
}
public async Task RefreshAuthorizations(CancellationToken cancellationToken)
{
var url = GetConnectUrl("ServerAuthorizations");
var options = new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken
};
var postData = new Dictionary<string, string>
{
{"serverId", ConnectServerId}
};
options.SetPostData(postData);
SetServerAccessToken(options);
try
{
// No need to examine the response
using (var stream = (await _httpClient.SendAsync(options, "POST").ConfigureAwait(false)).Content)
{
var list = _json.DeserializeFromStream<List<ServerUserAuthorizationResponse>>(stream);
RefreshAuthorizations(list);
}
}
catch (Exception ex)
{
_logger.ErrorException("Error refreshing server authorizations.", ex);
}
}
private void RefreshAuthorizations(List<ServerUserAuthorizationResponse> list)
{
}
}
}