DocSpace-buildtools/common/ASC.Core.Common/Notify/Signalr/SocketServiceClient.cs

123 lines
4.4 KiB
C#

// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
namespace ASC.Core.Notify.Socket;
[Scope]
public class SocketServiceClient
{
private readonly TimeSpan _timeout = TimeSpan.FromSeconds(1);
private DateTime _lastErrorTime;
private readonly IHttpClientFactory _clientFactory;
private readonly ILogger<SocketServiceClient> _logger;
private readonly bool _enableSocket;
private readonly byte[] _sKey;
private readonly string _url;
public virtual string Hub { get => "default"; }
public SocketServiceClient(
ILogger<SocketServiceClient> logger,
IHttpClientFactory clientFactory,
MachinePseudoKeys mashinePseudoKeys,
IConfiguration configuration)
{
_logger = logger;
_clientFactory = clientFactory;
_sKey = mashinePseudoKeys.GetMachineConstant();
_url = configuration["web:hub:internal"];
_enableSocket = !string.IsNullOrEmpty(_url);
}
public async Task<string> MakeRequest(string method, object data)
{
if (!IsAvailable())
{
return string.Empty;
}
try
{
var request = new HttpRequestMessage();
request.Headers.Add("Authorization", CreateAuthToken());
request.Method = HttpMethod.Post;
request.RequestUri = new Uri(GetMethod(method));
var jsonData = JsonConvert.SerializeObject(data);
_logger.DebugMakeRequest(method, jsonData);
request.Content = new StringContent(jsonData, Encoding.UTF8, "application/json");
var httpClient = _clientFactory.CreateClient();
//async
using (var response = await httpClient.SendAsync(request))
using (var stream = await response.Content.ReadAsStreamAsync())
using (var streamReader = new StreamReader(stream))
{
return await streamReader.ReadToEndAsync();
}
}
catch (Exception e)
{
_logger.ErrorService(e);
if (e is HttpRequestException)
{
_lastErrorTime = DateTime.Now;
}
}
return null;
}
public async Task<T> MakeRequest<T>(string method, object data)
{
var resultMakeRequest = await MakeRequest(method, data);
return JsonConvert.DeserializeObject<T>(resultMakeRequest);
}
private bool IsAvailable()
{
return _enableSocket && _lastErrorTime + _timeout < DateTime.Now;
}
private string GetMethod(string method)
{
return $"{_url.TrimEnd('/')}/controller/{Hub}/{method}";
}
private string CreateAuthToken(string pkey = "socketio")
{
using var hasher = new HMACSHA1(_sKey);
var now = DateTime.UtcNow.ToString("yyyyMMddHHmmss");
var hash = Convert.ToBase64String(hasher.ComputeHash(Encoding.UTF8.GetBytes(string.Join("\n", now, pkey))));
return $"ASC {pkey}:{now}:{hash}";
}
}