174 lines
5.4 KiB
C#
174 lines
5.4 KiB
C#
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using ASC.Core;
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using ASC.Core.Notify.Jabber;
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using System;
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using System.ServiceModel;
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namespace ASC.Web.Core.Jabber
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{
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public class JabberServiceClient
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{
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private static readonly TimeSpan Timeout = TimeSpan.FromSeconds(5);
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private static DateTime lastErrorTime;
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public bool IsAvailable()
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{
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return lastErrorTime + Timeout < DateTime.Now;
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}
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public int GetNewMessagesCount(int tenantId, string userName)
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{
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var result = 0;
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if (string.IsNullOrEmpty(userName) || !IsAvailable())
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{
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return result;
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}
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using (var service = GetService())
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{
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try
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{
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result = service.GetNewMessagesCount(tenantId, userName);
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}
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catch (Exception error)
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{
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ProcessError(error);
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}
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}
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return result;
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}
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public string GetAuthToken(int tenantId)
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{
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var result = string.Empty;
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if (!IsAvailable())
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{
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return result;
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}
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var userName = CoreContext.UserManager.GetUsers(SecurityContext.CurrentAccount.ID).UserName ?? string.Empty;
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if (string.IsNullOrEmpty(userName))
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{
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return result;
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}
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using (var service = GetService())
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{
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try
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{
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result = Attempt(() => service.GetUserToken(tenantId, userName), 3);
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}
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catch (Exception error)
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{
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ProcessError(error);
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}
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}
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return result;
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}
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public void SendCommand(int tenantId, string from, string to, string command, bool fromTenant)
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{
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if (!IsAvailable()) return;
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using (var service = GetService())
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{
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try
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{
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service.SendCommand(tenantId, from, to, command, fromTenant);
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}
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catch (Exception error)
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{
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ProcessError(error);
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}
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}
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}
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public void SendMessage(int tenantId, string from, string to, string text)
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{
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try
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{
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if (!IsAvailable()) throw new Exception();
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using (var service = GetService())
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{
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service.SendMessage(tenantId, from, to, text, null);
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}
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}
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catch (Exception error)
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{
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ProcessError(error);
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}
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}
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private JabberServiceClientWcf GetService()
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{
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var service = new JabberServiceClientWcf();
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try
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{
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service.Open();
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}
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catch(Exception error)
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{
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ProcessError(error);
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}
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return service;
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}
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private void ProcessError(Exception error)
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{
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if (error is FaultException)
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{
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throw error;
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}
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if (error is CommunicationException || error is TimeoutException)
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{
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lastErrorTime = DateTime.Now;
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}
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throw error;
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}
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private T Attempt<T>(Func<T> f, int count)
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{
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var i = 0;
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while (true)
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{
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try
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{
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return f();
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}
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catch
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{
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if (count < ++i)
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{
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throw;
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}
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}
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}
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}
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}
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}
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