112 lines
4.5 KiB
C#
112 lines
4.5 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Core.Configuration;
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public class AmiPublicDnsSyncService : IServiceController
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{
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public static IServiceProvider ServiceProvider { get; set; }
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public void Start()
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{
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Synchronize();
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}
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public void Stop() { }
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public static void Synchronize()
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{
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using var scope = ServiceProvider.CreateScope();
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var scopeClass = scope.ServiceProvider.GetService<AmiPublicDnsSyncServiceScope>();
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var (tenantManager, coreBaseSettings, clientFactory) = scopeClass;
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if (coreBaseSettings.Standalone)
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{
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var tenants = tenantManager.GetTenants(false).Where(t => MappedDomainNotSettedByUser(t.MappedDomain));
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if (tenants.Any())
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{
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var dnsname = GetAmiPublicDnsName(clientFactory);
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foreach (var tenant in tenants.Where(t => !string.IsNullOrEmpty(dnsname) && t.MappedDomain != dnsname))
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{
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tenant.MappedDomain = dnsname;
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tenantManager.SaveTenant(tenant);
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}
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}
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}
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}
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private static bool MappedDomainNotSettedByUser(string domain)
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{
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return string.IsNullOrEmpty(domain) || Regex.IsMatch(domain, "^ec2.+\\.compute\\.amazonaws\\.com$", RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
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}
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private static string GetAmiPublicDnsName(IHttpClientFactory clientFactory)
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{
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try
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{
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var request = new HttpRequestMessage();
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request.RequestUri = new Uri("http://169.254.169.254/latest/meta-data/public-hostname");
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request.Method = HttpMethod.Get;
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var httpClient = clientFactory.CreateClient();
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httpClient.Timeout = TimeSpan.FromMilliseconds(5000);
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using var responce = httpClient.Send(request);
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using var stream = responce.Content.ReadAsStream();
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using var reader = new StreamReader(stream);
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return reader.ReadToEnd();
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}
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catch (HttpRequestException ex)
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{
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if (ex.StatusCode == HttpStatusCode.NotFound || ex.StatusCode == HttpStatusCode.Conflict)
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{
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throw;
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}
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}
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return null;
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}
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}
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public class AmiPublicDnsSyncServiceScope
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{
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private TenantManager _tenantManager;
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private CoreBaseSettings _coreBaseSettings;
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private IHttpClientFactory _clientFactory;
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public AmiPublicDnsSyncServiceScope(TenantManager tenantManager, CoreBaseSettings coreBaseSettings, IHttpClientFactory clientFactory)
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{
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_tenantManager = tenantManager;
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_coreBaseSettings = coreBaseSettings;
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_clientFactory = clientFactory;
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}
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public void Deconstruct(out TenantManager tenantManager, out CoreBaseSettings coreBaseSettings, out IHttpClientFactory clientFactory)
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{
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(tenantManager, coreBaseSettings, clientFactory) = (_tenantManager, _coreBaseSettings, _clientFactory);
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}
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}
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