160 lines
6.3 KiB
C#
160 lines
6.3 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.Web.Core.Helpers;
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[Scope]
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public class ApiSystemHelper
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{
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public string ApiSystemUrl { get; private set; }
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public string ApiCacheUrl { get; private set; }
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private static byte[] _skey;
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private readonly CommonLinkUtility _commonLinkUtility;
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private readonly IHttpClientFactory _clientFactory;
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public ApiSystemHelper(IConfiguration configuration,
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CommonLinkUtility commonLinkUtility,
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MachinePseudoKeys machinePseudoKeys,
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IHttpClientFactory clientFactory)
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{
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ApiSystemUrl = configuration["web:api-system"];
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ApiCacheUrl = configuration["web:api-cache"];
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_commonLinkUtility = commonLinkUtility;
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_skey = machinePseudoKeys.GetMachineConstant();
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_clientFactory = clientFactory;
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}
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public string CreateAuthToken(string pkey)
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{
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using var hasher = new HMACSHA1(_skey);
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var now = DateTime.UtcNow.ToString("yyyyMMddHHmmss");
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var hash = WebEncoders.Base64UrlEncode(hasher.ComputeHash(Encoding.UTF8.GetBytes(string.Join("\n", now, pkey))));
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return $"ASC {pkey}:{now}:{hash}";
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}
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#region system
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public async Task ValidatePortalNameAsync(string domain, Guid userId)
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{
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try
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{
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var data = $"portalName={HttpUtility.UrlEncode(domain)}";
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await SendToApiAsync(ApiSystemUrl, "portal/validateportalname", WebRequestMethods.Http.Post, userId, data);
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}
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catch (WebException exception)
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{
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if (exception.Status != WebExceptionStatus.ProtocolError || exception.Response == null)
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{
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return;
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}
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var response = exception.Response;
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try
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{
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using var stream = response.GetResponseStream();
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using var reader = new StreamReader(stream, Encoding.UTF8);
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var result = await reader.ReadToEndAsync();
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var resObj = JObject.Parse(result);
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if (resObj["error"] != null)
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{
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if (resObj["error"].ToString() == "portalNameExist")
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{
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var varians = resObj.Value<JArray>("variants").Select(jv => jv.Value<string>());
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throw new TenantAlreadyExistsException("Address busy.", varians);
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}
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throw new Exception(resObj["error"].ToString());
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}
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}
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finally
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{
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if (response != null)
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{
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response.Close();
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}
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}
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}
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}
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#endregion
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#region cache
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public async Task AddTenantToCacheAsync(string domain, Guid userId)
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{
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var data = $"portalName={HttpUtility.UrlEncode(domain)}";
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await SendToApiAsync(ApiCacheUrl, "portal/add", WebRequestMethods.Http.Post, userId, data);
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}
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public async Task RemoveTenantFromCacheAsync(string domain, Guid userId)
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{
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await SendToApiAsync(ApiCacheUrl, "portal/remove?portalname=" + HttpUtility.UrlEncode(domain), "DELETE", userId);
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}
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public async Task<IEnumerable<string>> FindTenantsInCacheAsync(string domain, Guid userId)
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{
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var result = await SendToApiAsync(ApiCacheUrl, "portal/find?portalname=" + HttpUtility.UrlEncode(domain), WebRequestMethods.Http.Get, userId);
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var resObj = JObject.Parse(result);
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var variants = resObj.Value<JArray>("variants");
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return variants?.Select(jv => jv.Value<string>()).ToList();
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}
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#endregion
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private async Task<string> SendToApiAsync(string absoluteApiUrl, string apiPath, string httpMethod, Guid userId, string data = null)
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{
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if (!Uri.TryCreate(absoluteApiUrl, UriKind.Absolute, out var uri))
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{
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var appUrl = _commonLinkUtility.GetFullAbsolutePath("/");
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absoluteApiUrl = $"{appUrl.TrimEnd('/')}/{absoluteApiUrl.TrimStart('/')}".TrimEnd('/');
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}
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var url = $"{absoluteApiUrl}/{apiPath}";
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var request = new HttpRequestMessage
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{
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RequestUri = new Uri(url),
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Method = new HttpMethod(httpMethod)
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};
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request.Headers.Add("Authorization", CreateAuthToken(userId.ToString()));
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request.Headers.Accept.Add(MediaTypeWithQualityHeaderValue.Parse("application/json"));
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if (data != null)
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{
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request.Content = new StringContent(data, Encoding.UTF8, "application/x-www-form-urlencoded");
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}
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var httpClient = _clientFactory.CreateClient();
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using var response = await httpClient.SendAsync(request);
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using var stream = await response.Content.ReadAsStreamAsync();
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using var reader = new StreamReader(stream, Encoding.UTF8);
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return await reader.ReadToEndAsync();
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}
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}
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