157 lines
6.6 KiB
C#
157 lines
6.6 KiB
C#
/*
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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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namespace ASC.Web.Core.Helpers
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{
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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 { get; set; }
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private CommonLinkUtility CommonLinkUtility { get; }
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private IHttpClientFactory ClientFactory { get; }
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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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request.RequestUri = new Uri(url);
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request.Method = new HttpMethod(httpMethod);
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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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} |