65 lines
2.8 KiB
C#
65 lines
2.8 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.Tenants;
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[Singletone]
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public class TenantDomainValidator
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{
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private static readonly Regex _validDomain = new Regex("^[a-z0-9]([a-z0-9-]){1,98}[a-z0-9]$",
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RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
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public readonly int MinLength;
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private const int MaxLength = 100;
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public TenantDomainValidator(IConfiguration configuration)
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{
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MinLength = 6;
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if (int.TryParse(configuration["web:alias:min"], out var defaultMinLength))
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{
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MinLength = Math.Max(1, Math.Min(MaxLength, defaultMinLength));
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}
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}
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public void ValidateDomainLength(string domain)
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{
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if (string.IsNullOrEmpty(domain)
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|| domain.Length < MinLength || MaxLength < domain.Length)
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{
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throw new TenantTooShortException("The domain name must be between " + MinLength + " and " + MaxLength + " characters long.", MinLength, MaxLength);
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}
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}
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public static void ValidateDomainCharacters(string domain)
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{
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if (!_validDomain.IsMatch(domain))
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{
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throw new TenantIncorrectCharsException("Domain contains invalid characters.");
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}
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}
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}
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