2019-05-15 14:56:09 +00:00
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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 System;
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2020-02-17 08:58:14 +00:00
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using System.Text;
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2020-01-15 15:22:43 +00:00
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2020-02-17 08:58:14 +00:00
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using ASC.Common;
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2019-11-06 15:03:09 +00:00
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using ASC.Common.Logging;
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2019-08-15 12:04:42 +00:00
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using ASC.Core;
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2019-09-27 10:45:37 +00:00
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using ASC.Core.Users;
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2020-02-17 08:58:14 +00:00
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using ASC.Web.Studio.Utility;
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2019-09-27 10:45:37 +00:00
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.WebUtilities;
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2019-11-06 15:03:09 +00:00
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using Microsoft.Extensions.Configuration;
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2020-02-17 08:58:14 +00:00
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using Microsoft.Extensions.Options;
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2019-11-06 15:03:09 +00:00
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using static ASC.Security.Cryptography.EmailValidationKeyProvider;
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2019-05-15 14:56:09 +00:00
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namespace ASC.Security.Cryptography
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{
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public class EmailValidationKeyProvider
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{
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public enum ValidationResult
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{
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Ok,
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Invalid,
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Expired
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}
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2019-10-17 15:55:35 +00:00
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private readonly ILog log;
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2019-11-06 15:03:09 +00:00
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private static readonly DateTime _from = new DateTime(2010, 01, 01, 0, 0, 0, DateTimeKind.Utc);
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2019-09-27 10:45:37 +00:00
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internal readonly TimeSpan ValidInterval;
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2019-11-06 15:03:09 +00:00
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2019-09-27 10:45:37 +00:00
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public TenantManager TenantManager { get; }
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public IConfiguration Configuration { get; }
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2019-11-06 15:03:09 +00:00
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public EmailValidationKeyProvider(TenantManager tenantManager, IConfiguration configuration, IOptionsMonitor<ILog> options)
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{
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TenantManager = tenantManager;
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2019-09-27 10:45:37 +00:00
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Configuration = configuration;
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if (!TimeSpan.TryParse(configuration["email:validinterval"], out var validInterval))
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{
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validInterval = TimeSpan.FromDays(7);
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}
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2019-11-06 15:03:09 +00:00
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ValidInterval = validInterval;
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log = options.CurrentValue;
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}
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2019-09-17 12:42:32 +00:00
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public string GetEmailKey(string email)
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2019-05-15 14:56:09 +00:00
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{
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2019-09-17 12:42:32 +00:00
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return GetEmailKey(TenantManager.GetCurrentTenant().TenantId, email);
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2019-05-15 14:56:09 +00:00
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}
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2019-09-23 12:20:08 +00:00
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public string GetEmailKey(int tenantId, string email)
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2019-05-15 14:56:09 +00:00
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{
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if (string.IsNullOrEmpty(email)) throw new ArgumentNullException("email");
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email = FormatEmail(tenantId, email);
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var ms = (long)(DateTime.UtcNow - _from).TotalMilliseconds;
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var hash = GetMashineHashedData(BitConverter.GetBytes(ms), Encoding.ASCII.GetBytes(email));
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return string.Format("{0}.{1}", ms, DoStringFromBytes(hash));
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}
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2019-09-23 12:20:08 +00:00
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private string FormatEmail(int tenantId, string email)
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{
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if (email == null) throw new ArgumentNullException("email");
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try
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{
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return string.Format("{0}|{1}|{2}", email.ToLowerInvariant(), tenantId, Configuration["core:machinekey"]);
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2019-05-15 14:56:09 +00:00
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}
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catch (Exception e)
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{
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log.Fatal("Failed to format tenant specific email", e);
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return email.ToLowerInvariant();
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}
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}
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2019-09-17 12:42:32 +00:00
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public ValidationResult ValidateEmailKey(string email, string key)
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2019-05-15 14:56:09 +00:00
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{
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return ValidateEmailKey(email, key, TimeSpan.MaxValue);
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}
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2019-09-17 12:42:32 +00:00
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public ValidationResult ValidateEmailKey(string email, string key, TimeSpan validInterval)
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2019-05-15 14:56:09 +00:00
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{
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var result = ValidateEmailKeyInternal(email, key, validInterval);
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log.DebugFormat("validation result: {0}, source: {1} with key: {2} interval: {3} tenant: {4}", result, email, key, validInterval, TenantManager.GetCurrentTenant().TenantId);
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2019-05-15 14:56:09 +00:00
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return result;
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}
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2019-09-17 12:42:32 +00:00
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private ValidationResult ValidateEmailKeyInternal(string email, string key, TimeSpan validInterval)
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2019-05-15 14:56:09 +00:00
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{
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if (string.IsNullOrEmpty(email)) throw new ArgumentNullException("email");
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if (key == null) throw new ArgumentNullException("key");
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2019-09-17 12:42:32 +00:00
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email = FormatEmail(TenantManager.GetCurrentTenant().TenantId, email);
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2019-05-15 14:56:09 +00:00
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var parts = key.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
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if (parts.Length != 2) return ValidationResult.Invalid;
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2019-08-15 13:16:39 +00:00
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if (!long.TryParse(parts[0], out var ms)) return ValidationResult.Invalid;
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2019-05-15 14:56:09 +00:00
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var hash = GetMashineHashedData(BitConverter.GetBytes(ms), Encoding.ASCII.GetBytes(email));
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var key2 = DoStringFromBytes(hash);
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var key2_good = string.Compare(parts[1], key2, StringComparison.InvariantCultureIgnoreCase) == 0;
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if (!key2_good) return ValidationResult.Invalid;
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var ms_current = (long)(DateTime.UtcNow - _from).TotalMilliseconds;
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2019-08-15 12:04:42 +00:00
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return validInterval >= TimeSpan.FromMilliseconds(ms_current - ms) ? ValidationResult.Ok : ValidationResult.Expired;
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2019-05-15 14:56:09 +00:00
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}
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internal static string DoStringFromBytes(byte[] data)
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{
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2019-08-15 13:03:57 +00:00
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var str = Convert.ToBase64String(data);
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2019-05-15 14:56:09 +00:00
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str = str.Replace("=", "").Replace("+", "").Replace("/", "").Replace("\\", "");
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return str.ToUpperInvariant();
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}
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internal static byte[] GetMashineHashedData(byte[] salt, byte[] data)
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{
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var alldata = new byte[salt.Length + data.Length];
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Array.Copy(data, alldata, data.Length);
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Array.Copy(salt, 0, alldata, data.Length, salt.Length);
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return Hasher.Hash(alldata, HashAlg.SHA256);
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}
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}
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2019-11-06 15:03:09 +00:00
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public class EmailValidationKeyModel
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{
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public string Key { get; set; }
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public EmployeeType? EmplType { get; set; }
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public string Email { get; set; }
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public Guid? UiD { get; set; }
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public ConfirmType? Type { get; set; }
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public int? P { get; set; }
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public ValidationResult Validate(EmailValidationKeyProvider provider, AuthContext authContext, TenantManager tenantManager, UserManager userManager, AuthManager authentication)
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{
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ValidationResult checkKeyResult;
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switch (Type)
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{
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case ConfirmType.EmpInvite:
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checkKeyResult = provider.ValidateEmailKey(Email + Type + (int)EmplType, Key, provider.ValidInterval);
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2019-11-06 15:03:09 +00:00
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break;
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case ConfirmType.LinkInvite:
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checkKeyResult = provider.ValidateEmailKey(Type.ToString() + (int)EmplType, Key, provider.ValidInterval);
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2019-11-06 15:03:09 +00:00
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break;
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2020-02-17 08:58:14 +00:00
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case ConfirmType.PortalOwnerChange:
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checkKeyResult = provider.ValidateEmailKey(Email + Type + UiD.HasValue, Key, provider.ValidInterval);
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break;
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2019-11-06 15:03:09 +00:00
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case ConfirmType.EmailChange:
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checkKeyResult = provider.ValidateEmailKey(Email + Type + authContext.CurrentAccount.ID, Key, provider.ValidInterval);
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break;
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case ConfirmType.PasswordChange:
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var hash = string.Empty;
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if (P == 1)
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{
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var tenantId = tenantManager.GetCurrentTenant().TenantId;
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hash = authentication.GetUserPasswordHash(tenantId, UiD.Value);
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}
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checkKeyResult = provider.ValidateEmailKey(Email + Type + (string.IsNullOrEmpty(hash) ? string.Empty : Hasher.Base64Hash(hash)) + UiD, Key, provider.ValidInterval);
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break;
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case ConfirmType.Activation:
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checkKeyResult = provider.ValidateEmailKey(Email + Type + UiD, Key, provider.ValidInterval);
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break;
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case ConfirmType.ProfileRemove:
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// validate UiD
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if (P == 1)
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{
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var user = userManager.GetUsers(UiD.GetValueOrDefault());
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if (user == null || user.Status == EmployeeStatus.Terminated || authContext.IsAuthenticated && authContext.CurrentAccount.ID != UiD)
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return ValidationResult.Invalid;
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}
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checkKeyResult = provider.ValidateEmailKey(Email + Type + UiD, Key, provider.ValidInterval);
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break;
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default:
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checkKeyResult = provider.ValidateEmailKey(Email + Type, Key, provider.ValidInterval);
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break;
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}
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return checkKeyResult;
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}
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public static EmailValidationKeyModel FromRequest(HttpRequest httpRequest)
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{
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var Request = QueryHelpers.ParseQuery(httpRequest.Headers["confirm"]);
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_ = Request.TryGetValue("type", out var type);
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ConfirmType? cType = null;
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if (Enum.TryParse<ConfirmType>(type, out var confirmType))
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{
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cType = confirmType;
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}
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_ = Request.TryGetValue("key", out var key);
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_ = Request.TryGetValue("p", out var pkey);
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_ = int.TryParse(pkey, out var p);
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_ = Request.TryGetValue("emplType", out var emplType);
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_ = Enum.TryParse<EmployeeType>(emplType, out var employeeType);
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_ = Request.TryGetValue("email", out var _email);
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_ = Request.TryGetValue("uid", out var userIdKey);
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_ = Guid.TryParse(userIdKey, out var userId);
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return new EmailValidationKeyModel
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{
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Key = key,
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Type = cType,
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Email = _email,
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EmplType = employeeType,
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UiD = userId,
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P = p
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};
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}
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public void Deconstruct(out string key, out string email, out EmployeeType? employeeType, out Guid? userId, out ConfirmType? confirmType, out int? p)
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=> (key, email, employeeType, userId, confirmType, p) = (Key, Email, EmplType, UiD, Type, P);
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}
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public static class EmailValidationKeyProviderExtension
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{
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public static DIHelper AddEmailValidationKeyProviderService(this DIHelper services)
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2019-11-06 15:03:09 +00:00
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{
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services.TryAddScoped<EmailValidationKeyProvider>();
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return services
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.AddTenantManagerService();
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}
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2019-05-15 14:56:09 +00:00
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}
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}
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