196 lines
8.3 KiB
C#
196 lines
8.3 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.FederatedLogin;
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[Singletone]
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public class AccountLinkerStorage
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{
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private readonly ICache _cache;
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private readonly ICacheNotify<LinkerCacheItem> _notify;
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public AccountLinkerStorage(ICacheNotify<LinkerCacheItem> notify, ICache cache)
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{
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_cache = cache;
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_notify = notify;
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notify.Subscribe((c) => cache.Remove(c.Obj), CacheNotifyAction.Remove);
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}
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public void RemoveFromCache(string obj)
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{
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_notify.Publish(new LinkerCacheItem { Obj = obj }, CacheNotifyAction.Remove);
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}
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public async Task<List<LoginProfile>> GetFromCacheAsync(string obj, Func<string, Task<List<LoginProfile>>> fromDb)
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{
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var profiles = _cache.Get<List<LoginProfile>>(obj);
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if (profiles == null)
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{
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profiles = await fromDb(obj);
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_cache.Insert(obj, profiles, DateTime.UtcNow + TimeSpan.FromMinutes(10));
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}
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return profiles;
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}
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}
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[Scope]
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public class AccountLinker
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{
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private readonly Signature _signature;
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private readonly InstanceCrypto _instanceCrypto;
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private readonly AccountLinkerStorage _accountLinkerStorage;
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private readonly IDbContextFactory<AccountLinkContext> _accountLinkContextManager;
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public AccountLinker(Signature signature, InstanceCrypto instanceCrypto, AccountLinkerStorage accountLinkerStorage, IDbContextFactory<AccountLinkContext> accountLinkContextManager)
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{
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_signature = signature;
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_instanceCrypto = instanceCrypto;
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_accountLinkerStorage = accountLinkerStorage;
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_accountLinkContextManager = accountLinkContextManager;
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}
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public async Task<IEnumerable<string>> GetLinkedObjectsAsync(string id, string provider)
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{
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return await GetLinkedObjectsAsync(new LoginProfile(_signature, _instanceCrypto) { Id = id, Provider = provider });
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}
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public async Task<IEnumerable<string>> GetLinkedObjectsAsync(LoginProfile profile)
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{
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return await GetLinkedObjectsByHashIdAsync(profile.HashId);
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}
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public async Task<IEnumerable<string>> GetLinkedObjectsByHashIdAsync(string hashid)
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{
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await using var accountLinkContext = _accountLinkContextManager.CreateDbContext();
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return await Queries.LinkedObjectsByHashIdAsync(accountLinkContext, hashid).ToListAsync();
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}
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public async Task<IEnumerable<LoginProfile>> GetLinkedProfilesAsync(string obj, string provider)
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{
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return (await GetLinkedProfilesAsync(obj)).Where(profile => profile.Provider.Equals(provider));
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}
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public async Task<IDictionary<string, LoginProfile>> GetLinkedProfilesAsync(IEnumerable<string> objects, string provider)
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{
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return (await GetLinkedProfilesAsync(objects)).Where(o => o.Value.Provider.Equals(provider)).ToDictionary(k => k.Key, v => v.Value);
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}
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public async Task<IEnumerable<LoginProfile>> GetLinkedProfilesAsync(string obj)
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{
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return await _accountLinkerStorage.GetFromCacheAsync(obj, GetLinkedProfilesFromDBAsync);
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}
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public async Task AddLinkAsync(string obj, LoginProfile profile)
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{
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var accountLink = new AccountLinks
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{
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Id = obj,
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UId = profile.HashId,
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Provider = profile.Provider,
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Profile = profile.ToSerializedString(),
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Linked = DateTime.UtcNow
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};
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await using var accountLinkContext = _accountLinkContextManager.CreateDbContext();
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await accountLinkContext.AddOrUpdateAsync(a => a.AccountLinks, accountLink);
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await accountLinkContext.SaveChangesAsync();
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_accountLinkerStorage.RemoveFromCache(obj);
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}
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public async Task AddLinkAsync(string obj, string id, string provider)
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{
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await AddLinkAsync(obj, new LoginProfile(_signature, _instanceCrypto) { Id = id, Provider = provider });
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}
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public async Task RemoveLinkAsync(string obj, string id, string provider)
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{
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await RemoveLinkAsync(obj, new LoginProfile(_signature, _instanceCrypto) { Id = id, Provider = provider });
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}
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public async Task RemoveLinkAsync(string obj, LoginProfile profile)
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{
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await RemoveProviderAsync(obj, hashId: profile.HashId);
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}
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public async Task RemoveProviderAsync(string obj, string provider = null, string hashId = null)
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{
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await using var accountLinkContext = _accountLinkContextManager.CreateDbContext();
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var accountLink = await Queries.AccountLinkAsync(accountLinkContext, obj, provider, hashId);
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accountLinkContext.AccountLinks.Remove(accountLink);
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await accountLinkContext.SaveChangesAsync();
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_accountLinkerStorage.RemoveFromCache(obj);
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}
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private async Task<List<LoginProfile>> GetLinkedProfilesFromDBAsync(string obj)
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{
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await using var accountLinkContext = _accountLinkContextManager.CreateDbContext();
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//Retrieve by uinque id
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return (await Queries.LinkedProfilesFromDbAsync(accountLinkContext, obj).ToListAsync())
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.ConvertAll(x => LoginProfile.CreateFromSerializedString(_signature, _instanceCrypto, x));
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}
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private async Task<IDictionary<string, LoginProfile>> GetLinkedProfilesAsync(IEnumerable<string> objects)
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{
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await using var accountLinkContext = _accountLinkContextManager.CreateDbContext();
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return await accountLinkContext.AccountLinks.Where(r => objects.Contains(r.Id))
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.Select(r => new { r.Id, r.Profile })
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.ToDictionaryAsync(k => k.Id, v => LoginProfile.CreateFromSerializedString(_signature, _instanceCrypto, v.Profile));
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}
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}
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static file class Queries
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{
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public static readonly Func<AccountLinkContext, string, IAsyncEnumerable<string>> LinkedObjectsByHashIdAsync =
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EF.CompileAsyncQuery(
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(AccountLinkContext ctx, string hashId) =>
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ctx.AccountLinks
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.Where(r => r.UId == hashId)
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.Where(r => r.Provider != string.Empty)
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.Select(r => r.Id));
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public static readonly Func<AccountLinkContext, string, string, string, Task<AccountLinks>> AccountLinkAsync =
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EF.CompileAsyncQuery(
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(AccountLinkContext ctx, string id, string provider, string hashId) =>
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ctx.AccountLinks
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.Where(r => r.Id == id)
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.Where(r => string.IsNullOrEmpty(provider) || r.Provider == provider)
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.Where(r => string.IsNullOrEmpty(hashId) || r.UId == hashId)
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.FirstOrDefault());
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public static readonly Func<AccountLinkContext, string, IAsyncEnumerable<string>> LinkedProfilesFromDbAsync =
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EF.CompileAsyncQuery(
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(AccountLinkContext ctx, string id) =>
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ctx.AccountLinks
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.Where(r => r.Id == id)
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.Select(r => r.Profile));
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}
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