public virtual async Task <IEnumerable <TTenant> > FindByEmailAsync(string email)
{
ThrowIfDisposed();
if (email == null)
{
throw new ArgumentNullException(nameof(email));
}
email = KeyNormalizer.MaybeNormalizeName(email);
if (!(_userStore is IUserEmailStoreExtended <TUser> emailStore))
{
throw new NotSupportedException();
}
var users = await emailStore.FindAllByEmailAsync(email, CancellationToken);
if (users != null || !Options.Stores.ProtectPersonalData)
{
if (!(users is IEnumerable <IdentityUserExtended <TKey> > ext))
{
throw new NotSupportedException();
}
var tenantIds = ext.Select(x => $"{x.TenantId}");
return(await _tenantStore.FindByIdsAsync(tenantIds, CancellationToken));
}
var protector = _serviceProvider.GetService(typeof(ILookupProtector)) as ILookupProtector;
if (!(_serviceProvider.GetService(typeof(ILookupProtectorKeyRing)) is ILookupProtectorKeyRing service) ||
protector == null)
{
return(null);
}
foreach (var allKeyId in service.GetAllKeyIds())
{
users = await emailStore.FindAllByEmailAsync(protector.Protect(allKeyId, email), CancellationToken);
if (users is IEnumerable <IdentityUserExtended> ext)
{
var tenantIds = ext.Select(x => $"{x.TenantId}");
var tenants = await _tenantStore.FindByIdsAsync(tenantIds, CancellationToken);
if (tenants != null)
{
return(tenants);
}
}
}
return(null);
}
