private bool UserExistsInLdapDirectory(LdapSettings ldapSettings, LoginInfo loginInfo)
{
var userName = loginInfo.UserName != null?loginInfo.UserName.Trim() : loginInfo.Login;
var filter = I18NHelper.FormatInvariant("(&(objectCategory={0})({1}={2}))", ldapSettings.GetEffectiveUserObjectCategoryAttribute(), ldapSettings.GetEffectiveAccountNameAttribute(), LdapHelper.EscapeLdapSearchFilter(userName));
try
{
var found = _authenticator.SearchLdap(ldapSettings, filter);
if (found)
{
return(true);
}
_log.LogInformation(LogSourceLdap, I18NHelper.FormatInvariant("User '{0}' is not found in LDAP directory {1}", userName, ldapSettings.LdapAuthenticationUrl));
return(false);
}
catch (Exception ex)
{
_log.LogInformation(LogSourceLdap, I18NHelper.FormatInvariant("Error while searching a user in LDAP directory {0}", ldapSettings.LdapAuthenticationUrl));
_log.LogError(LogSourceLdap, ex);
return(false);
}
}