CAllUser::LoginHitByHash

public function LoginHitByHash($hash, $closeSession = true, $delete = false, $remember = false)
{
	global $APPLICATION;

	$hash = trim($hash);
	if ($hash == '')
	{
		return false;
	}

	$APPLICATION->ResetException();

	$request = MainContext::getCurrent()->getRequest();
	$url = str_replace('%', '%%', $request->getRequestedPage());

	$connection = MainApplication::getConnection();
	$helper = $connection->getSqlHelper();

	$query = UserHitAuthTable::query()
		->setSelect(['ID', 'USER_ID', 'HASH', 'VALID_UNTIL'])
		->where('USER.ACTIVE', 'Y')
		->where('USER.BLOCKED', 'N')
		->where('HASH', $hash)
		->whereExpr("%s = left('" . $helper->forSql($url) . "', length(%s))", ['URL', 'URL'])
	;

	if (!defined("ADMIN_SECTION") || ADMIN_SECTION !== true)
	{
		$query->where('SITE_ID', SITE_ID);
	}

	if ($hashData = $query->fetch())
	{
		// case sensitive
		if ($hashData['HASH'] === $hash)
		{
			if ($hashData['VALID_UNTIL'] instanceof MainTypeDateTime)
			{
				if ((new MainTypeDateTime())->getTimestamp() > $hashData['VALID_UNTIL']->getTimestamp())
				{
					UserHitAuthTable::delete($hashData['ID']);
					return false;
				}
			}

			setSessionExpired($closeSession);

			$context = (new AuthenticationContext())
				->setUserId($hashData["USER_ID"])
				->setHitAuthId($hashData["ID"])
			;

			$this->Authorize($context, $remember);

			if ($delete)
			{
				UserHitAuthTable::delete($hashData['ID']);
			}
			else
			{
				UserHitAuthTable::update($hashData['ID'], ['TIMESTAMP_X' => new MainTypeDateTime()]);
			}

			return true;
		}
	}

	return false;
}