allowedsender.php

<?
namespace Bitrix\Calendar\Integration\Sender;
use Bitrix\Main\Loader;
 
class AllowedSender
{
    public static function getList($forUserId = null)
    {
        $result = [];
 
        $userMailboxes = \Bitrix\Main\Mail\Sender::prepareUserMailboxes($forUserId);
        if (is_array($userMailboxes))
        {
            foreach ($userMailboxes as $mailbox)
            {
                $formatted = isset($mailbox['formatted']) ? $mailbox['formatted'] : $mailbox['formated'];
                $result[] = [
                    'name' => $mailbox['name'],
                    'email' => $mailbox['email'],
                    'formatted' => preg_replace("/^<(.*)>$/i", "$1", $formatted),
                ];
            }
        }
 
        if (Loader::includeModule("sender")
            && !\Bitrix\Sender\Integration\Bitrix24\Service::isCloud())
        {
            $addressFromList = \Bitrix\Sender\MailingChainTable::getEmailFromList();
            $address = new \Bitrix\Main\Mail\Address();
            foreach ($addressFromList as $email)
            {
                $address->set($email);
                $formatted = $address->get();
                if (!$formatted)
                {
                    continue;
                }
 
                $result[] = [
                    'name' => $address->getName(),
                    'email' => $address->getEmail(),
                    'formatted' => preg_replace("/^<(.*)>$/i", "$1", $formatted),
                ];
            }
        }
 
        return $result;
    }
 
    public static function isAllowed($email, $userId = null)
    {
        if ($email == '')
        {
            return false;
        }
 
        $address = new Address();
        $address->set($email);
        $normalizedEmail = $address->getEmail();
        if (!$normalizedEmail)
        {
            return false;
        }
        $normalizedEmail = mb_strtolower($normalizedEmail);
        $allowedSenders = self::getList($userId);
        if (empty(array_filter($allowedSenders, function ($item) use ($normalizedEmail)
        {
            return mb_strtolower($item['email']) === $normalizedEmail;
        })))
        {
            return false;
        }
 
        return true;
    }
}