usersignature.php

См. документацию.

<?php
 
namespace Bitrix\Mail\Controller;
 
use Bitrix\Mail\Internals\UserSignatureTable;
use Bitrix\Main;
use Bitrix\Main\Engine\CurrentUser;
use Bitrix\Main\Error;
use Bitrix\Main\Localization\Loc;
 
class UserSignature extends Base
{
    const USER_SIGNATURES_LIMIT = 100;

    public function addAction(array $fields)
    {
        $unsafeFields = (array) $this->getRequest()->getPostList()->getRaw('fields');
 
        if (($limit = Main\Config\Option::get('mail', 'user_signatures_limit', static::USER_SIGNATURES_LIMIT)) > 0)
        {
            $count = UserSignatureTable::getCount(array(
                'USER_ID' => CurrentUser::get()->getId(),
            ));
            if ($count >= $limit)
            {
                Loc::loadMessages(__FILE__);
                $this->errorCollection[] = new Error(Loc::getMessage('MAIL_USER_SIGNATURE_LIMIT'));
                return false;
            }
        }
 
        $userSignature = new \Bitrix\Mail\Internals\Entity\UserSignature;
 
        $userSignature->set('USER_ID', CurrentUser::get()->getId());
        $userSignature->set('SENDER', $fields['sender']);
        $userSignature->set('SIGNATURE', $this->sanitize($unsafeFields['signature']));
 
        $result = $userSignature->save();
 
        if($result->isSuccess())
        {
            $userSignature = UserSignatureTable::getById($result->getId())->fetchObject();
            return $this->getAction($userSignature);
        }
        else
        {
            $this->errorCollection = $result->getErrors();
            return false;
        }
    }
 
    protected function checkAccess(\Bitrix\Mail\Internals\Entity\UserSignature $userSignature): bool
    {
        $currentUserId = $this->getCurrentUser()?->getId();
 
        if (!is_null($currentUserId) && (int)$userSignature->getUserId() === (int)$currentUserId)
        {
            return true;
        }
 
        $this->addError(new Error(Loc::getMessage('MAIL_USER_SIGNATURE_ACCESS_DENIED')));
        return false;
    }

    public function deleteAction(\Bitrix\Mail\Internals\Entity\UserSignature $userSignature): bool
    {
        if (!$this->checkAccess($userSignature))
        {
            return false;
        }
 
        $userSignature->delete();
        return true;
    }
 
    public function getAction(\Bitrix\Mail\Internals\Entity\UserSignature $userSignature): bool|array
    {
        if (!$this->checkAccess($userSignature))
        {
            return false;
        }
 
        return [
            'userSignature' => $this->convertArrayKeysToCamel($userSignature->collectValues(), 1),
        ];
    }

    public function updateAction(\Bitrix\Mail\Internals\Entity\UserSignature $userSignature, array $fields): bool|array
    {
        if (!$this->checkAccess($userSignature))
        {
            return false;
        }
 
        $unsafeFields = (array) $this->getRequest()->getPostList()->getRaw('fields');
 
        $userSignature->set('SENDER', $fields['sender']);
        $userSignature->set('SIGNATURE', $this->sanitize($unsafeFields['signature']));
 
        $result = $userSignature->save();
        if($result->isSuccess())
        {
            return $this->getAction($userSignature);
        }
        else
        {
            $this->errorCollection = $result->getErrors();
            return false;
        }
    }
}