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<?php
use Bitrix\Main\UrlPreview\UrlPreview;
define('STOP_STATISTICS', true);
define('BX_SECURITY_SHOW_MESSAGE', true);
define('BX_SECURITY_SESSION_READONLY', true);
require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php');
global $USER, $APPLICATION;
if(!$USER->IsAuthorized() || !check_bitrix_sessid())
die();
if($_REQUEST['action'] === 'attachUrlPreview')
{
session_write_close();
$urlMetadata = null;
$userFieldId = filter_var($_REQUEST['userFieldId'], FILTER_VALIDATE_INT);
$elementId = filter_var($_REQUEST['elementId'], FILTER_SANITIZE_STRING);
if($userFieldId === false)
{
die();
}
if(isset($_REQUEST['url']))
{
$urlPattern = "~^
(https?://|//)? # protocol (optional)
(([\w\-]+:)?([\w\-]+)@)? # basic auth
([\w\-\.]+?) # hostname or ip address
(:[0-9]+)? # a port (optional)
(/?|/\S+|\?\S*|\#\S*) # a /, nothing, a / with something, a query or a fragment
$~ixu";
$url = $_REQUEST['url'];
$url = trim($url, '!"#$%&\'()*+,-.@:;<=>[\\]^_`{|}~');
if(!preg_match($urlPattern, $url))
die();
if(!\Bitrix\Main\Application::isUtfMode())
$url = \Bitrix\Main\Text\Encoding::convertEncoding($url, 'UTF-8', \Bitrix\Main\Context::getCurrent()->getCulture()->getCharset());
if(UrlPreview::isEnabled())
{
$urlMetadata = UrlPreview::getMetadataByUrl($url, true, false);
}
}
else if(isset($_REQUEST['id']))
{
$signer = new \Bitrix\Main\Security\Sign\Signer();
try
{
$id = $signer->unsign($_REQUEST['id'], UrlPreview::SIGN_SALT);
}
catch (Bitrix\Main\SystemException $e)
{
die();
}
if(UrlPreview::isEnabled())
{
$metadata = UrlPreview::getMetadataAndHtmlByIds(array($id), true);
if(isset($metadata[$id]))
{
$urlMetadata = $metadata[$id];
}
}
}
if(!isset($urlMetadata['ID']))
die();
$userFieldParams = array(
'arUserField' => \CUserTypeEntity::getById($userFieldId),
'urlPreviewId' => $elementId
);
$userField = array(
'VALUE' => array($urlMetadata['ID'])
);
$APPLICATION->ShowAjaxHead();
$outputHtml = UrlPreview::showEdit($userField, $userFieldParams);
echo $outputHtml;
die();
}