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<?php
namespace Bitrix\Landing\Connector;
class Disk
{
public const FILE_PREFIX_HREF = '#diskFile';
public const FILE_MASK_HREF = '(file:)?#diskFile([\d]+)';
/**
* Check disk's files within content for read access. If not, remove file's marks.
*
* @param string $content Content.
* @param string|null $oldContent Old content (if exists, found old files will not be replaced).
* @param bool &$replaced True if was replaced.
* @return string
*/
public static function sanitizeContent(string $content, ?string $oldContent = null, bool &$replaced = false): string
{
if (!\Bitrix\Main\Loader::includeModule('disk'))
{
return $content;
}
$existsFiles = [];
if ($oldContent)
{
if (preg_match_all('/' . self::FILE_MASK_HREF . '/i', $oldContent, $matches))
{
foreach ($matches[2] as $objectId)
{
$existsFiles[] = $objectId;
}
}
}
if (preg_match_all('/' . self::FILE_MASK_HREF . '/i', $content, $matches))
{
foreach ($matches[2] as $i => $objectId)
{
if ($oldContent && in_array($objectId, $existsFiles))
{
continue;
}
$file = \Bitrix\Disk\BaseObject::loadById($objectId);
if ($file)
{
$securityContext = $file->getStorage()->getCurrentUserSecurityContext();
if ($file->canRead($securityContext))
{
continue;
}
}
$replaced = true;
$content = str_replace($matches[0][$i], '""', $content);
}
}
return $content;
}
/**
* Returns file's info by Disk's file id.
*
* @param int $objectId Disk's object if (file id).
* @param bool $checkRights True for checking permissions within Disk.
* @param bool $copyInLocalStorage If file in external folder then copies file in local user storage.
* @return array|null
*/
public static function getFileInfo(int $objectId, bool $checkRights = true, bool $copyInLocalStorage = false): ?array
{
if ($objectId && \Bitrix\Main\Loader::includeModule('disk'))
{
$file = \Bitrix\Disk\BaseObject::loadById($objectId);
if ($file)
{
if ($checkRights)
{
$securityContext = $file->getStorage()->getCurrentUserSecurityContext();
if (!$file->canRead($securityContext))
{
return null;
}
}
if ($copyInLocalStorage)
{
$currentUserId = \Bitrix\Landing\Manager::getUserId();
$userStorage = \Bitrix\Disk\Driver::getInstance()->getStorageByUserId($currentUserId);
if (!$userStorage)
{
return null;
}
$folder = $userStorage->getFolderForSavedFiles();
if (!$folder)
{
return null;
}
if (
$file->getStorageId() !== $userStorage->getId() ||
(int)$file->getCreateUser()->getId() !== $currentUserId
)
{
$newFile = $file->getRealObject()->copyTo($folder, $currentUserId, true);
if ($file->getRealObject()->getName() != $file->getName())
{
$newFile->renameInternal($file->getName(), true);
}
if (!$newFile)
{
return null;
}
return [
'ID' => $newFile->getRealObject()->getFileId(),
'OBJECT_ID' => $newFile->getId(),
'NAME' => $newFile->getName()
];
}
}
return [
'ID' => $file->getRealObject()->getFileId(),
'OBJECT_ID' => $file->getId(),
'NAME' => $file->getName()
];
}
}
return null;
}
}