/**
* Returns true if current user has read access to the file.
* @param array $params Allowed keys: hash.
* @param int $userId Current user's id.
* @return bool
*/
public static function checkUserReadAccess(array $params, $userId)
{
if (!\Bitrix\Disk\ExternalLink::isValidValueForField('HASH', $params['hash'])) {
//bad hash
return false;
}
$externalLink = \Bitrix\Disk\ExternalLink::load(array('=HASH' => $params['hash']), array('FILE'));
if (!$externalLink || $externalLink->isExpired() || $externalLink->hasPassword()) {
//could not make preview
return false;
}
return true;
}
protected function findLink()
{
$this->externalLink = \Bitrix\Disk\ExternalLink::load(array('=HASH' => $this->hash), array('FILE'));
if (!$this->externalLink || $this->externalLink->isExpired()) {
throw new \Bitrix\Main\SystemException('Invalid external link');
}
return $this;
}
/**
* Check success view file in service.
* @param FileData $fileData
* @return bool
*/
public function checkViewFile(FileData $fileData)
{
if (!$this->checkRequiredInputParams($fileData->toArray(), array('id'))) {
return null;
}
if (!ExternalLink::isValidValueForField('HASH', $fileData->getId(), $this->errorCollection)) {
return false;
}
/** @var ExternalLink $extLinkModel */
$extLinkModel = ExternalLink::load(array('=HASH' => $fileData->getId()));
if (!$extLinkModel) {
$this->errorCollection->add(array(new Error(Loc::getMessage('DISK_GOOGLE_VIEWER_HANDLER_ERROR_COULD_NOT_FIND_EXT_LINK'), self::ERROR_COULD_NOT_FIND_EXT_LINK)));
return null;
}
return (bool) $extLinkModel->getDownloadCount();
}
