/**
* download files
*
* outputs file content and set corresponding header params
*
* @param int $id file id
* @return void
*/
public static function download($id, $versionId = null, $asAttachment = true, $forUseId = false)
{
$r = empty($versionId) ? DM\Files::read($id) : DM\FilesVersions::read($versionId);
if (!empty($r)) {
$content = DM\FilesContent::read($r['content_id']);
//check if can download file
if (!Security::canDownload($r['id'], $forUseId)) {
throw new \Exception(L\get('Access_denied'));
}
header('Content-Description: File Transfer');
header('Content-Type: ' . $content['type'] . '; charset=UTF-8');
if ($asAttachment || $content['type'] !== 'application/pdf') {
//purify filename for cases when we have a wrong filename in the system already
header('Content-Disposition: attachment; filename="' . Purify::filename($r['name']) . '"');
}
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . $content['size']);
readfile(Config::get('files_dir') . $content['path'] . DIRECTORY_SEPARATOR . $content['id']);
} else {
throw new \Exception(L\get('Object_not_found'));
}
}
/**
* download files
*
* outputs file content and set corresponding header params
*
* @param int $id file id
* @return void
*/
public static function download($id, $versionId = null, $asAttachment = true, $forUseId = false)
{
$sql = empty($versionId) ? 'SELECT f.id
,f.content_id
,c.path
,f.name
,c.`type`
,c.size
FROM files f
LEFT JOIN files_content c ON f.content_id = c.id
WHERE f.id = $1' : 'SELECT f.file_id `id`
,f.id `version_id`
,f.content_id
,c.path
,f.name
,c.`type`
,c.size
FROM files_versions f
LEFT JOIN files_content c ON f.content_id = c.id
WHERE f.id = $1';
$res = DB\dbQuery($sql, Util\coalesce($versionId, $id)) or die(DB\dbQueryError());
if ($r = $res->fetch_assoc()) {
//check if can download file
if (!Security::canDownload($r['id'], $forUseId)) {
throw new \Exception(L\get('Access_denied'));
}
header('Content-Description: File Transfer');
header('Content-Type: ' . $r['type'] . '; charset=UTF-8');
if ($asAttachment || $r['type'] !== 'application/pdf') {
//purify filename for cases when we have a wrong filename in the system already
header('Content-Disposition: attachment; filename="' . Purify::filename($r['name']) . '"');
}
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . $r['size']);
readfile(Config::get('files_dir') . $r['path'] . DIRECTORY_SEPARATOR . $r['content_id']);
} else {
throw new \Exception(L\get('Object_not_found'));
}
$res->close();
}
