<?php
/**
* @brief File Storage Extension: Files
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @subpackage Downloads
* @since 08 Oct 2013
*/
namespace IPS\downloads\extensions\core\FileStorage;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* File Storage Extension: Files
*/
class _Files
{
/**
* Some file storage engines have the facility to upload private files that need specially signed URLs to download to prevent public access of protected files.
*/
public static $isPrivate = true;
/**
* Count stored files
*
* @return int
*/
public function count()
{
return \IPS\Db::i()->select( 'COUNT(*)', 'downloads_files_records', array( 'record_type=?', 'upload' ) )->first();
}
/**
* Move stored files
*
* @param int $offset This will be sent starting with 0, increasing to get all files stored by this extension
* @param int $storageConfiguration New storage configuration ID
* @param int|NULL $oldConfiguration Old storage configuration ID
* @throws \Underflowexception When file record doesn't exist. Indicating there are no more files to move
* @return void
*/
public function move( $offset, $storageConfiguration, $oldConfiguration=NULL )
{
$record = \IPS\Db::i()->select( '*', 'downloads_files_records', array( 'record_type=?', 'upload' ), 'record_id', array( $offset, 1 ) )->first();
try
{
$file = \IPS\File::get( $oldConfiguration ?: 'downloads_Files', $record['record_location'] )->move( $storageConfiguration );
if ( (string) $file != $record['record_location'] )
{
\IPS\Db::i()->update( 'downloads_files_records', array( 'record_location' => (string) $file ), array( 'record_id=?', $record['record_id'] ) );
}
}
catch( \Exception $e )
{
/* Any issues are logged */
}
}
/**
* Fix all URLs
*
* @param int $offset This will be sent starting with 0, increasing to get all files stored by this extension
* @return void
*/
public function fixUrls( $offset )
{
$record = \IPS\Db::i()->select( '*', 'downloads_files_records', array( 'record_type=?', 'upload' ), 'record_id', array( $offset, 1 ) )->first();
if ( $new = \IPS\File::repairUrl( $record['record_location'] ) )
{
\IPS\Db::i()->update( 'downloads_files_records', array( 'record_location' => $new ), array( 'record_id=?', $record['record_id'] ) );
}
}
/**
* Check if a file is valid
*
* @param string $file The file path to check
* @return bool
*/
public function isValidFile( $file )
{
try
{
$record = \IPS\Db::i()->select( '*', 'downloads_files_records', array( 'record_location=? AND record_type=?', (string) $file, 'upload' ) )->first();
return TRUE;
}
catch ( \UnderflowException $e )
{
return FALSE;
}
}
/**
* Delete all stored files
*
* @return void
*/
public function delete()
{
foreach( \IPS\Db::i()->select( '*', 'downloads_files_records', "record_location IS NOT NULL and record_type='upload'" ) as $file )
{
try
{
\IPS\File::get( 'downloads_Files', $file['record_location'] )->delete();
}
catch( \Exception $e ){}
}
}
}