<?php
/**
* @brief File Storage Extension: Attachment
* @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
* @since 23 Sep 2013
*/
namespace IPS\core\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: Attachment
*/
class _Attachment
{
/**
* Count stored files
*
* @return int
*/
public function count()
{
return \IPS\Db::i()->select( 'MAX(attach_id)', 'core_attachments' )->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|int An offset integer to use on the next cycle, or nothing
*/
public function move( $offset, $storageConfiguration, $oldConfiguration=NULL )
{
$attachment = \IPS\Db::i()->select( '*', 'core_attachments', array( 'attach_id > ?', $offset ), 'attach_id', array( 0, 1 ) )->first();
try
{
$file = \IPS\File::get( $oldConfiguration ?: 'core_Attachment', $attachment['attach_location'] )->move( $storageConfiguration );
$thumb = NULL;
if ( $attachment['attach_thumb_location'] )
{
$thumb = \IPS\File::get( $oldConfiguration ?: 'core_Attachment', $attachment['attach_thumb_location'] )->move( $storageConfiguration );
}
if ( (string) $file != $attachment['attach_location'] or (string) $thumb != $attachment['attach_thumb_location'] )
{
\IPS\Db::i()->update( 'core_attachments', array( 'attach_location' => (string) $file, 'attach_thumb_location' => (string) $thumb ), array( 'attach_id=?', $attachment['attach_id'] ) );
}
}
catch( \Exception $e )
{
/* Any issues are logged and the \IPS\Db::i()->update not run as the exception is thrown */
}
return $attachment['attach_id'];
}
/**
* Check if a file is valid
*
* @param string $file The file path to check
* @return bool
*/
public function isValidFile( $file )
{
try
{
$attachment = \IPS\Db::i()->select( '*', 'core_attachments', array( 'attach_location=? OR attach_thumb_location=?', (string) $file, (string) $file ) )->first();
return TRUE;
}
catch ( \UnderflowException $e )
{
return FALSE;
}
}
/**
* Delete all stored files
*
* @return void
*/
public function delete()
{
foreach( \IPS\Db::i()->select( '*', 'core_attachments', 'attach_location IS NOT NULL' ) as $attachment )
{
try
{
\IPS\File::get( 'core_Attachment', $attachment['attach_location'] )->delete();
}
catch( \Exception $e ){}
}
}
/**
* 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 )
{
$attachment = \IPS\Db::i()->select( '*', 'core_attachments', array( 'attach_id > ?', $offset ), 'attach_id', array( 0, 1 ) )->first();
try
{
$fixed = array();
foreach( array( 'attach_location', 'attach_thumb_location' ) as $location )
{
if ( $new = \IPS\File::repairUrl( $attachment[ $location ] ) )
{
$fixed[ $location ] = $new;
}
}
if ( count( $fixed ) )
{
\IPS\Db::i()->update( 'core_attachments', $fixed, array( 'attach_id=?', $attachment['attach_id'] ) );
}
}
catch( \Exception $e )
{
/* Any issues are logged and the \IPS\Db::i()->update not run as the exception is thrown */
}
return $attachment['attach_id'];
}
}