<?php
/**
* @brief File Storage Extension: Support Custom Fields
* @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 Nexus
* @since 17 Apr 2014
*/
namespace IPS\nexus\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: Support Custom Fields
*/
class _Support
{
/**
* Count stored files
*
* @return int
*/
public function count()
{
return \IPS\Db::i()->select( 'COUNT(*)', 'nexus_support_fields', array( 'sf_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 )
{
$customFields = \IPS\nexus\Support\CustomField::roots( NULL, NULL, array( 'sf_type=?', 'upload' ) );
if ( count( $customFields ) )
{
$where = array();
$departments = array();
foreach ( $customFields as $field )
{
if ( $field->departments and $field->departments !== '*' )
{
$departments = array_merge( $departments, explode( ',', $field->departments ) );
}
else
{
$where = NULL;
break;
}
}
if ( $where !== NULL )
{
$where = \IPS\Db::i()->in( 'r_department', array_unique( $departments ) );
}
$request = \IPS\Db::i()->select( '*', 'nexus_support_requests', $where, 'r_id', array( $offset, 1 ) )->first();
$fieldValues = json_decode( $request['r_cfields'], TRUE );
foreach ( $fieldValues as $k => $v )
{
if ( array_key_exists( $k, $customFields ) )
{
try
{
$fieldValues[ $k ] = \IPS\File::get( $oldConfiguration ?: 'nexus_Support', $fieldValues[ $k ] )->move( $storageConfiguration );
}
catch( \Exception $e )
{
/* Any issues are logged */
}
}
}
\IPS\Db::i()->update( 'nexus_support_requests', array( 'r_cfields' => json_encode( $fieldValues ) ), array( 'r_id=?', $request['r_id'] ) );
}
throw new \UnderflowException;
}
/**
* 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 )
{
$customFields = \IPS\nexus\Support\CustomField::roots( NULL, NULL, array( 'sf_type=?', 'upload' ) );
if ( count( $customFields ) )
{
$where = array();
$departments = array();
foreach ( $customFields as $field )
{
if ( $field->departments and $field->departments !== '*' )
{
$departments = array_merge( $departments, explode( ',', $field->departments ) );
}
else
{
$where = NULL;
break;
}
}
if ( $where !== NULL )
{
$where = \IPS\Db::i()->in( 'r_department', array_unique( $departments ) );
}
$request = \IPS\Db::i()->select( '*', 'nexus_support_requests', $where, 'r_id', array( $offset, 1 ) )->first();
$fieldValues = json_decode( $request['r_cfields'], TRUE );
foreach ( $fieldValues as $k => $v )
{
if ( array_key_exists( $k, $customFields ) )
{
if ( $new = \IPS\File::repairUrl( $fieldValues[ $k ] ) )
{
$fieldValues[ $k ] = $new;
}
}
}
\IPS\Db::i()->update( 'nexus_support_requests', array( 'r_cfields' => json_encode( $fieldValues ) ), array( 'r_id=?', $request['r_id'] ) );
}
throw new \UnderflowException;
}
/**
* Check if a file is valid
*
* @param string $file The file path to check
* @return bool
*/
public function isValidFile( $file )
{
$customFields = \IPS\nexus\Support\CustomField::roots( NULL, NULL, array( 'sf_type=?', 'upload' ) );
if ( count( $customFields ) )
{
foreach ( \IPS\Db::i()->select( '*', 'nexus_support_requests', array( "r_cfields LIKE ?", "%" . str_replace( '\\', '\\\\', trim( json_encode( (string) $file ), '"' ) . "%" ) ) ) as $request )
{
$fieldValues = json_decode( $request['r_cfields'], TRUE );
foreach ( $customFields as $field )
{
if ( $fieldValues[ $field->id ] == (string) $file )
{
return TRUE;
}
}
}
}
return FALSE;
}
/**
* Delete all stored files
*
* @return void
*/
public function delete()
{
$customFields = \IPS\nexus\Support\CustomField::roots( NULL, NULL, array( 'sf_type=?', 'upload' ) );
if ( count( $customFields ) )
{
$where = array();
$departments = array();
foreach ( $customFields as $field )
{
if ( $field->departments and $field->departments !== '*' )
{
$departments = array_merge( $departments, explode( ',', $departments ) );
}
else
{
$where = NULL;
break;
}
}
if ( $where !== NULL )
{
$where = \IPS\Db::i()->in( 'r_department', array_unique( $departments ) );
}
foreach( \IPS\Db::i()->select( '*', 'nexus_support_requests', $where ) as $request )
{
$fieldValues = json_decode( $request['r_cfields'], TRUE );
foreach ( $fieldValues as $k => $v )
{
if ( array_key_exists( $k, $customFields ) )
{
try
{
\IPS\File::get( 'nexus_Support', $fieldValues[ $k ] )->delete();
}
catch( \Exception $e ){}
}
}
}
}
}
}