105 lines
2.5 KiB
PHP
105 lines
2.5 KiB
PHP
<?php
|
||
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
|
||
|
||
/**
|
||
* Class allowing to filter RecursiveDirectoryIterator, to return only files that Imagify can optimize.
|
||
* It also allows to remove forbidden folders.
|
||
*
|
||
* @since 1.7
|
||
* @author Grégory Viguier
|
||
*/
|
||
class Imagify_Files_Recursive_Iterator extends RecursiveFilterIterator {
|
||
|
||
/**
|
||
* Class version.
|
||
*
|
||
* @var string
|
||
* @since 1.7
|
||
* @author Grégory Viguier
|
||
*/
|
||
const VERSION = '1.0.2';
|
||
|
||
/**
|
||
* Filesystem object.
|
||
*
|
||
* @var object Imagify_Filesystem
|
||
* @since 1.7.1
|
||
* @access protected
|
||
* @author Grégory Viguier
|
||
*/
|
||
protected $filesystem;
|
||
|
||
/**
|
||
* Check whether the current element of the iterator is acceptable.
|
||
*
|
||
* @since 1.7.1
|
||
* @access public
|
||
* @author Grégory Viguier
|
||
*
|
||
* @param object $iterator The iterator that is being filtered.
|
||
*/
|
||
public function __construct( $iterator ) {
|
||
parent::__construct( $iterator );
|
||
$this->filesystem = Imagify_Filesystem::get_instance();
|
||
}
|
||
|
||
/**
|
||
* Check whether the current element of the iterator is acceptable.
|
||
*
|
||
* @since 1.7
|
||
* @access public
|
||
* @author Grégory Viguier
|
||
*
|
||
* @return bool Returns whether the current element of the iterator is acceptable through this filter.
|
||
*/
|
||
public function accept(): bool {
|
||
static $extensions, $has_extension_method;
|
||
|
||
$file_path = $this->current()->getPathname();
|
||
|
||
// Prevent triggering an open_basedir restriction error.
|
||
$file_name = $this->filesystem->file_name( $file_path );
|
||
|
||
if ( '.' === $file_name || '..' === $file_name ) {
|
||
return false;
|
||
}
|
||
|
||
if ( $this->current()->isDir() ) {
|
||
$file_path = trailingslashit( $file_path );
|
||
}
|
||
|
||
if ( Imagify_Files_Scan::is_path_forbidden( $file_path ) ) {
|
||
return false;
|
||
}
|
||
|
||
// OK for folders.
|
||
if ( $this->hasChildren() ) {
|
||
return true;
|
||
}
|
||
|
||
// Only files.
|
||
if ( ! $this->current()->isFile() ) {
|
||
return false;
|
||
}
|
||
|
||
// Only files with the required extension.
|
||
if ( ! isset( $extensions ) ) {
|
||
$extensions = array_keys( imagify_get_mime_types() );
|
||
$extensions = implode( '|', $extensions );
|
||
}
|
||
|
||
if ( ! isset( $has_extension_method ) ) {
|
||
// This method was introduced in php 5.3.6.
|
||
$has_extension_method = method_exists( $this->current(), 'getExtension' );
|
||
}
|
||
|
||
if ( $has_extension_method ) {
|
||
$file_extension = strtolower( $this->current()->getExtension() );
|
||
} else {
|
||
$file_extension = strtolower( $this->filesystem->path_info( $file_path, 'extension' ) );
|
||
}
|
||
|
||
return preg_match( '@^' . $extensions . '$@', $file_extension );
|
||
}
|
||
}
|