| Current Path : /storage/v11800/affypharma/public_html/wp-content/plugins/elementor/core/files/file-types/ |
Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/affypharma/public_html/wp-content/plugins/elementor/core/files/file-types/zip.php |
<?php
namespace Elementor\Core\Files\File_Types;
use Elementor\Core\Base\Document;
use Elementor\Core\Utils\Exceptions;
use Elementor\Plugin;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Elementor File Types Base.
*
* The File Types Base class provides base methods used by all file type handler classes.
* These methods are used in file upl
*
* @since 3.3.0
*/
class Zip extends Base {
/**
* Get File Extension
*
* Returns the file type's file extension
*
* @since 3.3.0
*
* @return string - file extension
*/
public function get_file_extension() {
return 'zip';
}
/**
* Get Mime Type
*
* Returns the file type's mime type
*
* @since 3.5.0
*
* @return string mime type
*/
public function get_mime_type() {
return 'application/zip';
}
/**
* Get File Property Name
*
* Get the property name to look for in the $_FILES superglobal
*
* @since 3.3.0
*
* @return string
*/
public function get_file_property_name() {
return 'zip_upload';
}
/**
* Extract
*
* Performs the extraction of the zip files to a temporary directory.
* Returns an error if for some reason the ZipArchive utility isn't available.
* Otherwise, Returns an array containing the temporary extraction directory, and the list of extracted files.
*
* @since 3.3.0
*
* @param string $file_path
* @param array|null $allowed_file_types
* @return array|\WP_Error
*/
public function extract( $file_path, $allowed_file_types ) {
if ( ! class_exists( '\ZipArchive' ) ) {
return new \WP_Error( 'zip_error', 'PHP Zip extension not loaded' );
}
$zip = new \ZipArchive();
/**
* Zip Extraction Directory
*
* Filters the extraction directory for uploaded zip files.
*
* @since 3.6.0
*
* @param string $extraction_directory A temporary upload directory generated by Elementor's Uploads Manager
*/
$extraction_directory = apply_filters( 'elementor/files/zip/extraction-directory', '' );
if ( ! $extraction_directory ) {
$extraction_directory = Plugin::$instance->uploads_manager->create_unique_dir();
}
$zip->open( $file_path );
// if an array of allowed file types is provided, get the filtered file list to extract.
$allowed_files = $allowed_file_types ? $this->get_allowed_files( $zip, $allowed_file_types ) : null;
$zip->extractTo( $extraction_directory, $allowed_files );
$zip->close();
return [
'extraction_directory' => $extraction_directory,
'files' => $this->find_temp_files( $extraction_directory ),
];
}
/**
* Get Allowed Files
*
* Accepts a zipArchive instance and an array of allowed file types. Iterates over the zip archive's files and
* checks if their extensions are in the list of allowed file types. Returns an array containing all valid files.
*
* @since 3.3.0
*
* @param \ZipArchive $zip
* @param array $allowed_file_types
* @return array
*/
private function get_allowed_files( $zip, $allowed_file_types ) {
$allowed_files = [];
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
for ( $i = 0; $i < $zip->numFiles; $i++ ) {
$filename = $zip->getNameIndex( $i );
$extension = pathinfo( $filename, PATHINFO_EXTENSION );
// Skip files with transversal paths.
if ( strpos( $filename, '..' ) !== false ) {
continue;
}
if ( in_array( $extension, $allowed_file_types, true ) ) {
$allowed_files[] = $filename;
}
}
return $allowed_files;
}
/**
* Find temporary files.
*
* Recursively finds a list of temporary files from the extracted zip file.
*
* Example return data:
*
* [
* 0 => '/www/wp-content/uploads/elementor/tmp/5eb3a7a411d44/templates/block-2-col-marble-title.json',
* 1 => '/www/wp-content/uploads/elementor/tmp/5eb3a7a411d44/templates/block-2-col-text-and-photo.json',
* ]
*
* @since 2.9.8
* @access private
*
* @param string $temp_path - The temporary file path to scan for template files
*
* @return array An array of temporary files on the filesystem
*/
private function find_temp_files( $temp_path ) {
$file_names = [];
$possible_file_names = array_diff( scandir( $temp_path ), [ '.', '..' ] );
// Find nested files in the unzipped path. This happens for example when the user imports a Website Kit.
foreach ( $possible_file_names as $possible_file_name ) {
$full_possible_file_name = $temp_path . $possible_file_name;
if ( is_dir( $full_possible_file_name ) ) {
$file_names = array_merge( $file_names, $this->find_temp_files( $full_possible_file_name . '/' ) );
} else {
$file_names[] = $full_possible_file_name;
}
}
return $file_names;
}
}