154 lines
4.0 KiB
PHP
154 lines
4.0 KiB
PHP
<?php
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/**
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* Upgrade API: File_Upload_Upgrader class
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*
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* @package WordPress
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* @subpackage Upgrader
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* @since 4.6.0
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*/
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/**
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* Core class used for handling file uploads.
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*
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* This class handles the upload process and passes it as if it's a local file
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* to the Upgrade/Installer functions.
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*
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* @since 2.8.0
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* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
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*/
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class File_Upload_Upgrader {
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/**
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* The full path to the file package.
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*
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* @since 2.8.0
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* @access public
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* @var string $package
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*/
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public $package;
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/**
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* The name of the file.
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*
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* @since 2.8.0
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* @access public
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* @var string $filename
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*/
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public $filename;
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/**
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* The ID of the attachment post for this file.
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*
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* @since 3.3.0
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* @access public
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* @var int $id
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*/
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public $id = 0;
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/**
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* Construct the upgrader for a form.
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*
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* @since 2.8.0
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* @access public
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*
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* @param string $form The name of the form the file was uploaded from.
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* @param string $urlholder The name of the `GET` parameter that holds the filename.
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*/
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public function __construct( $form, $urlholder ) {
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if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) )
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wp_die(__('Please select a file'));
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//Handle a newly uploaded file, Else assume it's already been uploaded
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if ( ! empty($_FILES) ) {
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$overrides = array( 'test_form' => false, 'test_type' => false );
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$file = wp_handle_upload( $_FILES[$form], $overrides );
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if ( isset( $file['error'] ) )
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wp_die( $file['error'] );
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if ( 'pluginzip' === $form || 'themezip' === $form ) {
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$archive_is_valid = false;
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/** This filter is documented in wp-admin/includes/file.php */
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if ( class_exists( 'ZipArchive', false ) && apply_filters( 'unzip_file_use_ziparchive', true ) ) {
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$archive = new ZipArchive();
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$archive_is_valid = $archive->open( $file['file'], ZIPARCHIVE::CHECKCONS );
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if ( true === $archive_is_valid ) {
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$archive->close();
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}
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} else {
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require_once ABSPATH . 'wp-admin/includes/class-pclzip.php';
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$archive = new PclZip( $file['file'] );
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$archive_is_valid = is_array( $archive->properties() );
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}
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if ( true !== $archive_is_valid ) {
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wp_delete_file( $file['file'] );
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wp_die( __( 'Incompatible Archive.' ) );
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}
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}
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$this->filename = $_FILES[$form]['name'];
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$this->package = $file['file'];
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// Construct the object array
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$object = array(
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'post_title' => $this->filename,
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'post_content' => $file['url'],
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'post_mime_type' => $file['type'],
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'guid' => $file['url'],
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'context' => 'upgrader',
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'post_status' => 'private'
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);
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// Save the data.
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$this->id = wp_insert_attachment( $object, $file['file'] );
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// Schedule a cleanup for 2 hours from now in case of failed install.
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wp_schedule_single_event( time() + 2 * HOUR_IN_SECONDS, 'upgrader_scheduled_cleanup', array( $this->id ) );
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} elseif ( is_numeric( $_GET[$urlholder] ) ) {
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// Numeric Package = previously uploaded file, see above.
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$this->id = (int) $_GET[$urlholder];
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$attachment = get_post( $this->id );
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if ( empty($attachment) )
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wp_die(__('Please select a file'));
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$this->filename = $attachment->post_title;
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$this->package = get_attached_file( $attachment->ID );
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} else {
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// Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler.
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if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
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wp_die( $uploads['error'] );
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$this->filename = sanitize_file_name( $_GET[ $urlholder ] );
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$this->package = $uploads['basedir'] . '/' . $this->filename;
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if ( 0 !== strpos( realpath( $this->package ), realpath( $uploads['basedir'] ) ) ) {
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wp_die( __( 'Please select a file' ) );
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}
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}
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}
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/**
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* Delete the attachment/uploaded file.
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*
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* @since 3.2.2
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* @access public
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*
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* @return bool Whether the cleanup was successful.
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*/
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public function cleanup() {
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if ( $this->id )
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wp_delete_attachment( $this->id );
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elseif ( file_exists( $this->package ) )
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return @unlink( $this->package );
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return true;
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}
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}
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