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2ec23a82ed
`str_starts_with()` was introduced in PHP 8.0 to perform a case-sensitive check indicating if the string to search in (haystack) begins with the given substring (needle). WordPress core includes a polyfill for `str_starts_with()` on PHP < 8.0 as of WordPress 5.9. This commit replaces `0 === strpos( ... )` with `str_starts_with()` in core files, making the code more readable and consistent, as well as improving performance. While `strpos()` is slightly faster than the polyfill on PHP < 8.0, `str_starts_with()` is noticeably faster on PHP 8.0+, as it is optimized to avoid unnecessarily searching along the whole haystack if it does not find the needle. Follow-up to [52039], [52040], [52326]. Props spacedmonkey, costdev, sabernhardt, mukesh27, desrosj, jorbin, TobiasBg, ayeshrajans, lgadzhev, SergeyBiryukov. Fixes #58012. Built from https://develop.svn.wordpress.org/trunk@55703 git-svn-id: http://core.svn.wordpress.org/trunk@55215 1a063a9b-81f0-0310-95a4-ce76da25c4cd
135 lines
3.3 KiB
PHP
135 lines
3.3 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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#[AllowDynamicProperties]
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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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* @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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* @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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* @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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*
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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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}
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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(
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'test_form' => false,
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'test_type' => false,
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);
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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( $file['error'] );
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}
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$this->filename = $_FILES[ $form ]['name'];
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$this->package = $file['file'];
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// Construct the attachment array.
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$attachment = 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( $attachment, $file['file'] );
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// Schedule a cleanup for 2 hours from now in case of failed installation.
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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( $attachment ) ) {
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wp_die( __( 'Please select a file' ) );
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}
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$this->filename = $attachment->post_title;
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$this->package = get_attached_file( $attachment->ID );
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} else {
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// Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler.
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$uploads = wp_upload_dir();
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if ( ! ( $uploads && false === $uploads['error'] ) ) {
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wp_die( $uploads['error'] );
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}
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$this->filename = sanitize_file_name( $_GET[ $urlholder ] );
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$this->package = $uploads['basedir'] . '/' . $this->filename;
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if ( ! str_starts_with( 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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*
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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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}
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return true;
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}
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}
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