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<?php namespace Smush\Core\Backups; use Smush\Core\Controller; use Smush\Core\Core; use Smush\Core\File_System; use Smush\Core\Helper; use Smush\Core\Media\Media_Item_Cache; use Smush\Core\Media\Media_Item_Optimizer; use Smush\Core\Product_Analytics\Product_Analytics; use Smush\Core\Settings; use WP_Smush; class Backups_Controller extends Controller { /** * @var Media_Item_Cache / private $media_item_cache; /* * @var \WDEV_Logger\|null / private $logger; /* * @var File_System / private $fs; /* * @var Backups / private $backups; public function __construct() { $this->media_item_cache = Media_Item_Cache::get_instance(); $this->logger = Helper::logger(); $this->fs = new File_System(); $this->backups = new Backups(); $this->register_action( 'wp_ajax_smush_restore_image', array( $this, 'handle_restore_ajax' ) ); $this->register_action( 'delete_attachment', array( $this, 'delete_backup_file' ) ); $this->register_action( 'wp_ajax_restore_step', array( $this, 'restore_step' ) ); $this->register_action( 'wp_ajax_get_image_count', array( $this, 'get_image_count' ) ); } public function handle_restore_ajax() { if ( empty( $_POST['attachment_id'] ) \|\| empty( $_POST['_nonce'] ) ) { wp_send_json_error( array( 'error_msg' => esc_html__( 'Error in processing restore action, fields empty.', 'wp-smushit' ), ) ); } $nonce_value = filter_input( INPUT_POST, '_nonce', FILTER_SANITIZE_SPECIAL_CHARS ); $attachment_id = filter_input( INPUT_POST, 'attachment_id', FILTER_SANITIZE_NUMBER_INT ); if ( ! wp_verify_nonce( $nonce_value, "wp-smush-restore-$attachment_id" ) ) { wp_send_json_error( array( 'error_msg' => esc_html__( 'Image not restored, nonce verification failed.', 'wp-smushit' ), ) ); } // Check capability. // TODO: change Helper::is_user_allowed to a non static method if ( ! Helper::is_user_allowed( 'upload_files' ) ) { wp_send_json_error( array( 'error_msg' => esc_html__( "You don't have permission to work with uploaded files.", 'wp-smushit' ), ) ); } $attachment_id = (int) $attachment_id; $media_item = Media_Item_Cache::get_instance()->get( $attachment_id ); if ( ! $media_item->is_mime_type_supported() ) { wp_send_json_error( array( 'error_msg' => $media_item->get_errors()->get_error_message(), ) ); } $optimizer = new Media_Item_Optimizer( $media_item ); $restored = $optimizer->restore(); $this->track_single_image_restore( $restored, $optimizer ); if ( ! $restored ) { wp_send_json_error( array( 'error_msg' => esc_html__( 'Unable to restore image', 'wp-smushit' ), ) ); } $button_html = WP_Smush::get_instance()->library()->generate_markup( $attachment_id ); $file_path = $media_item->get_main_size()->get_file_path(); $size = $this->fs->file_exists( $file_path ) ? $this->fs->filesize( $file_path ) : 0; if ( $size > 0 ) { $update_size = size_format( $size ); } wp_send_json_success( array( 'stats' => $button_html, 'new_size' => isset( $update_size ) ? $update_size : 0, ) ); } private function track_single_image_restore( $restored, $optimizer ) { $restoration_errors = $optimizer->get_restoration_errors(); $missing_backup_detected = ! $restored && ! empty( $restoration_errors->get_error_message( 'missing_backup' ) ); $limit_per_day = 10; Product_Analytics::get_instance()->maybe_track( 'Single Image Restore', array( 'Total images restored' => $restored ? 1 : 0, 'Total images' => 1, 'Backup not found' => $missing_backup_detected ? 1 : 0, 'Backup Status' => Settings::get_instance()->is_backup_active() ? 'Enabled' : 'Disabled', ), $limit_per_day ); } public function delete_backup_file( $attachment_id ) { $media_item = $this->media_item_cache->get( $attachment_id ); if ( $media_item->is_valid() && $media_item->get_default_backup_size() ) { // Delete the file $default_backup_path = $media_item->get_default_backup_size()->get_file_path(); if ( $this->fs->file_exists( $default_backup_path ) ) { $this->fs->unlink( $default_backup_path ); } // Delete the meta $media_item->remove_default_backup_size(); $media_item->save(); } else { $this->logger->error( sprintf( 'Count not delete webp versions of the media item [%d]', $attachment_id ) ); } } /* * Bulk restore images from the modal. * * @since 3.2.2 / public function restore_step() { check_ajax_referer( 'smush_bulk_restore' ); // Check for permission. if ( ! Helper::is_user_allowed() ) { wp_die( esc_html__( 'Unauthorized', 'wp-smushit' ), 403 ); } $id = filter_input( INPUT_POST, 'item', FILTER_SANITIZE_NUMBER_INT, FILTER_NULL_ON_FAILURE ); $media_item = Media_Item_Cache::get_instance()->get( $id ); if ( ! $media_item->is_mime_type_supported() ) { wp_send_json_error( array( / translators: %s: Error message / 'error_msg' => sprintf( esc_html__( 'Image not restored. %s', 'wp-smushit' ), $media_item->get_errors()->get_error_message() ), ) ); } $optimizer = new Media_Item_Optimizer( $media_item ); $status = $id && $optimizer->restore(); $file_name = $media_item->get_full_or_scaled_size()->get_file_name(); wp_send_json_success( array( 'success' => $status, 'src' => ! empty( $file_name ) ? $file_name : __( 'Error getting file name', 'wp-smushit' ), 'thumb' => wp_get_attachment_image( $id ), 'link' => $media_item->get_edit_link(), 'error_code' => $status ? '' : $optimizer->get_restoration_errors()->get_error_code(), ) ); } /* * Get the number of attachments that can be restored. * * @since 3.2.2 */ public function get_image_count() { check_ajax_referer( 'smush_bulk_restore' ); // Check for permission. if ( ! Helper::is_user_allowed() ) { wp_die( esc_html__( 'Unauthorized', 'wp-smushit' ), 403 ); } wp_send_json_success( array( 'items' => $this->backups->count_attachments_with_backups(), ) ); } }

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