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<?php
/**
* Image optimization management trait
*
* @package LiteSpeed
* @since 7.8
*/
namespace LiteSpeed;
defined( 'WPINC' ) || exit();
/**
* Trait Img_Optm_Manage
*
* Handles image optimization management operations: clean, destroy, rescan, backup, batch_switch, etc.
*/
trait Img_Optm_Manage {
/**
* Check if an attachment has optimization records
*
* @since 7.8
* @access public
* @param int $post_id The attachment post ID.
* @param array|null $metadata Optional. Attachment metadata for file path check.
* @return bool True if has optimization records.
*/
public function has_optm_record( $post_id, $metadata = null ) {
global $wpdb;
if ( ! $post_id ) {
return false;
}
// Check post meta
if ( get_post_meta( $post_id, self::DB_SIZE, true ) || get_post_meta( $post_id, self::DB_SET, true ) ) {
return true;
}
// Check img_optm table (legacy)
if ( $this->__data->tb_exist( 'img_optm' ) ) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(1) FROM `$this->_table_img_optm` WHERE post_id = %d", $post_id ) );
if ( $count > 0 ) {
return true;
}
}
// Check img_optming table
if ( $this->__data->tb_exist( 'img_optming' ) ) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(1) FROM `$this->_table_img_optming` WHERE post_id = %d", $post_id ) );
if ( $count > 0 ) {
return true;
}
}
// Check if optimized files exist (.webp, .avif)
if ( null === $metadata ) {
$metadata = wp_get_attachment_metadata( $post_id );
}
if ( ! empty( $metadata['file'] ) ) {
$short_file_path = $metadata['file'];
if ( $this->__media->info( $short_file_path . '.webp', $post_id ) ) {
return true;
}
if ( $this->__media->info( $short_file_path . '.avif', $post_id ) ) {
return true;
}
}
return false;
}
/**
* Clean up all unfinished queue locally and to Cloud server
*
* @since 2.1.2
* @access public
*/
public function clean() {
global $wpdb;
// Reset img_optm table's queue
if ( $this->__data->tb_exist( 'img_optming' ) ) {
// Get min post id to mark
$q = "SELECT MIN(post_id) FROM `$this->_table_img_optming`";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$min_pid = $wpdb->get_var( $q ) - 1;
if ( $this->_summary['next_post_id'] > $min_pid ) {
$this->_summary['next_post_id'] = $min_pid;
self::save_summary();
}
$q = "DELETE FROM `$this->_table_img_optming`";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$wpdb->query( $q );
}
$msg = __( 'Cleaned up unfinished data successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Reset image counter
*
* @since 7.0
* @access private
*/
private function _reset_counter() {
self::debug( 'reset image optm counter' );
$this->_summary['next_post_id'] = 0;
self::save_summary();
$this->clean();
$msg = __( 'Reset image optimization counter successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Destroy all optimized images
*
* @since 3.0
* @access private
*/
private function _destroy() {
global $wpdb;
self::debug( 'executing DESTROY process' );
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
/**
* Limit images each time before redirection to fix Out of memory issue. #665465
*
* @since 2.9.8
*/
// Start deleting files
$limit = apply_filters( 'litespeed_imgoptm_destroy_max_rows', 500 );
$img_q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID
LIMIT %d,%d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$q = $wpdb->prepare( $img_q, [ $offset * $limit, $limit ] );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $q );
$i = 0;
foreach ( $list as $v ) {
if ( ! $v->post_id ) {
continue;
}
$meta_value = $this->_parse_wp_meta_value( $v );
if ( ! $meta_value ) {
continue;
}
++$i;
$this->tmp_pid = $v->post_id;
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_destroy_optm_file( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
array_map( [ $this, '_destroy_optm_file' ], $meta_value['sizes'] );
}
}
self::debug( 'batch switched images total: ' . $i );
++$offset;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$to_be_continued = $wpdb->get_row( $wpdb->prepare( $img_q, [ $offset * $limit, 1 ] ) );
if ( $to_be_continued ) {
// Check if post_id is beyond next_post_id
self::debug( '[next_post_id] ' . $this->_summary['next_post_id'] . ' [cursor post id] ' . $to_be_continued->post_id );
if ( $to_be_continued->post_id <= $this->_summary['next_post_id'] ) {
self::debug( 'redirecting to next' );
return Router::self_redirect( Router::ACTION_IMG_OPTM, self::TYPE_DESTROY );
}
self::debug( '🎊 Finished destroying' );
}
// Delete postmeta info
$q = "DELETE FROM `$wpdb->postmeta` WHERE meta_key = %s";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$wpdb->query( $wpdb->prepare( $q, self::DB_SIZE ) );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$wpdb->query( $wpdb->prepare( $q, self::DB_SET ) );
// Delete img_optm table
$this->__data->tb_del( 'img_optm' );
$this->__data->tb_del( 'img_optming' );
// Clear options table summary info
self::delete_option( '_summary' );
self::delete_option( self::DB_NEED_PULL );
$msg = __( 'Destroy all optimization data successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Destroy optm file
*
* @since 3.0
* @access private
* @param array $meta_value The meta value array containing file info.
* @param bool $is_ori_file Whether this is the original file.
*/
private function _destroy_optm_file( $meta_value, $is_ori_file = false ) {
$short_file_path = $meta_value['file'];
if ( ! $is_ori_file ) {
$short_file_path = $this->tmp_path . $short_file_path;
}
self::debug( 'deleting ' . $short_file_path );
// del webp
$this->__media->info( $short_file_path . '.webp', $this->tmp_pid ) && $this->__media->del( $short_file_path . '.webp', $this->tmp_pid );
$this->__media->info( $short_file_path . '.optm.webp', $this->tmp_pid ) && $this->__media->del( $short_file_path . '.optm.webp', $this->tmp_pid );
// del avif
$this->__media->info( $short_file_path . '.avif', $this->tmp_pid ) && $this->__media->del( $short_file_path . '.avif', $this->tmp_pid );
$this->__media->info( $short_file_path . '.optm.avif', $this->tmp_pid ) && $this->__media->del( $short_file_path . '.optm.avif', $this->tmp_pid );
$extension = pathinfo( $short_file_path, PATHINFO_EXTENSION );
$local_filename = substr( $short_file_path, 0, -strlen( $extension ) - 1 );
$bk_file = $local_filename . '.bk.' . $extension;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension;
// del optimized ori
if ( $this->__media->info( $bk_file, $this->tmp_pid ) ) {
self::debug( 'deleting optim ori' );
$this->__media->del( $short_file_path, $this->tmp_pid );
$this->__media->rename( $bk_file, $short_file_path, $this->tmp_pid );
}
$this->__media->info( $bk_optm_file, $this->tmp_pid ) && $this->__media->del( $bk_optm_file, $this->tmp_pid );
}
/**
* Rescan to find new generated images
*
* @since 1.6.7
* @access private
*/
private function _rescan() {
// phpcs:ignore Squiz.PHP.NonExecutableCode
exit( 'tobedone' );
// phpcs:disable Squiz.PHP.NonExecutableCode
global $wpdb;
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
$limit = 500;
self::debug( 'rescan images' );
// Get images
$q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->posts` a, `$wpdb->postmeta` b
WHERE a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
AND a.ID = b.post_id
AND b.meta_key = '_wp_attachment_metadata'
ORDER BY a.ID
LIMIT %d, %d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $wpdb->prepare( $q, $offset * $limit, $limit + 1 ) ); // last one is the seed for next batch
if ( ! $list ) {
$msg = __( 'Rescanned successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
self::debug( 'rescan bypass: no gathered image found' );
return;
}
if ( count( $list ) === $limit + 1 ) {
$to_be_continued = true;
array_pop( $list ); // last one is the seed for next round, discard here.
} else {
$to_be_continued = false;
}
// Prepare post_ids to inquery gathered images
$pid_set = [];
$scanned_list = [];
foreach ( $list as $v ) {
$meta_value = $this->_parse_wp_meta_value( $v );
if ( ! $meta_value ) {
continue;
}
$scanned_list[] = [
'pid' => $v->post_id,
'meta' => $meta_value,
];
$pid_set[] = $v->post_id;
}
// Build gathered images
$q = "SELECT src, post_id FROM `$this->_table_img_optm` WHERE post_id IN (" . implode( ',', array_fill( 0, count( $pid_set ), '%d' ) ) . ')';
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $wpdb->prepare( $q, $pid_set ) );
foreach ( $list as $v ) {
$this->_existed_src_list[] = $v->post_id . '.' . $v->src;
}
// Find new images
foreach ( $scanned_list as $v ) {
$meta_value = $v['meta'];
// Parse all child src and put them into $this->_img_in_queue, missing ones to $this->_img_in_queue_missed
$this->tmp_pid = $v['pid'];
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_append_img_queue( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
foreach ( $meta_value['sizes'] as $img_size_name => $img_size ) {
$this->_append_img_queue( $img_size, false, $img_size_name );
}
}
}
self::debug( 'rescanned [img] ' . count( $this->_img_in_queue ) );
$count = count( $this->_img_in_queue );
if ( $count > 0 ) {
// Save to DB
$this->_save_raw();
}
if ( $to_be_continued ) {
return Router::self_redirect( Router::ACTION_IMG_OPTM, self::TYPE_RESCAN );
}
$msg = $count ? sprintf( __( 'Rescanned %d images successfully.', 'litespeed-cache' ), $count ) : __( 'Rescanned successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
// phpcs:enable Squiz.PHP.NonExecutableCode
}
/**
* Calculate bkup original images storage
*
* @since 2.2.6
* @access private
*/
private function _calc_bkup() {
global $wpdb;
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
$limit = 500;
if ( ! $offset ) {
$this->_summary['bk_summary'] = [
'date' => time(),
'count' => 0,
'sum' => 0,
];
}
$img_q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID
LIMIT %d,%d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$q = $wpdb->prepare( $img_q, [ $offset * $limit, $limit ] );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $q );
foreach ( $list as $v ) {
if ( ! $v->post_id ) {
continue;
}
$meta_value = $this->_parse_wp_meta_value( $v );
if ( ! $meta_value ) {
continue;
}
$this->tmp_pid = $v->post_id;
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_get_bk_size( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
array_map( [ $this, '_get_bk_size' ], $meta_value['sizes'] );
}
}
$this->_summary['bk_summary']['date'] = time();
self::save_summary();
self::debug( '_calc_bkup total: ' . $this->_summary['bk_summary']['count'] . ' [size] ' . $this->_summary['bk_summary']['sum'] );
++$offset;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$to_be_continued = $wpdb->get_row( $wpdb->prepare( $img_q, [ $offset * $limit, 1 ] ) );
if ( $to_be_continued ) {
return Router::self_redirect( Router::ACTION_IMG_OPTM, self::TYPE_CALC_BKUP );
}
$msg = __( 'Calculated backups successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Calculate single size
*
* @since 2.2.6
* @access private
* @param array $meta_value The meta value array containing file info.
* @param bool $is_ori_file Whether this is the original file.
*/
private function _get_bk_size( $meta_value, $is_ori_file = false ) {
$short_file_path = $meta_value['file'];
if ( ! $is_ori_file ) {
$short_file_path = $this->tmp_path . $short_file_path;
}
$extension = pathinfo( $short_file_path, PATHINFO_EXTENSION );
$local_filename = substr( $short_file_path, 0, -strlen( $extension ) - 1 );
$bk_file = $local_filename . '.bk.' . $extension;
$img_info = $this->__media->info( $bk_file, $this->tmp_pid );
if ( ! $img_info ) {
return;
}
++$this->_summary['bk_summary']['count'];
$this->_summary['bk_summary']['sum'] += $img_info['size'];
}
/**
* Delete bkup original images storage
*
* @since 2.5
* @access public
*/
public function rm_bkup() {
global $wpdb;
if ( ! $this->__data->tb_exist( 'img_optming' ) ) {
return;
}
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
$limit = 500;
if ( empty( $this->_summary['rmbk_summary'] ) ) {
$this->_summary['rmbk_summary'] = [
'date' => time(),
'count' => 0,
'sum' => 0,
];
}
$img_q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID
LIMIT %d,%d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$q = $wpdb->prepare( $img_q, [ $offset * $limit, $limit ] );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $q );
foreach ( $list as $v ) {
if ( ! $v->post_id ) {
continue;
}
$meta_value = $this->_parse_wp_meta_value( $v );
if ( ! $meta_value ) {
continue;
}
$this->tmp_pid = $v->post_id;
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_del_bk_file( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
array_map( [ $this, '_del_bk_file' ], $meta_value['sizes'] );
}
}
$this->_summary['rmbk_summary']['date'] = time();
self::save_summary();
self::debug( 'rm_bkup total: ' . $this->_summary['rmbk_summary']['count'] . ' [size] ' . $this->_summary['rmbk_summary']['sum'] );
++$offset;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$to_be_continued = $wpdb->get_row( $wpdb->prepare( $img_q, [ $offset * $limit, 1 ] ) );
if ( $to_be_continued ) {
return Router::self_redirect( Router::ACTION_IMG_OPTM, self::TYPE_RM_BKUP );
}
$msg = __( 'Removed backups successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Delete single file
*
* @since 2.5
* @access private
* @param array $meta_value The meta value array containing file info.
* @param bool $is_ori_file Whether this is the original file.
*/
private function _del_bk_file( $meta_value, $is_ori_file = false ) {
$short_file_path = $meta_value['file'];
if ( ! $is_ori_file ) {
$short_file_path = $this->tmp_path . $short_file_path;
}
$extension = pathinfo( $short_file_path, PATHINFO_EXTENSION );
$local_filename = substr( $short_file_path, 0, -strlen( $extension ) - 1 );
$bk_file = $local_filename . '.bk.' . $extension;
$img_info = $this->__media->info( $bk_file, $this->tmp_pid );
if ( ! $img_info ) {
return;
}
++$this->_summary['rmbk_summary']['count'];
$this->_summary['rmbk_summary']['sum'] += $img_info['size'];
$this->__media->del( $bk_file, $this->tmp_pid );
}
/**
* Count images
*
* @since 1.6
* @access public
* @return array Image count data.
*/
public function img_count() {
global $wpdb;
$q = "SELECT count(*)
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$groups_all = $wpdb->get_var( $q );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$groups_new = $wpdb->get_var( $q . ' AND ID>' . (int) $this->_summary['next_post_id'] . ' ORDER BY ID' );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$groups_done = $wpdb->get_var( $q . ' AND ID<=' . (int) $this->_summary['next_post_id'] . ' ORDER BY ID' );
$q = "SELECT b.post_id
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID DESC
LIMIT 1
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$max_id = $wpdb->get_var( $q );
$count_list = [
'max_id' => $max_id,
'groups_all' => $groups_all,
'groups_new' => $groups_new,
'groups_done' => $groups_done,
];
// images count from work table
if ( $this->__data->tb_exist( 'img_optming' ) ) {
$q = "SELECT COUNT(DISTINCT post_id),COUNT(*) FROM `$this->_table_img_optming` WHERE optm_status = %d";
$groups_to_check = [ self::STATUS_RAW, self::STATUS_REQUESTED, self::STATUS_NOTIFIED, self::STATUS_ERR_FETCH ];
foreach ( $groups_to_check as $v ) {
$count_list[ 'img.' . $v ] = 0;
$count_list[ 'group.' . $v ] = 0;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
list( $count_list[ 'group.' . $v ], $count_list[ 'img.' . $v ] ) = $wpdb->get_row( $wpdb->prepare( $q, $v ), ARRAY_N );
}
}
return $count_list;
}
/**
* Check if fetch cron is running
*
* @since 1.6.2
* @access public
* @param bool $bool_res Whether to return boolean result.
* @return bool|array Boolean result or array with last run time and status.
*/
public function cron_running( $bool_res = true ) {
$last_run = ! empty( $this->_summary['last_pull'] ) ? $this->_summary['last_pull'] : 0;
$is_running = $last_run && time() - $last_run < 120;
if ( $bool_res ) {
return $is_running;
}
return [ $last_run, $is_running ];
}
/**
* Update fetch cron timestamp tag
*
* @since 1.6.2
* @access private
* @param bool $done Whether the cron job is done.
*/
private function _update_cron_running( $done = false ) {
$this->_summary['last_pull'] = time();
if ( $done ) {
// Only update cron tag when its from the active running cron
if ( $this->_cron_ran ) {
// Rollback for next running
$this->_summary['last_pull'] -= 120;
} else {
return;
}
}
self::save_summary();
$this->_cron_ran = true;
}
/**
* Batch switch images to ori/optm version
*
* @since 1.6.2
* @access public
* @param string $type The switch type (batch_switch_ori or batch_switch_optm).
*/
public function batch_switch( $type ) {
if ( defined( 'LITESPEED_CLI' ) || wp_doing_cron() ) {
$offset = 0;
while ( 'done' !== $offset ) {
Admin_Display::info( "Starting switch to $type [offset] $offset" );
$offset = $this->_batch_switch( $type, $offset );
}
} else {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
$new_offset = $this->_batch_switch( $type, $offset );
if ( 'done' !== $new_offset ) {
return Router::self_redirect( Router::ACTION_IMG_OPTM, $type );
}
}
$msg = __( 'Switched images successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
/**
* Switch images per offset
*
* @since 1.6.2
* @access private
* @param string $type The switch type.
* @param int $offset The current offset.
* @return int|string Next offset or 'done'.
*/
private function _batch_switch( $type, $offset ) {
global $wpdb;
$limit = 500;
$this->tmp_type = $type;
$img_q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->posts` a
LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
WHERE b.meta_key = '_wp_attachment_metadata'
AND a.post_type = 'attachment'
AND a.post_status = 'inherit'
AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID
LIMIT %d,%d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$q = $wpdb->prepare( $img_q, [ $offset * $limit, $limit ] );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $q );
$i = 0;
foreach ( $list as $v ) {
if ( ! $v->post_id ) {
continue;
}
$meta_value = $this->_parse_wp_meta_value( $v );
if ( ! $meta_value ) {
continue;
}
++$i;
$this->tmp_pid = $v->post_id;
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_switch_bk_file( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
array_map( [ $this, '_switch_bk_file' ], $meta_value['sizes'] );
}
}
self::debug( 'batch switched images total: ' . $i . ' [type] ' . $type );
++$offset;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$to_be_continued = $wpdb->get_row( $wpdb->prepare( $img_q, [ $offset * $limit, 1 ] ) );
if ( $to_be_continued ) {
return $offset;
}
return 'done';
}
/**
* Switch backup file between original and optimized
*
* @since 1.6.2
* @access private
* @param array $meta_value The meta value array containing file info.
* @param bool $is_ori_file Whether this is the original file.
*/
private function _switch_bk_file( $meta_value, $is_ori_file = false ) {
$short_file_path = $meta_value['file'];
if ( ! $is_ori_file ) {
$short_file_path = $this->tmp_path . $short_file_path;
}
$extension = pathinfo( $short_file_path, PATHINFO_EXTENSION );
$local_filename = substr( $short_file_path, 0, -strlen( $extension ) - 1 );
$bk_file = $local_filename . '.bk.' . $extension;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension;
// self::debug('_switch_bk_file ' . $bk_file . ' [type] ' . $this->tmp_type);
// switch to ori
if ( self::TYPE_BATCH_SWITCH_ORI === $this->tmp_type || 'orig' === $this->tmp_type ) {
// self::debug('switch to orig ' . $bk_file);
if ( ! $this->__media->info( $bk_file, $this->tmp_pid ) ) {
return;
}
$this->__media->rename( $local_filename . '.' . $extension, $bk_optm_file, $this->tmp_pid );
$this->__media->rename( $bk_file, $local_filename . '.' . $extension, $this->tmp_pid );
} elseif ( self::TYPE_BATCH_SWITCH_OPTM === $this->tmp_type || 'optm' === $this->tmp_type ) {
// switch to optm
// self::debug('switch to optm ' . $bk_file);
if ( ! $this->__media->info( $bk_optm_file, $this->tmp_pid ) ) {
return;
}
$this->__media->rename( $local_filename . '.' . $extension, $bk_file, $this->tmp_pid );
$this->__media->rename( $bk_optm_file, $local_filename . '.' . $extension, $this->tmp_pid );
}
}
/**
* Switch image between original one and optimized one
*
* @since 1.6.2
* @access private
* @param string $type The switch type (webpXXX, avifXXX, or origXXX where XXX is the post ID).
*/
private function _switch_optm_file( $type ) {
Admin_Display::success( __( 'Switched to optimized file successfully.', 'litespeed-cache' ) );
return;
// phpcs:disable Squiz.PHP.NonExecutableCode
global $wpdb;
$pid = substr( $type, 4 );
$switch_type = substr( $type, 0, 4 );
$q = "SELECT src,post_id FROM `$this->_table_img_optm` WHERE post_id = %d AND optm_status = %d";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $wpdb->prepare( $q, [ $pid, self::STATUS_PULLED ] ) );
$msg = 'Unknown Msg';
foreach ( $list as $v ) {
// to switch webp file
if ( 'webp' === $switch_type ) {
if ( $this->__media->info( $v->src . '.webp', $v->post_id ) ) {
$this->__media->rename( $v->src . '.webp', $v->src . '.optm.webp', $v->post_id );
self::debug( 'Disabled WebP: ' . $v->src );
$msg = __( 'Disabled WebP file successfully.', 'litespeed-cache' );
} elseif ( $this->__media->info( $v->src . '.optm.webp', $v->post_id ) ) {
$this->__media->rename( $v->src . '.optm.webp', $v->src . '.webp', $v->post_id );
self::debug( 'Enable WebP: ' . $v->src );
$msg = __( 'Enabled WebP file successfully.', 'litespeed-cache' );
}
} elseif ( 'avif' === $switch_type ) {
// to switch avif file
if ( $this->__media->info( $v->src . '.avif', $v->post_id ) ) {
$this->__media->rename( $v->src . '.avif', $v->src . '.optm.avif', $v->post_id );
self::debug( 'Disabled AVIF: ' . $v->src );
$msg = __( 'Disabled AVIF file successfully.', 'litespeed-cache' );
} elseif ( $this->__media->info( $v->src . '.optm.avif', $v->post_id ) ) {
$this->__media->rename( $v->src . '.optm.avif', $v->src . '.avif', $v->post_id );
self::debug( 'Enable AVIF: ' . $v->src );
$msg = __( 'Enabled AVIF file successfully.', 'litespeed-cache' );
}
} else {
// to switch original file
$extension = pathinfo( $v->src, PATHINFO_EXTENSION );
$local_filename = substr( $v->src, 0, -strlen( $extension ) - 1 );
$bk_file = $local_filename . '.bk.' . $extension;
$bk_optm_file = $local_filename . '.bk.optm.' . $extension;
// revert ori back
if ( $this->__media->info( $bk_file, $v->post_id ) ) {
$this->__media->rename( $v->src, $bk_optm_file, $v->post_id );
$this->__media->rename( $bk_file, $v->src, $v->post_id );
self::debug( 'Restore original img: ' . $bk_file );
$msg = __( 'Restored original file successfully.', 'litespeed-cache' );
} elseif ( $this->__media->info( $bk_optm_file, $v->post_id ) ) {
$this->__media->rename( $v->src, $bk_file, $v->post_id );
$this->__media->rename( $bk_optm_file, $v->src, $v->post_id );
self::debug( 'Switch to optm img: ' . $v->src );
$msg = __( 'Switched to optimized file successfully.', 'litespeed-cache' );
}
}
}
Admin_Display::success( $msg );
// phpcs:enable Squiz.PHP.NonExecutableCode
}
/**
* Delete one optm data and recover original file
*
* @since 2.4.2
* @access public
* @param int $post_id The post ID to reset.
* @param bool $silent Whether to suppress success message. Default false.
*/
public function reset_row( $post_id, $silent = false ) {
global $wpdb;
if ( ! $post_id ) {
return;
}
self::debug( '_reset_row [pid] ' . $post_id );
// TODO: Load image sub files
$img_q = "SELECT b.post_id, b.meta_value
FROM `$wpdb->postmeta` b
WHERE b.post_id =%d AND b.meta_key = '_wp_attachment_metadata'";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$q = $wpdb->prepare( $img_q, [ $post_id ] );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$v = $wpdb->get_row( $q );
$meta_value = $this->_parse_wp_meta_value( $v );
if ( $meta_value ) {
$this->tmp_pid = $v->post_id;
$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
$this->_destroy_optm_file( $meta_value, true );
if ( ! empty( $meta_value['sizes'] ) ) {
array_map( [ $this, '_destroy_optm_file' ], $meta_value['sizes'] );
}
}
delete_post_meta( $post_id, self::DB_SIZE );
delete_post_meta( $post_id, self::DB_SET );
// Delete records from img_optm and img_optming tables
if ( $this->__data->tb_exist( 'img_optm' ) ) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$wpdb->query( $wpdb->prepare( "DELETE FROM `$this->_table_img_optm` WHERE post_id = %d", $post_id ) );
}
if ( $this->__data->tb_exist( 'img_optming' ) ) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$wpdb->query( $wpdb->prepare( "DELETE FROM `$this->_table_img_optming` WHERE post_id = %d", $post_id ) );
}
if ( ! $silent ) {
$msg = __( 'Reset the optimized data successfully.', 'litespeed-cache' );
Admin_Display::success( $msg );
}
}
/**
* Show an image's optm status
*
* @since 1.6.5
* @access public
* @return array Response data with image info.
*/
public function check_img() {
global $wpdb;
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$pid = isset( $_POST['data'] ) ? absint( wp_unslash( $_POST['data'] ) ) : 0;
self::debug( 'Check image [ID] ' . $pid );
$data = [];
$data['img_count'] = $this->img_count();
$data['optm_summary'] = self::get_summary();
$data['_wp_attached_file'] = get_post_meta( $pid, '_wp_attached_file', true );
$data['_wp_attachment_metadata'] = get_post_meta( $pid, '_wp_attachment_metadata', true );
// Get img_optm data
$q = "SELECT * FROM `$this->_table_img_optm` WHERE post_id = %d";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $wpdb->prepare( $q, $pid ) );
$img_data = [];
if ( $list ) {
foreach ( $list as $v ) {
$img_data[] = [
'id' => $v->id,
'optm_status' => $v->optm_status,
'src' => $v->src,
'srcpath_md5' => $v->srcpath_md5,
'src_md5' => $v->src_md5,
'server_info' => $v->server_info,
];
}
}
$data['img_data'] = $img_data;
return [
'_res' => 'ok',
'data' => $data,
];
}
}