?AlkantarClanX12
Your IP : 216.73.217.134
<?php
/**
* BackWPup backups admin page.
*
* @package BackWPup
*/
final class BackWPup_Page_Backups extends WP_List_Table {
/**
* Nonce action for list sorting.
*/
private const LIST_NONCE_ACTION = 'backwpup_backups_list';
/**
* List table instance.
*
* @var self|null
*/
private static $listtable;
/**
* Destinations list.
*
* @var array
*/
private $destinations = [];
/**
* Current job ID.
*
* @var int
*/
private $jobid = 1;
/**
* Current destination slug.
*
* @var string
*/
private $dest = 'FOLDER';
/**
* BackWPup_Page_Backups constructor.
*/
public function __construct() {
parent::__construct(
[
'plural' => 'backups',
'singular' => 'backup',
'ajax' => true,
]
);
$this->destinations = BackWPup::get_registered_destinations();
}
/**
* Check if the user can access the backups list via Ajax.
*
* @return bool
*/
public function ajax_user_can() {
return current_user_can( 'backwpup_backups' );
}
/**
* Prepare list table items.
*
* @return void
*/
public function prepare_items() {
$per_page = $this->get_items_per_page( 'backwpupbackups_per_page' );
if ( empty( $per_page ) || $per_page < 1 ) {
$per_page = 20;
}
$jobdest = '';
$jobdest_top_button = filter_input( INPUT_GET, 'jobdets-button-top', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$jobdest_bottom_button = filter_input( INPUT_GET, 'jobdets-button-bottom', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
if ( $jobdest_top_button ) {
$jobdest = filter_input( INPUT_GET, 'jobdest-top', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
}
if ( $jobdest_bottom_button ) {
$jobdest = filter_input( INPUT_GET, 'jobdest-bottom', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
}
$jobdest = $jobdest ? sanitize_text_field( $jobdest ) : '';
if ( empty( $jobdest ) ) {
$jobdests = $this->get_destinations_list();
if ( empty( $jobdests ) ) {
$jobdests = [ '_' ];
}
$jobdest = $jobdests[0];
$_GET['jobdest-top'] = $jobdests[0];
$_GET['jobdets-button-top'] = 'empty';
}
[$this->jobid, $this->dest] = explode( '_', (string) $jobdest );
if ( ! empty( $this->destinations[ $this->dest ]['class'] ) ) {
/**
* Destination handler instance.
*
* @var BackWPup_Destinations $dest_object
*/
$dest_object = BackWPup::get_destination( $this->dest );
$this->items = $dest_object->file_get_list( $jobdest );
}
if ( ! $this->items ) {
$this->items = '';
return;
}
// Sorting.
$order = 'desc';
$orderby = 'time';
$nonce = $this->get_list_nonce();
if ( $nonce && wp_verify_nonce( $nonce, self::LIST_NONCE_ACTION ) ) {
$order = filter_input( INPUT_GET, 'order', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
if ( null === $order && isset( $_GET['order'] ) ) {
$order = sanitize_text_field( wp_unslash( $_GET['order'] ) );
} else {
$order = $order ? sanitize_text_field( $order ) : '';
}
$order = $order ? sanitize_key( $order ) : 'desc';
$order = strtolower( $order );
$order = in_array( $order, [ 'asc', 'desc' ], true ) ? $order : 'desc';
$orderby = filter_input( INPUT_GET, 'orderby', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
if ( null === $orderby && isset( $_GET['orderby'] ) ) {
$orderby = sanitize_text_field( wp_unslash( $_GET['orderby'] ) );
} else {
$orderby = $orderby ? sanitize_text_field( $orderby ) : '';
}
$orderby = $orderby ? sanitize_key( $orderby ) : 'time';
$orderby = strtolower( $orderby );
$orderby = in_array( $orderby, [ 'time', 'file', 'folder', 'size' ], true ) ? $orderby : 'time';
}
$tmp = [];
if ( 'time' === $orderby ) {
if ( 'asc' === $order ) {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['time'];
}
array_multisort( $tmp, SORT_ASC, $this->items );
} else {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['time'];
}
array_multisort( $tmp, SORT_DESC, $this->items );
}
} elseif ( 'file' === $orderby ) {
if ( 'asc' === $order ) {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['filename'];
}
array_multisort( $tmp, SORT_ASC, $this->items );
} else {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['filename'];
}
array_multisort( $tmp, SORT_DESC, $this->items );
}
} elseif ( 'folder' === $orderby ) {
if ( 'asc' === $order ) {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['folder'];
}
array_multisort( $tmp, SORT_ASC, $this->items );
} else {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['folder'];
}
array_multisort( $tmp, SORT_DESC, $this->items );
}
} elseif ( 'size' === $orderby ) {
if ( 'asc' === $order ) {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['filesize'];
}
array_multisort( $tmp, SORT_ASC, $this->items );
} else {
foreach ( $this->items as &$ma ) {
$tmp[] = &$ma['filesize'];
}
array_multisort( $tmp, SORT_DESC, $this->items );
}
}
$this->set_pagination_args(
[
'total_items' => count( $this->items ),
'per_page' => $per_page,
'jobdest' => $jobdest,
'orderby' => $orderby,
'order' => $order,
]
);
// Only display items on page.
$start = intval( ( $this->get_pagenum() - 1 ) * $per_page );
$end = $start + $per_page;
if ( $end > count( $this->items ) ) {
$end = count( $this->items );
}
$i = -1;
$paged_items = [];
foreach ( $this->items as $item ) {
++$i;
if ( $i < $start ) {
continue;
}
if ( $i >= $end ) {
break;
}
$paged_items[] = $item;
}
$this->items = $paged_items;
}
/**
* {@inheritdoc}
*/
public function no_items() {
esc_html_e( 'No files could be found. (List will be generated during next backup.)', 'backwpup' );
}
/**
* Get bulk actions for the backups table.
*
* @return array
*/
public function get_bulk_actions() {
if ( ! $this->has_items() ) {
return [];
}
$actions = [];
$actions['delete'] = __( 'Delete', 'backwpup' );
return $actions;
}
/**
* Render the extra table navigation.
*
* @param string $which Top or bottom table nav position.
*
* @return void
*/
public function extra_tablenav( $which ) {
$destinations_list = $this->get_destinations_list();
if ( count( $destinations_list ) < 1 ) {
return;
}
if ( count( $destinations_list ) === 1 ) {
echo '<input type="hidden" name="jobdest-' . esc_attr( $which ) . '" value="' . esc_attr( $destinations_list[0] ) . '">';
return;
} ?>
<div class="alignleft actions">
<label for="jobdest-<?php echo esc_attr( $which ); ?>">
<select name="jobdest-<?php echo esc_attr( $which ); ?>" class="postform"
id="jobdest-<?php echo esc_attr( $which ); ?>">
<?php
foreach ( $destinations_list as $jobdest ) {
[$jobid, $dest] = explode( '_', (string) $jobdest );
echo "\t<option value=\"" . esc_attr( $jobdest ) . '" ' . selected(
$this->jobid . '_' . $this->dest,
$jobdest,
false
) . '>' . esc_html( $dest ) . ': ' . esc_html(
BackWPup_Option::get(
$jobid,
'name'
)
) . '</option>' . PHP_EOL;
}
?>
</select>
</label>
<?php
submit_button(
__( 'Change destination', 'backwpup' ),
'secondary',
'jobdets-button-' . $which,
false,
[ 'id' => 'query-submit-' . $which ]
);
?>
</div>
<?php
}
/**
* Get list table columns.
*
* @return array
*/
public function get_columns() {
$posts_columns = [];
$posts_columns['cb'] = '<input type="checkbox" />';
$posts_columns['time'] = __( 'Time', 'backwpup' );
$posts_columns['file'] = __( 'File', 'backwpup' );
$posts_columns['folder'] = __( 'Folder', 'backwpup' );
$posts_columns['size'] = __( 'Size', 'backwpup' );
return $posts_columns;
}
/**
* Get sortable columns.
*
* @return array
*/
public function get_sortable_columns() {
return [
'file' => [ 'file', false ],
'folder' => 'folder',
'size' => 'size',
'time' => [ 'time', false ],
];
}
/**
* Render the checkbox column.
*
* @param array $item Item data.
*
* @return string
*/
public function column_cb( $item ) {
return '<input type="checkbox" name="backupfiles[]" value="' . esc_attr( $item['file'] ) . '" />';
}
/**
* Get the destinations list.
*
* @return array
*/
public function get_destinations_list() {
$jobdest = [];
$jobids = BackWPup_Option::get_job_ids();
foreach ( $jobids as $jobid ) {
if ( BackWPup_Option::get( $jobid, 'backuptype' ) === 'sync' ) {
continue;
}
$dests = BackWPup_Option::get( $jobid, 'destinations' );
foreach ( $dests as $dest ) {
if ( ! $this->destinations[ $dest ]['class'] ) {
continue;
}
$dest_class = BackWPup::get_destination( $dest );
$can_do_dest = $dest_class->file_get_list( $jobid . '_' . $dest );
if ( ! empty( $can_do_dest ) ) {
$jobdest[] = $jobid . '_' . $dest;
}
}
}
return $jobdest;
}
/**
* Render the file column.
*
* @param array $item Item data.
*
* @return string
*/
public function column_file( $item ) {
$actions = [];
$r = '<strong>' . esc_attr( $item['filename'] ) . '</strong><br />';
if ( ! empty( $item['info'] ) ) {
$r .= esc_attr( $item['info'] ) . '<br />';
}
if ( current_user_can( 'backwpup_backups_delete' ) ) {
$actions['delete'] = $this->delete_item_action( $item );
}
if ( ! empty( $item['downloadurl'] ) && current_user_can( 'backwpup_backups_download' ) ) {
try {
$actions['download'] = $this->download_item_action( $item );
if ( 'HIDRIVE' === $this->dest ) {
$download_url = wp_nonce_url( $item['downloadurl'], 'backwpup_action_nonce' );
if ( $item['filesize'] > 10485760 ) { // 10 MB.
$request = new BackWPup_Pro_Destination_HiDrive_Request();
$authorization = new BackWPup_Pro_Destination_HiDrive_Authorization( $request );
$api = new BackWPup_Pro_Destination_HiDrive_Api( $request, $authorization );
$response = $api->temporal_download_url( $this->jobid, $item['file'] );
$response_body = json_decode( (string) $response['body'] );
if ( isset( $response_body->url ) ) {
$download_url = $response_body->url;
}
}
$actions['download'] = '<a href="' . $download_url . '" class="backup-download-link">Download</a>';
}
} catch ( BackWPup_Factory_Exception $e ) {
$actions['download'] = sprintf(
'<a href="%1$s">%2$s</a>',
wp_nonce_url( $item['downloadurl'], 'backwpup_action_nonce' ),
__( 'Download', 'backwpup' )
);
}
}
// Add restore URL to link list.
if ( current_user_can( 'backwpup_restore' ) && ! empty( $item['restoreurl'] ) ) {
$item['restoreurl'] = add_query_arg(
[
'step' => 1,
'trigger_download' => 1,
],
$item['restoreurl']
);
$actions['restore'] = sprintf(
'<a href="%1$s">%2$s</a>',
wp_nonce_url( $item['restoreurl'], 'restore-backup_' . $this->jobid ),
__( 'Restore', 'backwpup' )
);
}
$r .= $this->row_actions( $actions );
return $r;
}
/**
* Render the folder column.
*
* @param array $item Item data.
*
* @return string
*/
public function column_folder( $item ) {
return esc_attr( $item['folder'] );
}
/**
* Render the size column.
*
* @param array $item Item data.
*
* @return string
*/
public function column_size( $item ) {
if ( ! empty( $item['filesize'] ) && -1 !== $item['filesize'] ) {
return size_format( $item['filesize'], 2 );
}
return esc_html__( '?', 'backwpup' );
}
/**
* Render the time column.
*
* @param array $item Item data.
*
* @return string
*/
public function column_time( $item ) {
return sprintf(
// translators: %1$s = date, %2$s = time.
esc_html__( '%1$s at %2$s', 'backwpup' ),
esc_html( wp_date( get_option( 'date_format' ), $item['time'] ) ),
esc_html( wp_date( get_option( 'time_format' ), $item['time'] ) )
);
}
/**
* Load the backups page.
*
* @return void
*/
public static function load() {
global $current_user;
// Create table.
self::$listtable = new BackWPup_Page_Backups();
if ( empty( self::$listtable->current_action() ) ) {
self::ensure_list_nonce();
}
switch ( self::$listtable->current_action() ) {
case 'delete': // Delete backup archives.
check_admin_referer( 'bulk-backups' );
if ( ! current_user_can( 'backwpup_backups_delete' ) ) {
wp_die( esc_html__( 'Sorry, you don\'t have permissions to do that.', 'backwpup' ) );
}
$jobdest_param = filter_input( INPUT_GET, 'jobdest', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$jobdest_top = filter_input( INPUT_GET, 'jobdest-top', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$jobdest = $jobdest_top ? $jobdest_top : $jobdest_param;
$jobdest = $jobdest ? sanitize_text_field( $jobdest ) : '';
$_GET['jobdest-top'] = $jobdest;
$_GET['jobdets-button-top'] = 'submit';
if ( '' === $jobdest ) {
return;
}
[$jobid, $dest] = explode( '_', $jobdest );
/**
* Destination handler instance.
*
* @var BackWPup_Destinations $dest_class
*/
$dest_class = BackWPup::get_destination( $dest );
$files = $dest_class->file_get_list( $jobdest );
$request_backup_files = filter_input( INPUT_GET, 'backupfiles', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
if ( empty( $request_backup_files ) ) {
break;
}
$request_backup_files = array_map( 'sanitize_text_field', wp_unslash( $request_backup_files ) );
$backup_files = [];
foreach ( $request_backup_files as $backupfile ) {
foreach ( $files as $file ) {
if ( is_array( $file ) && $file['file'] === $backupfile ) {
$dest_class->file_delete( $jobdest, $backupfile );
}
}
$backup_files[] = $backupfile;
}
$files = $dest_class->file_get_list( $jobdest );
if ( empty( $files ) ) {
$_GET['jobdest-top'] = '';
}
/**
* Fires after deleting backups.
*
* @param array $backup_files Backup files deleted.
* @param string $dest Destination.
*/
do_action( 'backwpup_after_delete_backups', $backup_files, $dest );
break;
default:
$jobid = absint( filter_input( INPUT_GET, 'jobid', FILTER_SANITIZE_NUMBER_INT ) );
if ( $jobid > 0 ) {
if ( ! current_user_can( 'backwpup_backups_download' ) ) {
wp_die( esc_html__( 'Sorry, you don\'t have permissions to do that.', 'backwpup' ) );
}
check_admin_referer( 'backwpup_action_nonce' );
$local_file = filter_input( INPUT_GET, 'local_file', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$file = filter_input( INPUT_GET, 'file', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$source_file = $local_file ? $local_file : $file;
if ( empty( $source_file ) ) {
break;
}
$source_file = sanitize_text_field( $source_file );
$filename = untrailingslashit( BackWPup::get_plugin_data( 'temp' ) ) . '/' . basename( $source_file );
if ( file_exists( $filename ) ) {
$downloader = new BackWPup_Download_File(
$filename,
function ( BackWPup_Download_File_Interface $obj ) use ( $filename ) {
$obj->clean_ob()
->headers();
readfile( $filename ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile
// Delete the temporary file.
wp_delete_file( $filename );
exit();
},
'backwpup_backups_download'
);
$downloader->download();
} else {
// If the file doesn't exist, fallback to old way of downloading.
// This is for destinations without a downloader class.
$dest = strtoupper( str_replace( 'download', '', self::$listtable->current_action() ) );
if ( ! empty( $dest ) && false !== strpos( self::$listtable->current_action(), 'download' ) ) {
/**
* Destination handler instance.
*
* @var BackWPup_Destinations $dest_class
*/
$dest_class = BackWPup::get_destination( $dest );
try {
if ( ! empty( $file ) ) {
$dest_class->file_download( $jobid, trim( sanitize_text_field( $file ) ) );
}
} catch ( BackWPup_Destination_Download_Exception $e ) {
header( 'HTTP/1.0 404 Not Found' );
wp_die(
esc_html__( 'Ops! Unfortunately the file doesn\'t exists. May be was deleted?', 'backwpup' ),
esc_html__( '404 - File Not Found.', 'backwpup' ),
[
'back_link' => esc_html__( '« Go back', 'backwpup' ),
]
);
}
}
}
}
break;
}
// Save per page.
$screen_options_apply = filter_input( INPUT_POST, 'screen-options-apply', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$screen_options = filter_input( INPUT_POST, 'wp_screen_options', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
if ( ! empty( $screen_options_apply ) && is_array( $screen_options ) ) {
$screen_options = wp_unslash( $screen_options );
$option = isset( $screen_options['option'] ) ? sanitize_text_field( $screen_options['option'] ) : '';
$value = isset( $screen_options['value'] ) ? absint( $screen_options['value'] ) : 0;
if ( 'backwpupbackups_per_page' === $option ) {
check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' );
if ( $value > 0 && $value < 1000 ) {
update_user_option(
$current_user->ID,
'backwpupbackups_per_page',
$value
);
wp_safe_redirect( remove_query_arg( [ 'pagenum', 'apage', 'paged' ], wp_get_referer() ) );
exit;
}
}
}
add_screen_option(
'per_page',
[
'label' => __( 'Backup Files', 'backwpup' ),
'default' => 20,
'option' => 'backwpupbackups_per_page',
]
);
self::$listtable->prepare_items();
}
/**
* Output CSS styles.
*
* @return void
*/
public static function admin_print_styles() {
?>
<style type="text/css" media="screen">
.column-size, .column-time {
width: 10%;
}
@media screen and (max-width: 782px) {
.column-size, .column-runtime, .column-size, .column-folder {
display: none;
}
.column-time {
width: 18%;
}
}
</style>
<?php
}
/**
* Enqueue scripts.
*
* @return void
*/
public static function admin_print_scripts() {
$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';
$plugin_url = BackWPup::get_plugin_data( 'url' );
$plugin_dir = BackWPup::get_plugin_data( 'plugindir' );
$plugin_scripts_url = "{$plugin_url}/assets/js";
$plugin_scripts_dir = "{$plugin_dir}/assets/js";
$shared_scripts_path = "{$plugin_url}/vendor/inpsyde/backwpup-shared/resources/js";
$shared_scripts_dir = "{$plugin_dir}/vendor/inpsyde/backwpup-shared/resources/js";
wp_register_script(
'backwpup_functions',
"{$shared_scripts_path}/functions{$suffix}.js",
[ 'underscore', 'jquery' ],
BackWPup::get_plugin_data( 'Version' ),
true
);
wp_register_script(
'backwpup_states',
"{$shared_scripts_path}/states{$suffix}.js",
[
'backwpup_functions',
],
BackWPup::get_plugin_data( 'Version' ),
true
);
$dependencies = [
'jquery',
'underscore',
'backwpupgeneral',
'backwpup_functions',
'backwpup_states',
];
if ( \BackWPup::is_pro() ) {
$dependencies[] = 'decrypter';
}
wp_enqueue_script(
'backwpup-backup-downloader',
"{$plugin_scripts_url}/backup-downloader{$suffix}.js",
$dependencies,
BackWPup::get_plugin_data( 'Version' ),
true
);
if ( \BackWPup::is_pro() ) {
self::admin_print_pro_scripts( $suffix, $plugin_url, $plugin_dir );
}
}
/**
* Display the page content.
*/
public static function page() {
include untrailingslashit( BackWPup::get_plugin_data( 'plugindir' ) ) . '/pages/backups.php';
}
/**
* Enqueue pro scripts.
*
* @param string $suffix Script suffix.
* @param string $plugin_url Plugin URL.
* @param string $plugin_dir Plugin directory.
*
* @return void
*/
private static function admin_print_pro_scripts( $suffix, $plugin_url, $plugin_dir ) {
$restore_scripts_path = "{$plugin_url}/vendor/inpsyde/backwpup-restore-shared/resources/js";
$restore_scripts_dir = "{$plugin_dir}/vendor/inpsyde/backwpup-restore-shared/resources/js";
wp_register_script(
'decrypter',
"{$restore_scripts_path}/decrypter{$suffix}.js",
[
'underscore',
'jquery',
'backwpup_states',
'backwpup_functions',
],
BackWPup::get_plugin_data( 'Version' ),
true
);
}
/**
* Build the delete action for a backup item.
*
* @param array $item Item data.
*
* @return string
*/
private function delete_item_action( $item ) {
$query = sprintf(
'?page=backwpupbackups&action=delete&jobdest-top=%1$s&paged=%2$s&backupfiles[]=%3$s',
$this->jobid . '_' . $this->dest,
$this->get_pagenum(),
esc_attr( $item['file'] )
);
$url = wp_nonce_url( network_admin_url( 'admin.php' ) . $query, 'bulk-backups' );
$js = sprintf(
'if ( confirm(\'%s\') ) { return true; } return false;',
esc_js(
__(
'You are about to delete this backup archive. \'Cancel\' to stop, \'OK\' to delete.',
'backwpup'
)
)
);
return sprintf(
'<a class="submitdelete" href="%1$s" onclick="%2$s">%3$s</a>',
$url,
$js,
__( 'Delete', 'backwpup' )
);
}
/**
* Build the download action for a backup item.
*
* @param array $item Item data.
*
* @return string
*/
private function download_item_action( $item ) {
$local_file = untrailingslashit( BackWPup::get_plugin_data( 'TEMP' ) ) . "/{$item['filename']}";
return sprintf(
'<a href="#TB_inline?height=300&width=630&inlineId=tb_download_file"
class="backup-download-link thickbox js-backwpup-download-backup"
id="backup-download-link"
data-jobid="%1$s"
data-destination="%2$s"
data-file="%3$s"
data-local-file="%4$s"
data-nonce="%5$s"
data-url="%6$s">%7$s</a>',
intval( $this->jobid ),
esc_attr( $this->dest ),
esc_attr( $item['file'] ),
esc_attr( $local_file ),
wp_create_nonce( 'backwpup_action_nonce' ),
wp_nonce_url( $item['downloadurl'], 'backwpup_action_nonce' ),
__( 'Download', 'backwpup' )
);
}
/**
* Ensure the list view has a valid nonce in the URL.
*
* @return void
*/
private static function ensure_list_nonce() {
$nonce = filter_input( INPUT_GET, '_wpnonce', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
if ( null === $nonce && isset( $_GET['_wpnonce'] ) ) {
$nonce = sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) );
} else {
$nonce = $nonce ? sanitize_text_field( $nonce ) : '';
}
if ( $nonce && wp_verify_nonce( $nonce, self::LIST_NONCE_ACTION ) ) {
return;
}
$base_url = is_network_admin() ? network_admin_url( 'admin.php?page=backwpupbackups' ) : admin_url( 'admin.php?page=backwpupbackups' );
$current_url = add_query_arg( $_GET, $base_url );
$current_url = remove_query_arg( [ '_wpnonce', '_wp_http_referer' ], $current_url );
$current_url = add_query_arg( '_wpnonce', wp_create_nonce( self::LIST_NONCE_ACTION ), $current_url );
wp_safe_redirect( $current_url );
exit;
}
/**
* Check if the list nonce is valid.
*
* @return bool
*/
private function get_list_nonce() {
$nonce = filter_input( INPUT_GET, '_wpnonce', FILTER_SANITIZE_FULL_SPECIAL_CHARS );
if ( null === $nonce && isset( $_GET['_wpnonce'] ) ) {
$nonce = sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) );
} else {
$nonce = $nonce ? sanitize_text_field( $nonce ) : '';
}
if ( ! $nonce || ! wp_verify_nonce( $nonce, self::LIST_NONCE_ACTION ) ) {
return '';
}
return (string) $nonce;
}
}