%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace TrxUpdater\Core\Update;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
class Backups extends Base {
/**
* Class constructor.
*
* Initializing backups manager.
*
* @since 1.0.0
* @access public
*/
public function __construct( $manager ) {
parent::__construct( $manager );
// Create backup
add_filter( 'upgrader_package_options', array( $this, 'backup_package_callback' ), 10, 1 );
// Delete or Restore backup via Update Screen (one by one)
add_action( 'core_upgrade_preamble', array( $this, 'add_backups_to_update_screen' ), 20 );
add_action( 'update-custom_delete-backup', array( $this, 'delete_backup_callback' ) );
add_action( 'update-custom_restore-backup', array( $this, 'restore_backup_callback' ) );
// Delete or Restore backups from options (comma separated lists allowed)
add_action('wp_ajax_trx_updater_delete_backups', array( $this, 'delete_backups_callback' ) );
add_action('wp_ajax_trx_updater_restore_backups', array( $this, 'restore_backups_callback' ) );
}
/**
* Return URL for the restore or delete backup action
*
* Return nonce URL for the restore or delete backup action
*
* @since 1.2.0
* @access private
*/
private function get_backup_link( $slug, $action ) {
return wp_nonce_url(
add_query_arg(
array(
'action' => $action . '-backup',
'backup' => urlencode( $slug ),
),
network_admin_url( 'update.php' )
),
$action . '-backup_' . trim( $slug )
);
}
/**
* Add list of backups to the WordPress update screen
*
* Add list of available backups to the WordPress update screen
*
* Fired by `core_upgrade_preamble` action.
*
* @since 1.0.0
* @access public
*/
public function add_backups_to_update_screen() {
if ( (int) $this->options->get_option('backups_enable') == 1 && current_user_can( 'update_themes' ) && current_user_can( 'update_plugins' ) ) {
$backups_list = $this->options->get_option( 'backups_list' );
if ( is_array( $backups_list ) && count( $backups_list ) > 0 ) {
$installed = get_plugins();
$plugins = array();
foreach ( $installed as $p => $pv ) {
$parts = explode( '/', $p );
$plugins[ $parts[0] ] = $pv;
}
?>
<h2>
<?php
esc_html_e( 'List of backups', 'trx-updater' );
?>
</h2>
<p>
<?php esc_html_e( 'You have a previously created backups available. Check it and then click “Restore selected backups” to return to the previous version of the plugin or the theme. If you click “Delete selected backups” - checked backups will be deleted.', 'trx-updater' ); ?>
</p>
<div class="upgrade trx_updater_backups">
<p>
<input id="upgrade-restore-backups" class="button trx_updater_backups_button trx_updater_restore_backups_button" type="button" value="<?php esc_attr_e( 'Restore selected backups', 'trx-updater' ); ?>" />
<input id="upgrade-delete-backups" class="button trx_updater_backups_button trx_updater_delete_backups_button" type="button" value="<?php esc_attr_e( 'Delete selected backups', 'trx-updater' ); ?>" />
</p>
<table class="widefat updates-table" id="update-backups-table">
<thead>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="backups-select-all" /></td>
<td class="manage-column"><label for="backups-select-all"><?php esc_html_e( 'Select All', 'trx-updater' ); ?></label></td>
</tr>
</thead>
<tbody class="plugins backups">
<?php
foreach( array('plugin', 'theme') as $type ) {
?>
<tr>
<td class="plugin-title" colspan="2">
<strong><?php echo 'plugin' == $type ? esc_html__( 'Plugins', 'trx-updater' ) : esc_html__( 'Themes', 'trx-updater' ); ?></strong>
</td>
</tr>
<?php
foreach( $backups_list as $slug => $data ) {
if ( $data['type'] != $type ) continue;
$checkbox_id = 'checkbox_' . md5( $slug );
?>
<tr>
<td class="check-column">
<input type="checkbox"
name="checked[]"
id="<?php echo esc_attr( $checkbox_id ); ?>"
data-restore-url="<?php echo esc_url( $this->get_backup_link( $slug, 'restore' ) ); ?>"
data-delete-url="<?php echo esc_url( $this->get_backup_link( $slug, 'delete' ) ); ?>"
value="<?php echo esc_attr( $slug ); ?>"
/>
<label for="<?php echo esc_attr( $checkbox_id ); ?>" class="screen-reader-text">
<?php
// Translators: %s: Theme name
printf( esc_html__( 'Select %s', 'trx-updater' ), $data['title'] );
?>
</label>
</td>
<td class="plugin-title"><p>
<?php echo $this->get_item_icon( $data['type'], $slug, $data['title'] ); ?>
<strong><?php echo esc_html( $data['title'] ); ?></strong>
<?php
if ( $data['type'] == 'theme' ) {
$theme = wp_get_theme( $slug );
}
// Translators: 1: Theme version, 2: backup version
printf(
esc_html__( 'You have version %1$s installed. Revert to %2$s from the backup archive.', 'trx-updater' ),
$data['type'] == 'plugin'
? $plugins[ $slug ]['Version']
: ( $theme->exists() ? $theme->get( 'Version' ) : '???' ),
$data['version']
);
?>
</p></td>
</tr>
<?php
}
}
?>
</tbody>
<tfoot>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="backups-select-all-2" /></td>
<td class="manage-column"><label for="backups-select-all-2"><?php esc_html_e( 'Select All', 'trx-updater' ); ?></label></td>
</tr>
</tfoot>
</table>
<p>
<input id="upgrade-restore-backups-2" class="button trx_updater_backups_button trx_updater_restore_backups_button" type="button" value="<?php esc_attr_e( 'Restore selected backups', 'trx-updater' ); ?>" />
<input id="upgrade-delete-backups-2" class="button trx_updater_backups_button trx_updater_delete_backups_button" type="button" value="<?php esc_attr_e( 'Delete selected backups', 'trx-updater' ); ?>" />
</p>
</div>
<?php
}
}
}
/**
* Callback to backup plugin or theme before WordPress update it
*
* Create backup of the plugin before WordPress download it
*
* Fired by `upgrader_package_options` filter
*
* @since 1.0.0
* @access public
*/
public function backup_package_callback( $options ) {
if ( (int) $this->options->get_option( 'backups_enable' ) == 1 ) {
$type = ! empty( $options['hook_extra']['plugin'] )
? 'plugin'
: ( ! empty( $options['hook_extra']['theme'] ) ? 'theme' : 'unsupported' );
if ( $type == 'plugin' && current_user_can( 'update_plugins' ) ) {
$plugins = get_plugins();
$plugin = $options['hook_extra']['plugin'];
if ( ! empty( $plugins[ $plugin ]['Name'] ) && ! empty( $plugins[ $plugin ]['Version'] ) ) {
$slug = dirname( $plugin );
$this->create_backup(
$slug,
trailingslashit( $options['destination'] ) . $slug,
array(
'type' => 'plugin',
'title' => $plugins[ $plugin ]['Name'],
'version' => $plugins[ $plugin ]['Version'],
)
);
}
} else if ( $type == 'theme' && current_user_can( 'update_themes' ) ) {
$slug = $options['hook_extra']['theme'];
$theme = wp_get_theme( $slug );
if ( $theme->exists() ) {
$this->create_backup(
$slug,
trailingslashit( $options['destination'] ) . $slug,
array(
'type' => 'theme',
'title' => $theme->get( 'Name' ),
'version' => $theme->get( 'Version' ),
)
);
}
}
}
return $options;
}
/**
* Create backup for specified package (plugin or theme)
*
* Create archive with backup of the specified package in the folder 'uploads'
*
* @since 1.0.0
* @access private
*/
public function create_backup( $slug, $dir, $data=array() ) {
if ( (int) $this->options->get_option( 'backups_enable' ) == 1 ) {
trx_updater_allow_upload_archives();
$rnd = str_replace('.', '', mt_rand());
$result = wp_upload_bits( "backup-{$data['type']}-{$slug}-{$rnd}.zip", 0, '' );
trx_updater_disallow_upload_archives();
if ( ! empty( $result['file'] ) ) {
$backups_list = $this->options->get_option( 'backups_list' );
if ( ! empty( $backups_list[ $slug ] ) ) {
if ( !empty( $backups_list[ $slug ]['backup'] ) && file_exists( $backups_list[ $slug ]['backup'] ) ) {
unlink( $backups_list[ $slug ]['backup'] );
}
} else if ( ! is_array( $backups_list ) ) {
$backups_list = array();
}
if ( trx_updater_pack_archive( $result['file'], $dir ) ) {
$backups_list[ $slug ] = array(
'backup' => $result['file'],
'dir' => $dir,
'date' => time(),
'title' => $data['title'],
'slug' => $slug,
'type' => $data['type'],
'version' => $data['version'],
);
$this->options->update_option( 'backups_list', $backups_list );
}
}
}
}
/**
* Delete single backup callback (from Update screen)
*
* Delete single theme or plugin from backup via WordPress update screen
*
* Fired by `update-custom_delete-backup` action.
*
* @since 1.0.0
* @access public
*/
public function delete_backup_callback() {
$slug = trx_updater_get_value_gp('backup');
if ( ! wp_verify_nonce( trx_updater_get_value_gp('_wpnonce'), "delete-backup_{$slug}" ) || ! current_user_can( 'update_themes' ) || ! current_user_can( 'update_plugins' ) ) {
die();
}
$response = array(
'error' => '',
'success' => '',
);
$this->delete_backup( $slug, $response );
echo json_encode($response);
die();
}
/**
* Delete comma separated list of backups callback (from options page)
*
* Delete specified backups (archives and list entries)
*
* Fired by `wp_ajax_trx_updater_delete_backups` action.
*
* @since 1.0.0
* @access public
*/
public function delete_backups_callback() {
if ( !wp_verify_nonce( trx_updater_get_value_gp('nonce'), admin_url('admin-ajax.php') ) || ! current_user_can( 'update_themes' ) || ! current_user_can( 'update_plugins' ) ) {
die();
}
$response = array(
'error' => '',
'success' => '',
);
if ( empty( $_REQUEST['backups'] ) ) {
$response['error'] = esc_html__( 'List of backups to delete is not specified!', 'trx_addons' );
} else {
$backups = array_map( 'trim', explode( ',', $_REQUEST['backups'] ) );
foreach( $backups as $slug ) {
$this->delete_backup( $slug, $response );
}
}
echo json_encode($response);
die();
}
/**
* Delete one backup
*
* Delete specified backup (archive and list entry)
*
* @since 1.0.0
* @access private
*/
private function delete_backup( $slug, &$response ) {
$result = false;
$backups_list = $this->options->get_option( 'backups_list' );
if ( ! isset( $backups_list[ $slug ] ) ) {
$response['error'] .= ( ! empty( $response['error'] ) ? "\n" : '' ) . sprintf( __( '"%s" is not found in the backups list!', 'trx-updater' ), $slug );
} else {
if ( ! empty( $backups_list[ $slug ]['backup'] ) ) {
if ( file_exists( $backups_list[ $slug ]['backup'] ) ) {
unlink( $backups_list[ $slug ]['backup'] );
$result = true;
$response['success'] .= ( ! empty( $response['success'] ) ? "\n" : '' )
. sprintf(
__( '"%s" is deleted!', 'trx-updater' ),
! empty( $backups_list[ $slug ]['title'] )
? $backups_list[ $slug ]['title']
: $slug
);
} else {
$response['error'] .= ( ! empty( $response['error'] ) ? "\n" : '' )
. sprintf(
__( 'Archive of "%s" is not found! List entry "%s" is deleted', 'trx-updater' ),
$backups_list[ $slug ]['backup'],
! empty( $backups_list[ $slug ]['title'] )
? $backups_list[ $slug ]['title']
: $slug
);
}
}
unset( $backups_list[ $slug ] );
$this->options->update_option( 'backups_list', $backups_list );
}
return $result;
}
/**
* Restore single backup callback (from Update screen)
*
* Restore single theme or plugin from backup via WordPress update screen
*
* Fired by `update-custom_restore-backup` action.
*
* @since 1.0.0
* @access public
*/
public function restore_backup_callback() {
$slug = trx_updater_get_value_gp('backup');
if ( ! wp_verify_nonce( trx_updater_get_value_gp('_wpnonce'), "restore-backup_{$slug}" ) || ! current_user_can( 'update_themes' ) || ! current_user_can( 'update_plugins' ) ) {
die();
}
$response = array(
'error' => '',
'success' => '',
);
$this->restore_backup( $slug, $response );
echo json_encode($response);
die();
}
/**
* Restore backups callback (from options page)
*
* Restore comma separated list of backups and delete archives and list entries if success
*
* Fired by `wp_ajax_trx_updater_restore_backups` action.
*
* @since 1.0.0
* @access public
*/
public function restore_backups_callback() {
if ( !wp_verify_nonce( trx_updater_get_value_gp('nonce'), admin_url('admin-ajax.php') ) || ! current_user_can( 'update_themes' ) || ! current_user_can( 'update_plugins' ) ) {
die();
}
$response = array(
'error' => '',
'success' => '',
);
if ( empty( $_REQUEST['backups'] ) ) {
$response['error'] = esc_html__( 'List of backups to restore is not specified!', 'trx_addons' );
} else {
$backups = array_map( 'trim', explode( ',', $_REQUEST['backups'] ) );
foreach( $backups as $slug ) {
$this->restore_backup( $slug, $response );
}
}
echo json_encode($response);
die();
}
/**
* Restore specified backup by slug
*
* Restore specified backup from archives and delete archives and list entries if success
*
* @since 1.0.0
* @access private
*/
private function restore_backup( $slug, &$response ) {
$result = false;
$backups_list = $this->options->get_option( 'backups_list' );
if ( ! isset( $backups_list[ $slug ] ) ) {
$response['error'] .= ( ! empty( $response['error'] ) ? "\n" : '' ) . sprintf( __( '"%s" is not found in the backups list!', 'trx-updater' ), $slug );
} else {
if ( ! empty( $backups_list[ $slug ]['backup'] ) ) {
if ( file_exists( $backups_list[ $slug ]['backup'] ) ) {
if ( is_dir( $backups_list[ $slug ]['dir'] ) ) {
// Clear folder
trx_updater_del_folder( $backups_list[ $slug ]['dir'], false );
// Unzip files
unzip_file( $backups_list[ $slug ]['backup'], $backups_list[ $slug ]['dir'] );
// Delete archive
unlink( $backups_list[ $slug ]['backup'] );
$result = true;
$response['success'] .= ( ! empty( $response['success'] ) ? "\n" : '' )
. sprintf(
__( '"%s" is restored!', 'trx-updater' ),
! empty( $backups_list[ $slug ]['title'] )
? $backups_list[ $slug ]['title']
: $slug
);
} else {
$response['error'] .= ( ! empty( $response['error'] ) ? "\n" : '' )
. sprintf(
__( 'Destination folder with "%s" is not found! Perhaps the plugin has been removed.', 'trx-updater' ),
! empty( $backups_list[ $slug ]['title'] )
? $backups_list[ $slug ]['title']
: $slug
);
}
} else {
$response['error'] .= ( ! empty( $response['error'] ) ? "\n" : '' )
. sprintf(
__( 'Archive of "%s" is not found! List entry is deleted', 'trx-updater' ),
! empty( $backups_list[ $slug ]['title'] )
? $backups_list[ $slug ]['title']
: $slug
);
}
}
unset( $backups_list[ $slug ] );
$this->options->update_option( 'backups_list', $backups_list );
}
return $result;
}
}
Zerion Mini Shell 1.0