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<?php
/**
* Compatibility functions for the Jetpack Backup plugin.
* https://wordpress.org/plugins/jetpack-backup/
*
* @since 10.4
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Jetpack_Backup;
use Automattic\Jetpack\Plugins_Installer;
if ( ! defined( 'ABSPATH' ) ) {
exit( 0 );
}
const PLUGIN_SLUG = 'jetpack-backup';
const PLUGIN_FILE = 'jetpack-backup/jetpack-backup.php';
if ( isset( $_GET['jetpack-backup-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
add_action( 'admin_notices', __NAMESPACE__ . '\error_notice' );
}
if ( isset( $_GET['jetpack-backup-action'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
add_action( 'admin_init', __NAMESPACE__ . '\try_install' );
}
/**
* Verify the intent to install Jetpack Backup, and kick off installation.
*
* This works in tandem with a JITM set up in the JITM package.
*
* @return never
*/
function try_install() {
check_admin_referer( 'jetpack-backup-install' );
$result = false;
// If the plugin install fails, redirect to plugin install page pre-populated with jetpack-backup search term.
$redirect_on_error = admin_url( 'plugin-install.php?s=jetpack-backup&tab=search&type=term' );
// Attempt to install and activate the plugin.
if ( current_user_can( 'activate_plugins' ) ) {
switch ( $_GET['jetpack-backup-action'] ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated -- Function only hooked if set.
case 'install':
$result = install_and_activate();
break;
case 'activate':
$result = activate();
break;
}
}
if ( $result ) {
/** This action is already documented in _inc/lib/class.core-rest-api-endpoints.php */
do_action( 'jetpack_activated_plugin', PLUGIN_FILE, 'jitm' );
$redirect = admin_url( 'admin.php?page=jetpack-backup' );
} else {
$redirect = add_query_arg( 'jetpack-backup-install-error', true, $redirect_on_error );
}
wp_safe_redirect( $redirect );
exit( 0 );
}
/**
* Install and activate the Jetpack Backup plugin.
*
* @return bool result of installation
*/
function install_and_activate() {
$result = Plugins_Installer::install_and_activate_plugin( PLUGIN_SLUG );
if ( is_wp_error( $result ) ) {
return false;
} else {
return true;
}
}
/**
* Activate the Jetpack Backup plugin.
*
* @return bool result of activation
*/
function activate() {
$result = activate_plugin( PLUGIN_FILE );
// Activate_plugin() returns null on success.
return $result === null;
}
/**
* Notify the user that the installation of Jetpack Backup failed.
*/
function error_notice() {
wp_admin_notice(
esc_html__( 'There was an error installing Jetpack Backup. Please try again.', 'jetpack' ),
array(
'type' => 'error',
'dismissible' => true,
)
);
}