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<?php
/**
* File: class-site-check.php
*
* Check the integrity of the website.
*
* @link https://www.boldgrid.com
* @since 1.9.0
*
* @package Boldgrid\Backup
* @subpackage Boldgrid\Backup\Cli
* @copyright BoldGrid
* @author BoldGrid <support@boldgrid.com>
*
* phpcs:disable WordPress.WP.AlternativeFunctions,WordPress.XSS.EscapeOutput
*/
namespace Boldgrid\Backup\Cli;
/**
* Class: Site_Check.
*
* @since 1.9.0
*/
class Site_Check {
/**
* Maximum restoration attempts.
*
* @since 1.9.0
* @access private
* @static
*
* @var int
*/
private static $max_restore_attempts = 2;
/**
* Test resukt output from the wp-test script.
*
* @since 1.10.0
* @access private
* @static
*
* @var string
*/
private static $wp_test_result;
/**
* Run the site check process, to determine if the site needs to be restored from backup.
*
* Decide if a restoration should be completed.
*
* @since 1.9.0
* @static
*
* @see \Boldgrid\Backup\Cli\Info::has_errors()
* @see self::does_wp_load()
* @see \Boldgrid\Backup\Cli\Info::has_arg_flag()
* @see \Boldgrid\Backup\Cli\Info::get_notify_flag()
* @see \Boldgrid\Backup\Cli\Info::get_email_arg()
* @see \Boldgrid\Backup\Cli\Info::get_info()
*
* @return bool
*/
public static function should_restore() {
$should_restore = false;
// Abort if there are errors retrieving information.
if ( Info::has_errors() ) {
return false;
}
// If the "auto_recovery" argument is passed and set to "1", then set-up for auto-restore.
$auto_restore = false !== Info::has_arg_flag( 'auto_recovery' ) &&
'1' === Info::get_cli_args()['auto_recovery'];
$mode = Info::get_mode();
$restore_attempts = Info::get_info()['restore_attempts'];
$attempts_exceeded = $restore_attempts >= self::$max_restore_attempts;
// If "check" flag was passed and there have not been too many restoration attempts.
if ( 'check' === $mode && ! $attempts_exceeded ) {
$result = self::check();
if ( ! $result && $auto_restore ) {
$should_restore = true;
}
// If a check has failed, then send an email notification, if enabled.
$should_notify = ! $result && Info::get_notify_flag() && Info::get_email_arg();
if ( $should_notify ) {
self::send_notification();
}
}
// If the "auto_recovery" argument is not passed or set to "0", then do not restore.
if ( false === Info::has_arg_flag( 'auto_recovery' ) ||
'0' === Info::get_cli_args()['auto_recovery'] ) {
$should_restore = false;
}
// If "Restore" flag was possed, it is a forced restoration.
if ( 'restore' === $mode ) {
$should_restore = true;
}
return $should_restore;
}
/**
* Is the site reachable.
*
* @since 1.9.0
* @static
*
* @see \Boldgrid\Backup\Cli\Info::get_info()
* @see \Boldgrid_Backup_Url_Helper::call_url()
*
* @return bool;
*/
public static function is_siteurl_reachable() {
$result = false;
require_once dirname( __DIR__ ) . '/cron/class-boldgrid-backup-url-helper.php';
if ( ! empty( Info::get_info()['siteurl'] ) ) {
$response = ( new \Boldgrid_Backup_Url_Helper() )->call_url(
Info::get_info()['siteurl'],
$status,
$errorno,
$error
);
if ( 200 === $status ) {
$result = true;
}
}
return $result;
}
/**
* Does WordPress load via PHP.
*
* @since 1.9.0
* @static
*
* @see \Boldgrid_Backup_Admin_Cli::call_command()
*
* @return bool
*/
public static function does_wp_load() {
self::$wp_test_result = \Boldgrid_Backup_Admin_Cli::call_command(
'cd ' . __DIR__ . '; php -qf wp-test.php',
$success
);
return $success;
}
/**
* Perform a site check.
*
* @since 1.10.0
* @static
*
* @see self::does_wp_load()
* @see \Boldgrid\Backup\Cli\Log::write()
*
* @todo More checks and login coming soon.
*
* @param bool $print Print status information. Defaults to TRUE.
* @return bool
*/
public static function check( $print = true ) {
$status = self::does_wp_load();
$output = json_decode( self::$wp_test_result, true );
$message = 'Site Check: ' . ( $status ? 'Ok' : 'Failed' ) .
( ! $status && is_array( $output ) ? ': ' . self::$wp_test_result : '' );
Log::write( $message, ( $status ? LOG_INFO : LOG_ERR ) );
if ( $print ) {
echo $message . PHP_EOL;
}
return $status;
}
/**
* Send a notification email message.
*
* @since 1.10.0
* @static
*
* @see \Boldgrid\Backup\Cli\Info::get_email_arg()
* @see \Boldgrid\Backup\Cli\Info::get_info()
* @see \Boldgrid\Backup\Cli\Log::write()
* @see \Boldgrid\Backup\Cli\Email::send()
*
* @return bool
*/
public static function send_notification() {
$recipient = Info::get_info()['site_title'] . ' <' . Info::get_email_arg() . '>';
$subject = 'Failed Site Check for ' . Info::get_info()['siteurl'];
$message = "A Site Check has failed. You should check your site and can perform a manual restoration.\r\n\r\nFor help, please visit: https://www.boldgrid.com/support/boldgrid-backup/what-to-do-when-boldgrid-backup-site-check-fails/\r\n\r\nYou can manage notifications in your WordPress admin panel, under Total Upkeep Settings at:\r\n" .
Info::get_info()['siteurl'] .
"/wp-admin/admin.php?page=boldgrid-backup-settings\r\n";
Log::write( 'Sending email notification for failed site check to "' . $recipient . '".', LOG_INFO );
$result = json_decode( self::$wp_test_result, true );
if ( ! empty( $result['error']['message'] ) ) {
$message .= "\r\nError message:\r\n" . $result['error']['message'] . ' in ' . $result['error']['file'] . ' on line ' .
$result['error']['line'] . "\r\n";
}
echo 'Info: Sending notification email to "' . $recipient . '".' . PHP_EOL;
return ( new Email( $recipient ) )->send( $subject, $message );
}
}