0 ) {
foreach ( $snippets as $code ) {
MainWP_Helper::execute_snippet( $code );
}
}
}
}
public static function fix_for_custom_themes() {
if ( file_exists( ABSPATH . '/wp-admin/includes/screen.php' ) ) {
include_once ABSPATH . '/wp-admin/includes/screen.php';
}
if ( function_exists( 'et_register_updates_component' ) ) {
et_register_updates_component();
}
}
/**
*
* To support maintenance alert
*
*/
public function maintenance_alert() {
if ( ! is_404() ) {
return;
}
if ( 1 !== (int) get_option( 'mainwp_maintenance_opt_alert_404' ) ) {
return;
}
$email = get_option( 'mainwp_maintenance_opt_alert_404_email' );
if ( empty( $email ) || ! preg_match( '/^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$/is', $email ) ) {
return;
}
// set status.
header( 'HTTP/1.1 404 Not Found' );
header( 'Status: 404 Not Found' );
// site info.
$blog = get_bloginfo( 'name' );
$site = get_bloginfo( 'url' ) . '/';
$from_email = get_bloginfo( 'admin_email' );
// referrer.
if ( isset( $_SERVER['HTTP_REFERER'] ) ) {
$referer = MainWP_Helper::clean( $_SERVER['HTTP_REFERER'] );
} else {
$referer = 'undefined';
}
$protocol = isset( $_SERVER['HTTPS'] ) && strcasecmp( $_SERVER['HTTPS'], 'off' ) ? 'https://' : 'http://';
// request URI.
if ( isset( $_SERVER['REQUEST_URI'] ) && isset( $_SERVER['HTTP_HOST'] ) ) {
$request = MainWP_Helper::clean( $protocol . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
} else {
$request = 'undefined';
}
// query string.
if ( isset( $_SERVER['QUERY_STRING'] ) ) {
$string = MainWP_Helper::clean( $_SERVER['QUERY_STRING'] );
} else {
$string = 'undefined';
}
// IP address.
if ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
$address = MainWP_Helper::clean( $_SERVER['REMOTE_ADDR'] );
} else {
$address = 'undefined';
}
// user agent.
if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
$agent = MainWP_Helper::clean( $_SERVER['HTTP_USER_AGENT'] );
} else {
$agent = 'undefined';
}
// identity.
if ( isset( $_SERVER['REMOTE_IDENT'] ) ) {
$remote = MainWP_Helper::clean( $_SERVER['REMOTE_IDENT'] );
} else {
$remote = 'undefined';
}
// log time.
$time = MainWP_Helper::clean( date( 'F jS Y, h:ia', time() ) ); // phpcs:ignore -- local time.
$mail = '404 alert
' .
'TIME: ' . $time . '
' .
'*404: ' . $request . '
' .
'SITE: ' . $site . '
' .
'REFERRER: ' . $referer . '
' .
'QUERY STRING: ' . $string . '
' .
'REMOTE ADDRESS: ' . $address . '
' .
'REMOTE IDENTITY: ' . $remote . '
' .
'USER AGENT: ' . $agent . '
';
wp_mail(
$email,
'MainWP - 404 Alert: ' . $blog,
MainWP_Helper::format_email( $email, $mail ),
array(
'content-type: text/html',
)
);
}
public function cron_active() {
if ( ! defined( 'DOING_CRON' ) || ! DOING_CRON ) {
return;
}
if ( empty( $_GET['mainwp_child_run'] ) || 'test' !== $_GET['mainwp_child_run'] ) {
return;
}
session_write_close();
header( 'Content-Type: text/html; charset=' . get_bloginfo( 'charset' ), true );
header( 'X-Robots-Tag: noindex, nofollow', true );
header( 'X-MainWP-Child-Version: ' . MainWP_Child::$version, true );
nocache_headers();
if ( 'test' == $_GET['mainwp_child_run'] ) {
die( 'MainWP Test' );
}
die( '' );
}
/**
*
* To support upload backup files.
*
*/
public function upload_file( $file, $offset = 0 ) {
$dirs = MainWP_Helper::get_mainwp_dir( 'backup' );
$backupdir = $dirs[0];
header( 'Content-Description: File Transfer' );
header( 'Content-Description: File Transfer' );
if ( MainWP_Helper::ends_with( $file, '.tar.gz' ) ) {
header( 'Content-Type: application/x-gzip' );
header( 'Content-Encoding: gzip' );
} else {
header( 'Content-Type: application/octet-stream' );
}
header( 'Content-Disposition: attachment; filename="' . basename( $file ) . '"' );
header( 'Expires: 0' );
header( 'Cache-Control: must-revalidate' );
header( 'Pragma: public' );
header( 'Content-Length: ' . filesize( $backupdir . $file ) );
while ( ob_end_flush() ) {; // phpcs:ignore
}
$this->readfile_chunked( $backupdir . $file, $offset );
}
public function readfile_chunked( $filename, $offset ) {
$chunksize = 1024; // how many bytes per chunk?
$handle = fopen( $filename, 'rb' );
if ( false === $handle ) {
return false;
}
fseek( $handle, $offset );
while ( ! feof( $handle ) ) {
$buffer = fread( $handle, $chunksize );
echo $buffer;
ob_flush();
flush();
$buffer = null;
}
return fclose( $handle );
}
}