Ubuntu
do_backup();
}
/**
* Perform a backup of the database.
*
* @since 1.0
* @author Grégory Viguier
*
* @return (bool) True on success, false on failure.
*/
function secupress_do_db_backup() {
if ( ! class_exists( 'ZipArchive' ) || ! secupress_pre_backup() ) {
return false;
}
require_once( SECUPRESS_PRO_MODULES_PATH . 'backups/plugins/class-secupress-backup.php' );
require_once( SECUPRESS_PRO_MODULES_PATH . 'backups/plugins/class-secupress-backup-db.php' );
$backup_storage = secupress_get_module_option( 'backups-storage_location', 'local', 'backups' );
if ( 'local' === $backup_storage ) {
require_once( SECUPRESS_PRO_MODULES_PATH . 'backups/plugins/class-secupress-backup-db-local.php' );
$zip = new SecuPress_Backup_Db_Local;
} else {
// DropBox, etc ////.
return false;
}
return $zip->do_backup();
}
/**
* Prepare the backups folder: create the folder if it doesn't exist and place a `.htaccess` file inside, denying access to.
*
* @since 1.0
*
* @return (bool) True if the folder is writable and the `.htaccess` file exists.
*/
function secupress_pre_backup() {
global $is_apache, $is_nginx, $is_iis7;
$backups_dir = secupress_get_parent_backups_path();
$backup_dir = secupress_get_local_backups_path();
$tmp_dir = secupress_get_temporary_backups_path();
$filesystem = secupress_get_filesystem();
secupress_mkdir_p( $backup_dir );
secupress_mkdir_p( $tmp_dir );
if ( $is_apache ) {
$file = '.htaccess';
} elseif ( $is_iis7 ) {
$file = 'web.config';
} elseif ( $is_nginx ) {
return wp_is_writable( $backup_dir ) && wp_is_writable( $tmp_dir );
} else {
return false;
}
$file = $backups_dir . $file;
if ( $filesystem->exists( $file ) ) {
return wp_is_writable( $backup_dir ) && wp_is_writable( $tmp_dir );
}
$filesystem->put_contents( $file, secupress_backup_get_protection_content() );
return wp_is_writable( $backup_dir ) && wp_is_writable( $tmp_dir ) && $filesystem->exists( $file );
}
/**
* Get rules to be added to a `.htaccess`/`nginx.conf`/`web.config` file to protect the backups folder.
*
* @since 1.0
*
* @return (string) The rules to insert.
*/
function secupress_backup_get_protection_content() {
global $is_apache, $is_nginx, $is_iis7;
$file_content = '';
if ( $is_apache ) {
// Apache.
$file_content = "Order allow,deny\nDeny from all";
} elseif ( $is_iis7 ) {
/*
* IIS7.
* https://www.iis.net/configreference/system.webserver/security/authorization
* https://technet.microsoft.com/en-us/library/cc772441%28v=ws.10%29.aspx
*/
$file_content = '
';
} elseif ( $is_nginx ) {
// Nginx.
$backup_dir = secupress_get_local_backups_path( true );
$path = secupress_get_rewrite_bases();
$path = $path['home_from'] . rtrim( dirname( $backup_dir ), '/' );
$file_content = "
server {
location ~* $path {
deny all;
}
}";
}
return $file_content;
}
/**
* Put contents with 'ab' (the end of) param instead of 'wb' (the begining of)
*
* @since 1.4.6
* @param (string) $file The backup file.
* @param (string) $contents The backup content.
* @author Julio Potier
**/
function secupress_backup_put_contents( $file, $contents ) {
$fp = @fopen( $file, 'ab' );
if ( ! $fp ) {
return false;
}
mbstring_binary_safe_encoding();
$data_length = strlen( $contents );
$bytes_written = fwrite( $fp, $contents );
reset_mbstring_encoding();
fclose( $fp );
}