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3.4 KiB

<?php
if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed');
class UpdraftPlus_Database_Utility {
private $whichdb;
private $table_prefix_raw;
private $dbhandle;
public function __construct($whichdb, $table_prefix_raw, $dbhandle) {
$this->whichdb = $whichdb;
$this->table_prefix_raw = $table_prefix_raw;
$this->dbhandle = $dbhandle;
}
/**
* The purpose of this function is to make sure that the options table is put in the database first, then the users table, then the site + blogs tables (if present - multisite), then the usermeta table; and after that the core WP tables - so that when restoring we restore the core tables first
*
* @param [array] $a_arr the first array
* @param [array] $b_arr the second array
* @return [array] returns a sorted array
*/
public function backup_db_sorttables($a_arr, $b_arr) {
$a = $a_arr['name'];
$a_table_type = $a_arr['type'];
$b = $b_arr['name'];
$b_table_type = $b_arr['type'];
// Views must always go after tables (since they can depend upon them)
if ('VIEW' == $a_table_type && 'VIEW' != $b_table_type) return 1;
if ('VIEW' == $b_table_type && 'VIEW' != $a_table_type) return -1;
if ('wp' != $this->whichdb) return strcmp($a, $b);
global $updraftplus;
if ($a == $b) return 0;
$our_table_prefix = $this->table_prefix_raw;
if ($a == $our_table_prefix.'options') return -1;
if ($b == $our_table_prefix.'options') return 1;
if ($a == $our_table_prefix.'site') return -1;
if ($b == $our_table_prefix.'site') return 1;
if ($a == $our_table_prefix.'blogs') return -1;
if ($b == $our_table_prefix.'blogs') return 1;
if ($a == $our_table_prefix.'users') return -1;
if ($b == $our_table_prefix.'users') return 1;
if ($a == $our_table_prefix.'usermeta') return -1;
if ($b == $our_table_prefix.'usermeta') return 1;
if (empty($our_table_prefix)) return strcmp($a, $b);
try {
$core_tables = array_merge($this->dbhandle->tables, $this->dbhandle->global_tables, $this->dbhandle->ms_global_tables);
} catch (Exception $e) {
$updraftplus->log($e->getMessage());
}
if (empty($core_tables)) $core_tables = array('terms', 'term_taxonomy', 'termmeta', 'term_relationships', 'commentmeta', 'comments', 'links', 'postmeta', 'posts', 'site', 'sitemeta', 'blogs', 'blogversions');
$na = $updraftplus->str_replace_once($our_table_prefix, '', $a);
$nb = $updraftplus->str_replace_once($our_table_prefix, '', $b);
if (in_array($na, $core_tables) && !in_array($nb, $core_tables)) return -1;
if (!in_array($na, $core_tables) && in_array($nb, $core_tables)) return 1;
return strcmp($a, $b);
}
}
class UpdraftPlus_WPDB_OtherDB_Utility extends wpdb {
/**
* This adjusted bail() does two things: 1) Never dies and 2) logs in the UD log
*
* @param [string] $message a string containing a message
* @param [string] $error_code a string containing an error code
* @return [bool] returns false
*/
public function bail( $message, $error_code = '500' ) {
global $updraftplus;
if ('db_connect_fail' == $error_code) $message = 'Connection failed: check your access details, that the database server is up, and that the network connection is not firewalled.';
$updraftplus->log("WPDB_OtherDB error: $message ($error_code)");
// Now do the things that would have been done anyway
if (class_exists('WP_Error'))
$this->error = new WP_Error($error_code, $message);
else $this->error = $message;
return false;
}
}