/**
* MyBB 1.6
* Copyright 2010 MyBB Group, All Rights Reserved
*
* Website: http://mybb.com
* License: http://mybb.com/about/license
*
* $Id: backupdb.php 5297 2010-12-28 22:01:14Z Tomm $
*/
function task_backupdb($task)
{
global $db, $config, $lang;
static $contents;
@set_time_limit(0);
if (!defined('MYBB_ADMIN_DIR')) {
if (!isset($config['admin_dir'])) {
$config['admin_dir'] = "admin";
}
define('MYBB_ADMIN_DIR', MYBB_ROOT . $config['admin_dir'] . '/');
}
// Check if folder is writable, before allowing submission
if (!is_writable(MYBB_ADMIN_DIR . "/backups")) {
add_task_log($task, $lang->task_backup_cannot_write_backup);
} else {
$db->set_table_prefix('');
$file = MYBB_ADMIN_DIR . 'backups/backup_' . substr(md5($mybb->user['uid'] . TIME_NOW), 0, 10) . random_str(54);
if (function_exists('gzopen')) {
$fp = gzopen($file . '.sql.gz', 'w9');
} else {
$fp = fopen($file . '.sql', 'w');
}
$tables = $db->list_tables($config['database']['database'], $config['database']['table_prefix']);
$time = date('dS F Y \\a\\t H:i', TIME_NOW);
$header = "-- MyBB Database Backup\n-- Generated: {$time}\n-- -------------------------------------\n\n";
$contents = $header;
foreach ($tables as $table) {
$field_list = array();
$fields_array = $db->show_fields_from($table);
foreach ($fields_array as $field) {
$field_list[] = $field['Field'];
}
$fields = "`" . implode("`,`", $field_list) . "`";
$structure = $db->show_create_table($table) . ";\n";
$contents .= $structure;
clear_overflow($fp, $contents);
$query = $db->simple_select($table);
while ($row = $db->fetch_array($query)) {
$insert = "INSERT INTO {$table} ({$fields}) VALUES (";
$comma = '';
foreach ($field_list as $field) {
if (!isset($row[$field]) || is_null($row[$field])) {
$insert .= $comma . "NULL";
} else {
$insert .= $comma . "'" . $db->escape_string($row[$field]) . "'";
}
$comma = ',';
}
$insert .= ");\n";
$contents .= $insert;
clear_overflow($fp, $contents);
}
}
$db->set_table_prefix(TABLE_PREFIX);
if (function_exists('gzopen')) {
gzwrite($fp, $contents);
gzclose($fp);
} else {
fwrite($fp, $contents);
fclose($fp);
}
add_task_log($task, $lang->task_backup_ran);
}
}
if ($mybb->input['contents'] != 'structure') {
$query = $db->simple_select($table);
while ($row = $db->fetch_array($query)) {
$insert = "INSERT INTO {$table} ({$fields}) VALUES (";
$comma = '';
foreach ($field_list as $field) {
if (!isset($row[$field]) || is_null($row[$field])) {
$insert .= $comma . "NULL";
} else {
$insert .= $comma . "'" . $db->escape_string($row[$field]) . "'";
}
$comma = ',';
}
$insert .= ");\n";
$contents .= $insert;
clear_overflow($fp, $contents);
}
}
}
$db->set_table_prefix(TABLE_PREFIX);
if ($mybb->input['method'] == 'disk') {
if ($mybb->input['filetype'] == 'gzip') {
gzwrite($fp, $contents);
gzclose($fp);
} else {
fwrite($fp, $contents);
fclose($fp);
}
if ($mybb->input['filetype'] == 'gzip') {
$ext = '.sql.gz';
} else {
/**
* MyBB 1.8
* Copyright 2014 MyBB Group, All Rights Reserved
*
* Website: http://www.mybb.com
* License: http://www.mybb.com/about/license
*
*/
function task_backupdb($task)
{
global $db, $config, $lang, $plugins;
static $contents;
@set_time_limit(0);
if (!defined('MYBB_ADMIN_DIR')) {
if (!isset($config['admin_dir'])) {
$config['admin_dir'] = "admin";
}
define('MYBB_ADMIN_DIR', MYBB_ROOT . $config['admin_dir'] . '/');
}
// Check if folder is writable, before allowing submission
if (!is_writable(MYBB_ADMIN_DIR . "/backups")) {
add_task_log($task, $lang->task_backup_cannot_write_backup);
} else {
$db->set_table_prefix('');
$file = MYBB_ADMIN_DIR . 'backups/backup_' . date("_Ymd_His_") . random_str(16);
if (function_exists('gzopen')) {
$fp = gzopen($file . '.incomplete.sql.gz', 'w9');
} else {
$fp = fopen($file . '.incomplete.sql', 'w');
}
$tables = $db->list_tables($config['database']['database'], $config['database']['table_prefix']);
$time = date('dS F Y \\a\\t H:i', TIME_NOW);
$contents = "-- MyBB Database Backup\n-- Generated: {$time}\n-- -------------------------------------\n\n";
if (is_object($plugins)) {
$args = array('task' => &$task, 'tables' => &$tables);
$plugins->run_hooks('task_backupdb', $args);
}
foreach ($tables as $table) {
$field_list = array();
$fields_array = $db->show_fields_from($table);
foreach ($fields_array as $field) {
$field_list[] = $field['Field'];
}
$fields = "`" . implode("`,`", $field_list) . "`";
$structure = $db->show_create_table($table) . ";\n";
$contents .= $structure;
clear_overflow($fp, $contents);
if ($db->engine == 'mysqli') {
$query = mysqli_query($db->read_link, "SELECT * FROM {$db->table_prefix}{$table}", MYSQLI_USE_RESULT);
} else {
$query = $db->simple_select($table);
}
while ($row = $db->fetch_array($query)) {
$insert = "INSERT INTO {$table} ({$fields}) VALUES (";
$comma = '';
foreach ($field_list as $field) {
if (!isset($row[$field]) || is_null($row[$field])) {
$insert .= $comma . "NULL";
} else {
if ($db->engine == 'mysqli') {
$insert .= $comma . "'" . mysqli_real_escape_string($db->read_link, $row[$field]) . "'";
} else {
$insert .= $comma . "'" . $db->escape_string($row[$field]) . "'";
}
}
$comma = ',';
}
$insert .= ");\n";
$contents .= $insert;
clear_overflow($fp, $contents);
}
$db->free_result($query);
}
$db->set_table_prefix(TABLE_PREFIX);
if (function_exists('gzopen')) {
gzwrite($fp, $contents);
gzclose($fp);
rename($file . '.incomplete.sql.gz', $file . '.sql.gz');
} else {
fwrite($fp, $contents);
fclose($fp);
rename($file . '.incomplete.sql', $file . '.sql');
}
add_task_log($task, $lang->task_backup_ran);
}
}
