dzzoffice/admin/system/database.php
小胡 77979b6ed5
更新至V2.3.2版本,离线升级的用户需要执行升级程序 (#278)
* 优化百度编辑器,修复编辑器插入的图片不能预览问题

* 处理系统异常时登录无反应问题

* 更新至V2.3.1版本,离线升级的用户需要执行升级程序
2025-01-16 21:17:09 +08:00

658 lines
24 KiB
PHP

<?php
/*
* @copyright Leyun internet Technology(Shanghai)Co.,Ltd
* @license http://www.dzzoffice.com/licenses/license.txt
* @package DzzOffice
* @link http://www.dzzoffice.com
* @author zyx(zyx@dzz.cc)
*/
if (!defined('IN_DZZ') || !defined('IN_ADMIN')) {
exit('Access Denied');
}
error_reporting(E_ERROR);
$db = &DB::object();
$tabletype = $db -> version() > '4.1' ? 'Engine' : 'Type';
$tablepre = $_G['config']['db'][1]['tablepre'];
$dbcharset = $_G['config']['db'][1]['dbcharset'];
$backupdir = C::t('setting') -> fetch('backupdir');
if (!$backupdir) {
$backupdir = random(6);
@mkdir('./data/backup_' . $backupdir, 0777);
C::t('setting') -> update('backupdir', $backupdir);
}
$backupdir = 'backup_' . $backupdir;
if (!is_dir('./data/' . $backupdir)) {
mkdir('./data/' . $backupdir, 0777);
}
$operation = $_GET['operation'] ? $_GET['operation'] : 'export';
$op = isset($_GET['op']) ? $_GET['op'] : '';
if ($operation == 'export') {
$navtitle = lang('database_export') . ' - ' . lang('appname');
if (!submitcheck('exportsubmit', 1)) {
$shelldisabled = function_exists('shell_exec') ? '' : 'disabled';
$tables = '';
$dztables = array();
$tables = C::t('setting') -> fetch('custombackup', true);
$dzz_tables = fetchtablelist($tablepre);
foreach ($dzz_tables as $table) {
$dztables[$table['Name']] = $table['Name'];
}
$defaultfilename = date('ymd') . '_' . random(8);
} else {
$submit = true;
DB::query('SET SQL_QUOTE_SHOW_CREATE=0', 'SILENT');
if (!$_GET['filename'] || preg_match("/(\.)(exe|jsp|asp|aspx|cgi|fcgi|pl)(\.|$)/i", $_GET['filename'])) {
showmessage('database_export_filename_invalid');
}
if(!preg_match("/^[a-zA-Z0-9_]+$/i",$_GET['filename'])){
showmessage('database_export_filename_invalid');
}
$time = dgmdate(TIMESTAMP);
if ($_GET['type'] == 'dzz') {
$tables = arraykeys2(fetchtablelist($tablepre), 'Name');
} elseif ($_GET['type'] == 'custom') {
$tables = array();
$alltables= arraykeys2(fetchtablelist($tablepre), 'Name');
if (empty($_GET['setup'])) {
$tables = C::t('setting') -> fetch('custombackup', true);
} else {
C::t('setting') -> update('custombackup', empty($_GET['customtables']) ? '' : $_GET['customtables']);
$tables = $_GET['customtables'];
}
//验证表名是否正确
foreach($tables as $key => $table){
if(!in_array($table,$alltables)) unset($tables[$key]);
}
if (!is_array($tables) || empty($tables)) {
showmessage('database_export_custom_invalid');
}
}
$memberexist = array_search(DB::table('user'), $tables);
if ($memberexist !== FALSE) {
unset($tables[$memberexist]);
array_unshift($tables, DB::table('user'));
}
$volume = intval($_GET['volume']) + 1;
$idstring = '# Identify: ' . base64_encode($_G['timestamp']."," . $_G['setting']['version'] . "," .$_GET['type']."," .$_GET['method']."," .$volume."," .$tablepre."," .$dbcharset) . "\n";
$dumpcharset = $_GET['sqlcharset'] ? $_GET['sqlcharset'] : str_replace('-', '', $_G['charset']);
$setnames = ($_GET['sqlcharset'] && $db -> version() > '4.1' && (!$_GET['sqlcompat'] || $_GET['sqlcompat'] == 'MYSQL41')) ? "SET NAMES '$dumpcharset';\n\n" : '';
if ($db -> version() > '4.1') {
if ($_GET['sqlcharset']) {
DB::query('SET NAMES %s', array($_GET['sqlcharset']));
}
if ($_GET['sqlcompat'] == 'MYSQL40') {
DB::query("SET SQL_MODE='MYSQL40'");
} elseif ($_GET['sqlcompat'] == 'MYSQL41') {
DB::query("SET SQL_MODE=''");
}
}
$backupfilename = './data/' . $backupdir . '/' . str_replace(array('/', '\\', '.', "'"), '', $_GET['filename']);
if ($_GET['usezip']) {
require_once './core/class/class_zip.php';
}
if ($_GET['method'] == 'multivol') {
$sqldump = '';
$tableid = intval($_GET['tableid']);
$startfrom = intval($_GET['startfrom']);
if (!$tableid && $volume == 1) {
foreach ($tables as $table) {
$sqldump .= sqldumptablestruct($table);
}
}
$complete = TRUE;
for (; $complete && $tableid < count($tables) && strlen($sqldump) + 500 < $_GET['sizelimit'] * 1000; $tableid++) {
$sqldump .= sqldumptable($tables[$tableid], $startfrom, strlen($sqldump));
if ($complete) {
$startfrom = 0;
}
}
$dumpfile = $backupfilename . "-%s" . '.sql';
!$complete && $tableid--;
if (trim($sqldump)) {
$sqldump = "$idstring" . "# <?php exit();?>\n" . "# DzzOffice Multi-Volume Data Dump Vol.$volume\n" . "# Version: DzzOffice! " . $_G['setting']['version'] . "\n" . "# Time: $time\n" . "# Type: {$_GET['type']}\n" . "# Table Prefix: $tablepre\n" . "#\n" . "# Dzz! Home: http://www.dzzoffice.com\n" . "# Please visit our website for newest infomation about DzzOffice\n" . "# --------------------------------------------------------\n\n\n" . "$setnames" . $sqldump;
$dumpfilename = sprintf($dumpfile, $volume);
@$fp = fopen($dumpfilename, 'wb');
@flock($fp, 2);
if (@!fwrite($fp, $sqldump)) {
@fclose($fp);
showmessage('database_export_file_invalid', '', 'error');
} else {
fclose($fp);
if ($_GET['usezip'] == 2) {
$fp = fopen($dumpfilename, "r");
$content = @fread($fp, filesize($dumpfilename));
fclose($fp);
$zip = new zipfile();
$zip -> addFile($content, basename($dumpfilename));
$fp = fopen(sprintf($backupfilename . "-%s" . '.zip', $volume), 'w');
if (@fwrite($fp, $zip -> file()) !== FALSE) {
@unlink($dumpfilename);
}
fclose($fp);
}
unset($sqldump, $zip, $content);
$redirecturl = BASESCRIPT . "?mod=system&op=database&operation=export&type=" . rawurlencode($_GET['type']) . "&saveto=server&filename=" . rawurlencode($_GET['filename']) . "&method=multivol&sizelimit=" . rawurlencode($_GET['sizelimit']) . "&volume=" . rawurlencode($volume) . "&tableid=" . rawurlencode($tableid) . "&startfrom=" . rawurlencode($startrow) . "&extendins=" . rawurlencode($_GET['extendins']) . "&sqlcharset=" . rawurlencode($_GET['sqlcharset']) . "&sqlcompat=" . rawurlencode($_GET['sqlcompat']) . "&exportsubmit=yes&usehex={$_GET['usehex']}&usezip={$_GET['usezip']}";
$msg = lang('database_export_multivol_redirect', array('volume' => $volume));
$msg_type = 'success';
}
} else {
$msg = '';
$volume--;
$filelist = '<ol class="list-group list-group-numbered">';
if ($_GET['usezip'] == 1) {
$zip = new zipfile();
$zipfilename = $backupfilename . '.zip';
$unlinks = array();
for ($i = 1; $i <= $volume; $i++) {
$filename = sprintf($dumpfile, $i);
$fp = fopen($filename, "r");
$content = @fread($fp, filesize($filename));
fclose($fp);
$zip -> addFile($content, basename($filename));
$unlinks[] = $filename;
$filelist .= "<li class=\"list-group-item\"><a href=\"$filename\">$filename</a></li>\n";
}
$fp = fopen($zipfilename, 'w');
if (@fwrite($fp, $zip -> file()) !== FALSE) {
foreach ($unlinks as $link) {
@unlink($link);
}
} else {
C::t('cache') -> insert(array('cachekey' => 'db_export', 'cachevalue' => serialize(array('dateline' => $_G['timestamp'])), 'dateline' => $_G['timestamp'], ), false, true);
$msg .= lang('database_export_multivol_succeed', array('volume' => $volume, 'filelist' => $filelist));
$msg_type = 'success';
}
unset($sqldump, $zip, $content);
fclose($fp);
@touch('./data/' . $backupdir . '/index.htm');
$filename = $zipfilename;
C::t('cache') -> insert(array('cachekey' => 'db_export', 'cachevalue' => serialize(array('dateline' => $_G['timestamp'])), 'dateline' => $_G['timestamp'], ), false, true);
$msg .= lang('database_export_zip_succeed', array('filename' => $filename));
$msg_type = 'success';
} else {
@touch('./data/' . $backupdir . '/index.htm');
for ($i = 1; $i <= $volume; $i++) {
$filename = sprintf($_GET['usezip'] == 2 ? $backupfilename . "-%s" . '.zip' : $dumpfile, $i);
$filelist .= "<li class=\"list-group-item\"><a href=\"$filename\">$filename</a></li>\n";
}
C::t('cache') -> insert(array('cachekey' => 'db_export', 'cachevalue' => serialize(array('dateline' => $_G['timestamp'])), 'dateline' => $_G['timestamp'], ), false, true);
$msg .= lang('database_export_multivol_succeed', array('volume' => $volume, 'filelist' => $filelist));
$msg_type = 'success';
}
}
} else {
$tablesstr = '';
foreach ($tables as $table) {
$tablesstr .= '"' . addslashes($table) . '" ';
}
//$tablesstr=escapeshellarg($tablesstr);
require DZZ_ROOT . './config/config.php';
$dbhost=$_config['db'][1]['dbhost'];
$dbport=$_config['db'][1]['port'];
$dbuser=$_config['db'][1]['dbuser'];
$dbpw=$_config['db'][1]['dbpw'];
$dbname=$_config['db'][1]['dbname'];
$query = DB::query("SHOW VARIABLES LIKE 'basedir'");
$arr = DB::fetch($query);
$mysql_base=rtrim($arr['Value'],'/').'/';
$dumpfile = DZZ_ROOT . $backupfilename . '.sql';
@unlink($dumpfile);
$mysqlbin = $mysql_base == '/' ? '' : addslashes($mysql_base) . 'bin/';
@shell_exec($mysqlbin . 'mysqldump --force --quick ' . ($db -> version() > '4.1' ? '--skip-opt --create-options' : '-all') . ' --add-drop-table' . ($_GET['extendins'] == 1 ? ' --extended-insert' : '') . '' . ($db -> version() > '4.1' && $_GET['sqlcompat'] == 'MYSQL40' ? ' --compatible=mysql40' : '') . ' --host="' . $dbhost . ($dbport ? (is_numeric($dbport) ? ' --port=' . $dbport : ' --socket="' . $dbport . '"') : '') . '" --user="' . $dbuser . '" --password="' . $dbpw . '" "' . $dbname . '" ' . $tablesstr . ' > ' . $dumpfile);
if (@file_exists($dumpfile)) {
if ($_GET['usezip']) {
require_once libfile('class/zip');
$zip = new zipfile();
$zipfilename = $backupfilename . '.zip';
$fp = fopen($dumpfile, "r");
$content = @fread($fp, filesize($dumpfile));
fclose($fp);
$zip -> addFile($idstring . "# <?php exit();?>\n " . $setnames . "\n #" . $content, basename($dumpfile));
$fp = fopen($zipfilename, 'w');
@fwrite($fp, $zip -> file());
fclose($fp);
@unlink($dumpfile);
@touch('./data/' . $backupdir . '/index.htm');
$filename = $backupfilename . '.zip';
unset($sqldump, $zip, $content);
C::t('cache') -> insert(array('cachekey' => 'db_export', 'cachevalue' => serialize(array('dateline' => $_G['timestamp'])), 'dateline' => $_G['timestamp'], ), false, true);
$msg = lang('database_export_zip_succeed', array('filename' => $filename));
$msg_type = 'success';
} else {
if (@is_writeable($dumpfile)) {
$fp = fopen($dumpfile, 'rb+');
@fwrite($fp, $idstring . "# <?php exit();?>\n " . $setnames . "\n #");
fclose($fp);
}
@touch('./data/' . $backupdir . '/index.htm');
$filename = $backupfilename . '.sql';
C::t('cache') -> insert(array('cachekey' => 'db_export', 'cachevalue' => serialize(array('dateline' => $_G['timestamp'])), 'dateline' => $_G['timestamp'], ), false, true);
$msg = lang('database_export_succeed', array('filename' => $filename));
$msg_type = 'success';
}
} else {
$msg = lang('database_shell_fail');
$msg_type = 'danger';
}
}
}
include template('database');
} elseif ($operation == 'import') {
$msg = '';
$navtitle = lang('db_recover') . ' - ' . lang('appname');
if (($re = checkpermission('dbimport')) !== true) {
$msg = $re;
$msg_type = 'danger';
include template('database');
exit();
}
if (!submitcheck('deletesubmit')) {
$exportlog = $exportsize = $exportziplog = array();
if (is_dir(DZZ_ROOT . './data/' . $backupdir)) {
$dir = dir(DZZ_ROOT . './data/' . $backupdir);
while ($entry = $dir -> read()) {
$entry = './data/' . $backupdir . '/' . $entry;
if (is_file($entry)) {
if (preg_match("/\.sql$/i", $entry)) {
$filesize = filesize($entry);
$fp = fopen($entry, 'rb');
$identify = explode(',', base64_decode(preg_replace("/^# Identify:\s*(\w+).*/s", "\\1", fgets($fp, 256))));
fclose($fp);
$key = preg_replace('/^(.+?)(\-\d+)\.sql$/i', '\\1', basename($entry));
$exportlog[$key][$identify[4]] = array('version' => $identify[1], 'type' => $identify[2], 'method' => $identify[3], 'volume' => $identify[4], 'filename' => $entry, 'dateline' => filemtime($entry), 'size' => $filesize);
$exportsize[$key] += $filesize;
} elseif (preg_match("/\.zip$/i", $entry)) {
$filesize = filesize($entry);
$exportziplog[] = array('type' => 'zip', 'filename' => $entry, 'size' => filesize($entry), 'dateline' => filemtime($entry));
}
}
}
$dir -> close();
} else {
$msg = lang('database_export_dest_invalid');
$msg_type = 'danger';
include template('database');
exit();
}
$restore_url = $_G['siteurl'] . 'data/restore.php';
$do_import_option = lang('do_import_option', array('restore_url' => $restore_url));
$datasiteurl = $_G['siteurl'] . 'data/';
$lang = lang();
$list = array();
foreach ($exportlog as $key => $val) {
$info = $val[1];
$info['dateline'] = is_int($info['dateline']) ? dgmdate($info['dateline']) : $lang['unknown'];
$info['ftype'] = lang('db_export_' . $info['type']);
$info['size'] = sizecount($exportsize[$key]);
$info['volume'] = count($val);
$info['method'] = $info['type'] != 'zip' ? ($info['method'] == 'multivol' ? lang('db_multivol') : lang('db_shell')) : '';
$info['datafile_server'] = '.' . $info['filename'];
$list[$key] = $info;
foreach ($val as $info) {
$info['dateline'] = is_int($info['dateline']) ? dgmdate($info['dateline']) : lang('unknown');
$info['size'] = sizecount($info['size']);
$list[$key]['list'][$key . '-' . $info['volume'] . '.sql'] = $info;
}
}
foreach ($exportziplog as $info) {
$info['dateline'] = is_int($info['dateline']) ? dgmdate($info['dateline']) : $lang['unknown'];
$info['size'] = sizecount($info['size']);
$info['ftype'] = lang('db_export_' . $info['type']);
$info['method'] = $info['method'] == 'multivol' ? $lang['db_multivol'] : $lang['db_zip'];
$info['datafile_server'] = '.' . $info['filename'];
$key = substr(strrchr($info['filename'], "/"), 1);
$list[$key] = $info;
}
} else {
if (is_array($_GET['delete'])) {
foreach ($_GET['delete'] as $filename) {
$file_path = './data/' . $backupdir . '/' . str_replace(array('/', '\\'), '', $filename);
if (is_file($file_path)) {
@unlink($file_path);
} else {
$i = 1;
while (1) {
$file_path = './data/' . $backupdir . '/' . str_replace(array('/', '\\'), '', $filename . '-' . $i . '.sql');
if (is_file($file_path)) {
@unlink($file_path);
$i++;
} else {
break;
}
}
}
}
$msg = lang('database_file_delete_succeed');
$msg_type = 'success';
$redirecturl = dreferer();
} else {
$msg = lang('database_file_delete_invalid');
$msg_type = 'danger';
$redirecturl = dreferer();
}
}
include template('database');
} elseif ($operation == 'runquery') {
$navtitle = lang('nav_db_runquery') . ' - ' . lang('appname');
$checkperm = checkpermission('runquery', 0);
if ($checkperm !== true) {
$msg = $checkperm;
$msg_type = 'danger';
include template('database');
exit();
}
$runquerys = array();
if (!submitcheck('sqlsubmit')) {
} else {
$queries = $_GET['queries'];
$sqlquery = splitsql(str_replace(array(' {tablepre}', ' cdb_', ' `cdb_', ' pre_', ' `pre_'), array(' ' . $tablepre, ' ' . $tablepre, ' `' . $tablepre, ' ' . $tablepre, ' `' . $tablepre), $queries));
$affected_rows = 0;
foreach ($sqlquery as $sql) {
if (trim($sql) != '') {
$sql = !empty($_GET['createcompatible']) ? syntablestruct(trim($sql), $db -> version() > '4.1', $dbcharset) : $sql;
DB::query($sql, 'SILENT');
if ($sqlerror = DB::error()) {
break;
} else {
$affected_rows += intval(DB::affected_rows());
}
}
}
if ($sqlerror) {
$msg = lang('database_run_query_invalid', array('sqlerror' => $sqlerror));
$msg_type = 'danger';
$redirecturl = dreferer();
} else {
$msg = lang('database_run_query_succeed', array('affected_rows' => $affected_rows));
$msg_type = 'success';
$redirecturl = dreferer();
}
}
include template('database');
}
function createtable($sql, $dbcharset) {
$type = strtoupper(preg_replace("/^\s*CREATE TABLE\s+.+\s+\(.+?\).*(ENGINE|TYPE)\s*=\s*([a-z]+?).*$/isU", "\\2", $sql));
$type = in_array($type, array('MYISAM', 'HEAP')) ? $type : 'MYISAM';
return preg_replace("/^\s*(CREATE TABLE\s+.+\s+\(.+?\)).*$/isU", "\\1", $sql) . (mysql_get_server_info() > '4.1' ? " ENGINE=$type DEFAULT CHARSET=$dbcharset" : " TYPE=$type");
}
function fetchtablelist($tablepre = '') {
global $db;
$arr = explode('.', $tablepre);
$dbname = $arr[1] ? $arr[0] : '';
$tablepre = str_replace('_', '\_', $tablepre);
$sqladd = $dbname ? " FROM $dbname LIKE '$arr[1]%'" : "LIKE '$tablepre%'";
$tables = $table = array();
$query = DB::query("SHOW TABLE STATUS $sqladd");
while ($table = DB::fetch($query)) {
$table['Name'] = ($dbname ? "$dbname." : '') . $table['Name'];
$tables[] = $table;
}
return $tables;
}
function arraykeys2($array, $key2) {
$return = array();
foreach ($array as $val) {
$return[] = $val[$key2];
}
return $return;
}
function syntablestruct($sql, $version, $dbcharset) {
if (strpos(trim(substr($sql, 0, 18)), 'CREATE TABLE') === FALSE) {
return $sql;
}
$sqlversion = strpos($sql, 'ENGINE=') === FALSE ? FALSE : TRUE;
if ($sqlversion === $version) {
return $sqlversion && $dbcharset ? preg_replace(array('/ character set \w+/i', '/ collate \w+/i', "/DEFAULT CHARSET=\w+/is"), array('', '', "DEFAULT CHARSET=$dbcharset"), $sql) : $sql;
}
if ($version) {
return preg_replace(array('/TYPE=HEAP/i', '/TYPE=(\w+)/is'), array("ENGINE=MEMORY DEFAULT CHARSET=$dbcharset", "ENGINE=\\1 DEFAULT CHARSET=$dbcharset"), $sql);
} else {
return preg_replace(array('/character set \w+/i', '/collate \w+/i', '/ENGINE=MEMORY/i', '/\s*DEFAULT CHARSET=\w+/is', '/\s*COLLATE=\w+/is', '/ENGINE=(\w+)(.*)/is'), array('', '', 'ENGINE=HEAP', '', '', 'TYPE=\\1\\2'), $sql);
}
}
function sqldumptablestruct($table) {
global $_G, $db, $excepttables;
if (in_array($table, $excepttables)) {
return;
}
$createtable = DB::query("SHOW CREATE TABLE $table", 'SILENT');
if (!DB::error()) {
$tabledump = "DROP TABLE IF EXISTS $table;\n";
} else {
return '';
}
$create = $db -> fetch_row($createtable);
if (strpos($table, '.') !== FALSE) {
$tablename = substr($table, strpos($table, '.') + 1);
$create[1] = str_replace("CREATE TABLE $tablename", 'CREATE TABLE ' . $table, $create[1]);
}
$tabledump .= $create[1];
if ($_GET['sqlcompat'] == 'MYSQL41' && $db -> version() < '4.1') {
$tabledump = preg_replace("/TYPE\=(.+)/", "ENGINE=\\1 DEFAULT CHARSET=" . $dumpcharset, $tabledump);
}
if ($db -> version() > '4.1' && $_GET['sqlcharset']) {
$tabledump = preg_replace("/(DEFAULT)*\s*CHARSET=.+/", "DEFAULT CHARSET=" . $_GET['sqlcharset'], $tabledump);
}
$tablestatus = DB::fetch_first("SHOW TABLE STATUS LIKE '$table'");
$tabledump .= ($tablestatus['Auto_increment'] ? (" AUTO_INCREMENT=".$tablestatus['Auto_increment']) : ''). ";\n\n";
if ($_GET['sqlcompat'] == 'MYSQL40' && $db -> version() >= '4.1' && $db -> version() < '5.1') {
if ($tablestatus['Auto_increment'] <> '') {
$temppos = strpos($tabledump, ',');
$tabledump = substr($tabledump, 0, $temppos) . ' auto_increment' . substr($tabledump, $temppos);
}
if ($tablestatus['Engine'] == 'MEMORY') {
$tabledump = str_replace('TYPE=MEMORY', 'TYPE=HEAP', $tabledump);
}
}
return $tabledump;
}
function sqldumptable($table, $startfrom = 0, $currsize = 0) {
global $_G, $db, $startrow, $dumpcharset, $complete, $excepttables;
$offset = 300;
$tabledump = '';
$tablefields = array();
$query = DB::query("SHOW FULL COLUMNS FROM $table", 'SILENT');
if (strexists($table, 'adminsessions')) {
return;
} elseif (!$query && DB::errno() == 1146) {
return;
} elseif (!$query) {
$_GET['usehex'] = FALSE;
} else {
while ($fieldrow = DB::fetch($query)) {
$tablefields[] = $fieldrow;
}
}
if (!in_array($table, $excepttables)) {
$tabledumped = 0;
$numrows = $offset;
$firstfield = $tablefields[0];
if ($_GET['extendins'] == '0') {
while ($currsize + strlen($tabledump) + 500 < $_GET['sizelimit'] * 1000 && $numrows == $offset) {
if ($firstfield['Extra'] == 'auto_increment') {
$selectsql = "SELECT * FROM $table WHERE ".$firstfield['Field']." > ".$startfrom." ORDER BY ".$firstfield['Field']." LIMIT " .$offset;
} else {
$selectsql = "SELECT * FROM $table LIMIT $startfrom, $offset";
}
$tabledumped = 1;
$rows = DB::query($selectsql);
$numfields = $db -> num_fields($rows);
$numrows = DB::num_rows($rows);
while ($row = $db -> fetch_row($rows)) {
$comma = $t = '';
for ($i = 0; $i < $numfields; $i++) {
$t .= $comma . ($_GET['usehex'] && !empty($row[$i]) && (strexists($tablefields[$i]['Type'], 'char') || strexists($tablefields[$i]['Type'], 'text')) ? '0x' . bin2hex($row[$i]) : '\'' . ($db->escape_string($row[$i])) . '\'');
$comma = ',';
}
if (strlen($t) + $currsize + strlen($tabledump) + 500 < $_GET['sizelimit'] * 1000) {
if ($firstfield['Extra'] == 'auto_increment') {
$startfrom = $row[0];
} else {
$startfrom++;
}
$tabledump .= "INSERT INTO $table VALUES ($t);\n";
} else {
$complete = FALSE;
break 2;
}
}
}
} else {
while ($currsize + strlen($tabledump) + 500 < $_GET['sizelimit'] * 1000 && $numrows == $offset) {
if ($firstfield['Extra'] == 'auto_increment') {
$selectsql = "SELECT * FROM $table WHERE ".$firstfield['Field']." > ".$startfrom." LIMIT " .$offset;
} else {
$selectsql = "SELECT * FROM $table LIMIT $startfrom, $offset";
}
$tabledumped = 1;
$rows = DB::query($selectsql);
$numfields = $db -> num_fields($rows);
if ($numrows = DB::num_rows($rows)) {
$t1 = $comma1 = '';
while ($row = $db -> fetch_row($rows)) {
$t2 = $comma2 = '';
for ($i = 0; $i < $numfields; $i++) {
$t2 .= $comma2 . ($_GET['usehex'] && !empty($row[$i]) && (strexists($tablefields[$i]['Type'], 'char') || strexists($tablefields[$i]['Type'], 'text')) ? '0x' . bin2hex($row[$i]) : '\'' . ($db->escape_string($row[$i])) . '\'');
$comma2 = ',';
}
if (strlen($t1) + $currsize + strlen($tabledump) + 500 < $_GET['sizelimit'] * 1000) {
if ($firstfield['Extra'] == 'auto_increment') {
$startfrom = $row[0];
} else {
$startfrom++;
}
$t1 .= "$comma1 ($t2)";
$comma1 = ',';
} else {
$tabledump .= "INSERT INTO $table VALUES $t1;\n";
$complete = FALSE;
break 2;
}
}
$tabledump .= "INSERT INTO $table VALUES $t1;\n";
}
}
}
$startrow = $startfrom;
$tabledump .= "\n";
}
return $tabledump;
}
function splitsql($sql) {
$sql = str_replace("\r", "\n", $sql);
$ret = array();
$num = 0;
$queriesarray = explode(";\n", trim($sql));
unset($sql);
foreach ($queriesarray as $query) {
$queries = explode("\n", trim($query));
foreach ($queries as $query) {
$ret[$num] .= $query[0] == "#" ? NULL : $query;
}
$num++;
}
return ($ret);
}
function slowcheck($type1, $type2) {
$t1 = explode(' ', $type1);
$t1 = $t1[0];
$t2 = explode(' ', $type2);
$t2 = $t2[0];
$arr = array($t1, $t2);
sort($arr);
if ($arr == array('mediumtext', 'text')) {
return TRUE;
} elseif (substr($arr[0], 0, 4) == 'char' && substr($arr[1], 0, 7) == 'varchar') {
return TRUE;
}
return FALSE;
}
function checkpermission($action, $break = 1) {
global $_G;
if (!isset($_G['config']['admincp'])) {
return lang('db_config_admincp');
} elseif (!$_G['config']['admincp'][$action]) {
return lang('db_not_allow_config_admincp');
} else {
return true;
}
}
?>