?? db.inc.php
字號:
<?php
/*
[Discuz!] (C)2001-2009 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: db.inc.php 17527 2009-01-13 03:05:52Z zhaoxiongfei $
*/
if(!defined('IN_DISCUZ') || !defined('IN_ADMINCP')) {
exit('Access Denied');
}
$tabletype = $db->version() > '4.1' ? 'Engine' : 'Type';
require_once DISCUZ_ROOT.'./include/attachment.func.php';
cpheader();
if(!isfounder()) cpmsg('noaccess_isfounder', '', 'error');
$excepttables = array($tablepre.'adminsessions', $tablepre.'failedlogins', $tablepre.'pmsearchindex', $tablepre.'relatedthreads', $tablepre.'rsscaches', $tablepre.'searchindex', $tablepre.'spacecaches', $tablepre.'sessions');
if(!$backupdir = $db->result_first("SELECT value FROM {$tablepre}settings WHERE variable='backupdir'")) {
$backupdir = random(6);
@mkdir('./forumdata/backup_'.$backupdir, 0777);
$db->query("REPLACE INTO {$tablepre}settings (variable, value) values ('backupdir', '$backupdir')");
}
$backupdir = 'backup_'.$backupdir;
if(!is_dir('./forumdata/'.$backupdir)) {
mkdir('./forumdata/'.$backupdir, 0777);
}
if($operation == 'export') {
if(!submitcheck('exportsubmit', 1)) {
$shelldisabled = function_exists('shell_exec') ? '' : 'disabled';
$tables = '';
$dztables = array();
if($tables = $db->fetch_first("SELECT value FROM {$tablepre}settings WHERE variable='custombackup'")) {
$tables = unserialize($tables['value']);
$tables = is_array($tables) ? $tables : '';
}
$discuz_tables = fetchtablelist($tablepre);
$query = $db->query("SELECT datatables FROM {$tablepre}plugins WHERE datatables<>''");
while($plugin = $db->fetch_array($query)) {
foreach(explode(',', $plugin['datatables']) as $table) {
if($table = trim($table)) {
$discuz_tables[] = array('Name' => $table);
}
}
}
foreach($discuz_tables as $table) {
$dztables[$table[Name]] = $table[Name];
}
$defaultfilename = date('ymd').'_'.random(8);
shownav('tools', 'nav_db', 'nav_db_export');
showsubmenu('nav_db', array(
array('nav_db_export', 'db&operation=export', 1),
array('nav_db_import', 'db&operation=import', 0),
array('nav_db_runquery', 'db&operation=runquery', 0),
array('nav_db_optimize', 'db&operation=optimize', 0),
array('nav_db_dbcheck', 'db&operation=dbcheck', 0)
));
showtips('db_export_tips');
showformheader('db&operation=export&setup=1');
showtableheader();
showsetting('db_export_type', array('type', array(
array('discuz', $lang['db_export_discuz'], array('showtables' => 'none')),
array('custom', $lang['db_export_custom'], array('showtables' => ''))
)), 'discuz', 'mradio');
showtagheader('tbody', 'showtables');
showtablerow('', '', '<input class="checkbox" name="chkall" onclick="checkAll(\'prefix\', this.form, \'customtables\', \'chkall\', true)" checked="checked" type="checkbox" id="chkalltables" /><label for="chkalltables"> '.lang('db_export_custom_select_all').' - '.lang('db_export_discuz_table')).'</label>';
showtablerow('', 'colspan="2"', mcheckbox('customtables', $dztables));
showtagfooter('tbody');
showtagheader('tbody', 'advanceoption');
showsetting('db_export_method', '', '', '<ul class="nofloat"><li><input class="radio" type="radio" name="method" value="shell" '.$shelldisabled.' onclick="if(\''.intval($db->version() < '4.1').'\') {if(this.form.sqlcompat[2].checked==true) this.form.sqlcompat[0].checked=true; this.form.sqlcompat[2].disabled=true; this.form.sizelimit.disabled=true;} else {this.form.sqlcharset[0].checked=true; for(var i=1; i<=5; i++) {if(this.form.sqlcharset[i]) this.form.sqlcharset[i].disabled=true;}}" id="method_shell" /><label="method_shell"> '.$lang['db_export_shell'].'</label></li><li><input class="radio" type="radio" name="method" value="multivol" checked="checked" onclick="this.form.sqlcompat[2].disabled=false; this.form.sizelimit.disabled=false; for(var i=1; i<=5; i++) {if(this.form.sqlcharset[i]) this.form.sqlcharset[i].disabled=false;}" id="method_multivol" /><label for="method_multivol"> '.$lang['db_export_multivol'].'</label> <input type="text" class="txt" size="40" name="sizelimit" value="2048" /></li></ul>');
showtitle('db_export_options');
showsetting('db_export_options_extended_insert', 'extendins', 0, 'radio');
showsetting('db_export_options_sql_compatible', array('sqlcompat', array(
array('', $lang['default']),
array('MYSQL40', 'MySQL 3.23/4.0.x'),
array('MYSQL41', 'MySQL 4.1.x/5.x')
)), '', 'mradio');
showsetting('db_export_options_charset', array('sqlcharset', array(
array('', lang('default')),
$dbcharset ? array($dbcharset, strtoupper($dbcharset)) : array(),
$db->version() > '4.1' && $dbcharset != 'utf8' ? array('utf8', 'UTF-8') : array()
), TRUE), 0, 'mradio');
showsetting('db_export_usehex', 'usehex', 1, 'radio');
if(function_exists('gzcompress')) {
showsetting('db_export_usezip', array('usezip', array(
array('1', $lang['db_export_zip_1']),
array('2', $lang['db_export_zip_2']),
array('0', $lang['db_export_zip_3'])
)), 0, 'mradio');
}
showsetting('db_export_filename', '', '', '<input type="text" class="txt" name="filename" value="'.$defaultfilename.'" />.sql');
showtagfooter('tbody');
showsubmit('exportsubmit', 'submit', '', 'more_options');
showtablefooter();
showformfooter();
} else {
$db->query('SET SQL_QUOTE_SHOW_CREATE=0', 'SILENT');
if(!$filename || preg_match("/(\.)(exe|jsp|asp|aspx|cgi|fcgi|pl)(\.|$)/i", $filename)) {
cpmsg('database_export_filename_invalid', '', 'error');
}
$time = gmdate("$dateformat $timeformat", $timestamp + $timeoffset * 3600);
if($type == 'discuz') {
$tables = arraykeys2(fetchtablelist($tablepre), 'Name');
} elseif($type == 'custom') {
$tables = array();
if(empty($setup)) {
if($tables = $db->fetch_first("SELECT value FROM {$tablepre}settings WHERE variable='custombackup'")) {
$tables = unserialize($tables['value']);
}
} else {
$customtablesnew = empty($customtables)? '' : addslashes(serialize($customtables));
$db->query("REPLACE INTO {$tablepre}settings (variable, value) VALUES ('custombackup', '$customtablesnew')");
$tables = & $customtables;
}
if( !is_array($tables) || empty($tables)) {
cpmsg('database_export_custom_invalid', '', 'error');
}
}
$query = $db->query("SELECT datatables FROM {$tablepre}plugins WHERE datatables<>''");
while($plugin = $db->fetch_array($query)) {
foreach(explode(',', $plugin['datatables']) as $table) {
if($table = trim($table)) {
$tables[] = $table;
}
}
}
$volume = intval($volume) + 1;
$idstring = '# Identify: '.base64_encode("$timestamp,$version,$type,$method,$volume")."\n";
$dumpcharset = $sqlcharset ? $sqlcharset : str_replace('-', '', $GLOBALS['charset']);
$setnames = ($sqlcharset && $db->version() > '4.1' && (!$sqlcompat || $sqlcompat == 'MYSQL41')) ? "SET NAMES '$dumpcharset';\n\n" : '';
if($db->version() > '4.1') {
if($sqlcharset) {
$db->query("SET NAMES '".$sqlcharset."';\n\n");
}
if($sqlcompat == 'MYSQL40') {
$db->query("SET SQL_MODE='MYSQL40'");
} elseif($sqlcompat == 'MYSQL41') {
$db->query("SET SQL_MODE=''");
}
}
$backupfilename = './forumdata/'.$backupdir.'/'.str_replace(array('/', '\\', '.'), '', $filename);
if($usezip) {
require_once DISCUZ_ROOT.'admin/zip.func.php';
}
if($method == 'multivol') {
$sqldump = '';
$tableid = intval($tableid);
$startfrom = intval($startfrom);
$complete = TRUE;
for(; $complete && $tableid < count($tables) && strlen($sqldump) + 500 < $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".
"# <?exit();?>\n".
"# Discuz! Multi-Volume Data Dump Vol.$volume\n".
"# Version: Discuz! $version\n".
"# Time: $time\n".
"# Type: $type\n".
"# Table Prefix: $tablepre\n".
"#\n".
"# Discuz! Home: http://www.discuz.com\n".
"# Please visit our website for newest infomation about Discuz!\n".
"# --------------------------------------------------------\n\n\n".
"$setnames".
$sqldump;
$dumpfilename = sprintf($dumpfile, $volume);
@$fp = fopen($dumpfilename, 'wb');
@flock($fp, 2);
if(@!fwrite($fp, $sqldump)) {
@fclose($fp);
cpmsg('database_export_file_invalid', '', 'error');
} else {
fclose($fp);
if($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, $content);
cpmsg('database_export_multivol_redirect', "$BASESCRIPT?action=db&operation=export&type=".rawurlencode($type)."&saveto=server&filename=".rawurlencode($filename)."&method=multivol&sizelimit=".rawurlencode($sizelimit)."&volume=".rawurlencode($volume)."&tableid=".rawurlencode($tableid)."&startfrom=".rawurlencode($startrow)."&extendins=".rawurlencode($extendins)."&sqlcharset=".rawurlencode($sqlcharset)."&sqlcompat=".rawurlencode($sqlcompat)."&exportsubmit=yes&usehex=$usehex&usezip=$usezip", 'loading');
}
} else {
$volume--;
$filelist = '<ul>';
cpheader();
if($usezip == 1) {
$zip = new zipfile();
$zipfilename = $backupfilename.'.zip';
$unlinks = '';
for($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));
$unlinks .= "@unlink('$filename');";
$filelist .= "<li><a href=\"$filename\">$filename\n";
}
$fp = fopen($zipfilename, 'w');
if(@fwrite($fp, $zip->file()) !== FALSE) {
eval($unlinks);
} else {
cpmsg('database_export_multivol_succeed', '', 'succeed');
}
unset($sqldump, $zip, $content);
fclose($fp);
@touch('./forumdata/'.$backupdir.'/index.htm');
$filename = $zipfilename;
cpmsg('database_export_zip_succeed', '', 'succeed');
} else {
@touch('./forumdata/'.$backupdir.'/index.htm');
for($i = 1; $i <= $volume; $i++) {
$filename = sprintf($usezip == 2 ? $backupfilename."-%s".'.zip' : $dumpfile, $i);
$filelist .= "<li><a href=\"$filename\">$filename\n";
}
cpmsg('database_export_multivol_succeed', '', 'succeed');
}
}
} else {
$tablesstr = '';
foreach($tables as $table) {
$tablesstr .= '"'.$table.'" ';
}
require './config.inc.php';
list($dbhost, $dbport) = explode(':', $dbhost);
$query = $db->query("SHOW VARIABLES LIKE 'basedir'");
list(, $mysql_base) = $db->fetch_array($query, MYSQL_NUM);
$dumpfile = addslashes(dirname(dirname(__FILE__))).'/'.$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'.($extendins == 1 ? ' --extended-insert' : '').''.($db->version() > '4.1' && $sqlcompat == 'MYSQL40' ? ' --compatible=mysql40' : '').' --host="'.$dbhost.($dbport ? (is_numeric($dbport) ? ' --port='.$dbport : ' --socket="'.$dbport.'"') : '').'" --user="'.$dbuser.'" --password="'.$dbpw.'" "'.$dbname.'" '.$tablesstr.' > '.$dumpfile);
if(@file_exists($dumpfile)) {
if($usezip) {
require_once DISCUZ_ROOT.'admin/zip.func.php';
$zip = new zipfile();
$zipfilename = $backupfilename.'.zip';
$fp = fopen($dumpfile, "r");
$content = @fread($fp, filesize($dumpfile));
fclose($fp);
$zip->addFile($idstring."# <?exit();?>\n ".$setnames."\n #".$content, basename($dumpfile));
$fp = fopen($zipfilename, 'w');
@fwrite($fp, $zip->file());
fclose($fp);
@unlink($dumpfile);
@touch('./forumdata/'.$backupdir.'/index.htm');
$filename = $backupfilename.'.zip';
unset($sqldump, $zip, $content);
cpmsg('database_export_zip_succeed', '', 'succeed');
} else {
if(@is_writeable($dumpfile)) {
$fp = fopen($dumpfile, 'rb+');
@fwrite($fp, $idstring."# <?exit();?>\n ".$setnames."\n #");
fclose($fp);
}
@touch('./forumdata/'.$backupdir.'/index.htm');
$filename = $backupfilename.'.sql';
cpmsg('database_export_succeed', '', 'succeed');
}
} else {
cpmsg('database_shell_fail', '', 'error');
}
}
}
} elseif($operation == 'importzip') {
if(empty($datafile_server)) {
cpmsg('database_import_file_illegal', '', 'error');
} else {
$datafile_server = DISCUZ_ROOT.'./forumdata/'.$backupdir.'/'.basename($datafile_server);
if(!@file_exists($datafile_server)) {
cpmsg('database_import_file_illegal', '', 'error');
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