david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
249 lines
8.6 KiB
PHP
249 lines
8.6 KiB
PHP
<?php
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/**
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* Backup Step Controller.
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*
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* KnowledgeTree Community Edition
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* Document Management Made Simple
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* Copyright(C) 2008,2009 KnowledgeTree Inc.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 3 as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
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* California 94120-7775, or email info@knowledgetree.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* KnowledgeTree" logo and retain the original copyright notice. If the display of the
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* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
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* must display the words "Powered by KnowledgeTree" and retain the original
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* copyright notice.
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*
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* @copyright 2008-2009, KnowledgeTree Inc.
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* @license GNU General Public License version 3
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* @author KnowledgeTree Team
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* @package Upgrader
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* @version Version 0.1
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*/
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class upgradeBackup extends Step {
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protected $silent = false;
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protected $temp_variables = array();
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public function doStep() {
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$this->temp_variables = array("step_name"=>"backup", "silent"=>$this->silent,
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"loadingText"=>"Your backup is under way. Please wait until it completes");
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if(!$this->inStep("backup")) {
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$this->doRun();
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return 'landing';
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}
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if($this->next()) {
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if ($this->doRun()) {
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return 'next';
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}
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}
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else if ($this->confirm()) {
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if ($this->doRun('confirm')) {
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return 'confirm';
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}
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}
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else if ($this->backupNow()) {
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if ($this->doRun('backupNow')) {
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return 'next';
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}
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else {
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return 'error';
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}
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}
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else if($this->previous()) {
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return 'previous';
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}
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else if ($this->upgrade()) {
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header('Location: index.php?step_name=database');
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exit;
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}
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$this->doRun();
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return 'landing';
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}
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private function backupNow() {
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return isset($_POST['BackupNow']);
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}
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private function doRun($action = null) {
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$this->readConfig();
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$this->temp_variables['action'] = $action;
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$this->temp_variables['backupStatus'] = false;
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if (is_null($action) || ($action == 'confirm')) {
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$this->temp_variables['title'] = 'Confirm Backup';
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$this->backupConfirm();
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}
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else {
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$this->temp_variables['title'] = 'Backup Created';
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$this->backup();
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// TODO error checking (done in backupDone at the moment)
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$this->backupDone();
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}
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return true;
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}
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private function backup() {
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$targetfile = $_SESSION['backupFile'];
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$stmt = $this->create_backup_stmt($targetfile);
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$dir = $stmt['dir'];
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if (is_file($dir . '/mysqladmin') || is_file($dir . '/mysqladmin.exe'))
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{
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$curdir=getcwd();
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chdir($dir);
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$handle = popen($stmt['cmd'], 'r');
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$read = fread($handle, 10240);
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pclose($handle);
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$_SESSION['backupOutput'] = $read;
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$dir = $this->util->resolveTempDir();
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$_SESSION['backupFile'] = $stmt['target'];
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if (!WINDOWS_OS) {
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chmod($stmt['target'],0600);
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}
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if (is_file($stmt['target']) && filesize($stmt['target']) > 0) {
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$_SESSION['backupStatus'] = true;
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}
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else {
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$_SESSION['backupStatus'] = false;
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}
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}
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}
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private function backupDone() {
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$status = $_SESSION['backupStatus'];
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$filename = $_SESSION['backupFile'];
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$this->temp_variables['backupStatus'] = $status;
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if ($status)
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{
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$stmt = $this->util->create_restore_stmt($filename, $this->dbSettings);
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$this->temp_variables['display'] = 'The backup file <nobr><i>"' . $filename . '"</i></nobr> has been created.
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<P> It appears as though the <font color=green>backup has been successful</font>.
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<P>';
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if ($stmt['dir'] != '')
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{
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$this->temp_variables['dir'] = $stmt['dir'];
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$this->temp_variables['display'] .= 'Manually, you would do the following to restore the backup:
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<P>
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<table bgcolor="lightgrey">
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<tr>
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<td>
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<nobr>cd ' . $stmt['dir'] . '</nobr>
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<br/>';
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}
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else
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{
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$this->temp_variables['display'] .= 'The mysql backup utility could not be found automatically. Please edit the config.ini and update the backup/mysql Directory entry.
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<P>
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If you need to restore from this backup, you should be able to use the following statements:
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<P>
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<table bgcolor="lightgrey">
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<tr>
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<td>';
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}
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$this->temp_variables['display'] .= '<nobr>' . $stmt['display'] . '</nobr>
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</table>';
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}
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else
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{
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$this->temp_variables['display'] .= 'It appears as though <font color=red>the backup process has failed</font>.<P></P> Unfortunately, it is difficult to diagnose these problems automatically
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and would recommend that you try to do the backup process manually.
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<P>
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We appologise for the inconvenience.
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<P>
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<table bgcolor="lightgrey">
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<tr>
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<td>' . $_SESSION['backupOutput'] . '</table>';
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}
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}
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private function create_backup_stmt($targetfile=null)
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{
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$adminUser = $this->dbSettings['dbAdminUser'];
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$adminPwd = $this->dbSettings['dbAdminPass'];
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// $dbHost = $this->dbSettings['dbHost'];
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$dbName = $this->dbSettings['dbName'];
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$dbPort = trim($this->dbSettings['dbPort']);
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if (empty($dbPort) || $dbPort=='default') $dbPort = get_cfg_var('mysql.default_port');
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if (empty($dbPort)) $dbPort='3306';
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// dbSocket doesn't exist as far as I can find, where was it coming from?
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//$dbSocket = trim($this->dbSettings['dbSocket']);
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$dbSocket = '';
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if (empty($dbSocket) || $dbSocket=='default') $dbSocket = get_cfg_var('mysql.default_socket');
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if (empty($dbSocket)) $dbSocket='../tmp/mysql.sock';
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$date=date('Y-m-d-H-i-s');
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$dir = $this->util->resolveMysqlDir();
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$info['dir'] = $dir;
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$prefix = '';
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if (!WINDOWS_OS)
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{
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$prefix .= "";//$prefix .= "./";
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}
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if (@stat($dbSocket) !== false)
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{
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$mechanism = "--socket=\"$dbSocket\"";
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}
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else
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{
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$mechanism = "--port=\"$dbPort\"";
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}
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$tmpdir = $this->util->resolveTempDir();
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if (is_null($targetfile))
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{
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$targetfile = "$tmpdir/kt-backup-$date.sql";
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}
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$stmt = $prefix . "mysqldump --user=\"$adminUser\" -p $mechanism \"$dbName\" > \"$targetfile\"";
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$info['display'] = $stmt;
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$info['target'] = $targetfile;
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$stmt = $prefix. "mysqldump --user=\"$adminUser\" --password=\"$adminPwd\" $mechanism \"$dbName\" > \"$targetfile\"";
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$info['cmd'] = $stmt;
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return $info;
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}
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private function backupConfirm()
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{
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$stmt = $this->create_backup_stmt();
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$_SESSION['backupFile'] = $stmt['target'];
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$dir = $stmt['dir'];
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$this->temp_variables['dir'] = $dir;
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$this->temp_variables['display'] = $stmt['display'];
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}
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}
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?>
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