This has been a source of security probs, and is mostly replaced by the XML import/export now.
git-svn-id: http://svn.automattic.com/wordpress/trunk@4215 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
matt
parent
06ddf05ec4
commit
a1bf9ad224
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<?php
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/*
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Plugin Name: WordPress Database Backup
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Plugin URI: http://www.skippy.net/blog/plugins/
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Description: On-demand backup of your WordPress database.
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Author: Scott Merrill
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Version: 1.7
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Author URI: http://www.skippy.net/
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Much of this was modified from Mark Ghosh's One Click Backup, which
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in turn was derived from phpMyAdmin.
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Many thanks to Owen (http://asymptomatic.net/wp/) for his patch
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http://dev.wp-plugins.org/ticket/219
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*/
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// CHANGE THIS IF YOU WANT TO USE A
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// DIFFERENT BACKUP LOCATION
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$rand = substr( md5( md5( DB_PASSWORD ) ), -5 );
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define('WP_BACKUP_DIR', 'wp-content/backup-' . $rand);
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define('ROWS_PER_SEGMENT', 100);
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class wpdbBackup {
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var $backup_complete = false;
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var $backup_file = '';
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var $backup_dir = WP_BACKUP_DIR;
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var $backup_errors = array();
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var $basename;
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// Simple table name storage
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var $wp_table_names = array('categories','comments','link2cat','links','options','post2cat','postmeta','posts','users','usermeta');
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function gzip() {
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return function_exists('gzopen');
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}
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function wpdbBackup() {
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add_action('wp_cron_daily', array(&$this, 'wp_cron_daily'));
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$this->backup_dir = trailingslashit($this->backup_dir);
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$this->basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
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if (isset($_POST['do_backup'])) {
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if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.'));
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switch($_POST['do_backup']) {
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case 'backup':
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$this->perform_backup();
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break;
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case 'fragments':
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add_action('admin_menu', array(&$this, 'fragment_menu'));
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break;
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}
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} elseif (isset($_GET['fragment'] )) {
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if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.'));
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add_action('init', array(&$this, 'init'));
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} elseif (isset($_GET['backup'] )) {
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if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.'));
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add_action('init', array(&$this, 'init'));
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} else {
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add_action('admin_menu', array(&$this, 'admin_menu'));
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}
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}
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function init() {
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if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.'));
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if (isset($_GET['backup'])) {
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$via = isset($_GET['via']) ? $_GET['via'] : 'http';
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$this->backup_file = $_GET['backup'];
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$this->validate_file($this->backup_file);
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switch($via) {
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case 'smtp':
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case 'email':
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$this->deliver_backup ($this->backup_file, 'smtp', $_GET['recipient']);
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echo '
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<!-- ' . $via . ' -->
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<script type="text/javascript"><!--\\
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';
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if($this->backup_errors) {
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foreach($this->backup_errors as $error) {
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echo "window.parent.addError('$error');\n";
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}
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}
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echo '
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alert("' . __('Backup Complete!') . '");
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</script>
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';
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break;
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default:
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$this->deliver_backup ($this->backup_file, $via);
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}
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die();
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}
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if (isset($_GET['fragment'] )) {
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list($table, $segment, $filename) = explode(':', $_GET['fragment']);
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$this->validate_file($filename);
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$this->backup_fragment($table, $segment, $filename);
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}
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die();
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}
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function build_backup_script() {
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global $wpdb;
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$datum = date("Ymd_B");
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$backup_filename = DB_NAME . '_' . $wpdb->prefix . $datum . '.sql';
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if ($this->gzip()) $backup_filename .= '.gz';
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echo "<div class='wrap'>";
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//echo "<pre>" . print_r($_POST, 1) . "</pre>";
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echo '<h2>' . __('Backup') . '</h2>
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<fieldset class="options"><legend>' . __('Progress') . '</legend>
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<p><strong>' .
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__('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:').
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'</strong></p>
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<ol>
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<li>'.__('Close this browser').'</li>
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<li>'.__('Reload this page').'</li>
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<li>'.__('Click the Stop or Back buttons in your browser').'</li>
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</ol>
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<p><strong>' . __('Progress:') . '</strong></p>
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<div id="meterbox" style="height:11px;width:80%;padding:3px;border:1px solid #659fff;"><div id="meter" style="height:11px;background-color:#659fff;width:0%;text-align:center;font-size:6pt;"> </div></div>
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<div id="progress_message"></div>
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<div id="errors"></div>
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</fieldset>
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<iframe id="backuploader" src="about:blank" style="border:0px solid white;height:1em;width:1em;"></iframe>
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<script type="text/javascript"><!--//
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function setMeter(pct) {
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var meter = document.getElementById("meter");
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meter.style.width = pct + "%";
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meter.innerHTML = Math.floor(pct) + "%";
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}
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function setProgress(str) {
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var progress = document.getElementById("progress_message");
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progress.innerHTML = str;
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}
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function addError(str) {
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var errors = document.getElementById("errors");
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errors.innerHTML = errors.innerHTML + str + "<br />";
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}
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function backup(table, segment) {
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var fram = document.getElementById("backuploader");
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fram.src = "' . $_SERVER['REQUEST_URI'] . '&fragment=" + table + ":" + segment + ":' . $backup_filename . '";
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}
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var curStep = 0;
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function nextStep() {
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backupStep(curStep);
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curStep++;
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}
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function finishBackup() {
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var fram = document.getElementById("backuploader");
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setMeter(100);
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';
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$this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
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$download_uri = get_option('siteurl') . "/wp-admin/edit.php?page={$this_basename}&backup={$backup_filename}";
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switch($_POST['deliver']) {
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case 'http':
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echo '
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setProgress("' . sprintf(__("Backup complete, preparing <a href=\\\"%s\\\">backup</a> for download..."), $download_uri) . '");
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fram.src = "' . $download_uri . '";
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';
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break;
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case 'smtp':
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echo '
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setProgress("' . sprintf(__("Backup complete, sending <a href=\\\"%s\\\">backup</a> via email..."), $download_uri) . '");
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fram.src = "' . $download_uri . '&via=email&recipient=' . $_POST['backup_recipient'] . '";
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';
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break;
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default:
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echo '
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setProgress("' . sprintf(__("Backup complete, download <a href=\\\"%s\\\">here</a>."), $download_uri) . '");
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';
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}
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echo '
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}
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function backupStep(step) {
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switch(step) {
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case 0: backup("", 0); break;
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';
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$also_backup = array();
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if (isset($_POST['other_tables'])) {
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$also_backup = $_POST['other_tables'];
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} else {
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$also_backup = array();
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}
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$core_tables = $_POST['core_tables'];
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$tables = array_merge($core_tables, $also_backup);
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$step_count = 1;
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foreach ($tables as $table) {
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$rec_count = $wpdb->get_var("SELECT count(*) FROM {$table}");
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$rec_segments = ceil($rec_count / ROWS_PER_SEGMENT);
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$table_count = 0;
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do {
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echo "case {$step_count}: backup(\"{$table}\", {$table_count}); break;\n";
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$step_count++;
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$table_count++;
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} while($table_count < $rec_segments);
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echo "case {$step_count}: backup(\"{$table}\", -1); break;\n";
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$step_count++;
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}
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echo "case {$step_count}: finishBackup(); break;";
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echo '
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}
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if(step != 0) setMeter(100 * step / ' . $step_count . ');
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}
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nextStep();
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//--></script>
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</div>
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';
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}
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function backup_fragment($table, $segment, $filename) {
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global $wpdb;
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echo "$table:$segment:$filename";
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if($table == '') {
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$msg = __('Creating backup file...');
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} else {
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if($segment == -1) {
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$msg = sprintf(__('Finished backing up table \\"%s\\".'), $table);
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} else {
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$msg = sprintf(__('Backing up table \\"%s\\"...'), $table);
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}
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}
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echo '<script type="text/javascript"><!--//
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var msg = "' . $msg . '";
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window.parent.setProgress(msg);
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';
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if (is_writable(ABSPATH . $this->backup_dir)) {
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$this->fp = $this->open(ABSPATH . $this->backup_dir . $filename, 'a');
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if(!$this->fp) {
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$this->backup_error(__('Could not open the backup file for writing!'));
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$this->fatal_error = __('The backup file could not be saved. Please check the permissions for writing to your backup directory and try again.');
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}
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else {
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if($table == '') {
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//Begin new backup of MySql
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$this->stow("# WordPress MySQL database backup\n");
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$this->stow("#\n");
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$this->stow("# Generated: " . date("l j. F Y H:i T") . "\n");
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$this->stow("# Hostname: " . DB_HOST . "\n");
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$this->stow("# Database: " . $this->backquote(DB_NAME) . "\n");
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$this->stow("# --------------------------------------------------------\n");
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} else {
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if($segment == 0) {
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// Increase script execution time-limit to 15 min for every table.
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if ( !ini_get('safe_mode')) @set_time_limit(15*60);
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//ini_set('memory_limit', '16M');
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// Create the SQL statements
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$this->stow("# --------------------------------------------------------\n");
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$this->stow("# Table: " . $this->backquote($table) . "\n");
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$this->stow("# --------------------------------------------------------\n");
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}
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$this->backup_table($table, $segment);
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}
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}
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} else {
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$this->backup_error(__('The backup directory is not writeable!'));
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$this->fatal_error = __('The backup directory is not writeable! Please check the permissions for writing to your backup directory and try again.');
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}
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if($this->fp) $this->close($this->fp);
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if($this->backup_errors) {
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foreach($this->backup_errors as $error) {
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echo "window.parent.addError('$error');\n";
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}
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}
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if($this->fatal_error) {
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echo '
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alert("' . addslashes($this->fatal_error) . '");
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//--></script>
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';
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}
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else {
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echo '
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window.parent.nextStep();
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//--></script>
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';
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}
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die();
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}
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function perform_backup() {
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// are we backing up any other tables?
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$also_backup = array();
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if (isset($_POST['other_tables'])) {
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$also_backup = $_POST['other_tables'];
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}
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$core_tables = $_POST['core_tables'];
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$this->backup_file = $this->db_backup($core_tables, $also_backup);
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if (FALSE !== $this->backup_file) {
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if ('smtp' == $_POST['deliver']) {
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$this->deliver_backup ($this->backup_file, $_POST['deliver'], $_POST['backup_recipient']);
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} elseif ('http' == $_POST['deliver']) {
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$this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
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header('Refresh: 3; ' . get_option('siteurl') . "/wp-admin/edit.php?page={$this_basename}&backup={$this->backup_file}");
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}
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// we do this to say we're done.
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$this->backup_complete = true;
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}
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}
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///////////////////////////////
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function admin_menu() {
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add_management_page(__('Backup'), __('Backup'), 'import', basename(__FILE__), array(&$this, 'backup_menu'));
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}
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function fragment_menu() {
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add_management_page(__('Backup'), __('Backup'), 'import', basename(__FILE__), array(&$this, 'build_backup_script'));
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}
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/////////////////////////////////////////////////////////
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function sql_addslashes($a_string = '', $is_like = FALSE)
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{
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/*
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Better addslashes for SQL queries.
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Taken from phpMyAdmin.
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*/
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if ($is_like) {
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$a_string = str_replace('\\', '\\\\\\\\', $a_string);
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} else {
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$a_string = str_replace('\\', '\\\\', $a_string);
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}
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$a_string = str_replace('\'', '\\\'', $a_string);
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return $a_string;
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} // function sql_addslashes($a_string = '', $is_like = FALSE)
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///////////////////////////////////////////////////////////
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function backquote($a_name)
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{
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/*
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|
||||||
Add backqouotes to tables and db-names in
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SQL queries. Taken from phpMyAdmin.
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||||||
*/
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if (!empty($a_name) && $a_name != '*') {
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||||||
if (is_array($a_name)) {
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||||||
$result = array();
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|
||||||
reset($a_name);
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||||||
while(list($key, $val) = each($a_name)) {
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$result[$key] = '`' . $val . '`';
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||||||
}
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|
||||||
return $result;
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||||||
} else {
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return '`' . $a_name . '`';
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|
||||||
}
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|
||||||
} else {
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return $a_name;
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|
||||||
}
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|
||||||
} // function backquote($a_name, $do_it = TRUE)
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/////////////
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function open($filename = '', $mode = 'w') {
|
|
||||||
if ('' == $filename) return false;
|
|
||||||
if ($this->gzip()) {
|
|
||||||
$fp = @gzopen($filename, $mode);
|
|
||||||
} else {
|
|
||||||
$fp = @fopen($filename, $mode);
|
|
||||||
}
|
|
||||||
return $fp;
|
|
||||||
}
|
|
||||||
|
|
||||||
//////////////
|
|
||||||
function close($fp) {
|
|
||||||
if ($this->gzip()) {
|
|
||||||
gzclose($fp);
|
|
||||||
} else {
|
|
||||||
fclose($fp);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
//////////////
|
|
||||||
function stow($query_line) {
|
|
||||||
if ($this->gzip()) {
|
|
||||||
if(@gzwrite($this->fp, $query_line) === FALSE) {
|
|
||||||
backup_error(__('There was an error writing a line to the backup script:'));
|
|
||||||
backup_error(' ' . $query_line);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
if(@fwrite($this->fp, $query_line) === FALSE) {
|
|
||||||
backup_error(__('There was an error writing a line to the backup script:'));
|
|
||||||
backup_error(' ' . $query_line);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
function backup_error($err) {
|
|
||||||
if(count($this->backup_errors) < 20) {
|
|
||||||
$this->backup_errors[] = $err;
|
|
||||||
} elseif(count($this->backup_errors) == 20) {
|
|
||||||
$this->backup_errors[] = __('Subsequent errors have been omitted from this log.');
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/////////////////////////////
|
|
||||||
function backup_table($table, $segment = 'none') {
|
|
||||||
global $wpdb;
|
|
||||||
|
|
||||||
/*
|
|
||||||
Taken partially from phpMyAdmin and partially from
|
|
||||||
Alain Wolf, Zurich - Switzerland
|
|
||||||
Website: http://restkultur.ch/personal/wolf/scripts/db_backup/
|
|
||||||
|
|
||||||
Modified by Scott Merril (http://www.skippy.net/)
|
|
||||||
to use the WordPress $wpdb object
|
|
||||||
*/
|
|
||||||
|
|
||||||
$table_structure = $wpdb->get_results("DESCRIBE $table");
|
|
||||||
if (! $table_structure) {
|
|
||||||
backup_errors(__('Error getting table details') . ": $table");
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(($segment == 'none') || ($segment == 0)) {
|
|
||||||
//
|
|
||||||
// Add SQL statement to drop existing table
|
|
||||||
$this->stow("\n\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("# Delete any existing table " . $this->backquote($table) . "\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("\n");
|
|
||||||
$this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n");
|
|
||||||
|
|
||||||
//
|
|
||||||
//Table structure
|
|
||||||
// Comment in SQL-file
|
|
||||||
$this->stow("\n\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("# Table structure of table " . $this->backquote($table) . "\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("\n");
|
|
||||||
|
|
||||||
$create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N);
|
|
||||||
if (FALSE === $create_table) {
|
|
||||||
$this->backup_error(sprintf(__("Error with SHOW CREATE TABLE for %s."), $table));
|
|
||||||
$this->stow("#\n# Error with SHOW CREATE TABLE for $table!\n#\n");
|
|
||||||
}
|
|
||||||
$this->stow($create_table[0][1] . ' ;');
|
|
||||||
|
|
||||||
if (FALSE === $table_structure) {
|
|
||||||
$this->backup_error(sprintf(__("Error getting table structure of %s"), $table));
|
|
||||||
$this->stow("#\n# Error getting table structure of $table!\n#\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
|
||||||
// Comment in SQL-file
|
|
||||||
$this->stow("\n\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow('# Data contents of table ' . $this->backquote($table) . "\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
if(($segment == 'none') || ($segment >= 0)) {
|
|
||||||
$ints = array();
|
|
||||||
foreach ($table_structure as $struct) {
|
|
||||||
if ( (0 === strpos($struct->Type, 'tinyint')) ||
|
|
||||||
(0 === strpos(strtolower($struct->Type), 'smallint')) ||
|
|
||||||
(0 === strpos(strtolower($struct->Type), 'mediumint')) ||
|
|
||||||
(0 === strpos(strtolower($struct->Type), 'int')) ||
|
|
||||||
(0 === strpos(strtolower($struct->Type), 'bigint')) ||
|
|
||||||
(0 === strpos(strtolower($struct->Type), 'timestamp')) ) {
|
|
||||||
$ints[strtolower($struct->Field)] = "1";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
// Batch by $row_inc
|
|
||||||
|
|
||||||
if($segment == 'none') {
|
|
||||||
$row_start = 0;
|
|
||||||
$row_inc = ROWS_PER_SEGMENT;
|
|
||||||
} else {
|
|
||||||
$row_start = $segment * ROWS_PER_SEGMENT;
|
|
||||||
$row_inc = ROWS_PER_SEGMENT;
|
|
||||||
}
|
|
||||||
|
|
||||||
do {
|
|
||||||
if ( !ini_get('safe_mode')) @set_time_limit(15*60);
|
|
||||||
$table_data = $wpdb->get_results("SELECT * FROM $table LIMIT {$row_start}, {$row_inc}", ARRAY_A);
|
|
||||||
|
|
||||||
/*
|
|
||||||
if (FALSE === $table_data) {
|
|
||||||
$wp_backup_error .= "Error getting table contents from $table\r\n";
|
|
||||||
fwrite($fp, "#\n# Error getting table contents fom $table!\n#\n");
|
|
||||||
}
|
|
||||||
*/
|
|
||||||
|
|
||||||
$entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES (';
|
|
||||||
// \x08\\x09, not required
|
|
||||||
$search = array("\x00", "\x0a", "\x0d", "\x1a");
|
|
||||||
$replace = array('\0', '\n', '\r', '\Z');
|
|
||||||
if($table_data) {
|
|
||||||
foreach ($table_data as $row) {
|
|
||||||
$values = array();
|
|
||||||
foreach ($row as $key => $value) {
|
|
||||||
if ($ints[strtolower($key)]) {
|
|
||||||
$values[] = $value;
|
|
||||||
} else {
|
|
||||||
$values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
$this->stow(" \n" . $entries . implode(', ', $values) . ') ;');
|
|
||||||
}
|
|
||||||
$row_start += $row_inc;
|
|
||||||
}
|
|
||||||
} while((count($table_data) > 0) and ($segment=='none'));
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(($segment == 'none') || ($segment < 0)) {
|
|
||||||
// Create footer/closing comment in SQL-file
|
|
||||||
$this->stow("\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("# End of data contents of table " . $this->backquote($table) . "\n");
|
|
||||||
$this->stow("# --------------------------------------------------------\n");
|
|
||||||
$this->stow("\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
} // end backup_table()
|
|
||||||
|
|
||||||
function return_bytes($val) {
|
|
||||||
$val = trim($val);
|
|
||||||
$last = strtolower($val{strlen($val)-1});
|
|
||||||
switch($last) {
|
|
||||||
// The 'G' modifier is available since PHP 5.1.0
|
|
||||||
case 'g':
|
|
||||||
$val *= 1024;
|
|
||||||
case 'm':
|
|
||||||
$val *= 1024;
|
|
||||||
case 'k':
|
|
||||||
$val *= 1024;
|
|
||||||
}
|
|
||||||
|
|
||||||
return $val;
|
|
||||||
}
|
|
||||||
|
|
||||||
////////////////////////////
|
|
||||||
function db_backup($core_tables, $other_tables) {
|
|
||||||
global $wpdb;
|
|
||||||
|
|
||||||
$datum = date("Ymd_B");
|
|
||||||
$wp_backup_filename = DB_NAME . '_' . $wpdb->prefix . $datum . '.sql';
|
|
||||||
if ($this->gzip()) {
|
|
||||||
$wp_backup_filename .= '.gz';
|
|
||||||
}
|
|
||||||
|
|
||||||
if (is_writable(ABSPATH . $this->backup_dir)) {
|
|
||||||
$this->fp = $this->open(ABSPATH . $this->backup_dir . $wp_backup_filename);
|
|
||||||
if(!$this->fp) {
|
|
||||||
$this->backup_error(__('Could not open the backup file for writing!'));
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
$this->backup_error(__('The backup directory is not writeable!'));
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
//Begin new backup of MySql
|
|
||||||
$this->stow("# WordPress MySQL database backup\n");
|
|
||||||
$this->stow("#\n");
|
|
||||||
$this->stow("# Generated: " . date("l j. F Y H:i T") . "\n");
|
|
||||||
$this->stow("# Hostname: " . DB_HOST . "\n");
|
|
||||||
$this->stow("# Database: " . $this->backquote(DB_NAME) . "\n");
|
|
||||||
$this->stow("# --------------------------------------------------------\n");
|
|
||||||
|
|
||||||
if ( (is_array($other_tables)) && (count($other_tables) > 0) )
|
|
||||||
$tables = array_merge($core_tables, $other_tables);
|
|
||||||
else
|
|
||||||
$tables = $core_tables;
|
|
||||||
|
|
||||||
foreach ($tables as $table) {
|
|
||||||
// Increase script execution time-limit to 15 min for every table.
|
|
||||||
if ( !ini_get('safe_mode')) @set_time_limit(15*60);
|
|
||||||
// Create the SQL statements
|
|
||||||
$this->stow("# --------------------------------------------------------\n");
|
|
||||||
$this->stow("# Table: " . $this->backquote($table) . "\n");
|
|
||||||
$this->stow("# --------------------------------------------------------\n");
|
|
||||||
$this->backup_table($table);
|
|
||||||
}
|
|
||||||
|
|
||||||
$this->close($this->fp);
|
|
||||||
|
|
||||||
if (count($this->backup_errors)) {
|
|
||||||
return false;
|
|
||||||
} else {
|
|
||||||
return $wp_backup_filename;
|
|
||||||
}
|
|
||||||
|
|
||||||
} //wp_db_backup
|
|
||||||
|
|
||||||
///////////////////////////
|
|
||||||
function deliver_backup ($filename = '', $delivery = 'http', $recipient = '') {
|
|
||||||
if ('' == $filename) { return FALSE; }
|
|
||||||
|
|
||||||
$diskfile = ABSPATH . $this->backup_dir . $filename;
|
|
||||||
if ('http' == $delivery) {
|
|
||||||
if (! file_exists($diskfile)) {
|
|
||||||
$msg = sprintf(__('File not found:%s'), "<br /><strong>$filename</strong><br />");
|
|
||||||
$this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
|
|
||||||
$msg .= '<br /><a href="' . get_option('siteurl') . "/wp-admin/edit.php?page={$this_basename}" . '">' . __('Return to Backup');
|
|
||||||
die($msg);
|
|
||||||
}
|
|
||||||
header('Content-Description: File Transfer');
|
|
||||||
header('Content-Type: application/octet-stream');
|
|
||||||
header('Content-Length: ' . filesize($diskfile));
|
|
||||||
header("Content-Disposition: attachment; filename=$filename");
|
|
||||||
readfile($diskfile);
|
|
||||||
unlink($diskfile);
|
|
||||||
} elseif ('smtp' == $delivery) {
|
|
||||||
if (! file_exists($diskfile)) return false;
|
|
||||||
|
|
||||||
if (! is_email ($recipient)) {
|
|
||||||
$recipient = get_option('admin_email');
|
|
||||||
}
|
|
||||||
$randomish = md5(time());
|
|
||||||
$boundary = "==WPBACKUP-BY-SKIPPY-$randomish";
|
|
||||||
$fp = fopen($diskfile,"rb");
|
|
||||||
$file = fread($fp,filesize($diskfile));
|
|
||||||
$this->close($fp);
|
|
||||||
$data = chunk_split(base64_encode($file));
|
|
||||||
$headers = "MIME-Version: 1.0\n";
|
|
||||||
$headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
|
|
||||||
$headers .= 'From: ' . get_option('admin_email') . "\n";
|
|
||||||
|
|
||||||
$message = sprintf(__("Attached to this email is\n %1s\n Size:%2s kilobytes\n"), $filename, round(filesize($diskfile)/1024));
|
|
||||||
// Add a multipart boundary above the plain message
|
|
||||||
$message = "This is a multi-part message in MIME format.\n\n" .
|
|
||||||
"--{$boundary}\n" .
|
|
||||||
"Content-Type: text/plain; charset=\"utf-8\"\n" .
|
|
||||||
"Content-Transfer-Encoding: 7bit\n\n" .
|
|
||||||
$message . "\n\n";
|
|
||||||
|
|
||||||
// Add file attachment to the message
|
|
||||||
$message .= "--{$boundary}\n" .
|
|
||||||
"Content-Type: application/octet-stream;\n" .
|
|
||||||
" name=\"{$filename}\"\n" .
|
|
||||||
"Content-Disposition: attachment;\n" .
|
|
||||||
" filename=\"{$filename}\"\n" .
|
|
||||||
"Content-Transfer-Encoding: base64\n\n" .
|
|
||||||
$data . "\n\n" .
|
|
||||||
"--{$boundary}--\n";
|
|
||||||
|
|
||||||
if (function_exists('wp_mail')) {
|
|
||||||
wp_mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers);
|
|
||||||
} else {
|
|
||||||
mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers);
|
|
||||||
}
|
|
||||||
|
|
||||||
unlink($diskfile);
|
|
||||||
}
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
////////////////////////////
|
|
||||||
function backup_menu() {
|
|
||||||
global $wpdb;
|
|
||||||
$feedback = '';
|
|
||||||
$WHOOPS = FALSE;
|
|
||||||
|
|
||||||
// did we just do a backup? If so, let's report the status
|
|
||||||
if ( $this->backup_complete ) {
|
|
||||||
$feedback = '<div class="updated"><p>' . __('Backup Successful') . '!';
|
|
||||||
$file = $this->backup_file;
|
|
||||||
switch($_POST['deliver']) {
|
|
||||||
case 'http':
|
|
||||||
$feedback .= '<br />' . sprintf(__('Your backup file: <a href="%1s">%2s</a> should begin downloading shortly.'), get_option('siteurl') . "/{$this->backup_dir}{$this->backup_file}", $this->backup_file);
|
|
||||||
break;
|
|
||||||
case 'smtp':
|
|
||||||
if (! is_email($_POST['backup_recipient'])) {
|
|
||||||
$feedback .= get_option('admin_email');
|
|
||||||
} else {
|
|
||||||
$feedback .= $_POST['backup_recipient'];
|
|
||||||
}
|
|
||||||
$feedback = '<br />' . sprintf(__('Your backup has been emailed to %s'), $feedback);
|
|
||||||
break;
|
|
||||||
case 'none':
|
|
||||||
$feedback .= '<br />' . __('Your backup file has been saved on the server. If you would like to download it now, right click and select "Save As"');
|
|
||||||
$feedback .= ':<br /> <a href="' . get_option('siteurl') . "/{$this->backup_dir}$file\">$file</a> : " . sprintf(__('%s bytes'), filesize(ABSPATH . $this->backup_dir . $file));
|
|
||||||
}
|
|
||||||
$feedback .= '</p></div>';
|
|
||||||
}
|
|
||||||
|
|
||||||
if (count($this->backup_errors)) {
|
|
||||||
$feedback .= '<div class="updated error">' . __('The following errors were reported:') . "<pre>";
|
|
||||||
foreach($this->backup_errors as $error) {
|
|
||||||
$feedback .= "{$error}\n"; //Errors are already localized
|
|
||||||
}
|
|
||||||
$feedback .= "</pre></div>";
|
|
||||||
}
|
|
||||||
|
|
||||||
// did we just save options for wp-cron?
|
|
||||||
if ( (function_exists('wp_cron_init')) && isset($_POST['wp_cron_backup_options']) ) {
|
|
||||||
update_option('wp_cron_backup_schedule', intval($_POST['cron_schedule']), FALSE);
|
|
||||||
update_option('wp_cron_backup_tables', $_POST['wp_cron_backup_tables']);
|
|
||||||
if (is_email($_POST['cron_backup_recipient'])) {
|
|
||||||
update_option('wp_cron_backup_recipient', $_POST['cron_backup_recipient'], FALSE);
|
|
||||||
}
|
|
||||||
$feedback .= '<div class="updated"><p>' . __('Scheduled Backup Options Saved!') . '</p></div>';
|
|
||||||
}
|
|
||||||
|
|
||||||
// Apply WP DB prefix to table names
|
|
||||||
$wp_table_names = array_map(create_function('$a', 'global $wpdb;return "{$wpdb->prefix}{$a}";'), $this->wp_table_names);
|
|
||||||
|
|
||||||
$other_tables = array();
|
|
||||||
$also_backup = array();
|
|
||||||
|
|
||||||
// Get complete db table list
|
|
||||||
$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
|
|
||||||
$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
|
|
||||||
// Get list of WP tables that actually exist in this DB (for 1.6 compat!)
|
|
||||||
$wp_backup_default_tables = array_intersect($all_tables, $wp_table_names);
|
|
||||||
// Get list of non-WP tables
|
|
||||||
$other_tables = array_diff($all_tables, $wp_backup_default_tables);
|
|
||||||
|
|
||||||
if ('' != $feedback) {
|
|
||||||
echo $feedback;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Give the new dirs the same perms as wp-content.
|
|
||||||
$stat = stat( ABSPATH . 'wp-content' );
|
|
||||||
$dir_perms = $stat['mode'] & 0000777; // Get the permission bits.
|
|
||||||
|
|
||||||
if ( !file_exists( ABSPATH . $this->backup_dir) ) {
|
|
||||||
if ( @ mkdir( ABSPATH . $this->backup_dir) ) {
|
|
||||||
@ chmod( ABSPATH . $this->backup_dir, $dir_perms);
|
|
||||||
} else {
|
|
||||||
echo '<div class="updated error"><p align="center">' . __('WARNING: Your wp-content directory is <strong>NOT</strong> writable! We can not create the backup directory.') . '<br />' . ABSPATH . $this->backup_dir . "</p></div>";
|
|
||||||
$WHOOPS = TRUE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( !is_writable( ABSPATH . $this->backup_dir) ) {
|
|
||||||
echo '<div class="updated error"><p align="center">' . __('WARNING: Your backup directory is <strong>NOT</strong> writable! We can not create the backup directory.') . '<br />' . ABSPATH . "</p></div>";
|
|
||||||
}
|
|
||||||
|
|
||||||
if ( !file_exists( ABSPATH . $this->backup_dir . 'index.php') ) {
|
|
||||||
@ touch( ABSPATH . $this->backup_dir . "index.php");
|
|
||||||
}
|
|
||||||
|
|
||||||
echo "<div class='wrap'>";
|
|
||||||
echo '<h2>' . __('Backup') . '</h2>';
|
|
||||||
echo '<fieldset class="options"><legend>' . __('Tables') . '</legend>';
|
|
||||||
echo '<form method="post">';
|
|
||||||
echo '<table align="center" cellspacing="5" cellpadding="5"><tr><td width="50%" align="left" class="alternate" valign="top">';
|
|
||||||
echo __('These core WordPress tables will always be backed up:') . '<br /><ul>';
|
|
||||||
foreach ($wp_backup_default_tables as $table) {
|
|
||||||
echo "<li><input type='hidden' name='core_tables[]' value='$table' />$table</li>";
|
|
||||||
}
|
|
||||||
echo '</ul></td><td width="50%" align="left" valign="top">';
|
|
||||||
if (count($other_tables) > 0) {
|
|
||||||
echo __('You may choose to include any of the following tables:') . ' <br />';
|
|
||||||
foreach ($other_tables as $table) {
|
|
||||||
echo "<label style=\"display:block;\"><input type='checkbox' name='other_tables[]' value='{$table}' /> {$table}</label>";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
echo '</tr></table></fieldset>';
|
|
||||||
echo '<fieldset class="options"><legend>' . __('Backup Options') . '</legend>';
|
|
||||||
echo __('What to do with the backup file:') . "<br />";
|
|
||||||
echo '<label style="display:block;"><input type="radio" name="deliver" value="none" /> ' . __('Save to server') . " ({$this->backup_dir})</label>";
|
|
||||||
echo '<label style="display:block;"><input type="radio" checked="checked" name="deliver" value="http" /> ' . __('Download to your computer') . '</label>';
|
|
||||||
echo '<div><input type="radio" name="deliver" id="do_email" value="smtp" /> ';
|
|
||||||
echo '<label for="do_email">'.__('Email backup to:').'</label><input type="text" name="backup_recipient" size="20" value="' . get_option('admin_email') . '" />';
|
|
||||||
|
|
||||||
// Check DB dize.
|
|
||||||
$table_status = $wpdb->get_results("SHOW TABLE STATUS FROM " . $this->backquote(DB_NAME));
|
|
||||||
$core_size = $db_size = 0;
|
|
||||||
foreach($table_status as $table) {
|
|
||||||
$table_size = $table->Data_length - $table->Data_free;
|
|
||||||
if(in_array($table->Name, $wp_backup_default_tables)) {
|
|
||||||
$core_size += $table_size;
|
|
||||||
}
|
|
||||||
$db_size += $table_size;
|
|
||||||
}
|
|
||||||
$mem_limit = ini_get('memory_limit');
|
|
||||||
$mem_limit = $this->return_bytes($mem_limit);
|
|
||||||
$mem_limit = ($mem_limit == 0) ? 8*1024*1024 : $mem_limit - 2000000;
|
|
||||||
|
|
||||||
if (! $WHOOPS) {
|
|
||||||
echo '<input type="hidden" name="do_backup" id="do_backup" value="backup" /></div>';
|
|
||||||
echo '<p class="submit"><input type="submit" name="submit" onclick="document.getElementById(\'do_backup\').value=\'fragments\';" value="' . __('Backup') . '!" / ></p>';
|
|
||||||
} else {
|
|
||||||
echo '<p class="alternate">' . __('WARNING: Your backup directory is <strong>NOT</strong> writable!') . '</p>';
|
|
||||||
}
|
|
||||||
echo '</fieldset>';
|
|
||||||
echo '</form>';
|
|
||||||
|
|
||||||
// this stuff only displays if wp_cron is installed
|
|
||||||
if (function_exists('wp_cron_init')) {
|
|
||||||
echo '<fieldset class="options"><legend>' . __('Scheduled Backup') . '</legend>';
|
|
||||||
$datetime = get_option('date_format') . ' @ ' . get_option('time_format');
|
|
||||||
echo '<p>' . __('Last WP-Cron Daily Execution') . ': ' . date($datetime, get_option('wp_cron_daily_lastrun')) . '<br />';
|
|
||||||
echo __('Next WP-Cron Daily Execution') . ': ' . date($datetime, (get_option('wp_cron_daily_lastrun') + 86400)) . '</p>';
|
|
||||||
echo '<form method="post">';
|
|
||||||
echo '<table width="100%" callpadding="5" cellspacing="5">';
|
|
||||||
echo '<tr><td align="center">';
|
|
||||||
echo __('Schedule: ');
|
|
||||||
$wp_cron_backup_schedule = get_option('wp_cron_backup_schedule');
|
|
||||||
$schedule = array(0 => __('None'), 1 => __('Daily'));
|
|
||||||
foreach ($schedule as $value => $name) {
|
|
||||||
echo ' <input type="radio" name="cron_schedule"';
|
|
||||||
if ($wp_cron_backup_schedule == $value) {
|
|
||||||
echo ' checked="checked" ';
|
|
||||||
}
|
|
||||||
echo 'value="' . $value . '" /> ' . __($name);
|
|
||||||
}
|
|
||||||
echo '</td><td align="center">';
|
|
||||||
$cron_recipient = get_option('wp_cron_backup_recipient');
|
|
||||||
if (! is_email($cron_recipient)) {
|
|
||||||
$cron_recipient = get_option('admin_email');
|
|
||||||
}
|
|
||||||
echo __('Email backup to:') . ' <input type="text" name="cron_backup_recipient" size="20" value="' . $cron_recipient . '" />';
|
|
||||||
echo '</td></tr>';
|
|
||||||
$cron_tables = get_option('wp_cron_backup_tables');
|
|
||||||
if (! is_array($cron_tables)) {
|
|
||||||
$cron_tables = array();
|
|
||||||
}
|
|
||||||
if (count($other_tables) > 0) {
|
|
||||||
echo '<tr><td colspan="2" align="left">' . __('Tables to include:') . '<br />';
|
|
||||||
foreach ($other_tables as $table) {
|
|
||||||
echo '<input type="checkbox" ';
|
|
||||||
if (in_array($table, $cron_tables)) {
|
|
||||||
echo 'checked=checked ';
|
|
||||||
}
|
|
||||||
echo "name='wp_cron_backup_tables[]' value='{$table}' /> {$table}<br />";
|
|
||||||
}
|
|
||||||
echo '</td></tr>';
|
|
||||||
}
|
|
||||||
echo '<tr><td colspan="2" align="center"><input type="hidden" name="wp_cron_backup_options" value="SET" /><input type="submit" name="submit" value="' . __('Submit') . '" /></td></tr></table></form>';
|
|
||||||
echo '</fieldset>';
|
|
||||||
}
|
|
||||||
// end of wp_cron section
|
|
||||||
|
|
||||||
echo '</div>';
|
|
||||||
|
|
||||||
}// end wp_backup_menu()
|
|
||||||
|
|
||||||
/////////////////////////////
|
|
||||||
function wp_cron_daily() {
|
|
||||||
|
|
||||||
$schedule = intval(get_option('wp_cron_backup_schedule'));
|
|
||||||
if (0 == $schedule) {
|
|
||||||
// Scheduled backup is disabled
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
global $wpdb;
|
|
||||||
|
|
||||||
$wp_table_names = array_map(create_function('$a', 'global $wpdb;return "{$wpdb->prefix}{$a}";'), $this->wp_table_names);
|
|
||||||
$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
|
|
||||||
$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
|
|
||||||
$core_tables = array_intersect($all_tables, $wp_table_names);
|
|
||||||
$other_tables = get_option('wp_cron_backup_tables');
|
|
||||||
|
|
||||||
$recipient = get_option('wp_cron_backup_recipient');
|
|
||||||
|
|
||||||
$backup_file = $this->db_backup($core_tables, $other_tables);
|
|
||||||
if (FALSE !== $backup_file) {
|
|
||||||
$this->deliver_backup ($backup_file, 'smtp', $recipient);
|
|
||||||
}
|
|
||||||
|
|
||||||
return;
|
|
||||||
} // wp_cron_db_backup
|
|
||||||
|
|
||||||
function validate_file($file) {
|
|
||||||
if (false !== strpos($file, '..'))
|
|
||||||
die(__("Cheatin' uh ?"));
|
|
||||||
|
|
||||||
if (false !== strpos($file, './'))
|
|
||||||
die(__("Cheatin' uh ?"));
|
|
||||||
|
|
||||||
if (':' == substr($file, 1, 1))
|
|
||||||
die(__("Cheatin' uh ?"));
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
function wpdbBackup_init() {
|
|
||||||
global $mywpdbbackup;
|
|
||||||
|
|
||||||
if ( !current_user_can('import') ) return;
|
|
||||||
|
|
||||||
$mywpdbbackup = new wpdbBackup();
|
|
||||||
}
|
|
||||||
|
|
||||||
add_action('plugins_loaded', 'wpdbBackup_init');
|
|
||||||
|
|
||||||
?>
|
|
||||||
Loading…
Reference in New Issue