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source: trunk/extras/wp_plugin/xpressme-backup/xpressme-backup.php @ 608

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Last change on this file since 608 was 608, checked in by toemon, 14 years ago
EUC->UTF8変換を含むバックアップツール Fixes#345
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1	<?php
2	/*
3	Plugin Name: XPressME Database Backup
4	Plugin URI: http://ja.xpressme.info/
5	Description: On-demand backup of your WordPress database. Navigate to <a href="edit.php?page=xpressme-backup">Tools → Backup</a> to get started.
6	Author: toemon
7	Author URI: http://ja.xpressme.info
8	Version: 1.0
9
10	Originally modified from Austin Matzko's WordPress Database Backup(http://www.ilfilosofo.com/blog/wp-db-backup) plugin.
11
12	Copyright 2008 toemon
13
14	This program is free software; you can redistribute it and/or modify
15	it under the terms of the GNU General Public License as published by
16	the Free Software Foundation; either version 2 of the License, or
17	(at your option) any later version.
18
19	This program is distributed in the hope that it will be useful,
20	but WITHOUT ANY WARRANTY; without even the implied warranty of
21	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22	GNU General Public License for more details.
23
24	You should have received a copy of the GNU General Public License
25	along with this program; if not, write to the Free Software
26	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
27	*/
28
29	/**
30	* Change WP_BACKUP_DIR if you want to
31	* use a different backup location
32	*/
33
34	$rand = substr( md5( md5( DB_PASSWORD ) ), -5 );
35	global $wpdbb_content_dir, $wpdbb_content_url, $wpdbb_plugin_dir;
36	$wpdbb_content_dir = ( defined('WP_CONTENT_DIR') ) ? WP_CONTENT_DIR : ABSPATH . 'wp-content';
37	$wpdbb_content_url = ( defined('WP_CONTENT_URL') ) ? WP_CONTENT_URL : get_option('siteurl') . '/wp-content';
38	$wpdbb_plugin_dir = ( defined('WP_PLUGIN_DIR') ) ? WP_PLUGIN_DIR : $wpdbb_content_dir . '/plugins';
39
40	if ( ! defined('WP_BACKUP_DIR') ) {
41	define('WP_BACKUP_DIR', $wpdbb_content_dir . '/backup-' . $rand . '/');
42	}
43
44	if ( ! defined('WP_BACKUP_URL') ) {
45	define('WP_BACKUP_URL', $wpdbb_content_url . '/backup-' . $rand . '/');
46	}
47
48	if ( ! defined('ROWS_PER_SEGMENT') ) {
49	define('ROWS_PER_SEGMENT', 100);
50	}
51
52	/**
53	* Set MOD_EVASIVE_OVERRIDE to true
54	* and increase MOD_EVASIVE_DELAY
55	* if the backup stops prematurely.
56	*/
57	// define('MOD_EVASIVE_OVERRIDE', false);
58	if ( ! defined('MOD_EVASIVE_DELAY') ) {
59	define('MOD_EVASIVE_DELAY', '500');
60	}
61	load_plugin_textdomain('xpressme-backup', 'wp-content/plugins/xpressme-backup');
62
63	class wpdbBackup {
64
65	var $backup_complete = false;
66	var $backup_file = '';
67	var $backup_filename;
68	var $core_table_names = array();
69	var $errors = array();
70	var $basename;
71	var $page_url;
72	var $referer_check_key;
73	var $version = '2.1.5-alpha';
74
75	function gzip() {
76	return function_exists('gzopen');
77	}
78
79	function module_check() {
80	$mod_evasive = false;
81	if ( true === MOD_EVASIVE_OVERRIDE ) return true;
82	if ( false === MOD_EVASIVE_OVERRIDE ) return false;
83	if ( function_exists('apache_get_modules') )
84	foreach( (array) apache_get_modules() as $mod )
85	if ( false !== strpos($mod,'mod_evasive') \|\| false !== strpos($mod,'mod_dosevasive') )
86	return true;
87	return false;
88	}
89
90	function wpdbBackup() {
91	global $table_prefix, $wpdb;
92	add_action('wp_ajax_save_backup_time', array(&$this, 'save_backup_time'));
93	add_action('init', array(&$this, 'init_textdomain'));
94	add_action('load-update-core.php', array(&$this, 'update_notice_action'));
95	add_action('wp_db_backup_cron', array(&$this, 'cron_backup'));
96	add_action('xpressme_cron_daily', array(&$this, 'xpressme_cron_daily'));
97	add_filter('cron_schedules', array(&$this, 'add_sched_options'));
98	add_filter('wp_db_b_schedule_choices', array(&$this, 'schedule_choices'));
99
100	$table_prefix = ( isset( $table_prefix ) ) ? $table_prefix : $wpdb->prefix;
101	$datum = date("Ymd_B");
102	$this->backup_filename = DB_NAME . "_$table_prefix$datum.sql";
103	if ($this->gzip()) $this->backup_filename .= '.gz';
104
105	$possible_names = array(
106	'categories',
107	'comments',
108	'link2cat',
109	'linkcategories',
110	'links',
111	'options',
112	'post2cat',
113	'postmeta',
114	'posts',
115	'terms',
116	'term_taxonomy',
117	'term_relationships',
118	'users',
119	);
120	$xpress_possible_names = array(
121	'usermeta',
122	'd3forum_link',
123	'group_role',
124	'views',
125	'notify_reserve',
126	);
127
128	foreach( $possible_names as $name ) {
129	if ( isset( $wpdb->{$name} ) ) {
130	$this->core_table_names[] = $wpdb->{$name};
131	}
132	}
133	foreach( $xpress_possible_names as $name ) {
134	$this->core_table_names[] = $table_prefix . $name;
135	}
136
137	$this->backup_dir = trailingslashit(apply_filters('wp_db_b_backup_dir', WP_BACKUP_DIR));
138	$this->basename = 'xpressme-backup';
139
140	$this->referer_check_key = $this->basename . '-download_' . DB_NAME;
141	$query_args = array( 'page' => $this->basename );
142	if ( function_exists('wp_create_nonce') )
143	$query_args = array_merge( $query_args, array('_wpnonce' => wp_create_nonce($this->referer_check_key)) );
144	$base = ( function_exists('site_url') ) ? site_url('', 'admin') : get_option('siteurl');
145	$this->page_url = add_query_arg( $query_args, $base . '/wp-admin/edit.php');
146	if (isset($_POST['do_backup'])) {
147	$this->wp_secure('fatal');
148	check_admin_referer($this->referer_check_key);
149	$this->can_user_backup('main');
150	// save exclude prefs
151
152	$exc_revisions = (array) $_POST['exclude-revisions'];
153	$exc_spam = (array) $_POST['exclude-spam'];
154	update_option('xpressme_backup_excs', array('revisions' => $exc_revisions, 'spam' => $exc_spam));
155
156	$do_euc_to_utf8 = $_POST['euc_to_utf8'];
157	$do_rename_prefix = $_POST['do_rename_prefix'];
158	$before_prefix = $_POST['before_prefix'];
159	$after_prefix = $_POST['after_prefix'];
160
161	update_option('xpressme_backup_extras_option', array('do_euc_to_utf8' => $do_euc_to_utf8, 'do_rename_prefix' => $do_rename_prefix, 'before_prefix' => $before_prefix, 'after_prefix' => $after_prefix));
162
163	switch($_POST['do_backup']) {
164	case 'backup':
165	add_action('init', array(&$this, 'perform_backup'));
166	break;
167	case 'fragments':
168	add_action('admin_menu', array(&$this, 'fragment_menu'));
169	break;
170	}
171	} elseif (isset($_GET['fragment'] )) {
172	$this->can_user_backup('frame');
173	add_action('init', array(&$this, 'init'));
174	} elseif (isset($_GET['backup'] )) {
175	$this->can_user_backup();
176	add_action('init', array(&$this, 'init'));
177	} else {
178	add_action('admin_menu', array(&$this, 'admin_menu'));
179	}
180	}
181
182	function init() {
183	$this->can_user_backup();
184	if (isset($_GET['backup'])) {
185	$via = isset($_GET['via']) ? $_GET['via'] : 'http';
186
187	$this->backup_file = $_GET['backup'];
188	$this->validate_file($this->backup_file);
189
190	switch($via) {
191	case 'smtp':
192	case 'email':
193	$success = $this->deliver_backup($this->backup_file, 'smtp', $_GET['recipient'], 'frame');
194	$this->error_display( 'frame' );
195	if ( $success ) {
196	echo '
197	<!-- ' . $via . ' -->
198	<script type="text/javascript"><!--\\
199	';
200	echo '
201	alert("' . __('Backup Complete!','xpressme-backup') . '");
202	window.onbeforeunload = null;
203	</script>
204	';
205	}
206	break;
207	default:
208	$this->deliver_backup($this->backup_file, $via);
209	$this->error_display( 'frame' );
210	}
211	die();
212	}
213	if (isset($_GET['fragment'] )) {
214	list($table, $segment, $filename) = explode(':', $_GET['fragment']);
215	$this->validate_file($filename);
216	$this->backup_fragment($table, $segment, $filename);
217	}
218
219	die();
220	}
221
222	function init_textdomain() {
223	load_plugin_textdomain('xpressme-backup', str_replace(ABSPATH, '', dirname(__FILE__)), dirname(plugin_basename(__FILE__)));
224	}
225
226	/*
227	* Add a link to back up your database when doing a core upgrade
228	*/
229	function update_notice_action() {
230	if ( 'upgrade-core' == $_REQUEST['action'] ) :
231	ob_start(array(&$this, 'update_notice'));
232	add_action('admin_footer', create_function('', 'ob_end_flush();'));
233	endif;
234	}
235	function update_notice($text = '') {
236	$pattern = '#(<a href\="' . __('http://codex.wordpress.org/WordPress_Backups') . '">.*?</p>)#';
237	$replace = '$1' . "\n<p>" . sprintf(__('Click <a href="%s" target="_blank">here</a> to back up your database using the WordPress Database Backup plugin. <strong>Note:</strong> WordPress Database Backup does <em>not</em> back up your files, just your database.', 'xpressme-backup'), 'tools.php?page=xpressme-backup') . "</p>\n";
238	$text = preg_replace($pattern, $replace, $text);
239	return $text;
240	}
241
242	function build_backup_script() {
243	global $table_prefix, $wpdb;
244
245	echo "<div class='wrap'>";
246	echo '<fieldset class="options"><legend>' . __('Progress','xpressme-backup') . '</legend>
247	<p><strong>' .
248	__('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:','xpressme-backup').
249	'</strong></p>
250	<ol>
251	<li>'.__('Close this browser','xpressme-backup').'</li>
252	<li>'.__('Reload this page','xpressme-backup').'</li>
253	<li>'.__('Click the Stop or Back buttons in your browser','xpressme-backup').'</li>
254	</ol>
255	<p><strong>' . __('Progress:','xpressme-backup') . '</strong></p>
256	<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>
257	<div id="progress_message"></div>
258	<div id="errors"></div>
259	</fieldset>
260	<iframe id="backuploader" src="about:blank" style="visibility:hidden;border:none;height:1em;width:1px;"></iframe>
261	<script type="text/javascript">
262	//<![CDATA[
263	window.onbeforeunload = function() {
264	return "' . __('Navigating away from this page will cause your backup to fail.', 'xpressme-backup') . '";
265	}
266	function setMeter(pct) {
267	var meter = document.getElementById("meter");
268	meter.style.width = pct + "%";
269	meter.innerHTML = Math.floor(pct) + "%";
270	}
271	function setProgress(str) {
272	var progress = document.getElementById("progress_message");
273	progress.innerHTML = str;
274	}
275	function addError(str) {
276	var errors = document.getElementById("errors");
277	errors.innerHTML = errors.innerHTML + str + "<br />";
278	}
279
280	function backup(table, segment) {
281	var fram = document.getElementById("backuploader");
282	fram.src = "' . $this->page_url . '&fragment=" + table + ":" + segment + ":' . $this->backup_filename . ':";
283	}
284
285	var curStep = 0;
286
287	function nextStep() {
288	backupStep(curStep);
289	curStep++;
290	}
291
292	function finishBackup() {
293	var fram = document.getElementById("backuploader");
294	setMeter(100);
295	';
296
297	$download_uri = add_query_arg('backup', $this->backup_filename, $this->page_url);
298	switch($_POST['deliver']) {
299	case 'http':
300	echo '
301	setProgress("' . sprintf(__("Backup complete, preparing <a href=\\\"%s\\\">backup</a> for download...",'xpressme-backup'), $download_uri) . '");
302	window.onbeforeunload = null;
303	fram.src = "' . $download_uri . '";
304	';
305	break;
306	case 'smtp':
307	echo '
308	setProgress("' . sprintf(__("Backup complete, sending <a href=\\\"%s\\\">backup</a> via email...",'xpressme-backup'), $download_uri) . '");
309	window.onbeforeunload = null;
310	fram.src = "' . $download_uri . '&via=email&recipient=' . $_POST['backup_recipient'] . '";
311	';
312	break;
313	default:
314	echo '
315	setProgress("' . sprintf(__("Backup complete, download <a href=\\\"%s\\\">here</a>.",'xpressme-backup'), $download_uri) . '");
316	window.onbeforeunload = null;
317	';
318	}
319
320	echo '
321	}
322
323	function backupStep(step) {
324	switch(step) {
325	case 0: backup("", 0); break;
326	';
327
328	$also_backup = array();
329	if (isset($_POST['other_tables'])) {
330	$also_backup = $_POST['other_tables'];
331	} else {
332	$also_backup = array();
333	}
334	$core_tables = $_POST['core_tables'];
335	$tables = array_merge($core_tables, $also_backup);
336	$step_count = 1;
337	foreach ($tables as $table) {
338	$rec_count = $wpdb->get_var("SELECT count(*) FROM {$table}");
339	$rec_segments = ceil($rec_count / ROWS_PER_SEGMENT);
340	$table_count = 0;
341	if ( $this->module_check() ) {
342	$delay = "setTimeout('";
343	$delay_time = "', " . (int) MOD_EVASIVE_DELAY . ")";
344	}
345	else { $delay = $delay_time = ''; }
346	do {
347	echo "case {$step_count}: {$delay}backup(\"{$table}\", {$table_count}){$delay_time}; break;\n";
348	$step_count++;
349	$table_count++;
350	} while($table_count < $rec_segments);
351	echo "case {$step_count}: {$delay}backup(\"{$table}\", -1){$delay_time}; break;\n";
352	$step_count++;
353	}
354	echo "case {$step_count}: finishBackup(); break;";
355
356	echo '
357	}
358	if(step != 0) setMeter(100 * step / ' . $step_count . ');
359	}
360
361	nextStep();
362	// ]]>
363	</script>
364	</div>
365	';
366	$this->backup_menu();
367	}
368
369	function backup_fragment($table, $segment, $filename) {
370	global $table_prefix, $wpdb;
371
372	echo "$table:$segment:$filename";
373
374	if($table == '') {
375	$msg = __('Creating backup file...','xpressme-backup');
376	} else {
377	if($segment == -1) {
378	$msg = sprintf(__('Finished backing up table \\"%s\\".','xpressme-backup'), $table);
379	} else {
380	$msg = sprintf(__('Backing up table \\"%s\\"...','xpressme-backup'), $table);
381	}
382	}
383
384	if (is_writable($this->backup_dir)) {
385	$this->fp = $this->open($this->backup_dir . $filename, 'a');
386	if(!$this->fp) {
387	$this->error(__('Could not open the backup file for writing!','xpressme-backup'));
388	$this->error(array('loc' => 'frame', 'kind' => 'fatal', 'msg' => __('The backup file could not be saved. Please check the permissions for writing to your backup directory and try again.','xpressme-backup')));
389	}
390	else {
391	if($table == '') {
392	//Begin new backup of MySql
393	$this->stow("# " . __('WordPress MySQL database backup','xpressme-backup') . "\n");
394	$this->stow("#\n");
395	$this->stow("# " . sprintf(__('Generated: %s','xpressme-backup'),date("l j. F Y H:i T")) . "\n");
396	$this->stow("# " . sprintf(__('Hostname: %s','xpressme-backup'),DB_HOST) . "\n");
397	$this->stow("# " . sprintf(__('Database: %s','xpressme-backup'),$this->backquote(DB_NAME)) . "\n");
398	$this->stow("# --------------------------------------------------------\n");
399	} else {
400	if($segment == 0) {
401	// Increase script execution time-limit to 15 min for every table.
402	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
403	// Create the SQL statements
404	$this->stow("# --------------------------------------------------------\n");
405	$this->stow("# " . sprintf(__('Table: %s','xpressme-backup'),$this->backquote($table)) . "\n");
406	$this->stow("# --------------------------------------------------------\n");
407	}
408	$this->backup_table($table, $segment);
409	}
410	}
411	} else {
412	$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __('The backup directory is not writeable! Please check the permissions for writing to your backup directory and try again.','xpressme-backup')));
413	}
414
415	if($this->fp) $this->close($this->fp);
416
417	$this->error_display('frame');
418
419	echo '<script type="text/javascript"><!--//
420	var msg = "' . $msg . '";
421	window.parent.setProgress(msg);
422	window.parent.nextStep();
423	//--></script>
424	';
425	die();
426	}
427
428	function perform_backup() {
429	// are we backing up any other tables?
430	$also_backup = array();
431	if (isset($_POST['other_tables']))
432	$also_backup = $_POST['other_tables'];
433	$core_tables = $_POST['core_tables'];
434	$this->backup_file = $this->db_backup($core_tables, $also_backup);
435	if (false !== $this->backup_file) {
436	if ('smtp' == $_POST['deliver']) {
437	$this->deliver_backup($this->backup_file, $_POST['deliver'], $_POST['backup_recipient'], 'main');
438	wp_redirect($this->page_url);
439	} elseif ('http' == $_POST['deliver']) {
440	$download_uri = add_query_arg('backup',$this->backup_file,$this->page_url);
441	wp_redirect($download_uri);
442	exit;
443	}
444	// we do this to say we're done.
445	$this->backup_complete = true;
446	}
447	}
448
449	function admin_header() {
450	?>
451	<script type="text/javascript">
452	//<![CDATA[
453	if ( 'undefined' != typeof addLoadEvent ) {
454	addLoadEvent(function() {
455	var t = {'extra-tables-list':{name: 'other_tables[]'}, 'include-tables-list':{name: 'xpressme_cron_backup_tables[]'}};
456
457	for ( var k in t ) {
458	t[k].s = null;
459	var d = document.getElementById(k);
460	if ( ! d )
461	continue;
462	var ul = d.getElementsByTagName('ul').item(0);
463	if ( ul ) {
464	var lis = ul.getElementsByTagName('li');
465	if ( 3 > lis.length )
466	return;
467	var text = document.createElement('p');
468	text.className = 'instructions';
469	text.innerHTML = '<?php _e('Click and hold down <code>[SHIFT]</code> to toggle multiple checkboxes', 'xpressme-backup'); ?>';
470	ul.parentNode.insertBefore(text, ul);
471	}
472	t[k].p = d.getElementsByTagName("input");
473	for(var i=0; i < t[k].p.length; i++)
474	if(t[k].name == t[k].p[i].getAttribute('name')) {
475	t[k].p[i].id = k + '-table-' + i;
476	t[k].p[i].onkeyup = t[k].p[i].onclick = function(e) {
477	e = e ? e : event;
478	if ( 16 == e.keyCode )
479	return;
480	var match = /([\w-])-table-(\d)/.exec(this.id);
481	var listname = match[1];
482	var that = match[2];
483	if ( null === t[listname].s )
484	t[listname].s = that;
485	else if ( e.shiftKey ) {
486	var start = Math.min(that, t[listname].s) + 1;
487	var end = Math.max(that, t[listname].s);
488	for( var j=start; j < end; j++)
489	t[listname].p[j].checked = t[listname].p[j].checked ? false : true;
490	t[listname].s = null;
491	}
492	}
493	}
494	}
495
496	<?php if ( function_exists('wp_schedule_event') ) : // needs to be at least WP 2.1 for ajax ?>
497	if ( 'undefined' == typeof XMLHttpRequest )
498	var xml = new ActiveXObject( navigator.userAgent.indexOf('MSIE 5') >= 0 ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP' );
499	else
500	var xml = new XMLHttpRequest();
501
502	var initTimeChange = function() {
503	var timeWrap = document.getElementById('backup-time-wrap');
504	var backupTime = document.getElementById('next-backup-time');
505	if ( !! timeWrap && !! backupTime ) {
506	var span = document.createElement('span');
507	span.className = 'submit';
508	span.id = 'change-wrap';
509	span.innerHTML = '<input type="submit" id="change-backup-time" name="change-backup-time" value="<?php _e('Change','xpressme-backup'); ?>" />';
510	timeWrap.appendChild(span);
511	backupTime.ondblclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
512	span.onclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
513	}
514	}
515
516	var clickTime = function(e, backupTime) {
517	var tText = backupTime.innerHTML;
518	backupTime.innerHTML = '<input type="text" value="' + tText + '" name="backup-time-text" id="backup-time-text" /> <span class="submit"><input type="submit" name="save-backup-time" id="save-backup-time" value="<?php _e('Save', 'xpressme-backup'); ?>" /></span>';
519	backupTime.ondblclick = null;
520	var mainText = document.getElementById('backup-time-text');
521	mainText.focus();
522	var saveTButton = document.getElementById('save-backup-time');
523	if ( !! saveTButton )
524	saveTButton.onclick = function(e) { saveTime(backupTime, mainText); return false; };
525	if ( !! mainText )
526	mainText.onkeydown = function(e) {
527	e = e \|\| window.event;
528	if ( 13 == e.keyCode ) {
529	saveTime(backupTime, mainText);
530	return false;
531	}
532	}
533	}
534
535	var saveTime = function(backupTime, mainText) {
536	var tVal = mainText.value;
537
538	xml.open('POST', 'admin-ajax.php', true);
539	xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
540	if ( xml.overrideMimeType )
541	xml.setRequestHeader('Connection', 'close');
542	xml.send('action=save_backup_time&_wpnonce=<?php echo wp_create_nonce($this->referer_check_key); ?>&backup-time='+tVal);
543	xml.onreadystatechange = function() {
544	if ( 4 == xml.readyState && '0' != xml.responseText ) {
545	backupTime.innerHTML = xml.responseText;
546	initTimeChange();
547	}
548	}
549	}
550
551	initTimeChange();
552	<?php endif; // wp_schedule_event exists ?>
553	});
554	}
555	//]]>
556	</script>
557	<style type="text/css">
558	.xpressme-backup-updated {
559	margin-top: 1em;
560	}
561
562	fieldset.options {
563	border: 1px solid;
564	margin-top: 1em;
565	padding: 1em;
566	}
567	fieldset.options div.tables-list {
568	float: left;
569	padding: 1em;
570	}
571
572	fieldset.options input {
573	}
574
575	fieldset.options legend {
576	font-size: larger;
577	font-weight: bold;
578	margin-bottom: .5em;
579	padding: 1em;
580	}
581
582	fieldset.options .instructions {
583	font-size: smaller;
584	}
585
586	fieldset.options ul {
587	list-style-type: none;
588	}
589	fieldset.options li {
590	text-align: left;
591	}
592
593	fieldset.options .submit {
594	border-top: none;
595	}
596	</style>
597	<?php
598	}
599
600	function admin_load() {
601	add_action('admin_head', array(&$this, 'admin_header'));
602	}
603
604	function admin_menu() {
605	$_page_hook = add_management_page(__('XPressME Backup','xpressme-backup'), __('XPressME Backup','xpressme-backup'), 'import', $this->basename, array(&$this, 'backup_menu'));
606	add_action('load-' . $_page_hook, array(&$this, 'admin_load'));
607	if ( function_exists('add_contextual_help') ) {
608	$text = $this->help_menu();
609	add_contextual_help($_page_hook, $text);
610	}
611	}
612
613	function fragment_menu() {
614	$page_hook = add_management_page(__('XPressME Backup','xpressme-backup'), __('XPressME Backup','xpressme-backup'), 'import', $this->basename, array(&$this, 'build_backup_script'));
615	add_action('load-' . $page_hook, array(&$this, 'admin_load'));
616	}
617
618	/**
619	* Add WP-DB-Backup-specific help options to the 2.7 =< WP contextual help menu
620	* return string The text of the help menu.
621	*/
622	function help_menu() {
623	$text = '';
624	// $text = "\n<a href=\"http://wordpress.org/extend/plugins/xpressme-backup/faq/\" target=\"_blank\">" . __('FAQ', 'xpressme-backup') . '</a>';
625	// $text .= "\n<br />\n<a href=\"http://www.ilfilosofo.com/forum/forum/2\" target=\"_blank\">" . __('WP-DB-Backup Support Forum', 'xpressme-backup') . '</a>';
626	return $text;
627	}
628
629	function save_backup_time() {
630	if ( $this->can_user_backup() ) {
631	// try to get a time from the input string
632	$time = strtotime(strval($_POST['backup-time']));
633	if ( ! empty( $time ) && time() < $time ) {
634	wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
635	$scheds = (array) wp_get_schedules();
636	$name = get_option('xpressme_cron_backup_schedule');
637	if ( 0 != $time ) {
638	wp_schedule_event($time, $name, 'wp_db_backup_cron');
639	echo gmdate(get_option('date_format') . ' ' . get_option('time_format'), $time + (get_option('gmt_offset') * 3600));
640	exit;
641	}
642	}
643	} else {
644	die(0);
645	}
646	}
647
648	/**
649	* Better addslashes for SQL queries.
650	* Taken from phpMyAdmin.
651	*/
652	function sql_addslashes($a_string = '', $is_like = false) {
653	if ($is_like) $a_string = str_replace('\\', '\\\\\\\\', $a_string);
654	else $a_string = str_replace('\\', '\\\\', $a_string);
655	return str_replace('\'', '\\\'', $a_string);
656	}
657
658	/**
659	* Add backquotes to tables and db-names in
660	* SQL queries. Taken from phpMyAdmin.
661	*/
662	function backquote($a_name) {
663	if (!empty($a_name) && $a_name != '*') {
664	if (is_array($a_name)) {
665	$result = array();
666	reset($a_name);
667	while(list($key, $val) = each($a_name))
668	$result[$key] = '`' . $val . '`';
669	return $result;
670	} else {
671	return '`' . $a_name . '`';
672	}
673	} else {
674	return $a_name;
675	}
676	}
677
678	function open($filename = '', $mode = 'w') {
679	if ('' == $filename) return false;
680	if ($this->gzip())
681	$fp = @gzopen($filename, $mode);
682	else
683	$fp = @fopen($filename, $mode);
684	return $fp;
685	}
686
687	function close($fp) {
688	if ($this->gzip()) gzclose($fp);
689	else fclose($fp);
690	}
691
692	/**
693	* Write to the backup file
694	* @param string $query_line the line to write
695	* @return null
696	*/
697	function stow($query_line) {
698	$query_line = $this->extras_filter($query_line);
699	if ($this->gzip()) {
700	if(! @gzwrite($this->fp, $query_line))
701	$this->error(__('There was an error writing a line to the backup script:','xpressme-backup') . ' ' . $query_line . ' ' . $php_errormsg);
702	} else {
703	if(false === @fwrite($this->fp, $query_line))
704	$this->error(__('There was an error writing a line to the backup script:','xpressme-backup') . ' ' . $query_line . ' ' . $php_errormsg);
705	}
706	}
707
708	/**
709	* Logs any error messages
710	* @param array $args
711	* @return bool
712	*/
713	function error($args = array()) {
714	if ( is_string( $args ) )
715	$args = array('msg' => $args);
716	$args = array_merge( array('loc' => 'main', 'kind' => 'warn', 'msg' => ''), $args);
717	$this->errors[$args['kind']][] = $args['msg'];
718	if ( 'fatal' == $args['kind'] \|\| 'frame' == $args['loc'])
719	$this->error_display($args['loc']);
720	return true;
721	}
722
723	/**
724	* Displays error messages
725	* @param array $errs
726	* @param string $loc
727	* @return string
728	*/
729	function error_display($loc = 'main', $echo = true) {
730	$errs = $this->errors;
731	unset( $this->errors );
732	if ( ! count($errs) ) return;
733	$msg = '';
734	$err_list = array_slice(array_merge( (array) $errs['fatal'], (array) $errs['warn']), 0, 10);
735	if ( 10 == count( $err_list ) )
736	$err_list[9] = __('Subsequent errors have been omitted from this log.','xpressme-backup');
737	$wrap = ( 'frame' == $loc ) ? "<script type=\"text/javascript\">\n var msgList = ''; \n %1\$s \n if ( msgList ) alert(msgList); \n </script>" : '%1$s';
738	$line = ( 'frame' == $loc ) ?
739	"try{ window.parent.addError('%1\$s'); } catch(e) { msgList += ' %1\$s';}\n" :
740	"%1\$s<br />\n";
741	foreach( (array) $err_list as $err )
742	$msg .= sprintf($line,str_replace(array("\n","\r"), '', addslashes($err)));
743	$msg = sprintf($wrap,$msg);
744	if ( count($errs['fatal'] ) ) {
745	if ( function_exists('wp_die') && 'frame' != $loc ) wp_die(stripslashes($msg));
746	else die($msg);
747	}
748	else {
749	if ( $echo ) echo $msg;
750	else return $msg;
751	}
752	}
753
754	/**
755	* Taken partially from phpMyAdmin and partially from
756	* Alain Wolf, Zurich - Switzerland
757	* Website: http://restkultur.ch/personal/wolf/scripts/db_backup/
758
759	* Modified by Scott Merrill (http://www.skippy.net/)
760	* to use the WordPress $wpdb object
761	* @param string $table
762	* @param string $segment
763	* @return void
764	*/
765	function backup_table($table, $segment = 'none') {
766	global $wpdb;
767
768	$table_structure = $wpdb->get_results("DESCRIBE $table");
769	if (! $table_structure) {
770	$this->error(__('Error getting table details','xpressme-backup') . ": $table");
771	return false;
772	}
773
774	if(($segment == 'none') \|\| ($segment == 0)) {
775	// Add SQL statement to drop existing table
776	$this->stow("\n\n");
777	$this->stow("#\n");
778	$this->stow("# " . sprintf(__('Delete any existing table %s','xpressme-backup'),$this->backquote($table)) . "\n");
779	$this->stow("#\n");
780	$this->stow("\n");
781	$this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n");
782
783	// Table structure
784	// Comment in SQL-file
785	$this->stow("\n\n");
786	$this->stow("#\n");
787	$this->stow("# " . sprintf(__('Table structure of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
788	$this->stow("#\n");
789	$this->stow("\n");
790
791	$create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N);
792	if (false === $create_table) {
793	$err_msg = sprintf(__('Error with SHOW CREATE TABLE for %s.','xpressme-backup'), $table);
794	$this->error($err_msg);
795	$this->stow("#\n# $err_msg\n#\n");
796	}
797	$this->stow($create_table[0][1] . ' ;');
798
799	if (false === $table_structure) {
800	$err_msg = sprintf(__('Error getting table structure of %s','xpressme-backup'), $table);
801	$this->error($err_msg);
802	$this->stow("#\n# $err_msg\n#\n");
803	}
804
805	// Comment in SQL-file
806	$this->stow("\n\n");
807	$this->stow("#\n");
808	$this->stow('# ' . sprintf(__('Data contents of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
809	$this->stow("#\n");
810	}
811
812	if(($segment == 'none') \|\| ($segment >= 0)) {
813	$defs = array();
814	$ints = array();
815	foreach ($table_structure as $struct) {
816	if ( (0 === strpos($struct->Type, 'tinyint')) \|\|
817	(0 === strpos(strtolower($struct->Type), 'smallint')) \|\|
818	(0 === strpos(strtolower($struct->Type), 'mediumint')) \|\|
819	(0 === strpos(strtolower($struct->Type), 'int')) \|\|
820	(0 === strpos(strtolower($struct->Type), 'bigint')) ) {
821	$defs[strtolower($struct->Field)] = ( null === $struct->Default ) ? 'NULL' : $struct->Default;
822	$ints[strtolower($struct->Field)] = "1";
823	}
824	}
825
826
827	// Batch by $row_inc
828
829	if($segment == 'none') {
830	$row_start = 0;
831	$row_inc = ROWS_PER_SEGMENT;
832	} else {
833	$row_start = $segment * ROWS_PER_SEGMENT;
834	$row_inc = ROWS_PER_SEGMENT;
835	}
836
837	do {
838	// don't include extra stuff, if so requested
839	$excs = (array) get_option('xpressme_backup_excs');
840
841	$where = '';
842	if ( is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) {
843	$where = ' WHERE comment_approved != "spam"';
844	} elseif ( is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) {
845	$where = ' WHERE post_type != "revision"';
846	}
847
848	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
849	$table_data = $wpdb->get_results("SELECT * FROM $table $where LIMIT {$row_start}, {$row_inc}", ARRAY_A);
850
851	$entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES (';
852	// \x08\\x09, not required
853	$search = array("\x00", "\x0a", "\x0d", "\x1a");
854	$replace = array('\0', '\n', '\r', '\Z');
855	if($table_data) {
856	foreach ($table_data as $row) {
857	$values = array();
858	foreach ($row as $key => $value) {
859	if ($ints[strtolower($key)]) {
860	// make sure there are no blank spots in the insert syntax,
861	// yet try to avoid quotation marks around integers
862	$value = ( null === $value \|\| '' === $value) ? $defs[strtolower($key)] : $value;
863	$values[] = ( '' === $value ) ? "''" : $value;
864	} else {
865	$values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'";
866	}
867	}
868	$this->stow(" \n" . $entries . implode(', ', $values) . ');');
869	}
870	$row_start += $row_inc;
871	}
872	} while((count($table_data) > 0) and ($segment=='none'));
873	}
874
875	if(($segment == 'none') \|\| ($segment < 0)) {
876	// Create footer/closing comment in SQL-file
877	$this->stow("\n");
878	$this->stow("#\n");
879	$this->stow("# " . sprintf(__('End of data contents of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
880	$this->stow("# --------------------------------------------------------\n");
881	$this->stow("\n");
882	}
883	} // end backup_table()
884
885	function db_backup($core_tables, $other_tables) {
886	global $table_prefix, $wpdb;
887
888	if (is_writable($this->backup_dir)) {
889	$this->fp = $this->open($this->backup_dir . $this->backup_filename);
890	if(!$this->fp) {
891	$this->error(__('Could not open the backup file for writing!','xpressme-backup'));
892	return false;
893	}
894	} else {
895	$this->error(__('The backup directory is not writeable!','xpressme-backup'));
896	return false;
897	}
898
899	//Begin new backup of MySql
900	$this->stow("# " . __('WordPress MySQL database backup','xpressme-backup') . "\n");
901	$this->stow("#\n");
902	$this->stow("# " . sprintf(__('Generated: %s','xpressme-backup'),date("l j. F Y H:i T")) . "\n");
903	$this->stow("# " . sprintf(__('Hostname: %s','xpressme-backup'),DB_HOST) . "\n");
904	$this->stow("# " . sprintf(__('Database: %s','xpressme-backup'),$this->backquote(DB_NAME)) . "\n");
905	$this->stow("# --------------------------------------------------------\n");
906
907	if ( (is_array($other_tables)) && (count($other_tables) > 0) )
908	$tables = array_merge($core_tables, $other_tables);
909	else
910	$tables = $core_tables;
911
912	foreach ($tables as $table) {
913	// Increase script execution time-limit to 15 min for every table.
914	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
915	// Create the SQL statements
916	$this->stow("# --------------------------------------------------------\n");
917	$this->stow("# " . sprintf(__('Table: %s','xpressme-backup'),$this->backquote($table)) . "\n");
918	$this->stow("# --------------------------------------------------------\n");
919	$this->backup_table($table);
920	}
921
922	$this->close($this->fp);
923
924	if (count($this->errors)) {
925	return false;
926	} else {
927	return $this->backup_filename;
928	}
929
930	} //wp_db_backup
931
932	/**
933	* Sends the backed-up file via email
934	* @param string $to
935	* @param string $subject
936	* @param string $message
937	* @return bool
938	*/
939	function send_mail( $to, $subject, $message, $diskfile) {
940	global $phpmailer;
941
942	$filename = basename($diskfile);
943
944	extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message' ) ) );
945
946	if ( !is_object( $phpmailer ) \|\| ( strtolower(get_class( $phpmailer )) != 'phpmailer' ) ) {
947	if ( file_exists( ABSPATH . WPINC . '/class-phpmailer.php' ) )
948	require_once ABSPATH . WPINC . '/class-phpmailer.php';
949	if ( file_exists( ABSPATH . WPINC . '/class-smtp.php' ) )
950	require_once ABSPATH . WPINC . '/class-smtp.php';
951	if ( class_exists( 'PHPMailer') )
952	$phpmailer = new PHPMailer();
953	}
954
955	// try to use phpmailer directly (WP 2.2+)
956	if ( is_object( $phpmailer ) && ( strtolower(get_class( $phpmailer )) == 'phpmailer' ) ) {
957
958	// Get the site domain and get rid of www.
959	$sitename = strtolower( $_SERVER['SERVER_NAME'] );
960	if ( substr( $sitename, 0, 4 ) == 'www.' ) {
961	$sitename = substr( $sitename, 4 );
962	}
963	$from_email = 'wordpress@' . $sitename;
964	$from_name = 'WordPress';
965
966	// Empty out the values that may be set
967	$phpmailer->ClearAddresses();
968	$phpmailer->ClearAllRecipients();
969	$phpmailer->ClearAttachments();
970	$phpmailer->ClearBCCs();
971	$phpmailer->ClearCCs();
972	$phpmailer->ClearCustomHeaders();
973	$phpmailer->ClearReplyTos();
974
975	$phpmailer->AddAddress( $to );
976	$phpmailer->AddAttachment($diskfile, $filename);
977	$phpmailer->Body = $message;
978	$phpmailer->CharSet = apply_filters( 'wp_mail_charset', get_bloginfo('charset') );
979	$phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
980	$phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
981	$phpmailer->IsMail();
982	$phpmailer->Subject = $subject;
983
984	do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
985
986	$result = @$phpmailer->Send();
987
988	// old-style: build the headers directly
989	} else {
990	$randomish = md5(time());
991	$boundary = "==WPBACKUP-$randomish";
992	$fp = fopen($diskfile,"rb");
993	$file = fread($fp,filesize($diskfile));
994	$this->close($fp);
995
996	$data = chunk_split(base64_encode($file));
997
998	$headers .= "MIME-Version: 1.0\n";
999	$headers = 'From: wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])) . "\n";
1000	$headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
1001
1002	// Add a multipart boundary above the plain message
1003	$message = "This is a multi-part message in MIME format.\n\n" .
1004	"--{$boundary}\n" .
1005	"Content-Type: text/plain; charset=\"" . get_bloginfo('charset') . "\"\n" .
1006	"Content-Transfer-Encoding: 7bit\n\n" .
1007	$message . "\n\n";
1008
1009	// Add file attachment to the message
1010	$message .= "--{$boundary}\n" .
1011	"Content-Type: application/octet-stream;\n" .
1012	" name=\"{$filename}\"\n" .
1013	"Content-Disposition: attachment;\n" .
1014	" filename=\"{$filename}\"\n" .
1015	"Content-Transfer-Encoding: base64\n\n" .
1016	$data . "\n\n" .
1017	"--{$boundary}--\n";
1018
1019	$result = @wp_mail($to, $subject, $message, $headers);
1020	}
1021	return $result;
1022
1023	}
1024
1025	function deliver_backup($filename = '', $delivery = 'http', $recipient = '', $location = 'main') {
1026	if ('' == $filename) { return false; }
1027
1028	$diskfile = $this->backup_dir . $filename;
1029	if ('http' == $delivery) {
1030	if (! file_exists($diskfile))
1031	$this->error(array('kind' => 'fatal', 'msg' => sprintf(__('File not found:%s','xpressme-backup'), " <strong>$filename</strong><br />") . '<br /><a href="' . $this->page_url . '">' . __('Return to Backup','xpressme-backup') . '</a>'));
1032	header('Content-Description: File Transfer');
1033	header('Content-Type: application/octet-stream');
1034	header('Content-Length: ' . filesize($diskfile));
1035	header("Content-Disposition: attachment; filename=$filename");
1036	$success = readfile($diskfile);
1037	unlink($diskfile);
1038	} elseif ('smtp' == $delivery) {
1039	if (! file_exists($diskfile)) {
1040	$msg = sprintf(__('File %s does not exist!','xpressme-backup'), $diskfile);
1041	$this->error($msg);
1042	return false;
1043	}
1044	if (! is_email($recipient)) {
1045	$recipient = get_option('admin_email');
1046	}
1047	$message = sprintf(__("Attached to this email is\n %1s\n Size:%2s kilobytes\n",'xpressme-backup'), $filename, round(filesize($diskfile)/1024));
1048	$success = $this->send_mail($recipient, get_bloginfo('name') . ' ' . __('Database Backup','xpressme-backup'), $message, $diskfile);
1049
1050	if ( false === $success ) {
1051	$msg = __('The following errors were reported:','xpressme-backup') . "\n ";
1052	if ( function_exists('error_get_last') ) {
1053	$err = error_get_last();
1054	$msg .= $err['message'];
1055	} else {
1056	$msg .= __('ERROR: The mail application has failed to deliver the backup.','xpressme-backup');
1057	}
1058	$this->error(array('kind' => 'fatal', 'loc' => $location, 'msg' => $msg));
1059	} else {
1060	unlink($diskfile);
1061	}
1062	}
1063	return $success;
1064	}
1065
1066	function backup_menu() {
1067	global $table_prefix, $wpdb;
1068	$feedback = '';
1069	$whoops = false;
1070
1071	// did we just do a backup? If so, let's report the status
1072	if ( $this->backup_complete ) {
1073	$feedback = '<div class="updated xpressme-backup-updated"><p>' . __('Backup Successful','xpressme-backup') . '!';
1074	$file = $this->backup_file;
1075	switch($_POST['deliver']) {
1076	case 'http':
1077	$feedback .= '<br />' . sprintf(__('Your backup file: <a href="%1s">%2s</a> should begin downloading shortly.','xpressme-backup'), WP_BACKUP_URL . "{$this->backup_file}", $this->backup_file);
1078	break;
1079	case 'smtp':
1080	if (! is_email($_POST['backup_recipient'])) {
1081	$feedback .= get_option('admin_email');
1082	} else {
1083	$feedback .= $_POST['backup_recipient'];
1084	}
1085	$feedback = '<br />' . sprintf(__('Your backup has been emailed to %s','xpressme-backup'), $feedback);
1086	break;
1087	case 'none':
1088	$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"','xpressme-backup');
1089	$feedback .= ':<br /> <a href="' . WP_BACKUP_URL . "$file\">$file</a> : " . sprintf(__('%s bytes','xpressme-backup'), filesize($this->backup_dir . $file));
1090	}
1091	$feedback .= '</p></div>';
1092	}
1093
1094	// security check
1095	$this->wp_secure();
1096
1097	if (count($this->errors)) {
1098	$feedback .= '<div class="updated xpressme-backup-updated error"><p><strong>' . __('The following errors were reported:','xpressme-backup') . '</strong></p>';
1099	$feedback .= '<p>' . $this->error_display( 'main', false ) . '</p>';
1100	$feedback .= "</p></div>";
1101	}
1102
1103	// did we just save options for wp-cron?
1104	if ( (function_exists('wp_schedule_event') \|\| function_exists('xpressme_cron_init'))
1105	&& isset($_POST['xpressme_cron_backup_options']) ) :
1106	do_action('wp_db_b_update_cron_options');
1107	if ( function_exists('wp_schedule_event') ) {
1108	wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
1109	$scheds = (array) wp_get_schedules();
1110	$name = strval($_POST['xpressme_cron_schedule']);
1111	$interval = ( isset($scheds[$name]['interval']) ) ?
1112	(int) $scheds[$name]['interval'] : 0;
1113	update_option('xpressme_cron_backup_schedule', $name, false);
1114	if ( 0 !== $interval ) {
1115	wp_schedule_event(time() + $interval, $name, 'wp_db_backup_cron');
1116	}
1117	}
1118	else {
1119	update_option('xpressme_cron_backup_schedule', intval($_POST['cron_schedule']), false);
1120	}
1121	update_option('xpressme_cron_backup_tables', $_POST['xpressme_cron_backup_tables']);
1122	if (is_email($_POST['cron_backup_recipient'])) {
1123	update_option('xpressme_cron_backup_recipient', $_POST['cron_backup_recipient'], false);
1124	}
1125	$feedback .= '<div class="updated xpressme-backup-updated"><p>' . __('Scheduled Backup Options Saved!','xpressme-backup') . '</p></div>';
1126	endif;
1127
1128	$other_tables = array();
1129	$also_backup = array();
1130
1131	// Get complete db table list
1132	$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
1133	$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
1134	// Get list of WP tables that actually exist in this DB (for 1.6 compat!)
1135	$wp_backup_default_tables = array_intersect($all_tables, $this->core_table_names);
1136	// Get list of non-WP tables
1137	$other_tables = array_diff($all_tables, $wp_backup_default_tables);
1138
1139	if ('' != $feedback)
1140	echo $feedback;
1141
1142	if ( ! $this->wp_secure() )
1143	return;
1144
1145	// Give the new dirs the same perms as wp-content.
1146	// $stat = stat( ABSPATH . 'wp-content' );
1147	// $dir_perms = $stat['mode'] & 0000777; // Get the permission bits.
1148	$dir_perms = '0777';
1149
1150	// the file doesn't exist and can't create it
1151	if ( ! file_exists($this->backup_dir) && ! @mkdir($this->backup_dir) ) {
1152	?><div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory does <strong>NOT</strong> exist, and we cannot create it.','xpressme-backup'); ?></p>
1153	<p><?php printf(__('Using your FTP client, try to create the backup directory yourself: %s', 'xpressme-backup'), '<code>' . $this->backup_dir . '</code>'); ?></p></div><?php
1154	$whoops = true;
1155	// not writable due to write permissions
1156	} elseif ( !is_writable($this->backup_dir) && ! @chmod($this->backup_dir, $dir_perms) ) {
1157	?><div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable! We cannot create the backup files.','xpressme-backup'); ?></p>
1158	<p><?php printf(__('Using your FTP client, try to set the backup directory’s write permission to %1$s or %2$s: %3$s', 'xpressme-backup'), '<code>777</code>', '<code>a+w</code>', '<code>' . $this->backup_dir . '</code>'); ?>
1159	</p></div><?php
1160	$whoops = true;
1161	} else {
1162	$this->fp = $this->open($this->backup_dir . 'test' );
1163	if( $this->fp ) {
1164	$this->close($this->fp);
1165	@unlink($this->backup_dir . 'test' );
1166	// the directory is not writable probably due to safe mode
1167	} else {
1168	?><div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable! We cannot create the backup files.','xpressme-backup'); ?></p><?php
1169	if( ini_get('safe_mode') ){
1170	?><p><?php _e('This problem seems to be caused by your server’s <code>safe_mode</code> file ownership restrictions, which limit what files web applications like WordPress can create.', 'xpressme-backup'); ?></p><?php
1171	}
1172	?><?php printf(__('You can try to correct this problem by using your FTP client to delete and then re-create the backup directory: %s', 'xpressme-backup'), '<code>' . $this->backup_dir . '</code>');
1173	?></div><?php
1174	$whoops = true;
1175	}
1176	}
1177
1178
1179
1180	if ( !file_exists($this->backup_dir . 'index.php') )
1181	@ touch($this->backup_dir . 'index.php');
1182	?><div class='wrap'>
1183	<h2><?php _e('Backup','xpressme-backup') ?></h2>
1184	<form method="post" action="">
1185	<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
1186	<fieldset class="options"><legend><?php _e('Tables','xpressme-backup') ?></legend>
1187	<table align="center" cellspacing="5" cellpadding="5">
1188	<tr><td width="50%" align="left" class="alternate" valign="top">
1189	<div class="tables-list core-tables alternate">
1190	<h4><?php _e('These core WordPress tables will always be backed up:','xpressme-backup') ?></h4><ul><?php
1191	$excs = (array) get_option('xpressme_backup_excs');
1192
1193	foreach ($wp_backup_default_tables as $table) {
1194	if ( $table == $wpdb->comments ) {
1195	$checked = ( isset($excs['spam']) && is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) ? ' checked=\'checked\'' : '';
1196	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-spam[]' value='$table' $checked /> " . __('Exclude spam comments', 'xpressme-backup') . '</span></li>';
1197	} elseif ( function_exists('wp_get_post_revisions') && $table == $wpdb->posts ) {
1198	$checked = ( isset($excs['revisions']) && is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) ? ' checked=\'checked\'' : '';
1199	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-revisions[]' value='$table' $checked /> " . __('Exclude post revisions', 'xpressme-backup') . '</span></li>';
1200	} else {
1201	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code></li>";
1202	}
1203	}
1204	?></ul>
1205	</div>
1206	</td><td width="50%" align="left" valign="top">
1207	<div class="tables-list extra-tables" id="extra-tables-list">
1208	<?php
1209	if (count($other_tables) > 0) {
1210	$select_all = __('Select all','xpressme-backup');
1211	$select_none = __('Select none','xpressme-backup');
1212	?>
1213	<h4><?php _e('You may choose to include any of the following tables:','xpressme-backup'); ?></h4>
1214	<ul>
1215	<script type="text/javascript">
1216	//<![CDATA[
1217	var wpdbBackup = function() {};
1218	(function(b){
1219	var n = function(c) {
1220	var p = document.getElementsByTagName("input");
1221	for(var i=0;i<p.length;i++)
1222	if('other_tables[]' == p[i].getAttribute('name'))
1223	p[i].checked = c;
1224	}
1225	b.a = function() { n(true) }
1226	b.n = function() { n(false) }
1227
1228	document.write('<p><a href="javascript:void(0)" onclick="wpdbBackup.a()"><?php echo $select_all ?></a> / <a href="javascript:void(0)" onclick="wpdbBackup.n()"><?php echo $select_none ?></a></p>');
1229	})(wpdbBackup)
1230	//]]>
1231	</script>
1232
1233	<?php
1234	foreach ($other_tables as $table) {
1235	?>
1236	<li><label><input type="checkbox" name="other_tables[]" value="<?php echo $table; ?>" /> <code><?php echo $table; ?></code></label>
1237	<?php
1238	}
1239	?></ul><?php
1240	}
1241	?></div>
1242	</td></tr></table>
1243	</fieldset>
1244
1245	<fieldset class="options">
1246	<legend><?php _e('Backup Options','xpressme-backup'); ?></legend>
1247	<p><?php _e('What to do with the backup file:','xpressme-backup'); ?></p>
1248	<ul>
1249	<li><label for="do_save">
1250	<input type="radio" id="do_save" name="deliver" value="none" style="border:none;" />
1251	<?php _e('Save to server','xpressme-backup');
1252	echo " (<code>" . $this->backup_dir . "</code>)"; ?>
1253	</label></li>
1254	<li><label for="do_download">
1255	<input type="radio" checked="checked" id="do_download" name="deliver" value="http" style="border:none;" />
1256	<?php _e('Download to your computer','xpressme-backup'); ?>
1257	</label></li>
1258	<li><label for="do_email">
1259	<input type="radio" name="deliver" id="do_email" value="smtp" style="border:none;" />
1260	<?php _e('Email backup to:','xpressme-backup'); ?>
1261	<input type="text" name="backup_recipient" size="20" value="<?php echo get_option('admin_email'); ?>" />
1262	</label></li>
1263	</ul>
1264	<p><?php _e('Backup Ditaile Options','xpressme-backup'); ?></p>
1265	<ul>
1266	<?php
1267	if(WPLANG == 'ja_EUC'){
1268	echo '<li><label for="do_euc_to_utf8">';
1269	if($this->is_mbstring()){
1270	echo '<input type="checkbox" name="euc_to_utf8" id="euc_to_utf8" value="1" />';
1271	echo __('Converte EUC-JP to UTF-8','xpressme-backup');
1272	} else {
1273	echo '<input type="checkbox" name="euc_to_utf8" id="euc_to_utf8" value="1" disabled="1"/>';
1274	echo __('Converte EUC-JP to UTF-8','xpressme-backup');
1275	echo ' (<span style="color:#ff0000">' . __('The server used does not support the mb_convert_encoding() function.','xpressme-backup') . '</span>)';
1276	}
1277	echo '</label></li>';
1278	} else {
1279	echo '<input type="hidden" name="euc_to_utf8" id="euc_to_utf8" value="0" />';
1280	}
1281	?>
1282	<li><label for="rename_prefix">
1283	<input type="checkbox" name="do_rename_prefix" id="do_rename_prefix" value="1" />
1284	<?php _e('Rename DB Prefix','xpressme-backup'); ?>
1285	<input type="text" name="before_prefix" size="20" value="<?php echo $table_prefix; ?>" />
1286	<?php _e('to','xpressme-backup'); ?>
1287	<input type="text" name="after_prefix" size="20" value="<?php echo $table_prefix; ?>" />
1288	</label></li>
1289	</ul>
1290	<?php if ( ! $whoops ) : ?>
1291	<input type="hidden" name="do_backup" id="do_backup" value="backup" />
1292	<p class="submit">
1293	<input type="submit" name="submit" onclick="document.getElementById('do_backup').value='fragments';" value="<?php _e('Backup now!','xpressme-backup'); ?>" />
1294	</p>
1295	<?php else : ?>
1296	<div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable!','xpressme-backup'); ?></p></div>
1297	<?php endif; // ! whoops ?>
1298	</fieldset>
1299	<?php do_action('wp_db_b_backup_opts'); ?>
1300	</form>
1301
1302	<?php
1303	// this stuff only displays if some sort of wp-cron is available
1304	$cron = ( function_exists('wp_schedule_event') ) ? true : false; // wp-cron in WP 2.1+
1305	$cron_old = ( function_exists('xpressme_cron_init') && ! $cron ) ? true : false; // wp-cron plugin by Skippy
1306	if ( $cron_old \|\| $cron ) :
1307	echo '<fieldset class="options"><legend>' . __('Scheduled Backup','xpressme-backup') . '</legend>';
1308	$datetime = get_option('date_format') . ' ' . get_option('time_format');
1309	if ( $cron ) :
1310	$next_cron = wp_next_scheduled('wp_db_backup_cron');
1311	if ( ! empty( $next_cron ) ) :
1312	?>
1313	<p id="backup-time-wrap">
1314	<?php printf(__('Next Backup: %s','xpressme-backup'), '<span id="next-backup-time">' . gmdate($datetime, $next_cron + (get_option('gmt_offset') * 3600)) . '</span>'); ?>
1315	</p>
1316	<?php
1317	endif;
1318	elseif ( $cron_old ) :
1319	?><p><?php printf(__('Last WP-Cron Daily Execution: %s','xpressme-backup'), gmdate($datetime, get_option('xpressme_cron_daily_lastrun') + (get_option('gmt_offset') * 3600))); ?><br /><?php
1320	printf(__('Next WP-Cron Daily Execution: %s','xpressme-backup'), gmdate($datetime, (get_option('xpressme_cron_daily_lastrun') + (get_option('gmt_offset') * 3600) + 86400))); ?></p><?php
1321	endif;
1322	?><form method="post" action="">
1323	<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
1324	<div class="tables-list">
1325	<h4><?php _e('Schedule: ','xpressme-backup'); ?></h4>
1326	<?php
1327	if ( $cron_old ) :
1328	$xpressme_cron_backup_schedule = get_option('xpressme_cron_backup_schedule');
1329	$schedule = array(0 => __('None','xpressme-backup'), 1 => __('Daily','xpressme-backup'));
1330	foreach ($schedule as $value => $name) {
1331	echo ' <input type="radio" style="border:none;" name="cron_schedule"';
1332	if ($xpressme_cron_backup_schedule == $value) {
1333	echo ' checked="checked" ';
1334	}
1335	echo 'value="' . $value . '" /> ' . $name;
1336	}
1337	elseif ( $cron ) :
1338	echo apply_filters('wp_db_b_schedule_choices', wp_get_schedules() );
1339	endif;
1340	$cron_recipient = get_option('xpressme_cron_backup_recipient');
1341	if (! is_email($cron_recipient)) {
1342	$cron_recipient = get_option('admin_email');
1343	}
1344	$cron_recipient_input = '<p><label for="cron_backup_recipient">' . __('Email backup to:','xpressme-backup') . ' <input type="text" name="cron_backup_recipient" id="cron_backup_recipient" size="20" value="' . $cron_recipient . '" /></label></p>';
1345	echo apply_filters('wp_db_b_cron_recipient_input', $cron_recipient_input);
1346	echo '<p class="submit"><input type="submit" name="submit" value="' . __('Schedule backup','xpressme-backup') . '" /></p>';
1347	echo '</div>';
1348	$cron_tables = get_option('xpressme_cron_backup_tables');
1349	if (! is_array($cron_tables)) {
1350	$cron_tables = array();
1351	}
1352	if (count($other_tables) > 0) {
1353	echo '<div class="tables-list alternate" id="include-tables-list">';
1354	echo '<h4>' . __('Tables to include in the scheduled backup:','xpressme-backup') . '</h4><ul>';
1355	foreach ($other_tables as $table) {
1356	echo '<li><input type="checkbox" ';
1357	if (in_array($table, $cron_tables)) {
1358	echo 'checked="checked" ';
1359	}
1360	echo "name='xpressme_cron_backup_tables[]' value='{$table}' /> <code>{$table}</code></li>";
1361	}
1362	echo '</ul></div>';
1363	}
1364	echo '<input type="hidden" name="xpressme_cron_backup_options" value="SET" /></form>';
1365	echo '</fieldset>';
1366	endif; // end of wp_cron (legacy) section
1367
1368	echo '</div><!-- .wrap -->';
1369
1370	} // end wp_backup_menu()
1371
1372	function get_sched() {
1373	$options = array_keys( (array) wp_get_schedules() );
1374	$freq = get_option('xpressme_cron_backup_schedule');
1375	$freq = ( in_array( $freq , $options ) ) ? $freq : 'never';
1376	return $freq;
1377	}
1378
1379	function schedule_choices($schedule) { // create the cron menu based on the schedule
1380	$xpressme_cron_backup_schedule = $this->get_sched();
1381	$next_cron = wp_next_scheduled('wp_db_backup_cron');
1382	$xpressme_cron_backup_schedule = ( empty( $next_cron ) ) ? 'never' : $xpressme_cron_backup_schedule;
1383	$sort = array();
1384	foreach ( (array) $schedule as $key => $value ) $sort[$key] = $value['interval'];
1385	asort( $sort );
1386	$schedule_sorted = array();
1387	foreach ( (array) $sort as $key => $value ) $schedule_sorted[$key] = $schedule[$key];
1388	$menu = '<ul>';
1389	$schedule = array_merge( array( 'never' => array( 'interval' => 0, 'display' => __('Never','xpressme-backup') ) ),
1390	(array) $schedule_sorted );
1391	foreach ( $schedule as $name => $settings) {
1392	$interval = (int) $settings['interval'];
1393	if ( 0 == $interval && ! 'never' == $name ) continue;
1394	$display = ( ! '' == $settings['display'] ) ? $settings['display'] : sprintf(__('%s seconds','xpressme-backup'),$interval);
1395	$menu .= "<li><input type='radio' name='xpressme_cron_schedule' style='border:none;' ";
1396	if ($xpressme_cron_backup_schedule == $name) {
1397	$menu .= " checked='checked' ";
1398	}
1399	$menu .= "value='$name' /> $display</li>";
1400	}
1401	$menu .= '</ul>';
1402	return $menu;
1403	} // end schedule_choices()
1404
1405	function wp_cron_daily() { // for legacy cron plugin
1406	$schedule = intval(get_option('xpressme_cron_backup_schedule'));
1407	// If scheduled backup is disabled
1408	if (0 == $schedule)
1409	return;
1410	else return $this->cron_backup();
1411	}
1412
1413	function cron_backup() {
1414	global $table_prefix, $wpdb;
1415	$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
1416	$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
1417	$core_tables = array_intersect($all_tables, $this->core_table_names);
1418	$other_tables = get_option('xpressme_cron_backup_tables');
1419	$recipient = get_option('xpressme_cron_backup_recipient');
1420	$backup_file = $this->db_backup($core_tables, $other_tables);
1421	if (false !== $backup_file)
1422	return $this->deliver_backup($backup_file, 'smtp', $recipient, 'main');
1423	else return false;
1424	}
1425
1426	function add_sched_options($sched) {
1427	$sched['weekly'] = array('interval' => 604800, 'display' => __('Once Weekly','xpressme-backup'));
1428	return $sched;
1429	}
1430
1431	/**
1432	* Checks that WordPress has sufficient security measures
1433	* @param string $kind
1434	* @return bool
1435	*/
1436	function wp_secure($kind = 'warn', $loc = 'main') {
1437	global $wp_version;
1438
1439	if ( function_exists('wp_verify_nonce') ) return true;
1440	else {
1441	$this->error(array('kind' => $kind, 'loc' => $loc, 'msg' => sprintf(__('Your WordPress version, %1s, lacks important security features without which it is unsafe to use the WP-DB-Backup plugin. Hence, this plugin is automatically disabled. Please consider <a href="%2s">upgrading WordPress</a> to a more recent version.','xpressme-backup'),$wp_version,'http://wordpress.org/download/')));
1442	return false;
1443	}
1444
1445	}
1446
1447	/**
1448	* Checks that the user has sufficient permission to backup
1449	* @param string $loc
1450	* @return bool
1451	*/
1452	function can_user_backup($loc = 'main') {
1453	$can = false;
1454	// make sure WPMU users are site admins, not ordinary admins
1455	if ( function_exists('is_site_admin') && ! is_site_admin() )
1456	return false;
1457	if ( ( $this->wp_secure('fatal', $loc) ) && current_user_can('import') )
1458	$can = $this->verify_nonce($_REQUEST['_wpnonce'], $this->referer_check_key, $loc);
1459	if ( false == $can )
1460	$this->error(array('loc' => $loc, 'kind' => 'fatal', 'msg' => __('You are not allowed to perform backups.','xpressme-backup')));
1461	return $can;
1462	}
1463
1464	/**
1465	* Verify that the nonce is legitimate
1466	* @param string $rec the nonce received
1467	* @param string $nonce what the nonce should be
1468	* @param string $loc the location of the check
1469	* @return bool
1470	*/
1471	function verify_nonce($rec = '', $nonce = 'X', $loc = 'main') {
1472	if ( wp_verify_nonce($rec, $nonce) )
1473	return true;
1474	else
1475	$this->error(array('loc' => $loc, 'kind' => 'fatal', 'msg' => sprintf(__('There appears to be an unauthorized attempt from this site to access your database located at %1s. The attempt has been halted.','xpressme-backup'),get_option('home'))));
1476	}
1477
1478	/**
1479	* Check whether a file to be downloaded is
1480	* surreptitiously trying to download a non-backup file
1481	* @param string $file
1482	* @return null
1483	*/
1484	function validate_file($file) {
1485	if ( (false !== strpos($file, '..')) \|\| (false !== strpos($file, './')) \|\| (':' == substr($file, 1, 1)) )
1486	$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __("Cheatin' uh ?",'xpressme-backup')));
1487	}
1488
1489	function extras_filter($query_line){
1490	$extras_option = get_option('xpressme_backup_extras_option');
1491	if ($extras_option['do_euc_to_utf8'] && $this->is_mbstring()){
1492	$query_line = mb_convert_encoding(mb_convert_encoding($query_line,"sjis-win","EUC-JP"),"UTF-8","sjis-win");
1493	$tmp = preg_replace('/DEFAULT\sCHARSET\s=\s*ujis/','DEFAULT CHARSET=utf-8',$query_line);
1494	if (empty($buf)) $query_line = $tmp;
1495	if (preg_match_all('/s:([0-9]+):"(.*?)";/',$query_line,$matchs)){
1496	$i_count = count($matchs[0]);
1497	for($i=0; $i < $i_count ;$i++){
1498	$org = $matchs[0][$i];
1499	$num = $matchs[1][$i];
1500	$str = $matchs[2][$i];
1501	$str = str_replace('\r\n','\n',$str);
1502
1503	$volm = strlen(bin2hex($str)) / 2;
1504
1505	if ($num != $volm){
1506	$org = str_replace('\\','\\\\',$org);
1507	$org = str_replace('/','\\/',$org);
1508	$org = str_replace('(','\\(',$org);
1509	$org = str_replace(')','\\)',$org);
1510	$org = str_replace('?','\\?',$org);
1511	$org = str_replace('+','\\+',$org);
1512	$org = str_replace('','\\',$org);
1513	$org = str_replace('[','\\[',$org);
1514	$org = str_replace(']','\\]',$org);
1515	$org = str_replace('$','\\$',$org);
1516	$org = str_replace('{','\\{',$org);
1517	$org = str_replace('}','\\}',$org);
1518	$org = str_replace('^','\\^',$org);
1519	$org = str_replace('.','\\.',$org);
1520
1521	$src = '/' . $org . '/';
1522	// $dist = '*************************************s:' . $num . '->' . $volm . '"' . $str . '"';
1523	$dist = 's:'. $volm . '"' . $str . '"';
1524	if(preg_match($src,$query_line)){
1525	$query_line = preg_replace($src,$dist,$query_line);
1526	}
1527	}
1528	}
1529	}
1530	}
1531	if ($extras_option['do_rename_prefix']){
1532	if (!empty($extras_option['before_prefix']) && !empty($extras_option['after_prefix'])){
1533	$src = '/' . $extras_option['before_prefix'] . '/';
1534	$dist = $extras_option['after_prefix'];
1535	if(preg_match($src,$query_line)){
1536	$query_line = preg_replace($src,$dist,$query_line);
1537	}
1538	}
1539	}
1540	return $query_line;
1541	}
1542	function is_mbstring(){
1543	return function_exists('mb_convert_encoding');
1544	}
1545
1546
1547	}
1548
1549	function wpdbBackup_init() {
1550	global $mywpdbbackup;
1551	$mywpdbbackup = new wpdbBackup();
1552	}
1553
1554	add_action('plugins_loaded', 'wpdbBackup_init');
1555	?>

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