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source: trunk/extras/wp_plugin/xpressme-backup/xpressme-backup.php @ 619

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Last change on this file since 619 was 610, checked in by toemon, 14 years ago
データベースをEUC-JPからUTF-8へ変換するプラグイン追加 Fixes#347
File size: 59.1 KB

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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	$do_change_uri = $_POST['do_change_uri'];
161	$before_uri = $_POST['before_uri'];
162	$after_uri = $_POST['after_uri'];
163
164	update_option('xpressme_backup_extras_option',
165	array('do_euc_to_utf8' => $do_euc_to_utf8,
166	'do_rename_prefix' => $do_rename_prefix,
167	'before_prefix' => $before_prefix,
168	'after_prefix' => $after_prefix,
169	'do_change_uri' => $do_change_uri,
170	'before_uri' => $before_uri,
171	'after_uri' => $after_uri
172	)
173	);
174
175	switch($_POST['do_backup']) {
176	case 'backup':
177	add_action('init', array(&$this, 'perform_backup'));
178	break;
179	case 'fragments':
180	add_action('admin_menu', array(&$this, 'fragment_menu'));
181	break;
182	}
183	} elseif (isset($_GET['fragment'] )) {
184	$this->can_user_backup('frame');
185	add_action('init', array(&$this, 'init'));
186	} elseif (isset($_GET['backup'] )) {
187	$this->can_user_backup();
188	add_action('init', array(&$this, 'init'));
189	} else {
190	add_action('admin_menu', array(&$this, 'admin_menu'));
191	}
192	}
193
194	function init() {
195	$this->can_user_backup();
196	if (isset($_GET['backup'])) {
197	$via = isset($_GET['via']) ? $_GET['via'] : 'http';
198
199	$this->backup_file = $_GET['backup'];
200	$this->validate_file($this->backup_file);
201
202	switch($via) {
203	case 'smtp':
204	case 'email':
205	$success = $this->deliver_backup($this->backup_file, 'smtp', $_GET['recipient'], 'frame');
206	$this->error_display( 'frame' );
207	if ( $success ) {
208	echo '
209	<!-- ' . $via . ' -->
210	<script type="text/javascript"><!--\\
211	';
212	echo '
213	alert("' . __('Backup Complete!','xpressme-backup') . '");
214	window.onbeforeunload = null;
215	</script>
216	';
217	}
218	break;
219	default:
220	$this->deliver_backup($this->backup_file, $via);
221	$this->error_display( 'frame' );
222	}
223	die();
224	}
225	if (isset($_GET['fragment'] )) {
226	list($table, $segment, $filename) = explode(':', $_GET['fragment']);
227	$this->validate_file($filename);
228	$this->backup_fragment($table, $segment, $filename);
229	}
230
231	die();
232	}
233
234	function init_textdomain() {
235	load_plugin_textdomain('xpressme-backup', str_replace(ABSPATH, '', dirname(__FILE__)), dirname(plugin_basename(__FILE__)));
236	}
237
238	/*
239	* Add a link to back up your database when doing a core upgrade
240	*/
241	function update_notice_action() {
242	if ( 'upgrade-core' == $_REQUEST['action'] ) :
243	ob_start(array(&$this, 'update_notice'));
244	add_action('admin_footer', create_function('', 'ob_end_flush();'));
245	endif;
246	}
247	function update_notice($text = '') {
248	$pattern = '#(<a href\="' . __('http://codex.wordpress.org/WordPress_Backups') . '">.*?</p>)#';
249	$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";
250	$text = preg_replace($pattern, $replace, $text);
251	return $text;
252	}
253
254	function build_backup_script() {
255	global $table_prefix, $wpdb;
256
257	echo "<div class='wrap'>";
258	echo '<fieldset class="options"><legend>' . __('Progress','xpressme-backup') . '</legend>
259	<p><strong>' .
260	__('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:','xpressme-backup').
261	'</strong></p>
262	<ol>
263	<li>'.__('Close this browser','xpressme-backup').'</li>
264	<li>'.__('Reload this page','xpressme-backup').'</li>
265	<li>'.__('Click the Stop or Back buttons in your browser','xpressme-backup').'</li>
266	</ol>
267	<p><strong>' . __('Progress:','xpressme-backup') . '</strong></p>
268	<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>
269	<div id="progress_message"></div>
270	<div id="errors"></div>
271	</fieldset>
272	<iframe id="backuploader" src="about:blank" style="visibility:hidden;border:none;height:1em;width:1px;"></iframe>
273	<script type="text/javascript">
274	//<![CDATA[
275	window.onbeforeunload = function() {
276	return "' . __('Navigating away from this page will cause your backup to fail.', 'xpressme-backup') . '";
277	}
278	function setMeter(pct) {
279	var meter = document.getElementById("meter");
280	meter.style.width = pct + "%";
281	meter.innerHTML = Math.floor(pct) + "%";
282	}
283	function setProgress(str) {
284	var progress = document.getElementById("progress_message");
285	progress.innerHTML = str;
286	}
287	function addError(str) {
288	var errors = document.getElementById("errors");
289	errors.innerHTML = errors.innerHTML + str + "<br />";
290	}
291
292	function backup(table, segment) {
293	var fram = document.getElementById("backuploader");
294	fram.src = "' . $this->page_url . '&fragment=" + table + ":" + segment + ":' . $this->backup_filename . ':";
295	}
296
297	var curStep = 0;
298
299	function nextStep() {
300	backupStep(curStep);
301	curStep++;
302	}
303
304	function finishBackup() {
305	var fram = document.getElementById("backuploader");
306	setMeter(100);
307	';
308
309	$download_uri = add_query_arg('backup', $this->backup_filename, $this->page_url);
310	switch($_POST['deliver']) {
311	case 'http':
312	echo '
313	setProgress("' . sprintf(__("Backup complete, preparing <a href=\\\"%s\\\">backup</a> for download...",'xpressme-backup'), $download_uri) . '");
314	window.onbeforeunload = null;
315	fram.src = "' . $download_uri . '";
316	';
317	break;
318	case 'smtp':
319	echo '
320	setProgress("' . sprintf(__("Backup complete, sending <a href=\\\"%s\\\">backup</a> via email...",'xpressme-backup'), $download_uri) . '");
321	window.onbeforeunload = null;
322	fram.src = "' . $download_uri . '&via=email&recipient=' . $_POST['backup_recipient'] . '";
323	';
324	break;
325	default:
326	echo '
327	setProgress("' . sprintf(__("Backup complete, download <a href=\\\"%s\\\">here</a>.",'xpressme-backup'), $download_uri) . '");
328	window.onbeforeunload = null;
329	';
330	}
331
332	echo '
333	}
334
335	function backupStep(step) {
336	switch(step) {
337	case 0: backup("", 0); break;
338	';
339
340	$also_backup = array();
341	if (isset($_POST['other_tables'])) {
342	$also_backup = $_POST['other_tables'];
343	} else {
344	$also_backup = array();
345	}
346	$core_tables = $_POST['core_tables'];
347	$tables = array_merge($core_tables, $also_backup);
348	$step_count = 1;
349	foreach ($tables as $table) {
350	$rec_count = $wpdb->get_var("SELECT count(*) FROM {$table}");
351	$rec_segments = ceil($rec_count / ROWS_PER_SEGMENT);
352	$table_count = 0;
353	if ( $this->module_check() ) {
354	$delay = "setTimeout('";
355	$delay_time = "', " . (int) MOD_EVASIVE_DELAY . ")";
356	}
357	else { $delay = $delay_time = ''; }
358	do {
359	echo "case {$step_count}: {$delay}backup(\"{$table}\", {$table_count}){$delay_time}; break;\n";
360	$step_count++;
361	$table_count++;
362	} while($table_count < $rec_segments);
363	echo "case {$step_count}: {$delay}backup(\"{$table}\", -1){$delay_time}; break;\n";
364	$step_count++;
365	}
366	echo "case {$step_count}: finishBackup(); break;";
367
368	echo '
369	}
370	if(step != 0) setMeter(100 * step / ' . $step_count . ');
371	}
372
373	nextStep();
374	// ]]>
375	</script>
376	</div>
377	';
378	$this->backup_menu();
379	}
380
381	function backup_fragment($table, $segment, $filename) {
382	global $table_prefix, $wpdb;
383
384	echo "$table:$segment:$filename";
385
386	if($table == '') {
387	$msg = __('Creating backup file...','xpressme-backup');
388	} else {
389	if($segment == -1) {
390	$msg = sprintf(__('Finished backing up table \\"%s\\".','xpressme-backup'), $table);
391	} else {
392	$msg = sprintf(__('Backing up table \\"%s\\"...','xpressme-backup'), $table);
393	}
394	}
395
396	if (is_writable($this->backup_dir)) {
397	$this->fp = $this->open($this->backup_dir . $filename, 'a');
398	if(!$this->fp) {
399	$this->error(__('Could not open the backup file for writing!','xpressme-backup'));
400	$this->error(array('loc' => 'frame', 'kind' => 'fatal', 'msg' => __('The backup file could not be saved. Please check the permissions for writing to your backup directory and try again.','xpressme-backup')));
401	}
402	else {
403	if($table == '') {
404	//Begin new backup of MySql
405	$this->stow("# " . __('WordPress MySQL database backup','xpressme-backup') . "\n");
406	$this->stow("#\n");
407	$this->stow("# " . sprintf(__('Generated: %s','xpressme-backup'),date("l j. F Y H:i T")) . "\n");
408	$this->stow("# " . sprintf(__('Hostname: %s','xpressme-backup'),DB_HOST) . "\n");
409	$this->stow("# " . sprintf(__('Database: %s','xpressme-backup'),$this->backquote(DB_NAME)) . "\n");
410	$this->stow("# --------------------------------------------------------\n");
411	} else {
412	if($segment == 0) {
413	// Increase script execution time-limit to 15 min for every table.
414	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
415	// Create the SQL statements
416	$this->stow("# --------------------------------------------------------\n");
417	$this->stow("# " . sprintf(__('Table: %s','xpressme-backup'),$this->backquote($table)) . "\n");
418	$this->stow("# --------------------------------------------------------\n");
419	}
420	$this->backup_table($table, $segment);
421	}
422	}
423	} else {
424	$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __('The backup directory is not writeable! Please check the permissions for writing to your backup directory and try again.','xpressme-backup')));
425	}
426
427	if($this->fp) $this->close($this->fp);
428
429	$this->error_display('frame');
430
431	echo '<script type="text/javascript"><!--//
432	var msg = "' . $msg . '";
433	window.parent.setProgress(msg);
434	window.parent.nextStep();
435	//--></script>
436	';
437	die();
438	}
439
440	function perform_backup() {
441	// are we backing up any other tables?
442	$also_backup = array();
443	if (isset($_POST['other_tables']))
444	$also_backup = $_POST['other_tables'];
445	$core_tables = $_POST['core_tables'];
446	$this->backup_file = $this->db_backup($core_tables, $also_backup);
447	if (false !== $this->backup_file) {
448	if ('smtp' == $_POST['deliver']) {
449	$this->deliver_backup($this->backup_file, $_POST['deliver'], $_POST['backup_recipient'], 'main');
450	wp_redirect($this->page_url);
451	} elseif ('http' == $_POST['deliver']) {
452	$download_uri = add_query_arg('backup',$this->backup_file,$this->page_url);
453	wp_redirect($download_uri);
454	exit;
455	}
456	// we do this to say we're done.
457	$this->backup_complete = true;
458	}
459	}
460
461	function admin_header() {
462	?>
463	<script type="text/javascript">
464	//<![CDATA[
465	if ( 'undefined' != typeof addLoadEvent ) {
466	addLoadEvent(function() {
467	var t = {'extra-tables-list':{name: 'other_tables[]'}, 'include-tables-list':{name: 'xpressme_cron_backup_tables[]'}};
468
469	for ( var k in t ) {
470	t[k].s = null;
471	var d = document.getElementById(k);
472	if ( ! d )
473	continue;
474	var ul = d.getElementsByTagName('ul').item(0);
475	if ( ul ) {
476	var lis = ul.getElementsByTagName('li');
477	if ( 3 > lis.length )
478	return;
479	var text = document.createElement('p');
480	text.className = 'instructions';
481	text.innerHTML = '<?php _e('Click and hold down <code>[SHIFT]</code> to toggle multiple checkboxes', 'xpressme-backup'); ?>';
482	ul.parentNode.insertBefore(text, ul);
483	}
484	t[k].p = d.getElementsByTagName("input");
485	for(var i=0; i < t[k].p.length; i++)
486	if(t[k].name == t[k].p[i].getAttribute('name')) {
487	t[k].p[i].id = k + '-table-' + i;
488	t[k].p[i].onkeyup = t[k].p[i].onclick = function(e) {
489	e = e ? e : event;
490	if ( 16 == e.keyCode )
491	return;
492	var match = /([\w-])-table-(\d)/.exec(this.id);
493	var listname = match[1];
494	var that = match[2];
495	if ( null === t[listname].s )
496	t[listname].s = that;
497	else if ( e.shiftKey ) {
498	var start = Math.min(that, t[listname].s) + 1;
499	var end = Math.max(that, t[listname].s);
500	for( var j=start; j < end; j++)
501	t[listname].p[j].checked = t[listname].p[j].checked ? false : true;
502	t[listname].s = null;
503	}
504	}
505	}
506	}
507
508	<?php if ( function_exists('wp_schedule_event') ) : // needs to be at least WP 2.1 for ajax ?>
509	if ( 'undefined' == typeof XMLHttpRequest )
510	var xml = new ActiveXObject( navigator.userAgent.indexOf('MSIE 5') >= 0 ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP' );
511	else
512	var xml = new XMLHttpRequest();
513
514	var initTimeChange = function() {
515	var timeWrap = document.getElementById('backup-time-wrap');
516	var backupTime = document.getElementById('next-backup-time');
517	if ( !! timeWrap && !! backupTime ) {
518	var span = document.createElement('span');
519	span.className = 'submit';
520	span.id = 'change-wrap';
521	span.innerHTML = '<input type="submit" id="change-backup-time" name="change-backup-time" value="<?php _e('Change','xpressme-backup'); ?>" />';
522	timeWrap.appendChild(span);
523	backupTime.ondblclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
524	span.onclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
525	}
526	}
527
528	var clickTime = function(e, backupTime) {
529	var tText = backupTime.innerHTML;
530	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>';
531	backupTime.ondblclick = null;
532	var mainText = document.getElementById('backup-time-text');
533	mainText.focus();
534	var saveTButton = document.getElementById('save-backup-time');
535	if ( !! saveTButton )
536	saveTButton.onclick = function(e) { saveTime(backupTime, mainText); return false; };
537	if ( !! mainText )
538	mainText.onkeydown = function(e) {
539	e = e \|\| window.event;
540	if ( 13 == e.keyCode ) {
541	saveTime(backupTime, mainText);
542	return false;
543	}
544	}
545	}
546
547	var saveTime = function(backupTime, mainText) {
548	var tVal = mainText.value;
549
550	xml.open('POST', 'admin-ajax.php', true);
551	xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
552	if ( xml.overrideMimeType )
553	xml.setRequestHeader('Connection', 'close');
554	xml.send('action=save_backup_time&_wpnonce=<?php echo wp_create_nonce($this->referer_check_key); ?>&backup-time='+tVal);
555	xml.onreadystatechange = function() {
556	if ( 4 == xml.readyState && '0' != xml.responseText ) {
557	backupTime.innerHTML = xml.responseText;
558	initTimeChange();
559	}
560	}
561	}
562
563	initTimeChange();
564	<?php endif; // wp_schedule_event exists ?>
565	});
566	}
567	//]]>
568	</script>
569	<style type="text/css">
570	.xpressme-backup-updated {
571	margin-top: 1em;
572	}
573
574	fieldset.options {
575	border: 1px solid;
576	margin-top: 1em;
577	padding: 1em;
578	}
579	fieldset.options div.tables-list {
580	float: left;
581	padding: 1em;
582	}
583
584	fieldset.options input {
585	}
586
587	fieldset.options legend {
588	font-size: larger;
589	font-weight: bold;
590	margin-bottom: .5em;
591	padding: 1em;
592	}
593
594	fieldset.options .instructions {
595	font-size: smaller;
596	}
597
598	fieldset.options ul {
599	list-style-type: none;
600	}
601	fieldset.options li {
602	text-align: left;
603	}
604
605	fieldset.options .submit {
606	border-top: none;
607	}
608	</style>
609	<?php
610	}
611
612	function admin_load() {
613	add_action('admin_head', array(&$this, 'admin_header'));
614	}
615
616	function admin_menu() {
617	$_page_hook = add_management_page(__('XPressME Backup','xpressme-backup'), __('XPressME Backup','xpressme-backup'), 'import', $this->basename, array(&$this, 'backup_menu'));
618	add_action('load-' . $_page_hook, array(&$this, 'admin_load'));
619	if ( function_exists('add_contextual_help') ) {
620	$text = $this->help_menu();
621	add_contextual_help($_page_hook, $text);
622	}
623	}
624
625	function fragment_menu() {
626	$page_hook = add_management_page(__('XPressME Backup','xpressme-backup'), __('XPressME Backup','xpressme-backup'), 'import', $this->basename, array(&$this, 'build_backup_script'));
627	add_action('load-' . $page_hook, array(&$this, 'admin_load'));
628	}
629
630	/**
631	* Add WP-DB-Backup-specific help options to the 2.7 =< WP contextual help menu
632	* return string The text of the help menu.
633	*/
634	function help_menu() {
635	$text = '';
636	// $text = "\n<a href=\"http://wordpress.org/extend/plugins/xpressme-backup/faq/\" target=\"_blank\">" . __('FAQ', 'xpressme-backup') . '</a>';
637	// $text .= "\n<br />\n<a href=\"http://www.ilfilosofo.com/forum/forum/2\" target=\"_blank\">" . __('WP-DB-Backup Support Forum', 'xpressme-backup') . '</a>';
638	return $text;
639	}
640
641	function save_backup_time() {
642	if ( $this->can_user_backup() ) {
643	// try to get a time from the input string
644	$time = strtotime(strval($_POST['backup-time']));
645	if ( ! empty( $time ) && time() < $time ) {
646	wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
647	$scheds = (array) wp_get_schedules();
648	$name = get_option('xpressme_cron_backup_schedule');
649	if ( 0 != $time ) {
650	wp_schedule_event($time, $name, 'wp_db_backup_cron');
651	echo gmdate(get_option('date_format') . ' ' . get_option('time_format'), $time + (get_option('gmt_offset') * 3600));
652	exit;
653	}
654	}
655	} else {
656	die(0);
657	}
658	}
659
660	/**
661	* Better addslashes for SQL queries.
662	* Taken from phpMyAdmin.
663	*/
664	function sql_addslashes($a_string = '', $is_like = false) {
665	if ($is_like) $a_string = str_replace('\\', '\\\\\\\\', $a_string);
666	else $a_string = str_replace('\\', '\\\\', $a_string);
667	return str_replace('\'', '\\\'', $a_string);
668	}
669
670	/**
671	* Add backquotes to tables and db-names in
672	* SQL queries. Taken from phpMyAdmin.
673	*/
674	function backquote($a_name) {
675	if (!empty($a_name) && $a_name != '*') {
676	if (is_array($a_name)) {
677	$result = array();
678	reset($a_name);
679	while(list($key, $val) = each($a_name))
680	$result[$key] = '`' . $val . '`';
681	return $result;
682	} else {
683	return '`' . $a_name . '`';
684	}
685	} else {
686	return $a_name;
687	}
688	}
689
690	function open($filename = '', $mode = 'w') {
691	if ('' == $filename) return false;
692	if ($this->gzip())
693	$fp = @gzopen($filename, $mode);
694	else
695	$fp = @fopen($filename, $mode);
696	return $fp;
697	}
698
699	function close($fp) {
700	if ($this->gzip()) gzclose($fp);
701	else fclose($fp);
702	}
703
704	/**
705	* Write to the backup file
706	* @param string $query_line the line to write
707	* @return null
708	*/
709	function stow($query_line) {
710	$query_line = $this->extras_filter($query_line);
711	if ($this->gzip()) {
712	if(! @gzwrite($this->fp, $query_line))
713	$this->error(__('There was an error writing a line to the backup script:','xpressme-backup') . ' ' . $query_line . ' ' . $php_errormsg);
714	} else {
715	if(false === @fwrite($this->fp, $query_line))
716	$this->error(__('There was an error writing a line to the backup script:','xpressme-backup') . ' ' . $query_line . ' ' . $php_errormsg);
717	}
718	}
719
720	/**
721	* Logs any error messages
722	* @param array $args
723	* @return bool
724	*/
725	function error($args = array()) {
726	if ( is_string( $args ) )
727	$args = array('msg' => $args);
728	$args = array_merge( array('loc' => 'main', 'kind' => 'warn', 'msg' => ''), $args);
729	$this->errors[$args['kind']][] = $args['msg'];
730	if ( 'fatal' == $args['kind'] \|\| 'frame' == $args['loc'])
731	$this->error_display($args['loc']);
732	return true;
733	}
734
735	/**
736	* Displays error messages
737	* @param array $errs
738	* @param string $loc
739	* @return string
740	*/
741	function error_display($loc = 'main', $echo = true) {
742	$errs = $this->errors;
743	unset( $this->errors );
744	if ( ! count($errs) ) return;
745	$msg = '';
746	$err_list = array_slice(array_merge( (array) $errs['fatal'], (array) $errs['warn']), 0, 10);
747	if ( 10 == count( $err_list ) )
748	$err_list[9] = __('Subsequent errors have been omitted from this log.','xpressme-backup');
749	$wrap = ( 'frame' == $loc ) ? "<script type=\"text/javascript\">\n var msgList = ''; \n %1\$s \n if ( msgList ) alert(msgList); \n </script>" : '%1$s';
750	$line = ( 'frame' == $loc ) ?
751	"try{ window.parent.addError('%1\$s'); } catch(e) { msgList += ' %1\$s';}\n" :
752	"%1\$s<br />\n";
753	foreach( (array) $err_list as $err )
754	$msg .= sprintf($line,str_replace(array("\n","\r"), '', addslashes($err)));
755	$msg = sprintf($wrap,$msg);
756	if ( count($errs['fatal'] ) ) {
757	if ( function_exists('wp_die') && 'frame' != $loc ) wp_die(stripslashes($msg));
758	else die($msg);
759	}
760	else {
761	if ( $echo ) echo $msg;
762	else return $msg;
763	}
764	}
765
766	/**
767	* Taken partially from phpMyAdmin and partially from
768	* Alain Wolf, Zurich - Switzerland
769	* Website: http://restkultur.ch/personal/wolf/scripts/db_backup/
770
771	* Modified by Scott Merrill (http://www.skippy.net/)
772	* to use the WordPress $wpdb object
773	* @param string $table
774	* @param string $segment
775	* @return void
776	*/
777	function backup_table($table, $segment = 'none') {
778	global $wpdb;
779
780	$table_structure = $wpdb->get_results("DESCRIBE $table");
781	if (! $table_structure) {
782	$this->error(__('Error getting table details','xpressme-backup') . ": $table");
783	return false;
784	}
785
786	if(($segment == 'none') \|\| ($segment == 0)) {
787	// Add SQL statement to drop existing table
788	$this->stow("\n\n");
789	$this->stow("#\n");
790	$this->stow("# " . sprintf(__('Delete any existing table %s','xpressme-backup'),$this->backquote($table)) . "\n");
791	$this->stow("#\n");
792	$this->stow("\n");
793	$this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n");
794
795	// Table structure
796	// Comment in SQL-file
797	$this->stow("\n\n");
798	$this->stow("#\n");
799	$this->stow("# " . sprintf(__('Table structure of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
800	$this->stow("#\n");
801	$this->stow("\n");
802
803	$create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N);
804	if (false === $create_table) {
805	$err_msg = sprintf(__('Error with SHOW CREATE TABLE for %s.','xpressme-backup'), $table);
806	$this->error($err_msg);
807	$this->stow("#\n# $err_msg\n#\n");
808	}
809	$this->stow($create_table[0][1] . ' ;');
810
811	if (false === $table_structure) {
812	$err_msg = sprintf(__('Error getting table structure of %s','xpressme-backup'), $table);
813	$this->error($err_msg);
814	$this->stow("#\n# $err_msg\n#\n");
815	}
816
817	// Comment in SQL-file
818	$this->stow("\n\n");
819	$this->stow("#\n");
820	$this->stow('# ' . sprintf(__('Data contents of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
821	$this->stow("#\n");
822	}
823
824	if(($segment == 'none') \|\| ($segment >= 0)) {
825	$defs = array();
826	$ints = array();
827	foreach ($table_structure as $struct) {
828	if ( (0 === strpos($struct->Type, 'tinyint')) \|\|
829	(0 === strpos(strtolower($struct->Type), 'smallint')) \|\|
830	(0 === strpos(strtolower($struct->Type), 'mediumint')) \|\|
831	(0 === strpos(strtolower($struct->Type), 'int')) \|\|
832	(0 === strpos(strtolower($struct->Type), 'bigint')) ) {
833	$defs[strtolower($struct->Field)] = ( null === $struct->Default ) ? 'NULL' : $struct->Default;
834	$ints[strtolower($struct->Field)] = "1";
835	}
836	}
837
838
839	// Batch by $row_inc
840
841	if($segment == 'none') {
842	$row_start = 0;
843	$row_inc = ROWS_PER_SEGMENT;
844	} else {
845	$row_start = $segment * ROWS_PER_SEGMENT;
846	$row_inc = ROWS_PER_SEGMENT;
847	}
848
849	do {
850	// don't include extra stuff, if so requested
851	$excs = (array) get_option('xpressme_backup_excs');
852
853	$where = '';
854	if ( is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) {
855	$where = ' WHERE comment_approved != "spam"';
856	} elseif ( is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) {
857	$where = ' WHERE post_type != "revision"';
858	}
859
860	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
861	$table_data = $wpdb->get_results("SELECT * FROM $table $where LIMIT {$row_start}, {$row_inc}", ARRAY_A);
862
863	$entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES (';
864	// \x08\\x09, not required
865	$search = array("\x00", "\x0a", "\x0d", "\x1a");
866	$replace = array('\0', '\n', '\r', '\Z');
867	if($table_data) {
868	foreach ($table_data as $row) {
869	$values = array();
870	foreach ($row as $key => $value) {
871	if ($ints[strtolower($key)]) {
872	// make sure there are no blank spots in the insert syntax,
873	// yet try to avoid quotation marks around integers
874	$value = ( null === $value \|\| '' === $value) ? $defs[strtolower($key)] : $value;
875	$values[] = ( '' === $value ) ? "''" : $value;
876	} else {
877	$values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'";
878	}
879	}
880	$this->stow(" \n" . $entries . implode(', ', $values) . ');');
881	}
882	$row_start += $row_inc;
883	}
884	} while((count($table_data) > 0) and ($segment=='none'));
885	}
886
887	if(($segment == 'none') \|\| ($segment < 0)) {
888	// Create footer/closing comment in SQL-file
889	$this->stow("\n");
890	$this->stow("#\n");
891	$this->stow("# " . sprintf(__('End of data contents of table %s','xpressme-backup'),$this->backquote($table)) . "\n");
892	$this->stow("# --------------------------------------------------------\n");
893	$this->stow("\n");
894	}
895	} // end backup_table()
896
897	function db_backup($core_tables, $other_tables) {
898	global $table_prefix, $wpdb;
899
900	if (is_writable($this->backup_dir)) {
901	$this->fp = $this->open($this->backup_dir . $this->backup_filename);
902	if(!$this->fp) {
903	$this->error(__('Could not open the backup file for writing!','xpressme-backup'));
904	return false;
905	}
906	} else {
907	$this->error(__('The backup directory is not writeable!','xpressme-backup'));
908	return false;
909	}
910
911	//Begin new backup of MySql
912	$this->stow("# " . __('WordPress MySQL database backup','xpressme-backup') . "\n");
913	$this->stow("#\n");
914	$this->stow("# " . sprintf(__('Generated: %s','xpressme-backup'),date("l j. F Y H:i T")) . "\n");
915	$this->stow("# " . sprintf(__('Hostname: %s','xpressme-backup'),DB_HOST) . "\n");
916	$this->stow("# " . sprintf(__('Database: %s','xpressme-backup'),$this->backquote(DB_NAME)) . "\n");
917	$this->stow("# --------------------------------------------------------\n");
918
919	if ( (is_array($other_tables)) && (count($other_tables) > 0) )
920	$tables = array_merge($core_tables, $other_tables);
921	else
922	$tables = $core_tables;
923
924	foreach ($tables as $table) {
925	// Increase script execution time-limit to 15 min for every table.
926	if ( !ini_get('safe_mode')) @set_time_limit(15*60);
927	// Create the SQL statements
928	$this->stow("# --------------------------------------------------------\n");
929	$this->stow("# " . sprintf(__('Table: %s','xpressme-backup'),$this->backquote($table)) . "\n");
930	$this->stow("# --------------------------------------------------------\n");
931	$this->backup_table($table);
932	}
933
934	$this->close($this->fp);
935
936	if (count($this->errors)) {
937	return false;
938	} else {
939	return $this->backup_filename;
940	}
941
942	} //wp_db_backup
943
944	/**
945	* Sends the backed-up file via email
946	* @param string $to
947	* @param string $subject
948	* @param string $message
949	* @return bool
950	*/
951	function send_mail( $to, $subject, $message, $diskfile) {
952	global $phpmailer;
953
954	$filename = basename($diskfile);
955
956	extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message' ) ) );
957
958	if ( !is_object( $phpmailer ) \|\| ( strtolower(get_class( $phpmailer )) != 'phpmailer' ) ) {
959	if ( file_exists( ABSPATH . WPINC . '/class-phpmailer.php' ) )
960	require_once ABSPATH . WPINC . '/class-phpmailer.php';
961	if ( file_exists( ABSPATH . WPINC . '/class-smtp.php' ) )
962	require_once ABSPATH . WPINC . '/class-smtp.php';
963	if ( class_exists( 'PHPMailer') )
964	$phpmailer = new PHPMailer();
965	}
966
967	// try to use phpmailer directly (WP 2.2+)
968	if ( is_object( $phpmailer ) && ( strtolower(get_class( $phpmailer )) == 'phpmailer' ) ) {
969
970	// Get the site domain and get rid of www.
971	$sitename = strtolower( $_SERVER['SERVER_NAME'] );
972	if ( substr( $sitename, 0, 4 ) == 'www.' ) {
973	$sitename = substr( $sitename, 4 );
974	}
975	$from_email = 'wordpress@' . $sitename;
976	$from_name = 'WordPress';
977
978	// Empty out the values that may be set
979	$phpmailer->ClearAddresses();
980	$phpmailer->ClearAllRecipients();
981	$phpmailer->ClearAttachments();
982	$phpmailer->ClearBCCs();
983	$phpmailer->ClearCCs();
984	$phpmailer->ClearCustomHeaders();
985	$phpmailer->ClearReplyTos();
986
987	$phpmailer->AddAddress( $to );
988	$phpmailer->AddAttachment($diskfile, $filename);
989	$phpmailer->Body = $message;
990	$phpmailer->CharSet = apply_filters( 'wp_mail_charset', get_bloginfo('charset') );
991	$phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
992	$phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
993	$phpmailer->IsMail();
994	$phpmailer->Subject = $subject;
995
996	do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
997
998	$result = @$phpmailer->Send();
999
1000	// old-style: build the headers directly
1001	} else {
1002	$randomish = md5(time());
1003	$boundary = "==WPBACKUP-$randomish";
1004	$fp = fopen($diskfile,"rb");
1005	$file = fread($fp,filesize($diskfile));
1006	$this->close($fp);
1007
1008	$data = chunk_split(base64_encode($file));
1009
1010	$headers .= "MIME-Version: 1.0\n";
1011	$headers = 'From: wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])) . "\n";
1012	$headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
1013
1014	// Add a multipart boundary above the plain message
1015	$message = "This is a multi-part message in MIME format.\n\n" .
1016	"--{$boundary}\n" .
1017	"Content-Type: text/plain; charset=\"" . get_bloginfo('charset') . "\"\n" .
1018	"Content-Transfer-Encoding: 7bit\n\n" .
1019	$message . "\n\n";
1020
1021	// Add file attachment to the message
1022	$message .= "--{$boundary}\n" .
1023	"Content-Type: application/octet-stream;\n" .
1024	" name=\"{$filename}\"\n" .
1025	"Content-Disposition: attachment;\n" .
1026	" filename=\"{$filename}\"\n" .
1027	"Content-Transfer-Encoding: base64\n\n" .
1028	$data . "\n\n" .
1029	"--{$boundary}--\n";
1030
1031	$result = @wp_mail($to, $subject, $message, $headers);
1032	}
1033	return $result;
1034
1035	}
1036
1037	function deliver_backup($filename = '', $delivery = 'http', $recipient = '', $location = 'main') {
1038	if ('' == $filename) { return false; }
1039
1040	$diskfile = $this->backup_dir . $filename;
1041	if ('http' == $delivery) {
1042	if (! file_exists($diskfile))
1043	$this->error(array('kind' => 'fatal', 'msg' => sprintf(__('File not found:%s','xpressme-backup'), " <strong>$filename</strong><br />") . '<br /><a href="' . $this->page_url . '">' . __('Return to Backup','xpressme-backup') . '</a>'));
1044	header('Content-Description: File Transfer');
1045	header('Content-Type: application/octet-stream');
1046	header('Content-Length: ' . filesize($diskfile));
1047	header("Content-Disposition: attachment; filename=$filename");
1048	$success = readfile($diskfile);
1049	unlink($diskfile);
1050	} elseif ('smtp' == $delivery) {
1051	if (! file_exists($diskfile)) {
1052	$msg = sprintf(__('File %s does not exist!','xpressme-backup'), $diskfile);
1053	$this->error($msg);
1054	return false;
1055	}
1056	if (! is_email($recipient)) {
1057	$recipient = get_option('admin_email');
1058	}
1059	$message = sprintf(__("Attached to this email is\n %1s\n Size:%2s kilobytes\n",'xpressme-backup'), $filename, round(filesize($diskfile)/1024));
1060	$success = $this->send_mail($recipient, get_bloginfo('name') . ' ' . __('Database Backup','xpressme-backup'), $message, $diskfile);
1061
1062	if ( false === $success ) {
1063	$msg = __('The following errors were reported:','xpressme-backup') . "\n ";
1064	if ( function_exists('error_get_last') ) {
1065	$err = error_get_last();
1066	$msg .= $err['message'];
1067	} else {
1068	$msg .= __('ERROR: The mail application has failed to deliver the backup.','xpressme-backup');
1069	}
1070	$this->error(array('kind' => 'fatal', 'loc' => $location, 'msg' => $msg));
1071	} else {
1072	unlink($diskfile);
1073	}
1074	}
1075	return $success;
1076	}
1077
1078	function backup_menu() {
1079	global $table_prefix, $wpdb;
1080	$feedback = '';
1081	$whoops = false;
1082
1083	// did we just do a backup? If so, let's report the status
1084	if ( $this->backup_complete ) {
1085	$feedback = '<div class="updated xpressme-backup-updated"><p>' . __('Backup Successful','xpressme-backup') . '!';
1086	$file = $this->backup_file;
1087	switch($_POST['deliver']) {
1088	case 'http':
1089	$feedback .= '<br />' . sprintf(__('Your backup file: <a href="%1s">%2s</a> should begin downloading shortly.','xpressme-backup'), WP_BACKUP_URL . "{$this->backup_file}", $this->backup_file);
1090	break;
1091	case 'smtp':
1092	if (! is_email($_POST['backup_recipient'])) {
1093	$feedback .= get_option('admin_email');
1094	} else {
1095	$feedback .= $_POST['backup_recipient'];
1096	}
1097	$feedback = '<br />' . sprintf(__('Your backup has been emailed to %s','xpressme-backup'), $feedback);
1098	break;
1099	case 'none':
1100	$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');
1101	$feedback .= ':<br /> <a href="' . WP_BACKUP_URL . "$file\">$file</a> : " . sprintf(__('%s bytes','xpressme-backup'), filesize($this->backup_dir . $file));
1102	}
1103	$feedback .= '</p></div>';
1104	}
1105
1106	// security check
1107	$this->wp_secure();
1108
1109	if (count($this->errors)) {
1110	$feedback .= '<div class="updated xpressme-backup-updated error"><p><strong>' . __('The following errors were reported:','xpressme-backup') . '</strong></p>';
1111	$feedback .= '<p>' . $this->error_display( 'main', false ) . '</p>';
1112	$feedback .= "</p></div>";
1113	}
1114
1115	// did we just save options for wp-cron?
1116	if ( (function_exists('wp_schedule_event') \|\| function_exists('xpressme_cron_init'))
1117	&& isset($_POST['xpressme_cron_backup_options']) ) :
1118	do_action('wp_db_b_update_cron_options');
1119	if ( function_exists('wp_schedule_event') ) {
1120	wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
1121	$scheds = (array) wp_get_schedules();
1122	$name = strval($_POST['xpressme_cron_schedule']);
1123	$interval = ( isset($scheds[$name]['interval']) ) ?
1124	(int) $scheds[$name]['interval'] : 0;
1125	update_option('xpressme_cron_backup_schedule', $name, false);
1126	if ( 0 !== $interval ) {
1127	wp_schedule_event(time() + $interval, $name, 'wp_db_backup_cron');
1128	}
1129	}
1130	else {
1131	update_option('xpressme_cron_backup_schedule', intval($_POST['cron_schedule']), false);
1132	}
1133	update_option('xpressme_cron_backup_tables', $_POST['xpressme_cron_backup_tables']);
1134	if (is_email($_POST['cron_backup_recipient'])) {
1135	update_option('xpressme_cron_backup_recipient', $_POST['cron_backup_recipient'], false);
1136	}
1137	$feedback .= '<div class="updated xpressme-backup-updated"><p>' . __('Scheduled Backup Options Saved!','xpressme-backup') . '</p></div>';
1138	endif;
1139
1140	$other_tables = array();
1141	$also_backup = array();
1142
1143	// Get complete db table list
1144	$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
1145	$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
1146	// Get list of WP tables that actually exist in this DB (for 1.6 compat!)
1147	$wp_backup_default_tables = array_intersect($all_tables, $this->core_table_names);
1148	// Get list of non-WP tables
1149	$other_tables = array_diff($all_tables, $wp_backup_default_tables);
1150
1151	if ('' != $feedback)
1152	echo $feedback;
1153
1154	if ( ! $this->wp_secure() )
1155	return;
1156
1157	// Give the new dirs the same perms as wp-content.
1158	// $stat = stat( ABSPATH . 'wp-content' );
1159	// $dir_perms = $stat['mode'] & 0000777; // Get the permission bits.
1160	$dir_perms = '0777';
1161
1162	// the file doesn't exist and can't create it
1163	if ( ! file_exists($this->backup_dir) && ! @mkdir($this->backup_dir) ) {
1164	?><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>
1165	<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
1166	$whoops = true;
1167	// not writable due to write permissions
1168	} elseif ( !is_writable($this->backup_dir) && ! @chmod($this->backup_dir, $dir_perms) ) {
1169	?><div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable! We cannot create the backup files.','xpressme-backup'); ?></p>
1170	<p><?php printf(__('Using your FTP client, try to set the backup directory’s write permission to %1$s or %2$s: %3$s', 'xpressme-backup'), '<code>777</code>', '<code>a+w</code>', '<code>' . $this->backup_dir . '</code>'); ?>
1171	</p></div><?php
1172	$whoops = true;
1173	} else {
1174	$this->fp = $this->open($this->backup_dir . 'test' );
1175	if( $this->fp ) {
1176	$this->close($this->fp);
1177	@unlink($this->backup_dir . 'test' );
1178	// the directory is not writable probably due to safe mode
1179	} else {
1180	?><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
1181	if( ini_get('safe_mode') ){
1182	?><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
1183	}
1184	?><?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>');
1185	?></div><?php
1186	$whoops = true;
1187	}
1188	}
1189
1190
1191
1192	if ( !file_exists($this->backup_dir . 'index.php') )
1193	@ touch($this->backup_dir . 'index.php');
1194	?><div class='wrap'>
1195	<h2><?php _e('Backup','xpressme-backup') ?></h2>
1196	<form method="post" action="">
1197	<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
1198	<fieldset class="options"><legend><?php _e('Tables','xpressme-backup') ?></legend>
1199	<table align="center" cellspacing="5" cellpadding="5">
1200	<tr><td width="50%" align="left" class="alternate" valign="top">
1201	<div class="tables-list core-tables alternate">
1202	<h4><?php _e('These core WordPress tables will always be backed up:','xpressme-backup') ?></h4><ul><?php
1203	$excs = (array) get_option('xpressme_backup_excs');
1204
1205	foreach ($wp_backup_default_tables as $table) {
1206	if ( $table == $wpdb->comments ) {
1207	$checked = ( isset($excs['spam']) && is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) ? ' checked=\'checked\'' : '';
1208	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-spam[]' value='$table' $checked /> " . __('Exclude spam comments', 'xpressme-backup') . '</span></li>';
1209	} elseif ( function_exists('wp_get_post_revisions') && $table == $wpdb->posts ) {
1210	$checked = ( isset($excs['revisions']) && is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) ? ' checked=\'checked\'' : '';
1211	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-revisions[]' value='$table' $checked /> " . __('Exclude post revisions', 'xpressme-backup') . '</span></li>';
1212	} else {
1213	echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code></li>";
1214	}
1215	}
1216	?></ul>
1217	</div>
1218	</td><td width="50%" align="left" valign="top">
1219	<div class="tables-list extra-tables" id="extra-tables-list">
1220	<?php
1221	if (count($other_tables) > 0) {
1222	$select_all = __('Select all','xpressme-backup');
1223	$select_none = __('Select none','xpressme-backup');
1224	?>
1225	<h4><?php _e('You may choose to include any of the following tables:','xpressme-backup'); ?></h4>
1226	<ul>
1227	<script type="text/javascript">
1228	//<![CDATA[
1229	var wpdbBackup = function() {};
1230	(function(b){
1231	var n = function(c) {
1232	var p = document.getElementsByTagName("input");
1233	for(var i=0;i<p.length;i++)
1234	if('other_tables[]' == p[i].getAttribute('name'))
1235	p[i].checked = c;
1236	}
1237	b.a = function() { n(true) }
1238	b.n = function() { n(false) }
1239
1240	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 $select_none ?></a></p>');
1241	})(wpdbBackup)
1242	//]]>
1243	</script>
1244
1245	<?php
1246	foreach ($other_tables as $table) {
1247	?>
1248	<li><label><input type="checkbox" name="other_tables[]" value="<?php echo $table; ?>" /> <code><?php echo $table; ?></code></label>
1249	<?php
1250	}
1251	?></ul><?php
1252	}
1253	?></div>
1254	</td></tr></table>
1255	</fieldset>
1256
1257	<fieldset class="options">
1258	<legend><?php _e('Backup Options','xpressme-backup'); ?></legend>
1259	<p><?php _e('What to do with the backup file:','xpressme-backup'); ?></p>
1260	<ul>
1261	<li><label for="do_save">
1262	<input type="radio" id="do_save" name="deliver" value="none" style="border:none;" />
1263	<?php _e('Save to server','xpressme-backup');
1264	echo " (<code>" . $this->backup_dir . "</code>)"; ?>
1265	</label></li>
1266	<li><label for="do_download">
1267	<input type="radio" checked="checked" id="do_download" name="deliver" value="http" style="border:none;" />
1268	<?php _e('Download to your computer','xpressme-backup'); ?>
1269	</label></li>
1270	<li><label for="do_email">
1271	<input type="radio" name="deliver" id="do_email" value="smtp" style="border:none;" />
1272	<?php _e('Email backup to:','xpressme-backup'); ?>
1273	<input type="text" name="backup_recipient" size="20" value="<?php echo get_option('admin_email'); ?>" />
1274	</label></li>
1275	</ul>
1276	<p><?php _e('Backup Ditaile Options','xpressme-backup'); ?></p>
1277	<ul>
1278	<?php
1279	if(WPLANG == 'ja_EUC'){
1280	echo '<li><label for="do_euc_to_utf8">';
1281	if($this->is_mbstring()){
1282	echo '<input type="checkbox" name="euc_to_utf8" id="euc_to_utf8" value="1" />';
1283	echo __('Converte EUC-JP to UTF-8','xpressme-backup');
1284	} else {
1285	echo '<input type="checkbox" name="euc_to_utf8" id="euc_to_utf8" value="1" disabled="1"/>';
1286	echo __('Converte EUC-JP to UTF-8','xpressme-backup');
1287	echo ' (<span style="color:#ff0000">' . __('The server used does not support the mb_convert_encoding() function.','xpressme-backup') . '</span>)';
1288	}
1289	echo '</label></li>';
1290	} else {
1291	echo '<input type="hidden" name="euc_to_utf8" id="euc_to_utf8" value="0" />';
1292	}
1293	?>
1294	<li><label for="rename_prefix">
1295	<input type="checkbox" name="do_rename_prefix" id="do_rename_prefix" value="1" />
1296	<?php _e('Rename DB Prefix','xpressme-backup'); ?>
1297	<input type="text" name="before_prefix" size="20" value="<?php echo $table_prefix; ?>" />
1298	<?php _e('to','xpressme-backup'); ?>
1299	<input type="text" name="after_prefix" size="20" value="<?php echo $table_prefix; ?>" />
1300	</label></li>
1301	<li><label for="change_uri">
1302	<input type="checkbox" name="do_change_uri" id="do_change_uri" value="1" />
1303	<?php $site_uri = get_option('siteurl');?>
1304	<?php _e('Change URL','xpressme-backup'); ?>
1305	<div style="padding-left: 20px;">
1306	<input type="text" name="before_uri" size="50" value="<?php echo $site_uri; ?>" /><br />
1307	<?php _e('to','xpressme-backup'); ?><br />
1308	<input type="text" name="after_uri" size="50" value="<?php echo $site_uri; ?>" />
1309	</div>
1310	</label></li>
1311	</ul>
1312	<?php if ( ! $whoops ) : ?>
1313	<input type="hidden" name="do_backup" id="do_backup" value="backup" />
1314	<p class="submit">
1315	<input type="submit" name="submit" onclick="document.getElementById('do_backup').value='fragments';" value="<?php _e('Backup now!','xpressme-backup'); ?>" />
1316	</p>
1317	<?php else : ?>
1318	<div class="updated xpressme-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable!','xpressme-backup'); ?></p></div>
1319	<?php endif; // ! whoops ?>
1320	</fieldset>
1321	<?php do_action('wp_db_b_backup_opts'); ?>
1322	</form>
1323
1324	<?php
1325	// this stuff only displays if some sort of wp-cron is available
1326	$cron = ( function_exists('wp_schedule_event') ) ? true : false; // wp-cron in WP 2.1+
1327	$cron_old = ( function_exists('xpressme_cron_init') && ! $cron ) ? true : false; // wp-cron plugin by Skippy
1328	if ( $cron_old \|\| $cron ) :
1329	echo '<fieldset class="options"><legend>' . __('Scheduled Backup','xpressme-backup') . '</legend>';
1330	$datetime = get_option('date_format') . ' ' . get_option('time_format');
1331	if ( $cron ) :
1332	$next_cron = wp_next_scheduled('wp_db_backup_cron');
1333	if ( ! empty( $next_cron ) ) :
1334	?>
1335	<p id="backup-time-wrap">
1336	<?php printf(__('Next Backup: %s','xpressme-backup'), '<span id="next-backup-time">' . gmdate($datetime, $next_cron + (get_option('gmt_offset') * 3600)) . '</span>'); ?>
1337	</p>
1338	<?php
1339	endif;
1340	elseif ( $cron_old ) :
1341	?><p><?php printf(__('Last WP-Cron Daily Execution: %s','xpressme-backup'), gmdate($datetime, get_option('xpressme_cron_daily_lastrun') + (get_option('gmt_offset') * 3600))); ?><br /><?php
1342	printf(__('Next WP-Cron Daily Execution: %s','xpressme-backup'), gmdate($datetime, (get_option('xpressme_cron_daily_lastrun') + (get_option('gmt_offset') * 3600) + 86400))); ?></p><?php
1343	endif;
1344	?><form method="post" action="">
1345	<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
1346	<div class="tables-list">
1347	<h4><?php _e('Schedule: ','xpressme-backup'); ?></h4>
1348	<?php
1349	if ( $cron_old ) :
1350	$xpressme_cron_backup_schedule = get_option('xpressme_cron_backup_schedule');
1351	$schedule = array(0 => __('None','xpressme-backup'), 1 => __('Daily','xpressme-backup'));
1352	foreach ($schedule as $value => $name) {
1353	echo ' <input type="radio" style="border:none;" name="cron_schedule"';
1354	if ($xpressme_cron_backup_schedule == $value) {
1355	echo ' checked="checked" ';
1356	}
1357	echo 'value="' . $value . '" /> ' . $name;
1358	}
1359	elseif ( $cron ) :
1360	echo apply_filters('wp_db_b_schedule_choices', wp_get_schedules() );
1361	endif;
1362	$cron_recipient = get_option('xpressme_cron_backup_recipient');
1363	if (! is_email($cron_recipient)) {
1364	$cron_recipient = get_option('admin_email');
1365	}
1366	$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>';
1367	echo apply_filters('wp_db_b_cron_recipient_input', $cron_recipient_input);
1368	echo '<p class="submit"><input type="submit" name="submit" value="' . __('Schedule backup','xpressme-backup') . '" /></p>';
1369	echo '</div>';
1370	$cron_tables = get_option('xpressme_cron_backup_tables');
1371	if (! is_array($cron_tables)) {
1372	$cron_tables = array();
1373	}
1374	if (count($other_tables) > 0) {
1375	echo '<div class="tables-list alternate" id="include-tables-list">';
1376	echo '<h4>' . __('Tables to include in the scheduled backup:','xpressme-backup') . '</h4><ul>';
1377	foreach ($other_tables as $table) {
1378	echo '<li><input type="checkbox" ';
1379	if (in_array($table, $cron_tables)) {
1380	echo 'checked="checked" ';
1381	}
1382	echo "name='xpressme_cron_backup_tables[]' value='{$table}' /> <code>{$table}</code></li>";
1383	}
1384	echo '</ul></div>';
1385	}
1386	echo '<input type="hidden" name="xpressme_cron_backup_options" value="SET" /></form>';
1387	echo '</fieldset>';
1388	endif; // end of wp_cron (legacy) section
1389
1390	echo '</div><!-- .wrap -->';
1391
1392	} // end wp_backup_menu()
1393
1394	function get_sched() {
1395	$options = array_keys( (array) wp_get_schedules() );
1396	$freq = get_option('xpressme_cron_backup_schedule');
1397	$freq = ( in_array( $freq , $options ) ) ? $freq : 'never';
1398	return $freq;
1399	}
1400
1401	function schedule_choices($schedule) { // create the cron menu based on the schedule
1402	$xpressme_cron_backup_schedule = $this->get_sched();
1403	$next_cron = wp_next_scheduled('wp_db_backup_cron');
1404	$xpressme_cron_backup_schedule = ( empty( $next_cron ) ) ? 'never' : $xpressme_cron_backup_schedule;
1405	$sort = array();
1406	foreach ( (array) $schedule as $key => $value ) $sort[$key] = $value['interval'];
1407	asort( $sort );
1408	$schedule_sorted = array();
1409	foreach ( (array) $sort as $key => $value ) $schedule_sorted[$key] = $schedule[$key];
1410	$menu = '<ul>';
1411	$schedule = array_merge( array( 'never' => array( 'interval' => 0, 'display' => __('Never','xpressme-backup') ) ),
1412	(array) $schedule_sorted );
1413	foreach ( $schedule as $name => $settings) {
1414	$interval = (int) $settings['interval'];
1415	if ( 0 == $interval && ! 'never' == $name ) continue;
1416	$display = ( ! '' == $settings['display'] ) ? $settings['display'] : sprintf(__('%s seconds','xpressme-backup'),$interval);
1417	$menu .= "<li><input type='radio' name='xpressme_cron_schedule' style='border:none;' ";
1418	if ($xpressme_cron_backup_schedule == $name) {
1419	$menu .= " checked='checked' ";
1420	}
1421	$menu .= "value='$name' /> $display</li>";
1422	}
1423	$menu .= '</ul>';
1424	return $menu;
1425	} // end schedule_choices()
1426
1427	function wp_cron_daily() { // for legacy cron plugin
1428	$schedule = intval(get_option('xpressme_cron_backup_schedule'));
1429	// If scheduled backup is disabled
1430	if (0 == $schedule)
1431	return;
1432	else return $this->cron_backup();
1433	}
1434
1435	function cron_backup() {
1436	global $table_prefix, $wpdb;
1437	$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
1438	$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
1439	$core_tables = array_intersect($all_tables, $this->core_table_names);
1440	$other_tables = get_option('xpressme_cron_backup_tables');
1441	$recipient = get_option('xpressme_cron_backup_recipient');
1442	$backup_file = $this->db_backup($core_tables, $other_tables);
1443	if (false !== $backup_file)
1444	return $this->deliver_backup($backup_file, 'smtp', $recipient, 'main');
1445	else return false;
1446	}
1447
1448	function add_sched_options($sched) {
1449	$sched['weekly'] = array('interval' => 604800, 'display' => __('Once Weekly','xpressme-backup'));
1450	return $sched;
1451	}
1452
1453	/**
1454	* Checks that WordPress has sufficient security measures
1455	* @param string $kind
1456	* @return bool
1457	*/
1458	function wp_secure($kind = 'warn', $loc = 'main') {
1459	global $wp_version;
1460
1461	if ( function_exists('wp_verify_nonce') ) return true;
1462	else {
1463	$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/')));
1464	return false;
1465	}
1466
1467	}
1468
1469	/**
1470	* Checks that the user has sufficient permission to backup
1471	* @param string $loc
1472	* @return bool
1473	*/
1474	function can_user_backup($loc = 'main') {
1475	$can = false;
1476	// make sure WPMU users are site admins, not ordinary admins
1477	if ( function_exists('is_site_admin') && ! is_site_admin() )
1478	return false;
1479	if ( ( $this->wp_secure('fatal', $loc) ) && current_user_can('import') )
1480	$can = $this->verify_nonce($_REQUEST['_wpnonce'], $this->referer_check_key, $loc);
1481	if ( false == $can )
1482	$this->error(array('loc' => $loc, 'kind' => 'fatal', 'msg' => __('You are not allowed to perform backups.','xpressme-backup')));
1483	return $can;
1484	}
1485
1486	/**
1487	* Verify that the nonce is legitimate
1488	* @param string $rec the nonce received
1489	* @param string $nonce what the nonce should be
1490	* @param string $loc the location of the check
1491	* @return bool
1492	*/
1493	function verify_nonce($rec = '', $nonce = 'X', $loc = 'main') {
1494	if ( wp_verify_nonce($rec, $nonce) )
1495	return true;
1496	else
1497	$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'))));
1498	}
1499
1500	/**
1501	* Check whether a file to be downloaded is
1502	* surreptitiously trying to download a non-backup file
1503	* @param string $file
1504	* @return null
1505	*/
1506	function validate_file($file) {
1507	if ( (false !== strpos($file, '..')) \|\| (false !== strpos($file, './')) \|\| (':' == substr($file, 1, 1)) )
1508	$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __("Cheatin' uh ?",'xpressme-backup')));
1509	}
1510
1511	function extras_filter($query_line){
1512	$extras_option = get_option('xpressme_backup_extras_option');
1513	if ($extras_option['do_euc_to_utf8'] && $this->is_mbstring()){
1514	$query_line = mb_convert_encoding(mb_convert_encoding($query_line,"sjis-win","EUC-JP"),"UTF-8","sjis-win");
1515	$tmp = preg_replace('/DEFAULT\sCHARSET\s=\s*ujis/','DEFAULT CHARSET=utf8',$query_line);
1516	if (empty($buf)) $query_line = $tmp;
1517	if (preg_match_all('/s:([0-9]+):"(.*?)";/',$query_line,$matchs)){
1518	$i_count = count($matchs[0]);
1519	for($i=0; $i < $i_count ;$i++){
1520	$org = $matchs[0][$i];
1521	$num = $matchs[1][$i];
1522	$str = $matchs[2][$i];
1523	$str = str_replace('\r\n','\n',$str);
1524
1525	$volm = strlen(bin2hex($str)) / 2;
1526
1527	if ($num != $volm){
1528	$org = str_replace('\\','\\\\',$org);
1529	$org = str_replace('/','\\/',$org);
1530	$org = str_replace('(','\\(',$org);
1531	$org = str_replace(')','\\)',$org);
1532	$org = str_replace('?','\\?',$org);
1533	$org = str_replace('+','\\+',$org);
1534	$org = str_replace('','\\',$org);
1535	$org = str_replace('[','\\[',$org);
1536	$org = str_replace(']','\\]',$org);
1537	$org = str_replace('$','\\$',$org);
1538	$org = str_replace('{','\\{',$org);
1539	$org = str_replace('}','\\}',$org);
1540	$org = str_replace('^','\\^',$org);
1541	$org = str_replace('.','\\.',$org);
1542
1543	$src = '/' . $org . '/';
1544	// $dist = '*************************************s:' . $num . '->' . $volm . '"' . $str . '"';
1545	$dist = 's:'. $volm . '"' . $str . '"';
1546	if(preg_match($src,$query_line)){
1547	$query_line = preg_replace($src,$dist,$query_line);
1548	}
1549	}
1550	}
1551	}
1552	}
1553	if ($extras_option['do_rename_prefix']){
1554	if (!empty($extras_option['before_prefix']) && !empty($extras_option['after_prefix'])){
1555	$src = '/' . $extras_option['before_prefix'] . '/';
1556	$dist = $extras_option['after_prefix'];
1557	if(preg_match($src,$query_line)){
1558	$query_line = preg_replace($src,$dist,$query_line);
1559	}
1560	}
1561	}
1562	if ($extras_option['do_change_uri']){
1563	if (!empty($extras_option['before_uri']) && !empty($extras_option['after_uri'])){
1564	$org = $extras_option['before_uri'];
1565	$org = str_replace('/','\\/',$org);
1566	$src = '/' . $org . '/';
1567	$dist = $extras_option['after_uri'];
1568	if(preg_match($src,$query_line)){
1569	$query_line = preg_replace($src,$dist,$query_line);
1570	}
1571	}
1572	}
1573	return $query_line;
1574	}
1575	function is_mbstring(){
1576	return function_exists('mb_convert_encoding');
1577	}
1578
1579
1580	}
1581
1582	function wpdbBackup_init() {
1583	global $mywpdbbackup;
1584	$mywpdbbackup = new wpdbBackup();
1585	}
1586
1587	add_action('plugins_loaded', 'wpdbBackup_init');
1588	?>

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