· 8 years ago · Apr 23, 2018, 09:10 AM
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?><?php
2/*
3Plugin Name: WordPress Database Backup
4Plugin URI: http://www.skippy.net/blog/plugins/
5Description: On-demand backup of your WordPress database.
6Author: Scott Merrill
7Version: 1.7
8Author URI: http://www.skippy.net/
9
10Much of this was modified from Mark Ghosh's One Click Backup, which
11in turn was derived from phpMyAdmin.
12
13Many thanks to Owen (http://asymptomatic.net/wp/) for his patch
14 http://dev.wp-plugins.org/ticket/219
15*/
16
17// CHANGE THIS IF YOU WANT TO USE A
18// DIFFERENT BACKUP LOCATION
19
20$rand = substr( md5( md5( DB_PASSWORD ) ), -5 );
21
22define('WP_BACKUP_DIR', 'wp-content/backup-' . $rand);
23
24define('ROWS_PER_SEGMENT', 100);
25
26class wpdbBackup {
27
28 var $backup_complete = false;
29 var $backup_file = '';
30 var $backup_dir = WP_BACKUP_DIR;
31 var $backup_errors = array();
32 var $basename;
33
34 function gzip() {
35 return function_exists('gzopen');
36 }
37
38 function wpdbBackup() {
39
40 add_action('wp_cron_daily', array(&$this, 'wp_cron_daily'));
41
42 $this->backup_dir = trailingslashit($this->backup_dir);
43 $this->basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
44
45 if (isset($_POST['do_backup'])) {
46 switch($_POST['do_backup']) {
47 case 'backup':
48 $this->perform_backup();
49 break;
50 case 'fragments':
51 add_action('admin_menu', array(&$this, 'fragment_menu'));
52 break;
53 }
54 } elseif (isset($_GET['fragment'] )) {
55 add_action('init', array(&$this, 'init'));
56 } elseif (isset($_GET['backup'] )) {
57 add_action('init', array(&$this, 'init'));
58 } else {
59 add_action('admin_menu', array(&$this, 'admin_menu'));
60 }
61 }
62
63 function init() {
64 global $user_level;
65 get_currentuserinfo();
66
67 if ($user_level < 9) die(__('Need higher user level.'));
68
69 if (isset($_GET['backup'])) {
70 $via = isset($_GET['via']) ? $_GET['via'] : 'http';
71
72 $this->backup_file = $_GET['backup'];
73
74 switch($via) {
75 case 'smtp':
76 case 'email':
77 $this->deliver_backup ($this->backup_file, 'smtp', $_GET['recipient']);
78 echo '
79 <!-- ' . $via . ' -->
80 <script type="text/javascript"><!--\\
81 ';
82 if($this->backup_errors) {
83 foreach($this->backup_errors as $error) {
84 echo "window.parent.addError('$error');\n";
85 }
86 }
87 echo '
88 alert("' . __('Backup Complete!') . '");
89 </script>
90 ';
91 break;
92 default:
93 $this->deliver_backup ($this->backup_file, $via);
94 }
95 die();
96 }
97 if (isset($_GET['fragment'] )) {
98 list($table, $segment, $filename) = explode(':', $_GET['fragment']);
99 $this->backup_fragment($table, $segment, $filename);
100 }
101
102 die();
103 }
104
105 function build_backup_script() {
106 global $table_prefix, $wpdb;
107
108 $datum = date("Ymd_B");
109 $backup_filename = DB_NAME . "_$table_prefix$datum.sql";
110 if ($this->gzip()) $backup_filename .= '.gz';
111
112 echo "<div class='wrap'>";
113 //echo "<pre>" . print_r($_POST, 1) . "</pre>";
114 echo '<h2>' . __('Backup') . '</h2>
115 <fieldset class="options"><legend>' . __('Progress') . '</legend>
116 <p><strong>' .
117 __('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:').
118 '</strong></p>
119 <ol>
120 <li>'.__('Close this browser').'</li>
121 <li>'.__('Reload this page').'</li>
122 <li>'.__('Click the Stop or Back buttons in your browser').'</li>
123 </ol>
124 <p><strong>' . __('Progress:') . '</strong></p>
125 <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>
126 <div id="progress_message"></div>
127 <div id="errors"></div>
128 </fieldset>
129 <iframe id="backuploader" src="about:blank" style="border:0px solid white;height:1em;width:1em;"></iframe>
130 <script type="text/javascript"><!--//
131 function setMeter(pct) {
132 var meter = document.getElementById("meter");
133 meter.style.width = pct + "%";
134 meter.innerHTML = Math.floor(pct) + "%";
135 }
136 function setProgress(str) {
137 var progress = document.getElementById("progress_message");
138 progress.innerHTML = str;
139 }
140 function addError(str) {
141 var errors = document.getElementById("errors");
142 errors.innerHTML = errors.innerHTML + str + "<br />";
143 }
144
145 function backup(table, segment) {
146 var fram = document.getElementById("backuploader");
147 fram.src = "' . $_SERVER['REQUEST_URI'] . '&fragment=" + table + ":" + segment + ":' . $backup_filename . '";
148 }
149
150 var curStep = 0;
151
152 function nextStep() {
153 backupStep(curStep);
154 curStep++;
155 }
156
157 function finishBackup() {
158 var fram = document.getElementById("backuploader");
159 setMeter(100);
160 ';
161
162 $this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
163 $download_uri = get_settings('siteurl') . "/wp-admin/edit.php?page={$this_basename}&backup={$backup_filename}";
164 switch($_POST['deliver']) {
165 case 'http':
166 echo '
167 setProgress("' . sprintf(__("Backup complete, preparing <a href=\\\"%s\\\">backup</a> for download..."), $download_uri) . '");
168 fram.src = "' . $download_uri . '";
169 ';
170 break;
171 case 'smtp':
172 echo '
173 setProgress("' . sprintf(__("Backup complete, sending <a href=\\\"%s\\\">backup</a> via email..."), $download_uri) . '");
174 fram.src = "' . $download_uri . '&via=email&recipient=' . $_POST['backup_recipient'] . '";
175 ';
176 break;
177 default:
178 echo '
179 setProgress("' . sprintf(__("Backup complete, download <a href=\\\"%s\\\">here</a>."), $download_uri) . '");
180 ';
181 }
182
183 echo '
184 }
185
186 function backupStep(step) {
187 switch(step) {
188 case 0: backup("", 0); break;
189 ';
190
191 $also_backup = array();
192 if (isset($_POST['other_tables'])) {
193 $also_backup = $_POST['other_tables'];
194 } else {
195 $also_backup = array();
196 }
197 $core_tables = $_POST['core_tables'];
198 $tables = array_merge($core_tables, $also_backup);
199 $step_count = 1;
200 foreach ($tables as $table) {
201 $rec_count = $wpdb->get_var("SELECT count(*) FROM {$table}");
202 $rec_segments = ceil($rec_count / ROWS_PER_SEGMENT);
203 $table_count = 0;
204 do {
205 echo "case {$step_count}: backup(\"{$table}\", {$table_count}); break;\n";
206 $step_count++;
207 $table_count++;
208 } while($table_count < $rec_segments);
209 echo "case {$step_count}: backup(\"{$table}\", -1); break;\n";
210 $step_count++;
211 }
212 echo "case {$step_count}: finishBackup(); break;";
213
214 echo '
215 }
216 if(step != 0) setMeter(100 * step / ' . $step_count . ');
217 }
218
219 nextStep();
220 //--></script>
221 </div>
222 ';
223 }
224
225 function backup_fragment($table, $segment, $filename) {
226 global $table_prefix, $wpdb;
227
228 echo "$table:$segment:$filename";
229
230 if($table == '') {
231 $msg = __('Creating backup file...');
232 } else {
233 if($segment == -1) {
234 $msg = sprintf(__('Finished backing up table \\"%s\\".'), $table);
235 } else {
236 $msg = sprintf(__('Backing up table \\"%s\\"...'), $table);
237 }
238 }
239
240 echo '<script type="text/javascript"><!--//
241 var msg = "' . $msg . '";
242 window.parent.setProgress(msg);
243 ';
244
245 if (is_writable(ABSPATH . $this->backup_dir)) {
246 $this->fp = $this->open(ABSPATH . $this->backup_dir . $filename, 'a');
247 if(!$this->fp) {
248 $this->backup_error(__('Could not open the backup file for writing!'));
249 $this->fatal_error = __('The backup file could not be saved. Please check the permissions for writing to your backup directory and try again.');
250 }
251 else {
252 if($table == '') {
253 //Begin new backup of MySql
254 $this->stow("# WordPress MySQL database backup\n");
255 $this->stow("#\n");
256 $this->stow("# Generated: " . date("l j. F Y H:i T") . "\n");
257 $this->stow("# Hostname: " . DB_HOST . "\n");
258 $this->stow("# Database: " . $this->backquote(DB_NAME) . "\n");
259 $this->stow("# --------------------------------------------------------\n");
260 } else {
261 if($segment == 0) {
262 // Increase script execution time-limit to 15 min for every table.
263 if ( !ini_get('safe_mode')) @set_time_limit(15*60);
264 //ini_set('memory_limit', '16M');
265 // Create the SQL statements
266 $this->stow("# --------------------------------------------------------\n");
267 $this->stow("# Table: " . $this->backquote($table) . "\n");
268 $this->stow("# --------------------------------------------------------\n");
269 }
270 $this->backup_table($table, $segment);
271 }
272 }
273 } else {
274 $this->backup_error(__('The backup directory is not writeable!'));
275 $this->fatal_error = __('The backup directory is not writeable! Please check the permissions for writing to your backup directory and try again.');
276 }
277
278 if($this->fp) $this->close($this->fp);
279
280 if($this->backup_errors) {
281 foreach($this->backup_errors as $error) {
282 echo "window.parent.addError('$error');\n";
283 }
284 }
285 if($this->fatal_error) {
286 echo '
287 alert("' . addslashes($this->fatal_error) . '");
288 //--></script>
289 ';
290 }
291 else {
292 echo '
293 window.parent.nextStep();
294 //--></script>
295 ';
296 }
297
298 die();
299 }
300
301 function perform_backup() {
302 // are we backing up any other tables?
303 $also_backup = array();
304 if (isset($_POST['other_tables'])) {
305 $also_backup = $_POST['other_tables'];
306 }
307
308 $core_tables = $_POST['core_tables'];
309 $this->backup_file = $this->db_backup($core_tables, $also_backup);
310 if (FALSE !== $backup_file) {
311 if ('smtp' == $_POST['deliver']) {
312 $this->deliver_backup ($this->backup_file, $_POST['deliver'], $_POST['backup_recipient']);
313 } elseif ('http' == $_POST['deliver']) {
314 $this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
315 header('Refresh: 3; ' . get_settings('siteurl') . "/wp-admin/edit.php?page={$this_basename}&backup={$this->backup_file}");
316 }
317 // we do this to say we're done.
318 $this->backup_complete = true;
319 }
320 }
321
322 ///////////////////////////////
323 function admin_menu() {
324 add_management_page(__('Backup'), __('Backup'), 9, basename(__FILE__), array(&$this, 'backup_menu'));
325 }
326
327 function fragment_menu() {
328 add_management_page(__('Backup'), __('Backup'), 9, basename(__FILE__), array(&$this, 'build_backup_script'));
329 }
330
331 /////////////////////////////////////////////////////////
332 function sql_addslashes($a_string = '', $is_like = FALSE)
333 {
334 /*
335 Better addslashes for SQL queries.
336 Taken from phpMyAdmin.
337 */
338 if ($is_like) {
339 $a_string = str_replace('\\', '\\\\\\\\', $a_string);
340 } else {
341 $a_string = str_replace('\\', '\\\\', $a_string);
342 }
343 $a_string = str_replace('\'', '\\\'', $a_string);
344
345 return $a_string;
346 } // function sql_addslashes($a_string = '', $is_like = FALSE)
347
348 ///////////////////////////////////////////////////////////
349 function backquote($a_name)
350 {
351 /*
352 Add backqouotes to tables and db-names in
353 SQL queries. Taken from phpMyAdmin.
354 */
355 if (!empty($a_name) && $a_name != '*') {
356 if (is_array($a_name)) {
357 $result = array();
358 reset($a_name);
359 while(list($key, $val) = each($a_name)) {
360 $result[$key] = '`' . $val . '`';
361 }
362 return $result;
363 } else {
364 return '`' . $a_name . '`';
365 }
366 } else {
367 return $a_name;
368 }
369 } // function backquote($a_name, $do_it = TRUE)
370
371 /////////////
372 function open($filename = '', $mode = 'w') {
373 if ('' == $filename) return false;
374 if ($this->gzip()) {
375 $fp = @gzopen($filename, $mode);
376 } else {
377 $fp = @fopen($filename, $mode);
378 }
379 return $fp;
380 }
381
382 //////////////
383 function close($fp) {
384 if ($this->gzip()) {
385 gzclose($fp);
386 } else {
387 fclose($fp);
388 }
389 }
390
391 //////////////
392 function stow($query_line) {
393 if ($this->gzip()) {
394 if(@gzwrite($this->fp, $query_line) === FALSE) {
395 backup_error(__('There was an error writing a line to the backup script:'));
396 backup_error(' ' . $query_line);
397 }
398 } else {
399 if(@fwrite($this->fp, $query_line) === FALSE) {
400 backup_error(__('There was an error writing a line to the backup script:'));
401 backup_error(' ' . $query_line);
402 }
403 }
404 }
405
406 function backup_error($err) {
407 if(count($this->backup_errors) < 20) {
408 $this->backup_errors[] = $err;
409 } elseif(count($this->backup_errors) == 20) {
410 $this->backup_errors[] = __('Subsequent errors have been omitted from this log.');
411 }
412 }
413
414 /////////////////////////////
415 function backup_table($table, $segment = 'none') {
416 global $wpdb;
417
418 /*
419 Taken partially from phpMyAdmin and partially from
420 Alain Wolf, Zurich - Switzerland
421 Website: http://restkultur.ch/personal/wolf/scripts/db_backup/
422
423 Modified by Scott Merril (http://www.skippy.net/)
424 to use the WordPress $wpdb object
425 */
426
427 $table_structure = $wpdb->get_results("DESCRIBE $table");
428 if (! $table_structure) {
429 backup_errors(__('Error getting table details') . ": $table");
430 return FALSE;
431 }
432
433 if(($segment == 'none') || ($segment == 0)) {
434 //
435 // Add SQL statement to drop existing table
436 $this->stow("\n\n");
437 $this->stow("#\n");
438 $this->stow("# Delete any existing table " . $this->backquote($table) . "\n");
439 $this->stow("#\n");
440 $this->stow("\n");
441 $this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n");
442
443 //
444 //Table structure
445 // Comment in SQL-file
446 $this->stow("\n\n");
447 $this->stow("#\n");
448 $this->stow("# Table structure of table " . $this->backquote($table) . "\n");
449 $this->stow("#\n");
450 $this->stow("\n");
451
452 $create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N);
453 if (FALSE === $create_table) {
454 $this->backup_error(sprintf(__("Error with SHOW CREATE TABLE for %s."), $table));
455 $this->stow("#\n# Error with SHOW CREATE TABLE for $table!\n#\n");
456 }
457 $this->stow($create_table[0][1] . ' ;');
458
459 if (FALSE === $table_structure) {
460 $this->backup_error(sprintf(__("Error getting table structure of %s"), $table));
461 $this->stow("#\n# Error getting table structure of $table!\n#\n");
462 }
463
464 //
465 // Comment in SQL-file
466 $this->stow("\n\n");
467 $this->stow("#\n");
468 $this->stow('# Data contents of table ' . $this->backquote($table) . "\n");
469 $this->stow("#\n");
470 }
471
472 if(($segment == 'none') || ($segment >= 0)) {
473 $ints = array();
474 foreach ($table_structure as $struct) {
475 if ( (0 === strpos($struct->Type, 'tinyint')) ||
476 (0 === strpos(strtolower($struct->Type), 'smallint')) ||
477 (0 === strpos(strtolower($struct->Type), 'mediumint')) ||
478 (0 === strpos(strtolower($struct->Type), 'int')) ||
479 (0 === strpos(strtolower($struct->Type), 'bigint')) ||
480 (0 === strpos(strtolower($struct->Type), 'timestamp')) ) {
481 $ints[strtolower($struct->Field)] = "1";
482 }
483 }
484
485
486 // Batch by $row_inc
487
488 if($segment == 'none') {
489 $row_start = 0;
490 $row_inc = ROWS_PER_SEGMENT;
491 } else {
492 $row_start = $segment * ROWS_PER_SEGMENT;
493 $row_inc = ROWS_PER_SEGMENT;
494 }
495
496 do {
497 if ( !ini_get('safe_mode')) @set_time_limit(15*60);
498 $table_data = $wpdb->get_results("SELECT * FROM $table LIMIT {$row_start}, {$row_inc}", ARRAY_A);
499
500 /*
501 if (FALSE === $table_data) {
502 $wp_backup_error .= "Error getting table contents from $table\r\n";
503 fwrite($fp, "#\n# Error getting table contents fom $table!\n#\n");
504 }
505 */
506
507 $entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES (';
508 // \x08\\x09, not required
509 $search = array("\x00", "\x0a", "\x0d", "\x1a");
510 $replace = array('\0', '\n', '\r', '\Z');
511 if($table_data) {
512 foreach ($table_data as $row) {
513 $values = array();
514 foreach ($row as $key => $value) {
515 if ($ints[strtolower($key)]) {
516 $values[] = $value;
517 } else {
518 $values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'";
519 }
520 }
521 $this->stow(" \n" . $entries . implode(', ', $values) . ') ;');
522 }
523 $row_start += $row_inc;
524 }
525 } while((count($table_data) > 0) and ($segment=='none'));
526 }
527
528
529 if(($segment == 'none') || ($segment < 0)) {
530 // Create footer/closing comment in SQL-file
531 $this->stow("\n");
532 $this->stow("#\n");
533 $this->stow("# End of data contents of table " . $this->backquote($table) . "\n");
534 $this->stow("# --------------------------------------------------------\n");
535 $this->stow("\n");
536 }
537
538 } // end backup_table()
539
540 function return_bytes($val) {
541 $val = trim($val);
542 $last = strtolower($val{strlen($val)-1});
543 switch($last) {
544 // The 'G' modifier is available since PHP 5.1.0
545 case 'g':
546 $val *= 1024;
547 case 'm':
548 $val *= 1024;
549 case 'k':
550 $val *= 1024;
551 }
552
553 return $val;
554 }
555
556 ////////////////////////////
557 function db_backup($core_tables, $other_tables) {
558 global $table_prefix, $wpdb;
559
560 $datum = date("Ymd_B");
561 $wp_backup_filename = DB_NAME . "_$table_prefix$datum.sql";
562 if ($this->gzip()) {
563 $wp_backup_filename .= '.gz';
564 }
565
566 if (is_writable(ABSPATH . $this->backup_dir)) {
567 $this->fp = $this->open(ABSPATH . $this->backup_dir . $wp_backup_filename);
568 if(!$this->fp) {
569 $this->backup_error(__('Could not open the backup file for writing!'));
570 return false;
571 }
572 } else {
573 $this->backup_error(__('The backup directory is not writeable!'));
574 return false;
575 }
576
577 //Begin new backup of MySql
578 $this->stow("# WordPress MySQL database backup\n");
579 $this->stow("#\n");
580 $this->stow("# Generated: " . date("l j. F Y H:i T") . "\n");
581 $this->stow("# Hostname: " . DB_HOST . "\n");
582 $this->stow("# Database: " . $this->backquote(DB_NAME) . "\n");
583 $this->stow("# --------------------------------------------------------\n");
584
585 if ( (is_array($other_tables)) && (count($other_tables) > 0) )
586 $tables = array_merge($core_tables, $other_tables);
587 else
588 $tables = $core_tables;
589
590 foreach ($tables as $table) {
591 // Increase script execution time-limit to 15 min for every table.
592 if ( !ini_get('safe_mode')) @set_time_limit(15*60);
593 // Create the SQL statements
594 $this->stow("# --------------------------------------------------------\n");
595 $this->stow("# Table: " . $this->backquote($table) . "\n");
596 $this->stow("# --------------------------------------------------------\n");
597 $this->backup_table($table);
598 }
599
600 $this->close($this->fp);
601
602 if (count($this->backup_errors)) {
603 return false;
604 } else {
605 return $wp_backup_filename;
606 }
607
608 } //wp_db_backup
609
610 ///////////////////////////
611 function deliver_backup ($filename = '', $delivery = 'http', $recipient = '') {
612 if ('' == $filename) { return FALSE; }
613
614 $diskfile = ABSPATH . $this->backup_dir . $filename;
615 if ('http' == $delivery) {
616 if (! file_exists($diskfile)) {
617 $msg = sprintf(__('File not found:%s'), "<br /><strong>$filename</strong><br />");
618 $this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__);
619 $msg .= '<br /><a href="' . get_settings('siteurl') . "/wp-admin/edit.php?page={$this_basename}" . '">' . __('Return to Backup');
620 die($msg);
621 }
622 header('Content-Description: File Transfer');
623 header('Content-Type: application/octet-stream');
624 header('Content-Length: ' . filesize($diskfile));
625 header("Content-Disposition: attachment; filename=$filename");
626 readfile($diskfile);
627 unlink($diskfile);
628 } elseif ('smtp' == $delivery) {
629 if (! file_exists($diskfile)) return false;
630
631 if (! is_email ($recipient)) {
632 $recipient = get_settings('admin_email');
633 }
634 $randomish = md5(time());
635 $boundary = "==WPBACKUP-BY-SKIPPY-$randomish";
636 $fp = fopen($diskfile,"rb");
637 $file = fread($fp,filesize($diskfile));
638 $this->close($fp);
639 $data = chunk_split(base64_encode($file));
640 $headers = "MIME-Version: 1.0\n";
641 $headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
642 $headers .= 'From: ' . get_settings('admin_email') . "\n";
643
644 $message = sprintf(__("Attached to this email is\n %1s\n Size:%2s kilobytes\n"), $filename, round(filesize($diskfile)/1024));
645 // Add a multipart boundary above the plain message
646 $message = "This is a multi-part message in MIME format.\n\n" .
647 "--{$boundary}\n" .
648 "Content-Type: text/plain; charset=\"utf-8\"\n" .
649 "Content-Transfer-Encoding: 7bit\n\n" .
650 $message . "\n\n";
651
652 // Add file attachment to the message
653 $message .= "--{$boundary}\n" .
654 "Content-Type: application/octet-stream;\n" .
655 " name=\"{$filename}\"\n" .
656 "Content-Disposition: attachment;\n" .
657 " filename=\"{$filename}\"\n" .
658 "Content-Transfer-Encoding: base64\n\n" .
659 $data . "\n\n" .
660 "--{$boundary}--\n";
661
662 if (function_exists('wp_mail')) {
663 wp_mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers);
664 } else {
665 mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers);
666 }
667
668 unlink($diskfile);
669 }
670 return;
671 }
672
673 ////////////////////////////
674 function backup_menu() {
675 global $table_prefix, $wpdb;
676 $feedback = '';
677 $WHOOPS = FALSE;
678
679 // did we just do a backup? If so, let's report the status
680 if ( $this->backup_complete ) {
681 $feedback = '<div class="updated"><p>' . __('Backup Successful') . '!';
682 $file = $this->backup_file;
683 switch($_POST['deliver']) {
684 case 'http':
685 $feedback .= '<br />' . sprintf(__('Your backup file: <a href="%1s">%2s</a> should begin downloading shortly.'), get_settings('siteurl') . "/{$this->backup_dir}{$this->backup_file}", $this->backup_file);
686 break;
687 case 'smtp':
688 if (! is_email($_POST['backup_recipient'])) {
689 $feedback .= get_settings('admin_email');
690 } else {
691 $feedback .= $_POST['backup_recipient'];
692 }
693 $feedback = '<br />' . sprintf(__('Your backup has been emailed to %s'), $feedback);
694 break;
695 case 'none':
696 $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"');
697 $feedback .= ':<br /> <a href="' . get_settings('siteurl') . "/{$this->backup_dir}$file\">$file</a> : " . sprintf(__('%s bytes'), filesize(ABSPATH . $this->backup_dir . $file));
698 }
699 $feedback .= '</p></div>';
700 }
701
702 if (count($this->backup_errors)) {
703 $feedback .= '<div class="updated error">' . __('The following errors were reported:') . "<pre>";
704 foreach($this->backup_errors as $error) {
705 $feedback .= "{$error}\n"; //Errors are already localized
706 }
707 $feedback .= "</pre></div>";
708 }
709
710 // did we just save options for wp-cron?
711 if ( (function_exists('wp_cron_init')) && isset($_POST['wp_cron_backup_options']) ) {
712 update_option('wp_cron_backup_schedule', intval($_POST['cron_schedule']), FALSE);
713 update_option('wp_cron_backup_tables', $_POST['wp_cron_backup_tables']);
714 if (is_email($_POST['cron_backup_recipient'])) {
715 update_option('wp_cron_backup_recipient', $_POST['cron_backup_recipient'], FALSE);
716 }
717 $feedback .= '<div class="updated"><p>' . __('Scheduled Backup Options Saved!') . '</p></div>';
718 }
719
720 // Simple table name storage
721 $wp_table_names = explode(',','categories,comments,linkcategories,links,options,post2cat,postmeta,posts,users,usermeta');
722 // Apply WP DB prefix to table names
723 $wp_table_names = array_map(create_function('$a', 'global $table_prefix;return "{$table_prefix}{$a}";'), $wp_table_names);
724
725 $other_tables = array();
726 $also_backup = array();
727
728 // Get complete db table list
729 $all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
730 $all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
731 // Get list of WP tables that actually exist in this DB (for 1.6 compat!)
732 $wp_backup_default_tables = array_intersect($all_tables, $wp_table_names);
733 // Get list of non-WP tables
734 $other_tables = array_diff($all_tables, $wp_backup_default_tables);
735
736 if ('' != $feedback) {
737 echo $feedback;
738 }
739
740 // Give the new dirs the same perms as wp-content.
741 $stat = stat( ABSPATH . 'wp-content' );
742 $dir_perms = $stat['mode'] & 0000777; // Get the permission bits.
743
744 if ( !file_exists( ABSPATH . $this->backup_dir) ) {
745 if ( @ mkdir( ABSPATH . $this->backup_dir) ) {
746 @ chmod( ABSPATH . $this->backup_dir, $dir_perms);
747 } else {
748 echo '<div class="updated error"><p align="center">' . __('WARNING: Your wp-content directory is <strong>NOT</strong> writable! We can not create the backup directory.') . '<br />' . ABSPATH . $this->backup_dir . "</p></div>";
749 $WHOOPS = TRUE;
750 }
751 }
752
753 if ( !is_writable( ABSPATH . $this->backup_dir) ) {
754 echo '<div class="updated error"><p align="center">' . __('WARNING: Your backup directory is <strong>NOT</strong> writable! We can not create the backup directory.') . '<br />' . ABSPATH . "</p></div>";
755 }
756
757 if ( !file_exists( ABSPATH . $this->backup_dir . 'index.php') ) {
758 @ touch( ABSPATH . $this->backup_dir . "index.php");
759 }
760
761 echo "<div class='wrap'>";
762 echo '<h2>' . __('Backup') . '</h2>';
763 echo '<fieldset class="options"><legend>' . __('Tables') . '</legend>';
764 echo '<form method="post">';
765 echo '<table align="center" cellspacing="5" cellpadding="5"><tr><td width="50%" align="left" class="alternate" valign="top">';
766 echo __('These core WordPress tables will always be backed up:') . '<br /><ul>';
767 foreach ($wp_backup_default_tables as $table) {
768 echo "<li><input type='hidden' name='core_tables[]' value='$table' />$table</li>";
769 }
770 echo '</ul></td><td width="50%" align="left" valign="top">';
771 if (count($other_tables) > 0) {
772 echo __('You may choose to include any of the following tables:') . ' <br />';
773 foreach ($other_tables as $table) {
774 echo "<label style=\"display:block;\"><input type='checkbox' name='other_tables[]' value='{$table}' /> {$table}</label>";
775 }
776 }
777 echo '</tr></table></fieldset>';
778 echo '<fieldset class="options"><legend>' . __('Backup Options') . '</legend>';
779 echo __('What to do with the backup file:') . "<br />";
780 echo '<label style="display:block;"><input type="radio" name="deliver" value="none" /> ' . __('Save to server') . " ({$this->backup_dir})</label>";
781 echo '<label style="display:block;"><input type="radio" checked="checked" name="deliver" value="http" /> ' . __('Download to your computer') . '</label>';
782 echo '<div><input type="radio" name="deliver" id="do_email" value="smtp" /> ';
783 echo '<label for="do_email">'.__('Email backup to:').'</label><input type="text" name="backup_recipient" size="20" value="' . get_settings('admin_email') . '" />';
784
785 // Check DB dize.
786 $table_status = $wpdb->get_results("SHOW TABLE STATUS FROM " . $this->backquote(DB_NAME));
787 $core_size = $db_size = 0;
788 foreach($table_status as $table) {
789 $table_size = $table->Data_length - $table->Data_free;
790 if(in_array($table->Name, $wp_backup_default_tables)) {
791 $core_size += $table_size;
792 }
793 $db_size += $table_size;
794 }
795 $mem_limit = ini_get('memory_limit');
796 $mem_limit = $this->return_bytes($mem_limit);
797 $mem_limit = ($mem_limit == 0) ? 8*1024*1024 : $mem_limit - 2000000;
798
799 if (! $WHOOPS) {
800 echo '<input type="hidden" name="do_backup" id="do_backup" value="backup" /></div>';
801 echo '<p class="submit"><input type="submit" name="submit" onclick="document.getElementById(\'do_backup\').value=\'fragments\';" value="' . __('Backup') . '!" / ></p>';
802 } else {
803 echo '<p class="alternate">' . __('WARNING: Your backup directory is <strong>NOT</strong> writable!') . '</p>';
804 }
805 echo '</fieldset>';
806 echo '</form>';
807
808 // this stuff only displays if wp_cron is installed
809 if (function_exists('wp_cron_init')) {
810 echo '<fieldset class="options"><legend>' . __('Scheduled Backup') . '</legend>';
811 $datetime = get_settings('date_format') . ' @ ' . get_settings('time_format');
812 echo '<p>' . __('Last WP-Cron Daily Execution') . ': ' . date($datetime, get_option('wp_cron_daily_lastrun')) . '<br />';
813 echo __('Next WP-Cron Daily Execution') . ': ' . date($datetime, (get_option('wp_cron_daily_lastrun') + 86400)) . '</p>';
814 echo '<form method="post">';
815 echo '<table width="100%" callpadding="5" cellspacing="5">';
816 echo '<tr><td align="center">';
817 echo __('Schedule: ');
818 $wp_cron_backup_schedule = get_option('wp_cron_backup_schedule');
819 $schedule = array(0 => __('None'), 1 => __('Daily'));
820 foreach ($schedule as $value => $name) {
821 echo ' <input type="radio" name="cron_schedule"';
822 if ($wp_cron_backup_schedule == $value) {
823 echo ' checked="checked" ';
824 }
825 echo 'value="' . $value . '" /> ' . __($name);
826 }
827 echo '</td><td align="center">';
828 $cron_recipient = get_option('wp_cron_backup_recipient');
829 if (! is_email($cron_recipient)) {
830 $cron_recipient = get_settings('admin_email');
831 }
832 echo __('Email backup to:') . ' <input type="text" name="cron_backup_recipient" size="20" value="' . $cron_recipient . '" />';
833 echo '</td></tr>';
834 $cron_tables = get_option('wp_cron_backup_tables');
835 if (! is_array($cron_tables)) {
836 $cron_tables = array();
837 }
838 if (count($other_tables) > 0) {
839 echo '<tr><td colspan="2" align="left">' . __('Tables to include:') . '<br />';
840 foreach ($other_tables as $table) {
841 echo '<input type="checkbox" ';
842 if (in_array($table, $cron_tables)) {
843 echo 'checked=checked ';
844 }
845 echo "name='wp_cron_backup_tables[]' value='{$table}' /> {$table}<br />";
846 }
847 echo '</td></tr>';
848 }
849 echo '<tr><td colspan="2" align="center"><input type="hidden" name="wp_cron_backup_options" value="SET" /><input type="submit" name="submit" value="' . __('Submit') . '" /></td></tr></table></form>';
850 echo '</fieldset>';
851 }
852 // end of wp_cron section
853
854 echo '</div>';
855
856 }// end wp_backup_menu()
857
858 /////////////////////////////
859 function wp_cron_daily() {
860
861 $schedule = intval(get_option('wp_cron_backup_schedule'));
862 if (0 == $schedule) {
863 // Scheduled backup is disabled
864 return;
865 }
866
867 global $table_prefix, $wpdb;
868
869 $wp_table_names = explode(',','categories,comments,linkcategories,links,options,post2cat,postmeta,posts,users,usermeta');
870 $wp_table_names = array_map(create_function('$a', 'global $table_prefix;return "{$table_prefix}{$a}";'), $wp_table_names);
871 $all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
872 $all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
873 $core_tables = array_intersect($all_tables, $wp_table_names);
874 $other_tables = get_option('wp_cron_backup_tables');
875
876 $recipient = get_option('wp_cron_backup_recipient');
877
878 $backup_file = $this->db_backup($core_tables, $other_tables);
879 if (FALSE !== $backup_file) {
880 $this->deliver_backup ($backup_file, 'smtp', $recipient);
881 }
882
883 return;
884 } // wp_cron_db_backup
885}
886
887$mywpdbbackup = new wpdbBackup();
888
889?>