backup_dir = trailingslashit($this->backup_dir); $this->basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__); if (isset($_POST['do_backup'])) { if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.')); switch($_POST['do_backup']) { case 'backup': $this->perform_backup(); break; case 'fragments': add_action('admin_menu', array(&$this, 'fragment_menu')); break; } } elseif (isset($_GET['fragment'] )) { if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.')); add_action('init', array(&$this, 'init')); } elseif (isset($_GET['backup'] )) { if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.')); add_action('init', array(&$this, 'init')); } else { add_action('admin_menu', array(&$this, 'admin_menu')); } } function init() { if ( !current_user_can('import') ) die(__('You are not allowed to perform backups.')); if (isset($_GET['backup'])) { $via = isset($_GET['via']) ? $_GET['via'] : 'http'; $this->backup_file = $_GET['backup']; $this->validate_file($this->backup_file); switch($via) { case 'smtp': case 'email': $this->deliver_backup ($this->backup_file, 'smtp', $_GET['recipient']); echo ' '; break; default: $this->deliver_backup ($this->backup_file, $via); } die(); } if (isset($_GET['fragment'] )) { list($table, $segment, $filename) = explode(':', $_GET['fragment']); $this->validate_file($filename); $this->backup_fragment($table, $segment, $filename); } die(); } function build_backup_script() { global $table_prefix, $wpdb; $datum = date("Ymd_B"); $backup_filename = DB_NAME . "_$table_prefix$datum.sql"; if ($this->gzip()) $backup_filename .= '.gz'; echo "

"; //echo "

" . print_r($_POST, 1) . "

"; echo '

' . __('Backup') . '

' . __('Progress') . '

' . __('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:'). '

'.__('Close this browser').'
'.__('Reload this page').'
'.__('Click the Stop or Back buttons in your browser').'

' . __('Progress:') . '

'; } function backup_fragment($table, $segment, $filename) { global $table_prefix, $wpdb; echo "$table:$segment:$filename"; if($table == '') { $msg = __('Creating backup file...'); } else { if($segment == -1) { $msg = sprintf(__('Finished backing up table \\"%s\\".'), $table); } else { $msg = sprintf(__('Backing up table \\"%s\\"...'), $table); } } echo ' '; } else { echo ' window.parent.nextStep(); //--> '; } die(); } function perform_backup() { // are we backing up any other tables? $also_backup = array(); if (isset($_POST['other_tables'])) { $also_backup = $_POST['other_tables']; } $core_tables = $_POST['core_tables']; $this->backup_file = $this->db_backup($core_tables, $also_backup); if (FALSE !== $this->backup_file) { if ('smtp' == $_POST['deliver']) { $this->deliver_backup ($this->backup_file, $_POST['deliver'], $_POST['backup_recipient']); } elseif ('http' == $_POST['deliver']) { $this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__); header('Refresh: 3; ' . get_settings('siteurl') . "/wp-admin/edit.php?page={$this_basename}&backup={$this->backup_file}"); } // we do this to say we're done. $this->backup_complete = true; } } /////////////////////////////// function admin_menu() { add_management_page(__('Backup'), __('Backup'), 'import', basename(__FILE__), array(&$this, 'backup_menu')); } function fragment_menu() { add_management_page(__('Backup'), __('Backup'), 'import', basename(__FILE__), array(&$this, 'build_backup_script')); } ///////////////////////////////////////////////////////// function sql_addslashes($a_string = '', $is_like = FALSE) { /* Better addslashes for SQL queries. Taken from phpMyAdmin. */ if ($is_like) { $a_string = str_replace('\\', '\\\\\\\\', $a_string); } else { $a_string = str_replace('\\', '\\\\', $a_string); } $a_string = str_replace('\'', '\\\'', $a_string); return $a_string; } // function sql_addslashes($a_string = '', $is_like = FALSE) /////////////////////////////////////////////////////////// function backquote($a_name) { /* Add backqouotes to tables and db-names in SQL queries. Taken from phpMyAdmin. */ if (!empty($a_name) && $a_name != '*') { if (is_array($a_name)) { $result = array(); reset($a_name); while(list($key, $val) = each($a_name)) { $result[$key] = '`' . $val . '`'; } return $result; } else { return '`' . $a_name . '`'; } } else { return $a_name; } } // function backquote($a_name, $do_it = TRUE) ///////////// function open($filename = '', $mode = 'w') { if ('' == $filename) return false; if ($this->gzip()) { $fp = @gzopen($filename, $mode); } else { $fp = @fopen($filename, $mode); } return $fp; } ////////////// function close($fp) { if ($this->gzip()) { gzclose($fp); } else { fclose($fp); } } ////////////// function stow($query_line) { if ($this->gzip()) { if(@gzwrite($this->fp, $query_line) === FALSE) { backup_error(__('There was an error writing a line to the backup script:')); backup_error(' ' . $query_line); } } else { if(@fwrite($this->fp, $query_line) === FALSE) { backup_error(__('There was an error writing a line to the backup script:')); backup_error(' ' . $query_line); } } } function backup_error($err) { if(count($this->backup_errors) < 20) { $this->backup_errors[] = $err; } elseif(count($this->backup_errors) == 20) { $this->backup_errors[] = __('Subsequent errors have been omitted from this log.'); } } ///////////////////////////// function backup_table($table, $segment = 'none') { global $wpdb; /* Taken partially from phpMyAdmin and partially from Alain Wolf, Zurich - Switzerland Website: http://restkultur.ch/personal/wolf/scripts/db_backup/ Modified by Scott Merril (http://www.skippy.net/) to use the WordPress $wpdb object */ $table_structure = $wpdb->get_results("DESCRIBE $table"); if (! $table_structure) { backup_errors(__('Error getting table details') . ": $table"); return FALSE; } if(($segment == 'none') || ($segment == 0)) { // // Add SQL statement to drop existing table $this->stow("\n\n"); $this->stow("#\n"); $this->stow("# Delete any existing table " . $this->backquote($table) . "\n"); $this->stow("#\n"); $this->stow("\n"); $this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n"); // //Table structure // Comment in SQL-file $this->stow("\n\n"); $this->stow("#\n"); $this->stow("# Table structure of table " . $this->backquote($table) . "\n"); $this->stow("#\n"); $this->stow("\n"); $create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N); if (FALSE === $create_table) { $this->backup_error(sprintf(__("Error with SHOW CREATE TABLE for %s."), $table)); $this->stow("#\n# Error with SHOW CREATE TABLE for $table!\n#\n"); } $this->stow($create_table[0][1] . ' ;'); if (FALSE === $table_structure) { $this->backup_error(sprintf(__("Error getting table structure of %s"), $table)); $this->stow("#\n# Error getting table structure of $table!\n#\n"); } // // Comment in SQL-file $this->stow("\n\n"); $this->stow("#\n"); $this->stow('# Data contents of table ' . $this->backquote($table) . "\n"); $this->stow("#\n"); } if(($segment == 'none') || ($segment >= 0)) { $ints = array(); foreach ($table_structure as $struct) { if ( (0 === strpos($struct->Type, 'tinyint')) || (0 === strpos(strtolower($struct->Type), 'smallint')) || (0 === strpos(strtolower($struct->Type), 'mediumint')) || (0 === strpos(strtolower($struct->Type), 'int')) || (0 === strpos(strtolower($struct->Type), 'bigint')) || (0 === strpos(strtolower($struct->Type), 'timestamp')) ) { $ints[strtolower($struct->Field)] = "1"; } } // Batch by $row_inc if($segment == 'none') { $row_start = 0; $row_inc = ROWS_PER_SEGMENT; } else { $row_start = $segment * ROWS_PER_SEGMENT; $row_inc = ROWS_PER_SEGMENT; } do { if ( !ini_get('safe_mode')) @set_time_limit(15*60); $table_data = $wpdb->get_results("SELECT * FROM $table LIMIT {$row_start}, {$row_inc}", ARRAY_A); /* if (FALSE === $table_data) { $wp_backup_error .= "Error getting table contents from $table\r\n"; fwrite($fp, "#\n# Error getting table contents fom $table!\n#\n"); } */ $entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES ('; // \x08\\x09, not required $search = array("\x00", "\x0a", "\x0d", "\x1a"); $replace = array('\0', '\n', '\r', '\Z'); if($table_data) { foreach ($table_data as $row) { $values = array(); foreach ($row as $key => $value) { if ($ints[strtolower($key)]) { $values[] = $value; } else { $values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'"; } } $this->stow(" \n" . $entries . implode(', ', $values) . ') ;'); } $row_start += $row_inc; } } while((count($table_data) > 0) and ($segment=='none')); } if(($segment == 'none') || ($segment < 0)) { // Create footer/closing comment in SQL-file $this->stow("\n"); $this->stow("#\n"); $this->stow("# End of data contents of table " . $this->backquote($table) . "\n"); $this->stow("# --------------------------------------------------------\n"); $this->stow("\n"); } } // end backup_table() function return_bytes($val) { $val = trim($val); $last = strtolower($val{strlen($val)-1}); switch($last) { // The 'G' modifier is available since PHP 5.1.0 case 'g': $val *= 1024; case 'm': $val *= 1024; case 'k': $val *= 1024; } return $val; } //////////////////////////// function db_backup($core_tables, $other_tables) { global $table_prefix, $wpdb; $datum = date("Ymd_B"); $wp_backup_filename = DB_NAME . "_$table_prefix$datum.sql"; if ($this->gzip()) { $wp_backup_filename .= '.gz'; } if (is_writable(ABSPATH . $this->backup_dir)) { $this->fp = $this->open(ABSPATH . $this->backup_dir . $wp_backup_filename); if(!$this->fp) { $this->backup_error(__('Could not open the backup file for writing!')); return false; } } else { $this->backup_error(__('The backup directory is not writeable!')); return false; } //Begin new backup of MySql $this->stow("# WordPress MySQL database backup\n"); $this->stow("#\n"); $this->stow("# Generated: " . date("l j. F Y H:i T") . "\n"); $this->stow("# Hostname: " . DB_HOST . "\n"); $this->stow("# Database: " . $this->backquote(DB_NAME) . "\n"); $this->stow("# --------------------------------------------------------\n"); if ( (is_array($other_tables)) && (count($other_tables) > 0) ) $tables = array_merge($core_tables, $other_tables); else $tables = $core_tables; foreach ($tables as $table) { // Increase script execution time-limit to 15 min for every table. if ( !ini_get('safe_mode')) @set_time_limit(15*60); // Create the SQL statements $this->stow("# --------------------------------------------------------\n"); $this->stow("# Table: " . $this->backquote($table) . "\n"); $this->stow("# --------------------------------------------------------\n"); $this->backup_table($table); } $this->close($this->fp); if (count($this->backup_errors)) { return false; } else { return $wp_backup_filename; } } //wp_db_backup /////////////////////////// function deliver_backup ($filename = '', $delivery = 'http', $recipient = '') { if ('' == $filename) { return FALSE; } $diskfile = ABSPATH . $this->backup_dir . $filename; if ('http' == $delivery) { if (! file_exists($diskfile)) { $msg = sprintf(__('File not found:%s'), "
$filename
"); $this_basename = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', __FILE__); $msg .= '
' . __('Return to Backup'); die($msg); } header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); header('Content-Length: ' . filesize($diskfile)); header("Content-Disposition: attachment; filename=$filename"); readfile($diskfile); unlink($diskfile); } elseif ('smtp' == $delivery) { if (! file_exists($diskfile)) return false; if (! is_email ($recipient)) { $recipient = get_settings('admin_email'); } $randomish = md5(time()); $boundary = "==WPBACKUP-BY-SKIPPY-$randomish"; $fp = fopen($diskfile,"rb"); $file = fread($fp,filesize($diskfile)); $this->close($fp); $data = chunk_split(base64_encode($file)); $headers = "MIME-Version: 1.0\n"; $headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n"; $headers .= 'From: ' . get_settings('admin_email') . "\n"; $message = sprintf(__("Attached to this email is\n %1s\n Size:%2s kilobytes\n"), $filename, round(filesize($diskfile)/1024)); // Add a multipart boundary above the plain message $message = "This is a multi-part message in MIME format.\n\n" . "--{$boundary}\n" . "Content-Type: text/plain; charset=\"utf-8\"\n" . "Content-Transfer-Encoding: 7bit\n\n" . $message . "\n\n"; // Add file attachment to the message $message .= "--{$boundary}\n" . "Content-Type: application/octet-stream;\n" . " name=\"{$filename}\"\n" . "Content-Disposition: attachment;\n" . " filename=\"{$filename}\"\n" . "Content-Transfer-Encoding: base64\n\n" . $data . "\n\n" . "--{$boundary}--\n"; if (function_exists('wp_mail')) { wp_mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers); } else { mail ($recipient, get_bloginfo('name') . ' ' . __('Database Backup'), $message, $headers); } unlink($diskfile); } return; } //////////////////////////// function backup_menu() { global $table_prefix, $wpdb; $feedback = ''; $WHOOPS = FALSE; // did we just do a backup? If so, let's report the status if ( $this->backup_complete ) { $feedback = '

' . __('Backup Successful') . '!'; $file = $this->backup_file; switch($_POST['deliver']) { case 'http': $feedback .= '
' . sprintf(__('Your backup file: %2s should begin downloading shortly.'), get_settings('siteurl') . "/{$this->backup_dir}{$this->backup_file}", $this->backup_file); break; case 'smtp': if (! is_email($_POST['backup_recipient'])) { $feedback .= get_settings('admin_email'); } else { $feedback .= $_POST['backup_recipient']; } $feedback = '
' . sprintf(__('Your backup has been emailed to %s'), $feedback); break; case 'none': $feedback .= '
' . __('Your backup file has been saved on the server. If you would like to download it now, right click and select "Save As"'); $feedback .= ':
backup_dir}$file\">$file : " . sprintf(__('%s bytes'), filesize(ABSPATH . $this->backup_dir . $file)); } $feedback .= '

'; } if (count($this->backup_errors)) { $feedback .= '

' . __('The following errors were reported:') . "

";
			foreach($this->backup_errors as $error) {
				$feedback .= "{$error}\n";  //Errors are already localized
			}
			$feedback .= "

"; } // did we just save options for wp-cron? if ( (function_exists('wp_cron_init')) && isset($_POST['wp_cron_backup_options']) ) { update_option('wp_cron_backup_schedule', intval($_POST['cron_schedule']), FALSE); update_option('wp_cron_backup_tables', $_POST['wp_cron_backup_tables']); if (is_email($_POST['cron_backup_recipient'])) { update_option('wp_cron_backup_recipient', $_POST['cron_backup_recipient'], FALSE); } $feedback .= '

' . __('Scheduled Backup Options Saved!') . '

'; } // Simple table name storage $wp_table_names = explode(',','categories,comments,linkcategories,links,options,post2cat,postmeta,posts,users,usermeta'); // Apply WP DB prefix to table names $wp_table_names = array_map(create_function('$a', 'global $table_prefix;return "{$table_prefix}{$a}";'), $wp_table_names); $other_tables = array(); $also_backup = array(); // Get complete db table list $all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N); $all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables); // Get list of WP tables that actually exist in this DB (for 1.6 compat!) $wp_backup_default_tables = array_intersect($all_tables, $wp_table_names); // Get list of non-WP tables $other_tables = array_diff($all_tables, $wp_backup_default_tables); if ('' != $feedback) { echo $feedback; } // Give the new dirs the same perms as wp-content. $stat = stat( ABSPATH . 'wp-content' ); $dir_perms = $stat['mode'] & 0000777; // Get the permission bits. if ( !file_exists( ABSPATH . $this->backup_dir) ) { if ( @ mkdir( ABSPATH . $this->backup_dir) ) { @ chmod( ABSPATH . $this->backup_dir, $dir_perms); } else { echo '

' . __('WARNING: Your wp-content directory is NOT writable! We can not create the backup directory.') . '
' . ABSPATH . $this->backup_dir . "

"; $WHOOPS = TRUE; } } if ( !is_writable( ABSPATH . $this->backup_dir) ) { echo '

' . __('WARNING: Your backup directory is NOT writable! We can not create the backup directory.') . '
' . ABSPATH . "

"; } if ( !file_exists( ABSPATH . $this->backup_dir . 'index.php') ) { @ touch( ABSPATH . $this->backup_dir . "index.php"); } echo "

"; echo '

' . __('Backup') . '

'; echo '

' . __('Tables') . ''; echo '

'; echo '

' . __('Backup Options') . ''; echo __('What to do with the backup file:') . "
"; echo ' ' . __('Save to server') . " ({$this->backup_dir})"; echo ' ' . __('Download to your computer') . ''; echo '

'; echo ''.__('Email backup to:').''; // Check DB dize. $table_status = $wpdb->get_results("SHOW TABLE STATUS FROM " . $this->backquote(DB_NAME)); $core_size = $db_size = 0; foreach($table_status as $table) { $table_size = $table->Data_length - $table->Data_free; if(in_array($table->Name, $wp_backup_default_tables)) { $core_size += $table_size; } $db_size += $table_size; } $mem_limit = ini_get('memory_limit'); $mem_limit = $this->return_bytes($mem_limit); $mem_limit = ($mem_limit == 0) ? 8*1024*1024 : $mem_limit - 2000000; if (! $WHOOPS) { echo '

'; echo '

'; } else { echo '

' . __('WARNING: Your backup directory is NOT writable!') . '

'; } echo '

'; echo ''; // this stuff only displays if wp_cron is installed if (function_exists('wp_cron_init')) { echo '

' . __('Scheduled Backup') . ''; $datetime = get_settings('date_format') . ' @ ' . get_settings('time_format'); echo '

' . __('Last WP-Cron Daily Execution') . ': ' . date($datetime, get_option('wp_cron_daily_lastrun')) . '
'; echo __('Next WP-Cron Daily Execution') . ': ' . date($datetime, (get_option('wp_cron_daily_lastrun') + 86400)) . '

'; echo ''; echo '

'; } // end of wp_cron section echo '

'; }// end wp_backup_menu() ///////////////////////////// function wp_cron_daily() { $schedule = intval(get_option('wp_cron_backup_schedule')); if (0 == $schedule) { // Scheduled backup is disabled return; } global $table_prefix, $wpdb; $wp_table_names = explode(',','categories,comments,linkcategories,links,options,post2cat,postmeta,posts,users,usermeta'); $wp_table_names = array_map(create_function('$a', 'global $table_prefix;return "{$table_prefix}{$a}";'), $wp_table_names); $all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N); $all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables); $core_tables = array_intersect($all_tables, $wp_table_names); $other_tables = get_option('wp_cron_backup_tables'); $recipient = get_option('wp_cron_backup_recipient'); $backup_file = $this->db_backup($core_tables, $other_tables); if (FALSE !== $backup_file) { $this->deliver_backup ($backup_file, 'smtp', $recipient); } return; } // wp_cron_db_backup function validate_file($file) { if (false !== strpos($file, '..')) die(__("Cheatin' uh ?")); if (false !== strpos($file, './')) die(__("Cheatin' uh ?")); if (':' == substr($file, 1, 1)) die(__("Cheatin' uh ?")); } } function wpdbBackup_init() { global $mywpdbbackup; if ( !current_user_can('import') ) return; $mywpdbbackup = new wpdbBackup(); } add_action('plugins_loaded', 'wpdbBackup_init'); ?>