/**
* extract()
*
* Extract backup zip file.
*
* @return array True if the extraction was a success OR skipping of extraction is set.
*/
function extract_files() {
if ( true === pb_backupbuddy::$options['skip_files'] ) { // Option to skip all file updating / extracting.
pb_backupbuddy::status( 'message', 'Skipped extracting files based on debugging options.' );
return true;
} else {
pb_backupbuddy::set_greedy_script_limits();
pb_backupbuddy::status( 'message', 'Unzipping into `' . ABSPATH . '`' );
$backup_archive = ABSPATH . pb_backupbuddy::$options['file'];
$destination_directory = ABSPATH;
// Set compatibility mode if defined in advanced options.
$compatibility_mode = false; // Default to no compatibility mode.
if ( pb_backupbuddy::$options['force_compatibility_medium'] != false ) {
$compatibility_mode = 'ziparchive';
} elseif ( pb_backupbuddy::$options['force_compatibility_slow'] != false ) {
$compatibility_mode = 'pclzip';
}
// Zip & Unzip library setup.
require_once( ABSPATH . 'importbuddy/lib/zipbuddy/zipbuddy.php' );
$_zipbuddy = new pluginbuddy_zipbuddy( ABSPATH, '', 'unzip' );
// Extract zip file & verify it worked.
if ( true !== ( $result = $_zipbuddy->unzip( $backup_archive, $destination_directory, $compatibility_mode ) ) ) {
pb_backupbuddy::status( 'error', 'Failed unzipping archive.' );
pb_backupbuddy::alert( 'Failed unzipping archive.', true );
return false;
} else { // Reported success; verify extraction.
$_backupdata_file = ABSPATH . 'wp-content/uploads/temp_' . pb_backupbuddy::$options['zip_id'] . '/backupbuddy_dat.php'; // Full backup dat file location
$_backupdata_file_dbonly = ABSPATH . 'backupbuddy_dat.php'; // DB only dat file location
$_backupdata_file_new = ABSPATH . 'wp-content/uploads/backupbuddy_temp/' . pb_backupbuddy::$options['zip_id'] . '/backupbuddy_dat.php'; // Full backup dat file location
if ( !file_exists( $_backupdata_file ) && !file_exists( $_backupdata_file_dbonly ) && !file_exists( $_backupdata_file_new ) ) {
pb_backupbuddy::status( 'error', 'Error #9004: Key files missing.', 'The unzip process reported success but the backup data file, backupbuddy_dat.php was not found in the extracted files. The unzip process either failed (most likely) or the zip file is not a proper BackupBuddy backup.' );
pb_backupbuddy::alert( 'Error: Key files missing. The unzip process reported success but the backup data file, backupbuddy_dat.php was not found in the extracted files. The unzip process either failed (most likely) or the zip file is not a proper BackupBuddy backup.', true, '9004' );
return false;
}
pb_backupbuddy::status( 'details', 'Success extracting Zip File "' . ABSPATH . pb_backupbuddy::$options['file'] . '" into "' . ABSPATH . '".' );
return true;
}
}
}
$this->status('message', 'Skipping file extraction based on advanced settings.');
$result = true;
} else {
// Set compatibility mode if defined in advanced options.
$compatibility_mode = false;
// Default to no compatibility mode.
if (isset($this->advanced_options['force_compatibility_medium']) && $this->advanced_options['force_compatibility_medium'] == "true") {
$compatibility_mode = 'ziparchive';
} elseif (isset($this->advanced_options['force_compatibility_slow']) && $this->advanced_options['force_compatibility_slow'] == "true") {
$compatibility_mode = 'pclzip';
}
// Zip & Unzip library setup.
require_once $this->_pluginPath . '/lib/zipbuddy/zipbuddy.php';
$_zipbuddy = new pluginbuddy_zipbuddy(ABSPATH, '', 'unzip');
$_zipbuddy->set_status_callback(array(&$this, 'status'));
$result = $_zipbuddy->unzip($backup_archive, $destination_directory, $compatibility_mode);
}
echo '<script type="text/javascript">jQuery("#pb_importbuddy_working").hide();</script>';
flush();
// Extract zip file & verify it worked.
if (true !== $result) {
$this->status('error', 'Failed unzipping archive.');
$this->alert('Failed unzipping archive.');
$failed = true;
} else {
// Reported success; verify extraction.
if (!file_exists($destination_directory . 'wp-config.php')) {
$this->status('error', 'Error #9004: Key files missing.', 'The unzip process reported success but the backup data file, backupbuddy_dat.php was not found in the extracted files. The unzip process either failed (most likely) or the zip file is not a proper BackupBuddy backup.');
$this->alert('Error: Key files missing.', 'The unzip process reported success but the backup data file, backupbuddy_dat.php was not found in the extracted files. The unzip process either failed (most likely) or the zip file is not a proper BackupBuddy backup.', '9004');
return false;
}
function ajax_site_export()
{
$this->_parent->set_greedy_script_limits();
global $wpdb, $current_site, $current_blog;
$blog_id = absint($current_blog->blog_id);
check_ajax_referer('export-site');
$return_args = array('completion' => 0, 'message' => '', 'errors' => false);
require_once $this->_parent->_pluginPath . '/lib/zipbuddy/zipbuddy.php';
$step = absint($_POST['step']);
$zip_id = sanitize_text_field($_POST['zip_id']);
$upload_dir = wp_upload_dir();
$original_upload_base_dir = $upload_dir['basedir'];
$extract_files_to = $original_upload_base_dir . '/' . $zip_id;
switch ($step) {
case 1:
//Step 1 - Download a copy of WordPress
$wp_url = 'http://wordpress.org/latest.zip';
$wp_file = download_url($wp_url);
if (is_wp_error($wp_file)) {
$return_args['errors'] = true;
$return_args['message'] = $wp_file->get_error_message();
$this->log('MS-MS Step 1 - ' . $wp_file->get_error_message(), 'error');
} else {
$return_args['message'] = __('WordPress Successfully Downloaded - Extracting WordPress to a Temporary Directory', 'it-l10n-backupbuddy');
$return_args['completion'] = 5;
$return_args['wp_file'] = $wp_file;
}
break;
case 2:
//Step 2 - Extract WP into a separate directory
$wp_file = file_exists($_POST['wp_file']) ? $_POST['wp_file'] : false;
if (!$wp_file) {
$return_args['errors'] = true;
$return_args['message'] = __('WordPress file could not be located', 'it-l10n-backupbuddy');
$this->log('MS-MS Step 2 - ' . __('WordPress file could not be located', 'it-l10n-backupbuddy'), 'error');
} else {
$return_args['debug'] = $extract_files_to;
$return_args['message'] = __('WordPress extracted - Creating installation file', 'it-l10n-backupbuddy');
$return_args['completion'] = 15;
$zipbuddy = new pluginbuddy_zipbuddy($extract_files_to);
ob_start();
//todo - upload to wp-contennt
//when merging, update extract_files to use new importbuddy version of zip / unzip functionality
$zipbuddy->unzip($wp_file, $extract_files_to);
$return_args['debug'] = ob_get_clean();
unlink($wp_file);
}
break;
case 3:
//Step 3 - Create new WP-Config File
$wp_config_path = $extract_files_to . '/wordpress/';
if (!file_exists($wp_config_path)) {
$return_args['errors'] = true;
$return_args['message'] = __('Temporary WordPress installation not found', 'it-l10n-backupbuddy');
$return_args['debug'] = $wp_config_path;
$this->log('MS-MS Step 3 - ' . __('Temporary WordPress installation file could not be located', 'it-l10n-backupbuddy') . $wp_config_path, 'error');
} else {
$to_file = "<?php\n";
$to_file .= sprintf("define( 'DB_NAME', '%s' );\n", '');
$to_file .= sprintf("define( 'DB_USER', '%s' );\n", '');
$to_file .= sprintf("define( 'DB_PASSWORD', '%s' );\n", '');
$to_file .= sprintf("define( 'DB_HOST', '%s' );\n", '');
$charset = defined('DB_CHARSET') ? DB_CHARSET : '';
$collate = defined('DB_COLLATE') ? DB_COLLATE : '';
$to_file .= sprintf("define( 'DB_CHARSET', '%s' );\n", $charset);
$to_file .= sprintf("define( 'DB_COLLATE', '%s' );\n", $collate);
//Attempt to remotely retrieve salts
$salts = wp_remote_get('https://api.wordpress.org/secret-key/1.1/salt/');
if (!is_wp_error($salts)) {
$to_file .= wp_remote_retrieve_body($salts) . "\n";
}
$to_file .= sprintf("define( 'WPLANG', '%s' );\n", WPLANG);
$to_file .= sprintf('$table_prefix = \'%s\';' . "\n", 'bbms' . $blog_id . '_');
$to_file .= "if ( !defined('ABSPATH') ) { \n\tdefine('ABSPATH', dirname(__FILE__) . '/'); }";
$to_file .= "/** Sets up WordPress vars and included files. */\n\n\t\t\t\t\t\trequire_once(ABSPATH . 'wp-settings.php');";
$to_file .= "\n?>";
$wp_config_path .= 'wp-config.php';
//Create the file, save, and close
$file_handle = fopen($wp_config_path, 'w');
fwrite($file_handle, $to_file);
fclose($file_handle);
//Prepare the response
$return_args['debug'] = $extract_files_to;
$return_args['message'] = __('Installation file created - Copying Over Plugins.', 'it-l10n-backupbuddy');
$return_args['completion'] = 25;
}
break;
case 4:
//Step 4 - Copy over plugins
//Move over plugins
$plugin_items = get_transient($zip_id);
//Populate $items_to_copy for all plugins to copy over
if (is_array($plugin_items)) {
$items_to_copy = array();
//Get content directories by using this plugin as a base
$content_dir = $dropin_plugins_dir = dirname(dirname(dirname(rtrim(plugin_dir_path(__FILE__), '/'))));
$mu_plugins_dir = $content_dir . '/mu-plugins';
$plugins_dir = $content_dir . '/plugins';
//Get the special plugins (mu, dropins, network activated)
foreach ($plugin_items as $type => $plugins) {
foreach ($plugins as $plugin) {
if ($type == 'mu') {
$items_to_copy[$plugin] = $mu_plugins_dir . '/' . $plugin;
} elseif ($type == 'dropin') {
$items_to_copy[$plugin] = $dropin_plugins_dir . '/' . $plugin;
} elseif ($type == 'network' || $type == 'site') {
//Determine if we're a folder-based plugin, or a file-based plugin (such as hello.php)
$plugin_path = dirname($plugins_dir . '/' . $plugin);
if (basename($plugin_path) == 'plugins') {
$plugin_path = $plugins_dir . '/' . $plugin;
}
$items_to_copy[basename($plugin_path)] = $plugin_path;
}
}
//end foreach $plugins
}
//end foreach special plugins
//Copy the files over
$wp_dir = '';
if (count($items_to_copy) > 0) {
$wp_dir = $extract_files_to . '/wordpress/';
$wp_plugin_dir = $wp_dir . '/wp-content/plugins/';
foreach ($items_to_copy as $file => $original_destination) {
if (file_exists($original_destination) && file_exists($wp_plugin_dir)) {
$this->copy($original_destination, $wp_plugin_dir . $file);
}
}
}
//Prepare the response
$return_args['debug'] = $wp_dir;
$return_args['message'] = __('Plugins copied over. Now copying over the active theme.', 'it-l10n-backupbuddy');
$return_args['completion'] = 50;
} else {
//Nothing has technically failed at this point - There just aren't any plugins to copy over
$return_args['message'] = __('Plugins copied over. Now copying over the active theme.', 'it-l10n-backupbuddy');
$return_args['completion'] = 50;
$this->log('MS-MS Step 4 - ' . __('No plugins to copy over', 'it-l10n-backupbuddy'), 'error');
}
break;
case 5:
//Step 5 - Copy over themes
$current_theme = current_theme_info();
$template_dir = $current_theme->template_dir;
$stylesheet_dir = $current_theme->stylesheet_dir;
//If $template_dir and $stylesheet_dir don't match, that means we have a child theme and need to copy over the parent also
$items_to_copy = array();
$items_to_copy[basename($template_dir)] = $template_dir;
if ($template_dir != $stylesheet_dir) {
$items_to_copy[basename($stylesheet_dir)] = $stylesheet_dir;
}
//Copy the files over
if (count($items_to_copy) > 0) {
$wp_dir = $extract_files_to . '/wordpress/';
$wp_theme_dir = $wp_dir . '/wp-content/themes/';
foreach ($items_to_copy as $file => $original_destination) {
if (file_exists($original_destination) && file_exists($wp_theme_dir)) {
$this->copy($original_destination, $wp_theme_dir . $file);
}
}
}
$return_args['debug'] = $wp_dir;
$return_args['message'] = __('Theme has been copied over. Now copying over media files.', 'it-l10n-backupbuddy');
$return_args['completion'] = 60;
break;
case 6:
//Step 6 - Copy over media/upload files
$upload_dir = wp_upload_dir();
$original_upload_base_dir = $upload_dir['basedir'];
$destination_upload_base_dir = $extract_files_to . '/wordpress/wp-content/uploads';
$this->copy($original_upload_base_dir, $destination_upload_base_dir, array('ignore_files' => array($zip_id)));
$return_args['debug'] = $destination_upload_base_dir;
$return_args['message'] = __('Media has been copied over. Now preparing the export.', 'it-l10n-backupbuddy');
$return_args['completion'] = 70;
break;
case 7:
//Step 7 - Create Users Table
//Get users of current site
global $wpdb, $current_blog;
$user_args = array('blog_id' => $current_blog->blog_id);
$users = get_users($user_args);
//Copy over the user and usermeta tables
$found_tables = array($wpdb->users, $wpdb->usermeta);
$user_tablename = $usermeta_tablename = '';
$sql_to_execute = array();
if ($found_tables) {
foreach ($found_tables as $index => $tablename) {
$new_table = '';
if (strstr($tablename, 'users')) {
$new_table = $user_tablename = $wpdb->prefix . 'users';
}
if (strstr($tablename, 'usermeta')) {
$new_table = $usermeta_tablename = $wpdb->prefix . 'usermeta';
}
$sql_to_execute[] = sprintf('CREATE TABLE %1$s LIKE %2$s', $new_table, $tablename);
$sql_to_execute[] = sprintf('INSERT %1$s SELECT * FROM %2$s', $new_table, $tablename);
//Couldn't use $wpdb->prepare here because sql doesn't like quotes around the tablenames
}
}
//Tables have been created, now execute a query to remove the users and user data that doesn't matter
$users_to_capture = array();
if ($users) {
foreach ($users as $user) {
array_push($users_to_capture, $user->ID);
}
}
$users_to_capture = implode(',', $users_to_capture);
$sql_to_execute[] = sprintf("DELETE from %s WHERE ID NOT IN( %s )", $user_tablename, $users_to_capture);
$sql_to_execute[] = sprintf("DELETE from %s WHERE user_id NOT IN( %s )", $usermeta_tablename, $users_to_capture);
//Execute queries
foreach ($sql_to_execute as $sql) {
$wpdb->query($sql);
}
//Return the response
$return_args['message'] = __('Building the export file and cleaning up.', 'it-l10n-backupbuddy');
$return_args['completion'] = 80;
break;
case 8:
//Step 8 - Backup
global $current_site, $wpdb;
require_once $this->_parent->_pluginPath . '/classes/backup.php';
$backup_directory = $extract_files_to . '/wordpress/';
$temp_directory = $backup_directory . '/wp-content/uploads/backupbuddy_temp/';
$prefix = $wpdb->prefix;
$pluginbuddy_backup = new pluginbuddy_backupbuddy_backup($this->_parent);
//Get a list of tables to backup
$query = "SHOW TABLES LIKE '{$prefix}%'";
$results = $wpdb->get_results($query, ARRAY_A);
$tables_to_ignore = array($prefix . 'blogs', $prefix . 'blog_versions', $prefix . 'site', $prefix . 'sitemeta', $prefix . 'registration_log', $prefix . 'signups', $prefix . 'sitecategories');
$list_of_tables = array();
foreach ($results as $results_key => $table_array) {
foreach ($table_array as $key => $tablename) {
if (preg_match("/^{$prefix}(?!\\d+)/", $tablename) && !in_array($tablename, $tables_to_ignore)) {
array_push($list_of_tables, $tablename);
}
}
}
//Do the database dump
$backup_serial = $pluginbuddy_backup->rand_string(10);
$dat_directory = $temp_directory . '/' . $backup_serial . '/';
$backup = array('backup_time' => time(), 'serial' => $backup_serial, 'backup_type' => 'full', 'temp_directory' => $dat_directory, 'backup_mode' => '2');
$options = array('include_tables' => array(), 'temp_directory' => $dat_directory, 'high_security' => '1', 'backup_nonwp_tables' => '0');
//Create the temp directory
$this->_parent->mkdir_recursive($dat_directory);
$pluginbuddy_backup->anti_directory_browsing($temp_directory);
//Create the dat file
$pluginbuddy_backup->backup_create_dat_file($backup, $options, true);
//Create the database dump
$pluginbuddy_backup->backup_create_database_dump($backup, $options, $list_of_tables, true);
//Archive the file
require_once $this->_parent->_pluginPath . '/lib/zipbuddy/zipbuddy.php';
$zipbuddy = new pluginbuddy_zipbuddy($backup_directory);
$archive_directory = $this->_parent->_options['backup_directory'];
$this->_parent->mkdir_recursive($archive_directory);
$pluginbuddy_backup->anti_directory_browsing($archive_directory);
$archive_file = $archive_directory . 'backup-' . $this->_parent->backup_prefix() . '-' . str_replace('-', '_', date('Y-m-d')) . '-' . $backup_serial . '.zip';
$zipbuddy->add_directory_to_zip($archive_file, $backup_directory, true);
//Return the response
$archive_file_url = str_replace(ABSPATH, '', $archive_file);
$archive_file_url = site_url($archive_file_url);
$file_args = sprintf('<a href="%s">%s</a>', $archive_file_url, __('Download Now', 'it-l10n-backupbuddy'));
$return_args['message'] = sprintf(__('You\'re done! The export file is ready for download. %s', 'it-l10n-backupbuddy'), $file_args);
$return_args['completion'] = 100;
//Cleanup
$this->_parent->delete_directory_recursive($extract_files_to);
break;
}
//end switch
die(json_encode($return_args));
}