977 lines
35 KiB
PHP
977 lines
35 KiB
PHP
<?php
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/**
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* @file
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* Functions to handle the NodeSquirrel backup destination.
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*/
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define('NODESQUIRREL_SECRET_KEY_PATTERN', '/^[0-9a-f]{32}\:?[0-9a-f]{32}$/');
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/**
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* Check that a nodesquirel key is valid.
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*/
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function backup_migrate_nodesquirrel_check_secret_key($secret_key) {
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if ($destination = backup_migrate_nodesquirrel_get_destination($secret_key)) {
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if ($destination->confirm_destination()) {
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return $destination;
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}
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}
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return FALSE;
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}
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/**
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* Get the NS destination for the given key.
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*/
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function backup_migrate_nodesquirrel_get_destination($secret_key) {
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if ($secret_key) {
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backup_migrate_include('destinations');
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$destination = backup_migrate_create_destination('nodesquirrel', array('machine_name' => 'nodesquirrel'));
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$destination->settings['secret_key'] = $secret_key;
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return $destination;
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}
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return NULL;
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}
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/**
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* Get a helper link to activate a site and create a tree.
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*/
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function backup_migrate_nodesquirrel_get_activate_help_text() {
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$activate_link = backup_migrate_nodesquirrel_get_activate_link();
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return array(
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'#type' => 'item',
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'#title' => t('Need a Secret Key?'),
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'#markup' => t('Visit !nodesquirrel.', array('!nodesquirrel' => $activate_link)),
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'#description' => t('Don\'t worry if you don\'t have an account yet. You can create one when you get there.'),
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);
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}
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/**
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* Get a helper link to activate a site and create a tree.
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*/
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function backup_migrate_nodesquirrel_get_activate_link() {
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$activate_link = l('nodesquirrel.com/activate', variable_get('nodesquirrel_activate_url', 'https://manage.nodesquirrel.com/activate'), array('query' => array('url' => url('', array('absolute' => TRUE)), 'email' => variable_get('site_mail', ''), 'configure' => url($_GET['q'], array('absolute' => TRUE)))));
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return $activate_link;
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}
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/**
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* Get a helper link to activate a site and create a tree.
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*/
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function backup_migrate_nodesquirrel_get_manage_link($destination) {
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$url = variable_get('nodesquirrel_manage_url', 'https://manage.nodesquirrel.com') . '/backups/' . $destination->_get_destination();
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return l($url, $url);
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}
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/**
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* Get a helper link to activate a site and create a tree.
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*/
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function backup_migrate_nodesquirrel_get_plan_link() {
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$url = variable_get('nodesquirrel_manage_url', 'https://manage.nodesquirrel.com') . '/plan';
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return l($url, $url);
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}
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/**
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* Get the path to the nodesquirrel settings tab.
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*/
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function backup_migrate_nodesquirrel_settings_path() {
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$path = BACKUP_MIGRATE_MENU_PATH . '/settings/destinations/nodesquirrel/edit';
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return $path;
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}
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/**
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* NodeSquirrel settings page callback.
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*/
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function backup_migrate_nodesquirrel_settings() {
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return drupal_get_form('backup_migrate_nodesquirrel_settings_form');
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}
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/**
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* NodeSquirrel settings form.
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*/
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function backup_migrate_nodesquirrel_credentials_settings_form($key = '', $status) {
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$collapse = !empty($status);
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$form['nodesquirrel_credentials'] = array(
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'#type' => 'fieldset',
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'#title' => t('NodeSquirrel Credentials'),
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'#collapsible' => $collapse,
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'#collapsed' => $collapse,
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);
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$form['nodesquirrel_credentials']['nodesquirrel_secret_key'] = array(
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'#type' => 'textfield',
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'#title' => t('Secret Key'),
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'#size' => 80,
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'#default_value' => $key,
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);
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if (empty($key)) {
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$form['nodesquirrel_credentials']['secret_key_help'] = backup_migrate_nodesquirrel_get_activate_help_text();
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}
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return $form;
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}
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/**
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* Return a form element with some help text describing NodeSquirrel.
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*/
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function backup_migrate_nodesquirrel_info_form() {
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$form = array();
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$form['nodesquirrel_info'] = array(
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'#type' => 'fieldset',
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'#title' => t('What is NodeSquirrel?'),
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);
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$form['nodesquirrel_info']['intro'] = array(
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'#type' => 'markup',
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'#markup' => t('<p>NodeSquirrel is the cloud backup service built by the maintainers of Backup and Migrate.</p></p>NodeSquirrel is now free for all Drupal sites, courtesy of Pantheon.</p><p>Create your free account at !signup</p>', array('!nodesquirrel' => l('nodesquirrel.com', 'http://www.nodesquirrel.com'), '!signup' => backup_migrate_nodesquirrel_get_activate_link())),
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);
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return $form;
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}
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/**
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* Display the NodeSquirrel status on the configuration form.
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*/
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function backup_migrate_nodesquirrel_status_form($key, $destination, $status) {
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$form = array();
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$form['nodesquirrel_status'] = array(
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'#type' => 'fieldset',
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'#title' => t('NodeSquirrel Status'),
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);
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$form['nodesquirrel_status']['status'] = array(
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'#type' => 'item',
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'#title' => t('NodeSquirrel Status'),
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'#markup' => t('Not Configured. Enter your Secret Key below to get started.'),
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);
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// Warn the user if the key they entered is invalid.
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if ($key && empty($status)) {
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$form['nodesquirrel_status']['status']['#markup'] = t('Your secret key does not seem to be valid. Please check that you entered it correctly or visit !ns to generate a new key.', array('!ns' => backup_migrate_nodesquirrel_get_activate_link()));
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}
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else if (!empty($destination) && is_array($status)) {
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if (!empty($status['lifetime_backups_used']) && !empty($status['lifetime_backups']) && $status['lifetime_backups_used'] >= $status['lifetime_backups']) {
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$form['nodesquirrel_status']['status']['#markup'] = t('Your !num backup trial has expired. Visit !link to continue backing up.', array('!num' => $status['lifetime_backups'], '!link' => backup_migrate_nodesquirrel_get_plan_link()));
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}
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else {
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$form['nodesquirrel_status']['status']['#markup'] = t('Ready to Backup');
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if (user_access('perform backup')) {
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$form['nodesquirrel_status']['status']['#markup'] .= ' ' . l('(' . t('backup now') . ')', BACKUP_MIGRATE_MENU_PATH);
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}
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}
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if (!empty($status['plan_name'])) {
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$form['nodesquirrel_status']['plan_name'] = array(
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'#type' => 'item',
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'#title' => t('Current Plan'),
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'#markup' => check_plain($status['plan_name'])
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);
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if (!empty($status['lifetime_backups']) && isset($status['lifetime_backups_used'])) {
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$remains = $status['lifetime_backups'] - $status['lifetime_backups_used'];
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$remains = $remains > 0 ? $remains : t('none');
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$form['nodesquirrel_status']['plan_name']['#markup'] .= ' ' . t('(@remains remaining of @backups backup trial)', array('@backups' => $status['lifetime_backups'], '@remains' => $remains));
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}
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if (!empty($status['lifespan']) && isset($status['age']) && $status['lifespan'] > 0) {
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$remains = ceil(($status['lifespan'] - $status['age']) / 86400);
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if ($remains <= 0) {
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$form['nodesquirrel_status']['plan_name']['#markup'] .= ' ' . t('(Your !span day trial has expired.)', array('!span' => ceil($status['lifespan'] / 86400)));
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}
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else {
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$form['nodesquirrel_status']['plan_name']['#markup'] .= ' ' . format_plural($remains, '(1 day remaining)', '(!span days remaining)', array('!span' => ceil($remains)));
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}
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}
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}
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if (isset($status['backups_used'])) {
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$form['nodesquirrel_status']['backups_used'] = array(
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'#type' => 'item',
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'#title' => t('Number of Stored Backups'),
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'#markup' => $status['backups_used'] == 0 ? t('None') : number_format($status['backups_used'])
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);
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}
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if (isset($status['last_backup'])) {
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$form['nodesquirrel_status']['last_backup'] = array(
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'#type' => 'item',
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'#title' => t('Last Backup'),
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'#markup' => empty($status['last_backup']) ? t('Never') : t('!date (!ago ago)', array('!date' => format_date($status['last_backup'], 'small'), '!ago' => format_interval(time() - $status['last_backup'], 1)))
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);
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}
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if ($status['bytes_per_locker']) {
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if (isset($status['bytes_used'])) {
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$form['nodesquirrel_status']['space'] = array(
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'#type' => 'item',
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'#title' => t('Storage Space'),
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'#markup' => t('!used used of !total (!remaining remaining)', array('!used' => backup_migrate_format_size($status['bytes_used']), '!total' => backup_migrate_format_size($status['bytes_per_locker']), '!remaining' => backup_migrate_format_size(max(0, $status['bytes_per_locker'] - $status['bytes_used']))))
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);
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}
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else {
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$form['nodesquirrel_status']['space'] = array(
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'#type' => 'item',
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'#title' => t('Total Storage Space'),
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'#markup' => t('!total', array('!total' => backup_migrate_format_size($status['bytes_per_locker'])))
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);
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}
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}
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$form['nodesquirrel_status']['manage'] = array(
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'#type' => 'item',
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'#title' => t('Management Console'),
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'#markup' => backup_migrate_nodesquirrel_get_manage_link($destination),
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'#description' => t('You can use the NodeSquirrel management console to add and edit your sites, reset your secret key, download and delete backups, and modify your NodeSquirrel account.'),
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);
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}
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return $form;
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}
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function backup_migrate_nodesquirrel_schedule_settings_form($destination, $status) {
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backup_migrate_include('sources', 'schedules', 'profiles');
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// If the schedule has been overriden it must be edited in the schedule tab.
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$schedule = backup_migrate_crud_get_item('schedule', 'nodesquirrel');
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$default = 60*60*24;
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$form = array();
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$form['nodesquirrel_schedule'] = array(
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'#type' => 'fieldset',
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'#title' => t('Backup Schedule'),
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'#description' => t('Set up a schedule to back up your site to NodeSquirrel. You can customize this schedule or add additional schedules in the !schedule.', array('!schedule' => l(t('Schedules tab'), BACKUP_MIGRATE_MENU_PATH . '/schedule'), '!cron' => l(t('cron'), 'http://drupal.org/cron'))),
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);
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$key = 'nodesquirrel_schedule';
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$form['nodesquirrel_schedule'][$key] = array();
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$defaults = array(
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'period' => empty($schedule) ? variable_get('nodesquirrel_schedule', 60*60*24) : $schedule->get('period'),
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'enabled' => empty($schedule) ? variable_get('nodesquirrel_schedule_enabled', TRUE) : $schedule->get('enabled'),
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'source_id' => empty($schedule) ? variable_get('nodesquirrel_schedule_source_id', 'db') : $schedule->get('source_id'),
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'keep' => empty($schedule) ? variable_get('nodesquirrel_schedule_keep', BACKUP_MIGRATE_SMART_DELETE) : $schedule->get('keep'),
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);
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$form['nodesquirrel_schedule'][$key]['nodesquirrel_schedule_enabled'] = array(
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'#type' => 'checkbox',
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'#title' => t('Automatically backup to NodeSquirrel'),
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'#default_value' => $defaults['enabled'],
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);
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$form['nodesquirrel_schedule'][$key]['settings'] = array(
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'#type' => 'backup_migrate_dependent',
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'#dependencies' => array(
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'nodesquirrel_schedule_enabled' => TRUE,
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),
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);
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$form['nodesquirrel_schedule'][$key]['settings']['nodesquirrel_schedule_source_id'] = _backup_migrate_get_source_pulldown($defaults['source_id']);
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$options = array(
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(60*60) => t('Once an hour'),
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(60*60*24) => t('Once a day'),
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(60*60*24*7) => t('Once a week'),
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);
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$period = $defaults['period'];
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if (!isset($options[$period])) {
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$options[$period] = empty($schedule) ? t('Custom') : $schedule->get('frequency_description');
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}
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$form['nodesquirrel_schedule'][$key]['settings']['nodesquirrel_schedule'] = array(
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'#type' => 'select',
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'#title' => t('Schedule Frequency'),
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'#options' => $options,
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'#default_value' => $period,
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);
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$form['nodesquirrel_schedule'][$key]['settings']['nodesquirrel_schedule_keep'] = array(
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'#type' => 'checkbox',
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'#title' => t('Automatically delete old backups'),
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'#return_value' => $defaults['keep'] == BACKUP_MIGRATE_KEEP_ALL ? BACKUP_MIGRATE_SMART_DELETE : $defaults['keep'],
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'#default_value' => $defaults['keep'],
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);
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return $form;
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}
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/**
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* NodeSquirrel settings form.
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*/
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function backup_migrate_nodesquirrel_settings_form($form_state) {
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_backup_migrate_message_callback('_backup_migrate_message_browser');
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$form = array();
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$key = variable_get('nodesquirrel_secret_key', '');
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$status = array();
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if ($destination = backup_migrate_nodesquirrel_get_destination($key)) {
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$status = $destination->check_limits();
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}
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$form += backup_migrate_nodesquirrel_info_form();
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$form += backup_migrate_nodesquirrel_status_form($key, $destination, $status);
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$form += backup_migrate_nodesquirrel_credentials_settings_form($key, $status);
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$form += backup_migrate_nodesquirrel_schedule_settings_form($destination, $status);
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return system_settings_form($form);
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}
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/**
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* A destination for sending database backups to the NodeSquirel backup service.
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*
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* @ingroup backup_migrate_destinations
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*/
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class backup_migrate_destination_nodesquirrel extends backup_migrate_destination {
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var $supported_ops = array('scheduled backup', 'manual backup', 'remote backup', 'restore', 'list files', 'configure', 'delete');
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var $cache_files = TRUE;
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// Don't generate a metadata file as NodeSquirrel can save metadata natively.
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var $save_metadata = FALSE;
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/**
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* Get the destination name. Provide a default.
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*/
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function get_name() {
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if (empty($this->name)) {
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return t('NodeSquirrel');
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}
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return $this->name;
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}
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/**
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* Get the menu items for manipulating this type.
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*/
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function get_menu_items() {
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$items = array();
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$path = BACKUP_MIGRATE_MENU_PATH . '/nodesquirrel';
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$items[$path] = array(
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'title' => t('NodeSquirrel'),
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'page callback' => 'backup_migrate_menu_callback',
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'page arguments' => array('destinations.nodesquirrel', 'backup_migrate_nodesquirrel_settings'),
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'access arguments' => array('administer backup and migrate'),
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'weight' => 10,
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'type' => MENU_LOCAL_TASK,
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);
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return $items;
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}
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/**
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* Declare any mysql databases defined in the settings.php file as a possible destination.
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*/
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function destinations() {
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$out = array();
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$out['nodesquirrel'] = backup_migrate_create_destination('nodesquirrel', array('machine_name' => 'nodesquirrel'));
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if ($secret_key = variable_get('nodesquirrel_secret_key', '')) {
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$out['nodesquirrel']->settings['secret_key'] = $secret_key;
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}
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else {
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$out['nodesquirrel']->supported_ops = array('manual backup', 'remote backup');
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}
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return $out;
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}
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/**
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* Returns a form to be completed before saving to the destination can be complete.
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*/
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function before_backup_form($settings) {
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$form = array();
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$key = $this->settings('secret_key');
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if (empty($key)) {
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$form += backup_migrate_nodesquirrel_info_form();
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$form += backup_migrate_nodesquirrel_credentials_settings_form();
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}
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return $form;
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}
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/**
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* Validate the before_backup_form form.
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*/
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function before_backup_form_validate($settings, $form, $form_state) {
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if (isset($form_state['values']['nodesquirrel_secret_key'])) {
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$key = trim($form_state['values']['nodesquirrel_secret_key']);
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if ($error = $this->vaidate_key($key)) {
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form_set_error('secret_key', $error);
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}
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}
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}
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/**
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* Submit the before_backup_form form.
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*/
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function before_backup_form_submit($settings, $form, $form_state) {
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if (isset($form_state['values']['nodesquirrel_secret_key'])) {
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$this->settings['secret_key'] = $form_state['values']['nodesquirrel_secret_key'];
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variable_set('nodesquirrel_secret_key', $this->settings['secret_key']);
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}
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}
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/**
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* Save to the NodeSquirrel destination.
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*/
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function save_file($file, $settings) {
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if ($destination = $this->_get_destination()) {
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srand((double)microtime()*1000000);
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$filename = $file->filename();
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$filesize = filesize($file->filepath());
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$ticket = $this->_xmlrpc('backups.getUploadTicket', array($destination, $filename, $filesize, $file->file_info));
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if ($ticket) {
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$url = $ticket['url'];
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// If the ticket requires authentication add our username/password to the url.
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if (!empty($ticket['auth']) && $ticket['auth'] = 'basic') {
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$parts = parse_url($ticket['url']);
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list($parts['user'], $parts['pass']) = $this->get_user_pass();
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$url = $this->glue_url($parts, FALSE);
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}
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$out = $this->_post_file($url, 'POST', $ticket['params'], $file);
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if ($out->code == 200) {
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// Confirm the upload.
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$confirm = $this->_xmlrpc('backups.confirmUpload', array($destination, $filename, $filesize));
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if ($confirm['success']) {
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// Set a message with a link to the manage console.
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_backup_migrate_message('Your backup has been saved to your NodeSquirrel account. View it at !account', array('!account' => backup_migrate_nodesquirrel_get_manage_link($this)));
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return $file;
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}
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else {
|
|
_backup_migrate_message('The backup file never made it to the NodeSquirrel backup server. There may have been a network problem. Please try again later');
|
|
}
|
|
}
|
|
else {
|
|
$error = !empty($out->headers['x-bams-error']) ? $out->headers['x-bams-error'] : $out->error;
|
|
_backup_migrate_message('The NodeSquirrel server returned the following error: %err', array('%err' => $error), 'error');
|
|
}
|
|
}
|
|
else if ($err = xmlrpc_error()) {
|
|
// XMLRPC errors are already handled by the server function below.
|
|
}
|
|
else {
|
|
_backup_migrate_message('The NodeSquirrel server refused the backup but did not specify why. Maybe the server is down.');
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Load from the NodeSquirrel destination.
|
|
*/
|
|
function load_file($file_id) {
|
|
if ($destination = $this->_get_destination()) {
|
|
backup_migrate_include('files');
|
|
$file = new backup_file(array('filename' => $file_id));
|
|
|
|
$ticket = $this->_xmlrpc('backups.getDownloadTicket', array($destination, $file_id));
|
|
|
|
if ($ticket && $url = $ticket['url']) {
|
|
// If the ticket requires authentication add our username/password to the url.
|
|
if (!empty($ticket['auth']) && $ticket['auth'] = 'basic') {
|
|
$parts = parse_url($ticket['url']);
|
|
$parts['user'] = @$this->dest_url['user'];
|
|
$parts['pass'] = @$this->dest_url['pass'];
|
|
$url = $this->glue_url($parts, FALSE);
|
|
}
|
|
|
|
$out = drupal_http_request($url);
|
|
|
|
if ($out->code == 200) {
|
|
file_put_contents($file->filepath(), $out->data);
|
|
return $file;
|
|
}
|
|
else {
|
|
$error = !empty($out->headers['x-bams-error']) ? $out->headers['x-bams-error'] : $out->error;
|
|
_backup_migrate_message('The server returned the following error: %err', array('%err' => $error), 'error');
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Delete from the NodeSquirrel destination.
|
|
*/
|
|
function delete_file($file_id) {
|
|
if ($destination = $this->_get_destination()) {
|
|
$result = $this->_xmlrpc('backups.deleteFile', array($destination, $file_id));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* List the files in the remote destination.
|
|
*/
|
|
function _list_files() {
|
|
$files = array();
|
|
backup_migrate_include('files');
|
|
|
|
if ($destination = $this->_get_destination()) {
|
|
$file_list = $this->_xmlrpc('backups.listFiles', array($destination));
|
|
foreach ((array)$file_list as $file) {
|
|
$files[$file['filename']] = new backup_file($file);
|
|
}
|
|
}
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* List the files in the remote destination.
|
|
*/
|
|
function check_limits() {
|
|
if (empty($this->limits)) {
|
|
$this->limits = $this->_xmlrpc('backups.getLimits', array($this->_get_destination()));
|
|
}
|
|
return $this->limits;
|
|
}
|
|
|
|
/**
|
|
* Check that a destination is valid.
|
|
*/
|
|
function confirm_destination() {
|
|
return $this->check_limits();
|
|
}
|
|
|
|
/**
|
|
* Get the form for the settings for this destination.
|
|
*/
|
|
function edit_form() {
|
|
$form = parent::edit_form();
|
|
|
|
// If this is a new destination but the default NS destination has not been created yet,
|
|
// redirect to the NS config screen.
|
|
if (!$this->get_id() && !variable_get('nodesquirrel_secret_key', '')) {
|
|
drupal_goto(BACKUP_MIGRATE_MENU_PATH . '/nodesquirrel');
|
|
}
|
|
|
|
$form['settings'] = array('#tree' => TRUE);
|
|
$activate_link = backup_migrate_nodesquirrel_get_activate_link();
|
|
|
|
// Retrieve the key from the settings or get it from the get string if this is an auto-config action.
|
|
$key = $this->settings('secret_key');
|
|
if (!empty($_GET['key']) && preg_match(NODESQUIRREL_SECRET_KEY_PATTERN, $_GET['key'])) {
|
|
$key = $_GET['key'];
|
|
}
|
|
|
|
$form['settings']['secret_key'] = array(
|
|
'#type' => 'textfield',
|
|
'#title' => t('Secret Key'),
|
|
'#default_value' => $key,
|
|
);
|
|
$form['settings']['location'] = array('#type' => 'value', '#value' => '');
|
|
|
|
$form['settings']['secret_key_help'] = array(
|
|
'#type' => 'item',
|
|
'#title' => t('Need a Secret Key?'),
|
|
'#markup' => t('Visit !nodesquirrel.', array('!nodesquirrel' => $activate_link)),
|
|
);
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Submit the configuration form. Glue the url together and add the old password back if a new one was not specified.
|
|
*/
|
|
function edit_form_validate($form, &$form_state) {
|
|
$key = trim($form_state['values']['settings']['secret_key']);
|
|
if ($error = $this->vaidate_key($key)) {
|
|
form_set_error('secret_key', $error);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validate a secret key. Returns error text if the key is invalid.
|
|
*/
|
|
function vaidate_key($key) {
|
|
$error = FALSE;
|
|
if ($key) {
|
|
if (!preg_match(NODESQUIRREL_SECRET_KEY_PATTERN, $key)) {
|
|
return 'The secret key you entered is not the right format. Please make sure you copy it exactly.';
|
|
}
|
|
$this->settings['secret_key'] = check_plain($key);
|
|
|
|
$limits = $this->check_limits();
|
|
|
|
if (!$limits) {
|
|
$err = xmlrpc_error();
|
|
if (!empty($err->code) && $err->code == '401') {
|
|
return 'Could not log in to the NodeSquirrel server. Please check that your secret key is correct.';
|
|
}
|
|
else {
|
|
return 'Your site could not be found on NodeSquirrel. Please check that your secret key is correct.';
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
return 'You must enter a NodeSquirrel secret key.';
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Submit the configuration form. Glue the url together and add the old password back if a new one was not specified.
|
|
*/
|
|
function edit_form_submit($form, &$form_state) {
|
|
$form_state['values']['secret_key'] = check_plain($form_state['values']['settings']['secret_key']);
|
|
parent::edit_form_submit($form, $form_state);
|
|
}
|
|
|
|
/**
|
|
* Get the destination id or warn the user that it has not been set.
|
|
*/
|
|
function _get_destination($warn = TRUE) {
|
|
list($id, $key) = $this->get_user_pass();
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* Get the destination id or warn the user that it has not been set.
|
|
*/
|
|
function _get_private_key($warn = TRUE) {
|
|
list($id, $key) = $this->get_user_pass();
|
|
return $key;
|
|
}
|
|
|
|
/**
|
|
* Break the secret key into the public/private key (user/pass).
|
|
*/
|
|
function get_user_pass() {
|
|
$key = $this->settings('secret_key');
|
|
// The username is the first 32 chars.
|
|
$user = substr($key, 0, 32);
|
|
// The pass is the last 32 chars. There may be a separating character.
|
|
$pass = substr($key, strlen($key) - 32);
|
|
return array($user, $pass);
|
|
}
|
|
|
|
function get_display_location() {
|
|
return t('NodeSquirrel.com');
|
|
}
|
|
|
|
function add_scheme($url) {
|
|
return 'https://' . $url;
|
|
}
|
|
|
|
/**
|
|
* Get the form for the settings for this destination.
|
|
*/
|
|
function _xmlrpc($method, $args = array()) {
|
|
// Retrieve the severs or read them from a stored variable.
|
|
$servers = $this->_get_endpoints();
|
|
|
|
// Do the actual call.
|
|
return $this->__xmlrpc($method, $args, $servers);
|
|
}
|
|
|
|
/**
|
|
* Get the form for the settings for this destination.
|
|
*/
|
|
function __xmlrpc($method, $args, $servers, $retry = 3) {
|
|
if ($servers && --$retry > 0) {
|
|
// Add the key authentication arguments if we can.
|
|
if ($this->_sign_request($args)) {
|
|
$url = reset($servers);
|
|
// Try each available server in order.
|
|
while ($url) {
|
|
|
|
$url = $this->add_scheme($url);
|
|
|
|
$out = xmlrpc($url, array($method => $args));
|
|
|
|
// Check for errors.
|
|
$err = xmlrpc_error();
|
|
if ($err && $err->is_error) {
|
|
switch ($err->code) {
|
|
case '500':
|
|
case '503':
|
|
case '404':
|
|
// Some sort of server error. Try the next one.
|
|
$url = next($servers);
|
|
|
|
// If we're at the end of the line then try refetching the urls
|
|
if (!$url) {
|
|
$servers = $this->_get_endpoints(TRUE, $retry);
|
|
return $this->__xmlrpc($method, $args, $servers, $retry);
|
|
}
|
|
break;
|
|
case '300':
|
|
// 'Multiple Choices' means that the existing server list needs to be refreshed.
|
|
$servers = $this->_get_endpoints(TRUE, $retry);
|
|
return $this->__xmlrpc($method, $args, $servers, $retry);
|
|
break;
|
|
case '401':
|
|
case '403':
|
|
// Authentication failed.
|
|
_backup_migrate_message('Couldn\'t log in to NodeSquirrel. The server error was: %err', array('%err' => $err->message), 'error');
|
|
return FALSE;
|
|
break;
|
|
default:
|
|
// Some sort of client error. Don't try the next server because it'll probably say the same thing.
|
|
_backup_migrate_message('The NodeSquirrel server returned the following error: %err', array('%err' => $err->message), 'error');
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
// No error, return the result.
|
|
else {
|
|
return $out;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Genrate a hash with a given secret key, timestamp and random value.
|
|
*/
|
|
function _get_hash($time, $nonce) {
|
|
if ($private_key = $this->_get_private_key()) {
|
|
$message = $time . ':' . $nonce . ':' . $private_key;
|
|
// Use HMAC-SHA1 to authenticate the call.
|
|
$hash = base64_encode(
|
|
pack('H*', sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
|
|
pack('H*', sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x36), 64))) .
|
|
$message))))
|
|
);
|
|
return $hash;
|
|
}
|
|
_backup_migrate_message('You must enter a valid secret key to use NodeSquirrel.', array(), 'error');
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Genrate a hash with a given secret key, timestamp and random value.
|
|
*/
|
|
function _sign_request(&$args) {
|
|
$nonce = md5(mt_rand());
|
|
$time = time();
|
|
$hash = $this->_get_hash($time, $nonce);
|
|
if ($hash) {
|
|
array_unshift($args, $nonce);
|
|
array_unshift($args, $time);
|
|
array_unshift($args, $hash);
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve the list of servers.
|
|
*/
|
|
function _get_endpoints($refresh = FALSE, $retry = 3) {
|
|
$servers = (array)variable_get('nodesquirrel_endpoint_urls', array());
|
|
|
|
// No servers saved or a force refreshr required.
|
|
if ($refresh || empty($servers)) {
|
|
$servers = array_unique(array_merge($servers, variable_get('nodesquirrel_default_endpoint_urls', array('api.nodesquirrel.com/services/xmlrpc'))));
|
|
// Call the get endpoints method but use the default or previous servers to avoid infinite loops.
|
|
$new_servers = $this->__xmlrpc('backups.getEndpoints', array($this->_get_destination(), 'xmlrpc'), $servers, $retry);
|
|
if ($new_servers) {
|
|
variable_set('nodesquirrel_endpoint_urls', $new_servers);
|
|
$servers = $new_servers;
|
|
}
|
|
}
|
|
return $servers;
|
|
}
|
|
|
|
/**
|
|
* Post a file via http.
|
|
*
|
|
* This looks a lot like a clone of drupal_http_request but it can post a large
|
|
* file without reading the whole file into memory.
|
|
*/
|
|
function _post_file($url, $method = 'GET', $params = array(), $file = NULL, $retry = 3) {
|
|
global $db_prefix;
|
|
|
|
$result = new stdClass();
|
|
|
|
// Parse the URL and make sure we can handle the schema.
|
|
$uri = parse_url($url);
|
|
|
|
if ($uri == FALSE) {
|
|
$result->error = 'unable to parse URL';
|
|
$result->code = -1001;
|
|
return $result;
|
|
}
|
|
|
|
if (!isset($uri['scheme'])) {
|
|
$result->error = 'missing schema';
|
|
$result->code = -1002;
|
|
return $result;
|
|
}
|
|
|
|
switch ($uri['scheme']) {
|
|
case 'http':
|
|
case 'feed':
|
|
$port = isset($uri['port']) ? $uri['port'] : 80;
|
|
$host = $uri['host'] . ($port != 80 ? ':'. $port : '');
|
|
$fp = @fsockopen($uri['host'], $port, $errno, $errstr, 15);
|
|
break;
|
|
case 'https':
|
|
// Note: Only works for PHP 4.3 compiled with OpenSSL.
|
|
$port = isset($uri['port']) ? $uri['port'] : 443;
|
|
$host = $uri['host'] . ($port != 443 ? ':'. $port : '');
|
|
$fp = @fsockopen('ssl://'. $uri['host'], $port, $errno, $errstr, 20);
|
|
break;
|
|
default:
|
|
$result->error = 'invalid schema '. $uri['scheme'];
|
|
$result->code = -1003;
|
|
return $result;
|
|
}
|
|
|
|
// Make sure the socket opened properly.
|
|
if (!$fp) {
|
|
// When a network error occurs, we use a negative number so it does not
|
|
// clash with the HTTP status codes.
|
|
$result->code = -$errno;
|
|
$result->error = trim($errstr);
|
|
|
|
// Mark that this request failed. This will trigger a check of the web
|
|
// server's ability to make outgoing HTTP requests the next time that
|
|
// requirements checking is performed.
|
|
// @see system_requirements()
|
|
variable_set('drupal_http_request_fails', TRUE);
|
|
|
|
return $result;
|
|
}
|
|
|
|
// Construct the path to act on.
|
|
$path = isset($uri['path']) ? $uri['path'] : '/';
|
|
if (isset($uri['query'])) {
|
|
$path .= '?'. $uri['query'];
|
|
}
|
|
|
|
// Prepare the data payload.
|
|
$boundary = '---------------------------'. substr(md5(rand(0,32000)),0,10);
|
|
$data_footer = "\r\n--$boundary--\r\n";
|
|
|
|
$data_header = '';
|
|
foreach ($params as $key => $value) {
|
|
$data_header .="--$boundary\r\n";
|
|
$data_header .= "Content-Disposition: form-data; name=\"".$key."\"\r\n";
|
|
$data_header .= "\r\n".$value."\r\n";
|
|
$data_header .="--$boundary\r\n";
|
|
}
|
|
|
|
// Add the file header to the post payload.
|
|
$data_header .="--$boundary\r\n";
|
|
$data_header .= "Content-Disposition: form-data; name=\"file\"; filename=\"". $file->filename() ."\"\r\n";
|
|
$data_header .= "Content-Type: application/octet-stream;\r\n";
|
|
$data_header .= "\r\n";
|
|
|
|
// Calculate the content length.
|
|
$content_length = strlen($data_header . $data_footer) + filesize($file->filepath());
|
|
|
|
//file_get_contents($file->filepath()));
|
|
|
|
// Create HTTP request.
|
|
$defaults = array(
|
|
// RFC 2616: "non-standard ports MUST, default ports MAY be included".
|
|
// We don't add the port to prevent from breaking rewrite rules checking the
|
|
// host that do not take into account the port number.
|
|
'Host' => "Host: $host",
|
|
'Content-type' => "Content-type: multipart/form-data, boundary=$boundary",
|
|
'User-Agent' => 'User-Agent: NodeSquirrel Client/1.x (+http://www.nodesquirrel.com) (Drupal '. VERSION .'; Backup and Migrate 2.x)',
|
|
'Content-Length' => 'Content-Length: '. $content_length
|
|
);
|
|
|
|
// If the server url has a user then attempt to use basic authentication
|
|
if (isset($uri['user'])) {
|
|
$defaults['Authorization'] = 'Authorization: Basic '. base64_encode($uri['user'] . (!empty($uri['pass']) ? ":". $uri['pass'] : ''));
|
|
}
|
|
|
|
$request = $method .' '. $path ." HTTP/1.0\r\n";
|
|
$request .= implode("\r\n", $defaults);
|
|
$request .= "\r\n\r\n";
|
|
$result->request = $request;
|
|
|
|
// Write the headers and start of the headers
|
|
fwrite($fp, $request);
|
|
fwrite($fp, $data_header);
|
|
|
|
// Copy the file 512k at a time to prevent memory issues.
|
|
if ($fp_in = fopen($file->filepath(), 'rb')) {
|
|
while (!feof($fp_in)) {
|
|
fwrite($fp, fread($fp_in, 1024 * 512));
|
|
}
|
|
$success = TRUE;
|
|
}
|
|
@fclose($fp_in);
|
|
|
|
// Finish the write.
|
|
fwrite($fp, $data_footer);
|
|
|
|
// Fetch response.
|
|
$response = '';
|
|
while (!feof($fp) && $chunk = fread($fp, 1024)) {
|
|
$response .= $chunk;
|
|
}
|
|
fclose($fp);
|
|
|
|
if (variable_get('debug_http_request', FALSE)) {
|
|
drupal_debug(date('r'));
|
|
drupal_debug($request);
|
|
drupal_debug($response);
|
|
}
|
|
|
|
// Parse response.
|
|
list($split, $result->data) = explode("\r\n\r\n", $response, 2);
|
|
$split = preg_split("/\r\n|\n|\r/", $split);
|
|
|
|
list($protocol, $code, $status_message) = explode(' ', trim(array_shift($split)), 3);
|
|
$result->protocol = $protocol;
|
|
$result->status_message = $status_message;
|
|
|
|
$result->headers = array();
|
|
|
|
// Parse headers.
|
|
while ($line = trim(array_shift($split))) {
|
|
list($header, $value) = explode(':', $line, 2);
|
|
if (isset($result->headers[$header]) && $header == 'Set-Cookie') {
|
|
// RFC 2109: the Set-Cookie response header comprises the token Set-
|
|
// Cookie:, followed by a comma-separated list of one or more cookies.
|
|
$result->headers[$header] .= ','. trim($value);
|
|
}
|
|
else {
|
|
$result->headers[$header] = trim($value);
|
|
}
|
|
}
|
|
|
|
$responses = array(
|
|
100 => 'Continue', 101 => 'Switching Protocols',
|
|
200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content',
|
|
300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect',
|
|
400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed',
|
|
500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported'
|
|
);
|
|
// RFC 2616 states that all unknown HTTP codes must be treated the same as the
|
|
// base code in their class.
|
|
if (!isset($responses[$code])) {
|
|
$code = floor($code / 100) * 100;
|
|
}
|
|
|
|
switch ($code) {
|
|
case 200: // OK
|
|
case 304: // Not modified
|
|
break;
|
|
case 301: // Moved permanently
|
|
case 302: // Moved temporarily
|
|
case 307: // Moved temporarily
|
|
$location = $result->headers['Location'];
|
|
|
|
if ($retry) {
|
|
$result = drupal_http_request($result->headers['Location'], $headers, $method, $data, --$retry);
|
|
$result->redirect_code = $result->code;
|
|
}
|
|
$result->redirect_url = $location;
|
|
|
|
break;
|
|
default:
|
|
$result->error = $status_message;
|
|
}
|
|
|
|
$result->code = $code;
|
|
return $result;
|
|
}
|
|
|
|
}
|
|
|