drupal-civicrm/sites/all/modules/backup_migrate/includes/destinations.inc

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PHP
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2018-01-14 15:10:16 +02:00
<?php
/**
* @file
* All of the destination handling code needed for Backup and Migrate.
*/
backup_migrate_include('crud', 'locations');
/**
* Get the available destination types.
*/
function backup_migrate_get_destination_subtypes() {
return backup_migrate_crud_subtypes('destination');
}
/**
* Implementation of hook_backup_migrate_destination_subtypes().
*
* Get the built in Backup and Migrate destination types.
*/
function backup_migrate_backup_migrate_destination_subtypes() {
$out = array();
if (variable_get('backup_migrate_allow_backup_to_file', TRUE)) {
$out += array(
'file' => array(
'description' => t('Save the backup files to any directory on this server which the web-server can write to.'),
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.file.inc',
'class' => 'backup_migrate_destination_files',
'type_name' => t('Server Directory'),
'local' => TRUE,
'can_create' => TRUE,
),
'file_manual' => array(
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.file.inc',
'type_name' => t('Server Directory'),
'class' => 'backup_migrate_destination_files_manual',
),
'file_scheduled' => array(
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.file.inc',
'type_name' => t('Server Directory'),
'class' => 'backup_migrate_destination_files_scheduled',
),
);
}
$out += array(
'browser_download' => array(
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.browser.inc',
'class' => 'backup_migrate_destination_browser_download',
),
'browser_upload' => array(
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.browser.inc',
'class' => 'backup_migrate_destination_browser_upload',
),
'nodesquirrel' => array(
'description' => t('Save the backup files to the NodeSquirrel.com backup service.'),
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.nodesquirrel.inc',
'class' => 'backup_migrate_destination_nodesquirrel',
'type_name' => t('NodeSquirrel.com'),
'can_create' => TRUE,
'remote' => TRUE,
),
'ftp' => array(
'description' => t('Save the backup files to any a directory on an FTP server.'),
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.ftp.inc',
'class' => 'backup_migrate_destination_ftp',
'type_name' => t('FTP Directory'),
'can_create' => TRUE,
'remote' => TRUE,
),
's3' => array(
'description' => t('Save the backup files to a bucket on your !link.', array('!link' => l(t('Amazon S3 account'), 'http://aws.amazon.com/s3/'))),
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.s3.inc',
'class' => 'backup_migrate_destination_s3',
'type_name' => t('Amazon S3 Bucket'),
'can_create' => TRUE,
'remote' => TRUE,
),
'email' => array(
'type_name' => t('Email'),
'description' => t('Send the backup as an email attachment to the specified email address.'),
'file' => drupal_get_path('module', 'backup_migrate') .'/includes/destinations.email.inc',
'class' => 'backup_migrate_destination_email',
'can_create' => TRUE,
'remote' => TRUE,
),
);
return $out;
}
/**
* Implementation of hook_backup_migrate_destinations().
*
* Get the built in backup destinations and those in the db.
*/
function backup_migrate_backup_migrate_destinations() {
$out = array();
// Add the default, out of the box destinations for new users.
if (variable_get('backup_migrate_allow_backup_to_file', TRUE)) {
if (variable_get('file_private_path', FALSE)) {
$out['manual'] = backup_migrate_create_destination('file_manual', array('machine_name' => 'manual'));
$out['scheduled'] = backup_migrate_create_destination('file_scheduled', array('machine_name' => 'scheduled'));
}
else {
_backup_migrate_message('You must specify a private file system path in the !settings to backup to the server.', array('!settings' => l(t('file system settings'), 'admin/config/media/file-system')), 'warning');
}
}
// Add the browser destination for downloading to the desktop.
if (variable_get('backup_migrate_allow_backup_to_download', TRUE)) {
$out['download'] = backup_migrate_create_destination('browser_download');
}
$out['upload'] = backup_migrate_create_destination('browser_upload');
// Expose the configured databases as sources.
backup_migrate_include('filters');
$out += backup_migrate_filters_invoke_all('destinations');
return $out;
}
/**
* Get all the available backup destination.
*
* @param $op
* The operation which will be performed on the destination. Hooks can use this
* to return only those destinations appropriate for the given op.
* Options include:
* 'manual backup' - destinations available for manual backup
* 'scheduled backup' - destinations available for schedules backup
* 'list files' - destinations whose backup files can be listed
* 'restore' - destinations whose files can be restored from
* 'all' - all available destinations should be returned
*/
function backup_migrate_get_destinations($op = 'all') {
$destinations = &drupal_static('backup_migrate_get_destinations', NULL);
// Get the list of destinations and cache them locally.
if ($destinations === NULL) {
$destinations = backup_migrate_crud_get_items('destination');
}
// Return all if that's what was asked for.
if ($op == 'all') {
return $destinations;
}
// Return only those destinations which support the given op.
$out = array();
foreach ($destinations as $key => $destination) {
if ($destination->op($op)) {
$out[$key] = $destination;
}
}
return $out;
}
/**
* Get the destination of the given id.
*/
function backup_migrate_get_destination($id) {
$destinations = backup_migrate_get_destinations('all');
return empty($destinations[$id]) ? NULL : $destinations[$id];
}
/**
* Create a destination object of the given type with the given params.
*/
function backup_migrate_create_destination($destination_type, $params = array()) {
$params['subtype'] = $destination_type;
return backup_migrate_crud_create_item('destination', $params);
}
/**
* Load a file from a destination and return the file info.
*/
function backup_migrate_destination_get_file($destination_id, $file_id) {
if ($destination = backup_migrate_get_destination($destination_id)) {
return $destination->load_file($file_id);
}
return NULL;
}
/**
* Load a file from a destination and return the file info.
*/
function backup_migrate_destination_get_latest_file($destination_id) {
$out = NULL;
if ($destination = backup_migrate_get_destination($destination_id)) {
$files = $destination->list_files();
$max = 0;
foreach ((array)$files as $file) {
$info = $file->info();
// If there's a datestamp, it should override the filetime as it's probably more reliable.
$time = !empty($info['datestamp']) ? $info['datestamp'] : $info['filetime'];
if ($time > $max) {
$max = $time;
$out = $file;
}
}
}
return $out;
}
/**
* Check if a file exists in the given destination.
*/
function backup_migrate_destination_file_exists($destination_id, $file_id) {
if ($destination = backup_migrate_get_destination($destination_id)) {
return $destination->file_exists($file_id);
}
return NULL;
}
/**
* Send a file to the destination specified by the settings array.
*/
function backup_migrate_destination_confirm_destination(&$settings) {
if ($destinations = $settings->get_destinations()) {
foreach ($destinations as $key => $destination) {
// Check that the destination is ready to go.
if (!$destination->confirm_destination()) {
unset($destinations[$key]);
}
}
}
$settings->destinations = $destinations;
return count($destinations);
}
/**
* Send a file to the destination specified by the settings array.
*/
function backup_migrate_destination_save_file($file, &$settings) {
$saved_to = array();
if ($destinations = $settings->get_destinations()) {
foreach ($destinations as $destination) {
// Make sure the file only gets saved to each destination once.
$id = $destination->get('id');
if (!in_array($id, $saved_to)) {
if ($destination->save_file($file, $settings)) {
$saved_to[] = $id;
}
}
}
}
return $saved_to ? $file : FALSE;
}
/**
* Delete a file in the given destination.
*/
function backup_migrate_destination_delete_file($destination_id, $file_id) {
if ($destination = backup_migrate_get_destination($destination_id)) {
return $destination->delete_file($file_id);
}
}
/**
* Get the action links for a file on a given destination.
*/
function _backup_migrate_destination_get_file_links($destination_id, $file_id) {
$out = array();
if ($destination = backup_migrate_get_destination($destination_id)) {
$out = $destination->get_file_links($file_id);
}
return $out;
}
/* UI Menu Callbacks */
/**
* List the backup files in the given destination.
*/
function backup_migrate_ui_destination_display_files($destination_id = NULL) {
drupal_add_css(drupal_get_path('module', 'backup_migrate') .'/backup_migrate.css');
$rows = $sort = array();
if ($destination = backup_migrate_get_destination($destination_id)) {
drupal_set_title(t('@title Files', array('@title' => $destination->get_name())));
return _backup_migrate_ui_destination_display_files($destination, 20, TRUE);
}
drupal_goto(BACKUP_MIGRATE_MENU_PATH . "/destination");
}
/**
* List the backup files in the given destination.
*/
function _backup_migrate_ui_destination_display_files($destination = NULL, $limit = NULL, $show_pager = FALSE) {
if ($destination) {
// Refresh the file listing cache if requested.
if (isset($_GET['refresh'])) {
$destination->file_cache_clear();
drupal_goto($_GET['q']);
}
$files = $destination->list_files();
$fetch = $out = '';
// Get the fetch link.
if ($destination->cache_files && $destination->fetch_time) {
$fetch = '<div class="description">'. t('This listing was fetched !time ago. !refresh', array('!time' => format_interval(time() - $destination->fetch_time, 1), '!refresh' => l(t('fetch now'), $_GET['q'], array('query' => array('refresh' => 'true'))))) .'</div>';
}
$out .= $fetch;
$out .= _backup_migrate_ui_destination_display_file_list($files, array('limit' => 20, 'pager' => TRUE));
$out .= $fetch;
return $out;
}
}
/**
* List the backup files in the given destination.
*/
function _backup_migrate_ui_destination_display_file_list($files, $options = array()) {
drupal_add_css(drupal_get_path('module', 'backup_migrate') .'/backup_migrate.css');
// Set some default options
$options += array(
'pager' => TRUE,
'more' => FALSE,
'operations' => TRUE,
'limit' => NULL,
'form_elements' => NULL,
);
$rows = $sort = array();
if ($files) {
$headers = array(
array('data' => 'Filename', 'field' => 'filename'),
array('data' => 'Created', 'field' => 'filetime', 'sort' => 'desc'),
array('data' => 'Size', 'field' => 'filesize'),
);
if ($options['operations']) {
$headers[] = array('data' => 'Operations');
}
if ($options['form_elements']) {
array_unshift($headers, '');
}
$sort_order = tablesort_get_order($headers);
$sort_key = $sort_order['sql'] ? $sort_order['sql'] : 'filetime';
$sort_dir = tablesort_get_sort($headers) == 'desc' ? SORT_DESC : SORT_ASC;
$i = 0;
foreach ((array)$files as $id => $file) {
$info = $file->info();
// If there's a datestamp, it should override the filetime as it's probably more reliable.
$info['filetime'] = !empty($info['datestamp']) ? $info['datestamp'] : $info['filetime'];
$description = '';
// Add the description as a new row.
if (!empty($info['description'])) {
$description .= ' <div title="' . check_plain($info['description']) . '" class="backup-migrate-description">' . check_plain($info['description']) . '</div>';
}
// Add the backup source.
if (!empty($info['bam_sourcename'])) {
$description .= ' <div title="'. check_plain($info['bam_sourcename']) .'" class="backup-migrate-tags"><span class="backup-migrate-label">'. t('Source:') .' </span>' . check_plain($info['bam_sourcename']) . '</div>';
}
// Add the tags as a new row.
if (!empty($info['tags'])) {
$tags = check_plain(implode(', ', (array)$info['tags']));
$description .= ' <div title="' . $tags . '" class="backup-migrate-tags"><span class="backup-migrate-label">' . t('Tags:') . ' </span>' . $tags . '</div>';
}
// Add the other info.
if (!empty($info['bam_other_safe'])) {
foreach ($info['bam_other_safe'] as $label => $data) {
$description .= ' <div class="backup-migrate-tags"><span class="backup-migrate-label">' . $label . ' </span>' . $data . '</div>';
}
}
// Show only files that can be restored from.
$sort[] = $info[$sort_key];
$row = array(
check_plain($info['filename']) . $description,
t('!time ago', array('!time' => format_interval(time() - $info['filetime'], 2))) . '<div class="backup-migrate-date">' . format_date($info['filetime'], 'small') . '</div>',
format_size($info['filesize']),
);
if ($options['operations']) {
$row[] = array('data' => implode(' &nbsp; ', $file->destination->get_file_links($file->file_id())), 'class' => 'backup-migrate-actions');
}
if (isset($options['form_elements'][$id])) {
array_unshift($row, $options['form_elements'][$id]);
}
$rows[] = $row;
}
array_multisort($sort, $sort_dir, $rows);
// Show only some of them if it's limited.
$showing = $pager = $more = '';
if ($options['limit']) {
$limit = $options['limit'];
$total = count($rows);
$end = $limit;
$start = 0;
if ($options['pager']) {
$page = isset($_GET['page']) ? $_GET['page'] : '';
$start = $page * $limit;
$element = 0;
$GLOBALS['pager_total'][$element] = ceil($total / $limit);
$GLOBALS['pager_page_array'][$element] = $page;
$tags = array(
t('« newest'),
t('« newer'),
'',
t('older »'),
t('oldest »'),
);
$pager = theme('pager', $tags, $limit, $element, array(), ceil($total/$limit));
$end = min($total - 1, $start + $limit);
}
if ($total > $limit && $options['more']) {
$more = ' ' . l(t('view all'), $options['more']);
}
$showing = t('Showing @start to @end of @total files.', array('@start' => $start + 1, '@end' => $end + 1, '@total' => $total));
// Limit the number of rows shown.
$rows = array_slice($rows, $start, $limit, TRUE);
}
$out = theme("table", array('header' => $headers, 'rows' => $rows, 'class' => 'backup-migrate-listing backup-migrate-listing-files'));
$out .= $showing;
$out .= $pager;
$out .= $more;
}
else {
$out = t('There are no backup files to display.');
}
return $out;
}
/**
* List the backup files in the given destination.
*/
function _backup_migrate_ui_destination_display_file_list_options($files, $limit = NULL) {
drupal_add_css(drupal_get_path('module', 'backup_migrate') .'/backup_migrate.css');
$rows = $sort = array();
if ($files) {
$headers = array(
'',
array('data' => 'Filename', 'field' => 'filename'),
array('data' => 'Created', 'field' => 'filetime', 'sort' => 'desc'),
array('data' => 'Size', 'field' => 'filesize'),
);
$sort_order = tablesort_get_order($headers);
$sort_key = $sort_order['sql'] ? $sort_order['sql'] : 'filetime';
$sort_dir = tablesort_get_sort($headers) == 'desc' ? SORT_DESC : SORT_ASC;
$i = 0;
foreach ((array)$files as $file) {
$info = $file->info();
// If there's a datestamp, it should override the filetime as it's probably more reliable.
$info['filetime'] = !empty($info['datestamp']) ? $info['datestamp'] : $info['filetime'];
$description = '';
// Add the description as a new row.
if (!empty($info['description'])) {
$description .= ' <div title="' . check_plain($info['description']) . '" class="backup-migrate-description">' . check_plain($info['description']) . '</div>';
}
// Add the backup source.
if (!empty($info['bam_sourcename'])) {
$description .= ' <div title="'. check_plain($info['bam_sourcename']) .'" class="backup-migrate-tags"><span class="backup-migrate-label">'. t('Source:') .' </span>' . check_plain($info['bam_sourcename']) . '</div>';
}
// Add the tags as a new row.
if (!empty($info['tags'])) {
$tags = check_plain(implode(', ', (array)$info['tags']));
$description .= ' <div title="' . $tags . '" class="backup-migrate-tags"><span class="backup-migrate-label">' . t('Tags:') . ' </span>' . $tags . '</div>';
}
// Add the other info.
if (!empty($info['bam_other_safe'])) {
foreach ($info['bam_other_safe'] as $label => $data) {
$description .= ' <div class="backup-migrate-tags"><span class="backup-migrate-label">' . $label . ' </span>' . $data . '</div>';
}
}
// Show only files that can be restored from.
$sort[] = $info[$sort_key];
$rows[] = array(
'radio',
check_plain($info['filename']) . $description,
t('!time ago', array('!time' => format_interval(time() - $info['filetime'], 2))) . '<div class="backup-migrate-date">' . format_date($info['filetime'], 'small') . '</div>',
format_size($info['filesize']),
);
}
array_multisort($sort, $sort_dir, $rows);
// Show only some of them if it's limited.
$showing = $pager = '';
if ($limit) {
$total = count($rows);
$end = $limit;
$start = 0;
$showing = t('Showing @start to @end of @total files.', array('@start' => $start + 1, '@end' => $end + 1, '@total' => $total));
// Limit the number of rows shown.
$rows = array_slice($rows, $start, $limit, TRUE);
}
$out = theme("table", array('header' => $headers, 'rows' => $rows, 'class' => 'backup-migrate-listing backup-migrate-listing-files'));
$out .= $showing;
}
else {
$out = t('There are no backup files to display.');
}
return $out;
}
/**
* Download a file to the browser.
*/
function backup_migrate_ui_destination_download_file($destination_id = NULL, $file_id = NULL) {
if ($file = backup_migrate_destination_get_file($destination_id, $file_id)) {
backup_migrate_include('files');
$file->transfer();
}
drupal_goto(BACKUP_MIGRATE_MENU_PATH);
}
/**
* Restore a backup file from a destination.
*/
function backup_migrate_ui_destination_restore_file($destination_id = NULL, $file_id = NULL) {
if (backup_migrate_destination_file_exists($destination_id, $file_id)) {
return drupal_get_form('backup_migrate_ui_destination_restore_file_confirm', $destination_id, $file_id);
}
_backup_migrate_message('Cannot restore from the the file: %file_id because it does not exist.', array('%file_id' => $file_id), 'error');
if ($destination_id && user_access('access backup files')) {
drupal_goto(BACKUP_MIGRATE_MENU_PATH . '/destination/list/files/' . $destination_id);
}
drupal_goto(BACKUP_MIGRATE_MENU_PATH);
}
/**
* Ask confirmation for file restore.
*/
function backup_migrate_ui_destination_restore_file_confirm($form, &$form_state, $destination_id, $file_id) {
$sources = _backup_migrate_get_source_form_item_options();
if (count($sources) > 1) {
$form['source_id'] = array(
"#type" => "select",
"#title" => t("Restore to"),
"#options" => $sources,
"#description" => t("Choose the database to restore to. Any database destinations you have created and any databases specified in your settings.php can be restored to."),
"#default_value" => 'db',
);
}
else {
$form['source_id'] = array(
"#type" => "value",
"#value" => 'db',
);
}
$form['destination_id'] = array('#type' => 'value', '#value' => $destination_id);
$form['file_id'] = array('#type' => 'value', '#value' => $file_id);
$form = confirm_form($form, t('Are you sure you want to restore the database?'), BACKUP_MIGRATE_MENU_PATH . "/destination/list/files/". $destination_id, t('Are you sure you want to restore the database from the backup file %file_id? This will delete some or all of your data and cannot be undone. <strong>Always test your backups on a non-production server!</strong>', array('%file_id' => $file_id)), t('Restore'), t('Cancel'));
drupal_set_message(t('Restoring will delete some or all of your data and cannot be undone. <strong>Always test your backups on a non-production server!</strong>'), 'warning', FALSE);
$form = array_merge_recursive($form, backup_migrate_filters_settings_form(backup_migrate_filters_settings_default('restore'), 'restore'));
$form['actions']['#weight'] = 100;
// Add the advanced fieldset if there are any fields in it.
if (@$form['advanced']) {
$form['advanced']['#type'] = 'fieldset';
$form['advanced']['#title'] = t('Advanced Options');
$form['advanced']['#collapsed'] = true;
$form['advanced']['#collapsible'] = true;
}
return $form;
}
/**
* Do the file restore.
*/
function backup_migrate_ui_destination_restore_file_confirm_submit($form, &$form_state) {
$destination_id = $form_state['values']['destination_id'];
$file_id = $form_state['values']['file_id'];
if ($destination_id && $file_id) {
backup_migrate_perform_restore($destination_id, $file_id, $form_state['values']);
}
$redir = user_access('access backup files') ? BACKUP_MIGRATE_MENU_PATH . "/destination/list/files/". $destination_id : BACKUP_MIGRATE_MENU_PATH;
$form_state['redirect'] = $redir;
}
/**
* Menu callback to delete a file from a destination.
*/
function backup_migrate_ui_destination_delete_file($destination_id = NULL, $file_id = NULL) {
if (backup_migrate_destination_file_exists($destination_id, $file_id)) {
return drupal_get_form('backup_migrate_ui_destination_delete_file_confirm', $destination_id, $file_id);
}
_backup_migrate_message('Cannot delete the file: %file_id because it does not exist.', array('%file_id' => $file_id), 'error');
if ($destination_id && user_access('access backup files')) {
drupal_goto(BACKUP_MIGRATE_MENU_PATH .'/destination/list/files/' . $destination_id);
}
drupal_goto(BACKUP_MIGRATE_MENU_PATH);
}
/**
* Ask confirmation for file deletion.
*/
function backup_migrate_ui_destination_delete_file_confirm($form, &$form_state, $destination_id, $file_id) {
$form['destination_id'] = array('#type' => 'value', '#value' => $destination_id);
$form['file_id'] = array('#type' => 'value', '#value' => $file_id);
return confirm_form($form, t('Are you sure you want to delete the backup file?'), BACKUP_MIGRATE_MENU_PATH . '/destination/list/files/'. $destination_id, t('Are you sure you want to delete the backup file %file_id? <strong>This action cannot be undone.</strong>', array('%file_id' => $file_id)), t('Delete'), t('Cancel'));
}
/**
* Delete confirmed, perform the delete.
*/
function backup_migrate_ui_destination_delete_file_confirm_submit($form, &$form_state) {
if (user_access('delete backup files')) {
$destination_id = $form_state['values']['destination_id'];
$file_id = $form_state['values']['file_id'];
backup_migrate_destination_delete_file($destination_id, $file_id);
_backup_migrate_message('Database backup file deleted: %file_id', array('%file_id' => $file_id));
}
$form_state['redirect'] = user_access('access backup files') ? BACKUP_MIGRATE_MENU_PATH . "/destination/list/files/". $destination_id : BACKUP_MIGRATE_MENU_PATH;
}
/* Utilities */
/**
* Get pulldown to select existing source options.
*/
function _backup_migrate_get_destination_pulldown($op, $destination_id = NULL, $copy_destination_id = NULL) {
drupal_add_js(drupal_get_path('module', 'backup_migrate') .'/backup_migrate.js');
$destinations = _backup_migrate_get_destination_form_item_options($op);
$form = array(
'#element_validate' => array('_backup_migrate_destination_pulldown_validate'),
'#after_build' => array('_backup_migrate_process_destination_pulldown'),
);
$form['destination_id'] = array(
'#type' => 'select',
'#title' => t('Backup Destination'),
'#options' => $destinations,
'#default_value' => $destination_id,
//'#process' => array('_backup_migrate_process_destination_pulldown'),
);
if (user_access('administer backup and migrate')) {
$form['destination_id']['#description'] = l(t('Create new destination'), BACKUP_MIGRATE_MENU_PATH . '/settings/destination/add');
}
$form['copy'] = array(
'#type' => 'checkbox',
'#title' => '<span class="backup-migrate-destination-copy-label">' . t('Save a copy to a second destination') . '</span>',
'#default_value' => !empty($copy_destination_id),
);
$form['copy_destination'] = array(
'#type' => 'backup_migrate_dependent',
'#dependencies' => array(
'copy' => TRUE,
),
);
$form['copy_destination']['copy_destination_id'] = array(
'#type' => 'select',
'#title' => t('Second Backup Destination'),
'#options' => $destinations,
'#default_value' => $copy_destination_id,
);
return $form;
}
/**
* Return the destination pulldown with an option to save a second copy.
*/
function _backup_migrate_process_destination_pulldown($element) {
$id = $element['destination_id']['#id'];
$settings = array(
'backup_migrate' => array(
'destination_selectors' => array(
$id => array(
'destination_selector' => $id,
'copy_destination_selector' => $element['copy_destination']['copy_destination_id']['#id'],
'copy' => $element['copy']['#id'],
'labels' => array(
t('Local') => t('Save an offsite copy to'),
t('Offsite') => t('Save a local copy to'),
)
)
)
)
);
drupal_add_js($settings, 'setting');
return $element;
}
/**
* Validate the destination and second destination widget.
*/
function _backup_migrate_destination_pulldown_validate($element, &$form_state, $form) {
if (empty($element['copy']['#value']) || $element['copy_destination']['copy_destination_id']['#value'] == $element['destination_id']['#value']) {
_backup_migrate_destination_pulldown_set_value($form_state['values'], $element['copy_destination']['copy_destination_id']['#parents'], '');
}
}
/**
* Set the value of a form field given it's parent array.
*/
function _backup_migrate_destination_pulldown_set_value(&$values, $parents, $value) {
$key = array_shift($parents);
if (empty($parents)) {
$values[$key] = $value;
}
else {
_backup_migrate_destination_pulldown_set_value($values[$key], $parents, $value);
}
}
/**
* Get the destination options as an options array for a form item.
*/
function _backup_migrate_get_destination_form_item_options($op) {
$remote = $local = array();
foreach (backup_migrate_get_destinations($op) as $key => $destination) {
if ($destination->op('remote backup')) {
$remote[$key] = $destination->get_name();
}
else {
$local[$key] = $destination->get_name();
}
}
$out = array();
if ($remote && $local) {
$out = array(
t('Local') => $local,
t('Offsite') => $remote,
);
}
else {
$out = $remote + $local;
}
return $out;
}
/**
* A base class for creating destinations.
*/
class backup_migrate_destination extends backup_migrate_location {
var $db_table = "backup_migrate_destinations";
var $type_name = "destination";
var $default_values = array('settings' => array());
var $singular = 'destination';
var $plural = 'destinations';
var $title_plural = 'Destinations';
var $title_singular = 'Destination';
var $cache_files = FALSE;
var $fetch_time = NULL;
var $cache_expire = 86400; // 24 hours
var $weight = 0;
var $destination_type = "";
var $supported_ops = array();
/**
* This function is not supposed to be called. It is just here to help the po extractor out.
*/
function strings() {
// Help the pot extractor find these strings.
t('Destination');
t('Destinations');
t('destinations');
t('destination');
}
/**
* Save the given file to the destination.
*/
function save_file($file, $settings) {
$this->file_cache_clear();
// Save the file metadata if the destination supports it.
$this->save_file_info($file, $settings);
return $this->_save_file($file, $settings);
}
/**
* Save the given file to the destination.
*/
function _save_file($file, $settings) {
// This must be overriden.
return $file;
}
/**
* Save the file metadata
*/
function save_file_info($file, $settings) {
$info = $this->create_info_file($file);
// Save the info file and the actual file.
return $this->_save_file($info, $settings);
}
/**
* Load the file with the given destination specific id and return as a backup_file object.
*/
function load_file($file_id) {
// This must be overriden.
return NULL;
}
/**
* Check if a file exists in the given destination.
*/
function file_exists($file_id) {
// Check if the file exists in the list of available files. Actual destination types may have more efficient ways of doing this.
$files = $this->list_files();
return isset($files[$file_id]);
}
/**
* List all the available files in the given destination with their destination specific id.
*/
function list_files() {
$files = NULL;
if ($this->cache_files) {
$files = $this->file_cache_get();
}
if ($files === NULL) {
$files = $this->_list_files();
$files = $this->load_files_info($files);
if ($this->cache_files) {
$this->file_cache_set($files);
}
}
$out = array();
if (is_array($files)) {
foreach ($files as $id => $file) {
if ($file->is_recognized_type()) {
$out[$id] = $file;
$out[$id]->destination = &$this;
}
}
}
return $out;
}
/**
* List all the available files in the given destination with their destination specific id.
*/
function count_files() {
return count($this->list_files());
}
/**
* List all the available files in the given destination with their destination specific id.
*/
function _list_files() {
return array();
}
/**
* Load up the file's metadata from the accompanying .info file if applicable.
*/
function load_files_info($files) {
foreach ($files as $key => $file) {
// See if there is an info file with the same name as the backup.
if (isset($files[$key . '.info'])) {
$info_file = $this->load_file($files[$key . '.info']->file_id());
$info = drupal_parse_info_file($info_file->filepath());
// Allow the stored metadata to override the detected metadata.
unset($info['filename']);
$file->file_info = $info + $file->file_info;
// Remove the metadata file from the list
unset($files[$key . '.info']);
}
// Add destination specific info.
$file->info_set('destination_id', $this->get('id'));
$file->info_set('remote', $this->get('remote'));
}
return $files;
}
/**
* Create an ini file and write the meta data.
*/
function create_info_file($file) {
$info = $this->_file_info_file($file);
$data = _backup_migrate_array_to_ini($file->file_info);
$info->put_contents($data);
return $info;
}
/**
* Create the info file object.
*/
function _file_info_file($file) {
$info = new backup_file(array('filename' => $this->_file_info_filename($file->file_id())));
return $info;
}
/**
* Determine the file name of the info file for a file.
*/
function _file_info_filename($file_id) {
return $file_id . '.info';
}
/**
* Cache the file list.
*/
function file_cache_set($files) {
cache_set('backup_migrate_file_list:'. $this->get_id(), $files, 'cache', time() + $this->cache_expire);
}
/**
* Retrieve the file list.
*/
function file_cache_get() {
backup_migrate_include('files');
$cache = cache_get('backup_migrate_file_list:'. $this->get_id());
if (!empty($cache->data) && $cache->created > (time() - $this->cache_expire)) {
$this->fetch_time = $cache->created;
return $cache->data;
}
$this->fetch_time = 0;
return NULL;
}
/**
* Retrieve the file list.
*/
function file_cache_clear() {
if ($this->cache_files) {
$this->file_cache_set(NULL);
}
}
/**
* Delete the file with the given destination specific id.
*/
function delete_file($file_id) {
$this->file_cache_clear();
$this->_delete_file($file_id);
$this->_delete_file($this->_file_info_filename($file_id));
}
/**
* Delete the file with the given destination specific id.
*/
function _delete_file($file_id) {
// This must be overriden.
}
/**
* Get the edit form for the item.
*/
function edit_form() {
if (get_class($this) !== 'backup_migrate_destination') {
$form = parent::edit_form();
$form['subtype'] = array(
"#type" => "value",
"#default_value" => $this->get('subtype'),
);
}
else {
$types = backup_migrate_get_destination_subtypes();
$items = array(
'remote' => array(
'title' => t('Offsite Destinations'),
'description' => t('For the highest level of protection, set up an offsite backup destination in a location separate from your website.'),
'items' => array(),
),
'local' => array(
'title' => t('Local Destinations'),
'description' => t('Local backups are quick and convenient but do not provide the additional safety of offsite backups.'),
'items' => array(),
),
'other' => array(
'title' => t('Other Destinations'),
'description' => t('These destinations have not been classified because they were created for Backup and Migrate version 2. They may not work correctly with this version.'),
'items' => array(),
),
);
// If no (valid) node type has been provided, display a node type overview.
$path = $this->get_settings_path();
foreach ($types as $key => $type) {
if (@$type['can_create']) {
$type_url_str = str_replace('_', '-', $key);
$out = '<dt>'. l($type['type_name'], $path . "/add/$type_url_str", array('attributes' => array('title' => t('Add a new @s destination.', array('@s' => $type['type_name']))))) .'</dt>';
$out .= '<dd>'. filter_xss_admin($type['description']) .'</dd>';
if (!empty($type['local'])) {
$items['local']['items'][] = $out;
}
if (!empty($type['remote'])) {
$items['remote']['items'][] = $out;
}
if (empty($type['local']) && empty($type['remote'])) {
$items['other']['items'][] = $out;
}
}
}
if (count($items['local']['items']) || count($items['remote']['items']) || count($items['other']['items'])) {
$output = '<p>' . t('Choose the type of destination you would like to create:') . '</p>';
foreach ($items as $group) {
if (count($group['items'])) {
$group['body'] = '<dl>'. implode('', $group['items']) .'</dl>';
$output .= theme('backup_migrate_group', $group);
}
}
}
else {
$output = t('No destination types available.');
}
$form['select_type'] = array(
'#type' => 'markup',
'#markup' => $output,
);
}
return $form;
}
/**
* Get the message to send to the user when confirming the deletion of the item.
*/
function delete_confirm_message() {
return t('Are you sure you want to delete the destination %name? Backup files already saved to this destination will not be deleted.', array('%name' => $this->get_name()));
}
/**
* Get a boolean representing if the destination is remote or local.
*/
function get_remote() {
return $this->op('remote backup');
}
/**
* Get the action links for a destination.
*/
function get_action_links() {
$out = parent::get_action_links();
$item_id = $this->get_id();
// Don't display the download/delete/restore ops if they are not available for this destination.
if ($this->op('list files') && user_access("access backup files")) {
$out = array('list files' => l(t("list files"), $this->get_settings_path() . '/list/files/'. $item_id)) + $out;
}
if (!$this->op('configure') || !user_access('administer backup and migrate')) {
unset($out['edit']);
}
return $out;
}
/**
* Get the action links for a file on a given destination.
*/
function get_file_links($file_id) {
$out = array();
// Don't display the download/delete/restore ops if they are not available for this destination.
$can_read = $this->can_read_file($file_id);
$can_delete = $this->can_delete_file($file_id);
$path = $this->get_settings_path();
$destination_id = $this->get_id();
if ($can_read && user_access("access backup files")) {
$out[] = l(t("download"), $path . '/downloadfile/'. $destination_id .'/'. $file_id);
}
if ($can_read && user_access("restore from backup")) {
$out[] = l(t("restore"), $path . '/list/restorefile/' . $destination_id .'/'. $file_id);
}
if ($can_delete && user_access("delete backup files")) {
$out[] = l(t("delete"), $path . '/list/deletefile/' . $destination_id .'/'. $file_id);
}
return $out;
}
/**
* Determine if we can read the given file.
*/
function can_read_file($file_id) {
return $this->op('restore');
}
/**
* Determine if we can read the given file.
*/
function can_delete_file($file_id) {
return $this->op('delete');
}
/**
* Get the form for the settings for this destination type.
*/
function settings_default() {
return array();
}
/**
* Get the form for the settings for this destination.
*/
function settings_form($form) {
return $form;
}
/**
* Validate the form for the settings for this destination.
*/
function settings_form_validate($form_values) {
}
/**
* Submit the settings form. Any values returned will be saved.
*/
function settings_form_submit($form_values) {
return $form_values;
}
/**
* Check that a destination is valid.
*/
function confirm_destination() {
return true;
}
/**
* Add the menu items specific to the destination type.
*/
function get_menu_items() {
$items = parent::get_menu_items();
$path = $this->get_settings_path();
$items[$path . '/list/files'] = array(
'title' => 'Destination Files',
'page callback' => 'backup_migrate_menu_callback',
'page arguments' => array('destinations', 'backup_migrate_ui_destination_display_files', TRUE),
'access arguments' => array('access backup files'),
'type' => MENU_LOCAL_TASK,
);
$items[$path . '/list/deletefile'] = array(
'title' => 'Delete File',
'description' => 'Delete a backup file',
'page callback' => 'backup_migrate_menu_callback',
'page arguments' => array('destinations', 'backup_migrate_ui_destination_delete_file', TRUE),
'access arguments' => array('delete backup files'),
'type' => MENU_LOCAL_TASK,
);
$items[$path . '/list/restorefile'] = array(
'title' => 'Restore from backup',
'description' => 'Restore database from a backup file on the server',
'page callback' => 'backup_migrate_menu_callback',
'page arguments' => array('destinations', 'backup_migrate_ui_destination_restore_file', TRUE),
'access arguments' => array('restore from backup'),
'type' => MENU_LOCAL_TASK,
);
$items[$path . '/downloadfile'] = array(
'title' => 'Download File',
'description' => 'Download a backup file',
'page callback' => 'backup_migrate_menu_callback',
'page arguments' => array('destinations', 'backup_migrate_ui_destination_download_file', TRUE),
'access arguments' => array('access backup files'),
'type' => MENU_CALLBACK,
);
return $items;
}
}
/**
* A base class for creating destinations.
*/
class backup_migrate_destination_remote extends backup_migrate_destination {
/**
* The location is a URI so parse it and store the parts.
*/
function get_location() {
return $this->url(FALSE);
}
/**
* The location to display is the url without the password.
*/
function get_display_location() {
return $this->url(TRUE);
}
/**
* Return the location with the password.
*/
function set_location($location) {
$this->location = $location;
$this->set_url($location);
}
/**
* Destination configuration callback.
*/
function edit_form() {
$form = parent::edit_form();
$form['scheme'] = array(
"#type" => "textfield",
"#title" => t("Scheme"),
"#default_value" => @$this->dest_url['scheme'] ? $this->dest_url['scheme'] : '',
"#required" => TRUE,
"#weight" => 0,
);
$form['host'] = array(
"#type" => "textfield",
"#title" => t("Host"),
"#default_value" => @$this->dest_url['host'] ? $this->dest_url['host'] : 'localhost',
"#required" => TRUE,
"#weight" => 10,
);
$form['path'] = array(
"#type" => "textfield",
"#title" => t("Path"),
"#default_value" => @$this->dest_url['path'],
"#required" => TRUE,
"#weight" => 20,
);
$form['user'] = array(
"#type" => "textfield",
"#title" => t("Username"),
"#default_value" => @$this->dest_url['user'],
"#required" => TRUE,
"#weight" => 30,
);
$form['pass'] = array(
"#type" => "password",
"#title" => t("Password"),
"#default_value" => @$this->dest_url['pass'],
'#description' => '',
"#weight" => 40,
);
if (@$this->dest_url['pass']) {
$form['old_password'] = array(
"#type" => "value",
"#value" => @$this->dest_url['pass'],
);
$form['pass']["#description"] .= t(' You do not need to enter a password unless you wish to change the currently saved password.');
}
return $form;
}
/**
* Submit the configuration form. Glue the url together and add the old password back if a new one was not specified.
*/
function edit_form_submit($form, &$form_state) {
$form_state['values']['pass'] = $form_state['values']['pass'] ? $form_state['values']['pass'] : $form_state['values']['old_password'];
$form_state['values']['location'] = $this->glue_url($form_state['values'], FALSE);
parent::edit_form_submit($form, $form_state);
}
}