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|
<?php
class Page_Backup extends Page
{
private $action = false;
private $templateData = array();
protected function doPreprocess()
{
User::load();
if (!User::hasPermission('superadmin')) {
Message::addError('no-permission');
Util::redirect('?do=Main');
}
$this->action = Request::post('action');
if ($this->action === 'backup') {
$this->backup();
} elseif ($this->action === 'restore') {
$this->restore();
}
}
protected function doRender()
{
Render::setTitle(Dictionary::translate('lang_titleBackup'));
if ($this->action === 'restore') {
Render::addTemplate('backup/restore', $this->templateData);
} else {
Render::addTemplate('backup/_page');
}
}
private function backup()
{
$task = Taskmanager::submit('BackupRestore', array('mode' => 'backup'));
if (!isset($task['id'])) {
Message::addError('backup-failed');
Util::redirect('?do=Backup');
}
$task = Taskmanager::waitComplete($task, 3000);
if (!Taskmanager::isFinished($task) || !isset($task['data']['backupFile'])) {
Taskmanager::addErrorMessage($task);
Util::redirect('?do=Backup');
}
while ((@ob_get_level()) > 0)
@ob_end_clean();
$fh = @fopen($task['data']['backupFile'], 'rb');
if ($fh === false) {
Message::addError('error-read', $task['data']['backupFile']);
Util::redirect('?do=Backup');
}
Header('Content-Type: application/octet-stream', true);
Header('Content-Disposition: attachment; filename=' . 'satellite-backup_v' . Database::getExpectedSchemaVersion() . '_' . date('Y.m.d-H.i.s') . '.tgz');
Header('Content-Length: ' . @filesize($task['data']['backupFile']));
while (!feof($fh)) {
$data = fread($fh, 16000);
if ($data === false) {
EventLog::failure('Could not stream system backup to browser - backup corrupted!');
die("\r\n\nDOWNLOAD INTERRUPTED!\n");
}
echo $data;
@ob_flush();
@flush();
}
@fclose($fh);
@unlink($task['data']['backupFile']);
die();
}
private function restore()
{
if (!isset($_FILES['backupfile'])) {
Message::addError('missing-file');
Util::redirect('?do=Backup');
}
if ($_FILES['backupfile']['error'] != UPLOAD_ERR_OK) {
Message::addError('upload-failed', Util::uploadErrorString($_FILES['backupfile']['error']));
Util::redirect('?do=Backup');
}
$tempfile = '/tmp/bwlp-' . mt_rand(1, 100000) . '-' . crc32($_SERVER['REMOTE_ADDR']) . '.tgz';
if (!move_uploaded_file($_FILES['backupfile']['tmp_name'], $tempfile)) {
Message::addError('error-write', $tempfile);
Util::redirect('?do=Backup');
}
// Got uploaded file, now shut down all the daemons etc.
$parent = Trigger::stopDaemons(null, $this->templateData);
// Unmount store
$task = Taskmanager::submit('MountVmStore', array(
'address' => 'null',
'type' => 'images',
'parentTask' => $parent,
'failOnParentFail' => false
));
if (isset($task['id'])) {
$this->templateData['mountid'] = $task['id'];
$parent = $task['id'];
}
EventLog::info('Creating backup, v' . Database::getExpectedSchemaVersion() . ' on ' . Property::getServerIp());
// Finally run restore
$task = Taskmanager::submit('BackupRestore', array(
'mode' => 'restore',
'backupFile' => $tempfile,
'parentTask' => $parent,
'failOnParentFail' => false
));
if (isset($task['id'])) {
$this->templateData['restoreid'] = $task['id'];
$parent = $task['id'];
TaskmanagerCallback::addCallback($task, 'dbRestored');
}
// Wait a bit
$task = Taskmanager::submit('SleepTask', array(
'seconds' => 3,
'parentTask' => $parent,
'failOnParentFail' => false
));
if (isset($task['id']))
$parent = $task['id'];
// Reboot
$task = Taskmanager::submit('Reboot', array(
'parentTask' => $parent,
'failOnParentFail' => false
));
// Leave this comment so the i18n scanner finds it:
// Message::addSuccess('restore-done');
if (isset($task['id']))
$this->templateData['rebootid'] = $task['id'];
}
}
|
