From 50404f3b23b7fd6aeae4c9d2f6df0ea25e984e66 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 3 May 2016 19:03:09 +0200
Subject: WIP

---
 modules-available/backup/page.inc.php | 164 ++++++++++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 modules-available/backup/page.inc.php

(limited to 'modules-available/backup/page.inc.php')

diff --git a/modules-available/backup/page.inc.php b/modules-available/backup/page.inc.php
new file mode 100644
index 00000000..4095f875
--- /dev/null
+++ b/modules-available/backup/page.inc.php
@@ -0,0 +1,164 @@
+<?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('restore', $this->templateData);
+		} else {
+			Render::addScriptBottom('fileselect');
+			Render::addTemplate('_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, 30000);
+		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' => $parent,
+				'failOnParentFail' => false,
+				'restoreOpenslx' => Request::post('restore_openslx', 'off') === 'on',
+				'restoreDozmod' => Request::post('restore_dozmod', 'off') === 'on',
+		));
+		if (isset($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'] = $task['id'];
+	}
+	private function stopDaemons($parent)
+	{
+		$task = Taskmanager::submit('SyncdaemonLauncher', array(
+				'operation' => 'stop',
+				'parentTask' => $parent,
+				'failOnParentFail' => false
+		));
+		if (isset($task['id'])) {
+			$this->templateData['syncid'] = $task['id'];
+			$parent = $task['id'];
+		}
+		$task = Taskmanager::submit('DozmodLauncher', array(
+				'operation' => 'stop',
+				'parentTask' => $parent,
+				'failOnParentFail' => false
+		));
+		if (isset($task['id'])) {
+			$this->templateData['dmsdid'] = $task['id'];
+			$parent = $task['id'];
+		}
+		$task = Taskmanager::submit('LdadpLauncher', array(
+				'ids' => array(),
+				'parentTask' => $parent,
+				'failOnParentFail' => false
+		));
+		if (isset($task['id'])) {
+			$this->templateData['ldadpid'] = $task['id'];
+			$parent = $task['id'];
+		}
+		return $parent;
+	}
+}
-- 
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