From f3086956b2957c4e7b1ced45a2b4498abd6af743 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20Schro=CC=88der?= <schteffens@gmail.com>
Date: Fri, 2 May 2014 04:02:20 +0200
Subject: [PATCH] class for creating backups

---
 application/core/Files/BackupUtil.php | 111 ++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 application/core/Files/BackupUtil.php

diff --git a/application/core/Files/BackupUtil.php b/application/core/Files/BackupUtil.php
new file mode 100644
index 00000000..66583762
--- /dev/null
+++ b/application/core/Files/BackupUtil.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace ManiaControl\Files;
+
+/**
+ * Backup Utility Class
+ * 
+ * @author ManiaControl Team
+ * @copyright ManiaControl Copyright © 2014 ManiaControl Team
+ * @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
+ */
+abstract class BackupUtil {
+	/*
+	 * Constants
+	 */
+	const FOLDER_NAME_BACKUP = '/backup/';
+
+	/**
+	 * Perform a Full Backup of ManiaControl
+	 * 
+	 * @return bool
+	 */
+	public static function performFullBackup() {
+		$backupFolder = self::getBackupFolder();
+		$backupFileName = $backupFolder . 'backup_' . ManiaControl::VERSION . '_' . date('y-m-d') . '_' . time() . '.zip';
+		$backupZip = new \ZipArchive();
+		if ($backupZip->open($backupFileName, \ZipArchive::CREATE) !== TRUE) {
+			trigger_error("Couldn't create Backup Zip!");
+			return false;
+		}
+		$excludes = array('.', '..', 'backup', 'logs', 'ManiaControl.log');
+		$pathInfo = pathInfo(ManiaControlDir);
+		$parentPath = $pathInfo['dirname'] . '/';
+		$dirName = $pathInfo['basename'];
+		$backupZip->addEmptyDir($dirName);
+		$this->zipDirectory($backupZip, ManiaControlDir, strlen($parentPath), $excludes);
+		$backupZip->close();
+		return true;
+	}
+
+	/**
+	 * Perform a Backup of the Plugins
+	 * 
+	 * @return bool
+	 */
+	public static function performPluginsBackup() {
+		$backupFolder = self::getBackupFolder();
+		$backupFileName = $backupFolder . 'backup_plugins_' . date('y-m-d') . '_' . time() . '.zip';
+		$backupZip = new \ZipArchive();
+		if ($backupZip->open($backupFileName, \ZipArchive::CREATE) !== TRUE) {
+			trigger_error("Couldn't create Backup Zip!");
+			return false;
+		}
+		$excludes = array('.', '..');
+		$pathInfo = pathInfo(ManiaControlDir . '/plugins');
+		$parentPath = $pathInfo['dirname'] . '/';
+		$dirName = $pathInfo['basename'];
+		$backupZip->addEmptyDir($dirName);
+		$this->zipDirectory($backupZip, ManiaControlDir . '/plugins', strlen($parentPath), $excludes);
+		$backupZip->close();
+		return true;
+	}
+
+	/**
+	 * Get the Backup Folder Path and create it if necessary
+	 * 
+	 * @return string
+	 */
+	private static function getBackupFolder() {
+		$backupFolder = ManiaControlDir . self::FOLDER_NAME_BACKUP;
+		if (!is_dir($backupFolder)) {
+			mkdir($backupFolder);
+		}
+		return $backupFolder;
+	}
+
+	/**
+	 * Add a complete Directory to the ZipArchive
+	 * 
+	 * @param \ZipArchive $zipArchive
+	 * @param string $folderName
+	 * @param int $prefixLength
+	 * @param array $excludes
+	 * @return bool
+	 */
+	private static function zipDirectory(\ZipArchive &$zipArchive, $folderName, $prefixLength, array $excludes = array()) {
+		$folderHandle = opendir($folderName);
+		if (!$folderHandle) {
+			trigger_error("Couldn't open Folder '{$folderName}' for Backup!");
+			return false;
+		}
+		while (false !== ($file = readdir($folderHandle))) {
+			if (in_array($file, $excludes)) {
+				continue;
+			}
+			$filePath = $folderName . '/' . $file;
+			$localPath = substr($filePath, $prefixLength);
+			if (is_file($filePath)) {
+				$zipArchive->addFile($filePath, $localPath);
+				continue;
+			}
+			if (is_dir($filePath)) {
+				$zipArchive->addEmptyDir($localPath);
+				$this->zipDirectory($zipArchive, $filePath, $prefixLength, $excludes);
+				continue;
+			}
+		}
+		closedir($folderHandle);
+		return true;
+	}
+}