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UNIT3D-Community-Edition/app/Helpers/BackupEncryption.php
T
HDVinnie 51719ec5b1 (Update) Backup Manger 🔐
- Add Extra Security Measures To Backups!
- We simply listen for when the .zip-file generated by the backupmanger is done, grabs it and applies your password and encryption of your liking.

- NOTE:

Encryption Types:

\App\Helpers\BackupEncryption::ENCRYPTION_DEFAULT (PKWARE/ZipCrypto)
\App\Helpers\BackupEncryption::ENCRYPTION_WINZIP_AES_128 (AES 128)
\App\Helpers\BackupEncryption::ENCRYPTION_WINZIP_AES_192 (AES 192)
\App\Helpers\BackupEncryption::ENCRYPTION_WINZIP_AES_256 (AES 256)

Important information regarding encryption:

Using the ENCRYPTION_DEFAULT (PKWARE/ZipCrypto) crypto gives you the best portability as most operating systems can natively unzip the file – however, ZipCrypto might be weak. The Winzip AES-methods on the other hand might require a separate app and/or licence to be able to unzip depending on your OS; suggestions for macOS are Keka and Stuffit Expander.

Also to note is that when zipping very large files ZipCrypto might be very inefficient as the entire data-set will have to be loaded into memory to perform the encryption, if the zipped file's content is bigger than your available RAM you will run out of memory.

Password:

The default is the application key (APP_KEY in your .env-file). You might want to set something more appropriate. Remember to use long strings and to keep your password safe – without it you will never be able to open your backup. Set to NULL if you want to keep your backup without a password.
2019-02-13 13:46:45 -05:00

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PHP

<?php
/**
* NOTICE OF LICENSE.
*
* UNIT3D is open-sourced software licensed under the GNU General Public License v3.0
* The details is bundled with this project in the file LICENSE.txt.
*
* @project UNIT3D
*
* @license https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
* @author HDVinnie
*/
namespace App\Helpers;
use PhpZip\ZipFile;
class BackupEncryption
{
const ENCRYPTION_DEFAULT = ZipFile::ENCRYPTION_METHOD_TRADITIONAL;
const ENCRYPTION_WINZIP_AES_128 = ZipFile::ENCRYPTION_METHOD_WINZIP_AES_128;
const ENCRYPTION_WINZIP_AES_192 = ZipFile::ENCRYPTION_METHOD_WINZIP_AES_192;
const ENCRYPTION_WINZIP_AES_256 = ZipFile::ENCRYPTION_METHOD_WINZIP_AES_256;
}