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omar-mostro/file-vault
======================

045PHP

Since May 2Pushed 1y agoCompare

[ Source](https://github.com/omar-mostro/file-vault)[ Packagist](https://packagist.org/packages/omar-mostro/file-vault)[ RSS](/packages/omar-mostro-file-vault/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependenciesVersions (1)Used By (0)

File encryption / decryption in Laravel
=======================================

[](#file-encryption--decryption-in-laravel)

[![Latest Version on Packagist](https://camo.githubusercontent.com/78c7a37497b7164f0fcd92ca3b0c45604c9ed7fa9e5253e221da5e27339a4bb0/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f627261696e737475642f66696c652d7661756c742e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/brainstud/file-vault)[![MIT Licensed](https://camo.githubusercontent.com/55c0218c8f8009f06ad4ddae837ddd05301481fcf0dff8e0ed9dadda8780713e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d627269676874677265656e2e7376673f7374796c653d666c61742d737175617265)](LICENSE.md)[![Total Downloads](https://camo.githubusercontent.com/b6464221b4ab06b502b27d1fa0bccb12242d47f5515c88203cbc86492b7ff7db/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f627261696e737475642f66696c652d7661756c742e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/brainstud/file-vault)

With this package, you can encrypt and decrypt files of any size in your Laravel project. This package uses streams and [CBC encryption](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_(CBC)), encrypting / decrypting a segment of data at a time.

Fork
----

[](#fork)

This package is forked from [soarecostin/file-vault](https://github.com/soarecostin/file-vault) to add Laravel 9 support.

Installation and usage
----------------------

[](#installation-and-usage)

This package requires PHP 8.0 and Laravel 8.0 or higher.

You can install the package via composer:

```
composer require brainstud/file-vault
```

Usage
-----

[](#usage)

### Tutorials

[](#tutorials)

For a detailed description of how to encrypt files in Laravel using this package, please see the following articles:

- [Part 1: How to encrypt large files in Laravel](https://medium.com/swlh/how-to-encrypt-large-files-in-laravel-293460836ded?source=friends_link&sk=976ab6e5d1cfb52e10c801fe0cb04fca)
- [Part 2: How to encrypt &amp; upload large files to Amazon S3 in Laravel](https://medium.com/@soarecostin/how-to-encrypt-upload-large-files-to-amazon-s3-in-laravel-af88324a9aa?sk=a9a358a3892e898a60448d5314fb3dc0)

### Description

[](#description)

This package will automatically register a facade called `FileVault`. The `FileVault` facade is using the Laravel `Storage` and will allow you to specify a `disk`, just as you would normally do when working with Laravel Storage. All file names/paths that you will have to pass into the package encrypt/decrypt functions are relative to the disk root folder. By default, the `local` disk is used, but you can either specify a different disk each time you call one of `FileVault` methods, or you can set the default disk to something else, by publishing this package's config file.

If you want to change the default `disk` or change the `key`/`cipher` used for encryption, you can publish the config file:

```
php artisan vendor:publish --provider="Brainstud\FileVault\FileVaultServiceProvider"

```

This is the contents of the published file:

```
return [
    /*
     * The default key used for all file encryption / decryption
     * This package will look for a FILE_VAULT_KEY in your env file
     * If no FILE_VAULT_KEY is found, then it will use your Laravel APP_KEY
     */
    'key' => env('FILE_VAULT_KEY', env('APP_KEY')),

    /*
     * The cipher used for encryption.
     * Supported options are AES-128-CBC and AES-256-CBC
     */
    'cipher' => 'AES-256-CBC',

    /*
     * The Storage disk used by default to locate your files.
     */
    'disk' => 'local',
];
```

### Encrypting a file

[](#encrypting-a-file)

The `encrypt` method will search for a file, encrypt it and save it in the same directory, while deleting the original file.

```
public function encrypt(string $sourceFile, string $destFile = null, $deleteSource = true)
```

The `encryptCopy` method will search for a file, encrypt it and save it in the same directory, while preserving the original file.

```
public function encryptCopy(string $sourceFile, string $destFile = null)
```

#### Examples:

[](#examples)

The following example will search for `file.txt` into the `local` disk, save the encrypted file as `file.txt.enc` and delete the original `file.txt`:

```
FileVault::encrypt('file.txt');
```

You can also specify a different `disk`, just as you would normally with the Laravel `Storage` facade:

```
FileVault::disk('s3')->encrypt('file.txt');
```

You can also specify a different name for the encrypted file by passing in a second parameter. The following example will search for `file.txt` into the `local` disk, save the encrypted file as `encrypted.txt` and delete the original `file.txt`:

```
FileVault::encrypt('file.txt', 'encrypted.txt');
```

The following examples both achieve the same results as above, with the only difference that the original file is not deleted:

```
// save the encrypted copy to file.txt.enc
FileVault::encryptCopy('file.txt');

// or save the encrypted copy with a different name
FileVault::encryptCopy('file.txt', 'encrypted.txt');
```

### Decrypting a file

[](#decrypting-a-file)

The `decrypt` method will search for a file, decrypt it and save it in the same directory, while deleting the encrypted file.

```
public function decrypt(string $sourceFile, string $destFile = null, $deleteSource = true)
```

The `decryptCopy` method will search for a file, decrypt it and save it in the same directory, while preserving the encrypted file.

```
public function decryptCopy(string $sourceFile, string $destFile = null)
```

#### Examples:

[](#examples-1)

The following example will search for `file.txt.enc` into the `local` disk, save the decrypted file as `file.txt` and delete the encrypted file `file.txt.enc`:

```
FileVault::decrypt('file.txt.enc');
```

If the file that needs to be decrypted doesn't end with the `.enc` extension, the decrypted file will have the `.dec` extention. The following example will search for `encrypted.txt` into the `local` disk, save the decrypted file as `encrypted.txt.dec` and delete the encrypted file `encrypted.txt`:

```
FileVault::decrypt('encrypted.txt');
```

As with the encryption, you can also specify a different `disk`, just as you would normally with the Laravel `Storage` facade:

```
FileVault::disk('s3')->decrypt('file.txt.enc');
```

You can also specify a different name for the decrypted file by passing in a second parameter. The following example will search for `encrypted.txt` into the `local` disk, save the decrypted file as `decrypted.txt` and delete the original `encrypted.txt`:

```
FileVault::decrypt('encrypted.txt', 'decrypted.txt');
```

The following examples both achive the same results as above, with the only difference that the original (encrypted) file is not deleted:

```
// save the decrypted copy to file.txt while preserving file.txt.enc
FileVault::decryptCopy('file.txt.enc');

// or save the decrypted copy with a different name, while preserving the file.txt.enc
FileVault::decryptCopy('file.txt.enc', 'decrypted.txt');
```

### Streaming a decrypted file

[](#streaming-a-decrypted-file)

Sometimes you will only want to allow users to download the decrypted file, but you don't need to store the actual decrypted file. For this, you can use the `streamDecrypt` function that will decrypt the file and will write it to the `php://output` stream. You can use the Laravel [`streamDownload` method](https://laravel.com/docs/6.x/responses#file-downloads) (available since 5.6) in order to generate a downloadable response:

```
return response()->streamDownload(function () {
    FileVault::streamDecrypt('file.txt')
}, 'laravel-readme.md');
```

### Using a different key for each file

[](#using-a-different-key-for-each-file)

You may need to use different keys to encrypt your files. You can explicitly specify the key used for encryption using the `key` method.

```
FileVault::key($encryptionKey)->encrypt('file.txt');
```

Please note that the encryption key must be 16 bytes long for the `AES-128-CBC` cipher and 32 bytes long for the `AES-256-CBC` cipher.

You can generate a key with the correct length (based on the cipher specified in the config file) by using the `generateKey` method:

```
$encryptionKey = FileVault::generateKey();
```

Testing
-------

[](#testing)

Run the tests with:

```
composer test
```

### Changelog

[](#changelog)

Please see [CHANGELOG](CHANGELOG.md) for more information what has changed recently.

Contributing
------------

[](#contributing)

Please see [CONTRIBUTING](CONTRIBUTING.md) for details.

### Security

[](#security)

If you discover any security related issues, please email  instead of using the issue tracker.

Credits
-------

[](#credits)

- [Brainstud](https://github.com/brainstudnl)
- [Costin Soare](https://github.com/soarecostin)

License
-------

[](#license)

The MIT License (MIT). Please see [License File](LICENSE.md) for more information.

Laravel Package Boilerplate
---------------------------

[](#laravel-package-boilerplate)

This package was generated using the [Laravel Package Boilerplate](https://laravelpackageboilerplate.com).

###  Health Score

18

—

LowBetter than 8% of packages

Maintenance38

Infrequent updates — may be unmaintained

Popularity8

Limited adoption so far

Community10

Small or concentrated contributor base

Maturity14

Early-stage or recently created project

 Bus Factor1

Top contributor holds 77.3% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

### Community

Maintainers

![](https://www.gravatar.com/avatar/8195c4926fe4f41f81b0953c893b5520cda3695f5332be52980f6595b04b76f5?d=identicon)[omar-mostro](/maintainers/omar-mostro)

---

Top Contributors

[![soarecostin](https://avatars.githubusercontent.com/u/6401790?v=4)](https://github.com/soarecostin "soarecostin (34 commits)")[![niekp](https://avatars.githubusercontent.com/u/19265518?v=4)](https://github.com/niekp "niekp (5 commits)")[![omar-mostro](https://avatars.githubusercontent.com/u/8531363?v=4)](https://github.com/omar-mostro "omar-mostro (3 commits)")[![breadthe](https://avatars.githubusercontent.com/u/17433578?v=4)](https://github.com/breadthe "breadthe (2 commits)")

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