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spatie/laravel-personal-data-export

spatie/laravel-personal-data-export

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Last Updated: 2023-09-13 09:48:55

#download #personal #zip #gdpr

Create zip files containing personal data

License: MIT License

Languages: PHP

https://freek.dev/1290-a-package-to-create-personal-data-exports

Create zip files containing personal data

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This package makes it easy to let a user download an export containing all the personal data. Such an export consists of a zip file containing all the user properties and related info.

You can create and mail such a zip by dispatching the CreatePersonalDataExportJob job:

// somewhere in your app

use Spatie\PersonalDataExport\Jobs\CreatePersonalDataExportJob;

// ...

dispatch(new CreatePersonalDataExportJob(auth()->user()));

The package will create a zip containing all the personal data. When the zip has been created, a link to it will be mailed to the user. By default, the zips are saved in a non-public location, and the user should be logged in to be able to download the zip.

You can configure which data will be exported in the selectPersonalData method on the user.

// in your User model

public function selectPersonalData(PersonalDataSelection $personalDataSelection): void {
    $personalDataSelection
        ->add('user.json', ['name' => $this->name, 'email' => $this->email])
        ->addFile(storage_path("avatars/{$this->id}.jpg"))
        ->addFile('other-user-data.xml', 's3');
}

You can store files in a directory of the archive. For this, add the directory path as the third parameter.

public function selectPersonalData(PersonalDataSelection $personalDataSelection): void {
    $personalDataSelection
        ->addFile(storage_path("avatars/{$this->id}.jpg"), directory: 'avatars');
}

This package also offers an artisan command to remove old zip files.

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Installation

You can install the package via composer:

composer require spatie/laravel-personal-data-export

You need to use this macro in your routes file. It'll register a route where users can download their personal data exports.

// in your routes file

Route::personalDataExports('personal-data-exports');

You must add a disk named personal-data-exports to config/filesystems (the name of the disk can be configured in config/personal-data-export). You can use any driver that you want. We recommend that your disk is not publicly accessible. If you're using the local driver, make sure you use a path that is not inside the public path of your app.

// in config/filesystems.php

// ...

'disks' => [

    'personal-data-exports' => [
        'driver' => 'local',
        'root' => storage_path('app/personal-data-exports'),
    ],

// ...

To automatically clean up older personal data exports, you can schedule this command in your console kernel:

// app/Console/Kernel.php

protected function schedule(Schedule $schedule)
{
   $schedule->command('personal-data-export:clean')->daily();
}

Optionally, you can publish the config file with:

php artisan vendor:publish --provider="Spatie\PersonalDataExport\PersonalDataExportServiceProvider" --tag="personal-data-export-config"

This is the content of the config file, which will be published at config/personal-data-export.php:

return [
    /*
     * The disk where the exports will be stored by default.
     */
    'disk' => 'personal-data-exports',

    /*
     * The amount of days the exports will be available.
     */
    'delete_after_days' => 5,

    /*
     * Determines whether the user should be logged in to be able
     * to access the export.
     */
    'authentication_required' => true,

    /*
     * The notification which will be sent to the user when the export
     * has been created.
     */
    'notification' => \Spatie\PersonalDataExport\Notifications\PersonalDataExportedNotification::class,

    /*
     * Configure the queue and connection used by `CreatePersonalDataExportJob`
     * which will create the export.
     */
    'job' => [
        'queue' => null,
        'connection' => null,
    ],
];

Usage

Selecting personal data

First, you'll have to prepare your user model. You should let your model implement the Spatie\PersonalDataExport\ExportsPersonalData interface. This is what that interface looks like:

namespace Spatie\PersonalDataExport;

interface ExportsPersonalData
{
    public function selectPersonalData(PersonalDataSelection $personalDataSelection): void;

    public function personalDataExportName(): string;
}

The selectPersonalData is used to determine the content of the personal download. Here's an example implementation:

// in your user model

public function selectPersonalData(PersonalDataSelection $personalDataSelection): void {
    $personalDataSelection
        ->add('user.json', ['name' => $this->name, 'email' => $this->email])
        ->addFile(storage_path("avatars/{$this->id}.jpg"))
        ->addFile('other-user-data.xml', 's3');
}

$personalData is used to determine the content of the zip file that the user will be able to download. You can call these methods on it:

  • add: the first parameter is the name of the file in the inside the zip file. The second parameter is the content that should go in that file. If you pass an array here, we will encode it to JSON.
  • addFile: the first parameter is a path to a file which will be copied to the zip. You can also add a disk name as the second parameter.

The name of the export itself can be set using the personalDataExportName on the user. This will only affect the name of the download that will be sent as a response to the user, not the name of the zip stored on disk.

// on your user

public function personalDataExportName(): string {
    $userName = Str::slug($this->name);

    return "personal-data-{$userName}.zip";
}

Creating an export

You can create a personal data export by executing this job somewhere in your application:

// somewhere in your app

use Spatie\PersonalDataExport\Jobs\CreatePersonalDataExportJob;

// ...

dispatch(new CreatePersonalDataExportJob(auth()->user()));

By default, this job is queued. It will copy all files and content you selected in the selectPersonalData on your user to a temporary directory. Next, that temporary directory will be zipped and copied over to the personal-data-exports disk. A link to this zip will be mailed to the user.

Securing the export

We recommend that the personal-data-exports disk is not publicly accessible. If you're using the local driver for this disk, make sure you use a path that is not inside the public path of your app.

When the user clicks the download link in the mail that gets sent after creating the export, a request will be sent to underlying PersonalDataExportController. This controller will check if there is a user logged in and if the request personal data zip belongs to the user. If this is the case, that controller will stream the zip to the user.

If you don't want to enforce that a user should be logged in to able to download a personal data export, you can set the authentication_required config value to false. Setting the value to false is less secure because anybody with a link to a zip file will be able to download it, but because the name of the zip file contains many random characters, it will be hard to guess it.

Translating the notification

You need to publish the translations:

php artisan vendor:publish --provider="Spatie\PersonalDataExport\PersonalDataExportServiceProvider" --tag="personal-data-export-translations"

Customizing the mail

You can customize the mailable itself by creating your own mailable that extends Spatie\PersonalDataExport\Notifications\PersonalDataExportedNotification and register the class name of your mailable in the mailable config key of config/personal-data-export.php.

Here is an example:

use Spatie\PersonalDataExport\Notifications\PersonalDataExportedNotification as SpatiePersonalDataExportedNotification;
class PersonalDataExportedNotification extends SpatiePersonalDataExportedNotification
{
    public function via($notifiable)
    {
        return ['mail'];
    }
    public function toMail($notifiable)
    {
        $downloadUrl = route('personal-data-exports', $this->zipFilename);
        if (static::$toMailCallback) {
            return call_user_func(static::$toMailCallback, $notifiable, $downloadUrl);
        }
        return (new MailMessage)
            ->subject(trans('personal-data-exports.notifications.subject'))
            ->line(trans('personal-data-exports.notifications.instructions'))
            ->action(trans('personal-data-exports.notifications.action'), $downloadUrl)
            ->line(trans('personal-data-exports.notifications.deletion_message', ['date' => $this->deletionDatetime->format('Y-m-d H:i:s')]));
    }
}

Then register the class name of your mailable in the mailable config key of config/personal-data-export.php

    /*
     * Something like that
     */
    'notification' => \App\Notifications\PersonalDataExportedNotification::class,

Customizing the queue

You can customize the job that creates the zip file and mails it by extending the Spatie\PersonalDataExport\Jobs\CreatePersonalDataExportJob and dispatching your own custom job class.

use Spatie\PersonalDataExport\Jobs\CreatePersonalDataExportJob;

class MyCustomJobClass extends CreatePersonalDataExportJob
{
    public $queue = 'my-custom-queue';
}
dispatch(new MyCustomJobClass(auth()->user()));

Events

PersonalDataSelected

This event will be fired after the personal data has been selected. It has two public properties:

  • $personalData: an instance of PersonalData. In your listeners you can call the add, addFile methods on this object to add extra content to the zip.
  • $user: the user for which this personal data has been selected.

PersonalDataExportCreated

This event will be fired after the personal data zip has been created. It has two public properties:

  • $zipFilename: the name of the zip filename.
  • $user: the user for which this zip has been created.

PersonalDataExportDownloaded

This event will be fired after the export has been download. It has two public properties:

  • $zipFilename: the name of the zip filename.
  • $user: the user for which this zip has been created.

You could use this event to immediately clean up the downloaded zip.

Testing

You can run all tests by issuing this command:

composer test

Changelog

Please see CHANGELOG for more information on what has changed recently.

Contributing

Please see CONTRIBUTING for details.

Security

If you've found a bug regarding security please mail [email protected] instead of using the issue tracker.

Credits

License

The MIT License (MIT). Please see License File for more information.

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