Viewing file:  EncryptionServiceProvider.php (1.92 KB) -rw-r--r--
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<?php
namespace Illuminate\Encryption;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Str;
use Laravel\SerializableClosure\SerializableClosure;
class EncryptionServiceProvider extends ServiceProvider
{
/**
* Register the service provider.
*
* @return void
*/
public function register()
{
$this->registerEncrypter();
$this->registerSerializableClosureSecurityKey();
}
/**
* Register the encrypter.
*
* @return void
*/
protected function registerEncrypter()
{
$this->app->singleton('encrypter', function ($app) {
$config = $app->make('config')->get('app');
return new Encrypter($this->parseKey($config), $config['cipher']);
});
}
/**
* Configure Serializable Closure signing for security.
*
* @return void
*/
protected function registerSerializableClosureSecurityKey()
{
$config = $this->app->make('config')->get('app');
if (! class_exists(SerializableClosure::class) || empty($config['key'])) {
return;
}
SerializableClosure::setSecretKey($this->parseKey($config));
}
/**
* Parse the encryption key.
*
* @param array $config
* @return string
*/
protected function parseKey(array $config)
{
if (Str::startsWith($key = $this->key($config), $prefix = 'base64:')) {
$key = base64_decode(Str::after($key, $prefix));
}
return $key;
}
/**
* Extract the encryption key from the given configuration.
*
* @param array $config
* @return string
*
* @throws \Illuminate\Encryption\MissingAppKeyException
*/
protected function key(array $config)
{
return tap($config['key'], function ($key) {
if (empty($key)) {
throw new MissingAppKeyException;
}
});
}
}
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