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