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Revision Autor Zeilennr. Zeile
148 lars 1 
<?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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        });
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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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}