49 lines
1.3 KiB
PHP
49 lines
1.3 KiB
PHP
<?php
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namespace Illuminate\Encryption;
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use RuntimeException;
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use Illuminate\Support\Str;
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use Illuminate\Support\ServiceProvider;
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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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$this->app->singleton('encrypter', function ($app) {
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$config = $app->make('config')->get('app');
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// If the key starts with "base64:", we will need to decode the key before handing
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// it off to the encrypter. Keys may be base-64 encoded for presentation and we
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// want to make sure to convert them back to the raw bytes before encrypting.
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if (Str::startsWith($key = $this->key($config), 'base64:')) {
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$key = base64_decode(substr($key, 7));
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}
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return new Encrypter($key, $config['cipher']);
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});
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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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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 RuntimeException(
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'No application encryption key has been specified.'
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);
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}
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});
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}
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}
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