Primo Committ

vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Illuminate\Encryption;
+
+use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Str;
+use Opis\Closure\SerializableClosure;
+use RuntimeException;
+
+class EncryptionServiceProvider extends ServiceProvider
+{
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->registerEncrypter();
+        $this->registerOpisSecurityKey();
+    }
+
+    /**
+     * 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 Opis Closure signing for security.
+     *
+     * @return void
+     */
+    protected function registerOpisSecurityKey()
+    {
+        $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 \RuntimeException
+     */
+    protected function key(array $config)
+    {
+        return tap($config['key'], function ($key) {
+            if (empty($key)) {
+                throw new RuntimeException(
+                    'No application encryption key has been specified.'
+                );
+            }
+        });
+    }
+}