Rotate Key Set Command

bin/jose

@@ -67,6 +67,7 @@ $application->add(new Console\OctKeysetGeneratorCommand($jsonConverter));
 $application->add(new Console\RsaKeysetGeneratorCommand($jsonConverter));
 $application->add(new Console\MergeKeysetCommand($jsonConverter));
 $application->add(new Console\PublicKeysetCommand($jsonConverter));
+$application->add(new Console\RotateKeysetCommand($jsonConverter));
 
 $application->add(new Console\OptimizeRsaKeyCommand($jsonConverter));
 $application->add(new Console\KeyAnalyzerCommand($jwkAnalyzerManager, $jsonConverter));

src/Component/Console/MergeKeysetCommand.php

@@ -20,7 +20,7 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * Class MergeKeysetCommand
+ * Class MergeKeysetCommand.
  */
 final class MergeKeysetCommand extends AbstractGeneratorCommand
 {
@@ -44,7 +44,7 @@ protected function configure()
         $this
             ->setName('keyset:convert:merge')
             ->setDescription('Merge several key sets into one.')
-            ->setHelp('This command merge several key sets into one. It is very useful when you generate e.g. RSA, EC and OKP keys and you want only one key set to rule them all.')
+            ->setHelp('This command merges several key sets into one. It is very useful when you generate e.g. RSA, EC and OKP keys and you want only one key set to rule them all.')
             ->addArgument('jwksets', InputArgument::REQUIRED | InputArgument::IS_ARRAY, 'The JWKSet objects')
         ;
     }

src/Component/Console/PublicKeysetCommand.php

@@ -20,7 +20,7 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * Class PublicKeysetCommand
+ * Class PublicKeysetCommand.
  */
 final class PublicKeysetCommand extends AbstractGeneratorCommand
 {

src/Component/Console/RotateKeysetCommand.php

@@ -0,0 +1,101 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2017 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Console;
+
+use Jose\Component\Core\Converter\JsonConverterInterface;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Class RotateKeysetCommand.
+ */
+final class RotateKeysetCommand extends AbstractGeneratorCommand
+{
+    /**
+     * KeyAnalyzerCommand constructor.
+     *
+     * @param JsonConverterInterface $jsonConverter
+     * @param string|null            $name
+     */
+    public function __construct(JsonConverterInterface $jsonConverter, string $name = null)
+    {
+        parent::__construct($jsonConverter, $name);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        parent::configure();
+        $this
+            ->setName('keyset:convert:rotate')
+            ->setDescription('Rotate a key set.')
+            ->setHelp('This command removes the last key in a key set a place a new one at the beginning.')
+            ->addArgument('jwkset', InputArgument::REQUIRED, 'The JWKSet object')
+            ->addArgument('jwk', InputArgument::REQUIRED, 'The new JWK object')
+        ;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $jwkset = $this->getKeyset($input)->all();
+        $jwk = $this->getKey($input);
+
+        if (0 !== count($jwkset)) {
+            array_pop($jwkset);
+        }
+        array_unshift($jwkset, $jwk);
+
+        $this->prepareJsonOutput($input, $output, JWKSet::createFromKeys($jwkset));
+    }
+
+    /**
+     * @param InputInterface $input
+     *
+     * @return JWKSet
+     */
+    private function getKeyset(InputInterface $input): JWKSet
+    {
+        $jwkset = $input->getArgument('jwkset');
+        $json = $this->jsonConverter->decode($jwkset);
+        if (is_array($json)) {
+            return JWKSet::createFromKeyData($json);
+        }
+
+        throw new \InvalidArgumentException('The argument must be a valid JWKSet.');
+    }
+
+    /**
+     * @param InputInterface $input
+     *
+     * @return JWK
+     */
+    private function getKey(InputInterface $input): JWK
+    {
+        $jwkset = $input->getArgument('jwk');
+        $json = $this->jsonConverter->decode($jwkset);
+        if (is_array($json)) {
+            return JWK::create($json);
+        }
+
+        throw new \InvalidArgumentException('The argument must be a valid JWK.');
+    }
+}