1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php b/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php
new file mode 100644
index 0000000..82b79ab
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 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\Signature\Serializer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Signature\JWS;
+
+final class JSONFlattenedSerializer extends Serializer
+{
+    public const NAME = 'jws_json_flattened';
+
+    /**
+     * @var JsonConverter|\Jose\Component\Core\Util\JsonConverter|null
+     */
+    private $jsonConverter;
+
+    /**
+     * JSONFlattenedSerializer constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter = null)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+    }
+
+    public function displayName(): string
+    {
+        return 'JWS JSON Flattened';
+    }
+
+    public function name(): string
+    {
+        return self::NAME;
+    }
+
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (null === $signatureIndex) {
+            $signatureIndex = 0;
+        }
+        $signature = $jws->getSignature($signatureIndex);
+
+        $data = [];
+        $values = [
+            'payload' => $jws->getEncodedPayload(),
+            'protected' => $signature->getEncodedProtectedHeader(),
+            'header' => $signature->getHeader(),
+        ];
+
+        foreach ($values as $key => $value) {
+            if (!empty($value)) {
+                $data[$key] = $value;
+            }
+        }
+        $data['signature'] = Base64Url::encode($signature->getSignature());
+
+        return $this->jsonConverter->encode($data);
+    }
+
+    public function unserialize(string $input): JWS
+    {
+        $data = $this->jsonConverter->decode($input);
+        if (!\is_array($data) || !\array_key_exists('signature', $data)) {
+            throw new \InvalidArgumentException('Unsupported input.');
+        }
+
+        $signature = Base64Url::decode($data['signature']);
+
+        if (\array_key_exists('protected', $data)) {
+            $encodedProtectedHeader = $data['protected'];
+            $protectedHeader = $this->jsonConverter->decode(Base64Url::decode($data['protected']));
+        } else {
+            $encodedProtectedHeader = null;
+            $protectedHeader = [];
+        }
+        if (\array_key_exists('header', $data)) {
+            if (!\is_array($data['header'])) {
+                throw new \InvalidArgumentException('Bad header.');
+            }
+            $header = $data['header'];
+        } else {
+            $header = [];
+        }
+
+        if (\array_key_exists('payload', $data)) {
+            $encodedPayload = $data['payload'];
+            $payload = $this->isPayloadEncoded($protectedHeader) ? Base64Url::decode($encodedPayload) : $encodedPayload;
+        } else {
+            $payload = null;
+            $encodedPayload = null;
+        }
+
+        $jws = JWS::create($payload, $encodedPayload, null === $encodedPayload);
+        $jws = $jws->addSignature($signature, $protectedHeader, $encodedProtectedHeader, $header);
+
+        return $jws;
+    }
+}