1 files changed, 97 insertions, 0 deletions

diff --git a/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php b/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php
new file mode 100644
index 0000000..7e26d79
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php
@@ -0,0 +1,97 @@
+<?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 CompactSerializer extends Serializer
+{
+    public const NAME = 'jws_compact';
+
+    /**
+     * @var JsonConverter
+     */
+    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 Compact';
+    }
+
+    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);
+        if (!empty($signature->getHeader())) {
+            throw new \LogicException('The signature contains unprotected header parameters and cannot be converted into compact JSON.');
+        }
+        if (!$this->isPayloadEncoded($signature->getProtectedHeader()) && !empty($jws->getEncodedPayload())) {
+            if (1 !== \preg_match('/^[\x{20}-\x{2d}|\x{2f}-\x{7e}]*$/u', $jws->getPayload())) {
+                throw new \LogicException('Unable to convert the JWS with non-encoded payload.');
+            }
+        }
+
+        return \sprintf(
+            '%s.%s.%s',
+            $signature->getEncodedProtectedHeader(),
+            $jws->getEncodedPayload(),
+            Base64Url::encode($signature->getSignature())
+        );
+    }
+
+    public function unserialize(string $input): JWS
+    {
+        $parts = \explode('.', $input);
+        if (3 !== \count($parts)) {
+            throw new \InvalidArgumentException('Unsupported input');
+        }
+
+        try {
+            $encodedProtectedHeader = $parts[0];
+            $protectedHeader = $this->jsonConverter->decode(Base64Url::decode($parts[0]));
+            if (empty($parts[1])) {
+                $payload = null;
+                $encodedPayload = null;
+            } else {
+                $encodedPayload = $parts[1];
+                $payload = $this->isPayloadEncoded($protectedHeader) ? Base64Url::decode($encodedPayload) : $encodedPayload;
+            }
+            $signature = Base64Url::decode($parts[2]);
+
+            $jws = JWS::create($payload, $encodedPayload, empty($parts[1]));
+            $jws = $jws->addSignature($signature, $protectedHeader, $encodedProtectedHeader);
+
+            return $jws;
+        } catch (\Error | \Exception $e) {
+            throw new \InvalidArgumentException('Unsupported input');
+        }
+    }
+}