added predis and eseye back in.

vendor/web-token/jwt-checker/AlgorithmChecker.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2020 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\Checker;
+
+use function in_array;
+use function is_string;
+
+/**
+ * This class is a header parameter checker.
+ * When the "alg" header parameter is present, it will check if the value is within the allowed ones.
+ */
+final class AlgorithmChecker implements HeaderChecker
+{
+    private const HEADER_NAME = 'alg';
+
+    /**
+     * @var bool
+     */
+    private $protectedHeader = false;
+
+    /**
+     * @var string[]
+     */
+    private $supportedAlgorithms;
+
+    /**
+     * @param string[] $supportedAlgorithms
+     */
+    public function __construct(array $supportedAlgorithms, bool $protectedHeader = false)
+    {
+        $this->supportedAlgorithms = $supportedAlgorithms;
+        $this->protectedHeader = $protectedHeader;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function checkHeader($value): void
+    {
+        if (!is_string($value)) {
+            throw new InvalidHeaderException('"alg" must be a string.', self::HEADER_NAME, $value);
+        }
+        if (!in_array($value, $this->supportedAlgorithms, true)) {
+            throw new InvalidHeaderException('Unsupported algorithm.', self::HEADER_NAME, $value);
+        }
+    }
+
+    public function supportedHeader(): string
+    {
+        return self::HEADER_NAME;
+    }
+
+    public function protectedHeaderOnly(): bool
+    {
+        return $this->protectedHeader;
+    }
+}