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2024-08-05 22:57:28 +08:00
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+<?php
+
+/*
+ * This file is part of the Acme PHP project.
+ *
+ * (c) Titouan Galopin <galopintitouan@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace AcmePhp\Ssl;
+
+use Webmozart\Assert\Assert;
+
+/**
+ * Represent a SSL key.
+ *
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+abstract class Key
+{
+    /** @var string */
+    protected $keyPEM;
+
+    public function __construct(string $keyPEM)
+    {
+        Assert::stringNotEmpty($keyPEM, __CLASS__.'::$keyPEM should not be an empty string. Got %s');
+
+        $this->keyPEM = $keyPEM;
+    }
+
+    public function getPEM(): string
+    {
+        return $this->keyPEM;
+    }
+
+    public function getDER(): string
+    {
+        $lines = explode("\n", trim($this->keyPEM));
+        unset($lines[\count($lines) - 1]);
+        unset($lines[0]);
+        $result = implode('', $lines);
+        $result = base64_decode($result);
+
+        return $result;
+    }
+
+    /**
+     * @return resource|\OpenSSLAsymmetricKey
+     */
+    abstract public function getResource();
+}