primo commit

libraries/vendor/web-token/jwt-library/Encryption/Compression/CompressionMethodManager.php

@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Encryption\Compression;
+
+use InvalidArgumentException;
+use function array_key_exists;
+
+/**
+ * @deprecated This class is deprecated and will be removed in v4.0. Compression is not recommended for JWE.
+ */
+class CompressionMethodManager
+{
+    /**
+     * @var CompressionMethod[]
+     */
+    private array $compressionMethods = [];
+
+    /**
+     * @param CompressionMethod[] $methods
+     */
+    public function __construct(iterable $methods = [])
+    {
+        foreach ($methods as $method) {
+            $this->add($method);
+        }
+    }
+
+    /**
+     * Returns true if the givn compression method is supported.
+     */
+    public function has(string $name): bool
+    {
+        return array_key_exists($name, $this->compressionMethods);
+    }
+
+    /**
+     * This method returns the compression method with the given name. Throws an exception if the method is not
+     * supported.
+     *
+     * @param string $name The name of the compression method
+     */
+    public function get(string $name): CompressionMethod
+    {
+        if (! $this->has($name)) {
+            throw new InvalidArgumentException(sprintf('The compression method "%s" is not supported.', $name));
+        }
+
+        return $this->compressionMethods[$name];
+    }
+
+    /**
+     * Returns the list of compression method names supported by the manager.
+     *
+     * @return string[]
+     */
+    public function list(): array
+    {
+        return array_keys($this->compressionMethods);
+    }
+
+    /**
+     * Add the given compression method to the manager.
+     */
+    protected function add(CompressionMethod $compressionMethod): void
+    {
+        $name = $compressionMethod->name();
+        $this->compressionMethods[$name] = $compressionMethod;
+    }
+}