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-rw-r--r--vendor/web-token/jwt-signature-algorithm-rsa/RSA.php62
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php b/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php
new file mode 100644
index 0000000..12a4445
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php
@@ -0,0 +1,62 @@
+<?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\Algorithm;
+
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\RSAKey;
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+abstract class RSA implements SignatureAlgorithm
+{
+ abstract protected function getAlgorithm(): string;
+
+ abstract protected function getSignatureMethod(): int;
+
+ public function allowedKeyTypes(): array
+ {
+ return ['RSA'];
+ }
+
+ public function verify(JWK $key, string $input, string $signature): bool
+ {
+ $this->checkKey($key);
+ $pub = RSAKey::createFromJWK($key->toPublic());
+
+ return JoseRSA::verify($pub, $input, $signature, $this->getAlgorithm(), $this->getSignatureMethod());
+ }
+
+ public function sign(JWK $key, string $input): string
+ {
+ $this->checkKey($key);
+ if (!$key->has('d')) {
+ throw new \InvalidArgumentException('The key is not a private key.');
+ }
+
+ $priv = RSAKey::createFromJWK($key);
+
+ return JoseRSA::sign($priv, $input, $this->getAlgorithm(), $this->getSignatureMethod());
+ }
+
+ private function checkKey(JWK $key)
+ {
+ if (!\in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+ throw new \InvalidArgumentException('Wrong key type.');
+ }
+ foreach (['n', 'e'] as $k) {
+ if (!$key->has($k)) {
+ throw new \InvalidArgumentException(\sprintf('The key parameter "%s" is missing.', $k));
+ }
+ }
+ }
+}