Subiendo proyecto completo sin restricciones de git ignore

vendor/lcobucci/jwt/src/Signer/OpenSSL.php

@@ -0,0 +1,137 @@
+<?php
+declare(strict_types=1);
+
+namespace Lcobucci\JWT\Signer;
+
+use Lcobucci\JWT\Signer;
+use OpenSSLAsymmetricKey;
+
+use function array_key_exists;
+use function assert;
+use function is_array;
+use function is_bool;
+use function is_string;
+use function openssl_error_string;
+use function openssl_free_key;
+use function openssl_pkey_get_details;
+use function openssl_pkey_get_private;
+use function openssl_pkey_get_public;
+use function openssl_sign;
+use function openssl_verify;
+
+abstract class OpenSSL implements Signer
+{
+    /**
+     * @throws CannotSignPayload
+     * @throws InvalidKeyProvided
+     */
+    final protected function createSignature(
+        string $pem,
+        string $passphrase,
+        string $payload
+    ): string {
+        $key = $this->getPrivateKey($pem, $passphrase);
+
+        try {
+            $signature = '';
+
+            if (! openssl_sign($payload, $signature, $key, $this->algorithm())) {
+                $error = openssl_error_string();
+                assert(is_string($error));
+
+                throw CannotSignPayload::errorHappened($error);
+            }
+
+            return $signature;
+        } finally {
+            $this->freeKey($key);
+        }
+    }
+
+    /**
+     * @return resource|OpenSSLAsymmetricKey
+     *
+     * @throws CannotSignPayload
+     */
+    private function getPrivateKey(string $pem, string $passphrase)
+    {
+        $privateKey = openssl_pkey_get_private($pem, $passphrase);
+        $this->validateKey($privateKey);
+
+        return $privateKey;
+    }
+
+    /** @throws InvalidKeyProvided */
+    final protected function verifySignature(
+        string $expected,
+        string $payload,
+        string $pem
+    ): bool {
+        $key    = $this->getPublicKey($pem);
+        $result = openssl_verify($payload, $expected, $key, $this->algorithm());
+        $this->freeKey($key);
+
+        return $result === 1;
+    }
+
+    /**
+     * @return resource|OpenSSLAsymmetricKey
+     *
+     * @throws InvalidKeyProvided
+     */
+    private function getPublicKey(string $pem)
+    {
+        $publicKey = openssl_pkey_get_public($pem);
+        $this->validateKey($publicKey);
+
+        return $publicKey;
+    }
+
+    /**
+     * Raises an exception when the key type is not the expected type
+     *
+     * @param resource|OpenSSLAsymmetricKey|bool $key
+     *
+     * @throws InvalidKeyProvided
+     */
+    private function validateKey($key): void
+    {
+        if (is_bool($key)) {
+            $error = openssl_error_string();
+            assert(is_string($error));
+
+            throw InvalidKeyProvided::cannotBeParsed($error);
+        }
+
+        $details = openssl_pkey_get_details($key);
+        assert(is_array($details));
+
+        if (! array_key_exists('key', $details) || $details['type'] !== $this->keyType()) {
+            throw InvalidKeyProvided::incompatibleKey();
+        }
+    }
+
+    /** @param resource|OpenSSLAsymmetricKey $key */
+    private function freeKey($key): void
+    {
+        if ($key instanceof OpenSSLAsymmetricKey) {
+            return;
+        }
+
+        openssl_free_key($key); // Deprecated and no longer necessary as of PHP >= 8.0
+    }
+
+    /**
+     * Returns the type of key to be used to create/verify the signature (using OpenSSL constants)
+     *
+     * @internal
+     */
+    abstract public function keyType(): int;
+
+    /**
+     * Returns which algorithm to be used to create/verify the signature (using OpenSSL constants)
+     *
+     * @internal
+     */
+    abstract public function algorithm(): int;
+}