installed plugin WP-WebAuthn version 1.2.8

2022-10-08 02:41:03 +00:00
parent 15c71c7c0f
commit 7b1024e711
923 changed files with 124568 additions and 0 deletions
--- a/wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature/Serializer/JSONGeneralSerializer.php
+++ b/wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature/Serializer/JSONGeneralSerializer.php
@ -0,0 +1,167 @@
+<?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\Signature\Serializer;
+
+use function array_key_exists;
+use Base64Url\Base64Url;
+use function count;
+use InvalidArgumentException;
+use function is_array;
+use function is_string;
+use Jose\Component\Core\Util\JsonConverter;
+use Jose\Component\Signature\JWS;
+use LogicException;
+
+final class JSONGeneralSerializer extends Serializer
+{
+    public const NAME = 'jws_json_general';
+
+    public function displayName(): string
+    {
+        return 'JWS JSON General';
+    }
+
+    public function name(): string
+    {
+        return self::NAME;
+    }
+
+    /**
+     * @throws LogicException if no signature is attached
+     */
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (0 === $jws->countSignatures()) {
+            throw new LogicException('No signature.');
+        }
+
+        $data = [];
+        $this->checkPayloadEncoding($jws);
+
+        if (false === $jws->isPayloadDetached()) {
+            $data['payload'] = $jws->getEncodedPayload();
+        }
+
+        $data['signatures'] = [];
+        foreach ($jws->getSignatures() as $signature) {
+            $tmp = ['signature' => Base64Url::encode($signature->getSignature())];
+            $values = [
+                'protected' => $signature->getEncodedProtectedHeader(),
+                'header' => $signature->getHeader(),
+            ];
+
+            foreach ($values as $key => $value) {
+                if ((is_string($value) && '' !== $value) || (is_array($value) && 0 !== count($value))) {
+                    $tmp[$key] = $value;
+                }
+            }
+            $data['signatures'][] = $tmp;
+        }
+
+        return JsonConverter::encode($data);
+    }
+
+    /**
+     * @throws InvalidArgumentException if the input is not supported
+     */
+    public function unserialize(string $input): JWS
+    {
+        $data = JsonConverter::decode($input);
+        if (!isset($data['signatures'])) {
+            throw new InvalidArgumentException('Unsupported input.');
+        }
+
+        $isPayloadEncoded = null;
+        $rawPayload = $data['payload'] ?? null;
+        $signatures = [];
+        foreach ($data['signatures'] as $signature) {
+            if (!isset($signature['signature'])) {
+                throw new InvalidArgumentException('Unsupported input.');
+            }
+            [$encodedProtectedHeader, $protectedHeader, $header] = $this->processHeaders($signature);
+            $signatures[] = [
+                'signature' => Base64Url::decode($signature['signature']),
+                'protected' => $protectedHeader,
+                'encoded_protected' => $encodedProtectedHeader,
+                'header' => $header,
+            ];
+            $isPayloadEncoded = $this->processIsPayloadEncoded($isPayloadEncoded, $protectedHeader);
+        }
+
+        $payload = $this->processPayload($rawPayload, $isPayloadEncoded);
+        $jws = new JWS($payload, $rawPayload);
+        foreach ($signatures as $signature) {
+            $jws = $jws->addSignature(
+                $signature['signature'],
+                $signature['protected'],
+                $signature['encoded_protected'],
+                $signature['header']
+            );
+        }
+
+        return $jws;
+    }
+
+    /**
+     * @throws InvalidArgumentException if the payload encoding is invalid
+     */
+    private function processIsPayloadEncoded(?bool $isPayloadEncoded, array $protectedHeader): bool
+    {
+        if (null === $isPayloadEncoded) {
+            return $this->isPayloadEncoded($protectedHeader);
+        }
+        if ($this->isPayloadEncoded($protectedHeader) !== $isPayloadEncoded) {
+            throw new InvalidArgumentException('Foreign payload encoding detected.');
+        }
+
+        return $isPayloadEncoded;
+    }
+
+    private function processHeaders(array $signature): array
+    {
+        $encodedProtectedHeader = $signature['protected'] ?? null;
+        $protectedHeader = null === $encodedProtectedHeader ? [] : JsonConverter::decode(Base64Url::decode($encodedProtectedHeader));
+        $header = array_key_exists('header', $signature) ? $signature['header'] : [];
+
+        return [$encodedProtectedHeader, $protectedHeader, $header];
+    }
+
+    private function processPayload(?string $rawPayload, ?bool $isPayloadEncoded): ?string
+    {
+        if (null === $rawPayload) {
+            return null;
+        }
+
+        return false === $isPayloadEncoded ? $rawPayload : Base64Url::decode($rawPayload);
+    }
+
+    // @throws LogicException if the payload encoding is invalid
+    private function checkPayloadEncoding(JWS $jws): void
+    {
+        if ($jws->isPayloadDetached()) {
+            return;
+        }
+        $is_encoded = null;
+        foreach ($jws->getSignatures() as $signature) {
+            if (null === $is_encoded) {
+                $is_encoded = $this->isPayloadEncoded($signature->getProtectedHeader());
+            }
+            if (false === $jws->isPayloadDetached()) {
+                if ($is_encoded !== $this->isPayloadEncoded($signature->getProtectedHeader())) {
+                    throw new LogicException('Foreign payload encoding detected.');
+                }
+            }
+        }
+    }
+}