src/Socialbox/Classes/StandardMethods/Core/VerifyPeerSignature.php

@@ -0,0 +1,83 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods\Core;
+
+    use Exception;
+    use InvalidArgumentException;
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Exceptions\Standard\InvalidRpcArgumentException;
+    use Socialbox\Exceptions\Standard\MissingRpcArgumentException;
+    use Socialbox\Exceptions\Standard\StandardRpcException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\PeerAddress;
+    use Socialbox\Objects\RpcRequest;
+    use Socialbox\Socialbox;
+
+    class VerifyPeerSignature extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            // Check if the required 'peer' parameter is set.
+            if(!$rpcRequest->containsParameter('signing_peer'))
+            {
+                throw new MissingRpcArgumentException('signing_peer');
+            }
+
+            if(!$rpcRequest->containsParameter('signature_uuid'))
+            {
+                throw new MissingRpcArgumentException('signature_uuid');
+            }
+
+            if(!$rpcRequest->containsParameter('signature_key'))
+            {
+                throw new MissingRpcArgumentException('signature_key');
+            }
+
+            if(!$rpcRequest->containsParameter('signature'))
+            {
+                throw new MissingRpcArgumentException('signature');
+            }
+
+            if(!$rpcRequest->containsParameter('message_hash'))
+            {
+                throw new MissingRpcArgumentException('message_hash');
+            }
+
+            if(!$rpcRequest->containsParameter('signature_time'))
+            {
+                throw new MissingRpcArgumentException('signature_time');
+            }
+
+            // Parse the peer address
+            try
+            {
+                $peerAddress = PeerAddress::fromAddress($rpcRequest->getParameter('signing_peer'));
+            }
+            catch(InvalidArgumentException $e)
+            {
+                throw new InvalidRpcArgumentException('signing_peer', $e);
+            }
+
+            try
+            {
+                return $rpcRequest->produceResponse(Socialbox::verifyPeerSignature(
+                    signingPeer: $peerAddress,
+                    signatureUuid: $rpcRequest->getParameter('signature_uuid'),
+                    signatureKey: $rpcRequest->getParameter('signature_key'),
+                    signature: $rpcRequest->getParameter('signature'),
+                    messageHash: $rpcRequest->getParameter('message_hash'),
+                    signatureTime: $rpcRequest->getParameter('signature_time')
+                )->value);
+            }
+            catch (Exception $e)
+            {
+                throw new StandardRpcException('Failed to resolve peer signature', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+        }
+    }