Added the method AddressBookGetContact and minor improvements in other implementations

src/Socialbox/Classes/StandardMethods/AddressBookAddContact.php

@@ -24,7 +24,7 @@
         {
             if(!$rpcRequest->containsParameter('peer'))
             {
-                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, 'Missing required \'peer\' parameter');
+                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, 'Missing required peer parameter');
             }
 
             try

src/Socialbox/Classes/StandardMethods/AddressBookGetContact.php

@@ -0,0 +1,53 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods;
+
+    use InvalidArgumentException;
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Exceptions\DatabaseOperationException;
+    use Socialbox\Exceptions\StandardException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Managers\ContactManager;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\PeerAddress;
+    use Socialbox\Objects\RpcRequest;
+
+    class AddressBookGetContact extends Method
+    {
+        /**
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            if(!$rpcRequest->containsParameter('peer'))
+            {
+                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, 'Missing required peer parameter');
+            }
+
+            try
+            {
+                $address = PeerAddress::fromAddress($rpcRequest->getParameter('peer'));
+            }
+            catch(InvalidArgumentException $e)
+            {
+                throw new StandardException('Invalid peer address', StandardError::RPC_INVALID_ARGUMENTS, $e);
+            }
+
+            try
+            {
+                if(!ContactManager::isContact($request->getPeer(), $address))
+                {
+                    return $rpcRequest->produceError(StandardError::FORBIDDEN, 'Contact does not exist');
+                }
+
+                $contact = ContactManager::getContact($request->getPeer(), $address);
+            }
+            catch(DatabaseOperationException $e)
+            {
+                throw new StandardException('Failed to get contact', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+
+            return $rpcRequest->produceResponse($contact->toStandard());
+        }
+    }

src/Socialbox/Classes/StandardMethods/AddressBookGetContacts.php

@@ -52,12 +52,7 @@
                 throw new StandardException('Failed to get contacts', StandardError::INTERNAL_SERVER_ERROR, $e);
             }
 
-            $results = [];
-            foreach($contacts as $contact)
-            {
-                $results[] = $contact->toStandard();
-            }
 
-            return $rpcRequest->produceResponse($results);
+            return $rpcRequest->produceResponse(array_map(function($contact) {return $contact->toStandard();}, $contacts));
         }
     }

src/Socialbox/Socialbox.php

@@ -761,10 +761,11 @@
          * Resolves an external peer based on the given peer address or string identifier.
          *
          * @param PeerAddress|string $peerAddress The external peer address or string identifier to be resolved.
+         * @param PeerAddress|string|null $identifiedAs Optional. The peer address or string identifier by which the caller is identified
          * @return Peer The resolved external peer after synchronization.
          * @throws StandardException Thrown if there was an error with the resolution process
          */
-        public static function resolvePeer(PeerAddress|string $peerAddress): Peer
+        public static function resolvePeer(PeerAddress|string $peerAddress, null|PeerAddress|string $identifiedAs=null): Peer
         {
             if(is_string($peerAddress))
             {
@@ -844,6 +845,11 @@
             return $registeredPeer;
         }
 
+        private static function localResolvePeer(PeerAddress|string $peerAddress, null|PeerAddress|string $identifiedAs=null)
+        {
+
+        }
+
         /**
          * Retrieves the server information by assembling data from the configuration settings.
          *