From 0848b6e70869b08960fdac623d2b163ab5b33bed Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Thu, 5 Sep 2024 20:10:04 +0000
Subject: [PATCH] Added API endpoint to fetch current user info.

---
 src/V1/V1Routes.php      |  6 ++++--
 src/V1/V1UsersRoutes.php | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 src/V1/V1UsersRoutes.php

diff --git a/src/V1/V1Routes.php b/src/V1/V1Routes.php
index 9207459..fa7f758 100644
--- a/src/V1/V1Routes.php
+++ b/src/V1/V1Routes.php
@@ -1,8 +1,6 @@
 <?php
 namespace Aleister\V1;
 
-use Aleister\RpcModels\Hanyuu\OAuth2AuthInfo;
-use Aiwass\Client\IRpcClient;
 use Index\Http\Routing\{IRouter,IRouteHandler};
 
 class V1Routes implements IRouteHandler {
@@ -16,5 +14,9 @@ class V1Routes implements IRouteHandler {
         $router->use('/', $authz->misuzuTokenAuthMiddleware(...));
 
         $router->get('/', fn() => ['status' => 'operational']);
+
+        $usersRoutes = new V1UsersRoutes($this->ctx, $this->ctx->getRpcClient()->scopeTo('misuzu:users:'));
+        $router->get('/me', $usersRoutes->getMe(...));
+        $router->scopeTo('/users')->register($usersRoutes);
     }
 }
diff --git a/src/V1/V1UsersRoutes.php b/src/V1/V1UsersRoutes.php
new file mode 100644
index 0000000..3bab851
--- /dev/null
+++ b/src/V1/V1UsersRoutes.php
@@ -0,0 +1,38 @@
+<?php
+namespace Aleister\V1;
+
+use Aiwass\Client\IRpcClient;
+use Index\Http\Routing\RouteHandler;
+
+class V1UsersRoutes extends RouteHandler {
+    public function __construct(
+        private V1Context $ctx,
+        private IRpcClient $rpc
+    ) {}
+
+    public function getMe() {
+        $authz = $this->ctx->getAuthzContext();
+        if(!$authz->hasScope('identify'))
+            return 403;
+
+        if($authz->isAppUser()) {
+            // TODO: what should app users even look like?
+            return 501;
+        }
+
+        if($authz->isRealUser()) {
+            $userInfo = $this->rpc->query('getUser', ['userId' => $authz->getUserId()]);
+            if(!is_array($userInfo))
+                return 500;
+            if(array_key_exists('error', $userInfo))
+                return match($userInfo['error']) {
+                    'notfound' => 404,
+                    default => 400,
+                };
+
+            return $userInfo;
+        }
+
+        return 401;
+    }
+}