Add server database management support to API.

app/Http/Requests/Api/Application/Servers/Databases/GetServerDatabaseRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Application\Servers\Databases;
+
+use Pterodactyl\Services\Acl\Api\AdminAcl;
+use Pterodactyl\Http\Requests\Api\Application\ApplicationApiRequest;
+
+class GetServerDatabaseRequest extends ApplicationApiRequest
+{
+    /**
+     * @var string
+     */
+    protected $resource = AdminAcl::RESOURCE_SERVER_DATABASES;
+
+    /**
+     * @var int
+     */
+    protected $permission = AdminAcl::READ;
+
+    /**
+     * Determine if the requested server database exists.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        $server = $this->route()->parameter('server');
+        $database = $this->route()->parameter('database');
+
+        return $database->server_id === $server->id;
+    }
+}