Fixing validation rules being disabled

Author: moufmouf

Resources/config/container/graphqlite.xml

@@ -54,7 +54,7 @@
 
         <service id="TheCodingMachine\GraphQLite\Security\AuthorizationServiceInterface" alias="TheCodingMachine\Graphqlite\Bundle\Security\AuthorizationService" />
 
-        <service id="GraphQL\Server\ServerConfig">
+        <service id="GraphQL\Server\ServerConfig" class="TheCodingMachine\Graphqlite\Bundle\Server\ServerConfig">
             <call method="setSchema">
                 <argument type="service" id="TheCodingMachine\GraphQLite\Schema"/>
             </call>
@@ -109,7 +109,7 @@
             </argument>
             <tag name="graphql.type_mapper_factory"/>
         </service>
-        
+
         <service id="graphqlite.phpfilescache" class="Symfony\Component\Cache\Adapter\PhpFilesAdapter">
             <argument>graphqlite</argument>
         </service>

Server/ServerConfig.php

@@ -0,0 +1,35 @@
+<?php
+
+
+namespace TheCodingMachine\Graphqlite\Bundle\Server;
+
+use GraphQL\Error\InvariantViolation;
+use GraphQL\Utils\Utils;
+use GraphQL\Validator\DocumentValidator;
+use GraphQL\Validator\Rules\ValidationRule;
+use function array_merge;
+use function is_array;
+use function is_callable;
+
+/**
+ * A slightly modified version of the server config: default validators are added by default when setValidators is called.
+ */
+class ServerConfig extends \GraphQL\Server\ServerConfig
+{
+    /**
+     * Set validation rules for this server, AND adds by default all the "default" validation rules provided by Webonyx
+     *
+     * @param ValidationRule[]|callable $validationRules
+     *
+     * @return \GraphQL\Server\ServerConfig
+     *
+     * @api
+     */
+    public function setValidationRules($validationRules)
+    {
+        parent::setValidationRules(array_merge(DocumentValidator::defaultRules(), $validationRules));
+
+        return $this;
+    }
+
+}