Replace RequiredValidator with checks in RouteResolver

extensions/ter/Classes/Controller/Api/AbstractApiController.php

@@ -84,7 +84,7 @@ abstract class AbstractApiController implements RequestHandlerInterface
                 }
             }
             if (!$routeArgument->isValid()) {
-                $invalidArguments[] = $routeArgument;
+                $invalidArguments[$routeArgument->getName()] = $routeArgument;
             }
         }
 

extensions/ter/Classes/Exception/RequiredArgumentMissingException.php

+<?php
+declare(strict_types = 1);
+
+namespace T3o\Ter\Exception;
+
+/*
+ * This file is part of TYPO3 CMS-extension "ter", created by Oliver Bartsch.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ */
+
+class RequiredArgumentMissingException extends Exception
+{
+}

extensions/ter/Classes/Middleware/RestRouteDispatcher.php

@@ -71,6 +71,7 @@ final class RestRouteDispatcher implements MiddlewareInterface
 
         $this->routeConfiguration
             ->setBase(self::API_REQUEST_PATH . $version)
+            ->setPath(str_replace(self::API_REQUEST_PATH . $version, '', $path))
             ->setSchema($schema)
             ->createRouteCollection();
 

extensions/ter/Classes/Rest/RouteArgument/AbstractRouteArgument.php

@@ -12,7 +12,6 @@ namespace T3o\Ter\Rest\RouteArgument;
  * of the License, or any later version.
  */
 
-use T3o\Ter\Rest\Validaton\RequiredValidator;
 use T3o\Ter\Rest\Validaton\ValidationErrorInterface;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
@@ -30,10 +29,6 @@ abstract class AbstractRouteArgument implements RouteArgumentInterface, \JsonSer
     {
         $this->name = $name;
         $this->configuration = $configuration;
-
-        if ((bool)($this->configuration['required'] ?? false)) {
-            $this->validators[RequiredValidator::class] = [];
-        }
     }
 
     public function getName(): string

extensions/ter/Classes/Rest/RouteArgument/IntegerArgument.php

@@ -15,6 +15,7 @@ namespace T3o\Ter\Rest\RouteArgument;
 use T3o\Ter\Rest\Validaton\EnumValidator;
 use T3o\Ter\Rest\Validaton\MaxValidator;
 use T3o\Ter\Rest\Validaton\MinValidator;
+use TYPO3\CMS\Core\Utility\MathUtility;
 
 /**
  * Implementation for an integer argument
@@ -23,10 +24,18 @@ class IntegerArgument extends AbstractRouteArgument
 {
     protected int $value;
 
-    public function __construct(string $name, array $configuration, int $value)
+    public function __construct(string $name, array $configuration, $value)
     {
+        if (!is_int($value) && !MathUtility::canBeInterpretedAsInteger($value)) {
+            throw new \InvalidArgumentException(
+                sprintf('Value \'%s\' for argument \'%s\' must be of type integer.', $value, $name),
+                1601313518
+            );
+        }
+
         parent::__construct($name, $configuration);
-        $this->value = $value;
+
+        $this->value = (int)$value;
         $this->addValidatorsFromConfiguration();
     }
 

extensions/ter/Classes/Rest/RouteArgument/ObjectArgument.php

@@ -23,9 +23,17 @@ class ObjectArgument extends AbstractRouteArgument implements DeepObjectRouteArg
     protected array $value;
     protected array $properties;
 
-    public function __construct(string $name, array $configuration, array $value)
+    public function __construct(string $name, array $configuration, $value)
     {
+        if (!is_array($value)) {
+            throw new \InvalidArgumentException(
+                sprintf('Value \'%s\' for argument \'%s\' must be of type array.', $value, $name),
+                1601313412
+            );
+        }
+
         parent::__construct($name, $configuration);
+
         $this->value = $value;
         $routeArgumentFactory = GeneralUtility::makeInstance(
             RouteArgumentFactory::class,

extensions/ter/Classes/Rest/RouteArgument/RouteArgumentFactory.php

@@ -29,7 +29,7 @@ final class RouteArgumentFactory
 
     public function create(string $name, array $configuration, $value): RouteArgumentInterface
     {
-        $type = ucfirst($configuration['schema']['type'] ?? '');
+        $type = ucfirst((string)($configuration['schema']['type'] ?? ''));
 
         if ($type === '') {
             throw new \InvalidArgumentException(sprintf('RouteArgument type cannot be empty for argument: %s', $name), 1601024733);

extensions/ter/Classes/Rest/RouteArgument/StringArgument.php

@@ -24,9 +24,17 @@ class StringArgument extends AbstractRouteArgument
 {
     protected string $value;
 
-    public function __construct(string $name, array $configuration, string $value)
+    public function __construct(string $name, array $configuration, $value)
     {
+        if (!is_string($value)) {
+            throw new \InvalidArgumentException(
+                sprintf('Value \'%s\' for argument \'%s\' must be of type integer.', $value, $name),
+                1601313573
+            );
+        }
+
         parent::__construct($name, $configuration);
+
         $this->value = $value;
         $this->addValidatorsFromConfiguration();
     }

extensions/ter/Classes/Rest/RouteConfiguration.php

@@ -23,6 +23,7 @@ use TYPO3\CMS\Core\Utility\GeneralUtility;
 final class RouteConfiguration implements SingletonInterface
 {
     protected string $base;
+    protected string $path;
     protected array $schema;
     protected RouteCollection $routeCollection;
 
@@ -42,6 +43,17 @@ final class RouteConfiguration implements SingletonInterface
         return $this->base;
     }
 
+    public function setPath(string $path): self
+    {
+        $this->path = $path;
+        return $this;
+    }
+
+    public function getPath(): string
+    {
+        return $this->path;
+    }
+
     public function setSchema(array $schema): self
     {
         $this->schema = $schema;
@@ -53,6 +65,11 @@ final class RouteConfiguration implements SingletonInterface
         return $this->schema;
     }
 
+    public function getRoute(string $operationId): ?Route
+    {
+        return $this->routeCollection->get($operationId);
+    }
+
     public function getRouteCollection(): RouteCollection
     {
         return $this->routeCollection;
@@ -90,13 +107,40 @@ final class RouteConfiguration implements SingletonInterface
         return $this;
     }
 
-    public function getEndpoint(string $fullPath): string
+    public function getEndpointConfiguration(string $operationId): array
     {
-        return '/' . ltrim(str_replace($this->base, '', $fullPath), '/');
+        $route = $this->getRoute($operationId);
+
+        if ($route === null) {
+            return [];
+        }
+
+        $path = $route->getPath();
+        $method = strtolower($route->getMethods()[0] ?? '');
+
+        if (isset($this->schema['paths'][$path][$method])) {
+            return (array)$this->schema['paths'][$path][$method];
+        }
+
+        return (array)($this->schema['paths'][$path] ?? []);
     }
 
     public function getParameterConfiguration(string $name): array
     {
         return (array)($this->schema['components']['parameters'][GeneralUtility::underscoredToUpperCamelCase($name)] ?? []);
     }
+
+    public function getParameterConfigurationByReference(string $reference): array
+    {
+        $parts = explode('/', str_replace('#/', '', $reference));
+        $configuration = $this->schema;
+
+        foreach ($parts as $part) {
+            if (isset($configuration[$part]) && is_array($configuration[$part])) {
+               $configuration = $configuration[$part];
+            }
+        }
+
+        return array_merge($configuration, ['reference' => end($parts)]);
+    }
 }

extensions/ter/Classes/Rest/RouteHandler.php

@@ -17,6 +17,7 @@ use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
 use Symfony\Component\Routing\Exception\MethodNotAllowedException;
 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use T3o\Ter\Exception\RequiredArgumentMissingException;
 use T3o\Ter\Rest\Response\ApiResponseFactory;
 
 /**
@@ -55,6 +56,8 @@ final class RouteHandler implements RequestHandlerInterface
         } catch (MethodNotAllowedException $e) {
             $message = 'The method ' . $request->getMethod() . ' is not allowed.';
             return $this->apiResponseFactory->createErrorResponseForRequest($request, 1600994273, $message, 405);
+        } catch (RequiredArgumentMissingException $e) {
+            return $this->apiResponseFactory->createErrorResponseForRequest($request, 1600996241, $e->getMessage(), 400);
         } catch (ResourceNotFoundException|\OutOfRangeException|\InvalidArgumentException $e) {
             return $this->apiResponseFactory->createErrorResponseForRequest($request, 1601289397, $e->getMessage());
         }

extensions/ter/Classes/Rest/RouteResolver.php

@@ -16,6 +16,7 @@ use Psr\Http\Message\ServerRequestInterface;
 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
 use Symfony\Component\Routing\Matcher\UrlMatcher;
 use Symfony\Component\Routing\RequestContext;
+use T3o\Ter\Exception\RequiredArgumentMissingException;
 use T3o\Ter\Rest\RouteArgument\RouteArgumentFactory;
 use TYPO3\CMS\Core\Routing\RouteResultInterface;
 
@@ -46,7 +47,7 @@ final class RouteResolver
         $resultParameters = (new UrlMatcher(
             $this->routeConfiguration->getRouteCollection(),
             $this->getRequestContext($request)
-        ))->match($this->routeConfiguration->getEndpoint($request->getUri()->getPath()));
+        ))->match($this->routeConfiguration->getPath());
 
         if (!($resultParameters['_route'] ?? false)) {
             throw new ResourceNotFoundException('No resource found for the given route.', 1600994133);
@@ -63,7 +64,7 @@ final class RouteResolver
         );
 
         $arguments = array_merge(
-            array_filter($resultParameters, static function ($_, $k){
+            array_filter($resultParameters, static function ($_, $k) {
                 return strpos($k, '_') !== 0;
             }, ARRAY_FILTER_USE_BOTH),
             $request->getQueryParams()
@@ -76,6 +77,40 @@ final class RouteResolver
             }
         }
 
+        $endpointConfiguration = $this->routeConfiguration->getEndpointConfiguration(
+            $routeResultArguments->offsetGet('operationId')
+        );
+
+        if (isset($endpointConfiguration['parameters']) && is_array($endpointConfiguration['parameters'])) {
+            foreach ($endpointConfiguration['parameters'] as $parameter) {
+                if ((bool)($parameter['required'] ?? false)
+                    && !$routeResultArguments->hasRouteArgument($parameter['name'])
+                ) {
+                    throw new RequiredArgumentMissingException(
+                        sprintf('%s argument %s is required but is missing in the request.',
+                            ucfirst($parameter['in']),
+                            $parameter['name']
+                        ),
+                        1601369655
+                    );
+                }
+            }
+        }
+
+        if (isset($endpointConfiguration['requestBody']) && is_array($endpointConfiguration['requestBody'])) {
+            foreach ($endpointConfiguration['requestBody'] as $key => $requestBody) {
+                if ($key === '$ref') {
+                    $requestBody = $this->routeConfiguration->getParameterConfigurationByReference($requestBody);
+                }
+                if ((bool)($requestBody['required'] ?? false) && $request->getParsedBody() === null) {
+                    throw new RequiredArgumentMissingException(
+                        sprintf('Required request body for %s is missing in the request.', $requestBody['reference']),
+                        1601369655
+                    );
+                }
+            }
+        }
+
         return $routeResultArguments;
     }
 

extensions/ter/Classes/Rest/RouteResultArguments.php

@@ -74,7 +74,7 @@ final class RouteResultArguments implements RouteResultInterface
 
     public function hasRouteArgument(string $name): bool
     {
-        return $this->routeArguments[$name] ?? false;
+        return isset($this->routeArguments[$name]);
     }
 
     public function getRouteArgument(string $name): RouteArgumentInterface

extensions/ter/Classes/Rest/Validaton/RequiredValidator.php

-<?php
-
-declare(strict_types = 1);
-
-namespace T3o\Ter\Rest\Validaton;
-
-/*
- * This file is part of TYPO3 CMS-extension "ter", created by Oliver Bartsch.
- *
- * It is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License, either version 2
- * of the License, or any later version.
- */
-
-use T3o\Ter\Rest\RouteArgument\IntegerArgument;
-use T3o\Ter\Rest\RouteArgument\RouteArgumentInterface;
-use T3o\Ter\Rest\RouteArgument\StringArgument;
-
-/**
- * Validator implementation for OpenApi `required` property.
- *
- * @todo This validator may be superfluous as required arguments should be checked
- *       while resolving the route. Furthermore path arguments are already checked
- *       on url matching.
- */
-final class RequiredValidator implements ValidatorInterface
-{
-    public function validate(RouteArgumentInterface $routeArgument): void
-    {
-        $class = get_class($routeArgument);
-
-        switch ($class) {
-            case StringArgument::class:
-                $result = $routeArgument->getValue() !== '';
-                break;
-            case IntegerArgument::class:
-                // @todo what about negative values?
-                $result = $routeArgument->getValue() > 0;
-                break;
-            default:
-                throw new \InvalidArgumentException(__CLASS__ . ' can\'t handle ' . $class);
-        }
-
-        if (!$result) {
-            $routeArgument->addValidationError(
-                new ValidationError(
-                    sprintf(
-                        'The given value \'%s\' for argument \'%s\' must not be empty.',
-                        $routeArgument->getValue(),
-                        $routeArgument->getName()
-                    )
-                )
-            );
-        }
-    }
-}

extensions/ter/resources/schema/v1.json

@@ -265,11 +265,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -444,11 +446,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -634,11 +638,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -829,11 +835,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -1009,11 +1017,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -1208,11 +1218,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -1410,11 +1422,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -1625,11 +1639,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -1840,11 +1856,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -2056,11 +2074,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -2287,11 +2307,13 @@
                       "type": "array",
                       "example": [
                         {
-                          "name": "argument",
-                          "value": 100,
-                          "validationErrors": [
-                            "The given value 100 for argument must be at max 50"
-                          ]
+                          "some_arguemnt": {
+                            "name": "some_argument",
+                            "value": 100,
+                            "validationErrors": [
+                              "The given value 100 for some_argument must be at max 50"
+                            ]
+                          }
                         }
                       ],
                       "items": {
@@ -3464,11 +3486,13 @@
                   "type": "array",
                   "example": [
                     {
-                      "name": "argument",
-                      "value": 100,
-                      "validationErrors": [
-                        "The given value 100 for argument must be at max 50"
-                      ]
+                      "some_arguemnt": {
+                        "name": "some_argument",
+                        "value": 100,
+                        "validationErrors": [
+                          "The given value 100 for some_argument must be at max 50"
+                        ]
+                      }
                     }
                   ],
                   "items": {

extensions/ter/resources/schema/v1.yaml

@@ -192,10 +192,11 @@ paths:
                   invalidArguments:
                     type: "array"
                     example:
-                    - name: "argument"
-                      value: 100
-                      validationErrors: