Initial commit

application/Espo/Core/Api/ActionHandler.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Api;
+
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Exceptions\Conflict;
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Exceptions\NotFound;
+
+use Espo\Core\Utils\Config;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ResponseInterface as Psr7Response;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Slim\Psr7\Factory\ResponseFactory;
+
+/**
+ * @internal
+ */
+class ActionHandler implements RequestHandlerInterface
+{
+    private const DEFAULT_CONTENT_TYPE = 'application/json';
+
+    public function __construct(
+        private Action $action,
+        private ProcessData $processData,
+        private Config $config
+    ) {}
+
+    /**
+     * @throws BadRequest
+     * @throws Forbidden
+     * @throws Error
+     * @throws NotFound
+     * @throws Conflict
+     */
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        $requestWrapped = new RequestWrapper(
+            $request,
+            $this->processData->getBasePath(),
+            $this->processData->getRouteParams()
+        );
+
+        $response = $this->action->process($requestWrapped);
+
+        return $this->prepareResponse($response);
+    }
+
+    private function prepareResponse(Response $response): Psr7Response
+    {
+        if (!$response->hasHeader('Content-Type')) {
+            $response->setHeader('Content-Type', self::DEFAULT_CONTENT_TYPE);
+        }
+
+        if (!$response->hasHeader('Cache-Control')) {
+            $response->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
+        }
+
+        if (!$response->hasHeader('Expires')) {
+            $response->setHeader('Expires', '0');
+        }
+
+        if (!$response->hasHeader('Last-Modified')) {
+            $response->setHeader('Last-Modified', gmdate('D, d M Y H:i:s') . ' GMT');
+        }
+
+        $response->setHeader('X-App-Timestamp', (string) ($this->config->get('appTimestamp') ?? '0'));
+
+        /** @noinspection PhpConditionAlreadyCheckedInspection */
+        return $response instanceof ResponseWrapper ?
+            $response->toPsr7() :
+            self::responseToPsr7($response);
+    }
+
+    private static function responseToPsr7(Response $response): Psr7Response
+    {
+        $psr7Response = (new ResponseFactory())->createResponse();
+
+        $statusCode = $response->getStatusCode();
+        $reason = $response->getReasonPhrase();
+        $body = $response->getBody();
+
+        $psr7Response = $psr7Response
+            ->withStatus($statusCode, $reason)
+            ->withBody($body);
+
+        foreach ($response->getHeaderNames() as $name) {
+            $psr7Response = $psr7Response->withHeader($name, $response->getHeaderAsArray($name));
+        }
+
+        return $psr7Response;
+    }
+}