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typo3/sysext/frontend/Classes/Http/Application.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Frontend\Http;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * 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.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Core\Configuration\ConfigurationManager;
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\Context\DateTimeAspect;
+use TYPO3\CMS\Core\Context\UserAspect;
+use TYPO3\CMS\Core\Context\VisibilityAspect;
+use TYPO3\CMS\Core\Context\WorkspaceAspect;
+use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Http\AbstractApplication;
+use TYPO3\CMS\Core\Http\RedirectResponse;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Entry point for the TYPO3 Frontend
+ */
+class Application extends AbstractApplication
+{
+    /**
+     * @var string
+     */
+    protected $requestHandler = RequestHandler::class;
+
+    /**
+     * @var string
+     */
+    protected $middlewareStack = 'frontend';
+
+    /**
+     * @var ConfigurationManager
+     */
+    protected $configurationManager;
+
+    /**
+     * @param ConfigurationManager $configurationManager
+     */
+    public function __construct(ConfigurationManager $configurationManager)
+    {
+        $this->configurationManager = $configurationManager;
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    protected function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        if (!$this->checkIfEssentialConfigurationExists()) {
+            return $this->installToolRedirect();
+        }
+        $this->initializeContext();
+        return parent::handle($request);
+    }
+
+    /**
+     * Check if LocalConfiguration.php and PackageStates.php exist
+     *
+     * @return bool TRUE when the essential configuration is available, otherwise FALSE
+     */
+    protected function checkIfEssentialConfigurationExists(): bool
+    {
+        return file_exists($this->configurationManager->getLocalConfigurationFileLocation())
+            && file_exists(Environment::getLegacyConfigPath() . '/PackageStates.php');
+    }
+
+    /**
+     * Create a PSR-7 Response that redirects to the install tool
+     *
+     * @return ResponseInterface
+     */
+    protected function installToolRedirect(): ResponseInterface
+    {
+        $path = TYPO3_mainDir . 'install.php';
+        return new RedirectResponse($path, 302);
+    }
+
+    /**
+     * Initializes the Context used for accessing data and finding out the current state of the application
+     * Will be moved to a DI-like concept once introduced, for now, this is a singleton
+     */
+    protected function initializeContext()
+    {
+        GeneralUtility::makeInstance(Context::class, [
+            'date' => new DateTimeAspect(new \DateTimeImmutable('@' . $GLOBALS['EXEC_TIME'])),
+            'visibility' => new VisibilityAspect(),
+            'workspace' => new WorkspaceAspect(0),
+            'backend.user' => new UserAspect(null),
+            'frontend.user' => new UserAspect(null, [0, -1]),
+        ]);
+    }
+}

typo3/sysext/frontend/Classes/Http/EidRequestHandler.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Frontend\Http;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * 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.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface as PsrRequestHandlerInterface;
+use TYPO3\CMS\Core\Exception;
+use TYPO3\CMS\Core\Http\Dispatcher;
+use TYPO3\CMS\Core\Http\NullResponse;
+use TYPO3\CMS\Core\Http\RequestHandlerInterface;
+use TYPO3\CMS\Core\Http\Response;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Frontend\Middleware\EidHandler as EidMiddleware;
+
+/**
+ * Lightweight alternative to the regular RequestHandler used when $_GET[eID] is set.
+ * In the future, logic from the EidUtility will be moved to this class.
+ *
+ * @deprecated since TYPO3 v9.2, will be removed in TYPO3 v10.0
+ */
+class EidRequestHandler implements RequestHandlerInterface, PsrRequestHandlerInterface
+{
+    /**
+     * Constructor handing over the bootstrap and the original request
+     */
+    public function __construct()
+    {
+        trigger_error(self::class . ' will be removed in TYPO3 v10.0. Use ' . EidMiddleware::class . ' instead.', E_USER_DEPRECATED);
+    }
+
+    /**
+     * Handles a frontend request based on the _GP "eID" variable.
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function handleRequest(ServerRequestInterface $request): ResponseInterface
+    {
+        trigger_error(self::class . ' will be removed in TYPO3 v10.0. Use ' . EidMiddleware::class . ' instead.', E_USER_DEPRECATED);
+        return $this->handle($request);
+    }
+
+    /**
+     * This request handler can handle any frontend request.
+     *
+     * @param ServerRequestInterface $request The request to process
+     * @return bool If the request is not an eID request, TRUE otherwise FALSE
+     */
+    public function canHandleRequest(ServerRequestInterface $request): bool
+    {
+        trigger_error(self::class . ' will be removed in TYPO3 v10.0. Use ' . EidMiddleware::class . ' instead.', E_USER_DEPRECATED);
+        return !empty($request->getQueryParams()['eID']) || !empty($request->getParsedBody()['eID']);
+    }
+
+    /**
+     * Returns the priority - how eager the handler is to actually handle the
+     * request.
+     *
+     * @return int The priority of the request handler.
+     */
+    public function getPriority(): int
+    {
+        trigger_error(self::class . ' will be removed in TYPO3 v10.0. Use ' . EidMiddleware::class . ' instead.', E_USER_DEPRECATED);
+        return 80;
+    }
+
+    /**
+     * Dispatches the request to the corresponding eID class or eID script
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     * @throws Exception
+     */
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        trigger_error(self::class . ' will be removed in TYPO3 v10.0. Use ' . EidMiddleware::class . ' instead.', E_USER_DEPRECATED);
+        // Remove any output produced until now
+        ob_clean();
+
+        /** @var Response $response */
+        $response = GeneralUtility::makeInstance(Response::class);
+
+        $eID = $request->getParsedBody()['eID'] ?? $request->getQueryParams()['eID'] ?? '';
+
+        if (empty($eID) || !isset($GLOBALS['TYPO3_CONF_VARS']['FE']['eID_include'][$eID])) {
+            return $response->withStatus(404, 'eID not registered');
+        }
+
+        $configuration = $GLOBALS['TYPO3_CONF_VARS']['FE']['eID_include'][$eID];
+
+        // Simple check to make sure that it's not an absolute file (to use the fallback)
+        if (strpos($configuration, '::') !== false || is_callable($configuration)) {
+            /** @var Dispatcher $dispatcher */
+            $dispatcher = GeneralUtility::makeInstance(Dispatcher::class);
+            $request = $request->withAttribute('target', $configuration);
+            return $dispatcher->dispatch($request, $response);
+        }
+
+        $scriptPath = GeneralUtility::getFileAbsFileName($configuration);
+        if ($scriptPath === '') {
+            throw new Exception('Registered eID has invalid script path.', 1416391467);
+        }
+        include $scriptPath;
+        return new NullResponse();
+    }
+}

typo3/sysext/frontend/Classes/Http/UrlHandlerInterface.php

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+<?php
+namespace TYPO3\CMS\Frontend\Http;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * 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.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * This interface needs to be implemented by all classes that register for the hook in:
+ * $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['urlProcessing']['urlHandlers']
+ *
+ * It can be used to do custom URL processing during a Frontend request.
+ * @deprecated since TYPO3 v9.3, will be removed in TYPO3 v10.0 in favor of PSR-15 middlewares.
+ */
+interface UrlHandlerInterface
+{
+    /**
+     * Return TRUE if this hook handles the current URL.
+     * Warning! If TRUE is returned content rendering will be disabled!
+     * This method will be called in the constructor of the TypoScriptFrontendController
+     *
+     * @see \TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::__construct()
+     * @see \TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::initializeRedirectUrlHandlers()
+     * @return bool
+     */
+    public function canHandleCurrentUrl();
+
+    /**
+     * Custom processing of the current URL.
+     *
+     * If canHandle() has returned TRUE this method needs to take care of redirecting the user or generating custom output.
+     * This hook will be called BEFORE the user is redirected to an external URL configured in the page properties.
+     *
+     * @see \TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::redirectToExternalUrl()
+     */
+    public function handle();
+}

typo3/sysext/frontend/Classes/Http/UrlProcessorInterface.php

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+<?php
+namespace TYPO3\CMS\Frontend\Http;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * 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.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * This interface needs to be implemented by all classes that register for the hook in:
+ * $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['urlProcessing']['urlProcessors']
+ *
+ * It can be used manipulate URLs that are generated by the ContentObjectRenderer.
+ */
+interface UrlProcessorInterface
+{
+    const CONTEXT_COMMON = 'common';
+    const CONTEXT_FILE = 'file';
+    const CONTEXT_MAIL = 'mail';
+    const CONTEXT_EXTERNAL = 'external';
+
+    /**
+     * Generates the JumpURL for the given parameters.
+     *
+     * @see \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::processUrl()
+     * @param string $context The context in which the URL is generated (e.g. "typolink" or one of the constants above).
+     * @param string $url The URL that should be processed.
+     * @param array $configuration The link configuration.
+     * @param \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer $contentObjectRenderer The calling content object renderer.
+     * @param bool $keepProcessing If this is set to FALSE no further hooks will be processed after the current one.
+     * @return string|null
+     */
+    public function process($context, $url, array $configuration, \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer $contentObjectRenderer, &$keepProcessing);
+}