🛠️ [TASK] Handle Content-Security-Policy headers of TYPO3 v12

Classes/Configuration.php

@@ -29,7 +29,6 @@
 use SFC\Staticfilecache\Generator\PhpGenerator;
 use SFC\Staticfilecache\Generator\PlainGenerator;
 use SFC\Staticfilecache\Hook\DatamapHook;
-use SFC\Staticfilecache\Hook\LogoffFrontendUser;
 use SFC\Staticfilecache\Service\ConfigurationService;
 use SFC\Staticfilecache\Service\HttpPush\FontHttpPush;
 use SFC\Staticfilecache\Service\HttpPush\ImageHttpPush;
@@ -39,6 +38,7 @@
 use SFC\Staticfilecache\Service\ObjectFactoryService;
 use TYPO3\CMS\Core\Cache\Backend\NullBackend;
 use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Information\Typo3Version;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Utility\ExtensionUtility;
 
@@ -50,6 +50,7 @@ class Configuration extends StaticFileCacheObject
     public const EXTENSION_KEY = 'staticfilecache';
 
     protected ConfigurationService $configurationService;
+    protected Typo3Version $typo3version;
 
     /**
      * Configuration constructor.
@@ -60,6 +61,7 @@ class Configuration extends StaticFileCacheObject
     public function __construct()
     {
         $this->configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
+        $this->typo3version = GeneralUtility::makeInstance(Typo3Version::class);
     }
 
     /**
@@ -72,6 +74,7 @@ public function extLocalconf(): void
             ->registerCachingFramework()
             ->registerGenerators()
             ->registerHttpPushServices()
+            ->adjustSystemSettings()
         ;
     }
 
@@ -88,6 +91,10 @@ public function extTables(): void
      */
     protected function registerBackendModule(): self
     {
+        // see `Configuration/Backend/Modules.php` (since TYPO3 v12)
+        if ($this->typo3version->getMajorVersion() >= 12) {
+            return $this;
+        }
         ExtensionUtility::registerModule(
             'Staticfilecache',
             'web',
@@ -217,4 +224,13 @@ protected function registerHttpPushServices(): self
 
         return $this;
     }
+
+    protected function adjustSystemSettings(): self
+    {
+        if ($this->typo3version->getMajorVersion() >= 12) {
+            // aim for cacheable frontend responses when using TYPO3's `Content-Security-Policy` behavior
+            $GLOBALS['TYPO3_CONF_VARS']['FE']['contentSecurityPolicy']['preferCacheableResponse'] = true;
+        }
+        return $this;
+    }
 }

Classes/Controller/BackendController.php

@@ -6,7 +6,6 @@
 
 use TYPO3\CMS\Core\Messaging\AbstractMessage;
 use Psr\Http\Message\ResponseInterface;
-use Psr\Http\Message\ServerRequestInterface;
 use SFC\Staticfilecache\Domain\Repository\PageRepository;
 use SFC\Staticfilecache\Domain\Repository\QueueRepository;
 use SFC\Staticfilecache\Service\CacheService;
@@ -18,9 +17,7 @@
 use TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
 use TYPO3\CMS\Backend\Utility\BackendUtility;
 use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
-use TYPO3\CMS\Core\Http\HtmlResponse;
 use TYPO3\CMS\Core\Log\LogManager;
-use TYPO3\CMS\Core\Messaging\FlashMessage;
 use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
@@ -44,24 +41,21 @@
 
     public function listAction(string $filter = ''): ResponseInterface
     {
-        $moduleTemplate = $this->moduleTemplateFactory->create($this->request);
-
         $filter = $this->setFilter($filter);
-        $this->view->assignMultiple([
+        $viewVariables = [
             'rows' => $this->getCachePagesEntries($filter),
             'filter' => $filter,
             'pageId' => $this->getCurrentUid(),
             'backendDisplayMode' => $this->getDisplayMode(),
-        ]);
+        ];
 
-        $moduleTemplate->setContent($this->view->render());
-        return new HtmlResponse($moduleTemplate->renderContent());
+        return $this->createModuleTemplate()
+            ->assignMultiple($viewVariables)
+            ->renderResponse('Backend/List');
     }
 
     public function boostAction(bool $run = false): ResponseInterface
     {
-        $moduleTemplate = $this->moduleTemplateFactory->create($this->request);
-
         $configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
         $queueRepository = GeneralUtility::makeInstance(QueueRepository::class);
         if ($run) {
@@ -77,33 +71,33 @@
 
             $this->addFlashMessage('Run ' . \count($items) . ' entries', 'Runner', AbstractMessage::OK, true);
         }
-        $this->view->assignMultiple([
+        $viewVariables = [
             'enable' => (bool) $configurationService->get('boostMode'),
             'open' => \count($queueRepository->findOpen(99999999)),
             'old' => \count($queueRepository->findOldUids()),
-        ]);
+        ];
 
-        $moduleTemplate->setContent($this->view->render());
-        return new HtmlResponse($moduleTemplate->renderContent());
+        return $this->createModuleTemplate()
+            ->assignMultiple($viewVariables)
+            ->renderResponse('Backend/Boost');
     }
 
     public function supportAction(): ResponseInterface
     {
-        $moduleTemplate = $this->moduleTemplateFactory->create($this->request);
-
         $htaccessConfigurationService = GeneralUtility::makeInstance(HtaccessConfigurationService::class);
         $environmentService = GeneralUtility::makeInstance(EnvironmentService::class);
-        $this->view->assignMultiple([
+        $viewVariables = [
             'foundHtaccess' => $htaccessConfigurationService->foundConfigurationInHtaccess(),
             'htaccessPaths' => $htaccessConfigurationService->getHtaccessPaths(),
             'missingModules' => $htaccessConfigurationService->getMissingApacheModules(),
             'useCrawler' => ExtensionManagementUtility::isLoaded('crawler'),
             'envInfoLink' => $environmentService->getLink(),
             'envInfoMarkdown' => $environmentService->getMarkdown(),
-        ]);
+        ];
 
-        $moduleTemplate->setContent($this->view->render());
-        return new HtmlResponse($moduleTemplate->renderContent());
+        return $this->createModuleTemplate()
+            ->assignMultiple($viewVariables)
+            ->renderResponse('Backend/Boost');
     }
 
     /**
@@ -193,6 +187,13 @@
      */
     protected function getCurrentUid(): int
     {
-        return (int) GeneralUtility::_GET('id');
+        return (int)($this->request->getQueryParams()['id'] ?? 0);
+    }
+
+    protected function createModuleTemplate(): ModuleTemplate
+    {
+        return $this->moduleTemplateFactory->create($this->request)
+            ->setFlashMessageQueue($this->getFlashMessageQueue())
+            ->setModuleClass('tx-staticfilecache');
     }
 }

Classes/ViewHelpers/Format/StripEmptyVerticalSpacesViewHelper.php

@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+
+namespace SFC\Staticfilecache\ViewHelpers\Format;
+
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+class StripEmptyVerticalSpacesViewHelper extends AbstractViewHelper
+{
+    public function render(): string
+    {
+        $content = $this->renderChildren();
+        return preg_replace('#^\h*\v#ms', '', $content);
+    }
+}

Resources/Private/Partials/Backend/ListEntry.html

@@ -1,8 +1,8 @@
 <tr>
 	<td>
-		<f:format.raw>{row.title}</f:format.raw> <i>[{row.uid}]</i>
+		{row.title -> f:sanitize.html()} <i>[{row.uid}]</i>
 	</td>
-	<td><a href="{row.identifier}">{row.identifier}</a>
+	<td><a href="{row.identifier}" target="_blank">{row.identifier}</a>
 		<f:if condition="{row.cached}">
 			<f:then>
 				<core:icon identifier="status-status-permission-granted"/>

Resources/Private/Templates/Backend/Boost.html

@@ -1,4 +1,4 @@
-<f:layout name="Backend"/>
+<f:layout name="Module"/>
 
 <f:section name="Content">
 

Resources/Private/Templates/Backend/List.html

@@ -1,4 +1,4 @@
-<f:layout name="Backend"/>
+<f:layout name="Module"/>
 
 <f:section name="Content">
 

Resources/Private/Templates/Backend/Support.html

@@ -1,4 +1,4 @@
-<f:layout name="Backend"/>
+<f:layout name="Module"/>
 
 <f:section name="Content">
 

Resources/Private/Templates/Htaccess.html

@@ -1,11 +1,14 @@
 {escaping off}
+{namespace sfc=SFC\Staticfilecache\ViewHelpers}
 ForceType {contentType}
+<sfc:format.stripEmptyVerticalSpaces>
 <f:if condition="{sendCacheControlHeader}">
 <IfModule mod_expires.c>
 	ExpiresActive on
 	ExpiresByType {contentType} {mode}{lifetime}
 </IfModule>
 </f:if>
+
 <f:if condition="{sendCacheControlHeaderRedirectAfterCacheTimeout}">
 <IfModule mod_rewrite.c>
 	RewriteEngine On
@@ -22,9 +25,18 @@
 </f:if>
 
 <f:if condition="{headers}">
-	<IfModule mod_headers.c>
-		<f:for each="{headers}" key="name" as="value">
-				Header set {name} "{value}"
-		</f:for>
-	</IfModule>
+<IfModule mod_headers.c>
+<f:for each="{headers}" key="name" as="value">
+	Header set {name} "{value}"
+	<f:if condition="{name} == 'Content-Security-Policy'">
+	<f:comment><!--
+		see https://httpd.apache.org/docs/2.4/mod/mod_headers.html
+		`%t` results in `t=[unixtime in microseconds]`, thus `&t=` needs to be stripped
+	--></f:comment>
+	Header edit Content-Security-Policy (@http-reporting\?csp=report&requestTime=)\d+ $1@t&%t
+	Header edit Content-Security-Policy (@http-reporting\?csp=report&requestTime=)@t&t=(\d+) $1$2
+	</f:if>
+</f:for>
+</IfModule>
 </f:if>
+</sfc:format.stripEmptyVerticalSpaces>

ext_conf_template.txt

@@ -11,10 +11,10 @@ backendDisplayMode = both
 debugHeaders = 0
 
 # cat=basic; type=string; label=Valid .htaccess headers: List of headers that are transferred to the .htaccess configuration. E.g. if you use config.additionalHeaders.xxx you can add this headers here. Please change this configuration only, if you know what you do. "Content-Type" is recommended. Note: Content-Type will be added automatically.
-validHtaccessHeaders = Content-Type,Content-Language,Link,X-SFC-Tags
+validHtaccessHeaders = Content-Type,Content-Language,Content-Security-Policy,Link,X-SFC-Tags
 
 # cat=basic; type=string; label=Valid fallback middleware headers: List of headers that are transferred to the xxx.config.json file. E.g. if you use config.additionalHeaders.xxx and you have useFallbackMiddleware set to true, you can add this headers here. Please change this configuration only, if you know what you do. "Content-Type" is recommended. Note: Content-Type will be added automatically.
-validFallbackHeaders = Content-Type,Content-Language,Link,X-SFC-Tags
+validFallbackHeaders = Content-Type,Content-Language,Content-Security-Policy,Link,X-SFC-Tags
 
 # cat=basic; type=boolean; label=Disable StaticFileCache in development: When checked, the StaticFileCache won't be generated if in development application context.
 disableInDevelopment = 0