SystemInformationToolbarItem.php

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<?php
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Backend\Backend\ToolbarItems;
 
use Psr\EventDispatcher\EventDispatcherInterface;
use ‪TYPO3\CMS\Backend\Backend\Event\SystemInformationToolbarCollectorEvent;
use ‪TYPO3\CMS\Backend\Routing\UriBuilder;
use ‪TYPO3\CMS\Backend\Toolbar\Enumeration\InformationStatus;
use ‪TYPO3\CMS\Backend\Toolbar\ToolbarItemInterface;
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Information\Typo3Version;
use ‪TYPO3\CMS\Core\Localization\LanguageService;
use ‪TYPO3\CMS\Core\Page\PageRenderer;
use ‪TYPO3\CMS\Core\Routing\RouteNotFoundException;
use ‪TYPO3\CMS\Core\Utility\CommandUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\StringUtility;
use ‪TYPO3\CMS\Fluid\View\StandaloneView;
 
class ‪SystemInformationToolbarItem implements ‪ToolbarItemInterface
{
    protected ‪$totalCount = 0;
 
    protected ‪$highestSeverity;
 
    protected ‪$severityBadgeClass = '';
 
    protected ‪$systemInformation = [];
 
    protected ‪$systemMessages = [];
 
    protected ‪$eventDispatcher;
 
    protected ‪$maximumCountInBadge = 99;
 
    protected ‪$typo3Version;
 
    public function ‪__construct(EventDispatcherInterface ‪$eventDispatcher = null)
    {
        $this->eventDispatcher = ‪$eventDispatcher ?? GeneralUtility::getContainer()->get(EventDispatcherInterface::class);
        $this->typo3Version = GeneralUtility::makeInstance(Typo3Version::class);
        $this->‪getPageRenderer()->‪loadRequireJsModule('TYPO3/CMS/Backend/Toolbar/SystemInformationMenu');
        $this->highestSeverity = ‪InformationStatus::cast(‪InformationStatus::STATUS_INFO);
    }
 
    public function ‪addSystemMessage($text, $status = ‪InformationStatus::STATUS_OK, $count = 0, $module = '', $params = '')
    {
        $this->totalCount += (int)$count;
 
        $messageSeverity = ‪InformationStatus::cast($status);
        // define the severity for the badge
        if ($messageSeverity->isGreaterThan($this->highestSeverity)) {
            $this->highestSeverity = $messageSeverity;
        }
 
        $this->systemMessages[] = [
            'module' => $module,
            'params' => $params,
            'count' => (int)$count,
            'status' => $messageSeverity,
            'text' => $text
        ];
    }
 
    public function ‪addSystemInformation($title, $value, $iconIdentifier, $status = ‪InformationStatus::STATUS_NOTICE)
    {
        $this->systemInformation[] = [
            'title' => $title,
            'value' => $value,
            'iconIdentifier' => $iconIdentifier,
            'status' => $status
        ];
    }
 
    public function ‪checkAccess()
    {
        return $this->‪getBackendUserAuthentication()->‪isAdmin();
    }
 
    public function ‪getItem()
    {
        return $this->‪getFluidTemplateObject('SystemInformationToolbarItem.html')->‪render();
    }
 
    public function ‪getDropDown()
    {
        if (!$this->‪checkAccess()) {
            return '';
        }
 
        $this->‪collectInformation();
 
        $uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
        $view = $this->‪getFluidTemplateObject('SystemInformationDropDown.html');
 
        try {
            $environmentToolUrl = (string)$uriBuilder->buildUriFromRoute('tools_toolsenvironment');
        } catch (RouteNotFoundException $e) {
            $environmentToolUrl = '';
        }
 
        $view->assignMultiple([
            'environmentToolUrl' => $environmentToolUrl,
            'messages' => $this->systemMessages,
            'count' => $this->totalCount > $this->maximumCountInBadge ? $this->maximumCountInBadge . '+' : $this->totalCount,
            'severityBadgeClass' => $this->severityBadgeClass,
            'systemInformation' => $this->systemInformation
        ]);
        return $view->render();
    }
 
    public function ‪getAdditionalAttributes()
    {
        return [];
    }
 
    public function ‪hasDropDown()
    {
        return true;
    }
 
    public function ‪getIndex()
    {
        return 75;
    }
 
    protected function ‪collectInformation()
    {
        $this->‪getTypo3Version();
        $this->‪getWebServer();
        $this->‪getPhpVersion();
        $this->‪getDatabase();
        $this->‪getApplicationContext();
        $this->‪getComposerMode();
        $this->‪getGitRevision();
        $this->‪getOperatingSystem();
 
        $this->eventDispatcher->dispatch(new ‪SystemInformationToolbarCollectorEvent($this));
 
        $this->severityBadgeClass = !$this->highestSeverity->equals(‪InformationStatus::STATUS_NOTICE) ? 'badge-' . (string)$this->highestSeverity : '';
    }
 
    protected function ‪getTypo3Version()
    {
        $this->systemInformation[] = [
            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.typo3-version',
            'value' => $this->typo3Version->getVersion(),
            'iconIdentifier' => 'information-typo3-version'
        ];
    }
 
    protected function ‪getWebServer()
    {
        $this->systemInformation[] = [
            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.webserver',
            'value' => $_SERVER['SERVER_SOFTWARE'],
            'iconIdentifier' => 'information-webserver'
        ];
    }
 
    protected function ‪getPhpVersion()
    {
        $this->systemInformation[] = [
            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.phpversion',
            'value' => PHP_VERSION,
            'iconIdentifier' => 'information-php-version'
        ];
    }
 
    protected function ‪getDatabase()
    {
        foreach (GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionNames() as $connectionName) {
            $serverVersion = '[' . $this->‪getLanguageService()->‪sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.database.offline') . ']';
            $success = true;
            try {
                $serverVersion = GeneralUtility::makeInstance(ConnectionPool::class)
                    ->getConnectionByName($connectionName)
                    ->getServerVersion();
            } catch (\‪Exception $exception) {
                $success = false;
            }
            $this->systemInformation[] = [
                'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.database',
                'titleAddition' => $connectionName,
                'value' => $serverVersion,
                'status' => $success ?: ‪InformationStatus::STATUS_WARNING,
                'iconIdentifier' => 'information-database'
            ];
        }
    }
 
    protected function ‪getApplicationContext()
    {
        $applicationContext = ‪Environment::getContext();
        $this->systemInformation[] = [
            'title'  => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.applicationcontext',
            'value'  => (string)$applicationContext,
            'status' => $applicationContext->isProduction() ? ‪InformationStatus::STATUS_OK : ‪InformationStatus::STATUS_WARNING,
            'iconIdentifier' => 'information-application-context'
        ];
    }
 
    protected function ‪getComposerMode()
    {
        if (!‪Environment::isComposerMode()) {
            return;
        }
 
        $this->systemInformation[] = [
            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.composerMode',
            'value' => $this->‪getLanguageService()->‪sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.enabled'),
            'iconIdentifier' => 'information-composer-mode'
        ];
    }
 
    protected function ‪getGitRevision()
    {
        if (!‪StringUtility::endsWith($this->typo3Version->getVersion(), '-dev') || $this->isFunctionDisabled('exec')) {
            return;
        }
        // check if git exists
        ‪CommandUtility::exec('git --version', $_, $returnCode);
        if ((int)$returnCode !== 0) {
            // git is not available
            return;
        }
 
        $revision = trim(‪CommandUtility::exec('git rev-parse --short HEAD'));
        $branch = trim(‪CommandUtility::exec('git rev-parse --abbrev-ref HEAD'));
        if (!empty($revision) && !empty($branch)) {
            $this->systemInformation[] = [
                'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.gitrevision',
                'value' => sprintf('%s [%s]', $revision, $branch),
                'iconIdentifier' => 'information-git'
            ];
        }
    }
 
    protected function ‪getOperatingSystem()
    {
        switch (PHP_OS_FAMILY) {
            case 'Linux':
                $icon = 'linux';
                break;
            case 'Darwin':
                $icon = 'apple';
                break;
            case 'Windows':
                $icon = 'windows';
                break;
            default:
                $icon = 'unknown';
        }
        $this->systemInformation[] = [
            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:toolbarItems.sysinfo.operatingsystem',
            'value' => PHP_OS . ' ' . php_uname('r'),
            'iconIdentifier' => 'information-os-' . $icon
        ];
    }
 
    protected function ‪getFluidTemplateObject(string $filename): ‪StandaloneView
    {
        $view = GeneralUtility::makeInstance(StandaloneView::class);
        $view->setLayoutRootPaths(['EXT:backend/Resources/Private/Layouts']);
        $view->setPartialRootPaths(['EXT:backend/Resources/Private/Partials/ToolbarItems']);
        $view->setTemplateRootPaths(['EXT:backend/Resources/Private/Templates/ToolbarItems']);
 
        $view->setTemplate($filename);
 
        $view->getRequest()->setControllerExtensionName('Backend');
        return $view;
    }
 
    protected function ‪isFunctionDisabled(string $functionName): bool
    {
        $disabledFunctions = ‪GeneralUtility::trimExplode(',', (string)ini_get('disable_functions'));
        if (!empty($disabledFunctions)) {
            return in_array($functionName, $disabledFunctions, true);
        }
        return false;
    }
 
    protected function ‪getBackendUserAuthentication()
    {
        return ‪$GLOBALS['BE_USER'];
    }
 
    protected function ‪getLanguageService(): ?‪LanguageService
    {
        return ‪$GLOBALS['LANG'] ?? null;
    }
 
    protected function ‪getPageRenderer()
    {
        return GeneralUtility::makeInstance(PageRenderer::class);
    }
}