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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\Install\SystemEnvironment;
use TYPO3\CMS\Core\Core\Environment;
use TYPO3\CMS\Core\Messaging\FlashMessage;
use TYPO3\CMS\Core\Messaging\FlashMessageQueue;
use TYPO3\CMS\Core\Middleware\VerifyHostHeader;
use TYPO3\CMS\Core\Service\OpcodeCacheService;
use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Check TYPO3 setup status
*
* This class is a hardcoded requirement check for the TYPO3 setup.
*
* The status messages and title *must not* include HTML, use plain
* text only. The return values of this class are not bound to HTML
* and can be used in different scopes (eg. as json array).
*
* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
*/
class SetupCheck implements CheckInterface
{
/**
* @var FlashMessageQueue
*/
protected $messageQueue;
/**
* Get all status information as array with status objects
*/
public function getStatus(): FlashMessageQueue
{
$this->messageQueue = new FlashMessageQueue('install');
$this->checkTrustedHostPattern();
$this->checkDownloadsPossible();
$this->checkSystemLocale();
$this->checkLocaleWithUTF8filesystem();
$this->checkSomePhpOpcodeCacheIsLoaded();
$this->isTrueTypeFontWorking();
$this->checkLibXmlBug();
return $this->messageQueue;
}
/**
* Checks the status of the trusted hosts pattern check
*/
protected function checkTrustedHostPattern()
{
if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] === VerifyHostHeader::ENV_TRUSTED_HOSTS_PATTERN_ALLOW_ALL) {
$this->messageQueue->enqueue(new FlashMessage(
'Trusted hosts pattern is configured to allow all header values. Check the pattern defined in Admin'
. ' Tools -> Settings -> Configure Installation-Wide Options -> System -> trustedHostsPattern'
. ' and adapt it to expected host value(s).',
'Trusted hosts pattern is insecure',
ContextualFeedbackSeverity::WARNING
));
} else {
$verifyHostHeader = new VerifyHostHeader($GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] ?? '');
if ($verifyHostHeader->isAllowedHostHeaderValue($_SERVER['HTTP_HOST'], $_SERVER)) {
$this->messageQueue->enqueue(new FlashMessage(
'',
'Trusted hosts pattern is configured to allow current host value.'
));
} else {
$this->messageQueue->enqueue(new FlashMessage(
'The trusted hosts pattern will be configured to allow all header values. This is because your $SERVER_NAME:$SERVER_PORT'
. ' is "' . $_SERVER['SERVER_NAME'] . ':' . $_SERVER['SERVER_PORT'] . '" while your HTTP_HOST is "'
. $_SERVER['HTTP_HOST'] . '". Check the pattern defined in Admin'
. ' Tools -> Settings -> Configure Installation-Wide Options -> System -> trustedHostsPattern'
. ' and adapt it to expected host value(s).',
'Trusted hosts pattern mismatch',
ContextualFeedbackSeverity::ERROR
));
}
}
}
/**
* Check if it is possible to download external data (e.g. TER)
* Either allow_url_fopen must be enabled or curl must be used
*/
protected function checkDownloadsPossible()
{
$allowUrlFopen = (bool)ini_get('allow_url_fopen');
$curlEnabled = function_exists('curl_version');
if ($allowUrlFopen || $curlEnabled) {
$this->messageQueue->enqueue(new FlashMessage(
'',
'Fetching external URLs is allowed'
));
} else {
$this->messageQueue->enqueue(new FlashMessage(
'Either enable PHP runtime setting "allow_url_fopen"' . LF . 'or compile curl into your PHP with --with-curl.',
'Fetching external URLs is not allowed',
ContextualFeedbackSeverity::WARNING
));
}
}
/**
* Check if systemLocale setting is correct (locale exists in the OS)
*/
protected function checkSystemLocale()
{
$currentLocale = (string)setlocale(LC_CTYPE, '0');
// On Windows an empty locale value uses the regional settings from the Control Panel
if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale'] === '' && !Environment::isWindows()) {
$this->messageQueue->enqueue(new FlashMessage(
'$GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] is not set. This is fine as long as no UTF-8 file system is used.',
'Empty systemLocale setting',
ContextualFeedbackSeverity::INFO
));
} elseif (setlocale(LC_CTYPE, $GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale']) === false) {
$this->messageQueue->enqueue(new FlashMessage(
'Current value of the $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] is incorrect. A locale with'
. ' this name doesn\'t exist in the operating system.',
'Incorrect systemLocale setting',
ContextualFeedbackSeverity::ERROR
));
setlocale(LC_CTYPE, $currentLocale);
} else {
$this->messageQueue->enqueue(new FlashMessage(
'',
'System locale is correct'
));
}
}
/**
* Checks whether we can use file names with UTF-8 characters.
* Configured system locale must support UTF-8 when UTF8filesystem is set
*/
protected function checkLocaleWithUTF8filesystem()
{
if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['UTF8filesystem']) {
// On Windows an empty local value uses the regional settings from the Control Panel
if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale'] === '' && !Environment::isWindows()) {
$this->messageQueue->enqueue(new FlashMessage(
'$GLOBALS[TYPO3_CONF_VARS][SYS][UTF8filesystem] is set, but $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale]'
. ' is empty. Make sure a valid locale which supports UTF-8 is set.',
'System locale not set on UTF-8 file system',
ContextualFeedbackSeverity::ERROR
));
} else {
$testString = 'ÖöĄĆŻĘĆćążąęó.jpg';
$currentLocale = (string)setlocale(LC_CTYPE, '0');
$quote = Environment::isWindows() ? '"' : '\'';
setlocale(LC_CTYPE, $GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale']);
if (escapeshellarg($testString) === $quote . $testString . $quote) {
$this->messageQueue->enqueue(new FlashMessage(
'',
'File names with UTF-8 characters can be used.'
));
} else {
$this->messageQueue->enqueue(new FlashMessage(
'Please check your $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] setting.',
'System locale setting doesn\'t support UTF-8 file names.',
ContextualFeedbackSeverity::ERROR
));
}
setlocale(LC_CTYPE, $currentLocale);
}
} else {
$this->messageQueue->enqueue(new FlashMessage(
'',
'Skipping test, as UTF8filesystem is not enabled.'
));
}
}
/**
* Check if some opcode cache is loaded
*/
protected function checkSomePhpOpcodeCacheIsLoaded()
{
$opcodeCaches = GeneralUtility::makeInstance(OpcodeCacheService::class)->getAllActive();
if (empty($opcodeCaches)) {
// Set status to notice. It needs to be notice so email won't be triggered.
$this->messageQueue->enqueue(new FlashMessage(
'PHP opcode caches hold a compiled version of executed PHP scripts in'
. ' memory and do not require to recompile a script each time it is accessed.'
. ' This can be a massive performance improvement and can reduce the load on a'
. ' server in general. A parse time reduction by factor three for fully cached'
. ' pages can be achieved easily if using an opcode cache.',
'No PHP opcode cache loaded',
ContextualFeedbackSeverity::NOTICE
));
} else {
$status = ContextualFeedbackSeverity::OK;
$message = '';
foreach ($opcodeCaches as $opcodeCache => $properties) {
$message .= 'Name: ' . $opcodeCache . ' Version: ' . $properties['version'];
$message .= LF;
if ($properties['warning']) {
$status = ContextualFeedbackSeverity::WARNING;
$message .= ' ' . $properties['warning'];
} else {
$message .= ' This opcode cache should work correctly and has good performance.';
}
$message .= LF;
}
// Set title of status depending on severity
switch ($status) {
case ContextualFeedbackSeverity::WARNING:
$title = 'A possibly malfunctioning PHP opcode cache is loaded';
break;
case ContextualFeedbackSeverity::OK:
default:
$title = 'A PHP opcode cache is loaded';
break;
}
$this->messageQueue->enqueue(new FlashMessage(
$message,
$title,
$status
));
}
}
/**
* Create true type font test image
*/
protected function isTrueTypeFontWorking()
{
if (function_exists('imageftbbox')) {
// 20 Pixels at 96 DPI
$fontSize = (20 / 96 * 72);
$textDimensions = @imageftbbox(
$fontSize,
0,
__DIR__ . '/../../Resources/Private/Font/vera.ttf',
'Testing true type support'
);
$fontBoxWidth = $textDimensions[2] - $textDimensions[0];
if ($fontBoxWidth < 300 && $fontBoxWidth > 200) {
$this->messageQueue->enqueue(new FlashMessage(
'Fonts are rendered by FreeType library. '
. 'We need to ensure that the final dimensions are as expected. '
. 'This server renderes fonts based on 96 DPI correctly',
'FreeType True Type Font DPI'
));
} else {
$this->messageQueue->enqueue(new FlashMessage(
'Fonts are rendered by FreeType library. '
. 'This server does not render fonts as expected. '
. 'Please check your FreeType 2 module.',
'FreeType True Type Font DPI',
ContextualFeedbackSeverity::NOTICE
));
}
} else {
$this->messageQueue->enqueue(new FlashMessage(
'The core relies on GD library compiled into PHP with freetype2'
. ' support. This is missing on your system. Please install it.',
'PHP GD library freetype2 support missing',
ContextualFeedbackSeverity::ERROR
));
}
}
/**
* Check for bug in libxml
*/
protected function checkLibXmlBug()
{
$sampleArray = ['Test>><<Data'];
$xmlContent = '<numIndex index="0">Test>><<Data</numIndex>' . LF;
$xml = GeneralUtility::array2xml($sampleArray, '', -1);
if ($xmlContent !== $xml) {
$this->messageQueue->enqueue(new FlashMessage(
'Some hosts have problems saving ">><<" in a flexform.'
. ' To fix this, enable [BE][flexformForceCDATA] in'
. ' All Configuration.',
'PHP libxml bug present',
ContextualFeedbackSeverity::ERROR
));
} else {
$this->messageQueue->enqueue(new FlashMessage(
'',
'PHP libxml bug not present'
));
}
}
}