Files
cms-core/Classes/Configuration/SiteWriter.php
T

244 lines
10 KiB
PHP

<?php
declare(strict_types=1);
/*
* 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\Core\Configuration;
use Psr\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\Yaml\Yaml;
use TYPO3\CMS\Core\Configuration\Event\SiteConfigurationBeforeWriteEvent;
use TYPO3\CMS\Core\Configuration\Event\SiteConfigurationChangedEvent;
use TYPO3\CMS\Core\Configuration\Exception\SiteConfigurationWriteException;
use TYPO3\CMS\Core\Configuration\Loader\Exception\YamlPlaceholderException;
use TYPO3\CMS\Core\Configuration\Loader\YamlFileLoader;
use TYPO3\CMS\Core\Configuration\Loader\YamlPlaceholderGuard;
use TYPO3\CMS\Core\Exception\SiteNotFoundException;
use TYPO3\CMS\Core\Utility\ArrayUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Writes Site objects into site configuration files.
*
* @internal
*/
readonly class SiteWriter
{
/**
* Config yaml file name.
*/
private const string CONFIG_FILE_NAME = 'config.yaml';
/**
* YAML file name with all settings.
*/
private const string SETTINGS_FILE_NAME = 'settings.yaml';
public function __construct(
protected readonly string $configPath,
protected readonly EventDispatcherInterface $eventDispatcher,
private readonly YamlFileLoader $yamlFileLoader,
) {}
/**
* Creates a site configuration with one language "English" which is the de-facto default language for TYPO3 in general.
*
* @param string[] $dependencies Site set identifiers to add as dependencies
* @throws SiteConfigurationWriteException
*/
public function createNewBasicSite(string $identifier, int $rootPageId, string $base, array $dependencies = []): void
{
// Create a default site configuration called "main" as best practice
$configuration = [
'rootPageId' => $rootPageId,
'base' => $base,
'languages' => [
0 => [
'title' => 'English',
'enabled' => true,
'languageId' => 0,
'base' => '/',
'locale' => 'en_US.UTF-8',
'navigationTitle' => 'English',
'flag' => 'us',
],
],
'errorHandling' => [],
'routes' => [],
'dependencies' => $dependencies,
];
$this->write($identifier, $configuration);
}
public function writeSettings(string $siteIdentifier, array $settings): void
{
$fileName = $this->configPath . '/' . $siteIdentifier . '/' . self::SETTINGS_FILE_NAME;
if ($settings === []) {
if (!is_file($fileName)) {
return;
}
$yamlFileContents = '# No site specific settings defined';
} else {
$yamlFileContents = Yaml::dump($settings, 99, 2, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE | Yaml::DUMP_OBJECT_AS_MAP);
}
if (!GeneralUtility::writeFile($fileName, $yamlFileContents, true)) {
throw new SiteConfigurationWriteException('Unable to write site settings in sites/' . $siteIdentifier . '/' . self::SETTINGS_FILE_NAME, 1590487411);
}
}
/**
* Add or update a site configuration
*
* @param bool $protectPlaceholders whether to disallow introducing new placeholders
* @todo enforce $protectPlaceholders with TYPO3 v13.0
* @throws SiteConfigurationWriteException
*/
public function write(string $siteIdentifier, array $configuration, bool $protectPlaceholders = false): void
{
$folder = $this->configPath . '/' . $siteIdentifier;
$fileName = $folder . '/' . self::CONFIG_FILE_NAME;
$newConfiguration = $configuration;
if (!file_exists($folder)) {
GeneralUtility::mkdir_deep($folder);
if ($protectPlaceholders && $newConfiguration !== []) {
$newConfiguration = $this->protectPlaceholders([], $newConfiguration);
}
} elseif (file_exists($fileName)) {
// load without any processing to have the unprocessed base to modify
$newConfiguration = $this->yamlFileLoader->load(GeneralUtility::fixWindowsFilePath($fileName), 0);
// load the processed configuration to diff changed values,
// but don't process placeholders, because all properties that
// were modified via GUI are unprocessed values as well
$processed = $this->yamlFileLoader->load(GeneralUtility::fixWindowsFilePath($fileName), YamlFileLoader::PROCESS_IMPORTS);
// find properties that were modified via GUI
$newModified = array_replace_recursive(
self::findRemoved($processed, $configuration),
self::findModified($processed, $configuration)
);
if ($protectPlaceholders && $newModified !== []) {
$newModified = $this->protectPlaceholders($newConfiguration, $newModified);
}
// change _only_ the modified keys, leave the original non-changed areas alone
ArrayUtility::mergeRecursiveWithOverrule($newConfiguration, $newModified);
}
$event = $this->eventDispatcher->dispatch(new SiteConfigurationBeforeWriteEvent($siteIdentifier, $newConfiguration));
$newConfiguration = $this->sortConfiguration($event->getConfiguration());
$yamlFileContents = Yaml::dump($newConfiguration, 99, 2);
if (!GeneralUtility::writeFile($fileName, $yamlFileContents, true)) {
throw new SiteConfigurationWriteException('Unable to write site configuration in sites/' . $siteIdentifier . '/' . self::CONFIG_FILE_NAME, 1590487011);
}
$this->eventDispatcher->dispatch(new SiteConfigurationChangedEvent($siteIdentifier));
}
/**
* Renames a site identifier (and moves the folder)
*
* @throws SiteConfigurationWriteException
*/
public function rename(string $currentIdentifier, string $newIdentifier): void
{
if (!rename($this->configPath . '/' . $currentIdentifier, $this->configPath . '/' . $newIdentifier)) {
throw new SiteConfigurationWriteException('Unable to rename folder sites/' . $currentIdentifier, 1522491300);
}
$this->eventDispatcher->dispatch(new SiteConfigurationChangedEvent($newIdentifier));
}
/**
* Removes the config.yaml file of a site configuration.
* Also clears the cache.
*
* @throws SiteNotFoundException|SiteConfigurationWriteException
*/
public function delete(string $siteIdentifier): void
{
$fileName = $this->configPath . '/' . $siteIdentifier . '/' . self::CONFIG_FILE_NAME;
if (!file_exists($fileName)) {
throw new SiteNotFoundException('Site configuration file ' . self::CONFIG_FILE_NAME . ' within the site ' . $siteIdentifier . ' not found.', 1522866184);
}
if (!unlink($fileName)) {
throw new SiteConfigurationWriteException('Unable to delete folder sites/' . $siteIdentifier, 1596462020);
}
$this->eventDispatcher->dispatch(new SiteConfigurationChangedEvent($siteIdentifier));
}
/**
* Detects placeholders that have been introduced and handles* them.
* (*) currently throws an exception, but could be purged or escaped as well
*
* @param array<string, mixed> $existingConfiguration
* @param array<string, mixed> $modifiedConfiguration
* @return array<string, mixed> sanitized configuration (currently not used, exception thrown before)
* @throws SiteConfigurationWriteException
*/
protected function protectPlaceholders(array $existingConfiguration, array $modifiedConfiguration): array
{
try {
return GeneralUtility::makeInstance(YamlPlaceholderGuard::class, $existingConfiguration)
->process($modifiedConfiguration);
} catch (YamlPlaceholderException $exception) {
throw new SiteConfigurationWriteException($exception->getMessage(), 1670361271, $exception);
}
}
protected function sortConfiguration(array $newConfiguration): array
{
ksort($newConfiguration);
if (isset($newConfiguration['imports'])) {
$imports = $newConfiguration['imports'];
unset($newConfiguration['imports']);
$newConfiguration['imports'] = $imports;
}
return $newConfiguration;
}
protected static function findModified(array $currentConfiguration, array $newConfiguration): array
{
$differences = [];
foreach ($newConfiguration as $key => $value) {
if (!isset($currentConfiguration[$key]) || $currentConfiguration[$key] !== $value) {
if (!isset($value) && isset($currentConfiguration[$key])) {
$differences[$key] = '__UNSET';
} elseif (isset($currentConfiguration[$key])
&& is_array($value)
&& is_array($currentConfiguration[$key])
) {
$differences[$key] = self::findModified($currentConfiguration[$key], $value);
} else {
$differences[$key] = $value;
}
}
}
return $differences;
}
protected static function findRemoved(array $currentConfiguration, array $newConfiguration): array
{
$removed = [];
foreach ($currentConfiguration as $key => $value) {
if (!isset($newConfiguration[$key])) {
$removed[$key] = '__UNSET';
} elseif (isset($value) && is_array($value) && is_array($newConfiguration[$key])) {
$removedInRecursion = self::findRemoved($value, $newConfiguration[$key]);
if (!empty($removedInRecursion)) {
$removed[$key] = $removedInRecursion;
}
}
}
return $removed;
}
}