151 lines
4.3 KiB
PHP
151 lines
4.3 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace TYPO3\CMS\Install\Updates;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Update the backend user "uc" array to use arrays for its structure, as old TYPO3 versions sometimes used stdClasses
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* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
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*/
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class BackendUserConfigurationUpdate implements UpgradeWizardInterface
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{
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/**
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* @return string Unique identifier of this updater
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*/
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public function getIdentifier(): string
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{
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return 'backendUsersConfiguration';
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}
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/**
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* @return string Title of this updater
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*/
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public function getTitle(): string
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{
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return 'Update backend user configuration array';
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}
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/**
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* @return string Longer description of this updater
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*/
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public function getDescription(): string
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{
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return 'The backend user "uc" array, which is persisted in the db, now only allows for'
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. ' arrays inside its structure instead of stdClass objects.'
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. ' Update the uc structure for all backend users.';
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}
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/**
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* Checks if an update is needed
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*
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* @return bool Whether an update is needed (TRUE) or not (FALSE)
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*/
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public function updateNecessary(): bool
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{
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$needsExecution = false;
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foreach ($this->getAffectedBackendUsers() as $backendUser) {
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$userConfig = $this->unserializeUserConfig($backendUser['uc']);
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if (!is_array($userConfig)) {
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continue;
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}
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array_walk_recursive($userConfig, function (&$item) use (&$needsExecution) {
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if ($item instanceof \stdClass) {
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$needsExecution = true;
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}
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});
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if ($needsExecution) {
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break;
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}
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}
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return $needsExecution;
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}
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/**
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* @return string[] All new fields and tables must exist
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*/
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public function getPrerequisites(): array
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{
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return [
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DatabaseUpdatedPrerequisite::class
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];
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}
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/**
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* Performs the database update for be_users
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*
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* @return bool
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*/
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public function executeUpdate(): bool
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{
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foreach ($this->getAffectedBackendUsers() as $backendUser) {
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$userConfig = $this->unserializeUserConfig($backendUser['uc']);
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if (!is_array($userConfig)) {
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continue;
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}
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array_walk_recursive($userConfig, function (&$item) {
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if ($item instanceof \stdClass) {
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$item = json_decode(json_encode($item), true);
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}
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});
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$this->updateBackendUser((int)$backendUser['uid'], $userConfig);
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}
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return true;
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}
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private function unserializeUserConfig(string $userConfig)
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{
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return unserialize($userConfig, ['allowed_classes' => ['stdClass']]);
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}
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private function getAffectedBackendUsers(): iterable
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{
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('be_users');
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$queryBuilder->getRestrictions()->removeAll();
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$statement = $queryBuilder
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->select('uid', 'uc')
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->from('be_users')
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->where(
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$queryBuilder->expr()->like(
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'uc',
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$queryBuilder->createNamedParameter(
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'%"stdClass"%'
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)
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)
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);
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return $statement->execute();
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}
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private function updateBackendUser(int $userId, array $userConfig): void
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{
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$connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('be_users');
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$connection->update('be_users', ['uc' => serialize($userConfig)], ['uid' => $userId], [\PDO::PARAM_LOB, \PDO::PARAM_INT]);
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}
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}
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