RecyclerUtility.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\Recycler\Utility;
 
use TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Type\Bitmask\Permission;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪RecyclerUtility
{
    /************************************************************
     * USER ACCESS
     *
     *
     ************************************************************/
    public static function ‪checkAccess($table, $row)
    {
        $backendUser = static::getBackendUser();
 
        if ($backendUser->isAdmin()) {
            return true;
        }
 
        if (!$backendUser->check('tables_modify', $table)) {
            return false;
        }
 
        // Checking if the user has permissions? (Only working as a precaution, because the final permission check is always down in TCE. But it's good to notify the user on beforehand...)
        // First, resetting flags.
        $hasAccess = false;
        $calcPRec = $row;
        BackendUtility::workspaceOL($table, $calcPRec, $backendUser->workspace);
        if (is_array($calcPRec)) {
            if ($table === 'pages') {
                $calculatedPermissions = new ‪Permission($backendUser->calcPerms($calcPRec));
                $hasAccess = $calculatedPermissions->editPagePermissionIsGranted();
            } else {
                $calculatedPermissions = new ‪Permission($backendUser->calcPerms(BackendUtility::getRecord('pages', $calcPRec['pid'])));
                // Fetching pid-record first.
                $hasAccess = $calculatedPermissions->editContentPermissionIsGranted();
            }
            // Check internals regarding access:
            if ($hasAccess) {
                $hasAccess = $backendUser->recordEditAccessInternals($table, $calcPRec);
            }
        }
        return $hasAccess;
    }
 
    public static function ‪getRecordPath($uid)
    {
        $uid = (int)$uid;
        ‪$output = '/';
        if ($uid === 0) {
            return ‪$output;
        }
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
        $queryBuilder->getRestrictions()->removeAll();
 
        $loopCheck = 100;
        while ($loopCheck > 0) {
            $loopCheck--;
 
            $queryBuilder
                ->select('uid', 'pid', 'title', 'deleted', 't3ver_oid', 't3ver_wsid', 't3ver_state')
                ->from('pages')
                ->where($queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid, ‪Connection::PARAM_INT)));
            $row = $queryBuilder->executeQuery()->fetchAssociative();
            if ($row !== false) {
                BackendUtility::workspaceOL('pages', $row);
                if (is_array($row)) {
                    $uid = (int)$row['pid'];
                    ‪$output = '/' . htmlspecialchars(GeneralUtility::fixed_lgd_cs($row['title'], 1000)) . ‪$output;
                    if ($row['deleted']) {
                        ‪$output = '<span class="text-danger">' . ‪$output . '</span>';
                    }
                } else {
                    break;
                }
            } else {
                break;
            }
        }
        return ‪$output;
    }
 
    public static function ‪getDeletedField($tableName)
    {
        $TCA = ‪self::getTableTCA($tableName);
        if ($TCA && isset($TCA['ctrl']['delete']) && $TCA['ctrl']['delete']) {
            return $TCA['ctrl']['delete'];
        }
        return '';
    }
 
    public static function ‪isParentPageDeleted($pid)
    {
        if ((int)$pid === 0) {
            return false;
        }
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
        $queryBuilder->getRestrictions()->removeAll();
 
        $deleted = $queryBuilder
            ->select('deleted')
            ->from('pages')
            ->where($queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($pid, ‪Connection::PARAM_INT)))
            ->executeQuery()
            ->fetchOne();
 
        return (bool)$deleted;
    }
 
    public static function ‪getPidOfUid($uid, $table)
    {
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($table);
        $queryBuilder->getRestrictions()->removeAll();
 
        $pid = $queryBuilder
            ->select('pid')
            ->from($table)
            ->where($queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid, ‪Connection::PARAM_INT)))
            ->executeQuery()
            ->fetchOne();
 
        return (int)$pid;
    }
 
    public static function ‪getTableTCA($tableName)
    {
        $TCA = false;
        if (isset(‪$GLOBALS['TCA'][$tableName])) {
            $TCA = ‪$GLOBALS['TCA'][$tableName];
        }
        return $TCA;
    }
 
    protected static function ‪getBackendUser()
    {
        return ‪$GLOBALS['BE_USER'];
    }
 
    protected static function ‪getLanguageService()
    {
        return ‪$GLOBALS['LANG'];
    }
 
    public static function ‪getModifyableTables()
    {
        if (‪$GLOBALS['BE_USER']->isAdmin()) {
            $tables = array_keys(‪$GLOBALS['TCA']);
        } else {
            $tables = explode(',', ‪$GLOBALS['BE_USER']->groupData['tables_modify']);
        }
        return $tables;
    }
}