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| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace B13\Container\Hooks\Datahandler\ContentElementRestriction; |
| 6 | + |
| 7 | +/* |
| 8 | + * This file is part of TYPO3 CMS-based extension "container" by b13. |
| 9 | + * |
| 10 | + * It is free software; you can redistribute it and/or modify it under |
| 11 | + * the terms of the GNU General Public License, either version 2 |
| 12 | + * of the License, or any later version. |
| 13 | + */ |
| 14 | + |
| 15 | +use B13\Container\Domain\Factory\ContainerFactory; |
| 16 | +use B13\Container\Domain\Factory\Exception; |
| 17 | +use B13\Container\Hooks\Datahandler\DatahandlerProcess; |
| 18 | +use B13\Container\Tca\Registry; |
| 19 | +use Symfony\Component\DependencyInjection\Attribute\Autoconfigure; |
| 20 | +use TYPO3\CMS\Backend\Utility\BackendUtility; |
| 21 | +use TYPO3\CMS\Backend\View\BackendLayoutView; |
| 22 | +use TYPO3\CMS\Core\DataHandling\DataHandler; |
| 23 | +use TYPO3\CMS\Core\Utility\GeneralUtility; |
| 24 | +use TYPO3\CMS\Core\Utility\MathUtility; |
| 25 | + |
| 26 | +#[Autoconfigure(public: true)] |
| 27 | +class DataHandlerHook |
| 28 | +{ |
| 29 | + protected $lockDatamapHook = false; |
| 30 | + |
| 31 | + public function __construct( |
| 32 | + private BackendLayoutView $backendLayoutView, |
| 33 | + private DatahandlerProcess $datahandlerProcess, |
| 34 | + private ContainerFactory $containerFactory, |
| 35 | + private Registry $registry |
| 36 | + ) { |
| 37 | + } |
| 38 | + |
| 39 | + public function processCmdmap_beforeStart(DataHandler $dataHandler): void |
| 40 | + { |
| 41 | + $cmdmap = $dataHandler->cmdmap; |
| 42 | + if (isset($cmdmap['pages'])) { |
| 43 | + $this->lockDatamapHook = true; |
| 44 | + } |
| 45 | + if (empty($cmdmap['tt_content']) || $dataHandler->bypassAccessCheckForRecords) { |
| 46 | + return; |
| 47 | + } |
| 48 | + $this->lockDatamapHook = true; |
| 49 | + if ($this->datahandlerProcess->areContentElementRestrictionsLooked()) { |
| 50 | + return; |
| 51 | + } |
| 52 | + foreach ($cmdmap['tt_content'] as $id => $incomingFieldArray) { |
| 53 | + foreach ($incomingFieldArray as $command => $value) { |
| 54 | + if (!in_array($command, ['copy', 'move'], true)) { |
| 55 | + continue; |
| 56 | + } |
| 57 | + $currentRecord = BackendUtility::getRecord('tt_content', $id); |
| 58 | + |
| 59 | + // EXT:container start |
| 60 | + if ( |
| 61 | + (!empty($value['update'])) && |
| 62 | + isset($value['update']['colPos']) && |
| 63 | + $value['update']['colPos'] > 0 && |
| 64 | + isset($value['update']['tx_container_parent']) && |
| 65 | + $value['update']['tx_container_parent'] > 0 && |
| 66 | + MathUtility::canBeInterpretedAsInteger($id) |
| 67 | + ) { |
| 68 | + $colPos = (int)$value['update']['colPos']; |
| 69 | + if (!empty($currentRecord['CType'])) { |
| 70 | + if ($this->checkContainerCType((int)$value['update']['tx_container_parent'], $currentRecord['CType'], (int)$value['update']['colPos']) === false) { |
| 71 | + // Not allowed to move or copy to target. Unset this command and create a log entry which may be turned into a notification when called by BE. |
| 72 | + unset($dataHandler->cmdmap['tt_content'][$id]); |
| 73 | + $dataHandler->log('tt_content', $id, 1, null, 1, 'The command "%s" for record "tt_content:%s" with CType "%s" to colPos "%s" couldn\'t be executed due to disallowed value(s).', null, [$command, $id, $currentRecord['CType'], $colPos]); |
| 74 | + } |
| 75 | + } |
| 76 | + $useChildId = null; |
| 77 | + if ($command === 'move') { |
| 78 | + $useChildId = $id; |
| 79 | + } |
| 80 | + if ($this->checkContainerMaxItems((int)$value['update']['tx_container_parent'], (int)$value['update']['colPos'], $useChildId)) { |
| 81 | + unset($dataHandler->cmdmap['tt_content'][$id]); |
| 82 | + $dataHandler->log('tt_content', $id, 1, null, 1, 'The command "%s" for record "tt_content:%s" to colPos "%s" couldn\'t be executed due to maxitems reached.', null, [$command, $id, $colPos]); |
| 83 | + } |
| 84 | + return; |
| 85 | + } |
| 86 | + // EXT:container end |
| 87 | + |
| 88 | + if (empty($currentRecord['CType'] ?? '')) { |
| 89 | + continue; |
| 90 | + } |
| 91 | + if (is_array($value) && !empty($value['action']) && $value['action'] === 'paste' && isset($value['update']['colPos'])) { |
| 92 | + // Moving / pasting to a new colPos on a potentially different page |
| 93 | + $pageId = (int)$value['target']; |
| 94 | + $colPos = (int)$value['update']['colPos']; |
| 95 | + } else { |
| 96 | + $pageId = (int)$value; |
| 97 | + $colPos = (int)$currentRecord['colPos']; |
| 98 | + } |
| 99 | + if ($pageId < 0) { |
| 100 | + $targetRecord = BackendUtility::getRecord('tt_content', abs($pageId)); |
| 101 | + $pageId = (int)$targetRecord['pid']; |
| 102 | + $colPos = (int)$targetRecord['colPos']; |
| 103 | + } |
| 104 | + |
| 105 | + $backendLayout = $this->backendLayoutView->getBackendLayoutForPage($pageId); |
| 106 | + $columnConfiguration = $this->backendLayoutView->getColPosConfigurationForPage($backendLayout, $colPos, $pageId); |
| 107 | + $allowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['allowedContentTypes'] ?? '', true); |
| 108 | + $disallowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['disallowedContentTypes'] ?? '', true); |
| 109 | + if ((!empty($allowedContentElementsInTargetColPos) && !in_array($currentRecord['CType'], $allowedContentElementsInTargetColPos, true)) |
| 110 | + || (!empty($disallowedContentElementsInTargetColPos) && in_array($currentRecord['CType'], $disallowedContentElementsInTargetColPos, true)) |
| 111 | + ) { |
| 112 | + // Not allowed to move or copy to target. Unset this command and create a log entry which may be turned into a notification when called by BE. |
| 113 | + unset($dataHandler->cmdmap['tt_content'][$id]); |
| 114 | + $dataHandler->log('tt_content', $id, 1, null, 1, 'The command "%s" for record "tt_content:%s" with CType "%s" to colPos "%s" couldn\'t be executed due to disallowed value(s).', null, [$command, $id, $currentRecord['CType'], $colPos]); |
| 115 | + } |
| 116 | + } |
| 117 | + } |
| 118 | + } |
| 119 | + |
| 120 | + protected function checkContainerMaxItems(int $containerId, int $colPos, ?int $childUid = null): bool |
| 121 | + { |
| 122 | + try { |
| 123 | + $container = $this->containerFactory->buildContainer($containerId); |
| 124 | + $columnConfiguration = $this->registry->getContentDefenderConfiguration($container->getCType(), $colPos); |
| 125 | + if (($columnConfiguration['maxitems'] ?? 0) === 0) { |
| 126 | + return false; |
| 127 | + } |
| 128 | + $childrenOfColumn = $container->getChildrenByColPos($colPos); |
| 129 | + $count = count($childrenOfColumn); |
| 130 | + if ($childUid !== null && $container->hasChildInColPos($colPos, $childUid)) { |
| 131 | + $count--; |
| 132 | + } |
| 133 | + return $count >= $columnConfiguration['maxitems']; |
| 134 | + } catch (Exception) { |
| 135 | + // not a container; |
| 136 | + } |
| 137 | + return false; |
| 138 | + } |
| 139 | + |
| 140 | + protected function checkContainerCType(int $containerId, string $cType, int $colPos): bool |
| 141 | + { |
| 142 | + try { |
| 143 | + $container = $this->containerFactory->buildContainer($containerId); |
| 144 | + $columnConfiguration = $this->registry->getContentDefenderConfiguration($container->getCType(), $colPos); |
| 145 | + $allowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['allowedContentTypes'] ?? '', true); |
| 146 | + $disallowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['disallowedContentTypes'] ?? '', true); |
| 147 | + if ((!empty($allowedContentElementsInTargetColPos) && !in_array($cType, $allowedContentElementsInTargetColPos, true)) |
| 148 | + || (!empty($disallowedContentElementsInTargetColPos) && in_array($cType, $disallowedContentElementsInTargetColPos, true)) |
| 149 | + ) { |
| 150 | + return false; |
| 151 | + } |
| 152 | + } catch (Exception) { |
| 153 | + // not a container; |
| 154 | + } |
| 155 | + return true; |
| 156 | + } |
| 157 | + |
| 158 | + public function processCmdmap_postProcess(string $command, string $table, $id, $value, DataHandler $dataHandler, $pasteUpdate, $pasteDatamap): void |
| 159 | + { |
| 160 | + $this->lockDatamapHook = false; |
| 161 | + } |
| 162 | + |
| 163 | + public function processDatamap_beforeStart(DataHandler $dataHandler): void |
| 164 | + { |
| 165 | + if ($this->lockDatamapHook === true) { |
| 166 | + return; |
| 167 | + } |
| 168 | + $datamap = $dataHandler->datamap; |
| 169 | + if (empty($datamap['tt_content']) || $dataHandler->bypassAccessCheckForRecords) { |
| 170 | + return; |
| 171 | + } |
| 172 | + foreach ($datamap['tt_content'] as $id => $incomingFieldArray) { |
| 173 | + if (MathUtility::canBeInterpretedAsInteger($id)) { |
| 174 | + $record = BackendUtility::getRecord('tt_content', $id); |
| 175 | + if (!is_array($record)) { |
| 176 | + // Skip this if the record could not be determined for whatever reason |
| 177 | + continue; |
| 178 | + } |
| 179 | + $recordData = array_merge($record, $incomingFieldArray); |
| 180 | + } else { |
| 181 | + $recordData = array_merge($dataHandler->defaultValues['tt_content'] ?? [], $incomingFieldArray); |
| 182 | + } |
| 183 | + // EXT:container start |
| 184 | + if ((int)($recordData['tx_container_parent'] ?? 0) > 0 && (int)($recordData['colPos'] ?? 0) > 0) { |
| 185 | + if ($this->checkContainerMaxItems((int)$recordData['tx_container_parent'], (int)$recordData['colPos'])) { |
| 186 | + if (MathUtility::canBeInterpretedAsInteger($id)) { |
| 187 | + // edit |
| 188 | + continue; |
| 189 | + } |
| 190 | + unset($dataHandler->datamap['tt_content'][$id]); |
| 191 | + $dataHandler->log('tt_content', $id, 1, null, 1, 'The command "%s" for record "tt_content:%s" to colPos "%s" couldn\'t be executed due to maxitems reached.', null, [$id, $recordData['colPos']]); |
| 192 | + } |
| 193 | + } |
| 194 | + // EXT:container end |
| 195 | + if (empty($recordData['CType']) || !array_key_exists('colPos', $recordData)) { |
| 196 | + // No idea what happened here, but we stop with this record if there is no CType or colPos |
| 197 | + continue; |
| 198 | + } |
| 199 | + $pageId = (int)$recordData['pid']; |
| 200 | + if ($pageId < 0) { |
| 201 | + $previousRecord = BackendUtility::getRecord('tt_content', abs($pageId), 'pid'); |
| 202 | + if ($previousRecord === null) { |
| 203 | + // Broken target data. Stop here and let DH handle this mess. |
| 204 | + continue; |
| 205 | + } |
| 206 | + $pageId = (int)$previousRecord['pid']; |
| 207 | + } |
| 208 | + $colPos = (int)$recordData['colPos']; |
| 209 | + $backendLayout = $this->backendLayoutView->getBackendLayoutForPage($pageId); |
| 210 | + $columnConfiguration = $this->backendLayoutView->getColPosConfigurationForPage($backendLayout, $colPos, $pageId); |
| 211 | + $allowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['allowedContentTypes'] ?? '', true); |
| 212 | + $disallowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['disallowedContentTypes'] ?? '', true); |
| 213 | + if ((!empty($allowedContentElementsInTargetColPos) && !in_array($recordData['CType'], $allowedContentElementsInTargetColPos, true)) |
| 214 | + || (!empty($disallowedContentElementsInTargetColPos) && in_array($recordData['CType'], $disallowedContentElementsInTargetColPos, true)) |
| 215 | + ) { |
| 216 | + // Not allowed to create in this colPos on this page. Unset this command and create a log entry which may be turned into a notification when called by BE. |
| 217 | + unset($dataHandler->datamap['tt_content'][$id]); |
| 218 | + $dataHandler->log('tt_content', $id, 1, null, 1, 'The record "tt_content:%s" with CType "%s" in colPos "%s" couldn\'t be saved due to disallowed value(s).', null, [$id, $recordData['CType'], $colPos]); |
| 219 | + } |
| 220 | + } |
| 221 | + } |
| 222 | +} |
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