FrontendConfigurationManager.php

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<?php
namespace TYPO3\CMS\Extbase\Configuration;

class FrontendConfigurationManager extends \TYPO3\CMS\Extbase\Configuration\AbstractConfigurationManager {

    protected $flexFormService;

    public function getTypoScriptSetup() {
        return $GLOBALS['TSFE']->tmpl->setup;
    }

    protected function getPluginConfiguration($extensionName, $pluginName = NULL) {
        $setup = $this->getTypoScriptSetup();
        $pluginConfiguration = array();
        if (is_array($setup['plugin.']['tx_' . strtolower($extensionName) . '.'])) {
            $pluginConfiguration = $this->typoScriptService->convertTypoScriptArrayToPlainArray($setup['plugin.']['tx_' . strtolower($extensionName) . '.']);
        }
        if ($pluginName !== NULL) {
            $pluginSignature = strtolower($extensionName . '_' . $pluginName);
            if (is_array($setup['plugin.']['tx_' . $pluginSignature . '.'])) {
                \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule(
                    $pluginConfiguration,
                    $this->typoScriptService->convertTypoScriptArrayToPlainArray($setup['plugin.']['tx_' . $pluginSignature . '.'])
                );
            }
        }
        return $pluginConfiguration;
    }

    protected function getSwitchableControllerActions($extensionName, $pluginName) {
        $switchableControllerActions = $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['extbase']['extensions'][$extensionName]['plugins'][$pluginName]['controllers'];
        if (!is_array($switchableControllerActions)) {
            $switchableControllerActions = array();
        }
        return $switchableControllerActions;
    }

    protected function getContextSpecificFrameworkConfiguration(array $frameworkConfiguration) {
        $frameworkConfiguration = $this->overrideStoragePidIfStartingPointIsSet($frameworkConfiguration);
        $frameworkConfiguration = $this->overrideConfigurationFromPlugin($frameworkConfiguration);
        $frameworkConfiguration = $this->overrideConfigurationFromFlexForm($frameworkConfiguration);
        return $frameworkConfiguration;
    }

    protected function overrideStoragePidIfStartingPointIsSet(array $frameworkConfiguration) {
        $pages = $this->contentObject->data['pages'];
        if (is_string($pages) && strlen($pages) > 0) {
            $list = array();
            if ($this->contentObject->data['recursive'] > 0) {
                $explodedPages = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $pages);
                foreach ($explodedPages as $pid) {
                    $list[] = $this->contentObject->getTreeList($pid, $this->contentObject->data['recursive']);
                }
            }
            if (count($list) > 0) {
                $pages = $pages . ',' . implode(',', $list);
            }
            \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($frameworkConfiguration, array(
                'persistence' => array(
                    'storagePid' => $pages
                )
            ));
        }
        return $frameworkConfiguration;
    }

    protected function overrideConfigurationFromPlugin(array $frameworkConfiguration) {
        $setup = $this->getTypoScriptSetup();
        $pluginSignature = strtolower($frameworkConfiguration['extensionName'] . '_' . $frameworkConfiguration['pluginName']);
        $pluginConfiguration = $setup['plugin.']['tx_' . $pluginSignature . '.'];
        if (is_array($pluginConfiguration)) {
            $pluginConfiguration = $this->typoScriptService->convertTypoScriptArrayToPlainArray($pluginConfiguration);
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $pluginConfiguration, 'settings');
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $pluginConfiguration, 'persistence');
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $pluginConfiguration, 'view');
        }
        return $frameworkConfiguration;
    }

    protected function overrideConfigurationFromFlexForm(array $frameworkConfiguration) {
        $flexFormConfiguration = $this->contentObject->data['pi_flexform'];
        if (is_string($flexFormConfiguration)) {
            if (strlen($flexFormConfiguration) > 0) {
                $flexFormConfiguration = $this->flexFormService->convertFlexFormContentToArray($flexFormConfiguration);
            } else {
                $flexFormConfiguration = array();
            }
        }
        if (is_array($flexFormConfiguration) && count($flexFormConfiguration)) {
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $flexFormConfiguration, 'settings');
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $flexFormConfiguration, 'persistence');
            $frameworkConfiguration = $this->mergeConfigurationIntoFrameworkConfiguration($frameworkConfiguration, $flexFormConfiguration, 'view');
            $frameworkConfiguration = $this->overrideSwitchableControllerActionsFromFlexForm($frameworkConfiguration, $flexFormConfiguration);
        }
        return $frameworkConfiguration;
    }

    protected function mergeConfigurationIntoFrameworkConfiguration(array $frameworkConfiguration, array $configuration, $configurationPartName) {
        if (is_array($configuration[$configurationPartName])) {
            if (is_array($frameworkConfiguration[$configurationPartName])) {
                \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($frameworkConfiguration[$configurationPartName], $configuration[$configurationPartName]);
            } else {
                $frameworkConfiguration[$configurationPartName] = $configuration[$configurationPartName];
            }
        }
        return $frameworkConfiguration;
    }

    protected function overrideSwitchableControllerActionsFromFlexForm(array $frameworkConfiguration, array $flexFormConfiguration) {
        if (!isset($flexFormConfiguration['switchableControllerActions']) || is_array($flexFormConfiguration['switchableControllerActions'])) {
            return $frameworkConfiguration;
        }
        // As "," is the flexForm field value delimiter, we need to use ";" as in-field delimiter. That's why we need to replace ; by  , first.
        // The expected format is: "Controller1->action2;Controller2->action3;Controller2->action1"
        $switchableControllerActionPartsFromFlexForm = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', str_replace(';', ',', $flexFormConfiguration['switchableControllerActions']), TRUE);
        $newSwitchableControllerActionsFromFlexForm = array();
        foreach ($switchableControllerActionPartsFromFlexForm as $switchableControllerActionPartFromFlexForm) {
            list($controller, $action) = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode('->', $switchableControllerActionPartFromFlexForm);
            if (empty($controller) || empty($action)) {
                throw new \TYPO3\CMS\Extbase\Configuration\Exception\ParseErrorException('Controller or action were empty when overriding switchableControllerActions from flexForm.', 1257146403);
            }
            $newSwitchableControllerActionsFromFlexForm[$controller][] = $action;
        }
        if (count($newSwitchableControllerActionsFromFlexForm) > 0) {
            $this->overrideSwitchableControllerActions($frameworkConfiguration, $newSwitchableControllerActionsFromFlexForm);
        }
        return $frameworkConfiguration;
    }

    protected function getRecursiveStoragePids($storagePid, $recursionDepth = 0) {
        if ($recursionDepth <= 0) {
            return $storagePid;
        }

        $recursiveStoragePids = '';
        $storagePids = \TYPO3\CMS\Core\Utility\GeneralUtility::intExplode(',', $storagePid);
        foreach ($storagePids as $startPid) {
            $pids = $this->getContentObject()->getTreeList($startPid, $recursionDepth, 0);
            if (strlen($pids) > 0) {
                $recursiveStoragePids .= $pids . ',';
            }
        }
        return rtrim($recursiveStoragePids, ',');
    }
}