AllConfiguration.php

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<?php
namespace TYPO3\CMS\Install\Controller\Action\Tool;

use TYPO3\CMS\Install\Controller\Action;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class AllConfiguration extends Action\AbstractAction {

    protected $phpErrorCodesSettings = array(
        'errorHandlerErrors',
        'exceptionalErrors',
        'syslogErrorReporting',
        'belogErrorReporting',
    );

    protected function executeAction() {
        if (isset($this->postValues['set']['write'])) {
            $this->view->assign('configurationValuesSaved', TRUE);
            $this->view->assign('savedConfigurationValueMessages', $this->updateLocalConfigurationValues());
        } else {
            $this->view->assign('data', $this->setUpConfigurationData());
        }

        return $this->view->render();
    }

    protected function setUpConfigurationData() {
        $data = array();
        $typo3ConfVars = array_keys($GLOBALS['TYPO3_CONF_VARS']);
        sort($typo3ConfVars);
        $commentArray = $this->getDefaultConfigArrayComments();
        foreach ($typo3ConfVars as $sectionName) {
            $data[$sectionName] = array();

            foreach ($GLOBALS['TYPO3_CONF_VARS'][$sectionName] as $key => $value) {
                if (isset($GLOBALS['TYPO3_CONF_VARS_extensionAdded'][$sectionName][$key])) {
                    // Don't allow editing stuff which is added by extensions
                    // Make sure we fix potentially duplicated entries from older setups
                    $potentialValue = str_replace(array('\'.chr(10).\'', '\' . LF . \''), array(LF, LF), $value);
                    while (preg_match('/' . preg_quote($GLOBALS['TYPO3_CONF_VARS_extensionAdded'][$sectionName][$key], '/') . '$/', '', $potentialValue)) {
                        $potentialValue = preg_replace('/' . preg_quote($GLOBALS['TYPO3_CONF_VARS_extensionAdded'][$sectionName][$key], '/') . '$/', '', $potentialValue);
                    }
                    $value = $potentialValue;
                }

                $description = trim($commentArray[$sectionName][$key]);
                $isTextarea = preg_match('/^(<.*?>)?string \\(textarea\\)/i', $description) ? TRUE : FALSE;
                $doNotRender = preg_match('/^(<.*?>)?string \\(exclude\\)/i', $description) ? TRUE : FALSE;

                if (!is_array($value) && !$doNotRender && (!preg_match('/[' . LF . CR . ']/', $value) || $isTextarea)) {
                    $itemData = array();
                    $itemData['key'] = $key;
                    $itemData['description'] = $description;
                    if ($isTextarea) {
                        $itemData['type'] = 'textarea';
                        $itemData['value'] = str_replace(array('\'.chr(10).\'', '\' . LF . \''), array(LF, LF), $value);
                    } elseif (preg_match('/^(<.*?>)?boolean/i', $description)) {
                        $itemData['type'] = 'checkbox';
                        $itemData['value'] = $value ? '1' : '0';
                        $itemData['checked'] = (boolean)$value;
                    } else {
                        $itemData['type'] = 'input';
                        $itemData['value'] = $value;
                    }

                    // Check if the setting is a PHP error code, will trigger a view helper in fluid
                    if ($sectionName === 'SYS' && in_array($key, $this->phpErrorCodesSettings)) {
                        $itemData['phpErrorCode'] = TRUE;
                    }

                    $data[$sectionName][] = $itemData;
                }
            }
        }
        return $data;
    }

    protected function updateLocalConfigurationValues() {
        $statusObjects = array();
        if (isset($this->postValues['values']) && is_array($this->postValues['values'])) {
            $configurationPathValuePairs = array();
            $commentArray = $this->getDefaultConfigArrayComments();
            $formValues = $this->postValues['values'];
            foreach ($formValues as $section => $valueArray) {
                if (is_array($GLOBALS['TYPO3_CONF_VARS'][$section])) {
                    foreach ($valueArray as $valueKey => $value) {
                        if (isset($GLOBALS['TYPO3_CONF_VARS'][$section][$valueKey])) {
                            $description = trim($commentArray[$section][$valueKey]);
                            if (preg_match('/^string \\(textarea\\)/i', $description)) {
                                // Force Unix linebreaks in textareas
                                $value = str_replace(CR, '', $value);
                                // Preserve linebreaks
                                $value = str_replace(LF, '\' . LF . \'', $value);
                            }
                            if (preg_match('/^boolean/i', $description)) {
                                // When submitting settings in the Install Tool, values that default to "FALSE" or "TRUE"
                                // in EXT:core/Configuration/DefaultConfiguration.php will be sent as "0" resp. "1".
                                // Therefore, reset the values to their boolean equivalent.
                                if ($GLOBALS['TYPO3_CONF_VARS'][$section][$valueKey] === FALSE && $value === '0') {
                                    $value = FALSE;
                                } elseif ($GLOBALS['TYPO3_CONF_VARS'][$section][$valueKey] === TRUE && $value === '1') {
                                    $value = TRUE;
                                }
                            }
                            // Save if value changed
                            if ((string)$GLOBALS['TYPO3_CONF_VARS'][$section][$valueKey] !== (string)$value) {
                                $configurationPathValuePairs[$section . '/' . $valueKey] = $value;
                                $status = $this->objectManager->get('TYPO3\\CMS\\Install\\Status\\OkStatus');
                                $status->setTitle('$TYPO3_CONF_VARS[\'' . $section . '\'][\'' . $valueKey . '\']');
                                $status->setMessage('New value = ' . $value);
                                $statusObjects[] = $status;
                            }
                        }
                    }
                }
            }
            if (count($statusObjects)) {
                $configurationManager = $this->objectManager->get('TYPO3\\CMS\\Core\\Configuration\\ConfigurationManager');
                $configurationManager->setLocalConfigurationValuesByPathValuePairs($configurationPathValuePairs);
            }
        }
        return $statusObjects;
    }

    protected function getDefaultConfigArrayComments() {
        $configurationManager = $this->objectManager->get('TYPO3\\CMS\\Core\\Configuration\\ConfigurationManager');
        $string = GeneralUtility::getUrl($configurationManager->getDefaultConfigurationFileLocation());

        $commentArray = array();
        $lines = explode(LF, $string);
        $in = 0;
        $mainKey = '';
        foreach ($lines as $lc) {
            $lc = trim($lc);
            if ($in) {
                if ($lc === ');') {
                    $in = 0;
                } else {
                    if (preg_match('/["\']([[:alnum:]_-]*)["\'][[:space:]]*=>(.*)/i', $lc, $reg)) {
                        preg_match('/,[\\t\\s]*\\/\\/(.*)/i', $reg[2], $creg);
                        $theComment = trim($creg[1]);
                        if (substr(strtolower(trim($reg[2])), 0, 5) == 'array' && $reg[1] === strtoupper($reg[1])) {
                            $mainKey = trim($reg[1]);
                        } elseif ($mainKey) {
                            $commentArray[$mainKey][$reg[1]] = $theComment;
                        }
                    }
                }
            }
            if ($lc === 'return array(') {
                $in = 1;
            }
        }
        return $commentArray;
    }
}