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<?php |
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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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namespace TYPO3\CMS\Core\Error; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use TYPO3\CMS\Core\Database\ConnectionPool; |
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use TYPO3\CMS\Core\Http\ApplicationType; |
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use TYPO3\CMS\Core\SingletonInterface; |
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use TYPO3\CMS\Core\SysLog\Action as SystemLogGenericAction; |
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use TYPO3\CMS\Core\SysLog\Error as SystemLogErrorClassification; |
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use TYPO3\CMS\Core\SysLog\Type as SystemLogType; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Core\Utility\HttpUtility; |
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/** |
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* An abstract exception handler |
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* |
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* This file is a backport from TYPO3 Flow |
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*/ |
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abstract class AbstractExceptionHandler implements ExceptionHandlerInterface, SingletonInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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const CONTEXT_WEB = 'WEB'; |
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const CONTEXT_CLI = 'CLI'; |
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/** |
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* Displays the given exception |
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* |
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* @param \Throwable $exception The throwable object. |
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* |
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* @throws \Exception |
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*/ |
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public function handleException(\Throwable $exception) |
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{ |
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switch (PHP_SAPI) { |
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case 'cli': |
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$this->echoExceptionCLI($exception); |
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break; |
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default: |
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$this->echoExceptionWeb($exception); |
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} |
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} |
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/** |
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* Writes exception to different logs |
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* |
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* @param \Throwable $exception The throwable object. |
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* @param string $context The context where the exception was thrown, WEB or CLI |
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*/ |
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protected function writeLogEntries(\Throwable $exception, $context) |
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{ |
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// Do not write any logs for this message to avoid filling up tables or files with illegal requests |
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if ($exception->getCode() === 1396795884) { |
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return; |
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} |
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$filePathAndName = $exception->getFile(); |
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$exceptionCodeNumber = $exception->getCode() > 0 ? '#' . $exception->getCode() . ': ' : ''; |
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$logTitle = 'Core: Exception handler (' . $context . ')'; |
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$logMessage = 'Uncaught TYPO3 Exception: ' . $exceptionCodeNumber . $exception->getMessage() . ' | ' |
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. get_class($exception) . ' thrown in file ' . $filePathAndName . ' in line ' . $exception->getLine(); |
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if ($context === 'WEB') { |
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$logMessage .= '. Requested URL: ' . $this->anonymizeToken(GeneralUtility::getIndpEnv('TYPO3_REQUEST_URL')); |
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} |
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// When database credentials are wrong, the exception is probably |
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// caused by this. Therefor we cannot do any database operation, |
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// otherwise this will lead into recurring exceptions. |
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try { |
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if ($this->logger) { |
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// 'FE' if in FrontendApplication, else 'BE' (also in CLI without request object) |
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$applicationType = ($GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface |
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&& ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isFrontend() ? 'FE' : 'BE'; |
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$this->logger->critical($logTitle . ': ' . $logMessage, [ |
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'TYPO3_MODE' => $applicationType, |
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'exception' => $exception |
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]); |
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} |
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// Write error message to sys_log table |
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$this->writeLog($logTitle . ': ' . $logMessage); |
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} catch (\Exception $exception) { |
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} |
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} |
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/** |
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* Writes an exception in the sys_log table |
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* |
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* @param string $logMessage Default text that follows the message. |
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*/ |
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protected function writeLog($logMessage) |
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{ |
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$connection = GeneralUtility::makeInstance(ConnectionPool::class) |
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->getConnectionForTable('sys_log'); |
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if (!$connection->isConnected()) { |
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return; |
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} |
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$userId = 0; |
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$workspace = 0; |
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$data = []; |
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$backendUser = $this->getBackendUser(); |
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if (is_object($backendUser)) { |
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if (isset($backendUser->user['uid'])) { |
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$userId = $backendUser->user['uid']; |
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} |
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if (isset($backendUser->workspace)) { |
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$workspace = $backendUser->workspace; |
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} |
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if (!empty($backendUser->user['ses_backuserid'])) { |
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$data['originalUser'] = $backendUser->user['ses_backuserid']; |
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} |
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} |
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$connection->insert( |
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'sys_log', |
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[ |
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'userid' => $userId, |
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'type' => SystemLogType::ERROR, |
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'action' => SystemLogGenericAction::UNDEFINED, |
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'error' => SystemLogErrorClassification::SYSTEM_ERROR, |
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'details_nr' => 0, |
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'details' => str_replace('%', '%%', $logMessage), |
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'log_data' => empty($data) ? '' : serialize($data), |
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'IP' => (string)GeneralUtility::getIndpEnv('REMOTE_ADDR'), |
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'tstamp' => $GLOBALS['EXEC_TIME'], |
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'workspace' => $workspace |
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] |
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); |
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} |
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/** |
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* Sends the HTTP Status 500 code, if $exception is *not* a |
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* TYPO3\CMS\Core\Error\Http\StatusException and headers are not sent, yet. |
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* |
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* @param \Throwable $exception The throwable object. |
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*/ |
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protected function sendStatusHeaders(\Throwable $exception) |
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{ |
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if (method_exists($exception, 'getStatusHeaders')) { |
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$headers = $exception->getStatusHeaders(); |
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} else { |
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$headers = [HttpUtility::HTTP_STATUS_500]; |
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} |
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if (!headers_sent()) { |
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foreach ($headers as $header) { |
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header($header); |
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} |
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} |
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} |
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/** |
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* @return \TYPO3\CMS\Core\Authentication\BackendUserAuthentication |
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*/ |
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protected function getBackendUser() |
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{ |
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return $GLOBALS['BE_USER']; |
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} |
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/** |
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* Replaces the generated token with a generic equivalent |
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* |
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* @param string $requestedUrl |
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* @return string |
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*/ |
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protected function anonymizeToken(string $requestedUrl): string |
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{ |
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$pattern = '/(?<=[tT]oken=)[0-9a-fA-F]{40}/'; |
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return preg_replace($pattern, '--AnonymizedToken--', $requestedUrl); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
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