412 lines
12 KiB
PHP
412 lines
12 KiB
PHP
<?php
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namespace ManiaControl;
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use ManiaControl\Callbacks\Callbacks;
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use ManiaControl\Files\FileUtil;
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use ManiaControl\Plugins\PluginManager;
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use ManiaControl\Update\UpdateManager;
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use Maniaplanet\DedicatedServer\Xmlrpc\TransportException;
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/**
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* Error and Exception Manager Class
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*
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* @author ManiaControl Team <mail@maniacontrol.com>
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* @copyright 2014 ManiaControl Team
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* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
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*/
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class ErrorHandler {
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/*
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* Constants
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*/
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const MC_DEBUG_NOTICE = 'ManiaControl.DebugNotice';
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const SETTING_RESTART_ON_EXCEPTION = 'Automatically restart on Exceptions';
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const LOG_SUPPRESSED_ERRORS = false;
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/*
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* Private Properties
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*/
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private $maniaControl = null;
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private $handlingError = null;
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/**
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* Construct Error Handler
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*
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* @param ManiaControl @maniaControl
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*/
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public function __construct(ManiaControl $maniaControl) {
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$this->maniaControl = $maniaControl;
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set_error_handler(array(&$this, 'handleError'), -1);
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set_exception_handler(array(&$this, 'handleException'));
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register_shutdown_function(array(&$this, 'handleShutdown'));
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}
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/**
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* Initialize other Error Handler Features
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*/
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public function init() {
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$this->maniaControl->settingManager->initSetting($this, self::SETTING_RESTART_ON_EXCEPTION, true);
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}
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/**
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* Trigger a Debug Notice to the ManiaControl Website
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*
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* @param string $message
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*/
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public function triggerDebugNotice($message) {
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$this->handleError(self::MC_DEBUG_NOTICE, $message);
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}
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/**
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* ManiaControl Error Handler
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*
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* @param int $errorNumber
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* @param string $errorString
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* @param string $errorFile
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* @param int $errorLine
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* @param array $errorContext
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* @param bool $onShutdown
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* @return bool
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*/
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public function handleError($errorNumber, $errorString, $errorFile = null, $errorLine = -1, array $errorContext = array(), $onShutdown = false) {
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$suppressed = (error_reporting() === 0);
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if ($suppressed && !self::LOG_SUPPRESSED_ERRORS) {
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return false;
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}
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if (!$this->handlingError) {
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// Reset error handler for safety
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$this->handlingError = true;
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set_error_handler(array(&$this, 'handleError'), -1);
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}
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// Build log message
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$errorTag = $this->getErrorTag($errorNumber);
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$userError = $this->isUserErrorNumber($errorNumber);
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$traceSourceClass = null;
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$message = $errorTag . ': ' . $errorString;
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$fileLine = $errorFile . ': ' . $errorLine;
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$traceString = $this->parseBackTrace(array_slice(debug_backtrace(), 1), $traceSourceClass);
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$sourceClass = $this->getSourceClass($errorFile);
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if (!$sourceClass) {
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$sourceClass = $traceSourceClass;
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}
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$logMessage = $message . PHP_EOL . 'File&Line: ' . $fileLine;
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if (!$userError && !$onShutdown) {
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$logMessage .= PHP_EOL . 'Trace: ' . PHP_EOL . $traceString;
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}
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$this->maniaControl->log($logMessage);
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if (!DEV_MODE && !$userError && !$suppressed) {
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// Report error
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$report = array();
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$report['Type'] = 'Error';
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$report['Message'] = $message;
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$report['FileLine'] = $fileLine;
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$report['SourceClass'] = $sourceClass;
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$report['PluginId'] = PluginManager::getPluginId($sourceClass);
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if (!$onShutdown) {
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$report['Backtrace'] = $traceString;
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}
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$report['OperatingSystem'] = php_uname();
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$report['PHPVersion'] = phpversion();
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if ($this->maniaControl->server) {
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$report['ServerLogin'] = $this->maniaControl->server->login;
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}
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if ($this->maniaControl->settingManager && $this->maniaControl->updateManager) {
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$report['UpdateChannel'] = $this->maniaControl->settingManager->getSettingValue($this->maniaControl->updateManager, UpdateManager::SETTING_UPDATECHECK_CHANNEL);
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$report['ManiaControlVersion'] = ManiaControl::VERSION . ' ' . $this->maniaControl->updateManager->getNightlyBuildDate();
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} else {
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$report['ManiaControlVersion'] = ManiaControl::VERSION;
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}
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$json = json_encode($report);
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$info = base64_encode($json);
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$url = ManiaControl::URL_WEBSERVICE . 'errorreport?error=' . urlencode($info);
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$response = FileUtil::loadFile($url);
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$success = json_decode($response);
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if ($success) {
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logMessage('Error-Report successful!');
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} else {
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logMessage('Error-Report failed! ' . print_r($response, true));
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}
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}
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if ($this->isFatalError($errorNumber)) {
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$this->maniaControl->quit('Quitting ManiaControl after Fatal Error.');
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}
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// Disable safety state
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$this->handlingError = false;
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return false;
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}
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/**
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* Get the Prefix for the given Error Level
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*
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* @param int $errorLevel
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* @return string
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*/
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public function getErrorTag($errorLevel) {
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switch ($errorLevel) {
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case E_NOTICE:
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return '[PHP NOTICE]';
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case E_WARNING:
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return '[PHP WARNING]';
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case E_ERROR:
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return '[PHP ERROR]';
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case E_CORE_ERROR:
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return '[PHP CORE ERROR]';
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case E_COMPILE_ERROR:
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return '[PHP COMPILE ERROR]';
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case E_RECOVERABLE_ERROR:
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return '[PHP RECOVERABLE ERROR]';
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case E_USER_NOTICE:
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return '[ManiaControl NOTICE]';
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case E_USER_WARNING:
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return '[ManiaControl WARNING]';
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case E_USER_ERROR:
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return '[ManiaControl ERROR]';
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case self::MC_DEBUG_NOTICE:
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return '[ManiaControl DEBUG]';
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}
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return "[PHP ERROR '{$errorLevel}']";
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}
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/**
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* Check if the given Error Number is a User Error
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*
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* @param int $errorNumber
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* @return bool
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*/
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private function isUserErrorNumber($errorNumber) {
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return ($errorNumber & E_USER_ERROR || $errorNumber & E_USER_WARNING || $errorNumber & E_USER_NOTICE || $errorNumber & E_USER_DEPRECATED);
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}
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/**
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* Parse the Debug Backtrace into a String for the Error Report
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*
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* @param array $backtrace
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* @param string $sourceClass
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* @return string
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*/
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private function parseBackTrace(array $backtrace, &$sourceClass = null) {
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$traceString = '';
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$stepCount = 0;
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foreach ($backtrace as $traceStep) {
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$traceString .= '#' . $stepCount . ': ';
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if (isset($traceStep['class'])) {
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if (!$sourceClass && strpos($traceStep['class'], '\\FaultException') === false) {
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$sourceClass = $traceStep['class'];
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}
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$traceString .= $traceStep['class'];
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}
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if (isset($traceStep['type'])) {
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$traceString .= $traceStep['type'];
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}
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if (isset($traceStep['function'])) {
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$traceString .= $traceStep['function'] . '(';
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if (isset($traceStep['args'])) {
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$traceString .= $this->parseArgumentsArray($traceStep['args']);
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}
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$traceString .= ')';
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}
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if (isset($traceStep['file'])) {
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$traceString .= ' in File ';
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$traceString .= $traceStep['file'];
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}
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if (isset($traceStep['line'])) {
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$traceString .= ' on Line ';
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$traceString .= $traceStep['line'];
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}
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$traceString .= PHP_EOL;
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if (strlen($traceString) > 1300) {
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// Too long...
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$traceString .= '...';
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break;
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}
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$stepCount++;
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}
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return $traceString;
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}
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/**
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* Build a String from an Arguments Array
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*
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* @param array $args
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* @return string
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*/
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private function parseArgumentsArray(array $args) {
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$string = '';
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$argsCount = count($args);
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foreach ($args as $index => $arg) {
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if (is_object($arg)) {
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$string .= 'object(' . get_class($arg) . ')';
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} else if (is_array($arg)) {
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$string .= 'array(' . $this->parseArgumentsArray($arg) . ')';
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} else {
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$type = gettype($arg);
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$string .= $type . '(';
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if (is_string($arg)) {
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$param = iconv('UTF-8', 'UTF-8//IGNORE', substr($arg, 0, 20));
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$string .= print_r($param, true);
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} else {
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$string .= print_r($arg, true);
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}
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$string .= ')';
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}
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if ($index < $argsCount - 1) {
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$string .= ', ';
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}
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if (strlen($string) > 100) {
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// Too long...
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$string .= '...';
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break;
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}
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}
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return $string;
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}
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/**
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* Get the Source Class via the Error File
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*
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* @param string $errorFile
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* @return string
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*/
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private function getSourceClass($errorFile) {
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if (!$errorFile) {
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return null;
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}
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$filePath = substr($errorFile, strlen(ManiaControlDir));
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$filePath = str_replace('plugins' . DIRECTORY_SEPARATOR, '', $filePath);
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$filePath = str_replace('core' . DIRECTORY_SEPARATOR, 'ManiaControl\\', $filePath);
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$className = str_replace('.php', '', $filePath);
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$className = str_replace(DIRECTORY_SEPARATOR, '\\', $className);
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if (!class_exists($className, false)) {
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return null;
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}
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return $className;
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}
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/**
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* Test whether the given Error Number represents a Fatal Error
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*
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* @param int $errorNumber
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* @return bool
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*/
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private function isFatalError($errorNumber) {
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return ($errorNumber & E_FATAL);
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}
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/**
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* Handle PHP Process Shutdown
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*/
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public function handleShutdown() {
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// TODO: skip client-related actions on transport exception (e.g. server down)
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if ($this->maniaControl->callbackManager) {
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// OnShutdown callback
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$this->maniaControl->callbackManager->triggerCallback(Callbacks::ONSHUTDOWN);
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}
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if ($this->maniaControl->chat) {
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// Announce quit
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$this->maniaControl->chat->sendInformation('ManiaControl shutting down.');
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}
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if ($this->maniaControl->client) {
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try {
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$this->maniaControl->client->sendHideManialinkPage();
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} catch (TransportException $e) {
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$this->handleException($e, false);
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}
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}
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// Check if the Shutdown was caused by a Fatal Error and report it
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$error = error_get_last();
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if ($error && ($error['type'] & E_FATAL)) {
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$this->handleError($error['type'], $error['message'], $error['file'], $error['line'], array(), true);
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}
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$this->maniaControl->quit('Quitting ManiaControl!');
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}
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/**
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* ManiaControl Exception Handler
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*
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* @param \Exception $exception
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* @param bool $shutdown
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*/
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public function handleException(\Exception $exception, $shutdown = true) {
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$message = "[ManiaControl EXCEPTION]: {$exception->getMessage()}";
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$exceptionClass = get_class($exception);
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$sourceClass = null;
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$traceString = $this->parseBackTrace($exception->getTrace(), $sourceClass);
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$logMessage = $message . PHP_EOL . 'Class: ' . $exceptionClass . PHP_EOL . 'Trace:' . PHP_EOL . $traceString;
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$this->maniaControl->log($logMessage);
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if (!DEV_MODE) {
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$report = array();
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$report['Type'] = 'Exception';
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$report['Message'] = $message;
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$report['Class'] = $exceptionClass;
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$report['FileLine'] = $exception->getFile() . ': ' . $exception->getLine();
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$report['SourceClass'] = $sourceClass;
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$report['PluginId'] = PluginManager::getPluginId($sourceClass);
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$report['Backtrace'] = $traceString;
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$report['OperatingSystem'] = php_uname();
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$report['PHPVersion'] = phpversion();
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if ($this->maniaControl->server) {
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$report['ServerLogin'] = $this->maniaControl->server->login;
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}
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if ($this->maniaControl->settingManager && $this->maniaControl->updateManager) {
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$report['UpdateChannel'] = $this->maniaControl->settingManager->getSettingValue($this->maniaControl->updateManager, UpdateManager::SETTING_UPDATECHECK_CHANNEL);
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$report['ManiaControlVersion'] = ManiaControl::VERSION . ' #' . $this->maniaControl->updateManager->getNightlyBuildDate();
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} else {
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$report['ManiaControlVersion'] = ManiaControl::VERSION;
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}
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$json = json_encode($report);
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$info = base64_encode($json);
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$url = ManiaControl::URL_WEBSERVICE . 'errorreport?error=' . urlencode($info);
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$response = FileUtil::loadFile($url);
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$success = json_decode($response);
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if ($success) {
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logMessage('Exception successfully reported!');
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} else {
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logMessage('Exception-Report failed! ' . print_r($response, true));
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}
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}
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if ($shutdown) {
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if ($this->shouldRestart()) {
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$this->maniaControl->restart();
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}
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$this->maniaControl->quit('Quitting ManiaControl after Exception.');
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}
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}
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/**
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* Test if ManiaControl should restart automatically
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*
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* @return bool
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*/
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private function shouldRestart() {
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if (!$this->maniaControl || !$this->maniaControl->settingManager) {
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return false;
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}
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$setting = $this->maniaControl->settingManager->getSettingValue($this, self::SETTING_RESTART_ON_EXCEPTION, true);
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return $setting;
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}
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}
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