TrackManiaControl/application/core/ErrorHandler.php

<?php

namespace ManiaControl;

use ManiaControl\Files\FileUtil;
use ManiaControl\Update\UpdateManager;

/**
 * Error and Exception Manager Class
 *
 * @author steeffeen & kremsy
 */
class ErrorHandler {
	/**
	 * Constants
	 */
	const MC_DEBUG_NOTICE = "ManiaControl.DebugNotice";
	
	/**
	 * Private Properties
	 */
	private $maniaControl = null;
	private $reportErrors = true;

	/**
	 * Construct Error Handler
	 */
	public function __construct(ManiaControl $maniaControl) {
		$this->maniaControl = $maniaControl;
		set_error_handler(array(&$this, 'errorHandler'), -1);
		set_exception_handler(array(&$this, 'exceptionHandler'));
	}

	/**
	 * ManiaControl ExceptionHandler
	 * ManiaControl Shuts down after exception
	 *
	 * @param \Exception $ex
	 */
	public function exceptionHandler(\Exception $ex) {
		$message = "[ManiaControl EXCEPTION]: {$ex->getMessage()}" . PHP_EOL;
		$message .= "Class: " . get_class($ex) . PHP_EOL;
		$message .= "Trace: {$ex->getTraceAsString()}" . PHP_EOL;
		logMessage($message);
		
		if ($this->reportErrors) {
			$error = array();
			$error["Type"] = "Exception";
			$error["Message"] = $message;
			$error['OperatingSystem'] = php_uname();
			$error['PHPVersion'] = phpversion();
			
			if ($this->maniaControl->server) {
				$error['ServerLogin'] = $this->maniaControl->server->login;
			}
			else {
				$error['ServerLogin'] = '';
			}
			
			if ($this->maniaControl->settingManager && $this->maniaControl->updateManager) {
				$error['UpdateChannel'] = $this->maniaControl->settingManager->getSetting($this->maniaControl->updateManager, 
						UpdateManager::SETTING_UPDATECHECK_CHANNEL);
				$error['ManiaControlVersion'] = $this->maniaControl->updateManager->getCurrentBuildDate();
			}
			else {
				$error['UpdateChannel'] = '';
				$error['ManiaControlVersion'] = ManiaControl::VERSION;
			}
			
			$json = json_encode($error);
			$info = base64_encode($json);
			
			$url = ManiaControl::URL_WEBSERVICE . "errorreport?error=" . urlencode($info);
			$success = FileUtil::loadFile($url);
			
			if (!json_decode($success)) {
				logMessage("Exception-Report failed!");
			}
			else {
				logMessage("Exception successfully reported!");
			}
		}
		
		$this->maniaControl->restart();
		exit();
	}

	/**
	 * Error Handler
	 *
	 * @param $errorNumber
	 * @param $errorString
	 * @param $errorFile
	 * @param $errorLine
	 * @return bool
	 */
	public function errorHandler($errorNumber, $errorString, $errorFile, $errorLine) {
		if (error_reporting() == 0) {
			// Error suppressed
			return false;
		}
		
		// Log error
		$errorTag = $this->getErrorTag($errorNumber);
		$message = "{$errorTag}: {$errorString} in File '{$errorFile}' on Line {$errorLine}!";
		logMessage($message);
		
		if ($this->reportErrors && $errorNumber != E_USER_ERROR && $errorNumber != E_USER_WARNING && $errorNumber != E_USER_NOTICE) {
			$error = array();
			$error["Type"] = "Error";
			$error["Message"] = $message;
			$error['OperatingSystem'] = php_uname();
			$error['PHPVersion'] = phpversion();
			
			if ($this->maniaControl->server) {
				$error['ServerLogin'] = $this->maniaControl->server->login;
			}
			else {
				$error['ServerLogin'] = '';
			}
			
			if ($this->maniaControl->settingManager && $this->maniaControl->updateManager) {
				$error['UpdateChannel'] = $this->maniaControl->settingManager->getSetting($this->maniaControl->updateManager, 
						UpdateManager::SETTING_UPDATECHECK_CHANNEL);
				$error['ManiaControlVersion'] = $this->maniaControl->updateManager->getCurrentBuildDate();
			}
			else {
				$error['UpdateChannel'] = '';
				$error['ManiaControlVersion'] = ManiaControl::VERSION;
			}
			
			$json = json_encode($error);
			$info = base64_encode($json);
			
			$url = ManiaControl::URL_WEBSERVICE . "errorreport?error=" . urlencode($info);
			$success = FileUtil::loadFile($url);
			
			if (!json_decode($success)) {
				logMessage("Error-Report failed!");
			}
			else {
				logMessage("Error successfully reported!");
			}
		}
		
		if ($errorNumber == E_ERROR || $errorNumber == E_USER_ERROR || $errorNumber == E_FATAL) {
			logMessage('Stopping execution...');
			exit();
		}
		return false;
	}

	/**
	 * Triggers a Debug Notice to the ManiaControl Website
	 *
	 * @param $message
	 */
	public function triggerDebugNotice($message) {
		$backtrace = debug_backtrace();
		$callee = next($backtrace);
		$this->errorHandler(self::MC_DEBUG_NOTICE, $message, $callee['file'], $callee['line']);
	}

	/**
	 * Get the prefix for the given error level
	 *
	 * @param int $errorLevel
	 * @return string
	 */
	public function getErrorTag($errorLevel) {
		if ($errorLevel == E_NOTICE) {
			return '[PHP NOTICE]';
		}
		if ($errorLevel == E_WARNING) {
			return '[PHP WARNING]';
		}
		if ($errorLevel == E_ERROR) {
			return '[PHP ERROR]';
		}
		if ($errorLevel == E_CORE_ERROR) {
			return '[PHP CORE ERROR]';
		}
		if ($errorLevel == E_COMPILE_ERROR) {
			return '[PHP COMPILE ERROR]';
		}
		if ($errorLevel == E_RECOVERABLE_ERROR) {
			return '[PHP RECOVERABLE ERROR]';
		}
		if ($errorLevel == E_USER_NOTICE) {
			return '[ManiaControl NOTICE]';
		}
		if ($errorLevel == E_USER_WARNING) {
			return '[ManiaControl WARNING]';
		}
		if ($errorLevel == E_USER_ERROR) {
			return '[ManiaControl ERROR]';
		}
		if ($errorLevel == self::MC_DEBUG_NOTICE) {
			return '[ManiaControl DEBUG]';
		}
		return "[PHP {$errorLevel}]";
	}
}