* @package MCMS\System
*/
class System extends \MCMS\SystemBase implements \MCMS\Interfaces\iSystem {
const _VERSION_ = '1.1.0.0';
const LOGNAME = 'MCMSSys';
protected static $log;
protected $userSvc;
private static $tbl_sysconfig = 'systemsettings';
private static $tbl_siteconfig = 'websitesettings';
/**
*
* @var Request
*/
protected $request;
protected function __construct() {
parent::__construct();
if(defined('_CLI_')) { // check for cli mode
$this->request = new \MCMS\RequestCLI();
}
else
$this->request = new \MCMS\Request();
}
/**
* initialize the mammut cms system.
*
* this initializes the database connection, tries to get the active system instance
* and user, and
* searche/register active plugins
*/
static public function init(array $options = array()) {
if(is_object(self::$instance))
throw new IllegalStateException('system already initialized');
self::$instance = new self(); // bind the instance property to an instance of this class
if (isset($options['weaving']))
self::$instance->weaving = $options['weaving'];
else {
// fallback - load default file
self::$instance->weaving = array_from_file(defined('WEAVINGCFG')
? constant('WEAVINGCFG')
: _INCPATH_.__DS__.'mcms'.__DS__.'inc.weaving.php'
, 'weaving');
}
}
/**
* shut down the mammut cms system an cleans up all
*/
public static function shutdown() {
if(!is_object(self::$instance))
throw new IllegalStateException('system not initialized');
self::$instance = NULL; // this should call the destructor
}
// site settings/component instance settings
public function getSiteParam($siteInst, $modInst, $key, $default = NULL) {
$this->LOG->traceStart();
$cache = self::getContext(self::CTX_CACHE);
$cachekey = implode('@',array('siteparam',$siteInst,$modInst,$key));
$value = NULL;
if(!$cache->keyExists($cachekey) || is_null($value = $cache->get($cachekey))) {
$db = $this->getDB();
if(!is_object($db))
throw new IllegalStateException('database not initialized');
if (is_null($siteInst)) {
$where = array('area' => new Parameter(),'key' => new Parameter());
$q = $db->select()->from(self::$tbl_sysconfig)->where($where);
$result = $db->prepareStatement($q);
$result->execute(array($modInst, $key));
}
else {
$where = array('site_id' => new Parameter(),'instance' => new Parameter(),'key' => new Parameter());
$q = $db->select()->from(self::$tbl_siteconfig)->where($where);
$result = $db->prepareStatement($q);
$result->execute(array($siteInst, $modInst, $key));
}
if($result->getRowCount() == 1) {
$value = $result->fetchObject()->value;
$cache->set($cachekey, $value, 30);
}
$result->close();
}
return is_null($value) ? $default : $value;
}
public function setSiteParam($siteInst, $comInst, $key, $value) {
$this->LOG->traceStart();
$db = $this->getDB();
if(!is_object($db))
throw new IllegalStateException('database not initialized');
if (is_null($siteInst)) {
$cond = array('area' => $comInst,'key' => $key);
$table = $db->table(self::$tbl_sysconfig);
$result = $table->select($cond);
if($result->getRowCount() == 1)
$table->update(array('value' => $value), $cond);
else {
$data = $cond;
$data['value'] = $value;
$table->insert($data);
}
}
else {
$cond = array('site_id' => $siteInst,'instance' => $comInst,'key' => $key);
$table = $db->table(self::$tbl_siteconfig);
$result = $table->select($cond);
if($result->getRowCount() == 1)
$table->update(array('value' => $value), $cond);
else {
$data = $cond;
$data['value'] = $value;
$table->insert($data);
}
}
$cache = self::getContext(self::CTX_CACHE);
// $this->cacheStore('[siteparam]-' . $siteInst, $comInst, $key, $value, 30);
}
public function getRequest() {
$this->LOG->traceStart();
return $this->request;
}
public function initUserSvc($pluginClass, $cfg = array()) {
$this->LOG->traceStart();
if(!is_null($this->userSvc))
throw new \BadMethodCallException("User plugin is set already");
if(!class_exists($pluginClass))
throw new \ErrorException("User plugin '{$pluginClass}' class not found");
$this->userSvc = new $pluginClass($cfg);
$this->plugins['auth'][0] = $this->userSvc;
}
public function getUserSvc() {
$this->LOG->traceStart();
return $this->userSvc;
}
public function isUserSystemAdmin(iUser $user) {
$this->LOG->traceStart();
return false; // TODO: implement and use
}
public function getCache() {
$this->LOG->traceStart();
return self::getContext(iSystem::CTX_CACHE);
}
public function onException(\Exception $e) {
$this->LOG->traceStart();
if(defined('_CLI_')) {
$this->onExceptionCLI($e);
return;
}
$title = 'System Error';
$message = 'A critical error appeared while running this script. Please notify the admin of this page about this!';
$layout = 'Uncaught exception';
$layout .= 'Uncaught exception
';
$layout .= '';
if($e instanceof AccessDeniedException) {
$layout = 'Access denied';
$layout .= 'Access denied
';
$layout .= '';
}
$l2 = $layout;
try {
$filename = '_system_' . __DS__ . '_error_.php';
if(file_exists(_LAYOUTPATHX_ . __DS__ . $filename)) {
$filename = _LAYOUTPATHX_ . __DS__ . $filename;
ob_start();
include ($filename);
$layout = ob_get_clean();
}
elseif(file_exists(_LAYOUTPATH_ . __DS__ . $filename)) {
$filename = _LAYOUTPATH_ . __DS__ . $filename;
ob_start();
include ($filename);
$layout = ob_get_clean();
}
}
catch(\Exception $e) {
$layout = $l2;
}
$st = '';
try {
$this->writeError2DB($e);
}
catch(\Exception $sqlex) {
$st .= 'Note: SQL-Logger reported another error:' . $sqlex->getMessage() . '
';
$round = 0;
$subEx = $sqlex;
while(!is_null($subEx = $subEx->getPrevious()) && (++$round < 50))
$st .= 'Caused by ' . get_class($subEx) . ': ' . $subEx->getMessage() . '[' . $subEx->getFile() . ':' . $subEx->getLine() . ']
';
$st .= '
Stacktrace of subexception' . $sqlex->getTraceAsString() . '
';
}
if($e instanceof \ErrorException) {
switch($e->getSeverity()) {
case E_ERROR:
$st .= 'Type: Error
';
break;
case E_WARNING:
case E_USER_WARNING:
$st .= 'Type: Warning
';
break;
case E_STRICT:
$st .= 'Type: Strict coding convention
';
break;
default:
$st .= 'Type: unknown(' . $e->getSeverity() . ')
';
break;
}
}
if($e instanceof AccessDeniedException) {
$title = 'Access Denied';
$message = 'You have no access to this resource';
if(defined('DEBUG')) {
$st .= 'Message: ' . $e->getMessage() . '
';
}
else
$st .= 'You are not authenticated or have not the needed privileges!
';
}
else {
self::log(Logger::ERROR, $e->getCode(), $e->getMessage());
$st .= 'Class: ' . get_class($e) . '
';
$st .= 'Code: ' . $e->getCode() . '
';
if(defined('DEBUG')) {
$st .= 'Location: ' . $e->getFile() . ':' . $e->getLine() . '
';
$st .= 'Message: ' . htmlentities($e->getMessage()) . '
';
if($e instanceof \Mammut\DB\SQLException) {
$st .= 'Query: ' . htmlentities($e->getQuery()) . '
';
if ($e->getParam())
$st .= 'Parameter: ' . htmlentities(print_r($e->getParam(), true)) . '
';
}
$st .= '
Stacktrace' . htmlentities($e->getTraceAsString()) . '
';
$subEx = $e;
$round = 0;
while(!is_null($subEx = $subEx->getPrevious()) && (++$round < 50))
$st .= 'Caused by ' . get_class($subEx) . ': ' . htmlentities($subEx->getMessage()) . '[' . $subEx->getFile() . ':' . $subEx->getLine() . ']
';
}
else
$st .= 'If you are a developer and need more information about this incident, define the DEBUG constant
';
}
$layout = str_replace('', $title, $layout);
$layout = str_replace('', $message, $layout);
$st = str_replace('', $st, $layout);
die($st);
}
/**
* Optimized output on console
*
* @param \Exception $e
* an exception
*/
protected function onExceptionCLI(\Exception $e) {
$this->LOG->traceStart();
try {
$this->writeError2DB($e);
}
catch(\Exception $sqlex) {
echo 'Note: SQL-Logger reported another error:' . $sqlex->getMessage() . "\n";
$round = 0;
$subEx = $sqlex;
while(!is_null($subEx = $subEx->getPrevious()) && (++$round < 50))
echo 'Caused by ' . get_class($subEx) . ': ' . $subEx->getMessage() . '[' . $subEx->getFile() . ':' . $subEx->getLine() . "]\n";
echo "\nStacktrace of subexception:\n" . $sqlex->getTraceAsString() . "\n";
}
if($e instanceof \ErrorException) {
if(method_exists($e, 'getSeverity')) {
switch($e->getSeverity()) {
case E_ERROR:
echo "Type: Error\n";
break;
case E_WARNING:
case E_USER_WARNING:
echo "Type>: Warning\n";
break;
case E_STRICT:
echo "Type: Strict coding convention\n";
break;
default:
echo 'Type: unknown(' . $e->getSeverity() . ")\n";
break;
}
}
else
echo "Type: unknown\n";
}
echo 'Class: ' . get_class($e) . "\n";
echo 'Code: ' . $e->getCode() . "\n";
if(defined('DEBUG')) {
echo 'Location: ' . $e->getFile() . ':' . $e->getLine() . "\n";
echo 'Message: ' . $e->getMessage() . "\n";
if($e instanceof \Mammut\DB\SQLException)
echo 'Query: ' . $e->getQuery() . "\n";
echo "\nStacktrace\n" . $e->getTraceAsString() . "\n";
$subEx = $e;
$round = 0;
while(!is_null($subEx = $subEx->getPrevious()) && (++$round < 50))
echo 'Caused by ' . get_class($subEx) . ': ' . $subEx->getMessage() . '[' . $subEx->getFile() . ':' . $subEx->getLine() . "]\n";
}
else
echo 'If you are a developer and need more information about this incident, define the DEBUG constant.' . "\n";
die();
}
/**
* Writes a log entry into the database
*
* @param \Exception $e
* an exception
*/
protected function writeError2DB(\Exception $e) {
$this->LOG->traceStart();
$db = self::getInstance()->getDB();
$data = new \stdClass();
$data->eventtime = new \DateTime();
$data->level = LOG_ERR;
$data->area = 'system';
$data->areaname = NULL;
$data->user = 0;
$data->code = 0;
$data->message = $e->getMessage();
if(strlen($data->message) > 254)
$data->message = substr($data->message, 0, 254);
$db->table('logs')->insert($data);
$id = $db->getInsertId();
if($e instanceof \Mammut\DB\SQLException) {
$data = new \stdClass();
$data->parent = $id;
$data->eventtime = new \DateTime();
$data->level = LOG_ERR;
$data->area = 'system';
$data->areaname = 'sql';
$data->user = 0;
$data->code = 0;
$data->readed = false;
$data->message = '' . $e->getQuery();
if(strlen($data->message) > 254)
$data->message = substr($data->message, 0, 254);
$db->table('logs')->insert($data);
}
}
public function getSiteLayout($siteId, $type = 'default') {
$this->LOG->traceStart();
$t = new CTemplate();
$t->loadString('');
return $t;
}
/**
* helper method which redirects the entry to the current system instance
*
* @param int $level an error constant
* @param int $code an error code
* @param mixed $message a representing the error
*/
public static function log($level, $code, $message) {
Logger::getInstance(self::LOGNAME)->log($level, $message, NULL, array('code' => $code), 1);
}
}