/**
* Constructor
*/
public function __construct()
{
if (!method_exists($this, 'isAvailable') or !$this::isAvailable()) {
throw new Exception(__CLASS__ . ' requested, but that cache is not available!');
}
$this->version = Envi\Version::getBuild();
$this->prefix = Envi::getSubsite() . ':';
$this->sessionPrefix = 'session:';
}
/**
* Fill output XML with some common data
* @param \DOMDocument|null $xml
* @param null $instance
*/
public static function fillXML(&$xml = null, $instance = null)
{
$controller = Controller::getInstance();
if (is_null($xml)) {
$xml = $controller->xml;
$node = $controller->realRoot;
} else {
$node = $xml->documentElement;
}
Debugger::addLine('Filling XML data for render: Started');
// TODO: sync this with Envi::getState()
$node->setAttribute('lang', Envi\Setup::getLocale());
$node->setAttribute('site', Envi::getSubsite());
$node->setAttribute('host', $host = Envi::getHost());
$node->setAttribute('mainhost', $mainhost = Envi::getHost(true));
$node->setAttribute('protocol', Envi::getProtocol());
$node->setAttribute('fullhost', Envi::getURLPrefix());
$node->setAttribute('instance', $instance ? $instance : View::$instance);
$node->setAttribute('uri', Envi::getUri());
$node->setAttribute('controllerUri', Action::getControllerUri());
if ($host != $mainhost) {
$node->setAttribute('urlprefix', Envi::getURLPrefix(true));
}
// get user agent
Envi\UserAgent::getUserAgentXML($node);
// ajax flag
$node->setAttribute('ajax', (Request::isAjax() or isset($_SERVER['HTTP_X_REQUESTED_WITH']) and $_SERVER['HTTP_X_REQUESTED_WITH'] == 'SwitchPage') ? '1' : '0');
$node->setAttribute('switcher', (!$controller->cache and isset($_SERVER['HTTP_X_REQUESTED_WITH']) and $_SERVER['HTTP_X_REQUESTED_WITH'] == 'SwitchPage') ? '1' : '0');
// build and version number
$node->setAttribute('build', Version::getBuild());
$node->setAttribute('framework', Version::getFrameworkVersion(false));
$node->setAttribute('frameworkLong', Version::getFrameworkVersion(true));
// date
/** @var $dateNode \DOMElement */
$dateNode = $node->appendChild($xml->createElement('date'));
$dateKeys = ['d', 'e', 'A', 'a', 'm', 'B', 'b', 'Y', 'y', 'c', 'x', 'H', 'M', 'S'];
$dateValues = explode('|', strftime('%' . implode('|%', $dateKeys)));
$dateCombined = array_combine($dateKeys, $dateValues);
$dateNode->setAttribute('ts', time());
foreach ($dateCombined as $k => $v) {
$dateNode->setAttribute($k, $v);
}
// debug flag
$node->setAttribute('debug', Debugger::isEnabled() ? '1' : '0');
// config values (for js variable)
$configNode = $node->appendChild($xml->createElement('config'));
Envi::getStateXML($configNode);
// menu
if ($menuResource = Resourcer::getInstance('menu')->compile(View::$instance)) {
$menuXML = new \DOMDocument();
$menuXML->loadXML($menuResource);
$node->appendChild($xml->importNode($menuXML->documentElement, true));
}
// auth
Auth::getInstance()->getAuthXML($node);
// locale
Locales::getInstance()->getLocaleXML($node);
// Add config js object
$config = Envi::getState();
$confJS = '';
foreach ($config as $k => $v) {
$confJS .= "config.{$k}='" . addslashes($v) . "';";
}
$node->setAttribute('jsConfig', $confJS);
Debugger::addLine('Filling XML data for render: Done');
Debugger::debugXML($node);
}
/**
* Construct
* @param string $message
* @param int $code
* @param \Exception $previous
*/
public function __construct($message, $code = 0, \Exception $previous = null)
{
//parent::__construct( $message, $code, $previous );
if (isset(self::$errors[$message])) {
$err = $message;
$error = self::$errors[$err];
$msg = '';
} elseif (isset(self::$errors[$code])) {
$err = $code;
$error = self::$errors[$err];
$msg = $message;
} else {
$err = self::E_INTERNAL_SERVER_ERROR;
$error = self::$errors[$err];
$msg = $message;
}
self::$error = $err;
header("HTTP/1.1 {$err} {$error}");
/*
if( $ttl and is_numeric( $ttl ) and $ttl >= 0 ) {
self::addExpires( $ttl );
}
*/
try {
$xml = new \DOMDocument();
/** @var $root \DOMElement */
$root = $xml->appendChild($xml->createElement('error' . $err));
$root->setAttribute('host', Envi::getSubsite());
$root->setAttribute('hostname', $host = Envi::getHost());
$root->setAttribute('mainhost', $mainHost = Envi::getHost(true));
if ($host != $mainHost) {
$root->setAttribute('urlprefix', 'http://' . $mainHost);
}
$root->setAttribute('build', Version::getBuild());
$configNode = $root->appendChild($xml->createElement('config'));
Envi::getStateXML($configNode);
View::render($xml, 'error_' . $err);
} catch (\Difra\Exception $ex) {
echo <<<ErrorPage
<html>
\t<head>
\t\t<title>{$error}</title>
\t</head>
\t<body>
\t\t<center>
\t\t\t<h1 style="padding:350px 0 0 0">Error {$err}: {$error}</h1>
\t\t\t{$msg}
\t\t</center>
\t</body>
</html>
ErrorPage;
}
View::$rendered = true;
die;
}
/**
* Get compiled resource
* @param $instance
* @param bool $withSources
* @return bool|null
*/
public function compile($instance, $withSources = false)
{
if (!$this->checkInstance($instance)) {
return false;
}
// get compiled from cache if available
$cache = Cache::getInstance();
if ($cache->adapter != Cache::INST_NONE) {
$cacheKey = "{$instance}_{$this->type}";
if (!is_null($cached = $cache->get($cacheKey))) {
if ($cache->get($cacheKey . '_build') == Version::getBuild()) {
return $cached;
}
}
// wait for updated data, try to get lock
$busyKey = "{$cacheKey}_busy";
$busyValue = rand(100000, 999999);
while (true) {
if (!($currentBusy = $cache->get($busyKey))) {
// got updated data?
if (!is_null($cached = $cache->get($cacheKey)) and $cache->get($cacheKey . '_build') == Version::getBuild()) {
return $cached;
}
// try to lock cache
$cache->put($busyKey, $busyValue, 7);
usleep(5000);
} else {
// is cache locked by me?
if ($currentBusy == $busyValue) {
break;
}
usleep(19111);
}
}
// compile resource
$resource = $this->realCompile($instance, $withSources);
// cache data
$cache->put($cacheKey, $resource, self::CACHE_TTL);
$cache->put($cacheKey . '_build', Version::getBuild(), self::CACHE_TTL);
$cache->put($cacheKey . '_modified', gmdate('D, d M Y H:i:s') . ' GMT', self::CACHE_TTL);
// unlock cache
$cache->remove($busyKey);
return $resource;
} else {
return $this->realCompile($instance, $withSources);
}
}