private function processEvent()
{
$dom = $this->dom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
} else {
$agent = new Agent($originalSourceId);
if ($agent->isRegistered()) {
$eventObjectNode = $dom->getElementsByTagName('SIF_EventObject')->item(0);
$objectName = $eventObjectNode->getAttribute('ObjectName');
$objectAction = $eventObjectNode->getAttribute('Action');
$objectAction = strtolower($objectAction);
if (!DataObject::objectExists($objectName)) {
ProvisionError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$allowed = $this->hasPermission($objectName, $objectAction, $agent->agentId);
if ($allowed) {
$provider = DataObject::isProvider($objectName, $agent->agentId);
if ($provider) {
$this->publishEvent($agent->agentId, $objectName, $objectAction, $_SESSION['ZONE_VERSION'], $dom->saveXml($headerNode));
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
$sifMessageNode = $dom->getElementsByTagName('SIF_Message')->item(0);
XmlHelper::buildSuccessMessage($msgId, $timestamp, $originalSourceId, $originalMsgId, 0, $originalMsg = null, $desc = null);
} else {
ProvisionError::notProviderError($originalSourceId, $originalMsgId);
}
} else {
switch ($objectAction) {
case 'add':
ProvisionError::invalidPermissionToPublishAdd($originalSourceId, $originalMsgId, $objectName);
break;
case 'change':
ProvisionError::invalidPermissionToPublishChange($originalSourceId, $originalMsgId, $objectName);
break;
case 'delete':
ProvisionError::invalidPermissionToPublishDelete($originalSourceId, $originalMsgId, $objectName);
break;
}
//switch for error message
}
//allowed
}
//object exist
} else {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
}
//not registered
}
//valid sourceId
}
