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
}
private function processSubscribe()
{
$dom = $this->dom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
if ($headerNode->getElementsByTagName('SIF_Timestamp')->item(0)) {
$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
} else {
$originalTimestamp = Utility::createTimestamp();
}
$this->originalSourceId = $originalSourceId;
$this->originalMsgId = $originalMsgId;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
ProvisionError::invalidSourceId($originalSourceId, $originalMsgId);
exit;
} else {
$agent = new Agent($originalSourceId);
$this->agent = $agent;
if (!$this->agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
exit;
} else {
$objects = $dom->getElementsByTagName('SIF_Object');
foreach ($objects as $object) {
$objectName = $object->getAttribute('ObjectName');
$contexts = $object->getElementsByTagName('SIF_Context');
if (!DataObject::objectExists($objectName)) {
ProvisionError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
if ($contexts->length != 0) {
foreach ($contexts as $context) {
if (Context::isValidContext($context->nodeValue)) {
$contextId = Context::getContextId($context->nodeValue);
if (!DataObject::allowedToSubscribe($agent->agentId, $objectName, $contextId)) {
ProvisionError::invalidPermissionToSubscribe($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$dataObject = new DataObject($objectName);
$dataObject->contextId = $contextId;
array_push($this->subscribeObjects, $dataObject);
}
//check if allowed to subscribe
} else {
ProvisionError::contextNotSupportedError($originalSourceId, $originalMsgId);
exit;
}
}
//loop through contexts
} else {
if (!DataObject::allowedToSubscribe($agent->agentId, $objectName)) {
ProvisionError::invalidPermissionToSubscribe($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$dataObject = new DataObject($objectName);
array_push($this->subscribeObjects, $dataObject);
}
//check if allowed to subscribe
}
// check if there are contexts
}
//check if object is valid
}
//loop through objects
}
//check if registered
}
//check sourceId
}
private function processProvideObjects($objectNode)
{
$objects = $objectNode->getElementsByTagName('SIF_Object');
foreach ($objects as $object) {
$objectName = $object->getAttribute('ObjectName');
$contexts = $object->getElementsByTagName('SIF_Context');
if (!DataObject::objectExists($objectName)) {
ProvisionError::invalidObject($this->originalSourceId, $this->originalMsgId, $objectName);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
if ($contexts->length != 0) {
foreach ($contexts as $context) {
$contextId = Context::getContextId($context->nodeValue);
if (DataObject::alreadyProvided($this->agent->agentId, $objectName, $contextId)) {
ProvisionError::alreadyProvided($this->originalSourceId, $this->originalMsgId, $objectName);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
if (!DataObject::allowedToProvide($this->agent->agentId, $objectName, $contextId)) {
ProvisionError::invalidPermissionToProvide($this->originalSourceId, $this->originalMsgId, $objectName);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
$dataObject = new DataObject($objectName);
$dataObject->contextId = $contextId;
array_push($this->provideObjects, $dataObject);
}
//check if allowed to provide
}
//check if already provided
}
} else {
if (DataObject::alreadyProvided($this->agent->agentId, $objectName)) {
ProvisionError::alreadyProvided($this->originalSourceId, $this->originalMsgId, $objectName);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
if (!DataObject::allowedToProvide($this->agent->agentId, $objectName)) {
ProvisionError::invalidPermissionToProvide($this->originalSourceId, $this->originalMsgId, $objectName);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
$dataObject = new DataObject($objectName);
array_push($this->provideObjects, $dataObject);
}
//check if allowed to provide
}
//check if already provided
}
//check if there are contexts
}
//check if object exist
}
//loop through objects
}
