@PUT
@Path("device/{deviceId}/policy")
public Response updatePolicy(
@PathParam("deviceId") String deviceId,
@QueryParam("protocol") String protocol,
@FormParam("policy") String policy) {
String protocolString = protocol.toUpperCase();
if (log.isDebugEnabled()) {
log.debug(
"Sending request to update-policy of device [" + deviceId + "] via " + protocolString);
}
try {
if (!APIUtil.getDeviceAccessAuthorizationService()
.isUserAuthorized(
new DeviceIdentifier(deviceId, VirtualFireAlarmConstants.DEVICE_TYPE),
DeviceGroupConstants.Permissions.DEFAULT_MANAGE_POLICIES_PERMISSIONS)) {
return Response.status(Response.Status.UNAUTHORIZED.getStatusCode()).build();
}
PrivateKey serverPrivateKey = VirtualFirealarmSecurityManager.getServerPrivateKey();
String actualMessage = VirtualFireAlarmConstants.POLICY_CONTEXT + ":" + policy;
String encryptedMsg =
VirtualFireAlarmServiceUtils.prepareSecurePayLoad(actualMessage, serverPrivateKey);
Map<String, String> dynamicProperties = new HashMap<>();
switch (protocolString) {
case XMPP_PROTOCOL:
dynamicProperties.put(
VirtualFireAlarmConstants.JID_PROPERTY_KEY,
deviceId + "@" + XmppConfig.getInstance().getServerName());
dynamicProperties.put(VirtualFireAlarmConstants.SUBJECT_PROPERTY_KEY, "POLICTY-REQUEST");
dynamicProperties.put(
VirtualFireAlarmConstants.MESSAGE_TYPE_PROPERTY_KEY,
VirtualFireAlarmConstants.CHAT_PROPERTY_KEY);
APIUtil.getOutputEventAdapterService()
.publish(
VirtualFireAlarmConstants.XMPP_ADAPTER_NAME, dynamicProperties, encryptedMsg);
break;
default:
String publishTopic =
APIUtil.getTenantDomainOftheUser()
+ "/"
+ VirtualFireAlarmConstants.DEVICE_TYPE
+ "/"
+ deviceId;
dynamicProperties.put(VirtualFireAlarmConstants.ADAPTER_TOPIC_PROPERTY, publishTopic);
APIUtil.getOutputEventAdapterService()
.publish(
VirtualFireAlarmConstants.MQTT_ADAPTER_NAME, dynamicProperties, encryptedMsg);
break;
}
return Response.ok().build();
} catch (DeviceAccessAuthorizationException e) {
log.error(e.getErrorMessage(), e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
} catch (VirtualFireAlarmException e) {
log.error(e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
}
/**
* {@inheritDoc} VirtualFirealarm device-type specific implementation to publish data to the
* device. This method calls the {@link #publishToQueue(String, MqttMessage)} method of the
* "MQTTTransportHandler" class.
*/
@Override
public void publishDeviceData(String... publishData) throws TransportHandlerException {
if (publishData.length != 4) {
String errorMsg =
"Incorrect number of arguments received to SEND-MQTT Message. "
+ "Need to be [owner, deviceId, resource{BULB/TEMP}, state{ON/OFF or null}]";
log.error(errorMsg);
throw new TransportHandlerException(errorMsg);
}
String deviceOwner = publishData[0];
String deviceId = publishData[1];
String resource = publishData[2];
String state = publishData[3];
MqttMessage pushMessage = new MqttMessage();
String publishTopic = "wso2/" + VirtualFireAlarmConstants.DEVICE_TYPE + "/" + deviceId;
try {
PublicKey devicePublicKey = VirtualFireAlarmServiceUtils.getDevicePublicKey(deviceId);
PrivateKey serverPrivateKey = SecurityManager.getServerPrivateKey();
String actualMessage = resource + ":" + state;
String encryptedMsg =
VirtualFireAlarmServiceUtils.prepareSecurePayLoad(
actualMessage, devicePublicKey, serverPrivateKey);
pushMessage.setPayload(encryptedMsg.getBytes(StandardCharsets.UTF_8));
pushMessage.setQos(DEFAULT_MQTT_QUALITY_OF_SERVICE);
pushMessage.setRetained(false);
publishToQueue(publishTopic, pushMessage);
} catch (VirtualFireAlarmException e) {
String errorMsg =
"Preparing Secure payload failed for device - ["
+ deviceId
+ "] of owner - "
+ "["
+ deviceOwner
+ "].";
log.error(errorMsg);
throw new TransportHandlerException(errorMsg, e);
}
}
/**
* {@inheritDoc} VirtualFirealarm device-type specific implementation to process incoming
* messages. This is the specific method signature of the overloaded "processIncomingMessage"
* method that gets called from the messageArrived() callback of the "MQTTTransportHandler".
*/
@Override
public void processIncomingMessage(MqttMessage mqttMessage, String... messageParams) {
if (messageParams.length != 0) {
// owner and the deviceId are extracted from the MQTT topic to which the message was received.
// <Topic> = [ServerName/Owner/DeviceType/DeviceId/"publisher"]
String topic = messageParams[0];
String[] topicParams = topic.split("/");
String deviceId = topicParams[2];
if (log.isDebugEnabled()) {
log.debug("Received MQTT message for: [DEVICE.ID-" + deviceId + "]");
}
String actualMessage;
try {
// the hash-code of the deviceId is used as the alias for device certificates during SCEP
// enrollment.
// hence, the same is used here to fetch the device-specific-certificate from the key store.
PublicKey clientPublicKey = VirtualFireAlarmServiceUtils.getDevicePublicKey(deviceId);
PrivateKey serverPrivateKey = SecurityManager.getServerPrivateKey();
// the MQTT-messages from VirtualFireAlarm devices are in the form {"Msg":<MESSAGE>,
// "Sig":<SIGNATURE>}
actualMessage =
VirtualFireAlarmServiceUtils.extractMessageFromPayload(
mqttMessage.toString(), serverPrivateKey, clientPublicKey);
if (log.isDebugEnabled()) {
log.debug("MQTT: Received Message [" + actualMessage + "] topic: [" + topic + "]");
}
if (actualMessage.contains("PUBLISHER")) {
float temperature = Float.parseFloat(actualMessage.split(":")[2]);
try {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
DeviceManagementProviderService deviceManagementProviderService =
(DeviceManagementProviderService)
ctx.getOSGiService(DeviceManagementProviderService.class, null);
if (deviceManagementProviderService != null) {
DeviceIdentifier identifier =
new DeviceIdentifier(deviceId, VirtualFireAlarmConstants.DEVICE_TYPE);
Device device = deviceManagementProviderService.getDevice(identifier);
if (device != null) {
String owner = device.getEnrolmentInfo().getOwner();
ctx.setTenantDomain(MultitenantUtils.getTenantDomain(owner), true);
ctx.setUsername(owner);
if (!VirtualFireAlarmServiceUtils.publishToDAS(deviceId, temperature)) {
log.error("MQTT Subscriber: Publishing data to DAS failed.");
}
}
}
} catch (DeviceManagementException e) {
log.error(
"Failed to retreive the device managment service for device type "
+ VirtualFireAlarmConstants.DEVICE_TYPE,
e);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
if (log.isDebugEnabled()) {
log.debug("MQTT Subscriber: Published data to DAS successfully.");
}
} else if (actualMessage.contains("TEMPERATURE")) {
String temperatureValue = actualMessage.split(":")[1];
}
} catch (VirtualFireAlarmException e) {
String errorMsg =
"CertificateManagementService failure oo Signature-Verification/Decryption was unsuccessful.";
log.error(errorMsg, e);
}
} else {
String errorMsg =
"MQTT message ["
+ mqttMessage.toString()
+ "] was received without the topic information.";
log.warn(errorMsg);
}
}
@POST
@Path("device/{deviceId}/buzz")
public Response switchBuzzer(
@PathParam("deviceId") String deviceId, @FormParam("state") String state) {
if (state == null || state.isEmpty()) {
log.error("State is not defined for the buzzer operation");
return Response.status(Response.Status.BAD_REQUEST).build();
}
String switchToState = state.toUpperCase();
if (!switchToState.equals(VirtualFireAlarmConstants.STATE_ON)
&& !switchToState.equals(VirtualFireAlarmConstants.STATE_OFF)) {
log.error("The requested state change shoud be either - 'ON' or 'OFF'");
return Response.status(Response.Status.BAD_REQUEST).build();
}
try {
if (!APIUtil.getDeviceAccessAuthorizationService()
.isUserAuthorized(
new DeviceIdentifier(deviceId, VirtualFireAlarmConstants.DEVICE_TYPE),
DeviceGroupConstants.Permissions.DEFAULT_OPERATOR_PERMISSIONS)) {
return Response.status(Response.Status.UNAUTHORIZED.getStatusCode()).build();
}
String resource = VirtualFireAlarmConstants.BULB_CONTEXT.replace("/", "");
PrivateKey serverPrivateKey = VirtualFirealarmSecurityManager.getServerPrivateKey();
String actualMessage = resource + ":" + switchToState;
String encryptedMsg =
VirtualFireAlarmServiceUtils.prepareSecurePayLoad(actualMessage, serverPrivateKey);
String publishTopic =
APIUtil.getTenantDomainOftheUser()
+ "/"
+ VirtualFireAlarmConstants.DEVICE_TYPE
+ "/"
+ deviceId;
Operation commandOp = new CommandOperation();
commandOp.setCode("buzz");
commandOp.setType(Operation.Type.COMMAND);
commandOp.setEnabled(true);
commandOp.setPayLoad(encryptedMsg);
Properties props = new Properties();
props.setProperty(VirtualFireAlarmConstants.MQTT_ADAPTER_TOPIC_PROPERTY_NAME, publishTopic);
props.setProperty(
VirtualFireAlarmConstants.CLIENT_JID_PROPERTY_KEY,
deviceId + "@" + XmppConfig.getInstance().getServerName());
props.setProperty(VirtualFireAlarmConstants.SUBJECT_PROPERTY_KEY, "CONTROL-REQUEST");
props.setProperty(
VirtualFireAlarmConstants.MESSAGE_TYPE_PROPERTY_KEY,
VirtualFireAlarmConstants.CHAT_PROPERTY_KEY);
commandOp.setProperties(props);
List<DeviceIdentifier> deviceIdentifiers = new ArrayList<>();
deviceIdentifiers.add(new DeviceIdentifier(deviceId, VirtualFireAlarmConstants.DEVICE_TYPE));
APIUtil.getDeviceManagementService()
.addOperation(VirtualFireAlarmConstants.DEVICE_TYPE, commandOp, deviceIdentifiers);
return Response.ok().build();
} catch (DeviceAccessAuthorizationException e) {
log.error(e.getErrorMessage(), e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
} catch (VirtualFireAlarmException e) {
String errorMsg = "Preparing Secure payload failed for device - [" + deviceId + "]";
log.error(errorMsg);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
} catch (OperationManagementException e) {
String msg = "Error occurred while executing command operation upon ringing the buzzer";
log.error(msg, e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
}
