Exemple #1
0
  /**
   * Audits the removal of a processor via deleteProcessor().
   *
   * @param proceedingJoinPoint join point
   * @param processorId processor id
   * @param processorDAO dao
   * @throws Throwable ex
   */
  @Around(
      "within(org.apache.nifi.web.dao.ProcessorDAO+) && "
          + "execution(void deleteProcessor(java.lang.String)) && "
          + "args(processorId) && "
          + "target(processorDAO)")
  public void removeProcessorAdvice(
      ProceedingJoinPoint proceedingJoinPoint, String processorId, ProcessorDAO processorDAO)
      throws Throwable {
    // get the processor before removing it
    ProcessorNode processor = processorDAO.getProcessor(processorId);

    // remove the processor
    proceedingJoinPoint.proceed();

    // if no exceptions were thrown, add removal actions...
    // audit the processor removal
    final Action action = generateAuditRecord(processor, Operation.Remove);

    // save the actions
    if (action != null) {
      saveAction(action, logger);
    }
  }
Exemple #2
0
  /**
   * Audits the configuration of a single processor.
   *
   * @param proceedingJoinPoint join point
   * @param processorDTO dto
   * @param processorDAO dao
   * @return node
   * @throws Throwable ex
   */
  @Around(
      "within(org.apache.nifi.web.dao.ProcessorDAO+) && "
          + "execution(org.apache.nifi.controller.ProcessorNode updateProcessor(org.apache.nifi.web.api.dto.ProcessorDTO)) && "
          + "args(processorDTO) && "
          + "target(processorDAO)")
  public ProcessorNode updateProcessorAdvice(
      ProceedingJoinPoint proceedingJoinPoint, ProcessorDTO processorDTO, ProcessorDAO processorDAO)
      throws Throwable {
    // determine the initial values for each property/setting thats changing
    ProcessorNode processor = processorDAO.getProcessor(processorDTO.getId());
    final Map<String, String> values = extractConfiguredPropertyValues(processor, processorDTO);
    final ScheduledState scheduledState = processor.getScheduledState();

    // update the processor state
    final ProcessorNode updatedProcessor = (ProcessorNode) proceedingJoinPoint.proceed();

    // if no exceptions were thrown, add the processor action...
    // get the updated verbose state
    processor = processorDAO.getProcessor(updatedProcessor.getIdentifier());

    // get the current user
    NiFiUser user = NiFiUserUtils.getNiFiUser();

    // ensure the user was found
    if (user != null) {
      // determine the updated values
      Map<String, String> updatedValues = extractConfiguredPropertyValues(processor, processorDTO);

      // create the processor details
      FlowChangeExtensionDetails processorDetails = new FlowChangeExtensionDetails();
      processorDetails.setType(processor.getProcessor().getClass().getSimpleName());

      // create a processor action
      Date actionTimestamp = new Date();
      Collection<Action> actions = new ArrayList<>();

      // go through each updated value
      for (String property : updatedValues.keySet()) {
        String newValue = updatedValues.get(property);
        String oldValue = values.get(property);
        Operation operation = null;

        // determine the type of operation
        if (oldValue == null || newValue == null || !newValue.equals(oldValue)) {
          operation = Operation.Configure;
        }

        // create a configuration action accordingly
        if (operation != null) {
          // clear the value if this property is sensitive
          final PropertyDescriptor propertyDescriptor =
              processor.getProcessor().getPropertyDescriptor(property);
          if (propertyDescriptor != null && propertyDescriptor.isSensitive()) {
            if (newValue != null) {
              newValue = "********";
            }
            if (oldValue != null) {
              oldValue = "********";
            }
          } else if (ANNOTATION_DATA.equals(property)) {
            if (newValue != null) {
              newValue = "<annotation data not shown>";
            }
            if (oldValue != null) {
              oldValue = "<annotation data not shown>";
            }
          }

          final FlowChangeConfigureDetails actionDetails = new FlowChangeConfigureDetails();
          actionDetails.setName(property);
          actionDetails.setValue(newValue);
          actionDetails.setPreviousValue(oldValue);

          // create a configuration action
          FlowChangeAction configurationAction = new FlowChangeAction();
          configurationAction.setUserIdentity(user.getIdentity());
          configurationAction.setUserName(user.getUserName());
          configurationAction.setOperation(operation);
          configurationAction.setTimestamp(actionTimestamp);
          configurationAction.setSourceId(processor.getIdentifier());
          configurationAction.setSourceName(processor.getName());
          configurationAction.setSourceType(Component.Processor);
          configurationAction.setComponentDetails(processorDetails);
          configurationAction.setActionDetails(actionDetails);
          actions.add(configurationAction);
        }
      }

      // determine the new executing state
      final ScheduledState updatedScheduledState = processor.getScheduledState();

      // determine if the running state has changed and its not disabled
      if (scheduledState != updatedScheduledState) {
        // create a processor action
        FlowChangeAction processorAction = new FlowChangeAction();
        processorAction.setUserIdentity(user.getIdentity());
        processorAction.setUserName(user.getUserName());
        processorAction.setTimestamp(new Date());
        processorAction.setSourceId(processor.getIdentifier());
        processorAction.setSourceName(processor.getName());
        processorAction.setSourceType(Component.Processor);
        processorAction.setComponentDetails(processorDetails);

        // set the operation accordingly
        if (ScheduledState.RUNNING.equals(updatedScheduledState)) {
          processorAction.setOperation(Operation.Start);
        } else if (ScheduledState.DISABLED.equals(updatedScheduledState)) {
          processorAction.setOperation(Operation.Disable);
        } else {
          // state is now stopped... consider the previous state
          if (ScheduledState.RUNNING.equals(scheduledState)) {
            processorAction.setOperation(Operation.Stop);
          } else if (ScheduledState.DISABLED.equals(scheduledState)) {
            processorAction.setOperation(Operation.Enable);
          }
        }
        actions.add(processorAction);
      }

      // ensure there are actions to record
      if (!actions.isEmpty()) {
        // save the actions
        saveActions(actions, logger);
      }
    }

    return updatedProcessor;
  }