private Object getAttribute(
final ResourceAndRegistration reg,
final PathAddress address,
final ObjectName name,
final String attribute,
final ResourceAccessControl accessControl)
throws ReflectionException, AttributeNotFoundException, InstanceNotFoundException {
final ImmutableManagementResourceRegistration registration = getMBeanRegistration(address, reg);
final DescriptionProvider provider =
registration.getModelDescription(PathAddress.EMPTY_ADDRESS);
if (provider == null) {
throw MESSAGES.descriptionProviderNotFound(address);
}
final ModelNode description = provider.getModelDescription(null);
final String attributeName = findAttributeName(description.get(ATTRIBUTES), attribute);
if (!accessControl.isReadableAttribute(attributeName)) {
throw MESSAGES.notAuthorizedToReadAttribute(attributeName);
}
ModelNode op = new ModelNode();
op.get(OP).set(READ_ATTRIBUTE_OPERATION);
op.get(OP_ADDR).set(address.toModelNode());
op.get(NAME).set(attributeName);
ModelNode result = execute(op);
String error = getFailureDescription(result);
if (error != null) {
throw new AttributeNotFoundException(error);
}
return converters.fromModelNode(
description.require(ATTRIBUTES).require(attributeName), result.get(RESULT));
}
private void setAttribute(
final ResourceAndRegistration reg,
final PathAddress address,
final ObjectName name,
final Attribute attribute,
ResourceAccessControl accessControl)
throws InvalidAttributeValueException, AttributeNotFoundException, InstanceNotFoundException {
final ImmutableManagementResourceRegistration registration = getMBeanRegistration(address, reg);
final DescriptionProvider provider =
registration.getModelDescription(PathAddress.EMPTY_ADDRESS);
if (provider == null) {
throw MESSAGES.descriptionProviderNotFound(address);
}
final ModelNode description = provider.getModelDescription(null);
final String attributeName =
findAttributeName(description.get(ATTRIBUTES), attribute.getName());
if (!standalone) {
throw MESSAGES.attributeNotWritable(attribute);
}
if (!accessControl.isWritableAttribute(attributeName)) {
throw MESSAGES.notAuthorizedToWriteAttribute(attributeName);
}
ModelNode op = new ModelNode();
op.get(OP).set(WRITE_ATTRIBUTE_OPERATION);
op.get(OP_ADDR).set(address.toModelNode());
op.get(NAME).set(attributeName);
try {
op.get(VALUE)
.set(
converters.toModelNode(
description.require(ATTRIBUTES).require(attributeName), attribute.getValue()));
} catch (ClassCastException e) {
throw MESSAGES.invalidAttributeType(e, attribute.getName());
}
ModelNode result = execute(op);
String error = getFailureDescription(result);
if (error != null) {
// Since read-resource-description does not know the parameters of the operation, i.e. if a
// vault expression is used or not,
// check the error code
// TODO add a separate authorize step where we check ourselves that the operation will pass
// authorization?
if (isVaultExpression(attribute.getValue()) && error.contains(AUTHORIZED_ERROR)) {
throw MESSAGES.notAuthorizedToWriteAttribute(attributeName);
}
throw new InvalidAttributeValueException(error);
}
}
private Object invoke(
final OperationEntry entry, final String operationName, PathAddress address, Object[] params)
throws InstanceNotFoundException, MBeanException, ReflectionException {
if (!standalone && !entry.getFlags().contains(OperationEntry.Flag.READ_ONLY)) {
throw MESSAGES.noOperationCalled(operationName);
}
ResourceAccessControl accessControl;
if (operationName.equals("add")) {
accessControl = accessControlUtil.getResourceAccess(address, true);
} else {
ObjectName objectName = ObjectNameAddressUtil.createObjectName(operationName, address);
accessControl =
accessControlUtil.getResourceAccessWithInstanceNotFoundExceptionIfNotAccessible(
objectName, address, true);
}
if (!accessControl.isExecutableOperation(operationName)) {
throw MESSAGES.notAuthorizedToExecuteOperation(operationName);
}
final ModelNode description = entry.getDescriptionProvider().getModelDescription(null);
ModelNode op = new ModelNode();
op.get(OP).set(operationName);
op.get(OP_ADDR).set(address.toModelNode());
if (params.length > 0) {
ModelNode requestProperties = description.require(REQUEST_PROPERTIES);
Set<String> keys = requestProperties.keys();
if (keys.size() != params.length) {
throw MESSAGES.differentLengths("params", "description");
}
Iterator<String> it = requestProperties.keys().iterator();
for (int i = 0; i < params.length; i++) {
String attributeName = it.next();
ModelNode paramDescription = requestProperties.get(attributeName);
op.get(attributeName).set(converters.toModelNode(paramDescription, params[i]));
}
}
ModelNode result = execute(op);
String error = getFailureDescription(result);
if (error != null) {
if (error.contains(AUTHORIZED_ERROR)) {
for (Object param : params) {
// Since read-resource-description does not know the parameters of the operation, i.e. if
// a vault expression is used or not,
// check the error code
// TODO add a separate authorize step where we check ourselves that the operation will
// pass authorization?
if (isVaultExpression(param)) {
throw MESSAGES.notAuthorizedToExecuteOperation(operationName);
}
}
}
throw new ReflectionException(null, error);
}
if (!description.hasDefined(REPLY_PROPERTIES)) {
return null;
}
// TODO we could have more than one reply property
return converters.fromModelNode(description.get(REPLY_PROPERTIES), result.get(RESULT));
}