/**
* Retrieves the specified access policy.
*
* @return An accessPolicyEntity.
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{action}/{resource: .+}")
// TODO - @PreAuthorize("hasAnyRole('ROLE_MONITOR', 'ROLE_DFM', 'ROLE_ADMIN')")
@ApiOperation(
value = "Gets an access policy",
response = AccessPolicyEntity.class,
authorizations = {
@Authorization(value = "Read Only", type = "ROLE_MONITOR"),
@Authorization(value = "Data Flow Manager", type = "ROLE_DFM"),
@Authorization(value = "Administrator", type = "ROLE_ADMIN")
})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response getAccessPolicyForResource(
@ApiParam(value = "The request action.", allowableValues = "read, write", required = true)
@PathParam("action")
final String action,
@ApiParam(value = "The resource of the policy.", required = true) @PathParam("resource")
String rawResource) {
// parse the action and resource type
final RequestAction requestAction = RequestAction.valueOfValue(action);
final String resource = "/" + rawResource;
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(
lookup -> {
final Authorizable accessPolicy = lookup.getAccessPolicyByResource(resource);
accessPolicy.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the access policy
final AccessPolicyEntity entity = serviceFacade.getAccessPolicy(requestAction, resource);
populateRemainingAccessPolicyEntityContent(entity);
return clusterContext(generateOkResponse(entity)).build();
}
/**
* Removes the specified template.
*
* @param httpServletRequest request
* @param id The id of the template to remove.
* @return A templateEntity.
*/
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(
value = "Deletes a template",
response = TemplateEntity.class,
authorizations = {@Authorization(value = "Write - /templates/{uuid}", type = "")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response removeTemplate(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(value = "The template id.", required = true) @PathParam("id") final String id) {
if (isReplicateRequest()) {
return replicate(HttpMethod.DELETE);
}
final TemplateEntity requestTemplateEntity = new TemplateEntity();
requestTemplateEntity.setId(id);
return withWriteLock(
serviceFacade,
requestTemplateEntity,
lookup -> {
final Authorizable template = lookup.getTemplate(id);
template.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
},
null,
(templateEntity) -> {
// delete the specified template
serviceFacade.deleteTemplate(templateEntity.getId());
// build the response entity
final TemplateEntity entity = new TemplateEntity();
return clusterContext(generateOkResponse(entity)).build();
});
}
/**
* Retrieves the specified output port.
*
* @param id The id of the output port to retrieve
* @return A outputPortEntity.
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(
value = "Gets an output port",
response = PortEntity.class,
authorizations = {@Authorization(value = "Read - /output-ports/{uuid}", type = "")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response getOutputPort(
@ApiParam(value = "The output port id.", required = true) @PathParam("id") final String id) {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(
lookup -> {
final Authorizable outputPort = lookup.getOutputPort(id);
outputPort.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the port
final PortEntity entity = serviceFacade.getOutputPort(id);
populateRemainingOutputPortEntityContent(entity);
return clusterContext(generateOkResponse(entity)).build();
}
/**
* Retrieves the specified template.
*
* @param id The id of the template to retrieve
* @return A templateEntity.
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_XML)
@Path("{id}/download")
@ApiOperation(
value = "Exports a template",
response = TemplateDTO.class,
authorizations = {@Authorization(value = "Read - /templates/{uuid}", type = "")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response exportTemplate(
@ApiParam(value = "The template id.", required = true) @PathParam("id") final String id) {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(
lookup -> {
final Authorizable template = lookup.getTemplate(id);
template.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the template
final TemplateDTO template = serviceFacade.exportTemplate(id);
// prune the template id
template.setId(null);
// determine the name of the attachement - possible issues with spaces in file names
String attachmentName = template.getName();
if (StringUtils.isBlank(attachmentName)) {
attachmentName = "template";
} else {
attachmentName = attachmentName.replaceAll("\\s", "_");
}
// generate the response
/*
* Here instead of relying on default JAXB marshalling we are simply
* serializing template to String (formatted, indented etc) and sending
* it as part of the response.
*/
String serializedTemplate =
new String(TemplateSerializer.serialize(template), StandardCharsets.UTF_8);
return generateOkResponse(serializedTemplate)
.header(
"Content-Disposition", String.format("attachment; filename=\"%s.xml\"", attachmentName))
.build();
}
/**
* Removes the specified access policy.
*
* @param httpServletRequest request
* @param version The revision is used to verify the client is working with the latest version of
* the flow.
* @param clientId Optional client id. If the client id is not specified, a new one will be
* generated. This value (whether specified or generated) is included in the response.
* @param id The id of the access policy to remove.
* @return A entity containing the client id and an updated revision.
*/
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
// TODO - @PreAuthorize("hasRole('ROLE_DFM')")
@ApiOperation(
value = "Deletes an access policy",
response = AccessPolicyEntity.class,
authorizations = {@Authorization(value = "Data Flow Manager", type = "ROLE_DFM")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response removeAccessPolicy(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(
value =
"The revision is used to verify the client is working with the latest version of the flow.",
required = false)
@QueryParam(VERSION)
final LongParameter version,
@ApiParam(
value =
"If the client id is not specified, new one will be generated. This value (whether specified or generated) is included in the response.",
required = false)
@QueryParam(CLIENT_ID)
@DefaultValue(StringUtils.EMPTY)
final ClientIdParameter clientId,
@ApiParam(value = "The access policy id.", required = true) @PathParam("id")
final String id) {
if (isReplicateRequest()) {
return replicate(HttpMethod.DELETE);
}
// handle expects request (usually from the cluster manager)
final Revision revision =
new Revision(version == null ? null : version.getLong(), clientId.getClientId(), id);
return withWriteLock(
serviceFacade,
revision,
lookup -> {
final Authorizable accessPolicy = lookup.getAccessPolicyById(id);
accessPolicy.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
},
() -> {},
() -> {
// delete the specified access policy
final AccessPolicyEntity entity = serviceFacade.deleteAccessPolicy(revision, id);
return clusterContext(generateOkResponse(entity)).build();
});
}
/**
* Updates an access policy.
*
* @param httpServletRequest request
* @param id The id of the access policy to update.
* @param accessPolicyEntity An accessPolicyEntity.
* @return An accessPolicyEntity.
*/
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
// TODO - @PreAuthorize("hasRole('ROLE_DFM')")
@ApiOperation(
value = "Updates a access policy",
response = AccessPolicyEntity.class,
authorizations = {@Authorization(value = "Data Flow Manager", type = "ROLE_DFM")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response updateAccessPolicy(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(value = "The access policy id.", required = true) @PathParam("id") final String id,
@ApiParam(value = "The access policy configuration details.", required = true)
final AccessPolicyEntity accessPolicyEntity) {
if (accessPolicyEntity == null || accessPolicyEntity.getComponent() == null) {
throw new IllegalArgumentException("Access policy details must be specified.");
}
if (accessPolicyEntity.getRevision() == null) {
throw new IllegalArgumentException("Revision must be specified.");
}
// ensure the ids are the same
final AccessPolicyDTO accessPolicyDTO = accessPolicyEntity.getComponent();
if (!id.equals(accessPolicyDTO.getId())) {
throw new IllegalArgumentException(
String.format(
"The access policy id (%s) in the request body does not equal the "
+ "access policy id of the requested resource (%s).",
accessPolicyDTO.getId(), id));
}
if (isReplicateRequest()) {
return replicate(HttpMethod.PUT, accessPolicyEntity);
}
// Extract the revision
final Revision revision = getRevision(accessPolicyEntity, id);
return withWriteLock(
serviceFacade,
revision,
lookup -> {
Authorizable authorizable = lookup.getAccessPolicyById(id);
authorizable.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
},
null,
() -> {
// update the access policy
final AccessPolicyEntity entity =
serviceFacade.updateAccessPolicy(revision, accessPolicyDTO);
populateRemainingAccessPolicyEntityContent(entity);
return clusterContext(generateOkResponse(entity)).build();
});
}
/**
* Creates a new access policy.
*
* @param httpServletRequest request
* @param accessPolicyEntity An accessPolicyEntity.
* @return An accessPolicyEntity.
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
// TODO - @PreAuthorize("hasRole('ROLE_DFM')")
@ApiOperation(
value = "Creates an access policy",
response = AccessPolicyEntity.class,
authorizations = {@Authorization(value = "Data Flow Manager", type = "ROLE_DFM")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response createAccessPolicy(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(value = "The access policy configuration details.", required = true)
final AccessPolicyEntity accessPolicyEntity) {
if (accessPolicyEntity == null || accessPolicyEntity.getComponent() == null) {
throw new IllegalArgumentException("Access policy details must be specified.");
}
if (accessPolicyEntity.getRevision() == null
|| (accessPolicyEntity.getRevision().getVersion() == null
|| accessPolicyEntity.getRevision().getVersion() != 0)) {
throw new IllegalArgumentException(
"A revision of 0 must be specified when creating a new Policy.");
}
final AccessPolicyDTO requestAccessPolicy = accessPolicyEntity.getComponent();
if (requestAccessPolicy.getId() != null) {
throw new IllegalArgumentException("Access policy ID cannot be specified.");
}
if (requestAccessPolicy.getResource() == null) {
throw new IllegalArgumentException("Access policy resource must be specified.");
}
// ensure this is a valid action
RequestAction.valueOfValue(requestAccessPolicy.getAction());
if (isReplicateRequest()) {
return replicate(HttpMethod.POST, accessPolicyEntity);
}
// handle expects request (usually from the cluster manager)
final boolean validationPhase = isValidationPhase(httpServletRequest);
if (validationPhase || !isTwoPhaseRequest(httpServletRequest)) {
// authorize access
serviceFacade.authorizeAccess(
lookup -> {
final Authorizable accessPolicies =
lookup.getAccessPolicyByResource(requestAccessPolicy.getResource());
accessPolicies.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
});
}
if (validationPhase) {
return generateContinueResponse().build();
}
// set the access policy id as appropriate
requestAccessPolicy.setId(generateUuid());
// get revision from the config
final RevisionDTO revisionDTO = accessPolicyEntity.getRevision();
Revision revision =
new Revision(
revisionDTO.getVersion(),
revisionDTO.getClientId(),
accessPolicyEntity.getComponent().getId());
// create the access policy and generate the json
final AccessPolicyEntity entity =
serviceFacade.createAccessPolicy(revision, accessPolicyEntity.getComponent());
populateRemainingAccessPolicyEntityContent(entity);
// build the response
return clusterContext(generateCreatedResponse(URI.create(entity.getUri()), entity)).build();
}
/**
* Updates the specified output port.
*
* @param httpServletRequest request
* @param id The id of the output port to update.
* @param requestPortEntity A outputPortEntity.
* @return A outputPortEntity.
*/
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(
value = "Updates an output port",
response = PortEntity.class,
authorizations = {@Authorization(value = "Write - /output-ports/{uuid}", type = "")})
@ApiResponses(
value = {
@ApiResponse(
code = 400,
message =
"NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@ApiResponse(code = 401, message = "Client could not be authenticated."),
@ApiResponse(code = 403, message = "Client is not authorized to make this request."),
@ApiResponse(code = 404, message = "The specified resource could not be found."),
@ApiResponse(
code = 409,
message =
"The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
})
public Response updateOutputPort(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(value = "The output port id.", required = true) @PathParam("id") final String id,
@ApiParam(value = "The output port configuration details.", required = true)
final PortEntity requestPortEntity) {
if (requestPortEntity == null || requestPortEntity.getComponent() == null) {
throw new IllegalArgumentException("Output port details must be specified.");
}
if (requestPortEntity.getRevision() == null) {
throw new IllegalArgumentException("Revision must be specified.");
}
// ensure the ids are the same
PortDTO requestPortDTO = requestPortEntity.getComponent();
if (!id.equals(requestPortDTO.getId())) {
throw new IllegalArgumentException(
String.format(
"The output port id (%s) in the request body does not equal the "
+ "output port id of the requested resource (%s).",
requestPortDTO.getId(), id));
}
final PositionDTO proposedPosition = requestPortDTO.getPosition();
if (proposedPosition != null) {
if (proposedPosition.getX() == null || proposedPosition.getY() == null) {
throw new IllegalArgumentException(
"The x and y coordinate of the proposed position must be specified.");
}
}
if (isReplicateRequest()) {
return replicate(HttpMethod.PUT, requestPortEntity);
}
// handle expects request (usually from the cluster manager)
final Revision requestRevision = getRevision(requestPortEntity, id);
return withWriteLock(
serviceFacade,
requestPortEntity,
requestRevision,
lookup -> {
Authorizable authorizable = lookup.getOutputPort(id);
authorizable.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
},
() -> serviceFacade.verifyUpdateOutputPort(requestPortDTO),
(revision, portEntity) -> {
final PortDTO portDTO = portEntity.getComponent();
// update the output port
final PortEntity entity = serviceFacade.updateOutputPort(revision, portDTO);
populateRemainingOutputPortEntityContent(entity);
return clusterContext(generateOkResponse(entity)).build();
});
}
