gresockj commented on a change in pull request #5670: URL: https://github.com/apache/nifi/pull/5670#discussion_r788074447
########## File path: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/filter/RestApiRequestFilterProvider.java ########## @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.nifi.web.server.filter; + +import org.apache.nifi.util.NiFiProperties; +import org.eclipse.jetty.servlet.FilterHolder; +import org.eclipse.jetty.servlets.DoSFilter; + +import java.util.List; + +/** + * Request Filter Provider for REST API Web Application + */ +public class RestApiRequestFilterProvider extends StandardRequestFilterProvider { + public static final String RELATIVE_PATH_ACCESS_TOKEN = "/access/token"; + + private static final int DOS_FILTER_REJECT_REQUEST = -1; + + /** + * Get Filters using provided NiFi Properties and append filters for Access Token Requests + * + * @param properties NiFi Properties required + * @return List of Filter Holders + */ + @Override + public List<FilterHolder> getFilters(final NiFiProperties properties) { + final List<FilterHolder> filters = super.getFilters(properties); + + final FilterHolder accessTokenDenialOfServiceFilter = getAccessTokenDenialOfServiceFilter(properties); + filters.add(accessTokenDenialOfServiceFilter); + + return filters; + } + + private FilterHolder getAccessTokenDenialOfServiceFilter(final NiFiProperties properties) { + final FilterHolder filter = getDenialOfServiceFilter(properties, DoSFilter.class); + + final int maxWebAccessTokenRequestsPerSecond = properties.getMaxWebAccessTokenRequestsPerSecond(); + filter.setInitParameter("maxRequestsPerSec", Integer.toString(maxWebAccessTokenRequestsPerSecond)); Review comment: Ah, got it. Thanks! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
