bzablocki commented on code in PR #31542: URL: https://github.com/apache/beam/pull/31542#discussion_r1668228957
########## sdks/java/io/solace/src/main/java/org/apache/beam/sdk/io/solace/broker/SempBasicAuthClientExecutor.java: ########## @@ -0,0 +1,171 @@ +/* + * 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.beam.sdk.io.solace.broker; + +import com.google.api.client.http.GenericUrl; +import com.google.api.client.http.HttpContent; +import com.google.api.client.http.HttpHeaders; +import com.google.api.client.http.HttpRequest; +import com.google.api.client.http.HttpRequestFactory; +import com.google.api.client.http.HttpResponse; +import com.google.api.client.http.HttpResponseException; +import com.google.api.client.http.json.JsonHttpContent; +import com.google.api.client.json.gson.GsonFactory; +import java.io.IOException; +import java.io.Serializable; +import java.net.CookieManager; +import java.net.HttpCookie; +import java.util.List; +import java.util.stream.Collectors; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableMap; + +/** + * A class to execute requests to SEMP v2 with Basic Auth authentication. + * + * <p>This approach takes advantage of <a + * href="https://docs.solace.com/Admin/SEMP/SEMP-Security.htm#Sessions";>SEMP Sessions</a>. The + * session is established when a user authenticates with HTTP Basic authentication. When the + * response is 401 Unauthorized, the client will execute an additional request with Basic Auth + * header to refresh the token. + */ +class SempBasicAuthClientExecutor implements Serializable { + private static final CookieManager COOKIE_MANAGER = new CookieManager(); + private static final String COOKIES_HEADER = "Set-Cookie"; + + private final String username; + private final String messageVpn; + private final String baseUrl; + private final String password; + private final transient HttpRequestFactory requestFactory; + + SempBasicAuthClientExecutor( + String host, + String username, + String password, + String vpnName, + HttpRequestFactory httpRequestFactory) { + this.baseUrl = String.format("%s/SEMP/v2", host); + this.username = username; + this.messageVpn = vpnName; + this.password = password; + this.requestFactory = httpRequestFactory; + } + + private static String getQueueEndpoint(String messageVpn, String queueName) { + return String.format("/monitor/msgVpns/%s/queues/%s", messageVpn, queueName); + } + + private static String createQueueEndpoint(String messageVpn) { + return String.format("/config/msgVpns/%s/queues", messageVpn); + } + + private static String subscriptionEndpoint(String messageVpn, String queueName) { + return String.format("/config/msgVpns/%s/queues/%s/subscriptions", messageVpn, queueName); + } + + BrokerResponse getQueueResponse(String queueName) throws IOException { + String queryUrl = getQueueEndpoint(messageVpn, queueName); + HttpResponse response = executeGet(new GenericUrl(baseUrl + queryUrl)); + return BrokerResponse.fromHttpResponse(response); + } + + BrokerResponse createQueueResponse(String queueName) throws IOException { + String queryUrl = createQueueEndpoint(messageVpn); + ImmutableMap<String, Object> params = + ImmutableMap.<String, Object>builder() + .put("accessType", "non-exclusive") + .put("queueName", queueName) + .put("owner", username) + .put("permission", "consume") + .put("ingressEnabled", true) + .put("egressEnabled", true) + .build(); + + HttpResponse response = executePost(new GenericUrl(baseUrl + queryUrl), params); + return BrokerResponse.fromHttpResponse(response); + } + + BrokerResponse createSubscriptionResponse(String queueName, String topicName) throws IOException { + String queryUrl = subscriptionEndpoint(messageVpn, queueName); + + ImmutableMap<String, Object> params = + ImmutableMap.<String, Object>builder() + .put("subscriptionTopic", topicName) + .put("queueName", queueName) + .build(); + HttpResponse response = executePost(new GenericUrl(baseUrl + queryUrl), params); + return BrokerResponse.fromHttpResponse(response); + } + + private HttpResponse executeGet(GenericUrl url) throws IOException { + HttpRequest request = requestFactory.buildGetRequest(url); + return execute(request); + } + + private HttpResponse executePost(GenericUrl url, ImmutableMap<String, Object> parameters) + throws IOException { + HttpContent content = new JsonHttpContent(GsonFactory.getDefaultInstance(), parameters); + HttpRequest request = requestFactory.buildPostRequest(url, content); + return execute(request); + } + + private HttpResponse execute(HttpRequest request) throws IOException { + request.setNumberOfRetries(2); Review Comment: I extracted the variable and added a comment. -- This is an automated message from the Apache Git Service. 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