| /* |
| * 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.servicecomb.serviceregistry.client.http; |
| |
| import java.io.ByteArrayInputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.servicecomb.foundation.auth.AuthHeaderProvider; |
| import org.apache.servicecomb.foundation.auth.SignRequest; |
| import org.apache.servicecomb.foundation.common.net.IpPort; |
| import org.apache.servicecomb.foundation.vertx.client.http.HttpClientWithContext; |
| import org.apache.servicecomb.serviceregistry.config.ServiceRegistryConfig; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.vertx.core.Handler; |
| import io.vertx.core.MultiMap; |
| import io.vertx.core.buffer.Buffer; |
| import io.vertx.core.http.HttpMethod; |
| import io.vertx.core.http.WebSocketConnectOptions; |
| |
| public final class WebsocketClientUtil { |
| private static final Logger LOGGER = LoggerFactory.getLogger(WebsocketClientUtil.class); |
| |
| private final WebsocketClientPool websocketClientPool; |
| |
| private final List<AuthHeaderProvider> authHeaderProviders; |
| |
| WebsocketClientUtil(ServiceRegistryConfig serviceRegistryConfig) { |
| websocketClientPool = new WebsocketClientPool(serviceRegistryConfig.getWatchClientName()); |
| authHeaderProviders = serviceRegistryConfig.getAuthHeaderProviders(); |
| } |
| |
| public void open(IpPort ipPort, String url, Handler<Void> onOpen, Handler<Void> onClose, |
| Handler<Buffer> onMessage, Handler<Throwable> onException, |
| Handler<Throwable> onConnectFailed) { |
| HttpClientWithContext vertxHttpClient = websocketClientPool.getClient(); |
| vertxHttpClient.runOnContext(client -> { |
| WebSocketConnectOptions options = new WebSocketConnectOptions(); |
| options.setHost(ipPort.getHostOrIp()).setPort(ipPort.getPort()).setURI(url) |
| .setHeaders(getDefaultHeaders().addAll(getSignAuthHeaders( |
| createSignRequest(HttpMethod.GET.name(), ipPort, new RequestParam(), url, new HashMap<>())))); |
| client.webSocket(options, asyncResult -> { |
| if (asyncResult.failed()) { |
| onConnectFailed.handle(asyncResult.cause()); |
| } else { |
| onOpen.handle(null); |
| asyncResult.result().exceptionHandler(v -> { |
| onException.handle(v); |
| try { |
| asyncResult.result().close(); |
| } catch (Exception err) { |
| LOGGER.error("ws close error.", err); |
| } |
| }); |
| asyncResult.result().closeHandler(onClose::handle); |
| asyncResult.result().pongHandler(pong -> { |
| // ignore, just prevent NPE. |
| }); |
| asyncResult.result().frameHandler((frame) -> { |
| if (frame.isBinary() || frame.isText()) { |
| onMessage.handle(frame.binaryData()); |
| } |
| } |
| ); |
| } |
| }); |
| }); |
| } |
| |
| public MultiMap getDefaultHeaders() { |
| return MultiMap.caseInsensitiveMultiMap().addAll(defaultHeaders()); |
| } |
| |
| private Map<String, String> defaultHeaders() { |
| Map<String, String> headers = new HashMap<>(); |
| headers.put(RestClientUtil.HEADER_CONTENT_TYPE, "application/json"); |
| headers.put(RestClientUtil.HEADER_USER_AGENT, "cse-serviceregistry-client/1.0.0"); |
| headers.put(RestClientUtil.HEADER_TENANT_NAME, ServiceRegistryConfig.INSTANCE.getTenantName()); |
| |
| return headers; |
| } |
| |
| public Map<String, String> getSignAuthHeaders(SignRequest signReq) { |
| Map<String, String> headers = new HashMap<>(); |
| authHeaderProviders.forEach(provider -> headers.putAll(provider.getSignAuthHeaders(signReq))); |
| return headers; |
| } |
| |
| public SignRequest createSignRequest(String method, IpPort ipPort, RequestParam requestParam, String url, |
| Map<String, String> headers) { |
| SignRequest signReq = new SignRequest(); |
| StringBuilder endpoint = new StringBuilder("https://" + ipPort.getHostOrIp()); |
| endpoint.append(":" + ipPort.getPort()); |
| endpoint.append(url); |
| try { |
| signReq.setEndpoint(new URI(endpoint.toString())); |
| } catch (URISyntaxException e) { |
| LOGGER.error("set uri failed, uri is {}, message: {}", endpoint, e.getMessage()); |
| } |
| signReq.setContent((requestParam.getBody() != null && requestParam.getBody().length > 0) |
| ? new ByteArrayInputStream(requestParam.getBody()) |
| : null); |
| signReq.setHeaders(headers); |
| signReq.setHttpMethod(method); |
| signReq.setQueryParams(requestParam.getQueryParamsMap()); |
| return signReq; |
| } |
| } |