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/*
* ============LICENSE_START=======================================================
* org.onap.dcae
* ================================================================================
* Copyright (c) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.platform.mod.util;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import org.onap.dcaegen2.platform.mod.model.exceptions.policymodel.PolicyModelDistributionEnvNotFoundException;
import org.onap.dcaegen2.platform.mod.model.policymodel.EnvInfo;
import org.onap.dcaegen2.platform.mod.model.policymodel.PolicyModelDistributionEnv;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.function.client.ExchangeFilterFunctions;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.netty.http.client.HttpClient;
import javax.annotation.PostConstruct;
import javax.net.ssl.SSLException;
import java.util.HashMap;
import java.util.Map;
/**
* Policy Model Service Utils to get URL, Username, Password, Webclient
*/
@Component
public class PolicyModelUtils {
@Value("${url.path}")
private String urlpath;
@Value("${dev.server}")
private String devServer;
@Value("${dev.port}")
private String devServerPort;
@Value("${dev.user}")
private String devServerUser;
@Value("${dev.password}")
private String devServerUserPassword;
@Value("${pst.server}")
private String pstServer;
@Value("${pst.port}")
private String pstServerPort;
@Value("${pst.user}")
private String pstServerUser;
@Value("${pst.password}")
private String pstServerUserPassword;
@Value("${ete.server}")
private String eteServer;
@Value("${ete.port}")
private String eteServerPort;
@Value("${ete.user}")
private String eteServerUser;
@Value("${ete.password}")
private String eteServerUserPassword;
@Value("${prod.server}")
private String prodServer;
@Value("${prod.port}")
private String prodServerPort;
@Value("${prod.user}")
private String prodServerUser;
@Value("${prod.password}")
private String prodServerUserPassword;
Map<String, EnvInfo> envMap;
/**
* Creates a Policy Model Distribution Engine URL for the Environment requested
*/
@PostConstruct
public void init() {
envMap = new HashMap<>();
envMap.put(PolicyModelDistributionEnv.DEV.name(), EnvInfo.builder().url("https://"+ devServer + ":" + devServerPort + urlpath).username(devServerUser).password(devServerUserPassword).build());
envMap.put(PolicyModelDistributionEnv.PST.name(), EnvInfo.builder().url("https://"+ pstServer + ":" + pstServerPort + urlpath).username(pstServerUser).password(pstServerUserPassword).build());
envMap.put(PolicyModelDistributionEnv.ETE.name(), EnvInfo.builder().url("https://"+ eteServer + ":" + eteServerPort + urlpath).username(eteServerUser).password(eteServerUserPassword).build());
envMap.put(PolicyModelDistributionEnv.PROD.name(), EnvInfo.builder().url("https://"+ prodServer + ":" + prodServerPort + urlpath).username(prodServerUser).password(prodServerUserPassword).build());
}
/**
* Generates a Policy Model Distribution Engine URL for the Environment
*
* @param env
* @return
*/
public String getPolicyEngineURL(String env) {
if(!envMap.containsKey(env)) throw new PolicyModelDistributionEnvNotFoundException(String.format("Policy Model Environment with env %s invalid", env));
return envMap.get(env).getUrl();
}
/**
* Generates a Policy Model Distribution Engine UserName for the Environment
*
* @param env
* @return
*/
public String getUserName(String env) {
if(!envMap.containsKey(env)) throw new PolicyModelDistributionEnvNotFoundException(String.format("Policy Model Environment with env %s invalid", env));
return envMap.get(env).getUsername();
}
/**
* Generates a Policy Model Distribution Engine Password for the Environment
*
* @param env
* @return
*/
public String getPassword(String env) {
if(!envMap.containsKey(env)) throw new PolicyModelDistributionEnvNotFoundException(String.format("Policy Model Environment with env %s invalid", env));
return envMap.get(env).getPassword();
}
/**
* Generates a Policy Model Distribution Engine Webclient for the Environment
*
* @param env
* @return
*/
public WebClient getWebClient(String env) throws SSLException {
String userName = getUserName(env);
String password = getPassword(env);
SslContext sslContext = SslContextBuilder.forClient()
.trustManager(InsecureTrustManagerFactory.INSTANCE)
.build();
HttpClient httpClient = HttpClient.create().secure(t -> t.sslContext(sslContext));
return WebClient.builder().clientConnector(new ReactorClientHttpConnector(httpClient))
.defaultHeader(HttpHeaders.CONTENT_TYPE, "application/yaml")
.filter(ExchangeFilterFunctions.basicAuthentication(userName, password))
.build();
}
}
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