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/*-
* ============LICENSE_START=======================================================
* policy-healthcheck
* ================================================================================
* Copyright (C) 2017 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.openecomp.policy.drools.http.client.internal;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
import org.openecomp.policy.drools.http.client.HttpClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.annotation.JsonIgnore;
public class JerseyClient implements HttpClient {
/**
* Logger
*/
private static Logger logger = LoggerFactory.getLogger(JerseyClient.class);
protected final String name;
protected final boolean https;
protected final boolean selfSignedCerts;
protected final String hostname;
protected final int port;
protected final String basePath;
protected final String userName;
protected final String password;
protected final Client client;
protected final String baseUrl;
protected boolean alive = true;
public JerseyClient(String name, boolean https,
boolean selfSignedCerts,
String hostname, int port,
String basePath, String userName,
String password)
throws Exception {
super();
if (name == null || name.isEmpty())
throw new IllegalArgumentException("Name must be provided");
if (hostname == null || hostname.isEmpty())
throw new IllegalArgumentException("Hostname must be provided");
if (port <= 0 && port >= 65535)
throw new IllegalArgumentException("Invalid Port provided: " + port);
this.name = name;
this.https = https;
this.hostname = hostname;
this.port = port;
this.basePath = basePath;
this.userName = userName;
this.password = password;
this.selfSignedCerts = selfSignedCerts;
StringBuffer tmpBaseUrl = new StringBuffer();
if (this.https) {
tmpBaseUrl.append("https://");
ClientBuilder clientBuilder;
SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
if (this.selfSignedCerts) {
sslContext.init(null, new TrustManager[]{new X509TrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}
@Override
public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[0]; }
}}, new SecureRandom());
clientBuilder = ClientBuilder.newBuilder().sslContext(sslContext).hostnameVerifier(new HostnameVerifier() {
@Override
public boolean verify(String hostname, SSLSession session) {return true;}
});
} else {
sslContext.init(null, null, null);
clientBuilder = ClientBuilder.newBuilder().sslContext(sslContext);
}
this.client = clientBuilder.build();
} else {
tmpBaseUrl.append("http://");
this.client = ClientBuilder.newClient();
}
if (this.userName != null && !this.userName.isEmpty() &&
this.password != null && !this.password.isEmpty()) {
HttpAuthenticationFeature authFeature = HttpAuthenticationFeature.basic(userName, password);
this.client.register(authFeature);
}
this.baseUrl = tmpBaseUrl.append(this.hostname).append(":").
append(this.port).append("/").
append((this.basePath == null) ? "" : this.basePath).
toString();
}
@Override
public Response get(String path) {
if (path != null && !path.isEmpty())
return this.client.target(this.baseUrl).path(path).request().get();
else
return this.client.target(this.baseUrl).request().get();
}
@Override
public Response get() {
return this.client.target(this.baseUrl).request().get();
}
@Override
public boolean start() throws IllegalStateException {
return alive;
}
@Override
public boolean stop() throws IllegalStateException {
return !alive;
}
@Override
public void shutdown() throws IllegalStateException {
synchronized(this) {
alive = false;
}
try {
this.client.close();
} catch (Exception e) {
logger.warn("{}: cannot close because of {}", this,
e.getMessage(), e);
}
}
@Override
public synchronized boolean isAlive() {
return this.alive;
}
@Override
public String getName() {
return name;
}
@Override
public boolean isHttps() {
return https;
}
@Override
public boolean isSelfSignedCerts() {
return selfSignedCerts;
}
@Override
public String getHostname() {
return hostname;
}
public int getPort() {
return port;
}
@Override
public String getBasePath() {
return basePath;
}
@Override
public String getUserName() {
return userName;
}
@JsonIgnore
@Override
public String getPassword() {
return password;
}
@Override
public String getBaseUrl() {
return baseUrl;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("JerseyClient [name=");
builder.append(name);
builder.append(", https=");
builder.append(https);
builder.append(", selfSignedCerts=");
builder.append(selfSignedCerts);
builder.append(", hostname=");
builder.append(hostname);
builder.append(", port=");
builder.append(port);
builder.append(", basePath=");
builder.append(basePath);
builder.append(", userName=");
builder.append(userName);
builder.append(", password=");
builder.append(password);
builder.append(", client=");
builder.append(client);
builder.append(", baseUrl=");
builder.append(baseUrl);
builder.append(", alive=");
builder.append(alive);
builder.append("]");
return builder.toString();
}
}
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