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Micro Distribution of the Payara Project for IBM JDK
/*
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*
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// Portions Copyright [2016] [Payara Foundation]
package org.glassfish.admin.rest.utils;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.Map;
import java.util.Properties;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.admin.rest.client.utils.MarshallingUtils;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.SecureAdmin;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.security.ssl.SSLUtils;
import javax.ws.rs.client.Invocation.Builder;
/**
* @author Mitesh Meswani
*/
public abstract class ProxyImpl implements Proxy {
@Override
public Properties proxyRequest(UriInfo sourceUriInfo, Client client, ServiceLocator habitat) {
Properties proxiedResponse = new Properties();
try {
Domain domain = habitat.getService(Domain.class);
String forwardInstanceName = extractTargetInstanceName(sourceUriInfo);
Server forwardInstance = domain.getServerNamed(forwardInstanceName);
if (forwardInstance != null) {
UriBuilder forwardUriBuilder = constructForwardURLPath(sourceUriInfo);
URI forwardURI = forwardUriBuilder.scheme("https").host(forwardInstance.getAdminHost()).port(forwardInstance.getAdminPort()).build(); //Host and Port are replaced to that of forwardInstanceName
client = addAuthenticationInfo(client, forwardInstance, habitat);
WebTarget resourceBuilder = client.target(forwardURI);
SecureAdmin secureAdmin = habitat.getService(SecureAdmin.class);
Builder builder = resourceBuilder.request(MediaType.APPLICATION_JSON).header(SecureAdmin.Util.ADMIN_INDICATOR_HEADER_NAME, secureAdmin.getSpecialAdminIndicator());
Response response = builder.get(Response.class); //TODO if the target server is down, we get ClientResponseException. Need to handle it
Response.Status status = Response.Status.fromStatusCode(response.getStatus());
if (status.getFamily() == javax.ws.rs.core.Response.Status.Family.SUCCESSFUL) {
String jsonDoc = response.readEntity(String.class);
Map responseMap = MarshallingUtils.buildMapFromDocument(jsonDoc);
Map resultExtraProperties = (Map) responseMap.get("extraProperties");
if (resultExtraProperties != null) {
Object entity = resultExtraProperties.get("entity");
if(entity != null) {
proxiedResponse.put("entity", entity);
}
@SuppressWarnings({"unchecked"}) Map childResources = (Map) resultExtraProperties.get("childResources");
for (Map.Entry entry : childResources.entrySet()) {
String targetURL = null;
try {
URL originalURL = new URL(entry.getValue());
//Construct targetURL which has host+port of DAS and path from originalURL
targetURL = constructTargetURLPath(sourceUriInfo, originalURL).build().toASCIIString();
} catch (MalformedURLException e) {
//TODO There was an exception while parsing URL. Need to decide what to do. For now ignore the child entry
}
entry.setValue(targetURL);
}
proxiedResponse.put("childResources", childResources);
}
Object message = responseMap.get("message");
if(message != null) {
proxiedResponse.put("message", message);
}
Object properties = responseMap.get("properties");
if(properties != null) {
proxiedResponse.put("properties", properties);
}
} else {
throw new WebApplicationException(response.readEntity(String.class), status);
}
} else { // server == null
// TODO error to user. Can not locate server for whom data is being looked for
}
} catch (Exception ex) {
throw new WebApplicationException(ex, Response.Status.INTERNAL_SERVER_ERROR);
}
return proxiedResponse;
}
/**
* Use SSL to authenticate
*/
private Client addAuthenticationInfo(Client client, Server server, ServiceLocator habitat) {
SecureAdmin secureAdmin = habitat.getService(SecureAdmin.class);
// TODO need to get hardcoded "TLS" from corresponding ServerRemoteAdminCommand constant);
final SSLContext sslContext = habitat
.getService(SSLUtils.class)
.getAdminSSLContext(SecureAdmin.Util.DASAlias(secureAdmin), "TLS");
// Instruct Jersey to use HostNameVerifier and SSLContext provided by us.
final ClientBuilder clientBuilder = ClientBuilder.newBuilder()
.withConfig(client.getConfiguration())
.hostnameVerifier(new BasicHostnameVerifier(server.getAdminHost()))
.sslContext(sslContext);
return clientBuilder.build();
}
/**
* TODO copied from HttpConnectorAddress. Need to refactor code there to reuse
*/
private static class BasicHostnameVerifier implements HostnameVerifier {
private final String host;
public BasicHostnameVerifier(String host) {
if (host == null)
throw new IllegalArgumentException("null host");
this.host = host;
}
public boolean verify(String s, SSLSession sslSession) {
return host.equals(s);
}
}
}
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