122 lines
4.4 KiB
Java
122 lines
4.4 KiB
Java
package org.gcube.informationsystem.publisher.stubs.registry;
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import java.io.BufferedOutputStream;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import javax.net.ssl.HttpsURLConnection;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.CreateException;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.InvalidResourceException;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.RemoveException;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.ResourceDoesNotExistException;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.ResourceNotAcceptedException;
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import org.gcube.informationsystem.publisher.stubs.registry.faults.UpdateException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class CollectorStubs implements RegistryStub {
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private static Logger log = LoggerFactory.getLogger(CollectorStubs.class);
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public static final String TOKEN_HEADER_ENTRY = "gcube-token";
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public static final String SCOPE_HEADER_ENTRY = "gcube-scope";
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private String endopoint;
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public CollectorStubs(String endopoint) {
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super();
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this.endopoint = endopoint;
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}
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@Override
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public void create(String profile, String type)
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throws InvalidResourceException, ResourceNotAcceptedException, CreateException {
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StringBuilder callUrl = new StringBuilder(endopoint).append("/").append(type);
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try {
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "POST");
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connection.setDoOutput(true);
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connection.setRequestProperty("Content-type", "text/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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os.write(profile.getBytes());
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}
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if (connection.getResponseCode()!=200) throw new CreateException("error creating resource "+connection.getResponseCode());
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}catch (Exception e) {
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log.error("error on create",e);
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throw new CreateException(e.getMessage());
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}
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}
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@Override
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public void update(String id, String type, String profile)
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throws InvalidResourceException, ResourceNotAcceptedException, UpdateException {
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StringBuilder callUrl = new StringBuilder(endopoint).append("/").append(type).append("/").append(id);
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try {
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "PUT");
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connection.setDoOutput(true);
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connection.setRequestProperty("Content-type", "text/xml");
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try(OutputStream os = new BufferedOutputStream(connection.getOutputStream())){
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os.write(profile.getBytes());
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}
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if (connection.getResponseCode()!=200) throw new UpdateException("error updating resource "+connection.getResponseCode());
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}catch (Exception e) {
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log.error("error on update",e);
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throw new UpdateException(e.getMessage());
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}
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}
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@Override
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public void remove(String id, String type) throws ResourceDoesNotExistException, RemoveException {
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StringBuilder callUrl = new StringBuilder(endopoint).append("/").append(type).append("/").append(id);
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try {
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URL url = new URL(callUrl.toString());
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HttpURLConnection connection = makeRequest(url, "DELETE");
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connection.setDoInput(true);
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if (connection.getResponseCode()!=200){
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log.info("response code is not 200");
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if (connection.getResponseCode()==404)
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throw new ResourceDoesNotExistException("resource with id "+id+" not found");
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else throw new RemoveException("generic error removing resource "+id);
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}
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}catch (ResourceDoesNotExistException | RemoveException e) {
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throw e;
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}catch (Exception e1) {
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throw new RemoveException("connection error removing resource");
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}
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}
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private HttpURLConnection makeRequest(URL url, String method) throws Exception{
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HttpURLConnection connection;
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if (url.toString().startsWith("https://"))
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connection = (HttpsURLConnection)url.openConnection();
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else connection = (HttpURLConnection)url.openConnection();
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if (ScopeProvider.instance.get()!=null)
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connection.setRequestProperty(SCOPE_HEADER_ENTRY,ScopeProvider.instance.get());
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else if (SecurityTokenProvider.instance.get()!=null)
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connection.setRequestProperty(TOKEN_HEADER_ENTRY,SecurityTokenProvider.instance.get());
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else throw new RuntimeException("Collector requires authorization (via token or scope)");
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connection.setRequestMethod(method);
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return connection;
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}
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}
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