moved to 2.5.0-SNAPSHOT. Starting activity #20993
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package org.gcube.datatransfer.resolver.services;
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import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
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import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
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import java.util.Collection;
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import java.util.List;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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import javax.ws.rs.WebApplicationException;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.Response;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.encryption.StringEncrypter;
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import org.gcube.common.resources.gcore.ServiceEndpoint;
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import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
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import org.gcube.common.resources.gcore.ServiceEndpoint.Property;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.datatransfer.resolver.requesthandler.RequestHandler;
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import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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// TODO: Auto-generated Javadoc
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/**
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* The Class WekeoResolver.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Mar 30, 2021
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*/
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@Path("wekeo")
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public class WekeoResolver {
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private static Logger logger = LoggerFactory.getLogger(WekeoResolver.class);
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private final static String RUNTIME_WKEO_RESOURCE_NAME = "WekeoDataBroker";
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private final static String CATEGORY_WEKEO_TYPE = "OnlineService";
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private static String helpURI = "https://wiki.gcube-system.org/gcube/URI_Resolver#Wekeo_Resolver";
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/**
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* Gets the token.
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*
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* @param req the req
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* @return the token
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* @throws WebApplicationException the web application exception
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*/
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@GET
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@Path("/gettoken")
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public Response getToken(@Context HttpServletRequest req) throws WebApplicationException{
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logger.info(this.getClass().getSimpleName()+" getToken starts...");
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String wekeoToken = "";
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try {
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String contextToken = SecurityTokenProvider.instance.get();
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String scope = ScopeProvider.instance.get();
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logger.info("ScopeProvider has scope: "+scope);
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String appToken = req.getServletContext().getInitParameter(RequestHandler.ROOT_APP_TOKEN);
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if(contextToken.compareTo(appToken)==0){
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logger.error("Token not passed, SecurityTokenProvider contains the root app token: "+appToken.substring(0,10)+"...");
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throw ExceptionManager.unauthorizedException(req, "You are not authorized. You must pass a token of VRE", this.getClass(), helpURI);
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}
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List<ServiceEndpoint> endPoints = getConfigurationFromIS();
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if(endPoints==null || endPoints.size()==0) {
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String error = String.format("Missing the RR with Name '%s' and Category '%s' in the scope '%s'. Please contact the support.",RUNTIME_WKEO_RESOURCE_NAME,CATEGORY_WEKEO_TYPE,scope);
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throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
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}
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String wekeoEndPoint = readWekeoServiceEndpoint(req, scope);
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return Response.ok(wekeoToken).build();
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}catch (Exception e) {
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//ALREADY MANAGED AS WebApplicationException
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logger.error("Exception:", e);
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throw (WebApplicationException) e;
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}
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}
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/**
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* Retrieve the wekeo endpoint information from IS.
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*
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* @return list of endpoints for ckan database
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* @throws Exception the exception
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*/
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private static List<ServiceEndpoint> getConfigurationFromIS() throws Exception{
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_WKEO_RESOURCE_NAME +"'");
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query.addCondition("$resource/Profile/Cateogory/Name/text() eq '"+ CATEGORY_WEKEO_TYPE +"'");
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> toReturn = client.submit(query);
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return toReturn;
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}
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/**
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* Reads the wekeo endpoint information from IS. {The SE name is: @link WekeoResolver#RUNTIME_WKEO_RESOURCE_NAME}
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*
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* @param req the req
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* @param scope the scope
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* @return the string
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*/
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private static String readWekeoServiceEndpoint(HttpServletRequest req, String scope){
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String callerScope = null;
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String gCubeAppToken = null;
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try{
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callerScope = ScopeProvider.instance.get();
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ScopeProvider.instance.set(scope);
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logger.info("Searching SE "+RUNTIME_WKEO_RESOURCE_NAME+" configurations in the scope: "+ScopeProvider.instance.get());
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_WKEO_RESOURCE_NAME +"'");
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query.addCondition("$resource/Profile/Category/text() eq '"+ CATEGORY_WEKEO_TYPE +"'");
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> toReturn = client.submit(query);
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logger.info("The query returned "+toReturn.size()+ " ServiceEndpoint/s");
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if(toReturn.size()==0){
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String errorMessage = String.format("Missing the RR with Name '%s' and Category '%s' in the scope '%s'. Please contact the support.",RUNTIME_WKEO_RESOURCE_NAME,CATEGORY_WEKEO_TYPE,ScopeProvider.instance.get());
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logger.error(errorMessage);
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throw ExceptionManager.internalErrorException(req, errorMessage, AnalyticsCreateResolver.class, helpURI);
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}
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ServiceEndpoint se = toReturn.get(0);
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Collection<AccessPoint> theAccessPoints = se.profile().accessPoints().asCollection();
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for (AccessPoint accessPoint : theAccessPoints) {
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Collection<Property> properties = accessPoint.properties().asCollection();
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for (Property property : properties) {
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// if(property.name().equalsIgnoreCase(GCUBE_TOKEN)){
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// logger.info("gcube-token as property was found, returning it");
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// gCubeAppToken = property.value();
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// break;
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// }
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}
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if(gCubeAppToken!=null)
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break;
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}
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if(gCubeAppToken!=null){
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String decryptedPassword = StringEncrypter.getEncrypter().decrypt(gCubeAppToken);
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logger.info("Returning decrypted Application Token registered into "+RUNTIME_WKEO_RESOURCE_NAME +" SE: "+decryptedPassword.substring(0,decryptedPassword.length()/2)+"....");
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return decryptedPassword;
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}
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return null;
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//
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// String errorMessage = "No "+GCUBE_TOKEN+" as Property saved in the "+RUNTIME_WKEO_RESOURCE_NAME+" SE registered in the scope: "+ScopeProvider.instance.get();
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// logger.error(errorMessage);
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// throw ExceptionManager.internalErrorException(req, errorMessage, AnalyticsCreateResolver.class, helpURI);
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}catch(Exception e){
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String errorMessage = "Error occurred on reading the "+RUNTIME_WKEO_RESOURCE_NAME+" SE registered in the scope: "+ScopeProvider.instance.get();
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logger.error(errorMessage, e);
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throw ExceptionManager.internalErrorException(req, errorMessage, AnalyticsCreateResolver.class, helpURI);
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}finally{
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if(callerScope!=null){
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logger.info("Setting to the callerScope scope: "+callerScope);
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ScopeProvider.instance.set(callerScope);
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}else{
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logger.info("Reset scope");
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ScopeProvider.instance.reset();
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}
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}
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}
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}
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