232 lines
9.3 KiB
Java
232 lines
9.3 KiB
Java
package org.gcube.informationsystem.icproxy.resources;
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import static org.gcube.resources.discovery.icclient.ICFactory.client;
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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.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import javax.validation.constraints.NotNull;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import lombok.extern.slf4j.Slf4j;
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import org.gcube.common.authorization.library.provider.AccessTokenProvider;
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import org.gcube.common.keycloak.model.ModelUtils;
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import org.gcube.common.resources.gcore.*;
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import org.gcube.common.resources.gcore.utils.Group;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.informationsystem.icproxy.profiles.ServiceEndpointProfile;
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import org.gcube.informationsystem.publisher.RegistryPublisher;
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import org.gcube.informationsystem.publisher.RegistryPublisherFactory;
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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.gcube.common.encryption.StringEncrypter;
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@Slf4j
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@Path("ServiceEndpoint")
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public class ServiceEndpointResource {
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public static final String DECRYPT_ROLE ="service-endpoint-key";
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public static final String CREATE_ROLE ="is-resource-create";
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@GET
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@Path("/{category}")
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@Produces(MediaType.APPLICATION_XML)
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public List<ServiceEndpoint> retrieve(@NotNull @PathParam("category") String resourceCategory) {
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log.info("ServiceEndpoint called with category {} in context {}",resourceCategory, ScopeProvider.instance.get());
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> endpoints = client.submit(getQuery(resourceCategory));
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log.debug("retrieved resources are "+endpoints.size());
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return endpoints;
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}
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@GET
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@Path("/{category}/{name}")
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@Produces(MediaType.APPLICATION_XML)
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public List<ServiceEndpoint> retrieve(@NotNull @PathParam("name") String resourceName,
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@NotNull @PathParam("category") String resourceCategory, @QueryParam("decrypt") boolean isDecrypt) {
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log.info("ServiceEndpoint called with category {} and name {} in scope {}",resourceCategory, resourceName, ScopeProvider.instance.get());
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DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
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List<ServiceEndpoint> endpoints = client.submit(getQuery(resourceName, resourceCategory));
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if(Objects.nonNull(endpoints)) {
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log.debug("retrieved resources are "+endpoints.size());
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return getServiceEndpoints(isDecrypt, endpoints);
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}else{
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log.error("ServiceEndpoint called with category {} and name {} in scope {}, return NULL",resourceCategory, resourceName, ScopeProvider.instance.get());
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return null;
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}
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}
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@GET
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@Path("/{category}/{name}/Result/{result:([^$\\?]+)}")
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@Produces(MediaType.TEXT_XML)
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public String retrieveCustom(@NotNull @PathParam("name") String resourceName,
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@NotNull @PathParam("category") String resourceCategory, @NotNull @PathParam("result") String resultXPath) {
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log.info("ServiceEndpoint called with category {} and name {} and result {} in scope {}"
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,resourceCategory, resourceName, resultXPath, ScopeProvider.instance.get());
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SimpleQuery query = getQuery(resourceName, resourceCategory);
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if (resultXPath.startsWith("/"))
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query.setResult("$resource"+resultXPath);
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else
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query.setResult("$resource/"+resultXPath);
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DiscoveryClient<String> client = client();
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List<String> endpoints = client.submit(query);
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StringBuilder builder = new StringBuilder("<Results>");
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for (String single: endpoints)
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builder.append("<Result>").append(single.replaceAll("\n", "")).append("</Result>");
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builder.append("</Results>");
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log.debug("retrieved resources are "+endpoints.size());
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return builder.toString();
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}
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/**
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* Used for creating a new ServiceEndpoint resource starting from a XML resource as input param
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* @param resourceProfile a complete ServiceEndpoint resource in XML
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* @return the resource id
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*/
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@POST
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@Produces(MediaType.TEXT_PLAIN)
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@Consumes(MediaType.APPLICATION_XML)
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public String create(ServiceEndpoint resourceProfile) {
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log.debug("Try to create new serviceEndpoint profile {} in {}",resourceProfile, ScopeProvider.instance.get());
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if (Objects.nonNull(resourceProfile) && isRoleEnabled(CREATE_ROLE)){
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log.debug("going to encrypt and push");
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String id=registerSE(encryptResource(resourceProfile));
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log.debug("pushed on IS");
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return id;
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}else{
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throw new RuntimeException("ServiceEndpoint profile is null or user not enabled");
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}
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}
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/**
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* Used for creating a new ServiceEndpoint resource starting from a simplified JSON resource
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* @param resourceProfile a simplified JSON resource defined by ServiceEndpointProfile class
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* @return the new resource created in XML format
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*/
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@POST
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@Produces(MediaType.APPLICATION_XML)
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@Consumes(MediaType.APPLICATION_JSON)
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public ServiceEndpoint create(ServiceEndpointProfile resourceProfile) {
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log.debug("Try to create new serviceEndpoint profile {} in {}",resourceProfile, ScopeProvider.instance.get());
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if (Objects.nonNull(resourceProfile) && isRoleEnabled(CREATE_ROLE)){
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ServiceEndpoint newResource= new ServiceEndpoint();
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ServiceEndpoint.Profile profile=newResource.newProfile().category(resourceProfile.getCategory()).name(resourceProfile.getName());
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profile.newPlatform().name(resourceProfile.getPlatform()).version((short)1).minorVersion((short)0).revisionVersion((short)0).buildVersion((short)0);
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profile.newRuntime().hostedOn(resourceProfile.getHost()).status("ready").ghnId("");
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ServiceEndpoint.AccessPoint ap=new ServiceEndpoint.AccessPoint();
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ap.name(resourceProfile.getAccessPointName());
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ap.address(resourceProfile.getAccessPointAddress());
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ap.credentials(resourceProfile.getAccessPointPass(), resourceProfile.getAccessPointUsername());
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profile.accessPoints().add(ap);
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log.debug("going to encrypt and push");
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registerSE(encryptResource(newResource));
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log.debug("pushed on IS");
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return newResource;
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}else{
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throw new RuntimeException("ServiceEndpoint profile is null or user not enabled");
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}
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}
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private SimpleQuery getQuery(String resourceName, String resourceCategory){
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition(String.format("$resource/Profile/Name/text() eq '%s'",resourceName));
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query.addCondition(String.format("$resource/Profile/Category/text() eq '%s'",resourceCategory));
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return query;
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}
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private SimpleQuery getQuery(String resourceCategory){
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SimpleQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition(String.format("$resource/Profile/Category/text() eq '%s'",resourceCategory));
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return query;
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}
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private ServiceEndpoint decryptResource(ServiceEndpoint resource) {
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log.debug("encrypting serviceEndpoint {} ", resource.id());
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Group<ServiceEndpoint.AccessPoint> aps=resource.profile().accessPoints();
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for (ServiceEndpoint.AccessPoint ap : aps){
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String decrypted =decryptString(ap.password());
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String user= ap.username();
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ap.credentials(decrypted, user);
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}
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return resource;
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}
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private ServiceEndpoint encryptResource(ServiceEndpoint resource) {
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log.debug("encrypting serviceEndpoint {} ", resource.id());
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Group<ServiceEndpoint.AccessPoint> aps=resource.profile().accessPoints();
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for (ServiceEndpoint.AccessPoint ap : aps){
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String decrypted =encryptString(ap.password());
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String user= ap.username();
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ap.credentials(decrypted, user);
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}
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return resource;
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}
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private static String decryptString(String toDecrypt){
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log.debug("decrypting string");
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try{
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return StringEncrypter.getEncrypter().decrypt(toDecrypt);
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}catch(Exception e) {
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throw new RuntimeException("Unable to decrypt : "+toDecrypt,e);
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}
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}
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private static String encryptString(String toEncrypt){
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log.debug("encrypting string");
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try{
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return StringEncrypter.getEncrypter().encrypt(toEncrypt);
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}catch(Exception e) {
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throw new RuntimeException("Unable to encrypt : "+toEncrypt,e);
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}
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}
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private List<ServiceEndpoint> getServiceEndpoints(boolean isDecrypt, List<ServiceEndpoint> endpoints) {
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if (isDecrypt) {
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if (isRoleEnabled(DECRYPT_ROLE)){
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List<ServiceEndpoint> ses = new ArrayList<>(endpoints.size());
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for (ServiceEndpoint resource : endpoints) {
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ses.add(decryptResource(resource));
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}
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return ses;
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}else{
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log.warn("user not enabled to see the resource free to air, sorry");
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}
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}
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return endpoints;
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}
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private boolean isRoleEnabled(String role){
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boolean isEnabled = false;
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log.debug("checking role: "+role);
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String at= AccessTokenProvider.instance.get();
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try{
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if (ModelUtils.getAccessTokenFrom(at).getRealmAccess().getRoles().contains(role)) {
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isEnabled=true;
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}
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}catch (Exception e){
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log.error("token not retrieved properly: "+e.getMessage());
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e.printStackTrace();
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}
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log.debug("role enabled "+isEnabled);
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return isEnabled;
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}
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private static String registerSE(ServiceEndpoint toRegister) {
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log.trace("going to create a new ServiceEndpoint resource. registerSE method");
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RegistryPublisher rp= RegistryPublisherFactory.create();
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if(log.isDebugEnabled())
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Resources.print(toRegister);
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Resource r=rp.create(toRegister);
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if (Objects.nonNull(r)) {
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log.debug("resource registered with id " + r.id());
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return r.id();
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}else{
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throw new RuntimeException("Creation failed, null returned: "+toRegister);
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}
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}
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} |