114 lines
3.9 KiB
Java
114 lines
3.9 KiB
Java
package org.gcube.data.access.storagehub.handlers.vres;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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import javax.jcr.Node;
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import javax.jcr.RepositoryException;
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import javax.jcr.SimpleCredentials;
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import javax.servlet.ServletContext;
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import org.apache.jackrabbit.api.JackrabbitSession;
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import org.apache.jackrabbit.api.security.user.Group;
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import org.apache.jackrabbit.api.security.user.User;
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import org.apache.jackrabbit.api.security.user.UserManager;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.common.scope.impl.ScopeBean;
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import org.gcube.common.scope.impl.ScopeBean.Type;
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import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
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import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
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import org.gcube.common.storagehub.model.exceptions.StorageHubException;
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import org.gcube.common.storagehub.model.items.Item;
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import org.gcube.data.access.storagehub.Constants;
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import org.gcube.data.access.storagehub.PathUtil;
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import org.gcube.data.access.storagehub.handlers.GroupHandler;
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import org.gcube.data.access.storagehub.handlers.items.Node2ItemConverter;
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import org.gcube.data.access.storagehub.services.RepositoryInitializer;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@Singleton
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public class VREManager {
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private static final Logger logger = LoggerFactory.getLogger(VREManager.class);
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private Map<String, VRE> vreMap = new HashMap<>();
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@Inject
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RepositoryInitializer repository;
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@Inject
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Node2ItemConverter node2Item;
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@Inject
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PathUtil pathUtil;
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@Inject
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GroupHandler groupHandler;
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ExecutorService executor = Executors.newFixedThreadPool(5);
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SimpleCredentials credentials;
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@Inject
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public VREManager(ServletContext context) {
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credentials = new SimpleCredentials(context.getInitParameter(Constants.ADMIN_PARAM_NAME),context.getInitParameter(Constants.ADMIN_PARAM_PWD).toCharArray());
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}
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public synchronized VRE getVRE(String completeName) {
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logger.trace("requesting VRE {}",completeName);
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if (vreMap.containsKey(completeName))
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return vreMap.get(completeName);
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else
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return null;
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}
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private synchronized VRE putVRE(Item vreFolder) {
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logger.trace("inserting VRE {}",vreFolder.getTitle());
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if (vreMap.containsKey(vreFolder.getTitle())) throw new RuntimeException("something went wrong (vre already present in the map)");
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else {
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VRE toReturn = new VRE(vreFolder, repository.getRepository(), credentials, node2Item, executor);
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vreMap.put(vreFolder.getTitle(), toReturn);
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return toReturn;
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}
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}
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public synchronized VRE getVreFolderItem(JackrabbitSession ses, String userId, List<String> excludes ) throws RepositoryException, StorageHubException{
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ScopeBean bean = new ScopeBean(ScopeProvider.instance.get());
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if (!bean.is(Type.VRE)) throw new BackendGenericError("the current scope is not a VRE");
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String entireScopeName= bean.toString().replaceAll("^/(.*)/?$", "$1").replaceAll("/", "-");
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return getVreFolderItemByGroupName(ses, entireScopeName, userId, excludes);
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}
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public synchronized VRE getVreFolderItemByGroupName(JackrabbitSession ses, String groupName, String userId, List<String> excludes ) throws RepositoryException, StorageHubException{
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UserManager um = ses.getUserManager();
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Group groupAuth = um.getAuthorizable(groupName, Group.class);
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User userAuth = um.getAuthorizable(userId, User.class);
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if (groupAuth == null || userAuth == null || !groupAuth.isMember(userAuth))
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throw new InvalidCallParameters("error getting VRE with user "+userId+" for group "+groupName);
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VRE vre = this.getVRE(groupName);
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if (vre!=null) return vre;
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else {
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Node vreFolderNode = groupHandler.getFolderNodeRelatedToGroup(ses, groupName);
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Item vreFolder = node2Item.getItem(vreFolderNode, excludes);
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return this.putVRE(vreFolder);
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}
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}
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}
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