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364 lines
13 KiB
Java
364 lines
13 KiB
Java
package org.gcube.data.access.storagehub.services;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import javax.inject.Inject;
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import javax.jcr.Node;
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import javax.jcr.PathNotFoundException;
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import javax.jcr.RepositoryException;
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import javax.servlet.ServletContext;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.FormParam;
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import javax.ws.rs.GET;
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import javax.ws.rs.POST;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.Produces;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import org.apache.jackrabbit.api.JackrabbitSession;
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import org.apache.jackrabbit.api.security.user.Authorizable;
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import org.apache.jackrabbit.api.security.user.Group;
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import org.apache.jackrabbit.api.security.user.Query;
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import org.apache.jackrabbit.api.security.user.QueryBuilder;
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import org.apache.jackrabbit.api.security.user.User;
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import org.apache.jackrabbit.core.security.principal.PrincipalImpl;
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import org.gcube.common.authorization.control.annotations.AuthorizationControl;
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import org.gcube.common.gxrest.response.outbound.GXOutboundErrorResponse;
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import org.gcube.common.storagehub.model.Excludes;
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import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
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import org.gcube.common.storagehub.model.exceptions.IdNotFoundException;
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import org.gcube.common.storagehub.model.exceptions.StorageHubException;
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import org.gcube.common.storagehub.model.exceptions.UserNotAuthorizedException;
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import org.gcube.common.storagehub.model.items.Item;
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import org.gcube.common.storagehub.model.items.SharedFolder;
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import org.gcube.data.access.storagehub.AuthorizationChecker;
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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.StorageHubAppllicationManager;
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import org.gcube.data.access.storagehub.Utils;
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import org.gcube.data.access.storagehub.exception.MyAuthException;
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import org.gcube.data.access.storagehub.handlers.CredentialHandler;
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import org.gcube.data.access.storagehub.handlers.GroupHandler;
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import org.gcube.data.access.storagehub.handlers.TrashHandler;
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import org.gcube.data.access.storagehub.handlers.UnshareHandler;
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import org.gcube.data.access.storagehub.handlers.items.builders.FolderCreationParameters;
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import org.gcube.smartgears.annotations.ManagedBy;
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import org.gcube.smartgears.utils.InnerMethodName;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@Path("users")
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@ManagedBy(StorageHubAppllicationManager.class)
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public class UserManager {
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private static final String INFRASTRUCTURE_MANAGER_ROLE = "Infrastructure-Manager";
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@Context ServletContext context;
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private static final Logger log = LoggerFactory.getLogger(UserManager.class);
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RepositoryInitializer repository = StorageHubAppllicationManager.repository;
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@Inject
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UnshareHandler unshareHandler;
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@Inject
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AuthorizationChecker authChecker;
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@Inject
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TrashHandler trashHandler;
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@Inject
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GroupHandler groupHandler;
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@Inject
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PathUtil pathUtil;
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@GET
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@Path("")
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@Produces(MediaType.APPLICATION_JSON)
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public List<String> getUsers(){
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InnerMethodName.instance.set("getUsers");
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JackrabbitSession session = null;
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List<String> users = null;
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try {
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session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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Iterator<Authorizable> result = session.getUserManager().findAuthorizables(new Query() {
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@Override
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public <T> void build(QueryBuilder<T> builder) {
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builder.setSelector(User.class);
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}
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});
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Set<String> usersSet= new HashSet<>();
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String adminUser = context.getInitParameter(Constants.ADMIN_PARAM_NAME);
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while (result.hasNext()) {
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Authorizable user = result.next();
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log.debug("user {} found",user.getPrincipal().getName());
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if (user.getPrincipal().getName().equals(adminUser)) continue;
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usersSet.add(user.getPrincipal().getName());
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}
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users = new ArrayList<>(usersSet);
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Collections.sort(users);
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}catch(Exception e) {
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log.error("jcr error getting users", e);
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GXOutboundErrorResponse.throwException(new BackendGenericError(e));
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} finally {
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if (session!=null)
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session.logout();
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}
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return users;
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}
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@GET
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@Path("{user}")
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public String getUser(@PathParam("user") String user){
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InnerMethodName.instance.set("getUser");
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JackrabbitSession session = null;
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try {
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session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
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Authorizable authorizable = usrManager.getAuthorizable(user);
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if (authorizable != null && !authorizable.isGroup())
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return authorizable.getPrincipal().getName();
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log.debug("user {} not found", user);
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}catch(Exception e) {
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log.error("jcr error getting user", e);
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GXOutboundErrorResponse.throwException(new BackendGenericError(e));
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} finally {
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if (session!=null)
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session.logout();
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}
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GXOutboundErrorResponse.throwException(new IdNotFoundException(user));
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return null;
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}
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@POST
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@Path("")
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
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public String createUser(@FormParam("user") String user, @FormParam("password") String password){
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InnerMethodName.instance.set("createUser");
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JackrabbitSession session = null;
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String userId = null;
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try {
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session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
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User createdUser = usrManager.createUser(user, password);
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userId = createdUser.getID();
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Node homeNode = session.getNode("/Home");
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Node userHome = homeNode.addNode(user, "nthl:home");
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userHome.setProperty(Constants.HOME_VERSION_PROP, 1l);
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//creating workspace folder
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FolderCreationParameters wsFolderParameters = FolderCreationParameters.builder().name(Constants.WORKSPACE_ROOT_FOLDER_NAME).description("workspace of "+user).author(user).on(userHome.getIdentifier()).with(session).build();
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Utils.createFolderInternally(wsFolderParameters, null);
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//creating thrash folder
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FolderCreationParameters trashFolderParameters = FolderCreationParameters.builder().name(Constants.TRASH_ROOT_FOLDER_NAME).description("trash of "+user).author(user).on(userHome.getIdentifier()).with(session).build();
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Utils.createFolderInternally(trashFolderParameters, null);
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//creating Vre container folder
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FolderCreationParameters vreFolderParameters = FolderCreationParameters.builder().name(Constants.PERSONAL_VRES_FOLDER_PARENT_NAME).description("vre folder container of "+user).author(user).on(userHome.getIdentifier()).with(session).build();
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Utils.createFolderInternally(vreFolderParameters, null);
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//creating inbox folder
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FolderCreationParameters inboxFolderParameters = FolderCreationParameters.builder().name(Constants.INBOX_FOLDER_NAME).description("inbox of "+user).author(user).on(userHome.getIdentifier()).with(session).build();
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Utils.createFolderInternally(inboxFolderParameters, null);
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//creating outbox folder
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FolderCreationParameters outboxFolderParameters = FolderCreationParameters.builder().name(Constants.OUTBOX_FOLDER_NAME).description("outbox of "+user).author(user).on(userHome.getIdentifier()).with(session).build();
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Utils.createFolderInternally(outboxFolderParameters, null);
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session.save();
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}catch(RepositoryException re ){
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log.error("jcr error creating item", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
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} finally {
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if (session!=null)
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session.logout();
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}
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return userId;
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}
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@DELETE
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@Path("{user}")
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@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
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public String deleteUser(@PathParam("user") final String user){
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InnerMethodName.instance.set("deleteUser");
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JackrabbitSession session = null;
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try {
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session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
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User authorizable = (User) usrManager.getAuthorizable(new PrincipalImpl(user));
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if (authorizable!=null)
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removeUserFromBelongingGroup(session, authorizable, usrManager);
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else log.warn("user was already deleted from jackrabbit, trying to delete folders");
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unshareUsersFolders(session, user);
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removeUserHomeAndDeleteFiles(session, user);
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//FINALIZE user removal
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if (authorizable!=null && !authorizable.isGroup()) {
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log.info("removing user {}", user);
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authorizable.remove();
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} else log.warn("the user {} was already deleted, it should never happen", user);
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session.save();
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}catch(RepositoryException re ){
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log.error("jcr error creating item", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
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} finally {
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if (session!=null)
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session.logout();
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}
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return user;
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}
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private void removeUserFromBelongingGroup(JackrabbitSession session, User authorizable, org.apache.jackrabbit.api.security.user.UserManager usrManager) throws RepositoryException, StorageHubException {
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Iterator<Authorizable> groups = session.getUserManager().findAuthorizables(new Query() {
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@Override
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public <T> void build(QueryBuilder<T> builder) {
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builder.setSelector(Group.class);
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}
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});
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String user = authorizable.getPrincipal().getName();
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while(groups.hasNext()) {
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Authorizable group = groups.next();
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log.info("group found {}", group.getPrincipal().getName() );
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if (group.isGroup() && ((Group)group).isMember(authorizable)) {
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boolean success = groupHandler.removeUserFromGroup(group.getPrincipal().getName(), user, session);
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log.warn("user {} {} removed from vre {}",user,success?"":"not" ,group.getPrincipal().getName());
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}
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}
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}
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private void unshareUsersFolders(JackrabbitSession session, String user){
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try {
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Node sharedFolderNode = session.getNode(Constants.SHARED_FOLDER_PATH);
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Predicate<Node> sharedWithUserChecker = new Predicate<Node>() {
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@Override
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public boolean test(Node t) {
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try {
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authChecker.checkReadAuthorizationControl(t.getSession(), user, t.getIdentifier());
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return true;
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} catch (UserNotAuthorizedException | BackendGenericError | RepositoryException e) {
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return false;
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}
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}
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};
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List<SharedFolder> items = Utils.getItemList(sharedWithUserChecker, sharedFolderNode, Excludes.ALL, null, false, SharedFolder.class);
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log.debug(" Shared folder to unshare found are {}", items.size());
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for (SharedFolder item: items) {
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String title = item.getTitle();
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log.debug("in list folder name {} with title {} and path {} ",item.getName(), title, item.getPath());
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if (item.isPublicItem() && !item.getUsers().getMap().containsKey(user)) continue;
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if (item.isVreFolder()) continue;
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log.info("removing sharing for folder name {} with title {} and path {} ",item.getName(), title, item.getPath());
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String owner = item.getOwner();
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Set<String> usersToUnshare= owner.equals(user)? Collections.emptySet():Collections.singleton(user);
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try {
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unshareHandler.unshareForRemoval(session, usersToUnshare, session.getNodeByIdentifier(item.getId()), user);
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}catch (Throwable e) {
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log.warn("error unsharing folder with title '{}' and id {} ", title, item.getId(), e);
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}
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}
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} catch (Throwable t) {
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log.warn("error getting folder shared with {}",user, t);
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}
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}
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private void removeUserHomeAndDeleteFiles(JackrabbitSession session, String user) throws RepositoryException, StorageHubException {
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org.gcube.common.storagehub.model.Path homePath = pathUtil.getHome(user);
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org.gcube.common.storagehub.model.Path workspacePath = pathUtil.getWorkspacePath(user);
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org.gcube.common.storagehub.model.Path trashPath = pathUtil.getTrashPath(user, session);
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try {
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Node workspaceNode = session.getNode(workspacePath.toPath());
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List<Item> workspaceItems = Utils.getItemList(workspaceNode, Excludes.GET_ONLY_CONTENT, null, true, null).stream().filter(i -> !i.isShared()).collect(Collectors.toList());
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trashHandler.removeOnlyNodesContent(session, workspaceItems);
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} catch (PathNotFoundException e) {
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log.warn("{} workspace dir {} was already deleted", user, homePath.toPath());
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}
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try {
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Node trashNode = session.getNode(trashPath.toPath());
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List<Item> trashItems = Utils.getItemList(trashNode, Excludes.ALL, null, true, null);
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trashHandler.removeOnlyNodesContent(session, trashItems);
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} catch (PathNotFoundException e) {
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log.warn("{} trash dir {} was already deleted", user, homePath.toPath());
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}
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try {
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Node homeNode = session.getNode(homePath.toPath());
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homeNode.remove();
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} catch (PathNotFoundException e) {
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log.warn("{} home dir {} was already deleted", user, homePath.toPath());
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}
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}
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}
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