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359 lines
13 KiB
Java
359 lines
13 KiB
Java
package org.gcube.data.access.storagehub.services;
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import java.util.HashMap;
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import java.util.Map.Entry;
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import java.util.Set;
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import javax.enterprise.context.RequestScoped;
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import javax.inject.Inject;
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import javax.jcr.Node;
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import javax.jcr.RepositoryException;
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import javax.jcr.Session;
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import javax.jcr.lock.LockException;
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import javax.jcr.security.AccessControlManager;
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import javax.jcr.security.Privilege;
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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.FormParam;
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import javax.ws.rs.POST;
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import javax.ws.rs.PUT;
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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.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.security.JackrabbitAccessControlList;
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import org.apache.jackrabbit.commons.jackrabbit.authorization.AccessControlUtils;
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import org.gcube.com.fasterxml.jackson.databind.ObjectMapper;
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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.NodeConstants;
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import org.gcube.common.storagehub.model.acls.AccessType;
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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.InvalidItemException;
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import org.gcube.common.storagehub.model.exceptions.ItemLockedException;
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import org.gcube.common.storagehub.model.exceptions.StorageHubException;
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import org.gcube.common.storagehub.model.items.ExternalFolder;
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import org.gcube.common.storagehub.model.items.FolderItem;
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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.common.storagehub.model.types.NodeProperty;
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import org.gcube.common.storagehub.model.types.PrimaryNodeType;
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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.accounting.AccountingHandler;
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import org.gcube.data.access.storagehub.handlers.CredentialHandler;
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import org.gcube.data.access.storagehub.handlers.UnshareHandler;
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import org.gcube.data.access.storagehub.handlers.items.Item2NodeConverter;
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import org.gcube.data.access.storagehub.handlers.items.Node2ItemConverter;
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import org.gcube.smartgears.utils.InnerMethodName;
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import org.glassfish.jersey.media.multipart.FormDataParam;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@Path("items")
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public class ItemSharing extends Impersonable{
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private static final Logger log = LoggerFactory.getLogger(ItemSharing.class);
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RepositoryInitializer repository = StorageHubAppllicationManager.repository;
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@Inject
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AccountingHandler accountingHandler;
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@RequestScoped
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@PathParam("id")
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String id;
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@Context
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ServletContext context;
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@Inject
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AuthorizationChecker authChecker;
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@Inject
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PathUtil pathUtil;
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@Inject
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UnshareHandler unshareHandler;
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@Inject Node2ItemConverter node2Item;
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@Inject Item2NodeConverter item2Node;
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@SuppressWarnings("unchecked")
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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@POST
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@Path("{id}/share")
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public String shareWithMap(@FormParam("mapUserPermission") String mapUserPermissionString, @FormParam("defaultAccessType") String defaultAccessTypeString){
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InnerMethodName.instance.set("shareFolder");
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HashMap<String,String> mapUserPermission;
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Session ses = null;
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String toReturn = null;
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try{
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try {
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mapUserPermission = (HashMap<String,String>)new ObjectMapper().readValue(mapUserPermissionString, HashMap.class);
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}catch (Exception e) {
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throw new InvalidCallParameters("invalid map passed");
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}
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AccessType defaultAccessType;
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try {
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defaultAccessType = AccessType.fromValue(defaultAccessTypeString);
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}catch (IllegalArgumentException e) {
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throw new InvalidCallParameters("invalid default accessType");
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}
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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authChecker.checkWriteAuthorizationControl(ses, currentUser, id, false);
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Item item = node2Item.getItem(ses.getNodeByIdentifier(id), Excludes.ALL);
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if (mapUserPermission==null || mapUserPermission.isEmpty())
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throw new InvalidCallParameters("users is empty");
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Node nodeToShare = ses.getNodeByIdentifier(id);
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boolean alreadyShared = false;
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Node sharedFolderNode;
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if (!node2Item.checkNodeType(nodeToShare, SharedFolder.class))
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sharedFolderNode= shareFolder(nodeToShare, ses);
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else {
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sharedFolderNode = nodeToShare;
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alreadyShared = true;
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}
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ses.save();
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try {
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ses.getWorkspace().getLockManager().lock(sharedFolderNode.getPath(), true, true, 0,currentUser);
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}catch (LockException e) {
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throw new ItemLockedException(e);
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}
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try {
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AccessControlManager acm = ses.getAccessControlManager();
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JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, sharedFolderNode.getPath());
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if (!alreadyShared) {
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Privilege[] adminPrivileges = new Privilege[] { acm.privilegeFromName(AccessType.ADMINISTRATOR.getValue()) };
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addUserToSharing(sharedFolderNode, ses, currentUser, item, adminPrivileges, acls);
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mapUserPermission.remove(currentUser);
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}
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for (Entry<String, String> entry: mapUserPermission.entrySet() )
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try {
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AccessType accessType = defaultAccessType;
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try {
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if (entry.getValue()!=null)
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accessType = AccessType.fromValue(entry.getValue());
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}catch (IllegalArgumentException e) { log.warn("an illegal accessType passed to sharing ({})", entry.getValue());}
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Privilege[] userPrivileges = new Privilege[] { acm.privilegeFromName(accessType.getValue()) };
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addUserToSharing(sharedFolderNode, ses, entry.getKey(), null, userPrivileges, acls);
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}catch(Exception e){
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log.warn("error adding user {} to sharing of folder {}", entry.getKey(), sharedFolderNode.getName());
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}
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acm.setPolicy(sharedFolderNode.getPath(), acls);
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String title = sharedFolderNode.getProperty(NodeProperty.TITLE.toString()).getString();
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accountingHandler.createShareFolder(title, mapUserPermission.keySet(), ses, sharedFolderNode, currentUser, false);
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ses.save();
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toReturn = sharedFolderNode.getIdentifier();
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} finally {
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if (!ses.hasPendingChanges())
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ses.getWorkspace().getLockManager().unlock(sharedFolderNode.getPath());
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}
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}catch(RepositoryException re){
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log.error("jcr sharing", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error sharing folder", re));
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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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}finally{
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if (ses!=null)
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ses.logout();
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}
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return toReturn;
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}
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@PUT
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@Path("{id}/share")
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@Consumes(MediaType.MULTIPART_FORM_DATA)
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@Deprecated
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public String share(@FormDataParam("users") Set<String> users, @FormDataParam("defaultAccessType") AccessType accessType){
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InnerMethodName.instance.set("shareFolder");
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Session ses = null;
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String toReturn = null;
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try{
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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authChecker.checkWriteAuthorizationControl(ses, currentUser, id, false);
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Item item = node2Item.getItem(ses.getNodeByIdentifier(id), Excludes.ALL);
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if (accessType==null)
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accessType = AccessType.READ_ONLY;
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if (users==null || users.isEmpty())
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throw new InvalidCallParameters("users is empty");
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Node nodeToShare = ses.getNodeByIdentifier(id);
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boolean alreadyShared = false;
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Node sharedFolderNode;
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if (!node2Item.checkNodeType(nodeToShare, SharedFolder.class))
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sharedFolderNode= shareFolder(nodeToShare, ses);
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else {
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sharedFolderNode = nodeToShare;
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alreadyShared = true;
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}
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ses.save();
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try {
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ses.getWorkspace().getLockManager().lock(sharedFolderNode.getPath(), true, true, 0,currentUser);
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}catch (LockException e) {
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throw new ItemLockedException(e);
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}
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try {
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AccessControlManager acm = ses.getAccessControlManager();
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JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, sharedFolderNode.getPath());
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if (!alreadyShared) {
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Privilege[] adminPrivileges = new Privilege[] { acm.privilegeFromName(AccessType.ADMINISTRATOR.getValue()) };
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addUserToSharing(sharedFolderNode, ses, currentUser, item, adminPrivileges, acls);
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users.remove(currentUser);
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}
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Privilege[] userPrivileges = new Privilege[] { acm.privilegeFromName(accessType.getValue()) };
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for (String user : users)
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try {
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addUserToSharing(sharedFolderNode, ses, user, null, userPrivileges, acls);
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}catch(Exception e){
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log.warn("error adding user {} to sharing of folder {}", user, sharedFolderNode.getName());
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}
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acm.setPolicy(sharedFolderNode.getPath(), acls);
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accountingHandler.createShareFolder(sharedFolderNode.getProperty(NodeProperty.TITLE.toString()).getString(), users, ses, sharedFolderNode, currentUser, false);
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ses.save();
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toReturn = sharedFolderNode.getIdentifier();
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} finally {
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if (!ses.hasPendingChanges())
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ses.getWorkspace().getLockManager().unlock(sharedFolderNode.getPath());
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}
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}catch(RepositoryException re){
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log.error("jcr sharing", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error sharing folder", re));
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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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}finally{
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if (ses!=null)
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ses.logout();
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}
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return toReturn;
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}
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private Node shareFolder(Node node, Session ses) throws RepositoryException, BackendGenericError, StorageHubException{
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if (!node2Item.checkNodeType(node, FolderItem.class) || Utils.hasSharedChildren(node) || !node.getProperty(NodeProperty.PORTAL_LOGIN.toString()).getString().equals(currentUser))
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throw new InvalidItemException("item with id "+id+" cannot be shared");
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String sharedFolderName = node.getIdentifier();
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String newNodePath = Constants.SHARED_FOLDER_PATH+"/"+sharedFolderName;
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ses.move(node.getPath(),newNodePath);
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Node sharedFolderNode = ses.getNode(newNodePath);
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sharedFolderNode.setPrimaryType(PrimaryNodeType.NT_WORKSPACE_SHARED_FOLDER);
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return sharedFolderNode;
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}
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private void addUserToSharing(Node sharedFolderNode, Session ses, String user, Item itemToShare, Privilege[] userPrivileges, JackrabbitAccessControlList acls) throws RepositoryException{
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String userRootWSId;
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String userPath;
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if (itemToShare==null) {
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String userRootWS = pathUtil.getWorkspacePath(user).toPath();
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userRootWSId = ses.getNode(userRootWS).getIdentifier();
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userPath = String.format("%s%s",userRootWS,sharedFolderNode.getProperty(NodeProperty.TITLE.toString()).getString());
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}
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else {
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userPath = itemToShare.getPath();
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userRootWSId = itemToShare.getParentId();
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}
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log.info("cloning directory to {} ",userPath);
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ses.getWorkspace().clone(ses.getWorkspace().getName(), sharedFolderNode.getPath(), userPath , false);
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acls.addAccessControlEntry(AccessControlUtils.getPrincipal(ses, user), userPrivileges );
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Node usersNode =null;
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if (sharedFolderNode.hasNode(NodeConstants.USERS_NAME))
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usersNode = sharedFolderNode.getNode(NodeConstants.USERS_NAME);
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else
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usersNode = sharedFolderNode.addNode(NodeConstants.USERS_NAME);
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usersNode.setProperty(user, String.format("%s/%s",userRootWSId,sharedFolderNode.getProperty(NodeProperty.TITLE.toString()).getString()));
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}
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@PUT
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@Path("{id}/unshare")
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@Consumes(MediaType.MULTIPART_FORM_DATA)
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public String unshare(@FormDataParam("users") Set<String> users){
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InnerMethodName.instance.set("unshareFolder");
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Session ses = null;
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String toReturn = null;
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try {
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log.debug("unsharing folder with id {} with users {}", id, users);
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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Node sharedNode = ses.getNodeByIdentifier(id);
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toReturn = unshareHandler.unshare(ses, users, sharedNode, currentUser);
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if(toReturn == null ) throw new InvalidItemException("item with id "+id+" cannot be unshared");
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}catch(RepositoryException re){
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log.error("jcr unsharing", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error extracting archive", re));
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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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}finally{
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if (ses!=null)
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ses.logout();
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}
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return toReturn;
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}
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}
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