storagehub/src/main/java/org/gcube/data/access/storagehub/services/GroupManager.java

571 lines
21 KiB
Java

package org.gcube.data.access.storagehub.services;
import static org.gcube.data.access.storagehub.Roles.INFRASTRUCTURE_MANAGER_ROLE;
import static org.gcube.data.access.storagehub.Roles.VREMANAGER_ROLE;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import javax.inject.Inject;
import javax.jcr.Node;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.security.AccessControlEntry;
import javax.jcr.security.AccessControlManager;
import javax.jcr.security.Privilege;
import javax.servlet.ServletContext;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.jackrabbit.api.JackrabbitSession;
import org.apache.jackrabbit.api.security.JackrabbitAccessControlList;
import org.apache.jackrabbit.api.security.user.Authorizable;
import org.apache.jackrabbit.api.security.user.Group;
import org.apache.jackrabbit.api.security.user.Query;
import org.apache.jackrabbit.api.security.user.QueryBuilder;
import org.apache.jackrabbit.api.security.user.User;
import org.apache.jackrabbit.commons.jackrabbit.authorization.AccessControlUtils;
import org.gcube.common.authorization.control.annotations.AuthorizationControl;
import org.gcube.common.authorization.library.provider.AuthorizationProvider;
import org.gcube.common.gxrest.response.outbound.GXOutboundErrorResponse;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.common.scope.impl.ScopeBean.Type;
import org.gcube.common.storagehub.model.Excludes;
import org.gcube.common.storagehub.model.Paths;
import org.gcube.common.storagehub.model.acls.AccessType;
import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
import org.gcube.common.storagehub.model.exceptions.StorageHubException;
import org.gcube.common.storagehub.model.exceptions.UserNotAuthorizedException;
import org.gcube.common.storagehub.model.items.Item;
import org.gcube.common.storagehub.model.types.NodeProperty;
import org.gcube.common.storagehub.model.types.PrimaryNodeType;
import org.gcube.data.access.storagehub.AuthorizationChecker;
import org.gcube.data.access.storagehub.Constants;
import org.gcube.data.access.storagehub.PathUtil;
import org.gcube.data.access.storagehub.StorageHubAppllicationManager;
import org.gcube.data.access.storagehub.Utils;
import org.gcube.data.access.storagehub.exception.MyAuthException;
import org.gcube.data.access.storagehub.handlers.CredentialHandler;
import org.gcube.data.access.storagehub.handlers.GroupHandler;
import org.gcube.data.access.storagehub.handlers.TrashHandler;
import org.gcube.data.access.storagehub.handlers.items.Node2ItemConverter;
import org.gcube.data.access.storagehub.handlers.items.builders.FolderCreationParameters;
import org.gcube.data.access.storagehub.handlers.vres.VRE;
import org.gcube.data.access.storagehub.handlers.vres.VREManager;
import org.gcube.smartgears.annotations.ManagedBy;
import org.gcube.smartgears.utils.InnerMethodName;
import org.glassfish.jersey.media.multipart.FormDataParam;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.webcohesion.enunciate.metadata.rs.RequestHeader;
import com.webcohesion.enunciate.metadata.rs.RequestHeaders;
@Path("groups")
@ManagedBy(StorageHubAppllicationManager.class)
@RequestHeaders({
@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
})
public class GroupManager {
@Context ServletContext context;
@Inject
TrashHandler trashHandler;
private static final Logger log = LoggerFactory.getLogger(GroupManager.class);
RepositoryInitializer repository = StorageHubAppllicationManager.repository;
@Inject
VREManager vreManager;
@Inject
GroupHandler groupHandler;
@Inject
Node2ItemConverter node2Item;
@Inject
PathUtil pathUtil;
@Inject
AuthorizationChecker authChecker;
@GET
@Path("")
@Produces(MediaType.APPLICATION_JSON)
public List<String> getGroups(){
InnerMethodName.instance.set("getGroups");
JackrabbitSession session = null;
List<String> groups= new ArrayList<>();
try {
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
Iterator<Authorizable> result = session.getUserManager().findAuthorizables(new Query() {
@Override
public <T> void build(QueryBuilder<T> builder) {
builder.setSelector(Group.class);
}
});
while (result.hasNext()) {
Authorizable group = result.next();
log.info("group {} found",group.getPrincipal().getName());
groups.add(group.getPrincipal().getName());
}
}catch(RepositoryException re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
} finally {
if (session!=null)
session.logout();
}
return groups;
}
@POST
@Path("")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
public String createGroup(@FormDataParam("group") String group, @FormDataParam("accessType") AccessType accessType, @FormDataParam("folderOwner") String folderOwner){
InnerMethodName.instance.set("createGroup");
JackrabbitSession session = null;
String groupId = null;
try {
log.info("create group called with groupid {} , accessType {} and folderOwner {}",group, accessType, folderOwner);
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
Group createdGroup = usrManager.createGroup(group);
groupId = createdGroup.getID();
User user = (User)usrManager.getAuthorizable(folderOwner);
createVreFolder(groupId, session, accessType!=null?accessType:AccessType.WRITE_OWNER, folderOwner);
boolean success = this.internalAddUserToGroup(session, createdGroup, user);
if (!success) log.warn("the user have not been added to the group");
else log.debug("the user have been added to the group");
session.save();
}catch(StorageHubException se) {
log.error("error creating group {}", group, se);
GXOutboundErrorResponse.throwException(se);
}catch(Throwable e) {
log.error("jcr error creating group {}", group, e);
GXOutboundErrorResponse.throwException(new BackendGenericError(e));
} finally {
if (session!=null)
session.logout();
}
return groupId;
}
@DELETE
@Path("{group}")
@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
public String deleteGroup(@PathParam("group") String group){
InnerMethodName.instance.set("deleteGroup");
JackrabbitSession session = null;
try {
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
Authorizable authorizable = usrManager.getAuthorizable(group);
if (authorizable!=null && authorizable.isGroup())
authorizable.remove();
try {
Node node = groupHandler.getFolderNodeRelatedToGroup(session, group);
List<Item> workspaceItems = Utils.getItemList(node, Excludes.GET_ONLY_CONTENT, null, true, null);
trashHandler.removeOnlyNodesContent(session, workspaceItems);
node.removeSharedSet();
}catch (Exception e) {
log.warn("vreFolder {} not found, removing only the group", group);
}
session.save();
}catch(RepositoryException re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
} finally {
if (session!=null)
session.logout();
}
return group;
}
public boolean isInfraManager() { return AuthorizationProvider.instance.get().getClient().getRoles().contains(INFRASTRUCTURE_MANAGER_ROLE); }
public boolean isVREManager() { return AuthorizationProvider.instance.get().getClient().getRoles().contains(VREMANAGER_ROLE); }
@PUT
@Path("{id}/admins")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public void addAdmin(@PathParam("id") String groupId, @FormParam("userId") String userId){
InnerMethodName.instance.set("addAdmin");
JackrabbitSession session = null;
try {
Objects.nonNull(groupId);
Objects.nonNull(userId);
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
Node vreFolder = groupHandler.getFolderNodeRelatedToGroup(session, groupId);
String currentUser = AuthorizationProvider.instance.get().getClient().getId();
if (!isInfraManager() && !(isVREManager() && isValidGroupForContext(groupId) ))
authChecker.checkAdministratorControl(session, currentUser, node2Item.getItem(vreFolder, Excludes.ALL));
org.apache.jackrabbit.api.security.user.UserManager usrManager = ((JackrabbitSession)session).getUserManager();
Group group = (Group)usrManager.getAuthorizable(groupId);
User authUser = (User)usrManager.getAuthorizable(userId);
if (group ==null)
throw new InvalidCallParameters("invalid group "+groupId);
if (authUser ==null)
throw new InvalidCallParameters("invalid user "+userId);
if (!group.isMember(authUser))
throw new InvalidCallParameters("user "+userId+" is not in the group "+groupId);
AccessControlManager acm = session.getAccessControlManager();
JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, vreFolder.getPath());
Privilege[] userPrivileges = new Privilege[] { acm.privilegeFromName(AccessType.ADMINISTRATOR.getValue()) };
Principal principal = AccessControlUtils.getPrincipal(session, userId);
acls.addAccessControlEntry(principal, userPrivileges);
acm.setPolicy(vreFolder.getPath(), acls);
session.save();
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(Throwable re ){
log.error("adding admin to VREFolder", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error adding admin to VREFolder", re));
} finally {
if (session!=null)
session.logout();
}
}
@DELETE
@Path("{id}/admins/{userId}")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public void removeAdmin(@PathParam("id") String groupId, @PathParam("userId") String userId){
InnerMethodName.instance.set("removeAdmin");
JackrabbitSession session = null;
try {
Objects.nonNull(groupId);
Objects.nonNull(userId);
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
Node vreFolder = groupHandler.getFolderNodeRelatedToGroup(session, groupId);
String currentUser = AuthorizationProvider.instance.get().getClient().getId();
if (!isInfraManager() && !(isVREManager() && isValidGroupForContext(groupId) ))
authChecker.checkAdministratorControl(session, currentUser, node2Item.getItem(vreFolder, Excludes.ALL));
AccessControlManager acm = session.getAccessControlManager();
JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, vreFolder.getPath());
AccessControlEntry toRemove = null;
for (AccessControlEntry acl: acls.getAccessControlEntries())
if (acl.getPrincipal().getName().equals(userId)) {
toRemove = acl;
break;
}
acls.removeAccessControlEntry(toRemove);
acm.setPolicy(vreFolder.getPath(), acls);
session.save();
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(Throwable re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error removing admin to VREFolder", re));
}finally {
if (session!=null)
session.logout();
}
}
@GET
@Path("{groupId}/admins")
@Produces(MediaType.APPLICATION_JSON)
public List<String> getAdmins(@PathParam("groupId") String groupId){
InnerMethodName.instance.set("getAdmins");
String login = AuthorizationProvider.instance.get().getClient().getId();
JackrabbitSession session = null;
List<String> users = new ArrayList<>();
try {
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
VRE vreFolder = vreManager.getVreFolderItemByGroupName(session, groupId, login, Excludes.ALL);
AccessControlManager acm = session.getAccessControlManager();
//authChecker.checkAdministratorControl(session, (VreFolder)vreFolder.getVreFolder());
Node node = session.getNodeByIdentifier(vreFolder.getVreFolder().getId());
JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, node.getPath());
for (AccessControlEntry acl: acls.getAccessControlEntries())
for (Privilege pr: acl.getPrivileges()) {
if (pr.getName().equals(AccessType.ADMINISTRATOR.getValue())){
users.add(acl.getPrincipal().getName());
}
}
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(Exception re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
}finally {
if (session!=null)
session.logout();
}
return users;
}
@PUT
@Path("{id}/users")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
@AuthorizationControl(allowedRoles={VREMANAGER_ROLE, INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
public boolean addUserToGroup(@PathParam("id") String groupId, @FormParam("userId") String userId){
InnerMethodName.instance.set("addUserToGroup");
JackrabbitSession session = null;
boolean success = false;
try {
if (!isInfraManager() && !isValidGroupForContext(groupId))
throw new UserNotAuthorizedException("only VREManager of the selected VRE can execute this operation");
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
Group group = (Group)usrManager.getAuthorizable(groupId);
User user = (User)usrManager.getAuthorizable(userId);
if (user==null)
throw new InvalidCallParameters("user "+userId+" not exists");
if (group.isMember(user))
throw new InvalidCallParameters("user "+userId+" is already member of group "+groupId);
this.internalAddUserToGroup(session, group, user);
session.save();
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(RepositoryException re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
}finally {
if (session!=null)
session.logout();
}
return success;
}
private boolean internalAddUserToGroup(JackrabbitSession session, Group group, User user) throws RepositoryException, StorageHubException {
boolean success = group.addMember(user);
session.save();
String folderName = group.getPrincipal().getName();
Node folder = groupHandler.getFolderNodeRelatedToGroup(session, folderName);
String userPath = Paths.append(pathUtil.getVREsPath(user.getPrincipal().getName(), session), folderName).toPath();
log.debug("creating folder in user path {} from {}", userPath, folder.getPath() );
session.getWorkspace().clone(session.getWorkspace().getName(), folder.getPath(),userPath , false);
try {
session.getNode(userPath);
log.debug("the new folder exists ({}) ", userPath );
}catch (PathNotFoundException e) {
log.debug("the new folder doesn't exists ({}) ", userPath );
}
return success;
}
@DELETE
@Path("{groupId}/users/{userId}")
@AuthorizationControl(allowedRoles={VREMANAGER_ROLE, INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
public boolean removeUserFromGroup(@PathParam("groupId") String groupId, @PathParam("userId") String userId){
InnerMethodName.instance.set("removeUserFromGroup");
JackrabbitSession session = null;
boolean success = false;
try {
if (!isValidGroupForContext(groupId) && !isInfraManager())
throw new UserNotAuthorizedException("only VREManager of the selected VRE can execute this operation");
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
success = groupHandler.removeUserFromGroup(groupId, userId, session);
session.save();
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(RepositoryException re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
} finally {
if (session!=null)
session.logout();
}
return success;
}
@GET
@Path("{groupId}/users")
@Produces(MediaType.APPLICATION_JSON)
@AuthorizationControl(allowedRoles={VREMANAGER_ROLE, INFRASTRUCTURE_MANAGER_ROLE}, exception=MyAuthException.class)
public List<String> getUsersOfGroup(@PathParam("groupId") String groupId){
InnerMethodName.instance.set("getUsersOfGroup");
JackrabbitSession session = null;
List<String> users = new ArrayList<>();
try {
if (!isValidGroupForContext(groupId) && !isInfraManager())
throw new UserNotAuthorizedException("only VREManager of the selected VRE can execute this operation");
session = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
org.apache.jackrabbit.api.security.user.UserManager usrManager = session.getUserManager();
Group group = (Group)usrManager.getAuthorizable(groupId);
Iterator<Authorizable> it = group.getMembers();
while (it.hasNext()) {
Authorizable user = it.next();
users.add(user.getPrincipal().getName());
}
}catch(StorageHubException she ){
log.error(she.getErrorMessage(), she);
GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
}catch(RepositoryException re ){
log.error("jcr error creating item", re);
GXOutboundErrorResponse.throwException(new BackendGenericError("jcr error creating item", re));
}finally {
if (session!=null)
session.logout();
}
return users;
}
private void createVreFolder(String groupId, JackrabbitSession session, AccessType defaultAccessType, String owner ) throws Exception{
Node sharedRootNode = session.getNode(Constants.SHARED_FOLDER_PATH);
String name = groupId;
String currentScope = ScopeProvider.instance.get();
ScopeBean bean = new ScopeBean(currentScope);
while (!bean.is(Type.INFRASTRUCTURE)) {
bean = bean.enclosingScope();
}
String root = bean.toString().replaceAll("/", "");
String displayName = groupId.replaceAll(root+"-[^\\-]*\\-(.*)", "$1");
log.info("creating vreFolder with name {} and title {} and owner {}", name, displayName, owner);
FolderCreationParameters folderParameters = FolderCreationParameters.builder().name(name).description( "VREFolder for "+groupId).author(owner).on(sharedRootNode.getIdentifier()).with(session).build();
Node folder= Utils.createFolderInternally(folderParameters, null);
folder.setPrimaryType(PrimaryNodeType.NT_WORKSPACE_SHARED_FOLDER);
folder.setProperty(NodeProperty.IS_VRE_FOLDER.toString(), true);
folder.setProperty(NodeProperty.TITLE.toString(), name);
folder.setProperty(NodeProperty.DISPLAY_NAME.toString(), displayName);
session.save();
AccessControlManager acm = session.getAccessControlManager();
JackrabbitAccessControlList acls = AccessControlUtils.getAccessControlList(acm, folder.getPath());
/*Privilege[] adminPrivileges = new Privilege[] { acm.privilegeFromName(AccessType.ADMINISTRATOR.getValue()) };
acls.addAccessControlEntry(AccessControlUtils.getPrincipal(session, AuthorizationProvider.instance.get().getClient().getId()), adminPrivileges );
*/
Privilege[] usersPrivileges = new Privilege[] { acm.privilegeFromName(defaultAccessType.getValue()) };
acls.addAccessControlEntry(AccessControlUtils.getPrincipal(session,groupId), usersPrivileges );
acm.setPolicy(folder.getPath(), acls);
log.debug("vrefolder created with id {}",folder.getIdentifier());
}
private boolean isValidGroupForContext(String group){
String currentContext = ScopeProvider.instance.get();
String expectedGroupId= currentContext.replace("/", "-").substring(1);
return group.equals(expectedGroupId);
}
}