Examples of org.exist.storage.DBBroker

org.exist.storage.DBBroker
This is the base class for all database backends. All the basic database operations like storing, removing or index access are provided by subclasses of this class. @author Wolfgang Meier

      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public void setPermissions(java.lang.String sessionId, XmldbURI resource, java.lang.String owner, java.lang.String ownerGroup, int permissions) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        Collection collection = null;
        DocumentImpl doc = null;
        final TransactionManager transact = pool.getTransactionManager();
        final Txn transaction = transact.beginTransaction();
        try {
            broker = pool.get(session.getUser());
            final org.exist.security.SecurityManager manager = pool.getSecurityManager();
            collection = broker.openCollection(resource, Lock.WRITE_LOCK);
            if (collection == null) {
                // TODO check XML/Binary resource
                doc = broker.getXMLResource(resource, Lock.WRITE_LOCK);
                if (doc == null)
                    {throw new RemoteException("document or collection "
                            + resource + " not found");}
                LOG.debug("changing permissions on document " + resource);
                final Permission perm = doc.getPermissions();
                if (perm.getOwner().equals(session.getUser())
                || manager.hasAdminPrivileges(session.getUser())) {
                    if (owner != null) {
                        perm.setOwner(owner);
                        perm.setGroup(ownerGroup);
                    }
                    perm.setMode(permissions);
// TODO check XML/Binary resource
//                    broker.storeDocument(transaction, doc);
                    broker.storeXMLResource(transaction, doc);
                    transact.commit(transaction);
                    broker.flush();
                    return;
//                    return true;
                }
                transact.abort(transaction);
                throw new PermissionDeniedException("not allowed to change permissions");
            }
            LOG.debug("changing permissions on collection " + resource);
            final Permission perm = collection.getPermissionsNoLock();
            if (perm.getOwner().equals(session.getUser())
            || manager.hasAdminPrivileges(session.getUser())) {
                perm.setMode(permissions);
                if (owner != null) {
                    perm.setOwner(owner);
                    perm.setGroup(ownerGroup);
                }
                transaction.registerLock(collection.getLock(), Lock.WRITE_LOCK);
                broker.saveCollection(transaction, collection);
                transact.commit(transaction);
                broker.flush();
                return;
            }
            transact.abort(transaction);
            throw new PermissionDeniedException("not allowed to change permissions");
        } catch (final IOException e) {

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    private void moveOrCopyResource(String sessionId, XmldbURI docPath, XmldbURI destinationPath,
            XmldbURI newName, boolean move)
            throws RemoteException {
        final TransactionManager transact = pool.getTransactionManager();
        final Txn transaction = transact.beginTransaction();
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        Collection collection = null;
        Collection destination = null;
        DocumentImpl doc = null;
        try {
            broker = pool.get(session.getUser());
            final XmldbURI collectionUri = docPath.removeLastSegment();
            final XmldbURI docUri = docPath.lastSegment();
            if (collectionUri==null || docUri==null) {
                transact.abort(transaction);
                throw new EXistException("Illegal document path");
            }
            collection = broker.openCollection(collectionUri, move ? Lock.WRITE_LOCK : Lock.READ_LOCK);
            if (collection == null) {
                transact.abort(transaction);
                throw new RemoteException("Collection " + collectionUri
                        + " not found");
            }
            doc = collection.getDocumentWithLock(broker, docUri, Lock.WRITE_LOCK);
            if(doc == null) {
                transact.abort(transaction);
                throw new RemoteException("Document " + docUri + " not found");
            }
            
            // get destination collection
            destination = broker.openCollection(destinationPath, Lock.WRITE_LOCK);
            if(destination == null) {
                transact.abort(transaction);
                throw new RemoteException("Destination collection " + destinationPath + " not found");
            }
            if(move)
// TODO check XML/Binary resource
//                broker.moveResource(transaction, doc, destination, newName);
                {broker.moveResource(transaction, doc, destination, newName);}
            else
// TODO check XML/Binary resource
//                broker.copyResource(transaction, doc, destination, newName);
                {broker.copyResource(transaction, doc, destination, newName);}
            transact.commit(transaction);
//            documentCache.clear();
            return;
        } catch (final LockException e) {
            transact.abort(transaction);

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    private boolean moveOrCopyCollection(String sessionId, XmldbURI collectionPath, XmldbURI destinationPath,
        XmldbURI newName, boolean move)
            throws EXistException, PermissionDeniedException, RemoteException {
        final TransactionManager transact = pool.getTransactionManager();
        final Txn transaction = transact.beginTransaction();
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        Collection collection = null;
        Collection destination = null;
        try {
            final Subject user = session.getUser();
            broker = pool.get(user);
            // get source document
            collection = broker.openCollection(collectionPath, move ? Lock.WRITE_LOCK : Lock.READ_LOCK);
            if (collection == null) {
                transact.abort(transaction);
                throw new EXistException("Collection " + collectionPath
                        + " not found");
            }
            // get destination collection
            destination = broker.openCollection(destinationPath, Lock.WRITE_LOCK);
            if(destination == null) {
                transact.abort(transaction);
                throw new EXistException("Destination collection " + destinationPath + " not found");
            }
            if(move)
                {broker.moveCollection(transaction, collection, destination, newName);}
            else
                {broker.copyCollection(transaction, collection, destination, newName);}
            transact.commit(transaction);
//            documentCache.clear();
            return true;
        } catch (final IOException e) {
          transact.abort(transaction);

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        final org.exist.security.SecurityManager manager = pool.getSecurityManager();
        if(name.equals(org.exist.security.SecurityManager.GUEST_USER) && (!manager.hasAdminPrivileges(user))) {
            throw new RemoteException("guest user cannot be modified");
        }
        
        DBBroker broker = null;
        try {
            broker = pool.get(user);


        Account u;
        if(!manager.hasAccount(name)) {

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    @Override
    public org.exist.soap.UserDesc getUser(java.lang.String sessionId, java.lang.String user) throws java.rmi.RemoteException {
        final Session session = getSession(sessionId);
        
        DBBroker broker = null;
        try {
            broker = pool.get(session.getUser());


          final Account u = pool.getSecurityManager().getAccount(user);
          if (u == null)

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                .getSecurityManager();
        if (!manager.hasAdminPrivileges(user))
            {throw new RemoteException(
                    "you are not allowed to remove users");}
        
        DBBroker broker = null;
        try {
          broker = pool.get(user);
          
            manager.deleteAccount(name);
        } catch (final Exception e) {

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      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public void lockResource(java.lang.String sessionId, XmldbURI path, java.lang.String userName) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        DocumentImpl doc = null;
        final TransactionManager transact = pool.getTransactionManager();
        final Txn transaction = transact.beginTransaction();
        try {
            broker = pool.get(user);
// TODO check XML/Binary resource
//            doc = (DocumentImpl) broker.openDocument(path, Lock.WRITE_LOCK);
            doc = broker.getXMLResource(path, Lock.WRITE_LOCK);
            if (doc == null) {
                throw new EXistException("Resource "
                        + path + " not found");
            }
            if (!doc.getPermissions().validate(user, Permission.WRITE))
                {throw new PermissionDeniedException("User is not allowed to lock resource " + path);}
            
            final org.exist.security.SecurityManager manager = pool.getSecurityManager();
            if (!(userName.equals(user.getName()) || manager.hasAdminPrivileges(user)))
                {throw new PermissionDeniedException("User " + user.getName() + " is not allowed " +
                        "to lock the resource for user " + userName);}
            final Account lockOwner = doc.getUserLock();
            if(lockOwner != null && (!lockOwner.equals(user)) && (!manager.hasAdminPrivileges(user)))
                {throw new PermissionDeniedException("Resource is already locked by user " +
                        lockOwner.getName());}
            final Account lo = manager.getAccount(userName);
            doc.setUserLock(lo);
// TODO check XML/Binary resource
//            broker.storeDocument(transaction, doc);
            broker.storeXMLResource(transaction, doc);
            transact.commit(transaction);
            return;
        } catch (final Exception e) {
            transact.abort(transaction);
            throw new RemoteException(e.getMessage());

View Full Code Here

      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public void unlockResource(java.lang.String sessionId, XmldbURI path) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        DocumentImpl doc = null;
        final TransactionManager transact = pool.getTransactionManager();
        Txn transaction = null;
        try {
            broker = pool.get(user);
            // TODO check XML/Binary resource
            doc = broker.getXMLResource(path, Lock.WRITE_LOCK);
            if (doc == null)
                {throw new EXistException("Resource "
                        + path + " not found");}
            if (!doc.getPermissions().validate(user, Permission.WRITE))
                {throw new PermissionDeniedException("User is not allowed to lock resource " + path);}
            final org.exist.security.SecurityManager manager = pool.getSecurityManager();
            final Account lockOwner = doc.getUserLock();
            if(lockOwner != null && (!lockOwner.equals(user)) && (!manager.hasAdminPrivileges(user)))
                {throw new PermissionDeniedException("Resource is already locked by user " +
                        lockOwner.getName());}
            transaction = transact.beginTransaction();
            doc.setUserLock(null);
// TODO check XML/Binary resource
//            broker.storeDocument(transaction, doc);
            broker.storeXMLResource(transaction, doc);
            transact.commit(transaction);
            return;
        } catch (final Exception ex){
            transact.abort(transaction);
            throw new RemoteException(ex.getMessage());

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      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public java.lang.String hasUserLock(java.lang.String sessionId, XmldbURI path) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        DocumentImpl doc = null;
        try {
            broker = pool.get(user);
// TODO check XML/Binary resource
//            doc = (DocumentImpl) broker.openDocument(path, Lock.READ_LOCK);
            doc = broker.getXMLResource(path, Lock.READ_LOCK);
            if (doc == null)
                {throw new EXistException("Resource "
                        + path + " not found");}
            if(!doc.getPermissions().validate(user, Permission.READ))
                {throw new PermissionDeniedException("Insufficient privileges to read resource");}

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      } catch(final URISyntaxException e) {
        throw new RemoteException("Invalid collection URI",e);
      }
    }
    public org.exist.soap.Permissions getPermissions(java.lang.String sessionId, XmldbURI resource) throws java.rmi.RemoteException {
        DBBroker broker = null;
        final Session session = getSession(sessionId);
        final Subject user = session.getUser();
        try {
            broker = pool.get(user);
            Collection collection = null;
            try {
              collection = broker.openCollection(resource, Lock.READ_LOCK);
              Permission perm = null;
              if (collection == null) {
          // TODO check XML/Binary resource
          // DocumentImpl doc = (DocumentImpl) broker.openDocument(resource, Lock.READ_LOCK);
                DocumentImpl doc = null;
                try {
                    doc = broker.getXMLResource(resource, Lock.READ_LOCK);
                    if (doc == null)
                        {throw new EXistException("document or collection " + resource + " not found");}
                    perm = doc.getPermissions();
                } finally {
                  if (doc != null)

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