DirectScriptingModule.java

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2011  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.module.direct;

import javax.jcr.Node;
import javax.jcr.Session;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.openkm.bean.Scripting;
import com.openkm.core.AccessDeniedException;
import com.openkm.core.Config;
import com.openkm.core.DatabaseException;
import com.openkm.core.JcrSessionManager;
import com.openkm.core.PathNotFoundException;
import com.openkm.core.RepositoryException;
import com.openkm.jcr.JCRUtils;
import com.openkm.module.ScriptingModule;
import com.openkm.util.UserActivity;

public class DirectScriptingModule implements ScriptingModule {
	private static Logger log = LoggerFactory.getLogger(DirectScriptingModule.class);

	@Override
	public void setScript(String token, String nodePath, String code) throws PathNotFoundException,
			AccessDeniedException, RepositoryException, DatabaseException {
		log.debug("setScript({}, {}, {})", new Object[] { token, nodePath, code });
		Node node = null;
		Node sNode = null;
		Session session = null;
		
		if (Config.SYSTEM_READONLY) {
			throw new AccessDeniedException("System is in read-only mode");
		}

		try {
			if (token == null) {
				session = JCRUtils.getSession();
			} else {
				session = JcrSessionManager.getInstance().get(token);
			}

			if (Config.ADMIN_USER.equals(session.getUserID())) {
				Session systemSession = DirectRepositoryModule.getSystemSession();
				node = session.getRootNode().getNode(nodePath.substring(1));
				sNode = systemSession.getNodeByUUID(node.getUUID());

				// Perform scripting
				sNode.addMixin(Scripting.TYPE);
				sNode.setProperty(Scripting.SCRIPT_CODE, code);
				sNode.save();

				// Activity log
				UserActivity.log(session.getUserID(), "SET_SCRIPT", node.getUUID(), nodePath);
			} else {
				throw new AccessDeniedException("Sorry, only for admin user");
			}
		} catch (javax.jcr.AccessDeniedException e) {
			log.warn(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new AccessDeniedException(e.getMessage(), e);
		} catch (javax.jcr.PathNotFoundException e) {
			log.warn(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new PathNotFoundException(e.getMessage(), e);
		} catch (javax.jcr.RepositoryException e) {
			log.error(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new RepositoryException(e.getMessage(), e);
		} finally {
			if (token == null) JCRUtils.logout(session);
		}

		log.debug("setScript: void");
	}

	@Override
	public void removeScript(String token, String nodePath) throws PathNotFoundException,
			AccessDeniedException, RepositoryException, DatabaseException {
		log.debug("removeScript({}, {})", token, nodePath);
		Node node = null;
		Node sNode = null;
		Session session = null;
		
		if (Config.SYSTEM_READONLY) {
			throw new AccessDeniedException("System is in read-only mode");
		}

		try {
			if (token == null) {
				session = JCRUtils.getSession();
			} else {
				session = JcrSessionManager.getInstance().get(token);
			}

			if (Config.ADMIN_USER.equals(session.getUserID())) {
				Session systemSession = DirectRepositoryModule.getSystemSession();
				node = session.getRootNode().getNode(nodePath.substring(1));
				sNode = systemSession.getNodeByUUID(node.getUUID());

				// Perform scripting
				if (sNode.isNodeType(Scripting.TYPE)) {
					sNode.removeMixin(Scripting.TYPE);
					sNode.save();
				}

				// Activity log
				UserActivity.log(session.getUserID(), "REMOVE_SCRIPT", node.getUUID(), nodePath);
			} else {
				throw new AccessDeniedException("Sorry, only for admin user");
			}
		} catch (javax.jcr.AccessDeniedException e) {
			log.warn(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new AccessDeniedException(e.getMessage(), e);
		} catch (javax.jcr.PathNotFoundException e) {
			log.warn(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new PathNotFoundException(e.getMessage(), e);
		} catch (javax.jcr.RepositoryException e) {
			log.error(e.getMessage(), e);
			JCRUtils.discardsPendingChanges(sNode);
			throw new RepositoryException(e.getMessage(), e);
		} finally {
			if (token == null) JCRUtils.logout(session);
		}

		log.debug("removeScript: void");
	}

	@Override
	public String getScript(String token, String nodePath) throws PathNotFoundException,
			AccessDeniedException, RepositoryException, DatabaseException {
		log.debug("getScript({}, {})", token, nodePath);
		String code = null;
		Session session = null;
		
		try {
			if (token == null) {
				session = JCRUtils.getSession();
			} else {
				session = JcrSessionManager.getInstance().get(token);
			}

			if (Config.ADMIN_USER.equals(session.getUserID())) {
				Node node = session.getRootNode().getNode(nodePath.substring(1));

				if (node.isNodeType(Scripting.TYPE)) {
					code = node.getProperty(Scripting.SCRIPT_CODE).getString();
				}
			} else {
				throw new AccessDeniedException("Sorry, only for admin user");
			}
		} catch (javax.jcr.PathNotFoundException e) {
			log.warn(e.getMessage(), e);
			throw new PathNotFoundException(e.getMessage(), e);
		} catch (javax.jcr.RepositoryException e) {
			log.error(e.getMessage(), e);
			throw new RepositoryException(e.getMessage(), e);
		} finally {
			if (token == null) JCRUtils.logout(session);
		}

		log.debug("getScript: {}", code);
		return code;
	}
}