AbstractFedoraManager.java

/**
 * Copyright 2008 The University of North Carolina at Chapel Hill
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package edu.unc.lib.dl.cdr.sword.server.managers;

import org.apache.commons.io.IOUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.swordapp.server.AuthCredentials;

import edu.unc.lib.dl.acl.service.AccessControlService;
import edu.unc.lib.dl.acl.util.AccessGroupSet;
import edu.unc.lib.dl.acl.util.GroupsThreadStore;
import edu.unc.lib.dl.acl.util.ObjectAccessControlsBean;
import edu.unc.lib.dl.acl.util.Permission;
import edu.unc.lib.dl.cdr.sword.server.SwordConfigurationImpl;
import edu.unc.lib.dl.fedora.AccessClient;
import edu.unc.lib.dl.fedora.DatastreamPID;
import edu.unc.lib.dl.fedora.PID;
import edu.unc.lib.dl.util.TripleStoreQueryService;

/**
 * 
 * @author bbpennel
 * 
 */
public abstract class AbstractFedoraManager {
	private static Logger LOG = Logger.getLogger(AbstractFedoraManager.class);

	@Autowired
	protected AccessClient accessClient;
	@Autowired
	protected TripleStoreQueryService tripleStoreQueryService;
	@Autowired
	protected String swordPath;
	protected PID collectionsPidObject;
	@Autowired
	protected AccessControlService aclService;

	public void init() {
		collectionsPidObject = this.tripleStoreQueryService.fetchByRepositoryPath("/Collections");
	}

	protected String readFileAsString(String filePath) throws java.io.IOException {
		LOG.debug("Loading path file " + filePath);
		try(java.io.InputStream inStream = this.getClass().getResourceAsStream(filePath)) {
			return IOUtils.toString(inStream);
		}
	}

	protected PID extractPID(String uri, String basePath) {
		String pidString = null;
		int pidIndex = uri.indexOf(basePath);
		if (pidIndex > -1) {
			pidString = uri.substring(pidIndex + basePath.length());
		}

		PID targetPID = null;
		if (pidString.trim().length() == 0) {
			targetPID = collectionsPidObject;
		} else {
			targetPID = new DatastreamPID(pidString);
		}
		return targetPID;
	}

	protected boolean hasAccess(AuthCredentials auth, PID pid, Permission permission, SwordConfigurationImpl config) {
		if (config.getAdminDepositor() != null && config.getAdminDepositor().equals(auth.getUsername()))
			return true;
		ObjectAccessControlsBean aclBean = aclService.getObjectAccessControls(pid);
		AccessGroupSet groups = GroupsThreadStore.getGroups();
		
		return aclBean.hasPermission(groups, permission);
	}

	public AccessClient getAccessClient() {
		return accessClient;
	}

	public void setAccessClient(AccessClient accessClient) {
		this.accessClient = accessClient;
	}

	public TripleStoreQueryService getTripleStoreQueryService() {
		return tripleStoreQueryService;
	}

	public void setTripleStoreQueryService(TripleStoreQueryService tripleStoreQueryService) {
		this.tripleStoreQueryService = tripleStoreQueryService;
	}

	public PID getCollectionsPidObject() {
		return collectionsPidObject;
	}

	public String getSwordPath() {
		return swordPath;
	}

	public void setSwordPath(String swordPath) {
		this.swordPath = swordPath;
	}

	public void setAclService(AccessControlService aclService) {
		this.aclService = aclService;
	}
}