001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.http.api.repository;
019
020import static java.util.stream.Collectors.joining;
021import static javax.ws.rs.core.Response.noContent;
022import static javax.ws.rs.core.Response.serverError;
023import static org.slf4j.LoggerFactory.getLogger;
024
025import java.io.File;
026import java.io.IOException;
027import java.io.InputStream;
028import java.util.Collection;
029
030import javax.inject.Inject;
031import javax.ws.rs.POST;
032import javax.ws.rs.Path;
033import javax.ws.rs.WebApplicationException;
034import javax.ws.rs.core.Response;
035
036import org.apache.commons.io.IOUtils;
037import org.fcrepo.http.commons.AbstractResource;
038import org.fcrepo.http.commons.session.HttpSession;
039import org.fcrepo.kernel.api.services.RepositoryService;
040import org.slf4j.Logger;
041import org.springframework.context.annotation.Scope;
042
043/**
044 * Restore a backup of the repository
045 *
046 * @author cbeer
047 */
048@Scope("prototype")
049@Path("/fcr:restore")
050@Deprecated
051public class FedoraRepositoryRestore extends AbstractResource {
052
053    private static final Logger LOGGER = getLogger(FedoraRepositoryRestore.class);
054
055    @Inject
056    protected HttpSession session;
057
058    /**
059     * The fcrepo repository service
060     */
061    @Inject
062    protected RepositoryService repositoryService;
063
064    /**
065     * This method runs a repository restore.
066     *
067     * @param bodyStream the body stream
068     * @return response
069     * @throws IOException if IO exception occurred
070     */
071    @POST
072    public Response runRestore(final InputStream bodyStream) throws IOException {
073
074        if (null == bodyStream) {
075            throw new WebApplicationException(serverError().entity(
076                    "Request body must not be null").build());
077        }
078
079        final String body = IOUtils.toString(bodyStream);
080        final File backupDirectory = new File(body.trim());
081        if (!backupDirectory.exists()) {
082            throw new WebApplicationException(serverError().entity(
083                    "Backup directory does not exist: "
084                            + backupDirectory.getAbsolutePath()).build());
085        }
086
087        final Collection<Throwable> problems = repositoryService.restoreRepository(session.getFedoraSession(),
088                backupDirectory);
089        if (!problems.isEmpty()) {
090            LOGGER.error("Problems restoring up the repository:");
091
092            // Report the problems (we'll just print them out) ...
093            final String problemsOutput = problems.stream().map(Throwable::getMessage).peek(LOGGER::error)
094                    .collect(joining("\n"));
095
096            throw new WebApplicationException(serverError()
097                    .entity(problemsOutput).build());
098
099        }
100        return noContent()
101            .header("Warning", "This endpoint will be moving to an extension module in a future release of Fedora")
102            .build();
103
104    }
105}