ch.cyberduck.core.s3.S3LoggingFeature.java Source code

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Here is the source code for ch.cyberduck.core.s3.S3LoggingFeature.java

Source

package ch.cyberduck.core.s3;

/*
 * Copyright (c) 2002-2013 David Kocher. All rights reserved.
 * http://cyberduck.ch/
 *
 * 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.
 *
 * Bug fixes, suggestions and comments should be sent to feedback@cyberduck.ch
 */

import ch.cyberduck.core.DisabledListProgressListener;
import ch.cyberduck.core.Path;
import ch.cyberduck.core.PathContainerService;
import ch.cyberduck.core.exception.AccessDeniedException;
import ch.cyberduck.core.exception.BackgroundException;
import ch.cyberduck.core.exception.InteroperabilityException;
import ch.cyberduck.core.features.Logging;
import ch.cyberduck.core.logging.LoggingConfiguration;
import ch.cyberduck.core.preferences.PreferencesFactory;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.jets3t.service.ServiceException;
import org.jets3t.service.model.S3BucketLoggingStatus;
import org.jets3t.service.model.StorageBucketLoggingStatus;

import java.util.EnumSet;

public class S3LoggingFeature implements Logging {
    private static final Logger log = Logger.getLogger(S3LoggingFeature.class);

    private final S3Session session;

    private final PathContainerService containerService = new S3PathContainerService();

    public S3LoggingFeature(final S3Session session) {
        this.session = session;
    }

    @Override
    public LoggingConfiguration getConfiguration(final Path file) throws BackgroundException {
        final Path bucket = containerService.getContainer(file);
        if (bucket.isRoot()) {
            return LoggingConfiguration.empty();
        }
        try {
            final StorageBucketLoggingStatus status = session.getClient()
                    .getBucketLoggingStatusImpl(bucket.getName());
            final LoggingConfiguration configuration = new LoggingConfiguration(status.isLoggingEnabled(),
                    status.getTargetBucketName());
            try {
                configuration.setContainers(new S3BucketListService(session).list(
                        new Path(String.valueOf(Path.DELIMITER), EnumSet.of(Path.Type.volume, Path.Type.directory)),
                        new DisabledListProgressListener()).toList());
            } catch (AccessDeniedException | InteroperabilityException e) {
                log.warn(String.format("Failure listing buckets. %s", e.getMessage()));
            }
            return configuration;
        } catch (ServiceException e) {
            try {
                throw new S3ExceptionMappingService().map("Failure to read attributes of {0}", e, file);
            } catch (AccessDeniedException | InteroperabilityException l) {
                log.warn(String.format("Missing permission to read logging configuration for %s %s",
                        bucket.getName(), e.getMessage()));
                return LoggingConfiguration.empty();
            }
        }
    }

    @Override
    public void setConfiguration(final Path file, final LoggingConfiguration configuration)
            throws BackgroundException {
        // Logging target bucket
        final Path bucket = containerService.getContainer(file);
        try {
            final S3BucketLoggingStatus status = new S3BucketLoggingStatus(
                    StringUtils.isNotBlank(configuration.getLoggingTarget()) ? configuration.getLoggingTarget()
                            : bucket.getName(),
                    null);
            if (configuration.isEnabled()) {
                status.setLogfilePrefix(PreferencesFactory.get().getProperty("s3.logging.prefix"));
            }
            session.getClient().setBucketLoggingStatus(bucket.getName(), status, true);
        } catch (ServiceException e) {
            throw new S3ExceptionMappingService().map("Failure to write attributes of {0}", e, file);
        }
    }
}