ch.cyberduck.core.b2.B2AuthorizedUrlProvider.java Source code

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Here is the source code for ch.cyberduck.core.b2.B2AuthorizedUrlProvider.java

Source

package ch.cyberduck.core.b2;

/*
 * Copyright (c) 2002-2017 iterate GmbH. All rights reserved.
 * https://cyberduck.io/
 *
 * 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 3 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.
 */

import ch.cyberduck.core.DefaultIOExceptionMappingService;
import ch.cyberduck.core.DescriptiveUrl;
import ch.cyberduck.core.DisabledListProgressListener;
import ch.cyberduck.core.LocaleFactory;
import ch.cyberduck.core.PasswordCallback;
import ch.cyberduck.core.Path;
import ch.cyberduck.core.PathContainerService;
import ch.cyberduck.core.URIEncoder;
import ch.cyberduck.core.UserDateFormatterFactory;
import ch.cyberduck.core.exception.BackgroundException;
import ch.cyberduck.core.exception.UnsupportedException;
import ch.cyberduck.core.features.PromptUrlProvider;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

import java.io.IOException;
import java.net.URI;
import java.text.MessageFormat;
import java.util.Calendar;
import java.util.TimeZone;

import synapticloop.b2.exception.B2ApiException;

public class B2AuthorizedUrlProvider implements PromptUrlProvider<Void, Void> {
    private static final Logger log = Logger.getLogger(B2AuthorizedUrlProvider.class);

    private final PathContainerService containerService = new B2PathContainerService();

    private final B2Session session;

    public B2AuthorizedUrlProvider(final B2Session session) {
        this.session = session;
    }

    @Override
    public DescriptiveUrl toDownloadUrl(final Path file, final Void none, final PasswordCallback callback)
            throws BackgroundException {
        if (file.isVolume()) {
            return DescriptiveUrl.EMPTY;
        }
        if (file.isFile()) {
            final String download = String.format("%s/file/%s/%s", session.getClient().getDownloadUrl(),
                    URIEncoder.encode(containerService.getContainer(file).getName()),
                    URIEncoder.encode(containerService.getKey(file)));
            try {
                final int seconds = 604800;
                // Determine expiry time for URL
                final Calendar expiry = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
                expiry.add(Calendar.SECOND, seconds);
                final String token = session.getClient()
                        .getDownloadAuthorization(new B2FileidProvider(session)
                                .getFileid(containerService.getContainer(file), new DisabledListProgressListener()),
                                StringUtils.EMPTY, seconds);
                return new DescriptiveUrl(URI.create(String.format("%s?Authorization=%s", download, token)),
                        DescriptiveUrl.Type.signed,
                        MessageFormat.format(LocaleFactory.localizedString("{0} URL"),
                                LocaleFactory.localizedString("Pre-Signed", "S3")) + " ("
                                + MessageFormat.format(LocaleFactory.localizedString("Expires {0}", "S3") + ")",
                                        UserDateFormatterFactory.get().getMediumFormat(expiry.getTimeInMillis())));
            } catch (B2ApiException e) {
                throw new B2ExceptionMappingService().map(e);
            } catch (IOException e) {
                throw new DefaultIOExceptionMappingService().map(e);
            }
        }
        return DescriptiveUrl.EMPTY;
    }

    @Override
    public DescriptiveUrl toUploadUrl(final Path file, final Void none, final PasswordCallback callback)
            throws BackgroundException {
        throw new UnsupportedException();
    }
}