ch.cyberduck.core.cryptomator.CryptoChecksumComputeTest.java Source code

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Here is the source code for ch.cyberduck.core.cryptomator.CryptoChecksumComputeTest.java

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package ch.cyberduck.core.cryptomator;

/*
 * Copyright (c) 2002-2016 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 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.
 */

import ch.cyberduck.core.DisabledPasswordStore;
import ch.cyberduck.core.Host;
import ch.cyberduck.core.NullSession;
import ch.cyberduck.core.Path;
import ch.cyberduck.core.TestProtocol;
import ch.cyberduck.core.cryptomator.features.CryptoChecksumCompute;
import ch.cyberduck.core.cryptomator.random.RandomNonceGenerator;
import ch.cyberduck.core.exception.BackgroundException;
import ch.cyberduck.core.features.Directory;
import ch.cyberduck.core.features.Write;
import ch.cyberduck.core.io.SHA256ChecksumCompute;
import ch.cyberduck.core.transfer.TransferStatus;
import ch.cyberduck.core.vault.VaultCredentials;

import org.apache.commons.io.input.NullInputStream;
import org.cryptomator.cryptolib.api.Cryptor;
import org.junit.Test;

import java.nio.ByteBuffer;
import java.util.EnumSet;

import static org.junit.Assert.*;

public class CryptoChecksumComputeTest {

    @Test
    public void testCompute() throws Exception {
        final Path vault = new Path("/vault", EnumSet.of(Path.Type.directory));
        final NullSession session = new NullSession(new Host(new TestProtocol())) {
            @Override
            @SuppressWarnings("unchecked")
            public <T> T _getFeature(final Class<T> type) {
                if (type == Directory.class) {
                    return (T) new Directory() {

                        @Override
                        public Path mkdir(final Path folder, final String region, final TransferStatus status)
                                throws BackgroundException {
                            assertTrue(folder.equals(vault) || folder.isChild(vault));
                            return folder;
                        }

                        @Override
                        public boolean isSupported(final Path workdir) {
                            return true;
                        }

                        @Override
                        public Directory withWriter(final Write writer) {
                            return this;
                        }
                    };
                }
                return super._getFeature(type);
            }
        };
        final CryptoVault cryptomator = new CryptoVault(vault, new DisabledPasswordStore());
        cryptomator.create(session, null, new VaultCredentials("test"));
        final Cryptor cryptor = cryptomator.getCryptor();
        final ByteBuffer header = cryptor.fileHeaderCryptor().encryptHeader(cryptor.fileHeaderCryptor().create());
        // DEFAULT_PIPE_SIZE=1024
        final Path file = new Path(vault, "f", EnumSet.of(Path.Type.file));
        final SHA256ChecksumCompute sha = new SHA256ChecksumCompute();
        final CryptoChecksumCompute compute = new CryptoChecksumCompute(sha, cryptomator);
        final RandomNonceGenerator nonces = new RandomNonceGenerator();
        assertNotNull(compute.compute(new NullInputStream(1025L),
                new TransferStatus().withHeader(header).withNonces(nonces)).hash);
        assertNotEquals(
                compute.compute(new NullInputStream(1025L),
                        new TransferStatus().withHeader(header).withNonces(nonces)),
                compute.compute(new NullInputStream(1025L),
                        new TransferStatus().withHeader(header).withNonces(nonces)));
        assertNotNull(compute.compute(new NullInputStream(0L),
                new TransferStatus().withHeader(header).withNonces(nonces)).hash);
        final NullInputStream input = new NullInputStream(0L);
        assertEquals(compute.compute(input, new TransferStatus().withHeader(header).withNonces(nonces)),
                compute.compute(input, new TransferStatus().withHeader(header).withNonces(nonces)));
        assertNotEquals(
                compute.compute(new NullInputStream(0L),
                        new TransferStatus().withHeader(header).withNonces(nonces)),
                sha.compute(new NullInputStream(0L), new TransferStatus()));
    }
}