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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
97 lines
4.2 KiB
Java
97 lines
4.2 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.tools;
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import static google.registry.model.rde.RdeMode.FULL;
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import com.google.common.io.ByteStreams;
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import google.registry.keyring.api.KeyModule.Key;
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import google.registry.model.rde.RdeNamingUtils;
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import google.registry.rde.RdeUtil;
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import google.registry.rde.RydePgpCompressionOutputStream;
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import google.registry.rde.RydePgpCompressionOutputStreamFactory;
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import google.registry.rde.RydePgpEncryptionOutputStream;
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import google.registry.rde.RydePgpEncryptionOutputStreamFactory;
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import google.registry.rde.RydePgpFileOutputStream;
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import google.registry.rde.RydePgpFileOutputStreamFactory;
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import google.registry.rde.RydePgpSigningOutputStream;
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import google.registry.rde.RydePgpSigningOutputStreamFactory;
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import google.registry.rde.RydeTarOutputStream;
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import google.registry.rde.RydeTarOutputStreamFactory;
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import google.registry.xml.XmlException;
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import org.bouncycastle.bcpg.ArmoredOutputStream;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPKeyPair;
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import org.bouncycastle.openpgp.PGPPublicKey;
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import org.joda.time.DateTime;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import javax.inject.Inject;
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/** Utility for encrypting an RDE RyDE deposit on the Java 7 NIO file system. */
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final class EscrowDepositEncryptor {
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private static final int PEEK_BUFFER_SIZE = 64 * 1024;
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@Inject RydePgpCompressionOutputStreamFactory pgpCompressionFactory;
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@Inject RydePgpEncryptionOutputStreamFactory pgpEncryptionFactory;
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@Inject RydePgpFileOutputStreamFactory pgpFileFactory;
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@Inject RydePgpSigningOutputStreamFactory pgpSigningFactory;
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@Inject RydeTarOutputStreamFactory tarFactory;
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@Inject @Key("rdeSigningKey") PGPKeyPair rdeSigningKey;
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@Inject @Key("rdeReceiverKey") PGPPublicKey rdeReceiverKey;
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@Inject EscrowDepositEncryptor() {}
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/** Creates a {@code .ryde} and {@code .sig} file, provided an XML deposit file. */
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void encrypt(String tld, Path xmlFile, Path outdir)
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throws IOException, PGPException, XmlException {
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try (InputStream xmlFileInput = Files.newInputStream(xmlFile);
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BufferedInputStream xmlInput = new BufferedInputStream(xmlFileInput, PEEK_BUFFER_SIZE)) {
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DateTime watermark = RdeUtil.peekWatermark(xmlInput);
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String name = RdeNamingUtils.makeRydeFilename(tld, watermark, FULL, 1, 0);
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Path rydePath = outdir.resolve(name + ".ryde");
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Path sigPath = outdir.resolve(name + ".sig");
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Path pubPath = outdir.resolve(tld + ".pub");
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PGPKeyPair signingKey = rdeSigningKey;
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try (OutputStream rydeOutput = Files.newOutputStream(rydePath);
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RydePgpSigningOutputStream signLayer =
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pgpSigningFactory.create(rydeOutput, signingKey)) {
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try (RydePgpEncryptionOutputStream encryptLayer =
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pgpEncryptionFactory.create(signLayer, rdeReceiverKey);
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RydePgpCompressionOutputStream compressLayer =
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pgpCompressionFactory.create(encryptLayer);
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RydePgpFileOutputStream fileLayer =
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pgpFileFactory.create(compressLayer, watermark, name + ".tar");
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RydeTarOutputStream tarLayer =
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tarFactory.create(fileLayer, Files.size(xmlFile), watermark, name + ".xml")) {
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ByteStreams.copy(xmlInput, tarLayer);
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}
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Files.write(sigPath, signLayer.getSignature());
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try (OutputStream pubOutput = Files.newOutputStream(pubPath);
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ArmoredOutputStream ascOutput = new ArmoredOutputStream(pubOutput)) {
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signingKey.getPublicKey().encode(ascOutput);
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}
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}
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}
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}
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}
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