mirror of
https://github.com/google/nomulus.git
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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.
125 lines
4.3 KiB
Java
125 lines
4.3 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 com.google.common.base.Preconditions.checkArgument;
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import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
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import static org.joda.time.DateTimeZone.UTC;
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import com.google.common.io.ByteStreams;
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import com.beust.jcommander.Parameter;
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import com.beust.jcommander.Parameters;
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import google.registry.keyring.api.KeyModule.Key;
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import google.registry.rde.Ghostryde;
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import google.registry.tools.params.PathParameter;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPrivateKey;
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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.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 java.nio.file.Paths;
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import java.nio.file.attribute.FileTime;
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import javax.inject.Inject;
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/** Command to encrypt/decrypt {@code .ghostryde} files. */
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@Parameters(separators = " =", commandDescription = "Encrypt/decrypt a ghostryde file.")
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final class GhostrydeCommand implements Command {
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@Parameter(
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names = {"-e", "--encrypt"},
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description = "Encrypt mode.")
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private boolean encrypt;
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@Parameter(
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names = {"-d", "--decrypt"},
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description = "Decrypt mode.")
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private boolean decrypt;
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@Parameter(
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names = {"-i", "--input"},
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description = "Input file.",
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validateWith = PathParameter.InputFile.class)
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private Path input = Paths.get("/dev/stdin");
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@Parameter(
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names = {"-o", "--output"},
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description = "Output file. If this is a directory, then in --encrypt mode, the output "
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+ "filename will be the input filename with '.ghostryde' appended, and in --decrypt "
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+ "mode, the output filename will be determined based on the name stored within the "
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+ "archive.",
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validateWith = PathParameter.class)
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private Path output = Paths.get("/dev/stdout");
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@Inject
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Ghostryde ghostryde;
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@Inject
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@Key("rdeStagingEncryptionKey")
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PGPPublicKey rdeStagingEncryptionKey;
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@Inject
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@Key("rdeStagingDecryptionKey")
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PGPPrivateKey rdeStagingDecryptionKey;
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@Override
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public final void run() throws Exception {
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checkArgument(encrypt ^ decrypt, "Please specify either --encrypt or --decrypt");
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if (encrypt) {
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runEncrypt();
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} else {
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runDecrypt();
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}
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}
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private void runEncrypt() throws IOException, PGPException {
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Path outFile = Files.isDirectory(output)
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? output.resolve(input.getFileName() + ".ghostryde")
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: output;
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try (OutputStream out = Files.newOutputStream(outFile);
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Ghostryde.Encryptor encryptor =
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ghostryde.openEncryptor(out, rdeStagingEncryptionKey);
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Ghostryde.Compressor kompressor = ghostryde.openCompressor(encryptor);
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Ghostryde.Output ghostOutput =
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ghostryde.openOutput(kompressor, input.getFileName().toString(),
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new DateTime(Files.getLastModifiedTime(input).toMillis(), UTC));
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InputStream in = Files.newInputStream(input)) {
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ByteStreams.copy(in, ghostOutput);
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}
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}
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private void runDecrypt() throws IOException, PGPException {
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try (InputStream in = Files.newInputStream(input);
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Ghostryde.Decryptor decryptor =
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ghostryde.openDecryptor(in, rdeStagingDecryptionKey);
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Ghostryde.Decompressor decompressor = ghostryde.openDecompressor(decryptor);
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Ghostryde.Input ghostInput = ghostryde.openInput(decompressor)) {
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Path outFile = Files.isDirectory(output)
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? output.resolve(ghostInput.getName())
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: output;
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Files.copy(ghostInput, outFile, REPLACE_EXISTING);
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Files.setLastModifiedTime(outFile,
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FileTime.fromMillis(ghostInput.getModified().getMillis()));
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}
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}
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}
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