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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.
72 lines
2.6 KiB
Java
72 lines
2.6 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.rde;
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import static com.google.common.base.Preconditions.checkArgument;
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import static org.bouncycastle.openpgp.PGPLiteralData.BINARY;
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import com.google.auto.factory.AutoFactory;
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import com.google.auto.factory.Provided;
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import google.registry.config.ConfigModule.Config;
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import google.registry.util.ImprovedOutputStream;
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import org.bouncycastle.openpgp.PGPLiteralDataGenerator;
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import org.joda.time.DateTime;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.annotation.WillNotClose;
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/**
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* OpenPGP literal data layer generator that wraps {@link OutputStream}.
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*
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* <p>OpenPGP messages are like an onion; there can be many layers like compression and encryption.
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* It's important to wrap out plaintext in a literal data layer such as this so the code that's
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* unwrapping the onion knows when to stop.
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*
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* <p>According to escrow spec, the PGP message should contain a single tar file.
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*/
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@AutoFactory(allowSubclasses = true)
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public class RydePgpFileOutputStream extends ImprovedOutputStream {
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/**
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* Creates a new instance for a particular file.
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*
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* @param os is the upstream {@link OutputStream} which is not closed by this object
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* @throws IllegalArgumentException if {@code filename} isn't a {@code .tar} file
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* @throws RuntimeException to rethrow {@link IOException}
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*/
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public RydePgpFileOutputStream(
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@Provided @Config("rdeRydeBufferSize") Integer bufferSize,
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@WillNotClose OutputStream os,
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DateTime modified,
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String filename) {
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super(createDelegate(bufferSize, os, modified, filename));
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}
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private static OutputStream
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createDelegate(int bufferSize, OutputStream os, DateTime modified, String filename) {
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try {
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checkArgument(filename.endsWith(".tar"),
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"Ryde PGP message should contain a tar file.");
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return new PGPLiteralDataGenerator().open(
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os, BINARY, filename, modified.toDate(), new byte[bufferSize]);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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