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ed6d9a0df0
When upgrading JGit, the automatic provider declaration was removed. This led to a runtime error where the provider for gpg signatures could not be found. This PR reintegrates the provider setup for the Bouncy Castle GPG Provider.
95 lines
3.4 KiB
Java
95 lines
3.4 KiB
Java
/*
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* MIT License
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*
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* Copyright (c) 2020-present Cloudogu GmbH and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package sonia.scm.security.gpg;
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import org.apache.commons.io.IOUtils;
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import org.bouncycastle.bcpg.ArmoredOutputStream;
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import org.bouncycastle.bcpg.BCPGOutputStream;
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import org.bouncycastle.bcpg.HashAlgorithmTags;
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import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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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.PGPSignature;
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import org.bouncycastle.openpgp.PGPSignatureGenerator;
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import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
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import sonia.scm.security.PrivateKey;
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import javax.validation.constraints.NotNull;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.security.Security;
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class DefaultPrivateKey implements PrivateKey {
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static {
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if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
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Security.addProvider(new BouncyCastleProvider());
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}
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}
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static DefaultPrivateKey parseRaw(String rawPrivateKey) {
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return new DefaultPrivateKey(KeysExtractor.extractPrivateKey(rawPrivateKey));
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}
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private final PGPPrivateKey privateKey;
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private DefaultPrivateKey(@NotNull PGPPrivateKey privateKey) {
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this.privateKey = privateKey;
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}
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@Override
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public String getId() {
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return Keys.createId(privateKey);
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}
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@Override
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public byte[] sign(InputStream stream) {
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PGPSignatureGenerator signatureGenerator = new PGPSignatureGenerator(
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new JcaPGPContentSignerBuilder(
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PublicKeyAlgorithmTags.RSA_GENERAL,
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HashAlgorithmTags.SHA1).setProvider(BouncyCastleProvider.PROVIDER_NAME)
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);
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try {
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signatureGenerator.init(PGPSignature.BINARY_DOCUMENT, privateKey);
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} catch (PGPException e) {
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throw new GPGException("Could not initialize signature generator", e);
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}
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ByteArrayOutputStream buffer = new ByteArrayOutputStream();
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try (BCPGOutputStream out = new BCPGOutputStream(new ArmoredOutputStream(buffer))) {
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signatureGenerator.update(IOUtils.toByteArray(stream));
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signatureGenerator.generate().encode(out);
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} catch (PGPException | IOException e) {
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throw new GPGException("Could not create signature", e);
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}
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return buffer.toByteArray();
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}
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}
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