68 lines
2.0 KiB
Java
68 lines
2.0 KiB
Java
// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.sop;
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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.util.ArrayList;
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import java.util.List;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
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import org.pgpainless.PGPainless;
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import org.pgpainless.util.ArmorUtils;
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import sop.Ready;
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import sop.exception.SOPGPException;
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import sop.operation.ExtractCert;
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public class ExtractCertImpl implements ExtractCert {
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private boolean armor = true;
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@Override
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public ExtractCert noArmor() {
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armor = false;
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return this;
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}
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@Override
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public Ready key(InputStream keyInputStream) throws IOException, SOPGPException.BadData {
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PGPSecretKeyRingCollection keys;
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try {
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keys = PGPainless.readKeyRing().secretKeyRingCollection(keyInputStream);
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} catch (PGPException e) {
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throw new IOException("Cannot read keys.", e);
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}
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if (keys == null || keys.size() == 0) {
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throw new SOPGPException.BadData(new PGPException("No key data found."));
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}
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List<PGPPublicKeyRing> certs = new ArrayList<>();
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for (PGPSecretKeyRing key : keys) {
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PGPPublicKeyRing cert = PGPainless.extractCertificate(key);
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certs.add(cert);
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}
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return new Ready() {
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@Override
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public void writeTo(OutputStream outputStream) throws IOException {
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for (PGPPublicKeyRing cert : certs) {
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OutputStream out = armor ? ArmorUtils.toAsciiArmoredStream(cert, outputStream) : outputStream;
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cert.encode(out);
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if (armor) {
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out.close();
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}
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}
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}
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};
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}
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}
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