70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
// SPDX-FileCopyrightText: 2022 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 org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
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import org.bouncycastle.openpgp.PGPRuntimeOperationException;
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import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
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import org.pgpainless.PGPainless;
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import org.pgpainless.key.collection.PGPKeyRingCollection;
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import sop.exception.SOPGPException;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Reader for OpenPGP keys and certificates with error matching according to the SOP spec.
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*/
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class KeyReader {
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static PGPSecretKeyRingCollection readSecretKeys(InputStream keyInputStream, boolean requireContent)
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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 (IOException e) {
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String message = e.getMessage();
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if (message == null) {
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throw e;
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}
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if (message.startsWith("unknown object in stream:") ||
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message.startsWith("invalid header encountered")) {
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throw new SOPGPException.BadData(e);
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}
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throw e;
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}
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if (requireContent && 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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return keys;
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}
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static PGPPublicKeyRingCollection readPublicKeys(InputStream certIn, boolean requireContent)
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throws IOException {
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PGPKeyRingCollection certs;
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try {
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certs = PGPainless.readKeyRing().keyRingCollection(certIn, false);
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} catch (IOException e) {
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String msg = e.getMessage();
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if (msg != null && (msg.startsWith("unknown object in stream:") || msg.startsWith("invalid header encountered"))) {
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throw new SOPGPException.BadData(e);
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}
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throw e;
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} catch (PGPRuntimeOperationException e) {
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throw new SOPGPException.BadData(e);
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}
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if (certs.getPgpSecretKeyRingCollection().size() != 0) {
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throw new SOPGPException.BadData("Secret key components encountered, while certificates were expected.");
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}
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if (requireContent && certs.getPgpPublicKeyRingCollection().size() == 0) {
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throw new SOPGPException.BadData(new PGPException("No cert data found."));
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}
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return certs.getPgpPublicKeyRingCollection();
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}
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}
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