102 lines
4.0 KiB
Java
102 lines
4.0 KiB
Java
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package org.pgpainless.sop;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.OutputStream;
|
|
import java.util.ArrayList;
|
|
import java.util.Date;
|
|
import java.util.List;
|
|
|
|
import org.bouncycastle.openpgp.PGPException;
|
|
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
|
|
import org.bouncycastle.util.io.Streams;
|
|
import org.pgpainless.PGPainless;
|
|
import org.pgpainless.decryption_verification.ConsumerOptions;
|
|
import org.pgpainless.decryption_verification.DecryptionStream;
|
|
import org.pgpainless.decryption_verification.MessageMetadata;
|
|
import org.pgpainless.decryption_verification.SignatureVerification;
|
|
import org.pgpainless.exception.MalformedOpenPgpMessageException;
|
|
import org.pgpainless.exception.MissingDecryptionMethodException;
|
|
import sop.ReadyWithResult;
|
|
import sop.Verification;
|
|
import sop.exception.SOPGPException;
|
|
import sop.operation.InlineVerify;
|
|
|
|
/**
|
|
* Implementation of the <pre>inline-verify</pre> operation using PGPainless.
|
|
*/
|
|
public class InlineVerifyImpl implements InlineVerify {
|
|
|
|
private final ConsumerOptions options = ConsumerOptions.get();
|
|
|
|
@Override
|
|
public InlineVerify notBefore(Date timestamp) throws SOPGPException.UnsupportedOption {
|
|
options.verifyNotBefore(timestamp);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public InlineVerify notAfter(Date timestamp) throws SOPGPException.UnsupportedOption {
|
|
options.verifyNotAfter(timestamp);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public InlineVerify cert(InputStream cert) throws SOPGPException.BadData, IOException {
|
|
PGPPublicKeyRingCollection certificates = KeyReader.readPublicKeys(cert, true);
|
|
options.addVerificationCerts(certificates);
|
|
return this;
|
|
}
|
|
|
|
@Override
|
|
public ReadyWithResult<List<Verification>> data(InputStream data) throws SOPGPException.NoSignature, SOPGPException.BadData {
|
|
return new ReadyWithResult<List<Verification>>() {
|
|
@Override
|
|
public List<Verification> writeTo(OutputStream outputStream) throws IOException, SOPGPException.NoSignature {
|
|
DecryptionStream decryptionStream;
|
|
try {
|
|
decryptionStream = PGPainless.decryptAndOrVerify()
|
|
.onInputStream(data)
|
|
.withOptions(options);
|
|
|
|
Streams.pipeAll(decryptionStream, outputStream);
|
|
decryptionStream.close();
|
|
|
|
MessageMetadata metadata = decryptionStream.getMetadata();
|
|
List<Verification> verificationList = new ArrayList<>();
|
|
|
|
List<SignatureVerification> verifications = metadata.isUsingCleartextSignatureFramework() ?
|
|
metadata.getVerifiedDetachedSignatures() :
|
|
metadata.getVerifiedInlineSignatures();
|
|
|
|
for (SignatureVerification signatureVerification : verifications) {
|
|
verificationList.add(map(signatureVerification));
|
|
}
|
|
|
|
if (!options.getCertificateSource().getExplicitCertificates().isEmpty()) {
|
|
if (verificationList.isEmpty()) {
|
|
throw new SOPGPException.NoSignature();
|
|
}
|
|
}
|
|
|
|
return verificationList;
|
|
} catch (MissingDecryptionMethodException e) {
|
|
throw new SOPGPException.BadData("Cannot verify encrypted message.", e);
|
|
} catch (MalformedOpenPgpMessageException | PGPException e) {
|
|
throw new SOPGPException.BadData(e);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
private Verification map(SignatureVerification sigVerification) {
|
|
return new Verification(sigVerification.getSignature().getCreationTime(),
|
|
sigVerification.getSigningKey().getSubkeyFingerprint().toString(),
|
|
sigVerification.getSigningKey().getPrimaryKeyFingerprint().toString());
|
|
}
|
|
}
|