pgpainless/pgpainless-sop/src/main/java/org/pgpainless/sop/DetachInbandSignatureAndMes...

70 lines
2.6 KiB
Java

/*
* Copyright 2021 Paul Schaub.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.pgpainless.sop;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.bouncycastle.bcpg.ArmoredOutputStream;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureList;
import org.pgpainless.signature.cleartext_signatures.ClearsignedMessageUtil;
import org.pgpainless.util.ArmoredOutputStreamFactory;
import sop.ReadyWithResult;
import sop.Signatures;
import sop.exception.SOPGPException;
import sop.operation.DetachInbandSignatureAndMessage;
public class DetachInbandSignatureAndMessageImpl implements DetachInbandSignatureAndMessage {
private boolean armor = true;
@Override
public DetachInbandSignatureAndMessage noArmor() {
this.armor = false;
return this;
}
@Override
public ReadyWithResult<Signatures> message(InputStream messageInputStream) {
return new ReadyWithResult<Signatures>() {
@Override
public Signatures writeTo(OutputStream messageOutputStream) throws SOPGPException.NoSignature {
return new Signatures() {
@Override
public void writeTo(OutputStream signatureOutputStream) throws IOException {
PGPSignatureList signatures = ClearsignedMessageUtil.detachSignaturesFromInbandClearsignedMessage(messageInputStream, messageOutputStream);
if (armor) {
ArmoredOutputStream armorOut = ArmoredOutputStreamFactory.get(signatureOutputStream);
for (PGPSignature signature : signatures) {
signature.encode(armorOut);
}
armorOut.close();
} else {
for (PGPSignature signature : signatures) {
signature.encode(signatureOutputStream);
}
}
}
};
}
};
}
}