sop-java/external-sop/src/main/java/sop/external/operation/ExtractCertExternal.java

70 lines
1.9 KiB
Java

// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.external.operation;
import sop.Ready;
import sop.exception.SOPGPException;
import sop.operation.ExtractCert;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
public class ExtractCertExternal implements ExtractCert {
private final String binary;
private final Runtime runtime = Runtime.getRuntime();
private boolean noArmor;
public ExtractCertExternal(String binary) {
this.binary = binary;
}
@Override
public ExtractCert noArmor() {
this.noArmor = true;
return this;
}
@Override
public Ready key(InputStream keyInputStream) throws IOException, SOPGPException.BadData {
List<String> commandList = new ArrayList<>();
commandList.add(binary);
commandList.add("extract-cert");
if (noArmor) {
commandList.add("--no-armor");
}
String[] command = commandList.toArray(new String[0]);
try {
Process process = runtime.exec(command);
OutputStream stdOut = process.getOutputStream();
InputStream stdIn = process.getInputStream();
return new Ready() {
@Override
public void writeTo(OutputStream outputStream) throws IOException {
byte[] buf = new byte[4096];
int r;
while ((r = keyInputStream.read(buf)) > 0) {
stdOut.write(buf, 0, r);
}
while ((r = stdIn.read(buf)) > 0) {
outputStream.write(buf, 0 , r);
}
}
};
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}