home-cert-assistant/src/main/java/de/mlessmann/certassist/openssl/OpenSSLCertificateCreator.java

62 lines
2.1 KiB
Java

package de.mlessmann.certassist.openssl;
import de.mlessmann.certassist.ExecutableResolver;
import de.mlessmann.certassist.except.UnresolvableCLIDependency;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.slf4j.LoggerFactory.getLogger;
@Service
public class OpenSSLCertificateCreator {
private static final Logger LOGGER = getLogger(OpenSSLCertificateCreator.class);
private final ExecutableResolver executableResolver;
@Autowired
public OpenSSLCertificateCreator(ExecutableResolver executableResolver) {
this.executableResolver = executableResolver;
}
public void createCertificate(CertificateRequest request) {
Path tmpDir;
try {
tmpDir = Files.createTempDirectory("certassist");
} catch (IOException e) {
LOGGER.atError()
.log("Could not create temp directory for openssl generator!", e);
return;
}
try {
createKeyfile(request, tmpDir);
} catch (IOException | InterruptedException e) {
LOGGER.atError()
.log(e.getMessage());
} catch (UnresolvableCLIDependency e) {
LOGGER.atError()
.log(e.getMessage());
}
}
private Path createKeyfile(CertificateRequest request, Path tmpDir) throws UnresolvableCLIDependency, IOException, InterruptedException {
Path keyFile = tmpDir.resolve("root.key").toAbsolutePath();
LOGGER.atDebug().log("Creating root certificate key at: {}", keyFile);
String openSSLPath = executableResolver.getOpenSSLPath();
Process createRootKeyProc = new ProcessBuilder()
.command(openSSLPath, "req", "genrsa", "-des3", "-out", keyFile.toString(),
Integer.toString(request.getRequestedKeyLength()))
.inheritIO()
.start();
createRootKeyProc.waitFor();
return keyFile;
}
}