84 lines
2.5 KiB
Java
84 lines
2.5 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 pgp.wkd.cli.command;
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import org.bouncycastle.bcpg.ArmoredOutputStream;
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import pgp.wkd.WKDAddress;
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import pgp.wkd.WKDAddressHelper;
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import pgp.wkd.cli.PGPainlessCertificateParser;
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import pgp.wkd.cli.RuntimeIOException;
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import pgp.wkd.discovery.CertificateDiscoverer;
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import pgp.wkd.discovery.ValidatingCertificateDiscoverer;
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import pgp.wkd.discovery.DiscoveryResult;
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import pgp.wkd.discovery.HttpsUrlConnectionCertificateFetcher;
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import pgp.wkd.exception.MalformedUserIdException;
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import picocli.CommandLine;
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import java.io.IOException;
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import java.io.OutputStream;
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@CommandLine.Command(
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name = "get",
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description = "Get an OpenPGP Certificate via the Web Key Directory"
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)
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public class GetCmd implements Runnable {
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@CommandLine.Parameters(
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index = "0",
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arity = "1",
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paramLabel = "USERID",
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description = "Certificate User-ID"
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)
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String userId;
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@CommandLine.Option(
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names = {"-a", "--armor"},
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description = "ASCII Armor the output"
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)
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boolean armor = false;
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public static final CertificateDiscoverer DEFAULT_DISCOVERER = new ValidatingCertificateDiscoverer(
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new PGPainlessCertificateParser(), new HttpsUrlConnectionCertificateFetcher());
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private static CertificateDiscoverer discoverer = DEFAULT_DISCOVERER;
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@Override
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public void run() {
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WKDAddress address = addressFromUserId(userId);
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DiscoveryResult result = discoverer.discover(address);
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OutputStream outputStream = armor ? new ArmoredOutputStream(System.out) : System.out;
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try {
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result.write(outputStream);
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if (outputStream instanceof ArmoredOutputStream) {
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outputStream.close();
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}
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} catch (IOException e) {
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// we need to wrap the ioe, since run() does not declare it
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throw new RuntimeIOException(e);
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}
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}
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public static void setCertificateDiscoverer(CertificateDiscoverer discoverer) {
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if (discoverer == null) {
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throw new NullPointerException("CertificateDiscoverer cannot be null.");
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}
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GetCmd.discoverer = discoverer;
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}
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private WKDAddress addressFromUserId(String userId) {
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String email;
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try {
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email = WKDAddressHelper.emailFromUserId(userId);
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} catch (MalformedUserIdException e) {
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email = userId;
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}
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return WKDAddress.fromEmail(email);
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}
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}
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