75 lines
2.3 KiB
Java
75 lines
2.3 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.vks.client.cli;
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import pgp.vks.client.Get;
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import pgp.vks.client.VKS;
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import picocli.CommandLine;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.MalformedURLException;
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@CommandLine.Command(name = "get", description = "Retrieve an OpenPGP certificate from the key server")
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public class GetCmd implements Runnable {
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@CommandLine.Mixin
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VKSCLI.KeyServerMixin keyServerMixin;
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@CommandLine.ArgGroup(exclusive = true, multiplicity = "1")
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Exclusive by;
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static class Exclusive {
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@CommandLine.Option(names = {"-f", "--by-fingerprint"}, description = "Retrieve a key by its fingerprint (NOT prefixed with '0x')")
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String fingerprint;
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@CommandLine.Option(names = {"-i", "--by-keyid"}, description = "Retrieve a key by its decimal key ID or that of one of its subkeys.")
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Long keyId;
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@CommandLine.Option(names = {"-e", "--by-email"}, description = "Retrieve a key by email address.")
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String email;
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}
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public void run() {
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VKS vks;
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try {
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vks = keyServerMixin.parent.getApi();
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} catch (MalformedURLException e) {
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throw new AssertionError(e);
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}
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Get get = vks.get();
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InputStream inputStream = null;
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try {
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if (by.fingerprint != null) {
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inputStream = get.byFingerprint(by.fingerprint);
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} else if (by.keyId != null) {
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inputStream = get.byKeyId(by.keyId);
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} else if (by.email != null) {
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inputStream = get.byEmail(by.email);
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} else {
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throw new IllegalArgumentException("Missing --by-* option.");
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}
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int read;
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byte[] buf = new byte[4096];
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while ((read = inputStream.read(buf)) != -1) {
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System.out.write(buf, 0, read);
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}
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} catch (IOException e) {
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throw new AssertionError(e);
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} finally {
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if (inputStream != null) {
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try {
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inputStream.close();
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} catch (IOException e) {
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throw new AssertionError(e);
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}
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}
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}
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}
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}
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