Initial commit

sop-java-picocli/src/main/java/sop/cli/picocli/commands/ExtractCertCmd.java

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.cli.picocli.commands;
+
+import java.io.IOException;
+
+import picocli.CommandLine;
+import sop.Ready;
+import sop.cli.picocli.SopCLI;
+import sop.exception.SOPGPException;
+import sop.operation.ExtractCert;
+
+@CommandLine.Command(name = "extract-cert",
+        description = "Extract a public key certificate from a secret key from standard input",
+        exitCodeOnInvalidInput = 37)
+public class ExtractCertCmd implements Runnable {
+
+    @CommandLine.Option(names = "--no-armor",
+            description = "ASCII armor the output",
+            negatable = true)
+    boolean armor = true;
+
+    @Override
+    public void run() {
+        ExtractCert extractCert = SopCLI.getSop().extractCert();
+        if (extractCert == null) {
+            throw new SOPGPException.UnsupportedSubcommand("Command 'extract-cert' not implemented.");
+        }
+
+        if (!armor) {
+            extractCert.noArmor();
+        }
+
+        try {
+            Ready ready = extractCert.key(System.in);
+            ready.writeTo(System.out);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        } catch (SOPGPException.BadData badData) {
+            throw new SOPGPException.BadData("Standard Input does not contain valid OpenPGP private key material.", badData);
+        }
+    }
+}