Kotlin conversion: SignCmd

sop-java-picocli/src/main/kotlin/sop/cli/picocli/commands/SignCmd.kt

@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: 2023 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.cli.picocli.SopCLI
+import sop.enums.SignAs
+import sop.exception.SOPGPException
+import sop.exception.SOPGPException.BadData
+import sop.exception.SOPGPException.KeyIsProtected
+
+@Command(
+    name = "sign",
+    resourceBundle = "msg_detached-sign",
+    exitCodeOnInvalidInput = SOPGPException.UnsupportedOption.EXIT_CODE)
+class SignCmd : AbstractSopCmd() {
+
+    @Option(names = ["--no-armor"], negatable = true) var armor: Boolean = true
+
+    @Option(names = ["--as"], paramLabel = "{binary|text}") var type: SignAs? = null
+
+    @Parameters(paramLabel = "KEYS") var secretKeyFile: List<String> = listOf()
+
+    @Option(names = ["--with-key-password"], paramLabel = "PASSWORD")
+    var withKeyPassword: List<String> = listOf()
+
+    @Option(names = ["--micalg-out"], paramLabel = "MICALG") var micAlgOut: String? = null
+
+    override fun run() {
+        val detachedSign = throwIfUnsupportedSubcommand(SopCLI.getSop().detachedSign(), "sign")
+
+        throwIfOutputExists(micAlgOut)
+        throwIfEmptyParameters(secretKeyFile, "KEYS")
+
+        try {
+            type?.let { detachedSign.mode(it) }
+        } catch (unsupported: SOPGPException.UnsupportedOption) {
+            val errorMsg =
+                getMsg("sop.error.feature_support.option_not_supported", "--with-key-password")
+            throw SOPGPException.UnsupportedOption(errorMsg, unsupported)
+        } catch (ioe: IOException) {
+            throw RuntimeException(ioe)
+        }
+
+        withKeyPassword.forEach { passIn ->
+            try {
+                val password = stringFromInputStream(getInput(passIn))
+                detachedSign.withKeyPassword(password)
+            } catch (unsupported: SOPGPException.UnsupportedOption) {
+                val errorMsg =
+                    getMsg("sop.error.feature_support.option_not_supported", "--with-key-password")
+                throw SOPGPException.UnsupportedOption(errorMsg, unsupported)
+            } catch (e: IOException) {
+                throw RuntimeException(e)
+            }
+        }
+
+        secretKeyFile.forEach { keyIn ->
+            try {
+                getInput(keyIn).use { input -> detachedSign.key(input) }
+            } catch (ioe: IOException) {
+                throw RuntimeException(ioe)
+            } catch (keyIsProtected: KeyIsProtected) {
+                val errorMsg = getMsg("sop.error.runtime.cannot_unlock_key", keyIn)
+                throw KeyIsProtected(errorMsg, keyIsProtected)
+            } catch (badData: BadData) {
+                val errorMsg = getMsg("sop.error.input.not_a_private_key", keyIn)
+                throw BadData(errorMsg, badData)
+            }
+        }
+
+        if (!armor) {
+            detachedSign.noArmor()
+        }
+
+        try {
+            val ready = detachedSign.data(System.`in`)
+            val result = ready.writeTo(System.out)
+
+            if (micAlgOut != null) {
+                getOutput(micAlgOut).use { result.micAlg.writeTo(it) }
+            }
+        } catch (e: IOException) {
+            throw java.lang.RuntimeException(e)
+        }
+    }
+}