Kotlin conversion: GenerateKeyExternal

external-sop/src/main/kotlin/sop/external/operation/GenerateKeyExternal.kt

@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.external.operation
+
+import java.util.Properties
+import sop.Ready
+import sop.external.ExternalSOP
+import sop.operation.GenerateKey
+
+/** Implementation of the [GenerateKey] operation using an external SOP binary. */
+class GenerateKeyExternal(binary: String, environment: Properties) : GenerateKey {
+
+    private val commandList = mutableListOf(binary, "generate-key")
+    private val envList = ExternalSOP.propertiesToEnv(environment).toMutableList()
+
+    private var argCounter = 0
+
+    override fun noArmor(): GenerateKey = apply { commandList.add("--no-armor") }
+
+    override fun userId(userId: String): GenerateKey = apply { commandList.add(userId) }
+
+    override fun withKeyPassword(password: String): GenerateKey = apply {
+        commandList.add("--with-key-password=@ENV:KEY_PASSWORD_$argCounter")
+        envList.add("KEY_PASSWORD_$argCounter=$password")
+        argCounter += 1
+    }
+
+    override fun profile(profile: String): GenerateKey = apply {
+        commandList.add("--profile=$profile")
+    }
+
+    override fun signingOnly(): GenerateKey = apply { commandList.add("--signing-only") }
+
+    override fun generate(): Ready =
+        ExternalSOP.executeProducingOperation(Runtime.getRuntime(), commandList, envList)
+}