Kotlin conversion: RevokeKeyExternal

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

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.external.operation
+
+import java.io.InputStream
+import java.util.Properties
+import sop.Ready
+import sop.external.ExternalSOP
+import sop.operation.RevokeKey
+
+/** Implementation of the [RevokeKey] operation using an external SOP binary. */
+class RevokeKeyExternal(binary: String, environment: Properties) : RevokeKey {
+
+    private val commandList = mutableListOf(binary, "revoke-key")
+    private val envList = ExternalSOP.propertiesToEnv(environment).toMutableList()
+
+    private var argCount = 0
+
+    override fun noArmor(): RevokeKey = apply { commandList.add("--no-armor") }
+
+    override fun withKeyPassword(password: ByteArray): RevokeKey = apply {
+        commandList.add("--with-key-password=@ENV:KEY_PASSWORD_$argCount")
+        envList.add("KEY_PASSWORD_$argCount=${String(password)}")
+        argCount += 1
+    }
+
+    override fun keys(keys: InputStream): Ready =
+        ExternalSOP.executeTransformingOperation(Runtime.getRuntime(), commandList, envList, keys)
+}