commonMain.gnupg.Gpg.kt Maven / Gradle / Ivy
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Kotlin DSL for popular CLI commands.
@file:Suppress("ClassName", "SpellCheckingInspection", "unused", "EnumEntryName")
package pl.mareklangiewicz.kommand.gnupg
import pl.mareklangiewicz.annotations.DelicateApi
import pl.mareklangiewicz.bad.*
import pl.mareklangiewicz.kommand.*
import pl.mareklangiewicz.kommand.gnupg.GpgCmd.*
import pl.mareklangiewicz.kommand.gnupg.GpgOpt.*
import pl.mareklangiewicz.kommand.gnupg.GpgOpt.PinentryMode.*
@OptIn(DelicateApi::class)
fun gpgDecrypt(inFile: String, outFile: String = inFile.removeRequiredSuffix(".gpg"), cacheSymKey: Boolean = true) =
gpg(Decrypt) { if (!cacheSymKey) -NoSymkeyCache; -OutputFile(outFile); +inFile }
@OptIn(DelicateApi::class)
fun gpgEncryptSym(inFile: String, outFile: String = "$inFile.gpg", cacheSymKey: Boolean = true) =
gpg(Symmetric) { if (!cacheSymKey) -NoSymkeyCache; -OutputFile(outFile); +inFile }
@DelicateApi
@Suppress("DEPRECATION")
@Deprecated("Be careful with password in command line - see man gpg")
fun gpgDecryptPass(password: String, inFile: String, outFile: String = inFile.removeRequiredSuffix(".gpg")) =
gpg(Decrypt) { -PassPhrase(password); -Batch; Pinentry(LoopBack); -OutputFile(outFile); +inFile }
@DelicateApi
@Suppress("DEPRECATION")
@Deprecated("Be careful with password in command line - see man gpg")
fun gpgEncryptPass(password: String, inFile: String, outFile: String = "$inFile.gpg") =
gpg(Symmetric) { -PassPhrase(password); -Batch; Pinentry(LoopBack); -OutputFile(outFile); +inFile }
private fun String.removeRequiredSuffix(suffix: CharSequence) =
removeSuffix(suffix).also { req(length == it.length - suffix.length) }
@DelicateApi
fun gpg(cmd: GpgCmd? = null, init: Gpg.() -> Unit = {}) = Gpg().apply { cmd?.let { -it }; init() }
/** [gnupg manual](https://gnupg.org/documentation/manuals/gnupg/Invoking-GPG.html#Invoking-GPG) */
@OptIn(DelicateApi::class)
data class Gpg(
override val opts: MutableList = mutableListOf(),
override val nonopts: MutableList = mutableListOf(),
) : KommandTypical {
override val name get() = "gpg"
}
@DelicateApi
open class GpgCmd : GpgOpt, KOptLN() {
/** make a signature */
data object Sign : GpgCmd()
/** make a clear text signature */
data object ClearSign : GpgCmd()
/** make a detached signature */
data object DetachSign : GpgCmd()
/** encrypt data */
data object Encrypt : GpgCmd()
/** encryption only with symmetric cipher */
data object Symmetric : GpgCmd()
/** decrypt data */
data object Decrypt : GpgCmd()
/** verify a signature */
data object Verify : GpgCmd()
/** list public keys */
data object ListPublicKeys : GpgCmd()
/** list secret keys */
data object ListSecretKeys : GpgCmd()
data object Help : GpgCmd()
data object Version : GpgCmd()
data object Warranty : GpgCmd()
data object DumpOptions : GpgCmd()
}
@DelicateApi
interface GpgOpt : KOptTypical {
data object Verbose : GpgOpt, KOptLN()
/** Don't make any changes (this is not completely implemented). */
data object DryRun : GpgOpt, KOptLN()
/** Use batch mode. Never ask, do not allow interactive commands. */
data object Batch : GpgOpt, KOptLN()
/** Do not use batch mode. */
data object NoBatch : GpgOpt, KOptLN()
/** Print key listings delimited by colons. Useful in scripts. */
data object WithColons : GpgOpt, KOptLN()
/** Set the pinentry mode to mode. */
data class Pinentry(val mode: PinentryMode = Default) : GpgOpt, KOptL("pinentry-mode", mode.toString().lowercase())
enum class PinentryMode { Default, Ask, Cancel, Error, LoopBack }
/** create ascii armored output */
data object Armor : GpgOpt, KOptLN()
data object Interactive : GpgOpt, KOptLN()
/** use canonical text mode */
data object TextMode : GpgOpt, KOptL("textmode")
/** use strict OpenPGP behavior */
data object OpenPGP : GpgOpt, KOptL("openpgp")
/** Disable the passphrase cache used for symmetrical en- and decryption. */
data object NoSymkeyCache : GpgOpt, KOptLN()
data class HomeDir(val dir: String) : GpgOpt, KOptL("homedir", dir)
data class OptionsFile(val file: String) : GpgOpt, KOptL("options", file)
data class OutputFile(val file: String) : GpgOpt, KOptL("output", file)
/** encrypt for userid */
data class Recipient(val userId: String) : GpgOpt, KOptLN(userId)
/** use userid to sign or decrypt */
data class LocalUser(val userId: String) : GpgOpt, KOptLN(userId)
data class CompressLevel(val level: Int) : GpgOpt, KOptLN(level.toString())
data class StatusFile(val file: String) : GpgOpt, KOptLN(file)
data class StatusFd(val fileDescriptor: Int) : GpgOpt, KOptLN(fileDescriptor.toString())
data class LoggerFile(val file: String) : GpgOpt, KOptLN(file)
data class LoggerFd(val fileDescriptor: Int) : GpgOpt, KOptLN(fileDescriptor.toString())
data class CipherAlgo(val algo: String) : GpgOpt, KOptLN(algo)
data class DigestAlgo(val algo: String) : GpgOpt, KOptLN(algo)
data class CompressAlgo(val algo: String) : GpgOpt, KOptLN(algo)
/**
* Use string as the passphrase. This can only be used if only one passphrase is supplied.
* Obviously, this is of very questionable security on a multi-user system.
* Don't use this option if you can avoid it. Note that since Version 2.0
* this passphrase is only used if the option --batch has also been given.
* Since Version 2.1 the --pinentry-mode also needs to be set to loopback.
*/
@Deprecated("dangerous - see man gpg")
data class PassPhrase(val pass: String) : GpgOpt, KOptL("passphrase", pass)
/** Read the passphrase from the file. Only the first line will be read from the file. */
@Deprecated("dangerous - see man gpg")
data class PassPhraseFile(val file: String) : GpgOpt, KOptL("passphrase-file", file)
/** Read the passphrase from file descriptor. Only the first line will be read from file descriptor n. */
@Deprecated("dangerous - see man gpg")
data class PassPhraseFd(val fileDescriptor: Int) : GpgOpt, KOptL("passphrase-fd", fileDescriptor.toString())
/** Specify how many times gpg will request a new passphrase be repeated. */
data class PassPhraseRepeat(val repeat: Int = 1) : GpgOpt, KOptL("passphrase-repeat", repeat.toString())
}