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Kotlin conversion: DecryptCmd

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This commit is contained in:
Paul Schaub 2023-11-04 18:18:55 +01:00
parent 8e65771e36
commit 9daabb758a
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
3 changed files with 226 additions and 258 deletions
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255
sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
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@ -1,255 +0,0 @@
// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.cli.picocli.commands;
import picocli.CommandLine;
import sop.DecryptionResult;
import sop.ReadyWithResult;
import sop.SessionKey;
import sop.Verification;
import sop.cli.picocli.SopCLI;
import sop.exception.SOPGPException;
import sop.operation.Decrypt;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@CommandLine.Command(name = "decrypt",
resourceBundle = "msg_decrypt",
exitCodeOnInvalidInput = SOPGPException.UnsupportedOption.EXIT_CODE)
public class DecryptCmd extends AbstractSopCmd {
private static final String OPT_SESSION_KEY_OUT = "--session-key-out";
private static final String OPT_WITH_SESSION_KEY = "--with-session-key";
private static final String OPT_WITH_PASSWORD = "--with-password";
private static final String OPT_WITH_KEY_PASSWORD = "--with-key-password";
private static final String OPT_VERIFICATIONS_OUT = "--verifications-out"; // see SOP-05
private static final String OPT_VERIFY_WITH = "--verify-with";
private static final String OPT_NOT_BEFORE = "--verify-not-before";
private static final String OPT_NOT_AFTER = "--verify-not-after";
@CommandLine.Option(
names = {OPT_SESSION_KEY_OUT},
paramLabel = "SESSIONKEY")
String sessionKeyOut;
@CommandLine.Option(
names = {OPT_WITH_SESSION_KEY},
paramLabel = "SESSIONKEY")
List<String> withSessionKey = new ArrayList<>();
@CommandLine.Option(
names = {OPT_WITH_PASSWORD},
paramLabel = "PASSWORD")
List<String> withPassword = new ArrayList<>();
@CommandLine.Option(names = {OPT_VERIFICATIONS_OUT, "--verify-out"}, // TODO: Remove --verify-out in 06
paramLabel = "VERIFICATIONS")
String verifyOut;
@CommandLine.Option(names = {OPT_VERIFY_WITH},
paramLabel = "CERT")
List<String> certs = new ArrayList<>();
@CommandLine.Option(names = {OPT_NOT_BEFORE},
paramLabel = "DATE")
String notBefore = "-";
@CommandLine.Option(names = {OPT_NOT_AFTER},
paramLabel = "DATE")
String notAfter = "now";
@CommandLine.Parameters(index = "0..*",
paramLabel = "KEY")
List<String> keys = new ArrayList<>();
@CommandLine.Option(names = {OPT_WITH_KEY_PASSWORD},
paramLabel = "PASSWORD")
List<String> withKeyPassword = new ArrayList<>();
@Override
public void run() {
Decrypt decrypt = throwIfUnsupportedSubcommand(
SopCLI.getSop().decrypt(), "decrypt");
throwIfOutputExists(verifyOut);
throwIfOutputExists(sessionKeyOut);
setNotAfter(notAfter, decrypt);
setNotBefore(notBefore, decrypt);
setWithPasswords(withPassword, decrypt);
setWithSessionKeys(withSessionKey, decrypt);
setWithKeyPassword(withKeyPassword, decrypt);
setVerifyWith(certs, decrypt);
setDecryptWith(keys, decrypt);
if (verifyOut != null && certs.isEmpty()) {
String errorMsg = getMsg("sop.error.usage.option_requires_other_option", OPT_VERIFICATIONS_OUT, OPT_VERIFY_WITH);
throw new SOPGPException.IncompleteVerification(errorMsg);
}
try {
ReadyWithResult<DecryptionResult> ready = decrypt.ciphertext(System.in);
DecryptionResult result = ready.writeTo(System.out);
writeSessionKeyOut(result);
writeVerifyOut(result);
} catch (SOPGPException.BadData badData) {
String errorMsg = getMsg("sop.error.input.stdin_not_a_message");
throw new SOPGPException.BadData(errorMsg, badData);
} catch (SOPGPException.CannotDecrypt e) {
String errorMsg = getMsg("sop.error.runtime.cannot_decrypt_message");
throw new SOPGPException.CannotDecrypt(errorMsg, e);
} catch (IOException ioException) {
throw new RuntimeException(ioException);
}
}
private void writeVerifyOut(DecryptionResult result) throws IOException {
if (verifyOut != null) {
if (result.getVerifications().isEmpty()) {
String errorMsg = getMsg("sop.error.runtime.no_verifiable_signature_found");
throw new SOPGPException.NoSignature(errorMsg);
}
try (OutputStream fileOut = getOutput(verifyOut)) {
PrintWriter writer = new PrintWriter(fileOut);
for (Verification verification : result.getVerifications()) {
// CHECKSTYLE:OFF
writer.println(verification.toString());
// CHECKSTYLE:ON
}
writer.flush();
}
}
}
private void writeSessionKeyOut(DecryptionResult result) throws IOException {
if (sessionKeyOut == null) {
return;
}
try (OutputStream outputStream = getOutput(sessionKeyOut)) {
if (!result.getSessionKey().isPresent()) {
String errorMsg = getMsg("sop.error.runtime.no_session_key_extracted");
throw new SOPGPException.UnsupportedOption(String.format(errorMsg, OPT_SESSION_KEY_OUT));
}
SessionKey sessionKey = result.getSessionKey().get();
PrintWriter writer = new PrintWriter(outputStream);
// CHECKSTYLE:OFF
writer.println(sessionKey.toString());
// CHECKSTYLE:ON
writer.flush();
}
}
private void setDecryptWith(List<String> keys, Decrypt decrypt) {
for (String key : keys) {
try (InputStream keyIn = getInput(key)) {
decrypt.withKey(keyIn);
} catch (SOPGPException.KeyIsProtected keyIsProtected) {
String errorMsg = getMsg("sop.error.runtime.cannot_unlock_key", key);
throw new SOPGPException.KeyIsProtected(errorMsg, keyIsProtected);
} catch (SOPGPException.BadData badData) {
String errorMsg = getMsg("sop.error.input.not_a_private_key", key);
throw new SOPGPException.BadData(errorMsg, badData);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
private void setVerifyWith(List<String> certs, Decrypt decrypt) {
for (String cert : certs) {
try (InputStream certIn = getInput(cert)) {
decrypt.verifyWithCert(certIn);
} catch (SOPGPException.BadData badData) {
String errorMsg = getMsg("sop.error.input.not_a_certificate", cert);
throw new SOPGPException.BadData(errorMsg, badData);
} catch (IOException ioException) {
throw new RuntimeException(ioException);
}
}
}
private void setWithSessionKeys(List<String> withSessionKey, Decrypt decrypt) {
for (String sessionKeyFile : withSessionKey) {
String sessionKeyString;
try {
sessionKeyString = stringFromInputStream(getInput(sessionKeyFile));
} catch (IOException e) {
throw new RuntimeException(e);
}
SessionKey sessionKey;
try {
sessionKey = SessionKey.fromString(sessionKeyString);
} catch (IllegalArgumentException e) {
String errorMsg = getMsg("sop.error.input.malformed_session_key");
throw new IllegalArgumentException(errorMsg, e);
}
try {
decrypt.withSessionKey(sessionKey);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
String errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_SESSION_KEY);
throw new SOPGPException.UnsupportedOption(errorMsg, unsupportedOption);
}
}
}
private void setWithPasswords(List<String> withPassword, Decrypt decrypt) {
for (String passwordFile : withPassword) {
try {
String password = stringFromInputStream(getInput(passwordFile));
decrypt.withPassword(password);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
String errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_PASSWORD);
throw new SOPGPException.UnsupportedOption(errorMsg, unsupportedOption);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
private void setWithKeyPassword(List<String> withKeyPassword, Decrypt decrypt) {
for (String passwordFile : withKeyPassword) {
try {
String password = stringFromInputStream(getInput(passwordFile));
decrypt.withKeyPassword(password);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
String errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_KEY_PASSWORD);
throw new SOPGPException.UnsupportedOption(errorMsg, unsupportedOption);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
private void setNotAfter(String notAfter, Decrypt decrypt) {
Date notAfterDate = parseNotAfter(notAfter);
try {
decrypt.verifyNotAfter(notAfterDate);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
String errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_NOT_AFTER);
throw new SOPGPException.UnsupportedOption(errorMsg, unsupportedOption);
}
}
private void setNotBefore(String notBefore, Decrypt decrypt) {
Date notBeforeDate = parseNotBefore(notBefore);
try {
decrypt.verifyNotBefore(notBeforeDate);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
String errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_NOT_BEFORE);
throw new SOPGPException.UnsupportedOption(errorMsg, unsupportedOption);
}
}
}

223
sop-java-picocli/src/main/kotlin/sop/cli/picocli/commands/DecryptCmd.kt Normal file
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@ -0,0 +1,223 @@
package sop.cli.picocli.commands
import java.io.IOException
import java.io.PrintWriter
import picocli.CommandLine.*
import sop.DecryptionResult
import sop.SessionKey
import sop.SessionKey.Companion.fromString
import sop.cli.picocli.SopCLI
import sop.exception.SOPGPException.*
import sop.operation.Decrypt
@Command(
name = "decrypt",
resourceBundle = "msg_decrypt",
exitCodeOnInvalidInput = UnsupportedOption.EXIT_CODE)
class DecryptCmd : AbstractSopCmd() {
@Option(names = [OPT_SESSION_KEY_OUT], paramLabel = "SESSIONKEY")
var sessionKeyOut: String? = null
@Option(names = [OPT_WITH_SESSION_KEY], paramLabel = "SESSIONKEY")
var withSessionKey: List<String> = listOf()
@Option(names = [OPT_WITH_PASSWORD], paramLabel = "PASSWORD")
var withPassword: List<String> = listOf()
@Option(names = [OPT_VERIFICATIONS_OUT], paramLabel = "VERIFICATIONS")
var verifyOut: String? = null
@Option(names = [OPT_VERIFY_WITH], paramLabel = "CERT") var certs: List<String> = listOf()
@Option(names = [OPT_NOT_BEFORE], paramLabel = "DATE") var notBefore = "-"
@Option(names = [OPT_NOT_AFTER], paramLabel = "DATE") var notAfter = "now"
@Parameters(index = "0..*", paramLabel = "KEY") var keys: List<String> = listOf()
@Option(names = [OPT_WITH_KEY_PASSWORD], paramLabel = "PASSWORD")
var withKeyPassword: List<String> = listOf()
override fun run() {
val decrypt = throwIfUnsupportedSubcommand(SopCLI.getSop().decrypt(), "decrypt")
throwIfOutputExists(verifyOut)
throwIfOutputExists(sessionKeyOut)
setNotAfter(notAfter, decrypt)
setNotBefore(notBefore, decrypt)
setWithPasswords(withPassword, decrypt)
setWithSessionKeys(withSessionKey, decrypt)
setWithKeyPassword(withKeyPassword, decrypt)
setVerifyWith(certs, decrypt)
setDecryptWith(keys, decrypt)
if (verifyOut != null && certs.isEmpty()) {
val errorMsg =
getMsg(
"sop.error.usage.option_requires_other_option",
OPT_VERIFICATIONS_OUT,
OPT_VERIFY_WITH)
throw IncompleteVerification(errorMsg)
}
try {
val ready = decrypt.ciphertext(System.`in`)
val result = ready.writeTo(System.out)
writeSessionKeyOut(result)
writeVerifyOut(result)
} catch (badData: BadData) {
val errorMsg = getMsg("sop.error.input.stdin_not_a_message")
throw BadData(errorMsg, badData)
} catch (e: CannotDecrypt) {
val errorMsg = getMsg("sop.error.runtime.cannot_decrypt_message")
throw CannotDecrypt(errorMsg, e)
} catch (ioException: IOException) {
throw RuntimeException(ioException)
}
}
@Throws(IOException::class)
private fun writeVerifyOut(result: DecryptionResult) {
verifyOut?.let {
if (result.verifications.isEmpty()) {
val errorMsg = getMsg("sop.error.runtime.no_verifiable_signature_found")
throw NoSignature(errorMsg)
}
getOutput(verifyOut).use { out ->
PrintWriter(out).use { pw -> result.verifications.forEach { pw.println(it) } }
}
}
}
@Throws(IOException::class)
private fun writeSessionKeyOut(result: DecryptionResult) {
sessionKeyOut?.let { fileName ->
getOutput(fileName).use { out ->
if (!result.sessionKey.isPresent) {
val errorMsg = getMsg("sop.error.runtime.no_session_key_extracted")
throw UnsupportedOption(String.format(errorMsg, OPT_SESSION_KEY_OUT))
}
PrintWriter(out).use { it.println(result.sessionKey.get()!!) }
}
}
}
private fun setDecryptWith(keys: List<String>, decrypt: Decrypt) {
for (key in keys) {
try {
getInput(key).use { decrypt.withKey(it) }
} catch (keyIsProtected: KeyIsProtected) {
val errorMsg = getMsg("sop.error.runtime.cannot_unlock_key", key)
throw KeyIsProtected(errorMsg, keyIsProtected)
} catch (badData: BadData) {
val errorMsg = getMsg("sop.error.input.not_a_private_key", key)
throw BadData(errorMsg, badData)
} catch (e: IOException) {
throw RuntimeException(e)
}
}
}
private fun setVerifyWith(certs: List<String>, decrypt: Decrypt) {
for (cert in certs) {
try {
getInput(cert).use { certIn -> decrypt.verifyWithCert(certIn) }
} catch (badData: BadData) {
val errorMsg = getMsg("sop.error.input.not_a_certificate", cert)
throw BadData(errorMsg, badData)
} catch (ioException: IOException) {
throw RuntimeException(ioException)
}
}
}
private fun setWithSessionKeys(withSessionKey: List<String>, decrypt: Decrypt) {
for (sessionKeyFile in withSessionKey) {
val sessionKeyString: String =
try {
stringFromInputStream(getInput(sessionKeyFile))
} catch (e: IOException) {
throw RuntimeException(e)
}
val sessionKey: SessionKey =
try {
fromString(sessionKeyString)
} catch (e: IllegalArgumentException) {
val errorMsg = getMsg("sop.error.input.malformed_session_key")
throw IllegalArgumentException(errorMsg, e)
}
try {
decrypt.withSessionKey(sessionKey)
} catch (unsupportedOption: UnsupportedOption) {
val errorMsg =
getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_SESSION_KEY)
throw UnsupportedOption(errorMsg, unsupportedOption)
}
}
}
private fun setWithPasswords(withPassword: List<String>, decrypt: Decrypt) {
for (passwordFile in withPassword) {
try {
val password = stringFromInputStream(getInput(passwordFile))
decrypt.withPassword(password)
} catch (unsupportedOption: UnsupportedOption) {
val errorMsg =
getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_PASSWORD)
throw UnsupportedOption(errorMsg, unsupportedOption)
} catch (e: IOException) {
throw RuntimeException(e)
}
}
}
private fun setWithKeyPassword(withKeyPassword: List<String>, decrypt: Decrypt) {
for (passwordFile in withKeyPassword) {
try {
val password = stringFromInputStream(getInput(passwordFile))
decrypt.withKeyPassword(password)
} catch (unsupportedOption: UnsupportedOption) {
val errorMsg =
getMsg("sop.error.feature_support.option_not_supported", OPT_WITH_KEY_PASSWORD)
throw UnsupportedOption(errorMsg, unsupportedOption)
} catch (e: IOException) {
throw RuntimeException(e)
}
}
}
private fun setNotAfter(notAfter: String, decrypt: Decrypt) {
val notAfterDate = parseNotAfter(notAfter)
try {
decrypt.verifyNotAfter(notAfterDate)
} catch (unsupportedOption: UnsupportedOption) {
val errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_NOT_AFTER)
throw UnsupportedOption(errorMsg, unsupportedOption)
}
}
private fun setNotBefore(notBefore: String, decrypt: Decrypt) {
val notBeforeDate = parseNotBefore(notBefore)
try {
decrypt.verifyNotBefore(notBeforeDate)
} catch (unsupportedOption: UnsupportedOption) {
val errorMsg = getMsg("sop.error.feature_support.option_not_supported", OPT_NOT_BEFORE)
throw UnsupportedOption(errorMsg, unsupportedOption)
}
}
companion object {
const val OPT_SESSION_KEY_OUT = "--session-key-out"
const val OPT_WITH_SESSION_KEY = "--with-session-key"
const val OPT_WITH_PASSWORD = "--with-password"
const val OPT_WITH_KEY_PASSWORD = "--with-key-password"
const val OPT_VERIFICATIONS_OUT = "--verifications-out"
const val OPT_VERIFY_WITH = "--verify-with"
const val OPT_NOT_BEFORE = "--verify-not-before"
const val OPT_NOT_AFTER = "--verify-not-after"
}
}

6
sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java
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@ -278,7 +278,7 @@ public class DecryptCmdTest {
File certFile = File.createTempFile("existing-verify-out-cert", ".asc"); File certFile = File.createTempFile("existing-verify-out-cert", ".asc");
File existingVerifyOut = File.createTempFile("existing-verify-out", ".tmp"); File existingVerifyOut = File.createTempFile("existing-verify-out", ".tmp");
SopCLI.main(new String[] {"decrypt", "--verify-out", existingVerifyOut.getAbsolutePath(), "--verify-with", certFile.getAbsolutePath()}); SopCLI.main(new String[] {"decrypt", "--verifications-out", existingVerifyOut.getAbsolutePath(), "--verify-with", certFile.getAbsolutePath()});
} }
@Test @Test
@ -302,7 +302,7 @@ public class DecryptCmdTest {
} }
}); });
SopCLI.main(new String[] {"decrypt", "--verify-out", verifyOut.getAbsolutePath(), "--verify-with", certFile.getAbsolutePath()}); SopCLI.main(new String[] {"decrypt", "--verifications-out", verifyOut.getAbsolutePath(), "--verify-with", certFile.getAbsolutePath()});
try (BufferedReader reader = new BufferedReader(new FileReader(verifyOut))) { try (BufferedReader reader = new BufferedReader(new FileReader(verifyOut))) {
String line = reader.readLine(); String line = reader.readLine();
assertEquals("2021-07-11T20:58:23Z 1B66A707819A920925BC6777C3E0AFC0B2DFF862 C8CD564EBF8D7BBA90611D8D071773658BF6BF86", line); assertEquals("2021-07-11T20:58:23Z 1B66A707819A920925BC6777C3E0AFC0B2DFF862 C8CD564EBF8D7BBA90611D8D071773658BF6BF86", line);
@ -377,6 +377,6 @@ public class DecryptCmdTest {
@Test @Test
@ExpectSystemExitWithStatus(SOPGPException.IncompleteVerification.EXIT_CODE) @ExpectSystemExitWithStatus(SOPGPException.IncompleteVerification.EXIT_CODE)
public void verifyOutWithoutVerifyWithCausesExit23() { public void verifyOutWithoutVerifyWithCausesExit23() {
SopCLI.main(new String[] {"decrypt", "--verify-out", "out.file"}); SopCLI.main(new String[] {"decrypt", "--verifications-out", "out.file"});
} }
} }