124 lines
5.3 KiB
Java
124 lines
5.3 KiB
Java
// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package sop.cli.picocli.commands;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import picocli.CommandLine;
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import sop.Ready;
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import sop.cli.picocli.SopCLI;
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import sop.enums.EncryptAs;
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import sop.exception.SOPGPException;
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import sop.operation.Encrypt;
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@CommandLine.Command(name = "encrypt",
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description = "Encrypt a message from standard input",
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exitCodeOnInvalidInput = 37)
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public class EncryptCmd implements Runnable {
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@CommandLine.Option(names = "--no-armor",
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description = "ASCII armor the output",
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negatable = true)
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boolean armor = true;
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@CommandLine.Option(names = {"--as"},
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description = "Type of the input data. Defaults to 'binary'",
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paramLabel = "{binary|text|mime}")
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EncryptAs type;
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@CommandLine.Option(names = "--with-password",
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description = "Encrypt the message with a password",
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paramLabel = "PASSWORD")
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List<String> withPassword = new ArrayList<>();
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@CommandLine.Option(names = "--sign-with",
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description = "Sign the output with a private key",
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paramLabel = "KEY")
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List<File> signWith = new ArrayList<>();
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@CommandLine.Parameters(description = "Certificates the message gets encrypted to",
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index = "0..*",
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paramLabel = "CERTS")
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List<File> certs = new ArrayList<>();
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@Override
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public void run() {
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Encrypt encrypt = SopCLI.getSop().encrypt();
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if (encrypt == null) {
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throw new SOPGPException.UnsupportedSubcommand("Command 'encrypt' not implemented.");
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}
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if (type != null) {
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try {
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encrypt.mode(type);
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} catch (SOPGPException.UnsupportedOption unsupportedOption) {
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throw new SOPGPException.UnsupportedOption("Unsupported option '--as'.", unsupportedOption);
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}
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}
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if (withPassword.isEmpty() && certs.isEmpty()) {
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throw new SOPGPException.MissingArg("At least one password or cert file required for encryption.");
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}
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for (String password : withPassword) {
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try {
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encrypt.withPassword(password);
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} catch (SOPGPException.UnsupportedOption unsupportedOption) {
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throw new SOPGPException.UnsupportedOption("Unsupported option '--with-password'.", unsupportedOption);
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}
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}
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for (File keyFile : signWith) {
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try (FileInputStream keyIn = new FileInputStream(keyFile)) {
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encrypt.signWith(keyIn);
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} catch (FileNotFoundException e) {
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throw new SOPGPException.MissingInput("Key file " + keyFile.getAbsolutePath() + " not found.", e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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} catch (SOPGPException.KeyIsProtected keyIsProtected) {
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throw new SOPGPException.KeyIsProtected("Key from " + keyFile.getAbsolutePath() + " is password protected.", keyIsProtected);
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} catch (SOPGPException.UnsupportedAsymmetricAlgo unsupportedAsymmetricAlgo) {
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throw new SOPGPException.UnsupportedAsymmetricAlgo("Key from " + keyFile.getAbsolutePath() + " has unsupported asymmetric algorithm.", unsupportedAsymmetricAlgo);
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} catch (SOPGPException.KeyCannotSign keyCannotSign) {
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throw new SOPGPException.KeyCannotSign("Key from " + keyFile.getAbsolutePath() + " cannot sign.", keyCannotSign);
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} catch (SOPGPException.BadData badData) {
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throw new SOPGPException.BadData("Key file " + keyFile.getAbsolutePath() + " does not contain a valid OpenPGP private key.", badData);
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}
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}
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for (File certFile : certs) {
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try (FileInputStream certIn = new FileInputStream(certFile)) {
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encrypt.withCert(certIn);
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} catch (FileNotFoundException e) {
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throw new SOPGPException.MissingInput("Certificate file " + certFile.getAbsolutePath() + " not found.", e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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} catch (SOPGPException.UnsupportedAsymmetricAlgo unsupportedAsymmetricAlgo) {
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throw new SOPGPException.UnsupportedAsymmetricAlgo("Certificate from " + certFile.getAbsolutePath() + " has unsupported asymmetric algorithm.", unsupportedAsymmetricAlgo);
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} catch (SOPGPException.CertCannotEncrypt certCannotEncrypt) {
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throw new SOPGPException.CertCannotEncrypt("Certificate from " + certFile.getAbsolutePath() + " is not capable of encryption.", certCannotEncrypt);
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} catch (SOPGPException.BadData badData) {
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throw new SOPGPException.BadData("Certificate file " + certFile.getAbsolutePath() + " does not contain a valid OpenPGP certificate.", badData);
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}
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}
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if (!armor) {
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encrypt.noArmor();
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}
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try {
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Ready ready = encrypt.plaintext(System.in);
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ready.writeTo(System.out);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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