82 lines
2.5 KiB
JavaScript
82 lines
2.5 KiB
JavaScript
/**
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* @author tlwr [toby@toby.codes]
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* @copyright Crown Copyright 2017
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import kbpgp from "kbpgp";
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import { ASP, importPrivateKey, importPublicKey } from "../lib/PGP";
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import promisifyDefault from "es6-promisify";
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const promisify = promisifyDefault.promisify;
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/**
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* PGP Encrypt and Sign operation
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*/
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class PGPEncryptAndSign extends Operation {
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/**
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* PGPEncryptAndSign constructor
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*/
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constructor() {
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super();
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this.name = "PGP Encrypt and Sign";
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this.module = "PGP";
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this.description = "Input: the cleartext you want to sign.\n<br><br>\nArguments: the ASCII-armoured private key of the signer (plus the private key password if necessary)\nand the ASCII-armoured PGP public key of the recipient.\n<br><br>\nThis operation uses PGP to produce an encrypted digital signature.\n<br><br>\nPretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.\n<br><br>\nThis function uses the Keybase implementation of PGP.";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "Private key of signer",
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"type": "text",
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"value": ""
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},
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{
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"name": "Private key passphrase",
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"type": "string",
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"value": ""
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},
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{
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"name": "Public key of recipient",
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"type": "text",
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"value": ""
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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async run(input, args) {
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const message = input,
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privateKey = args[0],
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passphrase = args[1],
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publicKey = args[2];
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let signedMessage;
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if (!privateKey) return "Enter the private key of the signer.";
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if (!publicKey) return "Enter the public key of the recipient.";
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const privKey = await importPrivateKey(privateKey, passphrase);
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const pubKey = await importPublicKey(publicKey);
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try {
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signedMessage = await promisify(kbpgp.box)({
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"msg": message,
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"encrypt_for": pubKey,
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"sign_with": privKey,
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"asp": ASP
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});
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} catch (err) {
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throw `Couldn't sign message: ${err}`;
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}
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return signedMessage;
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}
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}
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export default PGPEncryptAndSign;
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