diff --git a/lang/js/src/Key.js b/lang/js/src/Key.js index eeb27035..aa419053 100644 --- a/lang/js/src/Key.js +++ b/lang/js/src/Key.js @@ -1,609 +1,604 @@ /* gpgme.js - Javascript integration for gpgme * Copyright (C) 2018 Bundesamt für Sicherheit in der Informationstechnik * * This file is part of GPGME. * * GPGME is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * GPGME is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see . * SPDX-License-Identifier: LGPL-2.1+ * * Author(s): * Maximilian Krambach */ import { isFingerprint, isLongId } from './Helpers'; import { gpgme_error } from './Errors'; import { createMessage } from './Message'; /** * Validates the given fingerprint and creates a new {@link GPGME_Key} * @param {String} fingerprint * @param {Boolean} async If True, Key properties (except fingerprint) will be * queried from gnupg on each call, making the operation up-to-date, the * answers will be Promises, and the performance will likely suffer * @returns {GPGME_Key|GPGME_Error} */ export function createKey(fingerprint, async = false){ if (!isFingerprint(fingerprint) || typeof(async) !== 'boolean'){ return gpgme_error('PARAM_WRONG'); } else return Object.freeze(new GPGME_Key(fingerprint, async)); } /** * Represents the Keys as stored in the gnupg backend * It allows to query almost all information defined in gpgme Key Objects * Refer to {@link validKeyProperties} for available information, and the gpgme * documentation on their meaning * (https://www.gnupg.org/documentation/manuals/gpgme/Key-objects.html) * * @class */ export class GPGME_Key { constructor(fingerprint, async){ /** * @property {Boolean} If true, most answers will be asynchronous */ this.isAsync = async; let _data = {fingerprint: fingerprint.toUpperCase()}; this.getFingerprint = function(){ if (!_data.fingerprint || !isFingerprint(_data.fingerprint)){ return gpgme_error('KEY_INVALID'); } return _data.fingerprint; }; /** * Property indicating if the Key possesses a private/secret part. If * this information is not yet cached, it returns an * {@link GPGME_Error} with code 'KEY_NO_INIT'. Running * {@link refreshKey} may help in this case. * @returns {Boolean} If the Key has a secret subkey. */ this.hasSecret= function (){ return this.get('hasSecret'); }; /** * @param {Object} data Bulk set the data for this key, with an Object * sent by gpgme-json. * @returns {GPGME_Key|GPGME_Error} Itself after values have been set, * an error if something went wrong. * @private */ this.setKeyData = function (data){ if (typeof(data) !== 'object') { return gpgme_error('KEY_INVALID'); } if (!data.fingerprint || data.fingerprint.toUpperCase() !== _data.fingerprint){ return gpgme_error('KEY_INVALID'); } let keys = Object.keys(data); for (let i=0; i< keys.length; i++){ if (!validKeyProperties.hasOwnProperty(keys[i])){ return gpgme_error('KEY_INVALID'); } //running the defined validation function if (validKeyProperties[keys[i]](data[keys[i]]) !== true ){ return gpgme_error('KEY_INVALID'); } switch (keys[i]){ case 'subkeys': _data.subkeys = []; for (let i=0; i< data.subkeys.length; i++) { _data.subkeys.push(Object.freeze( new GPGME_Subkey(data.subkeys[i]))); } break; case 'userids': _data.userids = []; for (let i=0; i< data.userids.length; i++) { _data.userids.push(Object.freeze( new GPGME_UserId(data.userids[i]))); } break; case 'last_update': _data[keys[i]] = new Date( data[keys[i]] * 1000 ); break; default: _data[keys[i]] = data[keys[i]]; } } return this; }; /** * Query any property of the Key listed in {@link validKeyProperties} * @param {String} property property to be retreived * @returns {*|Promise<*>} the value (Boolean, String, Array, Object). * If 'cached' is false, the value will be resolved as a Promise. */ this.get = function(property) { if (this.isAsync === true) { let me = this; return new Promise(function(resolve, reject) { if (property === 'armored'){ resolve(me.getArmor()); } else if (property === 'hasSecret'){ resolve(me.getHasSecret()); } else if (validKeyProperties.hasOwnProperty(property)){ let msg = createMessage('keylist'); msg.setParameter('keys', _data.fingerprint); msg.post().then(function(result){ if (result.keys && result.keys.length === 1 && result.keys[0].hasOwnProperty(property)){ resolve(result.keys[0][property]); } else { reject(gpgme_error('CONN_UNEXPECTED_ANSWER')); } }, function(error){ reject(gpgme_error(error)); }); } else { reject(gpgme_error('PARAM_WRONG')); } }); } else { if (!validKeyProperties.hasOwnProperty(property)){ return gpgme_error('PARAM_WRONG'); } if (!_data.hasOwnProperty(property)){ return gpgme_error('KEY_NO_INIT'); } else { return (_data[property]); } } }; /** * Reloads the Key information from gnupg. This is only useful if you * use the GPGME_Keys cached. Note that this is a performance hungry * operation. If you desire more than a few refreshs, it may be * advisable to run {@link Keyring.getKeys} instead. * @returns {Promise} * @async */ this.refreshKey = function() { let me = this; return new Promise(function(resolve, reject) { if (!_data.fingerprint){ reject(gpgme_error('KEY_INVALID')); } let msg = createMessage('keylist'); msg.setParameter('sigs', true); msg.setParameter('keys', _data.fingerprint); msg.post().then(function(result){ if (result.keys.length === 1){ me.setKeyData(result.keys[0]); me.getHasSecret().then(function(){ me.getArmor().then(function(){ resolve(me); }, function(error){ reject(error); }); }, function(error){ reject(error); }); } else { reject(gpgme_error('KEY_NOKEY')); } }, function (error) { reject(gpgme_error('GNUPG_ERROR'), error); }); }); }; /** * Query the armored block of the Key directly from gnupg. Please note * that this will not get you any export of the secret/private parts of * a Key * @returns {Promise} * @async */ this.getArmor = function(){ return new Promise(function(resolve, reject) { if (!_data.fingerprint){ reject(gpgme_error('KEY_INVALID')); } let msg = createMessage('export'); msg.setParameter('armor', true); msg.setParameter('keys', _data.fingerprint); msg.post().then(function(result){ _data.armored = result.data; resolve(result.data); }, function(error){ reject(error); }); }); }; /** * Find out if the Key includes a secret part. Note that this is a * rather nonperformant operation, as it needs to query gnupg twice. * If you want this inforrmation about more than a few Keys, it may be * advisable to run {@link Keyring.getKeys} instead. * @returns {Promise} True if a secret/private Key * is available in the gnupg Keyring * @async */ this.getHasSecret = function (){ return new Promise(function(resolve, reject) { if (!_data.fingerprint){ reject(gpgme_error('KEY_INVALID')); } let msg = createMessage('keylist'); msg.setParameter('keys', _data.fingerprint); msg.setParameter('secret', true); msg.post().then(function(result){ _data.hasSecret = null; if ( result.keys && result.keys.length === 1 && result.keys[0].secret === true ) { _data.hasSecret = true; resolve(true); } else { _data.hasSecret = false; resolve(false); } }, function(error){ reject(error); }); }); }; /** * Deletes the (public) Key from the GPG Keyring. Note that a deletion * of a secret key is not supported by the native backend. * @returns {Promise} Success if key was deleted, * rejects with a GPG error otherwise. */ this.delete= function (){ return new Promise(function(resolve, reject){ if (!_data.fingerprint){ reject(gpgme_error('KEY_INVALID')); } let msg = createMessage('delete'); msg.setParameter('key', _data.fingerprint); msg.post().then(function(result){ resolve(result.success); }, function(error){ reject(error); }); }); }; } /** * @returns {String} The fingerprint defining this Key */ get fingerprint(){ return this.getFingerprint(); } /** * Property for the export of armored Key. If the armored Key is not * cached, it returns an {@link GPGME_Error} with code 'KEY_NO_INIT'. * Running {@link refreshKey} may help in this case. * @returns {String|GPGME_Error} The armored public Key block. */ get armored(){ - return this.get('armored', true); + if (this.isAsync === true){ + return gpgme_error('KEY_NO_INIT'); + } else { + return this.get('armored'); + } } } /** * Representing a subkey of a Key. * @class * @protected */ class GPGME_Subkey { /** * Initializes with the json data sent by gpgme-json * @param {Object} data * @private */ constructor(data){ let _data = {}; let keys = Object.keys(data); /** * Validates a subkey property against {@link validSubKeyProperties} and * sets it if validation is successful * @param {String} property * @param {*} value * @param private */ const setProperty = function (property, value){ if (validSubKeyProperties.hasOwnProperty(property)){ if (validSubKeyProperties[property](value) === true) { if (property === 'timestamp' || property === 'expires'){ _data[property] = new Date(value * 1000); } else { _data[property] = value; } } } }; for (let i=0; i< keys.length; i++) { setProperty(keys[i], data[keys[i]]); } /** * Fetches any information about this subkey * @param {String} property Information to request * @returns {String | Number | Date} */ this.get = function(property) { if (_data.hasOwnProperty(property)){ return (_data[property]); } }; } } /** * Representing user attributes associated with a Key or subkey * @class * @protected */ class GPGME_UserId { /** * Initializes with the json data sent by gpgme-json * @param {Object} data * @private */ constructor(data){ let _data = {}; let keys = Object.keys(data); const setProperty = function(property, value){ if (validUserIdProperties.hasOwnProperty(property)){ if (validUserIdProperties[property](value) === true) { if (property === 'last_update'){ _data[property] = new Date(value*1000); } else { _data[property] = value; } } } }; for (let i=0; i< keys.length; i++) { setProperty(keys[i], data[keys[i]]); } - /** - * Validates a subkey property against {@link validUserIdProperties} and - * sets it if validation is successful - * @param {String} property - * @param {*} value - * @param private - */ - - /** * Fetches information about the user * @param {String} property Information to request * @returns {String | Number} */ this.get = function (property) { if (_data.hasOwnProperty(property)){ return (_data[property]); } }; } } /** * Validation definition for userIds. Each valid userId property is represented * as a key- Value pair, with their value being a validation function to check * against * @protected * @const */ const validUserIdProperties = { 'revoked': function(value){ return typeof(value) === 'boolean'; }, 'invalid': function(value){ return typeof(value) === 'boolean'; }, 'uid': function(value){ if (typeof(value) === 'string' || value === ''){ return true; } return false; }, 'validity': function(value){ if (typeof(value) === 'string'){ return true; } return false; }, 'name': function(value){ if (typeof(value) === 'string' || value === ''){ return true; } return false; }, 'email': function(value){ if (typeof(value) === 'string' || value === ''){ return true; } return false; }, 'address': function(value){ if (typeof(value) === 'string' || value === ''){ return true; } return false; }, 'comment': function(value){ if (typeof(value) === 'string' || value === ''){ return true; } return false; }, 'origin': function(value){ return Number.isInteger(value); }, 'last_update': function(value){ return Number.isInteger(value); } }; /** * Validation definition for subKeys. Each valid userId property is represented * as a key-value pair, with the value being a validation function * @protected * @const */ const validSubKeyProperties = { 'invalid': function(value){ return typeof(value) === 'boolean'; }, 'can_encrypt': function(value){ return typeof(value) === 'boolean'; }, 'can_sign': function(value){ return typeof(value) === 'boolean'; }, 'can_certify': function(value){ return typeof(value) === 'boolean'; }, 'can_authenticate': function(value){ return typeof(value) === 'boolean'; }, 'secret': function(value){ return typeof(value) === 'boolean'; }, 'is_qualified': function(value){ return typeof(value) === 'boolean'; }, 'is_cardkey': function(value){ return typeof(value) === 'boolean'; }, 'is_de_vs': function(value){ return typeof(value) === 'boolean'; }, 'pubkey_algo_name': function(value){ return typeof(value) === 'string'; // TODO: check against list of known?[''] }, 'pubkey_algo_string': function(value){ return typeof(value) === 'string'; // TODO: check against list of known?[''] }, 'keyid': function(value){ return isLongId(value); }, 'pubkey_algo': function(value) { return (Number.isInteger(value) && value >= 0); }, 'length': function(value){ return (Number.isInteger(value) && value > 0); }, 'timestamp': function(value){ return (Number.isInteger(value) && value > 0); }, 'expires': function(value){ return (Number.isInteger(value) && value > 0); } }; /** * Validation definition for Keys. Each valid Key property is represented * as a key-value pair, with their value being a validation function * @protected * @const */ const validKeyProperties = { 'fingerprint': function(value){ return isFingerprint(value); }, 'armored': function(value){ return typeof(value === 'string'); }, 'revoked': function(value){ return typeof(value) === 'boolean'; }, 'expired': function(value){ return typeof(value) === 'boolean'; }, 'disabled': function(value){ return typeof(value) === 'boolean'; }, 'invalid': function(value){ return typeof(value) === 'boolean'; }, 'can_encrypt': function(value){ return typeof(value) === 'boolean'; }, 'can_sign': function(value){ return typeof(value) === 'boolean'; }, 'can_certify': function(value){ return typeof(value) === 'boolean'; }, 'can_authenticate': function(value){ return typeof(value) === 'boolean'; }, 'secret': function(value){ return typeof(value) === 'boolean'; }, 'is_qualified': function(value){ return typeof(value) === 'boolean'; }, 'protocol': function(value){ return typeof(value) === 'string'; //TODO check for implemented ones }, 'issuer_serial': function(value){ return typeof(value) === 'string'; }, 'issuer_name': function(value){ return typeof(value) === 'string'; }, 'chain_id': function(value){ return typeof(value) === 'string'; }, 'owner_trust': function(value){ return typeof(value) === 'string'; }, 'last_update': function(value){ return (Number.isInteger(value)); //TODO undefined/null possible? }, 'origin': function(value){ return (Number.isInteger(value)); }, 'subkeys': function(value){ return (Array.isArray(value)); }, 'userids': function(value){ return (Array.isArray(value)); }, 'tofu': function(value){ return (Array.isArray(value)); }, 'hasSecret': function(value){ return typeof(value) === 'boolean'; } };