diff --git a/lang/js/src/gpgmejs.js b/lang/js/src/gpgmejs.js index 9154979d..18164366 100644 --- a/lang/js/src/gpgmejs.js +++ b/lang/js/src/gpgmejs.js @@ -1,392 +1,394 @@ /* 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 { GPGME_Message, createMessage } from './Message'; import { toKeyIdArray } from './Helpers'; import { gpgme_error } from './Errors'; import { GPGME_Keyring } from './Keyring'; import { createSignature } from './Signature'; /** * @typedef {Object} decrypt_result * @property {String} data The decrypted data * @property {Boolean} base64 indicating whether data is base64 encoded. * @property {Boolean} is_mime (optional) the data claims to be a MIME * object. * @property {String} file_name (optional) the original file name * @property {signatureDetails} signatures Verification details for * signatures */ /** * @typedef {Object} signatureDetails * @property {Boolean} all_valid Summary if all signatures are fully valid * @property {Number} count Number of signatures found * @property {Number} failures Number of invalid signatures * @property {Array} signatures.good All valid signatures * @property {Array} signatures.bad All invalid signatures */ /** * @typedef {Object} encrypt_result The result of an encrypt operation * @property {String} data The encrypted message * @property {Boolean} base64 Indicating whether data is base64 encoded. */ /** * @typedef { GPGME_Key | String | Object } inputKeys * Accepts different identifiers of a gnupg Key that can be parsed by * {@link toKeyIdArray}. Expected inputs are: One or an array of * GPGME_Keys; one or an array of fingerprint strings; one or an array of * openpgpjs Key objects. */ /** * @typedef {Object} signResult The result of a signing operation * @property {String} data The resulting data. Includes the signature in * clearsign mode * @property {String} signature The detached signature (if in detached mode) */ /** @typedef {Object} verifyResult The result of a verification * @property {Boolean} data: The verified data * @property {Boolean} is_mime (optional) the data claims to be a MIME * object. * @property {String} file_name (optional) the original file name * @property {signatureDetails} signatures Verification details for * signatures */ /** * The main entry point for gpgme.js. * @class */ export class GpgME { constructor(){ let _Keyring = null; /** * Sets a new Keyring to be used * @param {GPGME_Keyring} keyring */ this.setKeyring = function(keyring){ if (keyring && keyring instanceof GPGME_Keyring){ _Keyring = keyring; } }; /** * Accesses the {@link GPGME_Keyring}. */ this.getKeyring = function(){ if (!_Keyring){ _Keyring = Object.freeze(new GPGME_Keyring); } return _Keyring; }; /** * Encrypt (and optionally sign) data * @param {String|Object} data text/data to be encrypted as String. Also * accepts Objects with a getText method * @param {inputKeys} publicKeys * Keys used to encrypt the message * @param {inputKeys} secretKeys (optional) Keys used to sign the * message. If Keys are present, the operation requested is assumed * to be 'encrypt and sign' * @param {Boolean} base64 (optional) The data will be interpreted as * base64 encoded data. * @param {Boolean} armor (optional) Request the output as armored * block. * @param {Boolean} wildcard (optional) If true, recipient information * will not be added to the message. * @param {Object} additional use additional valid gpg options as * defined in {@link permittedOperations} * @returns {Promise} Object containing the encrypted * message and additional info. * @async */ this.encrypt = function (data, publicKeys, secretKeys, base64=false, armor=true, wildcard=false, additional = {} ){ let msg = createMessage('encrypt'); if (msg instanceof Error){ return Promise.reject(msg); } msg.setParameter('armor', armor); msg.setParameter('always-trust', true); if (base64 === true) { msg.setParameter('base64', true); } let pubkeys = toKeyIdArray(publicKeys); msg.setParameter('keys', pubkeys); let sigkeys = toKeyIdArray(secretKeys); if (sigkeys.length > 0) { msg.setParameter('signing_keys', sigkeys); } putData(msg, data); if (wildcard === true){ msg.setParameter('throw-keyids', true); } if (additional){ let additional_Keys = Object.keys(additional); for (let k = 0; k < additional_Keys.length; k++) { msg.setParameter(additional_Keys[k], additional[additional_Keys[k]]); } } if (msg.isComplete() === true){ return msg.post(); } else { return Promise.reject(gpgme_error('MSG_INCOMPLETE')); } }; /** * Decrypts a Message * @param {String|Object} data text/data to be decrypted. Accepts * Strings and Objects with a getText method * @param {Boolean} base64 (optional) false if the data is an armored * block, true if it is base64 encoded binary data * @returns {Promise} Decrypted Message and information * @async */ this.decrypt = function (data, base64=false){ if (data === undefined){ return Promise.reject(gpgme_error('MSG_EMPTY')); } let msg = createMessage('decrypt'); if (msg instanceof Error){ return Promise.reject(msg); } if (base64 === true){ msg.setParameter('base64', true); } putData(msg, data); if (base64 === true){ msg.setParameter('base64', true); } return new Promise(function(resolve, reject){ msg.post().then(function(result){ let _result = {data: result.data}; _result.base64 = result.base64 ? true: false; - _result.is_mime = result.mime ? true: false; + _result.is_mime = result.is_mime ? true: false; if (result.file_name){ _result.file_name = result.file_name; + } else { + _result.file_name = null; } if ( result.hasOwnProperty('signatures') && Array.isArray(result.signatures) ) { _result.signatures = collectSignatures( result.signatures); } resolve(_result); }, function(error){ reject(error); }); }); }; /** * Sign a Message * @param {String|Object} data text/data to be signed. Accepts Strings * and Objects with a getText method. * @param {inputKeys} keys The key/keys to use for signing * @param {String} mode The signing mode. Currently supported: * 'clearsign':The Message is embedded into the signature; * 'detached': The signature is stored separately * @param {Boolean} base64 input is considered base64 * @returns {Promise} * @async */ this.sign = function (data, keys, mode='clearsign', base64=false) { if (data === undefined){ return Promise.reject(gpgme_error('MSG_EMPTY')); } let key_arr = toKeyIdArray(keys); if (key_arr.length === 0){ return Promise.reject(gpgme_error('MSG_NO_KEYS')); } let msg = createMessage('sign'); msg.setParameter('keys', key_arr); if (base64 === true){ msg.setParameter('base64', true); } msg.setParameter('mode', mode); putData(msg, data); return new Promise(function(resolve,reject) { if (mode ==='detached'){ msg.setExpect('base64'); } msg.post().then( function(message) { if (mode === 'clearsign'){ resolve({ data: message.data} ); } else if (mode === 'detached') { resolve({ data: data, signature: message.data }); } }, function(error){ reject(error); }); }); }; /** * Verifies data. * @param {String|Object} data text/data to be verified. Accepts Strings * and Objects with a getText method * @param {String} (optional) A detached signature. If not present, * opaque mode is assumed * @param {Boolean} (optional) Data and signature are base64 encoded * @returns {Promise} *@async */ this.verify= function (data, signature, base64 = false){ let msg = createMessage('verify'); let dt = putData(msg, data); if (dt instanceof Error){ return Promise.reject(dt); } if (signature){ if (typeof(signature)!== 'string'){ return Promise.reject(gpgme_error('PARAM_WRONG')); } else { msg.setParameter('signature', signature); } } if (base64 === true){ msg.setParameter('base64', true); } return new Promise(function(resolve, reject){ msg.post().then(function (message){ if (!message.info || !message.info.signatures){ reject(gpgme_error('SIG_NO_SIGS')); } else { let _result = collectSignatures( message.info.signatures); _result.is_mime = message.info.is_mime? true: false; if (message.info.filename){ _result.file_name = message.info.filename; } _result.data = message.data; resolve(_result); } }, function(error){ reject(error); }); }); }; } /** * setter for {@link setKeyring}. * @param {GPGME_Keyring} keyring A Keyring to use */ set Keyring(keyring){ this.setKeyring(keyring); } /** * Accesses the {@link GPGME_Keyring}. */ get Keyring(){ return this.getKeyring(); } } /** * Sets the data of the message, setting flags according on the data type * @param {GPGME_Message} message The message where this data will be set * @param { String| Object } data The data to enter. Expects either a string of * data, or an object with a getText method * @returns {undefined| GPGME_Error} Error if not successful, nothing otherwise * @private */ function putData(message, data){ if (!message || !(message instanceof GPGME_Message)) { return gpgme_error('PARAM_WRONG'); } if (!data){ return gpgme_error('PARAM_WRONG'); } else if (typeof(data) === 'string') { message.setParameter('data', data); } else if ( typeof(data) === 'object' && typeof(data.getText) === 'function' ){ let txt = data.getText(); if (typeof(txt) === 'string'){ message.setParameter('data', txt); } else { return gpgme_error('PARAM_WRONG'); } } else { return gpgme_error('PARAM_WRONG'); } } /** * Parses, validates and converts incoming objects into signatures. * @param {Array} sigs * @returns {signatureDetails} Details about the signatures */ function collectSignatures(sigs){ if (!Array.isArray(sigs)){ return gpgme_error('SIG_NO_SIGS'); } let summary = { all_valid: false, count: sigs.length, failures: 0, signatures: { good: [], bad: [], } }; for (let i=0; i< sigs.length; i++){ let sigObj = createSignature(sigs[i]); if (sigObj instanceof Error){ return gpgme_error(sigObj); } if (sigObj.valid !== true){ summary.failures += 1; summary.signatures.bad.push(sigObj); } else { summary.signatures.good.push(sigObj); } } if (summary.failures === 0){ summary.all_valid = true; } return summary; } \ No newline at end of file