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/* 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 <http://www.gnu.org/licenses/>.
* SPDX-License-Identifier: LGPL-2.1+
*/
import {Connection} from "./Connection"
import {GPGME_Message} from './Message'
import {toKeyIdArray} from "./Helpers"
import { gpgme_error } from "./Errors"
import { GPGME_Keyring } from "./Keyring";
export class GpgME {
/**
* initializes GpgME by opening a nativeMessaging port
* TODO: add configuration
*/
constructor(connection){
this.connection = connection;
}
set connection(connection){
if (this._connection instanceof Connection){
gpgme_error('CONN_ALREADY_CONNECTED');
}
if (connection instanceof Connection){
this._connection = connection;
} else {
gpgme_error('PARAM_WRONG');
}
}
get connection(){
if (this._connection instanceof Connection){
if (this._connection.isConnected){
return this._connection;
}
return undefined; //TODO: connection was lost!
}
return undefined; //TODO: no connection there
}
set Keyring(keyring){
if (ring && ring instanceof GPGME_Keyring){
this._Keyring = ring;
}
}
get Keyring(){
return this._Keyring;
}
/**
* @param {String|Uint8Array} data text/data to be encrypted as String/Uint8Array
* @param {GPGME_Key|String|Array<String>|Array<GPGME_Key>} publicKeys Keys used to encrypt the message
* @param {Boolean} wildcard (optional) If true, recipient information will not be added to the message
*/
encrypt(data, publicKeys, wildcard=false){
let msg = new GPGME_Message('encrypt');
// TODO temporary
msg.setParameter('armor', true);
msg.setParameter('always-trust', true);
let pubkeys = toKeyIdArray(publicKeys);
msg.setParameter('keys', pubkeys);
putData(msg, data);
if (wildcard === true){msg.setParameter('throw-keyids', true);
};
return (this.connection.post(msg));
}
/**
* @param {String} data TODO Format: base64? String? Message with the encrypted data
* @returns {Promise<Object>} decrypted message:
data: The decrypted data. This may be base64 encoded.
base64: Boolean indicating whether data is base64 encoded.
mime: A Boolean indicating whether the data is a MIME object.
info: An optional object with extra information.
* @async
*/
decrypt(data){
if (data === undefined){
return Promise.reject(gpgme_error('MSG_EMPTY'));
}
let msg = new GPGME_Message('decrypt');
putData(msg, data);
return this.connection.post(msg);
}
deleteKey(key, delete_secret = false, no_confirm = false){
return Promise.reject(gpgme_error('NOT_YET_IMPLEMENTED'));
let msg = new GPGME_Message('deletekey');
let key_arr = toKeyIdArray(key);
if (key_arr.length !== 1){
throw('TODO');
//should always be ONE key
}
msg.setParameter('key', key_arr[0]);
if (delete_secret === true){
msg.setParameter('allow_secret', true); //TBD
}
if (no_confirm === true){ //TODO: Do we want this hidden deep in the code?
msg.setParameter('delete_force', true); //TBD
}
this.connection.post(msg).then(function(success){
//TODO: it seems that there is always errors coming back:
}, function(error){
switch (error.msg){
case 'ERR_NO_ERROR':
return Promise.resolve('okay'); //TBD
default:
return Promise.reject(gpgme_error('TODO') ); //
// INV_VALUE,
// GPG_ERR_NO_PUBKEY,
// GPG_ERR_AMBIGUOUS_NAME,
// GPG_ERR_CONFLICT
}
});
}
}
/**
* Sets the data of the message, converting Uint8Array to base64 and setting
* the base64 flag
* @param {GPGME_Message} message The message where this data will be set
* @param {*} data The data to enter
* @param {String} propertyname // TODO unchecked still
*/
function putData(message, data){
if (!message || !message instanceof GPGME_Message ) {
return gpgme_error('PARAM_WRONG');
}
if (!data){
message.setParameter('data', '');
} else if (data instanceof Uint8Array){
let decoder = new TextDecoder('utf8');
message.setParameter('base64', true);
message.setParameter ('data', decoder.decode(data));
} else if (typeof(data) === 'string') {
message.setParameter('base64', false);
message.setParameter('data', data);
} else if ( typeof(data) === 'object' && data.hasOwnProperty(getText)){
let txt = data.getText();
if (txt instanceof Uint8Array){
let decoder = new TextDecoder('utf8');
message.setParameter('base64', true);
message.setParameter ('data', decoder.decode(txt));
}
} else {
return gpgme_error('PARAM_WRONG');
}
}
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