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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+
*
* Author(s):
* Maximilian Krambach <mkrambach@intevation.de>
*/
/**
* Listing of all possible error codes and messages of a {@link GPGME_Error}.
*/
export const err_list = {
// Connection
'CONN_NO_CONNECT': {
msg:'Connection with the nativeMessaging host could not be'
+ ' established.',
type: 'error'
},
'CONN_EMPTY_GPG_ANSWER':{
msg: 'The nativeMessaging answer was empty.',
type: 'error'
},
'CONN_TIMEOUT': {
msg: 'A connection timeout was exceeded.',
type: 'error'
},
'CONN_UNEXPECTED_ANSWER': {
msg: 'The answer from gnupg was not as expected.',
type: 'error'
},
'CONN_ALREADY_CONNECTED':{
msg: 'A connection was already established.',
type: 'warning'
},
// Message/Data
'MSG_INCOMPLETE': {
msg: 'The Message did not match the minimum requirements for'
+ ' the interaction.',
type: 'error'
},
'MSG_EMPTY' : {
msg: 'The Message is empty.',
type: 'error'
},
'MSG_WRONG_OP': {
msg: 'The operation requested could not be found',
type: 'error'
},
'MSG_NO_KEYS' : {
msg: 'There were no valid keys provided.',
type: 'warning'
},
'MSG_NOT_A_FPR': {
msg: 'The String is not an accepted fingerprint',
type: 'warning'
},
'KEY_INVALID': {
msg:'Key object is invalid',
type: 'error'
},
'KEY_NOKEY': {
msg:'This key does not exist in GPG',
type: 'error'
},
'KEY_NO_INIT': {
msg:'This property has not been retrieved yet from GPG',
type: 'error'
},
'KEY_ASYNC_ONLY': {
msg: 'This property cannot be used in synchronous calls',
type: 'error'
},
'KEY_NO_DEFAULT': {
msg:'A default key could not be established. Please check yout gpg ' +
'configuration',
type: 'error'
},
'SIG_WRONG': {
msg:'A malformed signature was created',
type: 'error'
},
'SIG_NO_SIGS': {
msg:'There were no signatures found',
type: 'error'
},
// generic
'PARAM_WRONG':{
msg: 'Invalid parameter was found',
type: 'error'
},
'DECODE_FAIL': {
msg: 'Decoding failed due to unexpected data',
type: 'error'
},
'PARAM_IGNORED': {
msg: 'An parameter was set that has no effect in gpgmejs',
type: 'warning'
},
'GENERIC_ERROR': {
msg: 'Unspecified error',
type: 'error'
}
};
/**
* Checks the given error code and returns an {@link GPGME_Error} error object
* with some information about meaning and origin
* @param {String} code Error code as defined in {@link err_list}.
* @param {String} info Possible additional error message to pass through.
* Currently used for errors sent as answer by gnupg via a native Message port
* @returns {GPGME_Error}
*/
export function gpgme_error (code = 'GENERIC_ERROR', info){
if (err_list.hasOwnProperty(code)){
if (err_list[code].type === 'error'){
return new GPGME_Error(code);
}
if (err_list[code].type === 'warning'){
// eslint-disable-next-line no-console
// console.warn(code + ': ' + err_list[code].msg);
}
return null;
} else if (code === 'GNUPG_ERROR'){
return new GPGME_Error(code, info);
}
else {
return new GPGME_Error('GENERIC_ERROR');
}
}
/**
* An error class with additional info about the origin of the error, as string
* It is created by {@link gpgme_error}, and its' codes are defined in
* {@link err_list}.
*
* @property {String} code Short description of origin and type of the error
* @property {String} msg Additional info
* @protected
* @class
* @extends Error
*/
class GPGME_Error extends Error{
constructor (code = 'GENERIC_ERROR', msg=''){
if (code === 'GNUPG_ERROR' && typeof (msg) === 'string'){
super(msg);
} else if (err_list.hasOwnProperty(code)){
if (msg){
super(err_list[code].msg + '--' + msg);
} else {
super(err_list[code].msg);
}
} else {
super(err_list['GENERIC_ERROR'].msg);
}
this._code = code;
}
get code (){
return this._code;
}
}
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