109 lines
3.2 KiB
JavaScript
109 lines
3.2 KiB
JavaScript
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/**
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* Mailvelope - secure email with OpenPGP encryption for Webmail
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* Copyright (C) 2016 Mailvelope GmbH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License version 3
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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'use strict';
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const addressparser = require('addressparser');
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/**
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* Checks for a valid string
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* @param {} data The input to be checked
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* @return {boolean} If data is a string
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*/
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exports.isString = function(data) {
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return typeof data === 'string' || String.prototype.isPrototypeOf(data);
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};
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/**
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* Checks for a valid key id which is between 8 and 40 hex chars.
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* @param {string} data The key id
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* @return {boolean} If the key id if valid
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*/
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exports.validateKeyId = function(data) {
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if (!this.isString(data)) {
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return false;
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}
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return /^[a-fA-F0-9]{8,40}$/.test(data);
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};
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/**
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* Checks for a valid email address.
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* @param {string} data The email address
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* @return {boolean} If the email address if valid
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*/
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exports.validateAddress = function(data) {
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if (!this.isString(data)) {
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return false;
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}
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const re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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return re.test(data);
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};
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/**
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* Validate an ascii armored public PGP key block.
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* @param {string} data The armored key block
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* @return {boolean} If the key is valid
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*/
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exports.validatePublicKey = function(data) {
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if (!this.isString(data)) {
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return false;
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}
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const begin = /-----BEGIN PGP PUBLIC KEY BLOCK-----/;
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const end = /-----END PGP PUBLIC KEY BLOCK-----/;
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return begin.test(data) && end.test(data);
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};
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/**
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* Parse an array of user id string to objects
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* @param {Array} userIds A list of user ids strings
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* @return {Array} An array of user id objects
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*/
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exports.parseUserIds = function(userIds) {
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let result = [];
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userIds.forEach(uid => result = result.concat(addressparser(uid)));
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return result.map(u => ({
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email: u.address ? u.address.toLowerCase() : undefined,
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name: u.name
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}));
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};
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/**
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* Deduplicates items in an array
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* @param {Array} list The list of items with duplicates
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* @return {Array} The list of items without duplicates
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*/
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exports.deDup = function(list) {
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var result = [];
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(list || []).forEach(function(i) {
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if (result.indexOf(i) === -1) {
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result.push(i);
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}
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});
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return result;
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};
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/**
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* Create an error with a custom status attribute e.g. for http codes.
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* @param {number} status The error's http status code
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* @param {string} message The error message
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* @return {Error} The resulting error object
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*/
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exports.error = function(status, message) {
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let err = new Error(message);
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err.status = status;
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return err;
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};
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