webssh2/app/server/util.js
2022-04-23 03:48:16 +03:00

62 lines
2.1 KiB
JavaScript

/* jshint esversion: 6, asi: true, node: true */
// util.js
// private
require('colors'); // allow for color property extensions in log messages
const debug = require('debug')('WebSSH2');
const Auth = require('basic-auth');
const defaultCredentials = { username: null, password: null, privatekey: null };
exports.setDefaultCredentials = function setDefaultCredentials(
username,
password,
privatekey,
overridebasic
) {
defaultCredentials.username = username;
defaultCredentials.password = password;
defaultCredentials.privatekey = privatekey;
defaultCredentials.overridebasic = overridebasic;
};
exports.basicAuth = function basicAuth(req, res, next) {
const myAuth = Auth(req);
// If Authorize: Basic header exists and the password isn't blank
// AND config.user.overridebasic is false, extract basic credentials
// from client
if (myAuth && myAuth.pass !== '' && !defaultCredentials.overridebasic) {
req.session.username = myAuth.name;
req.session.userpassword = myAuth.pass;
debug(
`myAuth.name: ${myAuth.name.yellow.bold.underline} and password ${
myAuth.pass ? 'exists'.yellow.bold.underline : 'is blank'.underline.red.bold
}`
);
} else {
req.session.username = defaultCredentials.username;
req.session.userpassword = defaultCredentials.password;
req.session.privatekey = defaultCredentials.privatekey;
}
if (
(req.query.username !== '' || req.query.username !== undefined) &&
(req.query.password !== '' || req.query.password !== undefined)
) {
// eslint-disable-next-line
// console.log(`username: ${req.query.username} and password: ${req.query.password}`);
req.session.username = req.query.username;
req.session.userpassword = req.query.password;
} else {
res.statusCode = 401;
debug('basicAuth credential request (401)');
res.setHeader('WWW-Authenticate', 'Basic realm="WebSSH"');
res.end('Username and password required for web SSH service.');
return;
}
next();
};
// takes a string, makes it boolean (true if the string is true, false otherwise)
exports.parseBool = function parseBool(str) {
return str.toLowerCase() === 'true';
};