webssh2/app/server/util.js
2021-05-17 07:04:44 -04:00

45 lines
1.6 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) {
defaultCredentials.username = username;
defaultCredentials.password = password;
defaultCredentials.privatekey = privatekey;
};
exports.basicAuth = function basicAuth(req, res, next) {
const myAuth = Auth(req);
if (myAuth && myAuth.pass !== '') {
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.session.userpassword && !req.session.privatekey) {
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';
};