telebit-relay.js/lib/extensions.js

118 lines
4.1 KiB
JavaScript

/*
curl -s --user 'api:YOUR_API_KEY' \
https://api.mailgun.net/v3/YOUR_DOMAIN_NAME/messages \
-F from='Excited User <mailgun@YOUR_DOMAIN_NAME>' \
-F to=YOU@YOUR_DOMAIN_NAME \
-F to=bar@example.com \
-F subject='Hello' \
-F text='Testing some Mailgun awesomeness!'
*/
var _auths = module.exports._auths = {};
module.exports.authenticate = function (opts) {
console.log("It's auth'n time!");
var util = require('util');
var requestAsync = util.promisify(require('request'));
var state = opts.state;
var jwtoken = opts.auth;
var auth;
var mailer = {
user: 'wizard@telebit.cloud'
, secret: 'fbbf21d73c9d2f480bd0e71f5f18494e'
};
var crypto = require('crypto');
console.log('[DEBUG] ext auth', jwtoken);
auth = jwtoken;
if ('object' === typeof auth && /^.+@.+\..+$/.test(auth.subject)) {
console.log('parsed');
var id = crypto.randomBytes(16).toString('base64').replace(/\+/,'-').replace(/\//g,'_').replace(/=/g,'');
console.log("[DEBUG] gonna send email");
return requestAsync({
url: 'https://api.mailgun.net/v3/telebit.cloud/messages'
, method: 'POST'
, auth: { user: 'api', pass: 'key-70ef48178081df19783ecfbe6fed5e9a' }
, formData: {
from: 'Telebit Wizard <wizard@telebit.cloud>'
, to: auth.subject
, subject: 'Telebit: Magic Link Login'
, text: "Here's your magic login link. Just click to confirm your login attempt:\n\n"
+ ' https://www.telebit.cloud/login/?magic=' + id + '\n\n'
+ "The login request came from '" + auth.hostname + "'\n "
+ "(" + auth.os_arch + " " + auth.os_platform + " " + auth.os_release + ")\n"
}
}).then(function (resp) {
console.log("[DEBUG] email was sent, or so they say");
console.log(resp.body);
return new state.Promise(function (resolve, reject) {
// TODO use global interval whenever the number of active links is high
var t = setTimeout(function () {
console.log("the moon lady wins :-/");
delete _auths[id];
var err = new Error("Login Failure: Magic Link was not clicked within 5 minutes");
err.code = 'E_LOGIN_TIMEOUT';
reject();
}, 300 * 1000);
function authorize() {
console.log("mighty auth'n ranger!");
clearTimeout(t);
delete _auths[id];
var hri = require('human-readable-ids').hri;
var hrname = hri.random() + '.telebit.cloud';
var jwt = require('jsonwebtoken');
var tokenData = {
domains: [ hrname ]
, ports: [ 1024 + Math.round(Math.random() * 6300) ]
, aud: 'telebit.cloud'
, iss: Math.round(Date.now() / 1000)
, id: id
, hostname: auth.hostname
};
tokenData.jwt = jwt.sign(tokenData, state.secret);
resolve(tokenData);
return tokenData;
}
_auths[id] = {
dt: Date.now()
, resolve: authorize
, reject: reject
};
});
});
}
console.log("just trying a normal token...");
try {
decoded = jwt.decode(jwtoken, { complete: true });
} catch(e) {
decoded = null;
}
return state.defaults.authenticate(opts.auth);
};
//var loaded = false;
var path = require('path');
var express = require('express');
var app = express();
app.use('/', express.static(path.join(__dirname, 'extensions/admin')));
app.use('/login', function (req, res) {
var tokenData;
var magic = req.query.magic;
if (_auths[magic]) {
tokenData = _auths[magic].resolve();
res.send("<h1>Your device is authorized for the following:</h1><pre><code>" + JSON.stringify(tokenData, null, 2) + "</code></pre>");
} else {
res.send("<h1>Invalid Magic Link</h1>"
+ "<pre><code>'" + magic + "' isn't a valid link.\nLinks are only good for 5 minutes, so act fast.\n"
+ "(" + new Date(1000*((_auths[magic]||{}).dt||0)).toISOString() + ")</code></pre>\n"
);
}
});
module.exports.webadmin = function (state, req, res) {
//if (!loaded) { loaded = true; app.use('/', state.defaults.webadmin); }
console.log('[DEBUG] extensions webadmin');
app(req, res);
};