diff --git a/app.js b/app.js new file mode 100644 index 0000000..f85a1f7 --- /dev/null +++ b/app.js @@ -0,0 +1,32 @@ +'use strict'; + +const express = require('express'); +const app = express(); + +const middleware = require('./middleware/auth'); + +app.use(express.json()); + +app.use('/auth', require('./routes/auth')); +app.use('/users', middleware.auth, require('./routes/users')); +app.use('/api', middleware.auth, require('./routes/routes')); + +// catch 404 and forward to error handler +app.use(function(req, res, next) { + var err = new Error('Not Found'); + err.status = 404; + next(err); +}); + +// error handler +app.use(function(err, req, res, next) { + // set locals, only providing error in development + res.locals.message = err.message; + res.locals.error = req.app.get('env') === 'development' ? err : {}; + + // render the error page + res.status(err.status || 500); + res.render('error'); +}); + +module.exports = app; diff --git a/bin/www b/bin/www new file mode 100755 index 0000000..8e5c5e6 --- /dev/null +++ b/bin/www @@ -0,0 +1,90 @@ +#!/usr/bin/env node + +/** + * Module dependencies. + */ + +var app = require('../app'); +var debug = require('debug')('proxy-api:server'); +var http = require('http'); + +/** + * Get port from environment and store in Express. + */ + +var port = normalizePort(process.env.PORT || '3000'); +app.set('port', port); + +/** + * Create HTTP server. + */ + +var server = http.createServer(app); + +/** + * Listen on provided port, on all network interfaces. + */ + +server.listen(port); +server.on('error', onError); +server.on('listening', onListening); + +/** + * Normalize a port into a number, string, or false. + */ + +function normalizePort(val) { + var port = parseInt(val, 10); + + if (isNaN(port)) { + // named pipe + return val; + } + + if (port >= 0) { + // port number + return port; + } + + return false; +} + +/** + * Event listener for HTTP server "error" event. + */ + +function onError(error) { + if (error.syscall !== 'listen') { + throw error; + } + + var bind = typeof port === 'string' + ? 'Pipe ' + port + : 'Port ' + port; + + // handle specific listen errors with friendly messages + switch (error.code) { + case 'EACCES': + console.error(bind + ' requires elevated privileges'); + process.exit(1); + break; + case 'EADDRINUSE': + console.error(bind + ' is already in use'); + process.exit(1); + break; + default: + throw error; + } +} + +/** + * Event listener for HTTP server "listening" event. + */ + +function onListening() { + var addr = server.address(); + var bind = typeof addr === 'string' + ? 'pipe ' + addr + : 'port ' + addr.port; + debug('Listening on ' + bind); +} diff --git a/middleware/auth.js b/middleware/auth.js new file mode 100644 index 0000000..77038fc --- /dev/null +++ b/middleware/auth.js @@ -0,0 +1,17 @@ +const Users = require('../models/users'); + +async function auth(req, res, next){ + if(req.header('auth-token')){ + let user = await Users.checkToken({token: req.header('auth-token')}); + if(user){ + req.user = user; + return next(); + } + } + + return res.status(401).json({ + message: 'Login failed' + }); +} + +module.exports = {auth}; diff --git a/models/auth.js b/models/auth.js new file mode 100644 index 0000000..e69de29 diff --git a/models/users.js b/models/users.js new file mode 100644 index 0000000..2dacdb0 --- /dev/null +++ b/models/users.js @@ -0,0 +1,86 @@ +const {promisify} = require('util'); +const linuxUser = require('linux-user'); +const pam = require('authenticate-pam'); +const client = require('../redis'); + +const UUID = function b(a){return a?(a^Math.random()*16>>a/4).toString(16):([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,b)}; + +/* + Invite +*/ +async function makeInviteToken(data){ + let token = UUID(); + await client.HSET('users_tokens', token, JSON.stringify({ + created_by: data.username, + isAdmin: data.isAdmin, + invited: false + })); + + return token; +} + +async function checkInviteToken(data){ + let token = await client.HGET('users_tokens', data.token); + + return JSON.parse(token); +} + +async function useInviteToken(data){ + let invite = await checkInviteToken(data); + + invite.invited = data.username; + + await client.HSET('users_tokens', data.token, JSON.stringify(invite)); +} + +/* + Auth/ Auth token +*/ + +async function login(data){ + const authenticate = promisify(pam.authenticate); + const getUserGroups = promisify(linuxUser.getUserGroups); + + try{ + await authenticate(data.username, data.password); + let groups = await getUserGroups(data.username); + console.log('groups', groups) + return true; + }catch(error){ + return false; + } +} + +async function addToken(data){ + let token = UUID(); + await client.HSET('users_tokens', token, data.username); + + return token; +} + +async function checkToken(data){ + let user = await client.HGET('users_tokens', data.token); + + return user; +} + +/* + Users +*/ + +async function add(data) { + const addUser = promisify(linuxUser.addUser); + const setPassword = promisify(linuxUser.setPassword); + + let systemUser = await addUser(data.username); + let systemUserPassword = await setPassword(data.username, data.password); + +} + +async function ifUserExists(data){ + const getUserInfo = promisify(linuxUser.getUserInfo); + return await getUserInfo(data.username); +} + +module.exports = {login, add, addToken, checkToken, ifUserExists, + makeInviteToken, checkInviteToken, useInviteToken}; diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..1f25c56 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1181 @@ +{ + 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"^1.6.0", + "redis": "^2.8.0" + } +} diff --git a/redis.js b/redis.js new file mode 100644 index 0000000..5f02fdb --- /dev/null +++ b/redis.js @@ -0,0 +1,19 @@ +const {createClient} = require('redis'); +const {promisify} = require('util'); + +const config = { + prefix: 'proxy_' +} + +function client() { + return createClient(config); +} + +const _client = client(); + +module.exports = { + client: client, + HGET: promisify(_client.HGET).bind(_client), + SADD: promisify(_client.SADD).bind(_client), + HSET: promisify(_client.HSET).bind(_client), +}; diff --git a/routes/auth.js b/routes/auth.js new file mode 100644 index 0000000..a0aaa61 --- /dev/null +++ b/routes/auth.js @@ -0,0 +1,83 @@ +'use strict'; + +const router = require('express').Router(); +const linuxUser = require('linux-user'); +const {promisify} = require('util'); + +const Users = require('../models/users'); + +router.post('/login', async function(req, res){ + let username = req.body.username; + let password = req.body.password; + + let groups = await Users.login({username, password}) + + if(groups){ + return res.json({ + login: true, + token: await Users.addToken({username}), + groups: groups, + }); + }else{ + return res.status(401).json({ + login: false + }); + } + +}); + +router.post('/verifykey', async function(req, res){ + let key = req.body.key; + const verifySSHKey = promisify(linuxUser.verifySSHKey); + + let isValid; + + try{ + isValid = await verifySSHKey(key); + return res.json({ + info: isValid + }); + }catch(error){ + return res.status(400).json({ + message: 'Key is not a public key file!' + }); + } + +}); + +router.post('/:token', async function(req, res, next) { + let username = req.body.username; + let password = req.body.password; + let token = req.params.token; + + let invite = await Users.checkInviteToken({token}); + + console.log('invite', invite) + + if(!invite || invite.invited){ + return res.status(401).json({ + message: 'Token not valid' + }); + } + + if(!username || !password){ + return res.status(400).json({ + message: 'Missing fields' + }); + } + + if(await Users.ifUserExists({username})){ + return res.json({ + message: 'username taken' + }); + } + + await Users.add({username, password, isAdmin: invite.isAdmin}); + + await Users.useInviteToken({token, username}); + + return res.json({user:username}); + +}); + +module.exports = router; diff --git a/routes/index.js b/routes/index.js new file mode 100644 index 0000000..ecca96a --- /dev/null +++ b/routes/index.js @@ -0,0 +1,9 @@ +var express = require('express'); +var router = express.Router(); + +/* GET home page. */ +router.get('/', function(req, res, next) { + res.render('index', { title: 'Express' }); +}); + +module.exports = router; diff --git a/routes/routes.js b/routes/routes.js new file mode 100644 index 0000000..5c54b81 --- /dev/null +++ b/routes/routes.js @@ -0,0 +1,74 @@ +const client = require('../redis'); +const router = require('express').Router(); +const app = require('../app'); + +router.get('/:host', async function(req, res){ + client.HGETALL('host_' + req.params.host, function (error, results) { + res.json({ + host: req.params.host, + results: results + }); + }); +}); + +router.get('/', async function(req, res){ + client.SMEMBERS('hosts', function(error, results){ + if(error){ + return res.status(500).json({message: `ERROR ${error}`}); + } + return res.json({hosts: results}); + }); +}); + +router.post('/', async function(req, res){ + let ip = req.body.ip; + let host = req.body.host; + + if(!host || !ip){ + return res.status(400).json({ + message: `Missing fields: ${!host ? 'host' : ''} ${!ip ? 'ip' : ''}` + }); + }else{ + + try{ + await client.SADD('hosts', host); + await client.HSET('host_' + host, 'ip', ip); + await client.HSET('host_' + host, 'updated', (new Date).getTime()); + + } catch (error){ + return res.status(500).json({ + message: `ERROR: ${error}` + }); + } + + return res.json({ + message: `Host ${host} Added` + }); + } +}); + +router.delete('/', async function(req, res){ + let host = req.body.host; + + if(!host){ + return res.status(400).json({ + message: `Missing fields: ${!host ? 'host' : ''}` + }); + }else{ + + try{ + await client.SREM('hosts', host); + await client.DEL('host_' + host); + }catch(error){ + return res.status(500).json({ + message: `ERROR: ${error}` + }); + } + + return res.json({ + message: `Host ${host} deleted` + }); + } +}); + +module.exports = router; diff --git a/routes/users.js b/routes/users.js new file mode 100644 index 0000000..a549af6 --- /dev/null +++ b/routes/users.js @@ -0,0 +1,13 @@ +const router = require('express').Router(); +const Users = require('../models/users'); + + +router.post('/invite', async function(req, res){ + let token = await Users.makeInviteToken({ + username: res.user + }); + + return res.json({token:token}) +}); + +module.exports = router; diff --git a/ssh-keygen b/ssh-keygen new file mode 100644 index 0000000..e69de29