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// =========================================================================
// ==================== get the packages we need ===========================
// =========================================================================
var express = require('express');
var app = express();
var v1 = new express.Router();
var bodyParser = require('body-parser');
var ip = require('ip');
var fs = require('fs');
var path = require('path');
var fs = require('fs');
var untildify = require('untildify');
var Client = require('ssh2').Client;
var conn = new Client();
var PATH = untildify('~/');
var winston = require('winston');
var exec = require('child_process').exec;
// ===========================================================================
// ================== Initialize the logging system ==========================
// ===========================================================================
var logger = new (winston.Logger)({
transports: [
new (winston.transports.File)({
name: 'info-file',
filename: 'node-info.log',
level: 'info'
}),
new (winston.transports.File)({
name: 'error-file',
filename: 'node-error.log',
level: 'error'
})
]
});
// ==========================================================================
// ====================== start the webserver ==============================
// ==========================================================================
var server = app.listen(5000, ip.address(), function() {
console.log('Server running at http://'+ip.address()+':'+5000);
logger.log('info', 'Server running at http://'+ip.address()+':'+5000);
});
// ===========================================================================
// ================ Initialize express dependencies ==========================
// ===========================================================================
app.use(bodyParser.urlencoded({extended: false}));
app.use(bodyParser.json());
app.use(express.static(__dirname + '/../dist.prod'));
// Removing Angular's annoying # from the URL
app.get('/', function(req, res) {
res.sendFile(path.join(__dirname + '/../dist.prod/html/index.html'));
});
// ===========================================================================
// ================= Initialize the API routes ===============================
// ===========================================================================
app.use('/api/v1', v1);
var TUTORIALS_PATH = __dirname+'/../../tutorials';
var CMDS_REGEXP = /CMD\+=\("(.*)"\)/gmi;
var INSTR_REGEXP = /INSTR\+=\("(.*)"\)/gmi;
var C1_IP_REGEXP = /C1_IP="(.*)"/gmi;
var C1_GW_REGEXP = /C1_GW="(.*)"/gmi;
var C2_IP_REGEXP = /C2_IP="(.*)"/gmi;
var C2_GW_REGEXP = /C2_GW="(.*)"/gmi;
function grabTutorials(req, res, next){
var TUTORIALS = [];
fs.readdir(TUTORIALS_PATH, function(err, data) {
if (err) {
return console.log(err);
}
else
for(var x = 0; x < data.length; x++){
if(data[x].match(/^[^.]+$|.*\.sh/g)){
TUTORIALS.push(data[x]);
}
}
logger.log('info', 'Tutorials are sent to the client');
res.send(TUTORIALS);
});
}
function grabFile(req, res, next){
fs.readFile(TUTORIALS_PATH+'/'+req.params.tutorial, 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
var CMD = '';
var commands = [];
var INSTR = '';
var instructions = [];
var IP1 = '';
var IP2 = '';
var GW1 = '';
var GW2 = '';
CMD = data.match(CMDS_REGEXP);
INSTR = data.match(INSTR_REGEXP);
IP1 = data.match(C1_IP_REGEXP);
IP2 = data.match(C2_IP_REGEXP);
GW1 = data.match(C1_GW_REGEXP);
GW2 = data.match(C2_GW_REGEXP);
IP1 = IP1[0].replace('C1_IP="', "").replace('"', "");
IP2 = IP2[0].replace('C2_IP="', "").replace('"', "");
GW1 = GW1[0].replace('C1_GW="', "").replace('"', "");
GW2 = GW2[0].replace('C2_GW="', "").replace('"', "");
for(var x = 0; x < INSTR.length; x++){
commands.push(CMD[x].replace('CMD+=("', "").replace('")', ""));
instructions.push(INSTR[x].replace('INSTR+=("', "").replace('")', ""));
}
exec('/vagrant/netns.sh '+IP1+' '+GW1+' '+IP2+' '+GW2, function(error, stdout, stderr) {
res.send({commands: commands, instructions: instructions});
});
});
}
function runCommand(req, res, next){
//Removing the out of bounds error
if(req.body.command == ''){req.body.command = ' '}
exec(req.body.command, function(error, stdout, stderr) {
if(stderr){res.send(stderr)}
else if(stdout){res.send(stdout)}
else{res.send(error)}
});
}
v1.get('/tutorials', grabTutorials);
v1.get('/file/:tutorial', grabFile);
v1.post('/command', runCommand);
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