Files
trunk-server/backend/index.js
2021-01-24 14:08:53 -05:00

425 lines
13 KiB
JavaScript

var express = require("express");
var passport = require("passport");
var util = require("util");
var secrets = require("./config/secrets");
var configurePassport = require("./config/passport");
var configureExpress = require("./config/express");
var calls = require("./controllers/calls");
var uploads = require("./controllers/uploads");
var systems = require("./controllers/systems");
var talkgroups = require("./controllers/talkgroups");
var groups = require("./controllers/groups");
var stats = require("./controllers/stats");
var config = require('./config/config.json');
var mongoose = require("mongoose");
var ObjectID = require('mongodb').ObjectID;
var db = require('./db');
var System = require("./models/system");
var Permission = require("./models/permission");
var multer = require('multer');
// -------------------------------------------
var app = express();
// -------------------------------------------
const server = require('http').createServer(app);
const io = require('socket.io')(server, {});
io.origins('*:*');
/*
io.origins((origin, callback) => {
//if (origin !== 'https://foo.example.com') {
// return callback('origin not allowed', false);
//}
callback(null, true);
});*/
io.on('connection', function(socket){
//console.log('a user connected');
socket.on('disconnect', function(){
//console.log('user disconnected');
});
});
function getRole(req) {
if (req.params.shortName && req.user) {
var short_name = req.params.shortName.toLowerCase();
var userId = req.user._id;
Permission.findOne({'userId': userId, 'shortName': short_name}, function(err, permission) {
if (err) {
console.error('Error - getRole userId: ' + userId + ' shortName: ' + short_name + ' error: ' + err);
return -1;
}
console.log('Found - getRole userId: ' + userId + ' shortName: ' + short_name + ' role: ' + permission.role);
return permission.role;
});
}
}
function isUser(req, res, next) {
if (req.params.shortName) {
var short_name = req.params.shortName.toLowerCase();
System.findOne({'shortName': short_name}, function(err, system) {
if (err) {
console.error('Error - System not found: ' + short_name);
res.status(505).send({
success: false,
message: "System Not Found"
});
}
if (!system.private) return next();
// Looks like the system is private...
if (getRole(req) > 0) return next();
res.status(401).send({
success: false,
message: "Insufficent Permission."
});
});
}
}
function isLoggedIn(req, res, next) {
if (req.isAuthenticated()) return next();
res.status(401).send({
success: false,
message: "Not Authenticated."
});
};
// -------------------------------------------
configurePassport(app, passport)
configureExpress(app, passport)
// -------------------------------------------
const connect = () => {
mongoose.connect(secrets.db, (err, res) => {
if (err) {
console.log(`Error connecting to ${secrets.db}. ${err}`)
} else {
console.log(`Successfully connected to ${secrets.db}.`)
}
})
}
connect()
mongoose.connection.on("error", console.error)
mongoose.connection.on("disconnected", connect)
/*
const WebSocket = require('ws');
const wss = new WebSocket.Server({
server
});*/
var upload = multer({
dest: config.uploadDirectory
});
function isLoggedIn(req, res, next) {
if (req.isAuthenticated()) return next();
res.status(401).send({
success: false,
message: "Not Authenticated."
});
};
var clients = [];
function addSystemClients(req, res, next) {
var systemClients = {};
for (var key in clients) {
if (clients.hasOwnProperty(key)) {
const client = clients[key];
const shortName = client.shortName;
if (client.active) {
if (systemClients.hasOwnProperty(shortName)) {
systemClients[shortName]++;
} else {
systemClients[shortName] = 1;
}
}
}
}
req.systemClients = systemClients;
next();
}
/*------ CALLS ----------*/
app.get('/card/:id', calls.get_card);
app.get('/:shortName/call/:id', calls.get_call);
app.get('/:shortName/calls/latest', calls.get_latest_calls);
app.get('/:shortName/calls/next', calls.get_next_calls);
app.get('/:shortName/calls/newer', calls.get_newer_calls);
app.get('/:shortName/calls/older', calls.get_older_calls);
app.get('/:shortName/calls/:time/older', calls.get_iphone_calls);
app.get('/:shortName/calls', calls.get_calls);
app.post('/:shortName/star/:id', calls.add_star, function(req,res) {
notify_clients(req.call);
});
/*------ UPLOADS ---------- upload.single('call'), uploads.upload,*/
app.post('/:shortName/upload', upload.single('call'), uploads.upload, function(req,res) {
notify_clients(req.call);
});
/*------ SYSTEMS ----------*/
app.get('/systems', addSystemClients, systems.get_systems);
/*------ TALKGROUPS ----------*/
app.get('/:shortName/talkgroups', talkgroups.get_talkgroups);
/*------ GROUPS ----------*/
app.get('/:shortName/groups', groups.get_groups);
/*------ STATS ----------*/
app.get('/:shortName/errors',stats.get_errors);
app.get('/:shortName/stats', stats.get_stats);
function get_clients(req, res) {
if (req.params.shortName) {
var short_name = req.params.shortName.toLowerCase();
} else {
var short_name = null;
}
var total = 0;
var response = [];
for (var key in clients) {
if (clients.hasOwnProperty(key)) {
total++;
if (!short_name || (clients[key].shortName == short_name)) {
var age = (Date.now() - clients[key].timestamp) / 1000;
var obj = {
shortName: clients[key].shortName,
filterCode: clients[key].filterCode,
filterName: clients[key].filterName,
filterType: clients[key].filterType,
filterStarred: clients[key].filterStarred,
active: clients[key].active,
talkgroupNums: clients[key].talkgroupNums,
timestamp: age
}
response.push(obj);
}
}
}
response.push({"total": total});
res.contentType('json');
res.send(JSON.stringify(response));
}
/*------ CLIENTS ----------*/
app.get('/clients', get_clients);
app.get('/:shortName/clients', get_clients);
app.use(function(err, req, res, next) {
console.error("Caught an error");
console.error(err.stack);
/*
res.status(err.status || 500);
res.contentType('json');
res.send(JSON.stringify({
message: err.message,
error: err
}));*/
});
app.get('/:shortName/clients', get_clients);
app.get('/clients', get_clients);
function notify_clients(call) {
call.type = "calls";
var sent = 0;
for (var key in clients) {
if (clients.hasOwnProperty(key)) {
var client = clients[key];
if (client.active) {
if (client.shortName == call.shortName.toLowerCase()) {
// if client is not filtering for stars, or if the client is filtering and the call has stars
if (!client.filterStarred || call.star) {
if (client.filterCode == "") {
sent++;
client.socket.emit("new message", JSON.stringify(call));
} else if (client.filterType == "unit") {
var codeArray = client.filterCode.split(',');
var success = false;
for (var j = 0; j < codeArray.length; ++j) {
for (var k = 0; k < call.srcList.length; k++) {
if (codeArray[j] == call.srcList[k]) {
sent++;
client.socket.emit("new message", JSON.stringify(call));
success = true;
break;
}
}
if (success) {
break;
}
}
} else {
var codeArray = client.talkgroupNums;
for (var j = 0; j < codeArray.length; ++j) {
if (codeArray[j] == call.talkgroupNum) {
client.socket.emit("new message", JSON.stringify(call));
sent++
break;
}
}
}
}
}
}
}
}
if (sent > 0) {
//console.log("[" + call.shortName.toLowerCase() + "] Sent call to " + sent + " clients");
}
}
io.sockets.on('connection', function (client) {
clients[client.id] = {socket: client, active: false};
clients[client.id].timestamp = new Date();
client.on('start', function (data) {
if (clients[client.id] && data.shortName) {
clients[client.id].active = true;
clients[client.id].shortName = data.shortName.toLowerCase();
clients[client.id].filterCode = String(data.filterCode);
clients[client.id].filterName = data.filterName;
clients[client.id].filterStarred = data.filterStarred;
clients[client.id].filterType = String(data.filterType);
clients[client.id].talkgroupNums = [];
clients[client.id].timestamp = new Date();
if ((data.filterType == "group") && (data.filterCode.indexOf(',') == -1)) {
db.get().collection("groups", function(err, groupCollection) {
if (err || !groupCollection) {
console.error("Error - unable to open groups collection: " + err);
delete clients[client.id];
return;
}
if (!ObjectID.isValid(data.filterCode)) {
console.error("Error - Socket - Invalid Group ID: " + data.filterCode);
delete clients[client.id];
return;
}
groupCollection.findOne({
'shortName': data.shortName.toLowerCase(),
'_id': ObjectID.createFromHexString(data.filterCode)
}, function(err, group) {
if (err) {
console.warn("[" + data.shortName.toLowerCase() + "] Error - WebSocket Group ID not Found! Error: " + err + " Group ID: " + data.filterCode);
delete clients[client.id];
return;
} else {
if (group && clients[client.id]) {
clients[client.id].talkgroupNums = group.talkgroups;
} else {
console.error("Error - Socket: Invalid group or Client: " + data.filterCode + " Shortname: " + data.shortName + " ClientID: " + client.id);
delete clients[client.id];
return;
}
}
});
});
} if ((data.filterType == "talkgroup") && Array.isArray(data.filterCode)) {
clients[client.id].talkgroupNums = data.filterCode;
}
//console.log("[" + data.shortName.toLowerCase() + "] WebSocket Updating - Client: " + client.id + " code set to: " + data.filterCode + " type set to: " + data.filterType + " TGS: " + clients[client.id].talkgroupNums);
} else{
console.error("Error - Socket.io [Start] either client not found or no Short Name");
}
});
client.on('stop', function (data) {
if (clients[client.id] ) {
clients[client.id].active = false;
} else{
console.error("Error - Socket.io [Stop] either client not found ");
}
});
client.on('disconnect', function() {
delete clients[client.id];
});
});
//console.log("stats: " + util.inspect(call_stats));
// Connect to Mongo on start
db.connect(function(err) {
if (err) {
console.log('Unable to connect to Mongo.')
process.exit(1)
} else {
stats.init_stats();
server.listen(app.get("port"), (err) => {
if (err) {
console.err(err.stack)
} else {
console.log(`App listening on port ${app.get("port")} [${process.env.NODE_ENV} mode]`)
}
})
}
})
/*
var calcRule = new schedule.RecurrenceRule();
calcRule.minute = 4;
var calcSched = schedule.scheduleJob(calcRule, function() {
console.log('Time to calulcate stats');
call_stats.build_call_volume();
console.log('Time to calulcate usage');
call_stats.build_usage();
});
*/
module.exports = app;