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router.js
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router.js
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var request = require('request');
var _ = require('lodash-node');
var send = require('./helpers').send;
var commands = [
'kick',
'ban',
'unban'
];
exports.registerRoutes = function (app, wss) {
app.get('/', function (req, res) {
res.send('Down for maintenence');
});
app.get('/channels', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var channels = _.uniq(wss.getChannels(req.query.channels), 'title');
res.json(channels);
});
app.get('/users', function (req, res) {
if (!authenticate(req, res))
return res.status(403).send('Forbidden');
// This is for creating temp accounts (user joins chat without creating account)
var client = wss.getClient(req.body),
user;
if (client) {
user = client.user;
}
res.json(user);
});
app.get('/clientip', function (req, res) {
if (!authenticate(req, res))
return res.status(403).send('Forbidden');
var client = wss.getClient(req.body);
if (client) return res.json(client.upgradeReq.headers['x-forwarded-for'] || client.upgradeReq.connection.remoteAddress);
return res.json('Not found', 404);
});
app.post('/trigger', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var body = req.body;
var command = parseCommand(body.data.body);
var channel = wss.getChannel({channel: body.channel});
var senderClient = wss.getClient({userId: body.sender_id});
if (!senderClient) return res.status(404).send('Couldn\'t find user');
var userIsModForThisChannel = senderClient.user.mod_powers.indexOf(channel.channel) > -1;
if (channel) {
if (command && (userIsModForThisChannel || senderClient.userId === 1)) {
execute(command, wss, channel, senderClient);
} else {
channel.broadcast(body.event, body.data, senderClient);
}
}
res.send('all good');
});
app.post('/notify', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var body = req.body,
userId = typeof body.data.user_id === 'string' ? parseInt(body.data.user_id) : body.data.user_id,
client = _.find(wss.clients, {userId: userId});
send(client, req.body.data);
res.send('good');
});
app.post('/command', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var client, channel;
switch (req.body.command) {
case 'remove-client':
client = wss.getClient({username: req.body.username});
if (client) {
var message = {event: 'disconnected-forced'};
if (req.body.data && req.body.data.reason) {
message.reason = req.body.data.reason;
}
send(client, message);
client.close(4000);
}
break;
case 'ban':
channel = wss.getChannel({channel: req.body.data.channel});
client = wss.getClient({username: req.body.data.args[0].replace('@', '').trim()});
if (client) {
client.user.bans.push(channel.channel);
if (channel) {
channel.banMember(client);
}
}
break;
case 'unban':
client = wss.getClient({username: req.body.data.args[0].replace('@', '').trim()});
if (client) {
for (var i = 0; i < client.user.bans.length; i++) {
if (client.user.bans[i] === req.body.data.channel) {
delete client.user.bans[i];
}
}
send(client, {
event: 12,
event_info: 'You have been unbanned from #' + req.body.data.channel.substr(4)
});
}
break;
case 'kick':
channel = wss.getChannel({channel: req.body.data.channel});
if (channel) {
client = channel.getMember({username: req.body.data.args[0].replace('@', '').trim()});
if (client) {
channel.kickMember(client);
} else {
return res.status(404).send('error');
}
}
break;
case 'shadowban':
client = wss.getClient({username: req.body.data.args[0].replace('@', '').trim()});
if (client) {
client.shadowbanned = true;
}
send(client, {
event: 'wss_token'
});
break;
case 'disconnect-user':
client = wss.getClient({username: req.body.data.args[0].replace('@', '').trim()});
if (client) {
try {
client.close();
} catch (e) {
//
}
}
break;
}
res.send('good');
});
app.post('/updateChatroomState', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var channel = wss.getChannel({channel: req.body.channel});
if (req.body.property === 'settings') {
try {
channel[req.body.property] = JSON.parse(req.body.value);
channel.broadcast('chatroom-state-change', {
settings: channel.settings
});
} catch (e) {
//
}
} else {
channel[req.body.property] = req.body.value;
}
return res.send('Good');
});
app.post('/updateUserState', function (req, res) {
if (!authenticate(req, res)) return res.status(403).send('Forbidden');
var client = wss.getClient({userId: req.body.user_id});
if (client) {
client.user[req.body.property] = req.body.value;
var data = {id: client.user.id};
data[req.body.property] = req.body.value;
for (var i = 0; i < client.subscribedChannels.length; i++) {
client.subscribedChannels[i].broadcast('user-state-change', data);
}
}
return res.send('Good');
});
};
/**
*
* @param req
* @param res
* @returns {boolean}
*/
function authenticate(req, res) {
return req.headers['x-secret-key'] === process.env.APP_SECRET;
}
/**
* Try to parse command, else return false
*
* @param msg
* @returns obj | bool
*/
function parseCommand(msg) {
var trimmed = typeof msg === 'string' ? msg.trim(/\s+$/g) : '',
pattern, regex;
for (var i = 0; i < commands.length; i++) {
pattern = '^\\/' + commands[i] + '\\s@?[a-zA-Z0-9-_]+(\\s[a-zA-Z0-9-_]+)?$';
regex = new RegExp(pattern);
if (regex.test(trimmed)) {
var args = trimmed.match(/(?!\s)[a-zA-Z0-9-_]+/g);
args.shift();
return {
command: commands[i],
args: args
};
}
}
return false;
}
/**
* Execute command
*
* @param command
* @param wss
* @param channel
* @param moderatorClient
*/
function execute(command, wss, channel, moderatorClient) {
var subjectUsername = command.args[0];
var subjectClient = wss.getClient({username: subjectUsername});
// The user is trying to ban/kick/whatever himself, don't allow.
if (moderatorClient.username.toLowerCase() === subjectUsername.toLowerCase()
|| (subjectClient && subjectClient.user.mod_powers.indexOf(channel.channel) > -1)) {
return false;
}
if (command.command === 'ban') {
var formData = {
bannedUserUsername: subjectUsername, // User to ban
source_id: moderatorClient.userId, // User who banned other user
type: 'ban',
channel: channel.channel,
secret: process.env.APP_SECRET // This secret will act as a password between servers
};
request.post(process.env.AUTH_URL + '/api/rules', {form: formData}, function (error, response, body) {
if (subjectClient) {
channel.banMember(subjectClient);
}
// Notify mod that it was successful
send(moderatorClient, {
event: 'command-success',
type: 'ban',
subject: subjectUsername,
channel: channel.channel
});
});
} else if (command.command === 'unban') {
subjectClient = wss.getClient({username: subjectUsername});
// todo send request to php server for unban
request({
method: 'DELETE',
url: process.env.AUTH_URL + '/api/rules/unban',
qs: {
// User to ban
bannedUserUsername: subjectUsername,
// User who banned other user
source_id: moderatorClient.userId,
// Although this is an 'unban' request, the model on the server
// is stored with 'type' ban, we need to tell the server
// what the correct type is so it can find and delete it
type: 'ban',
channel: channel.channel,
// This secret will act as a password
// so that only the ws server can access
// this endpoint. No one will know...
secret: process.env.APP_SECRET
}
}, function (error, response, body) { // Notify moderator that user was unbanned
send(moderatorClient, {
event: 'command-success',
type: 'unban',
subject: subjectUsername,
channel: channel.channel
});
if (subjectClient) {
send(subjectClient, {
event: 'unbanned-from-channel',
channel: channel.channel
});
}
});
} else if (command.command === 'kick') {
if (channel && subjectClient) {
channel.kickMember(subjectClient);
send(moderatorClient, {
event: 'command-success',
type: 'kick',
subject: subjectUsername,
channel: channel.channel
});
}
}
}