62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const RedisConnection = require('ioredis');
|
||
|
|
const websockets = require('./websockets');
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
connectRedis(){
|
||
|
|
const redisHost = process.env.REDIS_PORT_6379_TCP_ADDR || 'localhost';
|
||
|
|
this.connection = new RedisConnection(6379, redisHost);
|
||
|
|
},
|
||
|
|
sendMessage(action, model, attributes, channelId) {
|
||
|
|
const data = JSON.stringify({
|
||
|
|
channel_id: channelId,
|
||
|
|
action: action,
|
||
|
|
model: model,
|
||
|
|
object: attributes
|
||
|
|
});
|
||
|
|
this.connection.publish('updates', data);
|
||
|
|
},
|
||
|
|
logIp(ip, cb) {
|
||
|
|
this.connection.incr("ip_"+ ip, (err, socketCounter) => {
|
||
|
|
cb();
|
||
|
|
});
|
||
|
|
},
|
||
|
|
rateLimit(namespace, ip, cb) {
|
||
|
|
const key = "limit_"+ namespace + "_"+ ip;
|
||
|
|
const redis = this.connection;
|
||
|
|
|
||
|
|
redis.get(key, (err, count)=> {
|
||
|
|
if (count) {
|
||
|
|
if(count < 150) {
|
||
|
|
redis.incr(key, (err, newCount) => {
|
||
|
|
if (newCount==150) {
|
||
|
|
// limit
|
||
|
|
}
|
||
|
|
cb(true);
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
cb(false);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
redis.set(key, 1, (err, count) => {
|
||
|
|
redis.expire(key, 1800, (err, expResult) => {
|
||
|
|
cb(true);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
isOnlineInSpace(user, space, cb) {
|
||
|
|
this.connection.smembers("space_" + space._id.toString(), function(err, list) {
|
||
|
|
if (err) cb(err);
|
||
|
|
else {
|
||
|
|
var users = list.filter(function(item) {
|
||
|
|
return user._id.toString() === item;
|
||
|
|
});
|
||
|
|
cb(null, (users.length > 0));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|