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Authentication + Social (@colyseus/social)

This section covers the configuration and usage of @colyseus/social.

@colyseus/social is an experimental module that provides general-purpose backend services to speed-up your multiplayer game development experience. The API is open for suggestions and improvement.

Tip

If you're looking to implement your own authentication method, see Server API ยป Authentication

Installation

  1. Download and install MongoDB

  2. Install the @colyseus/social module.

npm install @colyseus/social
npm install express-jwt

  1. Import and expose the Express routes provided by @colyseus/social.
import express from "express";
import socialRoutes from "@colyseus/social/express"

const app = express();
app.use("/", socialRoutes);

app.listen(8080);
const express = require("express");
const socialRoutes = require("@colyseus/social/express").default;

const app = express();
app.use("/", socialRoutes);

app.listen(8080);

Server-side configuration

Environment Variables

  • MONGO_URI: MongoDB connection URI
  • JWT_SECRET: Secure secret string for authentication.
  • FACEBOOK_APP_TOKEN: Facebook App Token ("appid|appsecret")

Server-side API

The @colyseus/social module provides the MongoDB models, and the token validation function available for you to use.

import { User, FriendRequest, verifyToken } from "@colyseus/social";

Implementing onAuth to retrieve the current user

import { User, verifyToken } from "@colyseus/social";

class MyRoom extends Room {

  async onAuth(client, options) {
    // verify token authenticity
    const token = verifyToken(options.token);

    // query the user by its id
    return await User.findById(token._id);
  }

  onJoin(client, options, user) {
    console.log(user.username, "has joined the room!");
  }

}

Hooks

hooks.beforeAuthenticate

The beforeAuthenticate hook is triggered before a user logs in or registers.

import { hooks } from "@colyseus/social";

hooks.beforeAuthenticate((provider, $setOnInsert, $set) => {
    // assign default metadata upon registration
    $setOnInsert.metadata = {
      coins: 100,
      trophies: 0
    };
});

hooks.beforeUserUpdate

The beforeUserUpdate hooks is triggered before a user update his own information through the save() method.

import Filter from "bad-words";
const filter = new Filter();

hooks.beforeUserUpdate((_id, fields) => {
  if (fields['username'] && filter.isProfane(fields['username'])) {
    throw new Error("no_swearing_allowed");
  }
})

Client-side API

Login

Anonymous

await client.auth.login();
await client.Auth.Login();
client.auth:login(function(err, auth)
  -- ...
end);

Email + Password

await client.auth.login({
  email: "user@example.com",
  password: "12345"
});
await client.Auth.Login("user@example.com", "12345");
client.auth:login({
  email = "user@example.com",
  password = "12345"
}, function(err, auth)
  -- ...
end)

Facebook

//
// Make sure you have the Facebook SDK installed and configured first
// - https://developers.facebook.com/docs/javascript/quickstart
// - https://developers.facebook.com/docs/facebook-login/web
//

FB.login(function(response) {
  if (response.authResponse) {
    client.auth.login({ accessToken: response.authResponse.accessToken });
  }
}, { scope: 'public_profile,email,user_friends' });
//
// Make sure you have the Facebook SDK installed and configured first
// - https://developers.facebook.com/docs/unity/gettingstarted
// - https://developers.facebook.com/docs/unity/examples#login
//
var perms = new List<string>(){"public_profile", "email", "user_friends"};
FB.LogInWithReadPermissions(perms, AuthCallback);

private void AuthCallback (ILoginResult result) {
    if (FB.IsLoggedIn) {
        client.Auth.Login(Facebook.Unity.AccessToken.CurrentAccessToken);
    }
}
client.auth:facebook_login(function(err, auth)
  pprint(auth)
end)

Update User Data

You can modify the username, displayName, avatarUrl, lang, location, and timezone from the client-side, and then call the save() method.

client.auth.username = "Hello world!"
await client.auth.save();
client.Auth.Username = "Hello world!";
await client.Auth.Save();
client.auth.username = "Hello world!"
client.auth:save()

Logout

client.auth.logout();
client.Auth.Logout();
client.auth:logout();

Get Friends

const friends = await client.auth.getFriends();
friends.forEach(friend => {
  console.log(friend.username);
});
var friends = await client.Auth.GetFriends();
for (var i=0; i<friends.Length; i++)
{
  Debug.Log(friends[i].Username);
}
client.auth:get_friends(function(err, friends)
  for i, friend in pairs(friends) do
    print(friend.username)
  end
end);

Get Online Friends

const friends = await client.auth.getOnlineFriends();
friends.forEach(friend => {
  console.log(friend.username);
});
var friends = await client.Auth.GetOnlineFriends();
for (var i=0; i<friends.Length; i++)
{
  Debug.Log(friends[i].Username);
}
client.auth:get_online_friends(function(err, friends)
  for i, friend in pairs(friends) do
    print(friend.username)
  end
end);

Get Friend Requests

const friends = await client.auth.getFriendRequests();
friends.forEach(friend => {
  console.log(friend.username);
});
var friends = await client.Auth.GetFriendRequests();
for (var i=0; i<friends.Length; i++)
{
  Debug.Log(friends[i].Username);
}
client.auth:get_friend_requests(function(err, friends)
  for i, friend in pairs(friends) do
    print(friend.username)
  end
end);

Accept Friend Request

await client.auth.acceptFriendRequest(friendId);
await client.Auth.AcceptFriendRequest(friendId);
client.auth:accept_friend_request(friend_id)

Decline Friend Request

await client.auth.declineFriendRequest(friendId);
await client.Auth.DeclineFriendRequest(friendId);
client.auth:decline_friend_request(friend_id)

Send Friend Request

await client.auth.sendFriendRequest(friendId);
await client.Auth.SendFriendRequest(friendId);
client.auth:send_friend_request(friend_id)

Block User

await client.auth.blockUser(friendId);
await client.Auth.BlockUser(friendId);
client.auth:block_user(friend_id)

Unblock User

await client.auth.unblockUser(friendId);
await client.Auth.UnblockUser(friendId);
client.auth:unblock_user(friend_id)