openvidu-basic-ruby to LiveKit

openvidu-basic-ruby/Gemfile

@@ -3,4 +3,5 @@ source 'https://rubygems.org'
 gem 'sinatra'
 gem 'sinatra-cors'
 gem 'faraday'
-gem 'json'
+gem 'json'
+gem 'livekit-server-sdk'

openvidu-basic-ruby/Gemfile.lock

@@ -1,24 +1,36 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    faraday (2.7.4)
+    base64 (0.1.1)
+    faraday (2.7.11)
+      base64
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
+    google-protobuf (3.24.4-x86_64-linux)
     json (2.6.3)
+    jwt (2.7.1)
+    livekit-server-sdk (0.5.6)
+      google-protobuf (>= 3.21.0, < 4.0)
+      jwt (>= 2.2.3, < 3.0)
+      rack (>= 2.2.3, < 3.0)
+      twirp (>= 1.10.0, < 2.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.6.4)
-    rack-protection (3.0.5)
-      rack
+    rack (2.2.8)
+    rack-protection (3.1.0)
+      rack (~> 2.2, >= 2.2.4)
     ruby2_keywords (0.0.5)
-    sinatra (3.0.5)
+    sinatra (3.1.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.5)
+      rack-protection (= 3.1.0)
       tilt (~> 2.0)
     sinatra-cors (1.2.0)
-    tilt (2.1.0)
+    tilt (2.3.0)
+    twirp (1.10.0)
+      faraday (< 3)
+      google-protobuf (~> 3.0, >= 3.7.0)
 
 PLATFORMS
   x86_64-linux
@@ -26,8 +38,9 @@ PLATFORMS
 DEPENDENCIES
   faraday
   json
+  livekit-server-sdk
   sinatra
   sinatra-cors
 
 BUNDLED WITH
-   2.4.10
+   2.4.12

openvidu-basic-ruby/app.rb

@@ -4,12 +4,14 @@ require 'sinatra'
 require 'sinatra/cors'
 require 'faraday'
 require 'json'
+require 'livekit'
 require './env.rb'
 
 # Load env variables
 SERVER_PORT = ENV['SERVER_PORT']
-OPENVIDU_URL = ENV['OPENVIDU_URL']
-OPENVIDU_SECRET = ENV['OPENVIDU_SECRET']
+LIVEKIT_URL = ENV['LIVEKIT_URL']
+LIVEKIT_API_KEY = ENV['LIVEKIT_API_KEY']
+LIVEKIT_API_SECRET = ENV['LIVEKIT_API_SECRET']
 
 set :port, SERVER_PORT
 
@@ -18,47 +20,26 @@ set :allow_origin, "*"
 set :allow_methods, "POST,OPTIONS"
 set :allow_headers, "content-type"
 
-post '/api/sessions' do
-  begin
-    body = request.body.read
-    response = Faraday.post do |req|
-      req.url "#{OPENVIDU_URL}openvidu/api/sessions"
-      req.headers['Content-Type'] = 'application/json'
-      req.headers['Authorization'] = "Basic #{Base64.encode64("OPENVIDUAPP:#{OPENVIDU_SECRET}").strip}"
-      req.body = body
-    end
-    if response.success?
-      (JSON.parse response.body)['sessionId']
-    else
-      if response.status == 409
-        # Session already exists in OpenVidu
-        (JSON.parse body)['customSessionId']
-      else
-        status response.status
-        body response.body
-      end
-    end
-  rescue Faraday::Error => err
-    err.response
-  end
-end
+post '/token' do
 
-post '/api/sessions/:sessionId/connections' do
-  begin
-    body = request.body.read
-    response = Faraday.post do |req|
-      req.url "#{OPENVIDU_URL}openvidu/api/sessions/#{params['sessionId']}/connection"
-      req.headers['Content-Type'] = 'application/json'
-      req.headers['Authorization'] = "Basic #{Base64.encode64("OPENVIDUAPP:#{OPENVIDU_SECRET}").strip}"
-      req.body = body
-    end
-    if response.success?
-      (JSON.parse response.body)['token']
-    else
-      status response.status
-      body response.body
-    end
-  rescue Faraday::Error => err
-    err.response
+  content_type :json
+
+  body = JSON.parse(request.body.read)
+  room_name = body['roomName']
+  participant_name = body['participantName']
+
+  if room_name.nil? || participant_name.nil?
+    status 400
+    return 'roomName and participantName are required'
   end
-end
+
+  # By default, a token expires after 6 hours.
+  # You may override this by passing in ttl when creating the token. ttl is expressed in seconds.
+  token = LiveKit::AccessToken.new(api_key: LIVEKIT_API_KEY, api_secret: LIVEKIT_API_SECRET)
+  token.identity = participant_name
+  token.name = participant_name
+  token.add_grant(roomJoin: true, room: room_name)
+  token.metadata = { "livekitUrl" =>  LIVEKIT_URL}
+
+  token.to_jwt
+end

openvidu-basic-ruby/env.rb

@@ -1,3 +1,4 @@
 ENV['SERVER_PORT'] = '5000'
-ENV['OPENVIDU_URL'] = 'http://localhost:4443/'
-ENV['OPENVIDU_SECRET'] = 'MY_SECRET'
+ENV['LIVEKIT_URL'] = 'ws://localhost:7880/'
+ENV['LIVEKIT_API_KEY'] = 'devkey'
+ENV['LIVEKIT_API_SECRET'] = 'secret'