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|
#!/usr/bin/env ruby
# IRC/OBS-websocket scene management bridge
require 'json'
require 'socket'
require 'openssl'
require 'websocket'
require 'net/http'
require 'pp'
confdir = Dir.home + '/.config/twitch/'
ENV['APPDATA'] && confdir = ENV['APPDATA'] + "\\twitch\\"
ENV['XDG_CONFIG_HOME'] && confdir = ENV['XDG_CONFIG_HOME'] + '/twitch/'
access_token = IO.read( confdir + 'access_token' ).chomp
channel = IO.read( confdir + 'channel' ).chomp
client_id = IO.read( confdir + 'client_id' ).chomp
unix_socket_path = confdir + 'chat_socket'
obs_password = IO.read( confdir + 'obs_password' ).chomp
def ircsocketwrite( unix_socket_path, text )
unix_socket = UNIXSocket.new( unix_socket_path )
unix_socket.print( text )
rescue
ensure
unix_socket.close
end
def websocketwrite( json )
$tcp_socket.write( WebSocket::Frame::Outgoing::Client.new( data: json, type: :text ).to_s )
rescue IOError, EOFError
$tcp_socket.close
websocket_create()
retry
end
# the obsreader thread specially interprets unusual message-id-keyed responses; '1' will be a safe default.
def SetSourceRender( source, render = 'true', id = '1' )
websocketwrite( '{ "request-type": "SetSourceRender", "message-id" : "' + id.to_s + '", "source" : "' + source + '", "render" : ' + render.to_s + ' }' )
end
def GetCurrentScene( id = '1' )
websocketwrite( '{ "request-type": "GetCurrentScene", "message-id" : "' + id.to_s + '" }' )
end
def GetSceneList( id = '1' )
websocketwrite( '{ "request-type": "GetSceneList", "message-id" : "' + id.to_s + '" }' )
end
def SetCurrentScene( scene, id = '1' )
websocketwrite( '{ "request-type": "SetCurrentScene", "message-id" : "' + id.to_s + '", "scene-name": "' + scene + '" }' )
end
def GetStreamingStatus( id = '1' )
websocketwrite( '{ "request-type": "GetStreamingStatus", "message-id" : "' + id.to_s + '" }' )
end
def transientsource( source )
Thread.new {
SetSourceRender( 'media-' + source , false )
sleep 0.1
SetSourceRender( 'media-' + source , true )
sleep 60
SetSourceRender( 'media-' + source , false )
}
end
#json["subscriptions"][0]["user"]["name"]
def websocket_create()
begin
$tcp_socket = TCPSocket.new( '127.0.0.1', 4444 )
$tcp_socket.write( WebSocket::Handshake::Client.new( url: 'ws://localhost/' ).to_s )
IO.select( [ $tcp_socket ] )
print $tcp_socket.read_nonblock( 4096 )
websocketwrite( '{ "request-type": "GetAuthRequired", "message-id" : "1" }' )
# Let the obsreader thread do the actual authentication.
rescue IOError, EOFError
$tcp_socket.close
sleep 1
retry
end
end
websocket_create()
frame = WebSocket::Frame::Incoming::Client.new
frame_decoded = String.new
status = Hash.new
$lastused = Hash.new
$globallastused = 0
def command_dispatch( mode, user, command, arg1 )
# arg1 may be empty String
safe = /^[-0-9a-zA-Z]+$/
if mode == '@' && command == 'scene'
if arg1 =~ safe
SetCurrentScene( arg1 )
return
else
GetSceneList( )
return
end
elsif mode == '@' && command == 'source'
if arg1 =~ safe
# GetCurrentScene for current visibility state
GetCurrentScene( arg1 )
# SetSourceRender to toggle
return
else
GetCurrentScene( )
return
end
elsif mode == '@' && command == 'commands'
ircsocketwrite( unix_socket_path, "!source !scene !metaminute !nopgl1 !nopgl2\n" )
return
end
# ratelimited commands after +o commands
if ( ! $lastused[ command ] || $lastused[ command ] <= ( Time.now.to_i - 120 ) ) && $globallastused <= ( Time.now.to_i - 60 ) # || mode == '@'
$globallastused = Time.now.to_i
$lastused[ command ] = Time.now.to_i
if command =~ /^(metaminute|nopgl1|nopgl2)$/
transientsource( command )
return
elsif command == 'commands'
ircsocketwrite( unix_socket_path, "!metaminute !nopgl1 !nopgl2\n" )
return
end
end
end
# irclog read loop event thread
ircreader = Thread.new {
begin
irclog = IO.popen('/usr/bin/tail -n0 -F ' + ENV['HOME'] + '/irclogs/twitch/#' + channel + '.log' )
irclog.each_line do |line|
if ( match = line.match(/^\d\d:\d\d <([@ +])(.+)?> *!([-0-9a-zA-Z]+) *([-0-9a-zA-Z]*)/) )
command_dispatch( *match.to_a[1..4] )
end
end
rescue
ensure
irclog.close
end
}
# websocket read loop event thread
obsreader = Thread.new {
begin
while true
frame << $tcp_socket.read_nonblock( 4096 )
while ( frame_decoded = frame.next.to_s ) != ""
frame_parsed = JSON.parse(frame_decoded)
if frame_parsed["update-type"] == "StreamStatus"
status = frame_parsed
elsif frame_parsed['current-scene'] && frame_parsed['scenes'] # GetSceneList
text = '| Current scene: ' + frame_parsed['current-scene'] + ' | Available: ' + frame_parsed['scenes'].map{|v| v['name'] }.sort.join(' ') + "\n"
print text
ircsocketwrite( unix_socket_path, text )
elsif frame_parsed['name'] && frame_parsed['sources'] # GetCurrentScene
pp frame_parsed
text = '| Sources: ' + frame_parsed['sources'].map{|v| v['name'] }.sort.join(' ') + "\n"
print text
if frame_parsed['message-id'] == '1'
ircsocketwrite( unix_socket_path, text )
else # other message-ids are a source we want to toggle
frame_parsed['sources'].each do |v|
if v['name'] == frame_parsed['message-id']
if v['render'] == true
SetSourceRender( v['name'], 'false', '2' )
ircsocketwrite( unix_socket_path, '| Source ' + v['name'] + " is now unrendered\n" )
elsif v['render'] == false
SetSourceRender( v['name'], 'true', '2' )
ircsocketwrite( unix_socket_path, '| Source ' + v['name'] + " is now visible\n" )
end
end
end
end
elsif frame_parsed['update-type'] == 'SwitchScenes'
ircsocketwrite( unix_socket_path, '| Scene is now ' + frame_parsed['scene-name'] + "\n" )
#elsif frame_parsed['update-type'] == 'SceneItemVisibilityChanged'
# ircsocketwrite( unix_socket_path, '| Source ' + frame_parsed['item-name'] + ' visibility is now ' + frame_parsed['item-visible'].to_s + "\n" )
elsif frame_parsed['authRequired'] == true # GetAuthRequired
websocketwrite( '{ "request-type": "Authenticate", "message-id" : "2", "auth" : "' + Digest::SHA256.base64digest(Digest::SHA256.base64digest(obs_password + frame_parsed['salt'])+frame_parsed['challenge']) + '" }' )
else
print frame_decoded
end
end
#pp JSON.parse(frame_decoded)
end
rescue IO::WaitReadable, IO::EAGAINWaitReadable, JSON::ParserError
IO.select([$tcp_socket])
retry
rescue IOError, EOFError
$tcp_socket.close
websocket_create()
retry
end
}
|
