steam login plugin for discourse

plugin.rb

# name: discourse-steam
# about: VALVE's Steam login support for Discourse
# version: 0.0.1
# authors: Colin Shea

auth_provider :title => 'with Steam',
              :authenticator => Auth::OpenIdAuthenticator.new('steam','http://steamcommunity.com/openid', trusted: true),
              :message => 'Authenticating with Steam (make sure pop up blockers are not enabled)',
              :frame_width => 1000,   # the frame size used for the pop up window, overrides default
              :frame_height => 800

# Discourse ships with Zocial, which includes a Steam icon already!
register_css <<CSS

.btn-social.steam {
  background: #000;
  color: #EFE;
}

.btn-social.steam:before {
  content: "b";
}
CSS

I've created a complete Discourse Steam plugin available here