Merge pull request errbit#644 from pyro2927/feature/github_org_auth

Allow users of a specific GitHub organization to login

app/controllers/users/omniauth_callbacks_controller.rb

@@ -4,6 +4,16 @@ def github
     github_token = env["omniauth.auth"].credentials.token
     github_user  = User.where(:github_login => github_login).first
 
+    if github_user.nil? && Errbit::Config.github_org_id
+      # See if they are a member of the organization that we have access for
+      # If they are, automatically create an account
+      client = client = Octokit::Client.new :access_token => github_token
+      org_ids = client.organizations.map { |org| org.id.to_s }
+      if org_ids.include? Errbit::Config.github_org_id
+        github_user = User.create(name: env["omniauth.auth"].extra.raw_info.name, email: env["omniauth.auth"].extra.raw_info.email)
+      end
+    end
+
     # If user is already signed in, link github details to their account
     if current_user
       # ... unless a user is already registered with same github login

config/initializers/_load_config.rb

@@ -24,6 +24,7 @@
     Errbit::Config.github_authentication = ENV['GITHUB_AUTHENTICATION']
     Errbit::Config.github_client_id = ENV['GITHUB_CLIENT_ID']
     Errbit::Config.github_secret = ENV['GITHUB_SECRET']
+    Errbit::Config.github_org_id = ENV['GITHUB_ORG_ID'] if ENV['GITHUB_ORG_ID']
     Errbit::Config.github_access_scope = ENV['GITHUB_ACCESS_SCOPE'].split(',').map(&:strip) if ENV['GITHUB_ACCESS_SCOPE']
 
     Errbit::Config.smtp_settings = {