Module: Roda::RodaPlugins::HttpAuth::RequestMethods

Defined in:
lib/roda/plugins/http_auth.rb

Instance Method Summary collapse

Instance Method Details

#_extract_credentials ⇒ Object 



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# File 'lib/roda/plugins/http_auth.rb', line 59

def _extract_credentials
  authorization = env['HTTP_AUTHORIZATION'].split(' ', 2).last
  parts = authorization.split(',')

  return parts.first if parts.one? && !parts.first.include?('=')

  key_values = parts.map {|p| p.strip.split(/\=\"?/) }
                    .map {|k, v| [k, v.chomp('"').gsub(/\\\"/, '"')] }

  Hash[key_values]
end

#http_auth(opts = {}, &authenticator) ⇒ Object 



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# File 'lib/roda/plugins/http_auth.rb', line 26

def http_auth(opts={}, &authenticator)
  auth_opts = roda_class.opts[:http_auth].merge(opts)
  authenticator ||= auth_opts[:authenticator]

  raise "Must provide an authenticator block" if authenticator.nil?

  begin
    auth = Rack::Auth::Basic::Request.new(env)

    unless auth.provided? && auth_opts[:schemes].include?(auth.scheme)
      auth_opts[:unauthorized].call(self) if auth_opts[:unauthorized]
      halt [401, auth_opts[:unauthorized_headers].call(auth_opts), []]
    end

    credentials = if auth.basic?
                    auth.credentials
                  elsif auth.scheme == 'bearer'
                    [env['HTTP_AUTHORIZATION'].strip.split(' ').last]
                  else
                    [auth.scheme, _extract_credentials]
                  end

    if authenticator.call(*credentials)
      env['REMOTE_USER'] = auth.username
    else
      opts[:unauthorized].call(self) if auth_opts[:unauthorized]
      halt [401, auth_opts[:unauthorized_headers].call(auth_opts), []]
    end
  rescue StandardError
    halt [400, auth_opts[:bad_request_headers].call(auth_opts), []]
  end
end