Class: Spade::Server::CommandRunner

Inherits:
Object
  • Object
show all
Defined in:
lib/spade/server.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ CommandRunner

Returns a new instance of CommandRunner.



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# File 'lib/spade/server.rb', line 22

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object

FIXME: This is not very safe, we should have some restrictions



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# File 'lib/spade/server.rb', line 27

def call(env)
  if env['PATH_INFO'] == '/_spade/command'
    rack_input = env["rack.input"].read
    params = Rack::Utils.parse_query(rack_input, "&")

    command_path = params['command']
    return [500, {}, "command required"] if command_path.nil? || command_path.empty?

    if ((root = params['pkgRoot']) && !root.nil?)
      command_path = File.expand_path(File.join(command_path), root)
    end

    tempfile = Tempfile.new('spade-server')
    tempfile.write(params['code'])
    tempfile.close


    puts "Running: #{command_path}"

    output, error = nil
    process = ChildLabor.subprocess("#{command_path} < #{tempfile.path}") do |p|
      output = p.read
      error = p.read_stderr
    end

    tempfile.delete

    if process.exit_status == 0
      [200, {}, output]
    else
      [500, {}, error]
    end
  else
    env['PATH_INFO'] == '/index.html' if env['PATH_INFO'] == '/'
    @app.call(env)
  end
end