Class: Rack::Legacy::Cgi

Inherits:

Object

• Object
• Rack::Legacy::Cgi

show all

Defined in:

lib/rack/legacy/cgi.rb

Instance Attribute Summary (collapse)

• - (Object) public_dir readonly

  Returns the value of attribute public_dir.

Instance Method Summary (collapse)

• - (Object) call(env)

  Middleware, so if it looks like we can run it then do so.

• - (Cgi) initialize(app, public_dir = FileUtils.pwd) constructor

  Will setup a new instance of the Cgi middleware executing programs located in the given public_dir.

• - (Boolean) valid?(path)

  Check to ensure the path exists and it is a child of the public directory.

use Rack::Legacy::Cgi, 'cgi-bin'

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# File 'lib/rack/legacy/cgi.rb', line 14

def initialize(app, public_dir=FileUtils.pwd)
  @app = app
  @public_dir = public_dir
end

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# File 'lib/rack/legacy/cgi.rb', line 8

def public_dir
  @public_dir
end

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# File 'lib/rack/legacy/cgi.rb', line 21

def call(env)
  if valid? env['PATH_INFO']
    run env, full_path(env['PATH_INFO'])
  else
    @app.call env
  end
end

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# File 'lib/rack/legacy/cgi.rb', line 31

def valid?(path)
  fp = full_path path
  fp.start_with?(::File.expand_path public_dir) &&
  ::File.file?(fp) && ::File.executable?(fp)
end