This gem allows you to authenticate users using ldap

Add this line to your application's Gemfile:

gem 'bn-ldap-authentication'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install bn-ldap-authentication

To use the gem pass a hash containing the users user_id and password to the send_ldap_request method allow with the ldap server configuration parameters. The send_ldap_request method will then return the user's information