app/controllers/sessions_controller.rb


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class SessionsController < Devise::SessionsController
  def new
    redirect_path =
      if request.referer.present? && (params['redirect_to_referer'] == 'yes')
        referer_uri = URI(request.referer)
        if referer_uri.host == Gitlab.config.gitlab.host
          referer_uri.path
        else
          request.fullpath
        end
      else
        request.fullpath
      end

    # Prevent a 'you are already signed in' message directly after signing:
    # we should never redirect to '/users/sign_in' after signing in successfully.
    unless redirect_path == '/users/sign_in'
      store_location_for(:redirect, redirect_path)
    end

    if Gitlab.config.ldap.enabled
      @ldap_servers = Gitlab::LDAP::Config.servers
    end

    super
  end

  def create
    super do |resource|
      # User has successfully signed in, so clear any unused reset tokens
      if resource.reset_password_token.present?
        resource.update_attributes(reset_password_token: nil,
                                   reset_password_sent_at: nil)
      end
    end
  end
end