#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2017 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

namespace :ldap_groups do
  desc 'Synchronize groups and their users from the LDAP auth source.' \
       'Will only synchronize for those users already present in the application.'
  task synchronize: :environment do

    next unless EnterpriseToken.allows_to?(:ldap_groups)

    begin
      LdapAuthSource.find_each do |ldap|
        puts ("-" * 20)
        puts "Synchronizing for ldap auth source #{ldap.name}"
        OpenProject::LdapGroups::Synchronization.new(ldap)
      end
    rescue =>  e
      msg = "Failed to run LDAP group synchronization. #{e.class.name}: #{e.message}"
      Rails.logger.error msg
      warn msg
    end
  end

  namespace :development do
    desc 'Create a development LDAP server from the fixtures LDIF'
    task :ldap_server do
      require 'ladle'
      ldif = File.expand_path('../../../spec/fixtures/users.ldif', __FILE__)
      ldap_server = Ladle::Server.new(quiet: false, port: '12389', domain: 'dc=example,dc=com', ldif: ldif).start

      puts <<~EOS
      
      LDAP server ready at localhost:12389
      Users Base dn: ou=people,dc=example,dc=com
      Admin account: uid=admin,ou=system
      Admin password: secret

      --------------------------------------------------------

      Attributes
      Login: uid
      First name: givenName
      Last name: sn
      Email: mail
      memberOf: (Hard-coded, not virtual)

      --------------------------------------------------------
        
      Users:
      uid=aa729,ou=people,dc=example,dc=com (Password: smada)
      uid=bb459,ou=people,dc=example,dc=com (Password: niwdlab)
      uid=cc414,ou=people,dc=example,dc=com (Password: retneprac)

      --------------------------------------------------------

      Groups:
      cn=foo,ou=groups,dc=example,dc=com (Members: aa729)
      cn=bar,ou=groups,dc=example,dc=com (Members: aa729, bb459, cc414)

      EOS


      puts "Send CTRL+D to stop the server"
      require 'irb'; binding.irb

      ldap_server.stop
    end
  end
end

# Ensure core cron task is loaded
load 'lib/tasks/cron.rake'
Rake::Task["openproject:cron:hourly"].enhance do
  Rake::Task["ldap_groups:synchronize"].invoke
end