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# Redmine - project management software

# Copyright (C) 2006-2012  Jean-Philippe Lang

#

# 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.

require File.expand_path('../../../../test_helper', __FILE__)

class Redmine::CipheringTest < ActiveSupport::TestCase

  def test_password_should_be_encrypted

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      r = Repository::Subversion.create!(:password => 'foo', :url => 'file:///tmp', :identifier => 'svn')

      assert_equal 'foo', r.password

      assert r.read_attribute(:password).match(/\Aaes-256-cbc:.+\Z/)

    end

  end

  def test_password_should_be_clear_with_blank_key

    Redmine::Configuration.with 'database_cipher_key' => '' do

      r = Repository::Subversion.create!(:password => 'foo', :url => 'file:///tmp', :identifier => 'svn')

      assert_equal 'foo', r.password

      assert_equal 'foo', r.read_attribute(:password)

    end

  end

  def test_password_should_be_clear_with_nil_key

    Redmine::Configuration.with 'database_cipher_key' => nil do

      r = Repository::Subversion.create!(:password => 'foo', :url => 'file:///tmp', :identifier => 'svn')

      assert_equal 'foo', r.password

      assert_equal 'foo', r.read_attribute(:password)

    end

  end

  def test_blank_password_should_be_clear

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      r = Repository::Subversion.create!(:password => '', :url => 'file:///tmp', :identifier => 'svn')

      assert_equal '', r.password

      assert_equal '', r.read_attribute(:password)

    end

  end

  def test_unciphered_password_should_be_readable

    Redmine::Configuration.with 'database_cipher_key' => nil do

      r = Repository::Subversion.create!(:password => 'clear', :url => 'file:///tmp', :identifier => 'svn')

    end

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      r = Repository.first(:order => 'id DESC')

      assert_equal 'clear', r.password

    end

  end

  def test_ciphered_password_with_no_cipher_key_configured_should_be_returned_ciphered

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      r = Repository::Subversion.create!(:password => 'clear', :url => 'file:///tmp', :identifier => 'svn')

    end

    Redmine::Configuration.with 'database_cipher_key' => '' do

      r = Repository.first(:order => 'id DESC')

      # password can not be deciphered

      assert_nothing_raised do

        assert r.password.match(/\Aaes-256-cbc:.+\Z/)

      end

    end

  end

  def test_encrypt_all

    Repository.delete_all

    Redmine::Configuration.with 'database_cipher_key' => nil do

      Repository::Subversion.create!(:password => 'foo', :url => 'file:///tmp', :identifier => 'foo')

      Repository::Subversion.create!(:password => 'bar', :url => 'file:///tmp', :identifier => 'bar')

    end

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      assert Repository.encrypt_all(:password)

      r = Repository.first(:order => 'id DESC')

      assert_equal 'bar', r.password

      assert r.read_attribute(:password).match(/\Aaes-256-cbc:.+\Z/)

    end

  end

  def test_decrypt_all

    Repository.delete_all

    Redmine::Configuration.with 'database_cipher_key' => 'secret' do

      Repository::Subversion.create!(:password => 'foo', :url => 'file:///tmp', :identifier => 'foo')

      Repository::Subversion.create!(:password => 'bar', :url => 'file:///tmp', :identifier => 'bar')

      assert Repository.decrypt_all(:password)

      r = Repository.first(:order => 'id DESC')

      assert_equal 'bar', r.password

      assert_equal 'bar', r.read_attribute(:password)

    end

  end

end