view lib/redmine/access_control.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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.

module Redmine
  module AccessControl

    class << self
      def map
        mapper = Mapper.new
        yield mapper
        @permissions ||= []
        @permissions += mapper.mapped_permissions
      end

      def permissions
        @permissions
      end

      # Returns the permission of given name or nil if it wasn't found
      # Argument should be a symbol
      def permission(name)
        permissions.detect {|p| p.name == name}
      end

      # Returns the actions that are allowed by the permission of given name
      def allowed_actions(permission_name)
        perm = permission(permission_name)
        perm ? perm.actions : []
      end

      def public_permissions
        @public_permissions ||= @permissions.select {|p| p.public?}
      end

      def members_only_permissions
        @members_only_permissions ||= @permissions.select {|p| p.require_member?}
      end

      def loggedin_only_permissions
        @loggedin_only_permissions ||= @permissions.select {|p| p.require_loggedin?}
      end

      def available_project_modules
        @available_project_modules ||= @permissions.collect(&:project_module).uniq.compact
      end

      def modules_permissions(modules)
        @permissions.select {|p| p.project_module.nil? || modules.include?(p.project_module.to_s)}
      end
    end

    class Mapper
      def initialize
        @project_module = nil
      end

      def permission(name, hash, options={})
        @permissions ||= []
        options.merge!(:project_module => @project_module)
        @permissions << Permission.new(name, hash, options)
      end

      def project_module(name, options={})
        @project_module = name
        yield self
        @project_module = nil
      end

      def mapped_permissions
        @permissions
      end
    end

    class Permission
      attr_reader :name, :actions, :project_module

      def initialize(name, hash, options)
        @name = name
        @actions = []
        @public = options[:public] || false
        @require = options[:require]
        @project_module = options[:project_module]
        hash.each do |controller, actions|
          if actions.is_a? Array
            @actions << actions.collect {|action| "#{controller}/#{action}"}
          else
            @actions << "#{controller}/#{actions}"
          end
        end
        @actions.flatten!
      end

      def public?
        @public
      end

      def require_member?
        @require && @require == :member
      end

      def require_loggedin?
        @require && (@require == :member || @require == :loggedin)
      end
    end
  end
end