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# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Role < ActiveRecord::Base
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include Authorizable
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extend FriendlyId
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friendly_id :name
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include Parameterizable::ByIdName
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# Built-in roles
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BUILTIN_DEFAULT_ROLE = 2
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audited
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scope :givable, -> { where(:builtin => 0).order(:name) }
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scope :for_current_user, -> { User.current.admin? ? where('0 = 0') : where(:id => User.current.role_ids) }
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scope :builtin, lambda { |*args|
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compare = 'not' if args.first
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where("#{compare} builtin = 0")
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}
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validates_lengths_from_database
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before_destroy :check_deletable
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after_save :sync_inheriting_filters
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has_many :user_roles, :dependent => :destroy
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has_many :users, :through => :user_roles, :source => :owner, :source_type => 'User'
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has_many :usergroups, :through => :user_roles, :source => :owner, :source_type => 'Usergroup'
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has_many :cached_user_roles, :dependent => :destroy
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has_many :cached_users, :through => :cached_user_roles, :source => :user
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has_many :filters, :dependent => :destroy
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has_many :permissions, :through => :filters
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# these associations are not used by Taxonomix but serve as a pattern for role filters
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# we intentionally don't include Taxonomix since roles are not taxable, we only need these relations
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taxonomy_join_table = :taxable_taxonomies
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has_many taxonomy_join_table.to_sym, :dependent => :destroy, :as => :taxable
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has_many :locations, -> { where(:type => 'Location') },
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:through => taxonomy_join_table, :source => :taxonomy
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has_many :organizations, -> { where(:type => 'Organization') },
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:through => taxonomy_join_table, :source => :taxonomy
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validates :name, :presence => true, :uniqueness => true
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validates :builtin, :inclusion => { :in => 0..2 }
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scoped_search :on => :name, :complete_value => true
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scoped_search :on => :builtin, :complete_value => { :true => true, :false => false }
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scoped_search :on => :description, :complete_value => false
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def permissions=(new_permissions)
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add_permissions(new_permissions.map(&:name).uniq) if new_permissions.present?
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end
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# Returns true if the role has the given permission
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def has_permission?(perm)
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permission_names.include?(perm.name.to_sym)
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end
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def permission_names
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@permission_names ||= permissions.pluck('permissions.name').map(&:to_sym)
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end
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# Return true if the role is a builtin role
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def builtin?
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self.builtin != 0
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end
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# Return true if the role is a user role
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def user?
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!self.builtin?
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end
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# Return true if role is allowed to do the specified action
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# action can be:
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# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
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# * a permission Symbol (eg. :edit_project)
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def allowed_to?(action)
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if action.is_a?(Hash) || action.is_a?(ActionController::Parameters)
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allowed_actions.include? Foreman::AccessControl.path_hash_to_string(action)
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else
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allowed_permissions.include? action
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end
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end
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# Find all the roles that can be given to a user
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def self.find_all_givable
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all(:conditions => {:builtin => 0}, :order => 'name')
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end
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# Return the builtin 'Default role' role. If the role doesn't exist,
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# it will be created on the fly.
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def self.default
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default_role = find_by_builtin(BUILTIN_DEFAULT_ROLE)
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if default_role.nil?
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default_role = create!(:name => 'Default role', :builtin => BUILTIN_DEFAULT_ROLE)
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raise ::Foreman::Exception.new(N_("Unable to create the default role.")) if default_role.new_record?
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end
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default_role
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end
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# options can have following keys
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# :search - scoped search applied to built filters
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def add_permissions(permissions, options = {})
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permissions = Array(permissions)
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search = options.delete(:search)
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collection = Permission.where(:name => permissions).all
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raise ArgumentError, 'some permissions were not found' if collection.size != permissions.size
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collection.group_by(&:resource_type).each do |resource_type, grouped_permissions|
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filter = self.filters.build(:search => search)
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filter.role ||= self
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grouped_permissions.each do |permission|
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filtering = filter.filterings.build
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filtering.filter = filter
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filtering.permission = permission
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end
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end
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end
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def add_permissions!(*args)
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add_permissions(*args)
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save!
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end
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def disable_filters_overriding
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self.filters.where(:override => true).map { |filter| filter.disable_overriding! }
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end
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def clone(role_params = {})
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new_role = self.deep_clone(:except => [:name, :builtin],
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:include => [:locations, :organizations, { :filters => :permissions }])
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new_role.attributes = role_params
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new_role
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end
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private
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def sync_inheriting_filters
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self.filters.where(:override => false).each { |f| f.inherit_taxonomies! }
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end
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def allowed_permissions
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@allowed_permissions ||= permission_names + Foreman::AccessControl.public_permissions.map(&:name)
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end
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def allowed_actions
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@actions_allowed ||= allowed_permissions.inject([]) { |actions, permission| actions + Foreman::AccessControl.allowed_actions(permission) }.flatten
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end
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def check_deletable
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errors.add(:base, _("Cannot delete built-in role")) if builtin?
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errors.empty?
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end
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end
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