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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2020 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 read_action?(action)
if action.is_a?(Symbol)
perm = permission(action)
!perm.nil? && perm.read?
elsif action.is_a?(Hash)
s = "#{action[:controller]}/#{action[:action]}"
permissions.detect {|p| p.actions.include?(s) && p.read?}.present?
else
raise ArgumentError.new("Symbol or a Hash expected, #{action.class.name} given: #{action}")
end
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[: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]
@read = options[:read] || false
@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
def read?
@read
end
end
end
end
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