88 lines
2.9 KiB
Ruby
88 lines
2.9 KiB
Ruby
# Redmine - project management software
|
|
# Copyright (C) 2006-2014 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 SafeAttributes
|
|
def self.included(base)
|
|
base.extend(ClassMethods)
|
|
end
|
|
|
|
module ClassMethods
|
|
# Declares safe attributes
|
|
# An optional Proc can be given for conditional inclusion
|
|
#
|
|
# Example:
|
|
# safe_attributes 'title', 'pages'
|
|
# safe_attributes 'isbn', :if => {|book, user| book.author == user}
|
|
def safe_attributes(*args)
|
|
@safe_attributes ||= []
|
|
if args.empty?
|
|
if superclass.include?(Redmine::SafeAttributes)
|
|
@safe_attributes + superclass.safe_attributes
|
|
else
|
|
@safe_attributes
|
|
end
|
|
else
|
|
options = args.last.is_a?(Hash) ? args.pop : {}
|
|
@safe_attributes << [args, options]
|
|
end
|
|
end
|
|
end
|
|
|
|
# Returns an array that can be safely set by user or current user
|
|
#
|
|
# Example:
|
|
# book.safe_attributes # => ['title', 'pages']
|
|
# book.safe_attributes(book.author) # => ['title', 'pages', 'isbn']
|
|
def safe_attribute_names(user=nil)
|
|
return @safe_attribute_names if @safe_attribute_names && user.nil?
|
|
names = []
|
|
self.class.safe_attributes.collect do |attrs, options|
|
|
if options[:if].nil? || options[:if].call(self, user || User.current)
|
|
names += attrs.collect(&:to_s)
|
|
end
|
|
end
|
|
names.uniq!
|
|
@safe_attribute_names = names if user.nil?
|
|
names
|
|
end
|
|
|
|
# Returns true if attr can be set by user or the current user
|
|
def safe_attribute?(attr, user=nil)
|
|
safe_attribute_names(user).include?(attr.to_s)
|
|
end
|
|
|
|
# Returns a hash with unsafe attributes removed
|
|
# from the given attrs hash
|
|
#
|
|
# Example:
|
|
# book.delete_unsafe_attributes({'title' => 'My book', 'foo' => 'bar'})
|
|
# # => {'title' => 'My book'}
|
|
def delete_unsafe_attributes(attrs, user=User.current)
|
|
safe = safe_attribute_names(user)
|
|
attrs.dup.delete_if {|k,v| !safe.include?(k)}
|
|
end
|
|
|
|
# Sets attributes from attrs that are safe
|
|
# attrs is a Hash with string keys
|
|
def safe_attributes=(attrs, user=User.current)
|
|
return unless attrs.is_a?(Hash)
|
|
self.attributes = delete_unsafe_attributes(attrs, user)
|
|
end
|
|
end
|
|
end
|