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#--
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# LdapShadows, a Medium-level LDAP Access Library and Tool.
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# Copyright (c) 2009 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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, see <http://www.gnu.org/licenses/>.
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#++
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$KCODE = 'UTF8'
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require 'jcode'
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require 'active_ldap'
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require 'ldap_shadows/object'
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module LdapShadows
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class Controller
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def initialize(mod_container = LdapShadows::Objects)
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@mod_container = mod_container
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@object_definitions = {}
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@aspects = {}
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end
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def set_aspect(aspect_name, aspect_def)
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@aspects[aspect_name] = aspect_def
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end
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def get_aspect(aspect_name)
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@aspects[aspect_name.to_sym]
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end
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def self.object_name_to_klass_name(obj_name)
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"LdapObject" + obj_name.to_s.capitalize
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end
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def load_object(obj_name, obj_def)
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obj_mapping = obj_def[:mapping]
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klass_name = self.class.object_name_to_klass_name(obj_name)
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# create class
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@mod_container.module_eval(<<-EOS)
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class #{klass_name} < LdapShadows::LdapObject; end
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EOS
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# configure class
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klass = find_klass(obj_name)
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klass.presentation = obj_def[:presentation]
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klass.mapper = self
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klass.ldap_mapping obj_mapping.reject {|key, val| not ActiveLdap::Base::VALID_LDAP_MAPPING_OPTIONS.include?(key) }
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# store definition for later relations processing
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@object_definitions[obj_name] = obj_def
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end
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def find_klass(obj_name)
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klass_name = self.class.object_name_to_klass_name(obj_name)
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return nil unless @mod_container.const_defined?(klass_name)
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@mod_container.const_get(klass_name)
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end
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# run it _once_ when all objects are loaded
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def load_relations
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@object_definitions.each_pair do |obj_name, obj_def|
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obj_rel = {}
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obj_rel.merge!(obj_def[:relations]) if obj_def.include?(:relations)
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if obj_def[:presentation].has_key?(:allowed_aspects)
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obj_def[:presentation][:allowed_aspects].each do |rel|
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rel_data = get_aspect(rel)
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obj_rel.merge!(rel_data[:relations]) if rel_data.has_key?(:relations) and rel_data[:relations]
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end
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end
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next if obj_rel.empty?
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klass = find_klass(obj_name)
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obj_rel.each_pair do |field_name, rel|
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foreign_klass = find_klass(rel[:object])
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rel[:class_name] = foreign_klass.to_s
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case rel[:type]
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when :belongs_to
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klass.belongs_to field_name, rel.reject {|key, val| not ActiveLdap::Associations::ClassMethods::VALID_BELONGS_TO_OPTIONS.include?(key) }
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when :has_many
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klass.has_many field_name, rel.reject {|key, val| not ActiveLdap::Associations::ClassMethods::VALID_HAS_MANY_OPTIONS.include?(key) }
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else
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raise "bug in '#{obj_name}' object relations (wrong type)"
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end
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end
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end
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end
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end
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# default location for mapped objects
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module Objects
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end
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end
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