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#!/usr/bin/ruby -Ku

$KCODE = 'UTF8'
require 'jcode'
require 'yaml'
require 'active_ldap'
require 'cmdparse2'
require 'pathname'

class Hash
def recursive_symbolize_keys!
symbolize_keys!
values.select { |v| v.is_a?(Hash) }.each { |h| h.recursive_symbolize_keys! }
self
end
end

config_str_prv = IO.read("config/private.conf")
config_str = IO.read("config/test.conf")
config = YAML.load(config_str_prv).merge(YAML.load(config_str)).recursive_symbolize_keys!
ActiveLdap::Base.setup_connection(config[:ldap])

cmdparser = CmdParse::CommandParser.new(true)
cmdparser.program_name = ""
cmdparser.program_version = [0, 0, 1]

cmdparser.options = CmdParse::OptionParserWrapper.new do |opt|
opt.separator "Global options:"
opt.on("--debug", "Output debug info without being formated") {|t| $debug_opt = true }
opt.on("--expert", "Output extra info for expert users") {|t| $expert_opt = true }
opt.on("--handles", "Output with handles (objects/field/... keys used for manipulations)") {|t| $handles_opt = true }
end

cmdparser.add_command(CmdParse::HelpCommand.new)
cmdparser.add_command(CmdParse::VersionCommand.new)


module ActiveLdap
class DistinguishedName
def shift
@rdns.shift
end
end
end

module LdapMapper
class LdapObject < ActiveLdap::Base
class_inheritable_accessor :presentation, :mapper

ldap_mapping :prefix => '', :classes => ['top'], :scope => :sub

# temporary method until active_ldap is fixed: return a DN object (see #23932)
def dn_obj
ActiveLdap::DistinguishedName.parse(self.dn)
end

def name
name = self[dn_attribute].is_a?(Array) ? self[dn_attribute][0] : self[dn_attribute]
name.strip
end

def human_name
[self.class.presentation[:name_attribute], 'displayName', 'cn'].each do |attr|
if self.has_attribute?(attr) and self.attribute_present?(attr)
name = self[attr].is_a?(Array) ? self[attr][0] : self[attr]
return name.strip
end
end
return ""
end

def description
[self.class.presentation[:desc_attribute], 'description'].each do |attr|
if self.has_attribute?(attr) and self.attribute_present?(attr)
return self[attr].is_a?(Array) ? self[attr][0] : self[attr]
end
end
return ""
end

def possible_relations
self.associations.collect {|assoc| assoc.to_s } - ['children']
end

def relations
rel_list = []

rel_list += self.class.presentation[:associated_relations] if self.class.presentation[:associated_relations]

aspects.each do |aspect|
aspect_data = self.class.mapper.get_aspect(aspect)
if defined?(aspect_data[:presentation][:associated_relations]) and aspect_data[:presentation][:associated_relations]
rel_list += aspect_data[:presentation][:associated_relations]
end
end

rel_list & possible_relations
end

def aspects
present_aspects = []
(self.class.presentation[:allowed_aspects] || []).each do |aspect|
aspect_data = self.class.mapper.get_aspect(aspect)
aspect_mapping = aspect_data[:mapping]
present_aspects << aspect if self.classes & aspect_mapping[:classes] == aspect_mapping[:classes]
end

present_aspects
end

def objectclasses_attr_list(objectclass_list)
objectclass_list = [objectclass_list] unless objectclass_list.is_a? Array
list = []
objectclass_list.each do |objectclass|
objectclass_obj = ActiveLdap::Base.schema.object_class(objectclass)
attr_list = objectclass_obj.must + objectclass_obj.may
list += attr_list.collect{|attr| attr.human_attribute_name }
end
list
end

def organized_data(options = {})
options.symbolize_keys!
options[:expert] ||= false;
options[:skip_binary] ||= false;

ignored_attrs = self.class.presentation[:hidden_attributes] || []
ignored_attrs += (self.class.presentation[:expert_attributes] || []) unless options[:expert]
attr_list = self.attributes.keys - ignored_attrs

aspects = self.aspects
rel_list = self.possible_relations

# first pass to take aspects forced relations into account
obj_aspects = {}
aspects.each do |aspect|
aspect_data = self.class.mapper.get_aspect(aspect)

if defined?(aspect_data[:presentation][:associated_attributes]) and aspect_data[:presentation][:associated_attributes]
taken_attr_list = aspect_data[:presentation][:associated_attributes] & (attr_list + ignored_attrs)
unless taken_attr_list.empty?
obj_aspects[aspect] ||= {}
obj_aspects[aspect].merge!(fetch_attributes_data(taken_attr_list, options))
attr_list -= taken_attr_list
end
end

if defined?(aspect_data[:presentation][:associated_relations]) and aspect_data[:presentation][:associated_relations]
taken_rel_list = aspect_data[:presentation][:associated_relations] & rel_list
unless taken_rel_list.empty?
obj_aspects[aspect] ||= {}
obj_aspects[aspect].merge!(fetch_relations_data(taken_rel_list, options))
rel_list -= taken_rel_list
end
end
end

# manage general attributes
obj_info = {}
if self.class.presentation[:associate_unclaimed_attributes]
taken_attr_list = attr_list
else
taken_attr_list = []
if self.class.presentation.has_key?(:associated_attributes)
taken_attr_list += self.class.presentation[:associated_attributes]
end
taken_attr_list += objectclasses_attr_list(self.required_classes + (self.class.presentation[:optional_classes] || []))
end
taken_attr_list = taken_attr_list.uniq & attr_list
obj_info = fetch_attributes_data(taken_attr_list, options)
attr_list -= taken_attr_list

# manage general relations
if self.class.presentation[:associated_relations]
taken_rel_list = self.class.presentation[:associated_relations] & rel_list
unless taken_rel_list.empty?
obj_info.merge!(fetch_relations_data(taken_rel_list, options))
rel_list -= taken_rel_list
end
end

# second pass to dispath the remaining attributes
unless attr_list.empty?
aspects.each do |aspect|
aspect_data = self.class.mapper.get_aspect(aspect)

taken_attr_list = (objectclasses_attr_list(aspect_data[:mapping][:classes]) & attr_list)
obj_aspects[aspect] ||= {}
obj_aspects[aspect].merge!(fetch_attributes_data(taken_attr_list, options))
attr_list -= taken_attr_list

break if attr_list.empty?
end
end

[obj_info, obj_aspects]
end

def family_parent_dn
pdn = self.dn_obj.dup
pdn.shift
pdn
end

def family_children
LdapObject.find(:all, :base => self.dn, :scope => :one)
end

def family_children_dn
self.family_children.collect {|obj| obj.dn }
end

def family_siblings
# cannot substract, as the ruby object signature may be different
LdapObject.find(:all, :base => self.family_parent_dn.to_s, :scope => :one).select{|obj| obj.dn != self.dn }
end

def family_siblings_dn
self.family_siblings.collect {|obj| obj.dn }
end

protected

def fetch_attributes_data(attr_list, options = {})
attr_data = self.attributes.select {|key, val| attr_list.include?(key) and not (options[:skip_binary] and ActiveLdap::Base.schema.attribute(key).binary?) }
Hash[attr_data]
end

def fetch_relations_data(rel_list, options = {})
rel_data = rel_list.collect do |rel|
data = self.send(rel).collect{|g| g.name }
data.empty? ? nil : ["rel:" + rel, data]
end
Hash[rel_data.compact]
end
end

class Controller
def initialize(mod_container = LdapMapper::Objects)
@mod_container = mod_container
@object_definitions = {}
@aspects = {}
end

def set_aspect(aspect_name, aspect_def)
@aspects[aspect_name] = aspect_def
end

def get_aspect(aspect_name)
@aspects[aspect_name.to_sym]
end

def self.object_name_to_klass_name(obj_name)
"LdapObject" + obj_name.to_s.capitalize
end

def load_object(obj_name, obj_def)
obj_mapping = obj_def[:mapping]
klass_name = self.class.object_name_to_klass_name(obj_name)

# create class
@mod_container.module_eval(<<-EOS)
class #{klass_name} < LdapMapper::LdapObject; end
EOS

# configure class
klass = find_klass(obj_name)
klass.presentation = obj_def[:presentation]
klass.mapper = self
klass.ldap_mapping obj_mapping.reject {|key, val| not ActiveLdap::Base::VALID_LDAP_MAPPING_OPTIONS.include?(key) }

# store definition for later relations processing
@object_definitions[obj_name] = obj_def
end

def find_klass(obj_name)
klass_name = self.class.object_name_to_klass_name(obj_name)
return nil unless @mod_container.const_defined?(klass_name)
@mod_container.const_get(klass_name)
end

# run it _once_ when all objects are loaded
def load_relations
@object_definitions.each_pair do |obj_name, obj_def|
obj_rel = {}
obj_rel.merge!(obj_def[:relations]) if obj_def.include?(:relations)
if obj_def[:presentation].has_key?(:allowed_aspects)
obj_def[:presentation][:allowed_aspects].each do |rel|
rel_data = get_aspect(rel)
obj_rel.merge!(rel_data[:relations]) if rel_data.has_key?(:relations) and rel_data[:relations]
end
end
next if obj_rel.empty?

klass = find_klass(obj_name)

obj_rel.each_pair do |field_name, rel|
foreign_klass = find_klass(rel[:object])
rel[:class_name] = foreign_klass.to_s

case rel[:type]
when :belongs_to
klass.belongs_to field_name, rel.reject {|key, val| not ActiveLdap::Associations::ClassMethods::VALID_BELONGS_TO_OPTIONS.include?(key) }
when :has_many
klass.has_many field_name, rel.reject {|key, val| not ActiveLdap::Associations::ClassMethods::VALID_HAS_MANY_OPTIONS.include?(key) }
else
raise "bug in '#{obj_name}' object relations (wrong type)"
end
end
end
end
end

# default location for mapped objects
module Objects
end
end


I18n.load_path += Dir[File.join(Pathname.new(".").realpath, "locale", "*.yml")]
I18n.default_locale = :en

ldapctl = LdapMapper::Controller.new
config[:aspects].each_pair do |aspect_name, aspect_data|
ldapctl.set_aspect(aspect_name, aspect_data)
end
config[:objects].each_pair do |obj_name, obj_data|
ldapctl.load_object(obj_name, obj_data)
end
ldapctl.load_relations

cmd = CmdParse::Command.new('list', false)
cmd.short_desc = "list objects"
cmd.set_execution_block do |args|
if args.size != 1
STDERR.puts "syntax error: no object name given"
exit 1
end

obj_hdl = args[0]
obj_klass = ldapctl.find_klass(obj_hdl)
if obj_klass.nil?
STDERR.puts "No such object '#{obj_hdl}'."
exit 2
end

obj_human_name = I18n.t(obj_hdl, :scope => 'objects', :default => "Object '#{obj_hdl}'")
puts "=== List of #{obj_human_name.pluralize} ==="
obj_klass.find(:all).each do |obj|
str = obj.human_name
str += " [#{obj.name}]" if $handles_opt
str += ": #{obj.description}" unless obj.description.empty?
puts str
end
end
cmdparser.add_command(cmd)

def translate_data_key(name)
if name.index(":")
type, key = name.split(":")
case type
when 'rel'
I18n.t(key, :scope => 'relations', :default => name)
else
raise "Cannot translate unknown data key type"
end
else
att = ActiveLdap::Base.schema.attribute(name)
I18n.t(att.human_attribute_name, :scope => 'attribute_types', :default => att.human_attribute_description)
end
end

def display_data(attr_data)
attr_data.each_pair do |key, val|
field_name = translate_data_key(key)
field_name += " [#{key}]" if $handles_opt
puts field_name + ": " + (val.is_a?(Array) ? val.sort.collect{|v| v.to_s }.join(", ") : val.to_s)
end
end

cmd = CmdParse::Command.new('show', false)
cmd.short_desc = "show object information"
cmd.set_execution_block do |args|
if args.size < 1
STDERR.puts "syntax error: no object name given"
exit 1
end
if args.size < 2
STDERR.puts "syntax error: no item name given"
exit 1
end

obj_hdl = args[0]
obj_klass = ldapctl.find_klass(obj_hdl)
if obj_klass.nil?
STDERR.puts "No such object '#{obj_hdl}'."
exit 2
end

item_hdl = args[1]
begin
item = obj_klass.find(item_hdl)
rescue ActiveLdap::EntryNotFound
STDERR.puts "No such item '#{obj_hdl}/#{item_hdl}'"
exit 2
end

obj_human_name = I18n.t(obj_hdl, :scope => 'objects', :default => "Object '#{obj_hdl}'")
name = item.human_name
name += " [#{item.name}]" if $handles_opt
puts "=== #{obj_human_name}: #{name} ==="

if $debug_opt
puts item.to_s
puts "--- Detected Info ---"
puts "aspects: " + item.aspects.sort.join(", ")

puts "--- Family ---"
puts "parent: " + item.family_parent_dn.to_s
puts "siblings: " + item.family_siblings_dn.join(", ")
puts "children: " + item.family_children_dn.join(", ")

puts "--- Relations ---"
item.relations.each do |rel|
puts "#{rel}: " + item.send(rel).collect{|g| g.name }.join(", ")
end
else
obj_info, obj_aspects = item.organized_data(:expert => $expert_opt, :skip_binary => true)

display_data(obj_info)

obj_aspects.each_pair do |aspect_name, aspect_data|
aspect_display_name = I18n.t(aspect_name, :scope => 'aspects', :default => "Aspect '#{aspect_name}'")
puts "--- #{aspect_display_name} ---"
display_data(aspect_data)
end
end
end
cmdparser.add_command(cmd)

cmdparser.parse
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