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Revision a8bda213

Added by Marc Dequènes over 14 years ago

  • ID a8bda2134c57b0c60a5fef6b0f4addbdb8f15757

[evol] preliminary virtual attributes support (with read only attributes support, and an example vattr) (refs #141)

View differences:

conf/ldap_shadows/worlds/OpenLDAP_config/shadows/Administration/plugins/objects/global.rb
# should methods be generated by metaprogramming ?
# (to ensure type_cast/normalize_value and not to repeat attr parameters)
ldap_virtual_attr :plopToto, '1.3.6.1.4.1.1466.115.121.1.15'
def plopToto(always_array = true)
val = "#{self.olcLocalSSF} #{self.olcThreads}"
(always_array) ? [val] : val
end
def plopToto=(val)
pp self.schema.ldap_syntax('1.3.6.1.4.1.1466.115.121.1.15').normalize_value(367)
end
lib/ldap_shadows/elements/object.rb
attr_reader :parent_changed
@relations_info = {}
@virtual_attributes = {}
class << self
attr_reader :relations_info
def virtual_attributes
(@virtual_attributes || {}).keys
end
end
def virtual_attributes
# TODO: add aspects attributes
self.class.virtual_attributes
end
# default
......
@latest_parent_full_handle = nil
end
def self.ldap_virtual_attr(attr, syntax, single_value = false, binary = false)
@virtual_attributes ||= {}
@virtual_attributes[attr.to_s] = {
:syntax => syntax,
:single_value => single_value,
:binary => binary
}
end
def self.real_attribute_info(attr)
attr_info = ActiveLdap::Base.schema.attribute(attr)
return if attr_info.nil?
{
:syntax => attr_info.syntax.to_param,
:single_value => attr_info.single_value?,
:read_only => attr_info.read_only?,
:binary => attr_info.binary?
}
end
def self.virtual_attribute_info(attr)
info = @virtual_attributes[attr.to_s].dup
info.merge({
:read_only => (not self.instance_methods.include?("#{attr}="))
})
end
# return nil if not found
def attribute_info(attr)
if self.has_attribute? attr
self.class.real_attribute_info(attr)
else
self.class.virtual_attribute_info(attr)
end
end
def handle
name = self[dn_attribute] || self.attributes[dn_attribute] || self.dn.to_s
name = name.first if name.is_a? Array
......
def has_field?(field)
return false if field.downcase == "objectclass"
has_attribute?(field)
has_attribute?(field) || virtual_attributes.include?(field)
end
def human_name
......
taken_attr_list += self.class.possible_attributes
end
taken_attr_list = taken_attr_list.uniq & attr_list
taken_attr_list += self.class.virtual_attributes
obj_info = fetch_attributes_data(taken_attr_list, expert_attributes, admin_attributes)
attr_list -= taken_attr_list
......
raise PreProcessingError, _("No such field '%s' in object '%s'") % [field, self.class.handle]
end
attr_info = ActiveLdap::Base.schema.attribute(field)
if attr_info.read_only?
attr_info = self.attribute_info(field)
if attr_info[:read_only]
raise PreProcessingError, _("The field '%s' cannot be modified (read only)") % field
end
if attr_info.binary?
if attr_info[:binary]
unless File.exists?(val)
raise PreProcessingError, _("The field '%s' contains binary data, you must provide a filename instead of a direct value") % field
end
......
rescue
raise PreProcessingError, _("The file for the binary field '%s' cannot be read: ") % [field, $!]
end
elsif attr_info.syntax.to_param == "1.3.6.1.4.1.1466.115.121.1.12"
elsif attr_info[:syntax] == "1.3.6.1.4.1.1466.115.121.1.12"
if val =~ FULL_HANDLE_PATTERN
obj_hdl = $1.downcase
item_hdl = $2
......
end
def fetch_attributes_data(attr_list, expert_attributes, admin_attributes)
attr_data = self.attributes.collect do |key, val|
if attr_list.include?(key)
attr_info = ActiveLdap::Base.schema.attribute(key)
[key, {
:syntax => attr_info.syntax.to_param,
attr_data = attr_list.collect do |attr|
base_info = self.attribute_info(attr)
if base_info.nil?
nil
else
val = self.send(attr)
[attr, base_info.merge({
:value => val,
:multiple => val.is_a?(Array),
:expert => expert_attributes.include?(key),
:admin => admin_attributes.include?(key),
:binary => attr_info.binary?
}]
else
nil
:expert => expert_attributes.include?(attr),
:admin => admin_attributes.include?(attr)
})]
end
end
Hash[attr_data.compact]

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