Revision 3d5fa735
Added by Marc Dequènes almost 15 years ago
- ID 3d5fa735b39fa6cb07d52a7f1cae6152ca45188d
| lib/ldap_shadows/object.rb | ||
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[obj_info, obj_aspects]
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end
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def item_modify_from_string(str)
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unless str =~ /^([a-zA-Z]*(?::[a-zA-Z]+)?)(=|\+=|-=)(.*)$/
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raise SyntaxError, _("modification parameter '%s' is invalid") % str
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end
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key = $1
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op = $2
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val = $3
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item_modify(key, op, val)
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end
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def item_modify(key, op, val)
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if key.index(":")
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type, field = key.split(":")
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else
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type = nil
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field = key
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end
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case type
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when nil
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item_modify_field(key, op, val)
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when 'rel'
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item_modify_relation(field, op, val)
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when ''
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case field
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when 'aspects'
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item_modify_aspects(op, val)
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else
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raise PreProcessingError, _("Unknown core field '%s'") % field
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end
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else
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raise PreProcessingError, _("Unknown type '%s' for field '%s'") % [type, field]
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end
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end
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def item_modify_field(field, op, val)
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unless self.has_field?(field)
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raise PreProcessingError, _("No such field '%s' in object '%s'") % [field, self.class.handle]
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end
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attr_info = ActiveLdap::Base.schema.attribute(field)
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if attr_info.read_only?
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raise PreProcessingError, _("The field '%s' cannot be modified (read only)") % field
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end
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if attr_info.binary?
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unless File.exists?(val)
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raise PreProcessingError, _("The field '%s' contains binary data, you must provide a filename instead of a direct value") % field
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end
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begin
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val = File.read(val)
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rescue
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raise PreProcessingError, _("The file for the binary field '%s' cannot be read: ") % [field, $!]
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end
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end
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old_val = self.send(field, true)
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# if val is nil or the latest value is removed, then the attribute is removed from the object,
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case op
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when '='
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return false if val == old_val
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val = [val] if old_val.is_a? Enumerable
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self.send(field + "=", val)
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when '+='
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if attr_info.single_value?
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raise PreProcessingError, _("The field '%s' cannot hold more than one value") % field
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end
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return false if old_val.include?(val)
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new_val = old_val << val
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self.send(field + "=", new_val)
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when '-='
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return false unless old_val.include?(val)
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new_val = old_val - [val]
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self.send(field + "=", new_val)
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else
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raise SyntaxError, _("Unknown operator '%s'") % op
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end
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true
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end
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def item_modify_relation(rel, op, val)
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unless self.relations.include?(rel)
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raise PreProcessingError, _("No such relation '%s' for object '%s'") % [rel, self.class.handle]
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end
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rel_info = self.info_for_relation(rel)
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if rel_info[:read_only]
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raise PreProcessingError, _("The relation '%s' cannot be modified (read only)") % rel
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end
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# fetch remote object in relation, which will be the real 'val'
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foreign_item_list = rel_info[:foreign_klass].find(:all, val)
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if foreign_item_list.empty?
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raise PreProcessingError, _("Foreign item '%s' for relation '%s' not found") % [val, rel]
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end
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if foreign_item_list.size > 1
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raise WeirdError, _("Ambiguous item '%s' for relation '%s' (%s possible items)") %
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[val, rel, foreign_item_list.size]
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end
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old_val = self.send(rel)
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val = foreign_item_list.first
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# if val is nil or the latest value is removed, then the association's attribute is removed from one side
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case op
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when '='
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val = [val] if old_val.is_a? Enumerable
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self.send(rel + "=", val)
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when '+='
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if rel_info[:single_value]
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raise PreProcessingError, _("The relation '%s' cannot hold more than one foreign item") % rel
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end
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return false if old_val.include?(val)
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self.send(rel) << val
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when '-='
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return false unless old_val.include?(val)
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self.send(rel).delete(val)
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else
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raise SyntaxError, _("Unknown operator '%s'") % op
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end
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true
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end
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def item_modify_aspects(op, aspect)
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unless self.class.possible_aspects.include?(aspect)
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raise PreProcessingError, _("No such aspect '%s' for object '%s'") % [aspect, self.class.handle]
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end
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case op
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when '='
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raise PreProcessingError, _("The equality operator is not possible for aspects")
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when '+='
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return false if self.aspects.include?(aspect)
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self.add_aspect(aspect)
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when '-='
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return false unless self.aspects.include?(aspect)
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self.remove_aspect(aspect)
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else
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raise SyntaxError, _("Unknown operator '%s'") % op
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end
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true
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end
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def family_parent_dn
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pdn = self.dn_obj.dup
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pdn.shift
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Also available in: Unified diff
[evol] move all item modification into LdapObject, clean things a bit, and use this code for creation too instead of the partial modification support needed to add the MUST attributetypes, this is more flexible