Sha256: 3962d70eb2669e704e48eb6f62e3c06ec8c2f32919c36492fe1d08039c7bc333
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Size: 1.45 KB
Versions: 3
Compression:
Stored size: 1.45 KB
Contents
# Gathers all the association names to pass to `ActiveRecord::Relation#joins` from a `Metasploit::Model::Search::Query` class MetasploitDataModels::Search::Visitor::Joins include Metasploit::Model::Visitation::Visit # # Visitors # visit 'Metasploit::Model::Search::Group::Intersection' do |parent| parent.children.flat_map { |child| visit child } end visit 'Metasploit::Model::Search::Group::Union', 'Metasploit::Model::Search::Operation::Union' do |parent| # A Set<Set> because if all children have multiple joins, but those multiple joins contain the same elements for # all children, then all joins can be counted as common: # # (a.b:1 && c.d:2) || (a.b:3 && c.d:4) should return [:a, :c] since its common to both # (a.b:1 && c.d:2 && e.f:3) || (a.b:3 && c.d:4) should return [:a, :c] since its the common _subset_ join_set_set = parent.children.each_with_object(Set.new) { |child, set| child_joins = visit child child_join_set = Set.new child_joins set.add child_join_set } common_join_set = join_set_set.reduce { |common_subset, set| common_subset & set } common_join_set.to_a end visit 'Metasploit::Model::Search::Operation::Base' do |operation| visit operation.operator end visit 'Metasploit::Model::Search::Operator::Association' do |operator| [operator.association] end visit 'Metasploit::Model::Search::Operator::Attribute' do |_| [] end end
Version data entries
3 entries across 3 versions & 1 rubygems