Class: Contrast::Agent::Assess::Policy::Propagator::Splat

Inherits:
Base
  • Object
show all
Defined in:
lib/contrast/agent/assess/policy/propagator/splat.rb

Overview

Propagation that results in all the tags of the source being applied to the totality of the target. The target’s preexisting tags are unaffected beyond any merging of overlapping tags.

Class Method Summary collapse

Methods inherited from Base

find_source, tracked_value?

Class Method Details

.propagate(propagation_node, preshift, target) ⇒ Object 



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# File 'lib/contrast/agent/assess/policy/propagator/splat.rb', line 14

def propagate propagation_node, preshift, target
  tracked_inputs = []

  propagation_node.sources.each do |source|
    case source
    when Contrast::Utils::ObjectShare::OBJECT_KEY
      tracked_inputs << preshift.object if Contrast::Agent::Assess::Tracker.tracked?(preshift.object)
    else
      arg = preshift.args[source]
      if arg.is_a?(String)
        tracked_inputs << arg if Contrast::Agent::Assess::Tracker.tracked?(arg)
      elsif Contrast::Utils::DuckUtils.iterable_hash?(arg)
        arg.each_pair do |key, value|
          tracked_inputs << key if tracked_value?(key)
          tracked_inputs << value if tracked_value?(value)
        end
      elsif Contrast::Utils::DuckUtils.iterable_enumerable?(arg)
        arg.each do |value|
          tracked_inputs << value if tracked_value?(value)
        end
      end
    end
  end

  splat_tags(tracked_inputs, target)
  Contrast::Agent::Assess::Tracker.properties(target).cleanup_tags
end

.splat_tags(tracked_inputs, target) ⇒ Object 



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# File 'lib/contrast/agent/assess/policy/propagator/splat.rb', line 42

def splat_tags tracked_inputs, target
  return if tracked_inputs.empty?

  properties = Contrast::Agent::Assess::Tracker.properties(target)
  return unless properties

  tracked_inputs.each do |input|
    input_properties = Contrast::Agent::Assess::Tracker.properties(input)
    next unless input_properties

    properties.splat_from(input, target)
  end
end