Class: Casbin::Effect::DefaultEffector

Inherits:
Effector
  • Object
show all
Defined in:
lib/casbin-ruby/effect/default_effector.rb

Overview

default effector for Casbin.

Constant Summary

Constants inherited from Effector

Effector::ALLOW, Effector::DENY, Effector::INDETERMINATE

Class Method Summary collapse

Methods inherited from Effector

#final_effect, #intermediate_effect

Class Method Details

.effect_to_bool(effect) ⇒ Object 



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# File 'lib/casbin-ruby/effect/default_effector.rb', line 29

def self.effect_to_bool(effect)
  return true if effect == ALLOW
  return false if effect == DENY

  raise "effect can't be converted to boolean"
end

.get_effector(expr) ⇒ Object

creates an effector based on the current policy effect expression



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# File 'lib/casbin-ruby/effect/default_effector.rb', line 14

def self.get_effector(expr)
  case expr
  when 'some(where (p_eft == allow))'
    Effect::AllowOverrideEffector.new
  when '!some(where (p_eft == deny))'
    Effect::DenyOverrideEffector.new
  when 'some(where (p_eft == allow)) && !some(where (p_eft == deny))'
    Effect::AllowAndDenyEffector.new
  when 'priority(p_eft) || deny'
    Effect::PriorityEffector.new
  else
    raise 'unsupported effect'
  end
end