1 files changed, 0 insertions, 112 deletions
diff --git a/lib/declarative_policy.rb b/lib/declarative_policy.rb
deleted file mode 100644
index bd1c121fe79..00000000000
--- a/lib/declarative_policy.rb
+++ /dev/null
@@ -1,112 +0,0 @@
-# frozen_string_literal: true
-
-require_dependency 'declarative_policy/cache'
-require_dependency 'declarative_policy/condition'
-require_dependency 'declarative_policy/delegate_dsl'
-require_dependency 'declarative_policy/policy_dsl'
-require_dependency 'declarative_policy/rule_dsl'
-require_dependency 'declarative_policy/preferred_scope'
-require_dependency 'declarative_policy/rule'
-require_dependency 'declarative_policy/runner'
-require_dependency 'declarative_policy/step'
-
-require_dependency 'declarative_policy/base'
-
-module DeclarativePolicy
-  extend PreferredScope
-
-  CLASS_CACHE_MUTEX = Mutex.new
-  CLASS_CACHE_IVAR = :@__DeclarativePolicy_CLASS_CACHE
-
-  class << self
-    def policy_for(user, subject, opts = {})
-      cache = opts[:cache] || {}
-      key = Cache.policy_key(user, subject)
-
-      cache[key] ||=
-        # to avoid deadlocks in multi-threaded environment when
-        # autoloading is enabled, we allow concurrent loads,
-        # https://gitlab.com/gitlab-org/gitlab-foss/issues/48263
-        ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
-          class_for(subject).new(user, subject, opts)
-        end
-    end
-
-    def class_for(subject)
-      return GlobalPolicy if subject == :global
-      return NilPolicy if subject.nil?
-
-      subject = find_delegate(subject)
-
-      policy_class = class_for_class(subject.class)
-      raise "no policy for #{subject.class.name}" if policy_class.nil?
-
-      policy_class
-    end
-
-    def has_policy?(subject)
-      !class_for_class(subject.class).nil?
-    end
-
-    private
-
-    # This method is heavily cached because there are a lot of anonymous
-    # modules in play in a typical rails app, and #name performs quite
-    # slowly for anonymous classes and modules.
-    #
-    # See https://bugs.ruby-lang.org/issues/11119
-    #
-    # if the above bug is resolved, this caching could likely be removed.
-    def class_for_class(subject_class)
-      unless subject_class.instance_variable_defined?(CLASS_CACHE_IVAR)
-        CLASS_CACHE_MUTEX.synchronize do
-          # re-check in case of a race
-          break if subject_class.instance_variable_defined?(CLASS_CACHE_IVAR)
-
-          policy_class = compute_class_for_class(subject_class)
-          subject_class.instance_variable_set(CLASS_CACHE_IVAR, policy_class)
-        end
-      end
-
-      subject_class.instance_variable_get(CLASS_CACHE_IVAR)
-    end
-
-    def compute_class_for_class(subject_class)
-      if subject_class.respond_to?(:declarative_policy_class)
-        return subject_class.declarative_policy_class.constantize
-      end
-
-      subject_class.ancestors.each do |klass|
-        name = klass.name
-
-        next unless name
-
-        begin
-          policy_class = "#{name}Policy".constantize
-
-          # NOTE: the < operator here tests whether policy_class
-          # inherits from Base. We can't use #is_a? because that
-          # tests for *instances*, not *subclasses*.
-          return policy_class if policy_class < Base
-        rescue NameError
-          nil
-        end
-      end
-
-      nil
-    end
-
-    def find_delegate(subject)
-      seen = Set.new
-
-      while subject.respond_to?(:declarative_policy_delegate)
-        raise ArgumentError, "circular delegations" if seen.include?(subject.object_id)
-
-        seen << subject.object_id
-        subject = subject.declarative_policy_delegate
-      end
-
-      subject
-    end
-  end
-end