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varvet--pundit/lib/pundit.rb
Jay Hayes 2f20c58484 Raise more description exception for verify_policy_scoped
* The AuthorizationNotPerformedError is very descriptive of the
  situation when authorization is forgotten. In the case of no
  scoping, it can be a head scratcher.
* This new error type is implemented as a subclass of the current error
  type to prevent regressions in existing code. While this is not ideal,
  it is the simplest solution I could come up with for compatibility.
2014-07-08 06:53:52 -05:00

97 lines
2.6 KiB
Ruby

require "pundit/version"
require "pundit/policy_finder"
require "active_support/concern"
require "active_support/core_ext/string/inflections"
require "active_support/core_ext/object/blank"
require "active_support/core_ext/module/introspection"
require "active_support/dependencies/autoload"
module Pundit
class NotAuthorizedError < StandardError
attr_accessor :query, :record, :policy
end
class AuthorizationNotPerformedError < StandardError; end
class PolicyScopingNotPerformedError < AuthorizationNotPerformedError; end
class NotDefinedError < StandardError; end
extend ActiveSupport::Concern
class << self
def policy_scope(user, scope, namespace = Object)
policy_scope = PolicyFinder.new(scope, namespace).scope
policy_scope.new(user, scope).resolve if policy_scope
end
def policy_scope!(user, scope, namespace = Object)
PolicyFinder.new(scope, namespace).scope!.new(user, scope).resolve
end
def policy(user, record, namespace = Object)
policy = PolicyFinder.new(record, namespace).policy
policy.new(user, record) if policy
end
def policy!(user, record, namespace = Object)
PolicyFinder.new(record, namespace).policy!.new(user, record)
end
end
included do
if respond_to?(:helper_method)
helper_method :policy_scope
helper_method :policy
helper_method :pundit_user
end
if respond_to?(:hide_action)
hide_action :policy_scope
hide_action :policy_scope=
hide_action :policy
hide_action :policy=
hide_action :authorize
hide_action :verify_authorized
hide_action :verify_policy_scoped
hide_action :pundit_user
end
end
def verify_authorized
raise AuthorizationNotPerformedError unless @_policy_authorized
end
def verify_policy_scoped
raise PolicyScopingNotPerformedError unless @_policy_scoped
end
def authorize(record, query=nil)
query ||= params[:action].to_s + "?"
@_policy_authorized = true
policy = policy(record)
unless policy.public_send(query)
error = NotAuthorizedError.new("not allowed to #{query} this #{record}")
error.query, error.record, error.policy = query, record, policy
raise error
end
true
end
def policy_scope(scope)
@_policy_scoped = true
@policy_scope or Pundit.policy_scope!(pundit_user, scope, self.class.parent)
end
attr_writer :policy_scope
def policy(record)
@_policy or Pundit.policy!(pundit_user, record, self.class.parent)
end
def policy=(policy)
@_policy = policy
end
def pundit_user
current_user
end
end