Contents

require_relative '../context'
# We use DebugInspector to execute eval() in the callers frame.

require 'binding_of_caller'
module Immunio
  module KernelEvalHook
    extend ActiveSupport::Concern

    def self.extended(base)
      base.singleton_class.alias_method_chain :eval, :immunio
    end

    def self.included(base)
      base.alias_method_chain :eval, :immunio
    end

    protected
    def eval_with_immunio(*args)
      Immunio.logger.debug {"Eval_with_immunio with args: #{args}"}
      Request.time "plugin", "#{Module.nesting[0]}::#{__method__}" do
        strict_context, loose_context, stack, loose_stack = Immunio::Context.context()
        Immunio.run_hook! "eval", "eval",
                          parameters: args,
                          context_key: loose_context,
                          stack: loose_stack
        Request.pause "plugin", "#{Module.nesting[0]}::#{__method__}" do
          if args.length == 1 then
            # eval call did not include a binding, so we eval it in the caller's binding
            # NOTE: the 7 here is the number of frames above us the caller was. Changing
            # the call stack will break this...
            rval = eval_without_immunio(args[0], binding.of_caller(7))
            # XXX We can and should log here, but it breaks a ruby test (atom_feed_helper)
            #Immunio.logger.debug {"Eval_without_immunio (binding 7) returned: #{rval.inspect}\nEval stack was: #{stack}"}
          else
            # eval call included a binding, so we still eval in the binding
            rval = eval_without_immunio(*args)
            # XXX We can and should log here, but it breaks a ruby test (atom_feed_helper)
            #Immunio.logger.debug {"Eval_without_immunio returned: #{rval.inspect}"}
          end
          rval
        end
      end
    end
  end
end

if Immunio::agent.plugin_enabled?("eval") then
  Kernel.send :include, Immunio::KernelEvalHook
  Kernel.extend Immunio::KernelEvalHook
  Immunio.logger.debug "Eval: All hooks installed."
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
immunio-0.16.1	lib/immunio/plugins/eval.rb
immunio-0.16.0	lib/immunio/plugins/eval.rb
immunio-0.15.4	lib/immunio/plugins/eval.rb
immunio-0.15.3	lib/immunio/plugins/eval.rb
immunio-0.15.2	lib/immunio/plugins/eval.rb