Class: Sqreen::Rules::ExecJSCB

Inherits:
RuleCB show all
Defined in:
lib/sqreen/rules/execjs_cb.rb

Overview

Exec js callbacks

Constant Summary

Constants inherited from RuleCB

RuleCB::DEFAULT_PAYLOAD

Constants included from CallCountable

CallCountable::COUNT_CALLS, CallCountable::FAILING, CallCountable::POST, CallCountable::PRE

Constants inherited from CB

CB::DEFAULT_PRIORITY

Instance Attribute Summary

Attributes inherited from RuleCB

#block, #payload_tpl, #test

Attributes included from CallCountable

#call_count_interval, #call_counts

Attributes inherited from FrameworkCB

#framework

Attributes inherited from CB

#klass, #method, #overtimeable

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RuleCB

#advise_action, #overtime!, #priority, #record_event, #record_exception, #rule_name, #rulespack_id

Methods included from CallCountable

#count_callback_calls, #failing_with_count, #post_with_count, #pre_with_count

Methods included from Conditionable

#condition_callbacks, #failing_with_conditions, #post_with_conditions, #pre_with_conditions

Methods inherited from FrameworkCB

#record_observation, #whitelisted?

Methods inherited from CB

#framework, #overtime!, #priority, #to_s, #whitelisted?

Constructor Details

#initialize(klass, method, rule_hash) ⇒ ExecJSCB

Returns a new instance of ExecJSCB.



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# File 'lib/sqreen/rules/execjs_cb.rb', line 25

def initialize(klass, method, rule_hash)
  super(klass, method, rule_hash)
  callbacks = @rule[Attrs::CALLBACKS]
  @conditions = @rule.fetch(Attrs::CONDITIONS, {})

  build_runnable(callbacks)

  unless pre? || post? || failing?
    raise Sqreen::Exception, 'no JS CB provided'
  end

  @executable = ExecJSCB.js_service.prepare(rule_name, @source)
  @argument_filter = ArgumentFilter.new(rule_hash)
end

Class Method Details

.build_accessors(reqs) ⇒ Object 



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# File 'lib/sqreen/rules/execjs_cb.rb', line 131

def build_accessors(reqs)
  reqs.map do |req|
    BindingAccessor.new(req, true)
  end
end

.js_service ⇒ Sqreen::Js::JsService

Returns:



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# File 'lib/sqreen/rules/execjs_cb.rb', line 20

def js_service
  Sqreen::Js::JsService.instance
end

Instance Method Details

#failing(rv, inst, args, budget = nil, &_block) ⇒ Object 



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# File 'lib/sqreen/rules/execjs_cb.rb', line 66

def failing(rv, inst, args, budget = nil, &_block)
  Sqreen.log.debug { "#{self.class} failing args: #{args.inspect}" }
  return unless failing?

  call_callback('failing', budget, inst, @cb_bas['failing'], args, rv)
end

#failing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sqreen/rules/execjs_cb.rb', line 48

def failing?
  @js_failing
end

#post(rv, inst, args, budget = nil, &_block) ⇒ Object 



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# File 'lib/sqreen/rules/execjs_cb.rb', line 59

def post(rv, inst, args, budget = nil, &_block)
  Sqreen.log.debug { "#{self.class} post args: #{args.inspect}" }
  return unless post?

  call_callback('post', budget, inst, @cb_bas['post'], args, rv)
end

#post? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sqreen/rules/execjs_cb.rb', line 44

def post?
  @js_post
end

#pre(inst, args, budget = nil, &_block) ⇒ Object 



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# File 'lib/sqreen/rules/execjs_cb.rb', line 52

def pre(inst, args, budget = nil, &_block)
  Sqreen.log.debug { "#{self.class} pre args: #{args.inspect}" }
  return unless pre?

  call_callback('pre', budget, inst, @cb_bas['pre'], args)
end

#pre? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sqreen/rules/execjs_cb.rb', line 40

def pre?
  @js_pre
end