Class: Sqreen::Rules::Haml4ParserScriptHookCB

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

Overview

Hook into haml4 script parser

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

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

#failing?, #framework, #overtime!, #post?, #pre?, #priority, #to_s, #whitelisted?

Constructor Details

#initialize(*args) ⇒ Haml4ParserScriptHookCB

Returns a new instance of Haml4ParserScriptHookCB.



116
117
118
119
 
# File 'lib/sqreen/rules/xss_cb.rb', line 116

def initialize(*args)
  super(*args)
  @overtimeable = false
end

Instance Method Details

#pre(_inst, args, _budget = nil, &_block) ⇒ Object 



121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
 
# File 'lib/sqreen/rules/xss_cb.rb', line 121

def pre(_inst, args, _budget = nil, &_block)
  return unless args.size > 1
  return unless Haml::VERSION < '5'
  text = args[0]
  escape_html = args[1]
  if escape_html == false &&
     text.respond_to?(:include?) &&
     !text.include?('html_escape')
    if text.respond_to? :text=
      args[0].text = "Sqreen.escape_haml((#{args[0].text}))"
    else
      args[0].replace("Sqreen.escape_haml((#{args[0]}))")
    end
  end
  nil
end