Class: Brakeman::LibraryProcessor

Inherits:
BaseProcessor
  • Object
show all
Includes:
ModuleHelper
Defined in:
lib/brakeman/processors/library_processor.rb

Overview

Process generic library and stores it in Tracker.libs

Instance Method Summary collapse

Methods included from ModuleHelper

#handle_class, #handle_module, #make_defs, #process_sclass

Constructor Details

#initialize(tracker) ⇒ LibraryProcessor

Returns a new instance of LibraryProcessor.



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# File 'lib/brakeman/processors/library_processor.rb', line 10

def initialize tracker
  super
  @current_file = nil
  @alias_processor = Brakeman::AliasProcessor.new tracker
  @current_module = nil
  @current_class = nil
  @initializer_env = nil
end

Instance Method Details

#process_call(exp) ⇒ Object 



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# File 'lib/brakeman/processors/library_processor.rb', line 61

def process_call exp
  if process_call_defn? exp
    exp
  elsif @current_method.nil? and exp.target.nil? and (@current_class or @current_module)
    # Methods called inside class / module
    case exp.method
    when :include
      module_name = class_name(exp.first_arg)
      (@current_class || @current_module).add_include module_name
    end

    exp
  else
    process_default exp
  end
end

#process_class(exp) ⇒ Object 



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# File 'lib/brakeman/processors/library_processor.rb', line 24

def process_class exp
  handle_class exp, @tracker.libs, Brakeman::Library
end

#process_defn(exp) ⇒ Object Also known as: process_defs 



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# File 'lib/brakeman/processors/library_processor.rb', line 32

def process_defn exp
  # TODO: Why is this different from ModuleHelper?

  if @inside_sclass
    exp = make_defs(exp)
  end

  if exp.method_name == :initialize
    @alias_processor.process_safely exp.body_list
    @initializer_env = @alias_processor.only_ivars
  elsif node_type? exp, :defn
    exp = @alias_processor.process_safely exp, @initializer_env
  else
    exp = @alias_processor.process exp
  end

  if @current_class
    exp.body = process_all! exp.body
    @current_class.add_method :public, exp.method_name, exp, @current_file
  elsif @current_module
    exp.body = process_all! exp.body
    @current_module.add_method :public, exp.method_name, exp, @current_file
  end

  exp
end

#process_iter(exp) ⇒ Object 



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# File 'lib/brakeman/processors/library_processor.rb', line 78

def process_iter exp
  res = process_default exp

  if node_type? res, :iter and call? exp.block_call # sometimes this changes after processing
    if exp.block_call.method == :included and (@current_module or @current_class)
      (@current_module || @current_class).options[:included] = res.block
    end
  end

  res
end

#process_library(src, current_file = @current_file) ⇒ Object 



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# File 'lib/brakeman/processors/library_processor.rb', line 19

def process_library src, current_file = @current_file
  @current_file = current_file
  process src
end

#process_module(exp) ⇒ Object 



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# File 'lib/brakeman/processors/library_processor.rb', line 28

def process_module exp
  handle_module exp, Brakeman::Library
end