Contents

require 'brakeman/processors/base_processor'

#Processes Gemfile and Gemfile.lock
class Brakeman::GemProcessor < Brakeman::BaseProcessor

  def initialize *args
    super

    @tracker.config[:gems] ||= {}
  end

  def process_gems src, gem_lock = nil
    process src

    if gem_lock
      get_rails_version gem_lock
      get_json_version gem_lock
      get_i18n_version gem_lock
    elsif @tracker.config[:gems][:rails] =~ /(\d+.\d+.\d+)/
      @tracker.config[:rails_version] = $1
    end

    if @tracker.config[:rails_version] =~ /^(3|4)\./ and not @tracker.options[:rails3]
      @tracker.options[:rails3] = true
      Brakeman.notify "[Notice] Detected Rails #$1 application"
    end

    if @tracker.config[:gems][:rails_xss]
      @tracker.config[:escape_html] = true

      Brakeman.notify "[Notice] Escaping HTML by default"
    end
  end

  def process_call exp
    if exp.target == nil and exp.method == :gem
      gem_name = exp.first_arg
      gem_version = exp.second_arg

      if string? gem_version
        @tracker.config[:gems][gem_name.value.to_sym] = gem_version.value
      else
        @tracker.config[:gems][gem_name.value.to_sym] = ">=0.0.0"
      end
    end

    exp
  end
  
  # Supports .rc2 but not ~>, >=, or <=
  def get_version name, gem_lock
    if gem_lock =~ /\s#{name} \((\w(\.\w+)*)\)(?:\n|\r\n)/ 
      $1
    end 
  end

  def get_rails_version gem_lock
    @tracker.config[:rails_version] = get_version("rails", gem_lock)
  end

  def get_json_version gem_lock
    @tracker.config[:gems][:json] = get_version("json", gem_lock)
    @tracker.config[:gems][:json_pure] = get_version("json_pure", gem_lock)
  end

  def get_i18n_version gem_lock
    @tracker.config[:gems][:i18n] = get_version("i18n", gem_lock)
  end
end

Version data entries

4 entries across 4 versions & 2 rubygems

Version	Path
brakeman-min-2.3.1	lib/brakeman/processors/gem_processor.rb
brakeman-2.3.1	lib/brakeman/processors/gem_processor.rb
brakeman-min-2.3.0	lib/brakeman/processors/gem_processor.rb
brakeman-2.3.0	lib/brakeman/processors/gem_processor.rb