Class: Brakeman::GemProcessor

Inherits:
BasicProcessor show all
Defined in:
lib/brakeman/processors/gem_processor.rb

Overview

Processes Gemfile and Gemfile.lock

Constant Summary

Constants included from Util

Util::ALL_COOKIES, Util::ALL_PARAMETERS, Util::COOKIES, Util::COOKIES_SEXP, Util::PARAMETERS, Util::PARAMS_SEXP, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_COOKIES, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::SESSION, Util::SESSION_SEXP

Constants inherited from SexpProcessor

SexpProcessor::VERSION

Instance Attribute Summary

Attributes inherited from SexpProcessor

#context, #env, #expected

Instance Method Summary collapse

Methods inherited from BasicProcessor

#process_default, #process_if

Methods included from Util

#array?, #block?, #call?, #camelize, #class_name, #constant?, #contains_class?, #context_for, #cookies?, #false?, #file_by_name, #file_for, #github_url, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #make_call, #node_type?, #number?, #params?, #pluralize, #rails_version, #regexp?, #relative_path, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #string_interp?, #symbol?, #table_to_csv, #template_path_to_name, #true?, #truncate_table, #underscore

Methods included from ProcessorHelper

#current_file_name, #process_all, #process_all!, #process_call_args, #process_call_defn?, #process_class, #process_module

Methods inherited from SexpProcessor

#in_context, #process, processors, #scope

Constructor Details

#initialize(*args) ⇒ GemProcessor

Returns a new instance of GemProcessor.



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# File 'lib/brakeman/processors/gem_processor.rb', line 6

def initialize *args
  super
  @gem_name_version = /^\s*([-_+.A-Za-z0-9]+) \((\w(\.\w+)*)\)/
end

Instance Method Details

#process_call(exp) ⇒ Object 



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# File 'lib/brakeman/processors/gem_processor.rb', line 23

def process_call exp
  if exp.target == nil
    if exp.method == :gem
      gem_name = exp.first_arg
      return exp unless string? gem_name

      gem_version = exp.second_arg

      version = if string? gem_version
                  gem_version.value
                else
                  nil
                end

      @tracker.config.add_gem gem_name.value, version, @gemfile, exp.line
    elsif exp.method == :ruby
      version = exp.first_arg
      if string? version
        @tracker.config.set_ruby_version version.value
      end
    end
  end

  exp
end

#process_gem_lock ⇒ Object 



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# File 'lib/brakeman/processors/gem_processor.rb', line 49

def process_gem_lock
  line_num = 1
  file = @gem_files[:gemlock][:file]
  @gem_files[:gemlock][:src].each_line do |line|
    set_gem_version_and_file line, file, line_num
    line_num += 1
  end
end

#process_gems(gem_files) ⇒ Object 



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# File 'lib/brakeman/processors/gem_processor.rb', line 11

def process_gems gem_files
  @gem_files = gem_files
  @gemfile = gem_files[:gemfile][:file]
  process gem_files[:gemfile][:src]

  if gem_files[:gemlock]
    process_gem_lock
  end

  @tracker.config.set_rails_version
end

#set_gem_version_and_file(line, file, line_num) ⇒ Object

Supports .rc2 but not ~>, >=, or <=



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# File 'lib/brakeman/processors/gem_processor.rb', line 59

def set_gem_version_and_file line, file, line_num
  if line =~ @gem_name_version
    @tracker.config.add_gem $1, $2, file, line_num
  end
end