Class: Brakeman::CheckSecrets

Inherits:
BaseCheck show all
Defined in:
lib/brakeman/checks/check_secrets.rb

Constant Summary

Constants inherited from BaseCheck

BaseCheck::CONFIDENCE

Constants included from Util

Util::ALL_PARAMETERS, Util::COOKIES, Util::COOKIES_SEXP, Util::PARAMETERS, Util::PARAMS_SEXP, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, 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 BaseCheck

#tracker, #warnings

Attributes inherited from SexpProcessor

#context, #env, #expected

Instance Method Summary collapse

Methods inherited from BaseCheck

#add_result, inherited, #initialize, #process_call, #process_cookies, #process_default, #process_dstr, #process_if, #process_params

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, #initialize, #process, processors, #scope

Constructor Details

This class inherits a constructor from Brakeman::BaseCheck

Instance Method Details

#check_constantsObject



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# File 'lib/brakeman/checks/check_secrets.rb', line 12

def check_constants
  @warned = Set.new

  @tracker.constants.each do |constant|
    name = constant.name_array.last
    value = constant.value

    if string? value and not value.value.empty? and looks_like_secret? name
      match = [name, value, value.line]

      unless @warned.include? match
        @warned << match

        warn :warning_code => :secret_in_source,
          :warning_type => "Authentication",
          :message => "Hardcoded value for #{name} in source code",
          :confidence => CONFIDENCE[:med],
          :file => constant.file,
          :line => constant.line
      end
    end
  end
end

#looks_like_secret?(name) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/brakeman/checks/check_secrets.rb', line 36

def looks_like_secret? name
  # REST_AUTH_SITE_KEY is the pepper in Devise
  name.match /password|secret|(rest_auth_site|api)_key$/i
end

#run_checkObject



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# File 'lib/brakeman/checks/check_secrets.rb', line 8

def run_check
  check_constants
end