Class: Brakeman::Report::Base

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/brakeman/report/report_base.rb

Overview

Base class for report formats

Direct Known Subclasses

HTML, Hash, JSON, Markdown, Table, Tabs

Constant Summary collapse

TEXT_CONFIDENCE =
[ "High", "Medium", "Weak" ]

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#array?, #block?, #call?, #camelize, #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, #regexp?, #relative_path, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #symbol?, #table_to_csv, #template_path_to_name, #true?, #truncate_table, #underscore

Constructor Details

#initialize(app_tree, tracker) ⇒ Base

Returns a new instance of Base.


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# File 'lib/brakeman/report/report_base.rb', line 15

def initialize app_tree, tracker
  @app_tree = app_tree
  @tracker = tracker
  @checks = tracker.checks
  @ignore_filter = tracker.ignored_filter
  @highlight_user_input = tracker.options[:highlight_user_input]
  @warnings_summary = nil
end

Instance Attribute Details

#checksObject (readonly)

Returns the value of attribute checks


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# File 'lib/brakeman/report/report_base.rb', line 11

def checks
  @checks
end

#trackerObject (readonly)

Returns the value of attribute tracker


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# File 'lib/brakeman/report/report_base.rb', line 11

def tracker
  @tracker
end

Instance Method Details

#all_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 208

def all_warnings
  if @ignore_filter
    @all_warnings ||= @ignore_filter.shown_warnings
  else
    @all_warnings ||= tracker.checks.all_warnings
  end
end

#controller_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 238

def controller_warnings
  filter_warnings tracker.checks.controller_warnings
end

#convert_controller_warning(warning, original) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 173

def convert_controller_warning warning, original
  convert_warning warning, original
end

#convert_ignored_warning(warning, original) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 177

def convert_ignored_warning warning, original
  convert_warning warning, original
end

#convert_model_warning(warning, original) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 169

def convert_model_warning warning, original
  convert_warning warning, original
end

#convert_template_warning(warning, original) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 165

def convert_template_warning warning, original
  convert_warning warning, original
end

#convert_to_rows(warnings, type = :warning) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 140

def convert_to_rows warnings, type = :warning
  warnings.map do |warning|
    w = warning.to_row type

    case type
      when :warning
        convert_warning w, warning
      when :template
        convert_template_warning w, warning
      when :model
        convert_model_warning w, warning
      when :controller
        convert_controller_warning w, warning
      when :ignored
        convert_ignored_warning w, warning
      end
  end
end

#convert_warning(warning, original) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 159

def convert_warning warning, original
  warning["Confidence"] = TEXT_CONFIDENCE[warning["Confidence"]]
  warning["Message"] = text_message original, warning["Message"]
  warning
end

#filter_warnings(warnings) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 216

def filter_warnings warnings
  if @ignore_filter
    warnings.reject do |w|
      @ignore_filter.ignored? w
    end
  else
    warnings
  end
end

#generate_controller_warningsObject

Generate table of controller warnings or nil if no warnings


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# File 'lib/brakeman/report/report_base.rb', line 110

def generate_controller_warnings
  render_warnings controller_warnings,
                  :controller,
                  'controller_warnings',
                  ['Confidence', 'Controller', 'Warning Type', 'Message'],
                  'Controller'
end

#generate_controllersObject

Generate table of controllers and routes found for those controllers


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# File 'lib/brakeman/report/report_base.rb', line 35

def generate_controllers
  controller_rows = []

  tracker.controllers.keys.map{|k| k.to_s}.sort.each do |name|
    name = name.to_sym
    c = tracker.controllers[name]

    if tracker.routes.include? :allow_all_actions or (tracker.routes[name] and tracker.routes[name].include? :allow_all_actions)
      routes = c[:public].keys.map{|e| e.to_s}.sort.join(", ")
    elsif tracker.routes[name].nil?
      #No routes defined for this controller.
      #This can happen when it is only a parent class
      #for other controllers, for example.
      routes = "[None]"

    else
      routes = (Set.new(c[:public].keys) & tracker.routes[name.to_sym]).
        to_a.
        map {|e| e.to_s}.
        sort.
        join(", ")
    end

    if routes == ""
      routes = "[None]"
    end

    controller_rows << { "Name" => name.to_s,
      "Parent" => c[:parent].to_s,
      "Includes" => c[:includes].join(", "),
      "Routes" => routes
    }
  end

  cols = ['Name', 'Parent', 'Includes', 'Routes']

  locals = {:controller_rows => controller_rows}
  values = controller_rows.collect{|row| row.values_at(*cols) }
  render_array('controller_overview', cols, values, locals)
end

#generate_errorsObject

Generate table of errors or return nil if no errors


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# File 'lib/brakeman/report/report_base.rb', line 77

def generate_errors
  values = tracker.errors.collect{|error| [error[:error], error[:backtrace][0]]}
  render_array('error_overview', ['Error', 'Location'], values, {:tracker => tracker})
end

#generate_ignored_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 118

def generate_ignored_warnings
  render_warnings ignored_warnings,
                  :ignored,
                  'ignored_warnings',
                  ['Confidence', 'Warning Type', 'File', 'Message'],
                  'Warning Type'
end

#generate_model_warningsObject

Generate table of model warnings or return nil if no warnings


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# File 'lib/brakeman/report/report_base.rb', line 101

def generate_model_warnings
  render_warnings model_warnings,
                  :model,
                  'model_warnings',
                  ['Confidence', 'Model', 'Warning Type', 'Message'],
                  'Model'
end

#generate_template_warningsObject

Generate table of template warnings or return nil if no warnings


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# File 'lib/brakeman/report/report_base.rb', line 91

def generate_template_warnings
  render_warnings template_warnings,
                  :template,
                  'view_warnings',
                  ['Confidence', 'Template', 'Warning Type', 'Message'],
                  'Template'

end

#generate_warning_overviewObject

Generate table of how many warnings of each warning type were reported


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# File 'lib/brakeman/report/report_base.rb', line 25

def generate_warning_overview
  types = warnings_summary.keys
  types.delete :high_confidence
  values = types.sort.collect{|warning_type| [warning_type, warnings_summary[warning_type]] }
  locals = {:types => types, :warnings_summary => warnings_summary}

  render_array('warning_overview', ['Warning Type', 'Total'], values, locals)
end

#generate_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 82

def generate_warnings
  render_warnings generic_warnings,
                  :warning,
                  'security_warnings',
                  ["Confidence", "Class", "Method", "Warning Type", "Message"],
                  'Class'
end

#generic_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 226

def generic_warnings
  filter_warnings tracker.checks.warnings
end

#ignored_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 242

def ignored_warnings
  if @ignore_filter
    @ignore_filter.ignored_warnings
  else
    []
  end
end

#model_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 234

def model_warnings
  filter_warnings tracker.checks.model_warnings
end

#number_of_templates(tracker) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 250

def number_of_templates tracker
  Set.new(tracker.templates.map {|k,v| v[:name].to_s[/[^.]+/]}).length
end

#rails_versionObject


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# File 'lib/brakeman/report/report_base.rb', line 264

def rails_version
  case
  when tracker.config[:rails_version]
    tracker.config[:rails_version]
  when tracker.options[:rails4]
    "4.x"
  when tracker.options[:rails3]
    "3.x"
  else
    "Unknown"
  end
end

#render_warnings(warnings, type, template, cols, sort_col) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 126

def render_warnings warnings, type, template, cols, sort_col
  unless warnings.empty?
    rows = sort(convert_to_rows(warnings, type), sort_col)

    values = rows.collect { |row| row.values_at(*cols) }

    locals = { :warnings => rows }

    render_array(template, cols, values, locals)
  else
    nil
  end
end

#sort(rows, sort_col) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 181

def sort rows, sort_col
  stabilizer = 0
  rows.sort_by do |row|
    stabilizer += 1

    row.values_at("Confidence", "Warning Type", sort_col) << stabilizer
  end
end

#template_warningsObject


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# File 'lib/brakeman/report/report_base.rb', line 230

def template_warnings
  filter_warnings tracker.checks.template_warnings
end

#text_message(warning, message) ⇒ Object

Escape warning message and highlight user input in text output


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# File 'lib/brakeman/report/report_base.rb', line 278

def text_message warning, message
  if @highlight_user_input and warning.user_input
    user_input = warning.format_user_input
    message.gsub(user_input, "+#{user_input}+")
  else
    message
  end
end

#warning_file(warning, absolute = @tracker.options[:absolute_paths]) ⇒ Object


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# File 'lib/brakeman/report/report_base.rb', line 254

def warning_file warning, absolute = @tracker.options[:absolute_paths]
  return nil if warning.file.nil?

  if absolute
    warning.file
  else
    relative_path warning.file
  end
end

#warnings_summaryObject

Return summary of warnings in hash and store in @warnings_summary


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# File 'lib/brakeman/report/report_base.rb', line 191

def warnings_summary
  return @warnings_summary if @warnings_summary

  summary = Hash.new(0)
  high_confidence_warnings = 0

  [all_warnings].each do |warnings|
    warnings.each do |warning|
      summary[warning.warning_type.to_s] += 1
      high_confidence_warnings += 1 if warning.confidence == 0
    end
  end

  summary[:high_confidence] = high_confidence_warnings
  @warnings_summary = summary
end