Class: Brakeman::LibraryProcessor

Inherits:
BaseProcessor show all
Defined in:
lib/brakeman/processors/library_processor.rb

Overview

Process generic library and stores it in Tracker.libs

Constant Summary

Constants inherited from BaseProcessor

BaseProcessor::IGNORE

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 SexpProcessor

#context, #env, #expected

Instance Method Summary collapse

Methods inherited from BaseProcessor

#find_render_type, #ignore, #make_render, #make_render_in_view, #process_arglist, #process_attrasgn, #process_block, #process_default, #process_dstr, #process_evstr, #process_hash, #process_if, #process_ignore, #process_iter, #process_lasgn, #process_scope

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

Methods included from ProcessorHelper

#class_name, #process_all, #process_all!, #process_call_args

Methods inherited from SexpProcessor

#error_handler, #in_context, #process, #process_dummy, #scope

Constructor Details

#initialize(tracker) ⇒ LibraryProcessor

Returns a new instance of LibraryProcessor.


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# File 'lib/brakeman/processors/library_processor.rb', line 7

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

Instance Method Details

#process_class(exp) ⇒ Object


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# File 'lib/brakeman/processors/library_processor.rb', line 20

def process_class exp
  name = class_name(exp.class_name)
  parent = class_name exp.parent_name

  if @current_class
    outer_class = @current_class
    name = (outer_class[:name].to_s + "::" + name.to_s).to_sym
  end

  if @current_module
    name = (@current_module[:name].to_s + "::" + name.to_s).to_sym
  end

  if @tracker.libs[name]
    @current_class = @tracker.libs[name]
    @current_class[:files] << @file_name unless @current_class[:files].include? @file_name
    @current_class[:src][@file_name] = exp
  else
    @current_class = {
      :name => name,
      :parent => parent,
      :includes => [],
      :public => {},
      :private => {},
      :protected => {},
      :src => { @file_name => exp },
      :files => [ @file_name ]
    }

    @tracker.libs[name] = @current_class
  end

  exp.body = process_all! exp.body

  if outer_class
    @current_class = outer_class
  else
    @current_class = nil
  end

  exp
end

#process_defn(exp) ⇒ Object


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# File 'lib/brakeman/processors/library_processor.rb', line 104

def process_defn exp
  exp = @alias_processor.process exp
  exp.node_type = :methdef

  if @current_class
    exp.body = process_all! exp.body
    @current_class[:public][exp.method_name] = { :src => exp, :file => @file_name }
  elsif @current_module
    exp.body = process_all! exp.body
    @current_module[:public][exp.method_name] = { :src => exp, :file => @file_name }
  end

  exp
end

#process_defs(exp) ⇒ Object


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# File 'lib/brakeman/processors/library_processor.rb', line 119

def process_defs exp
  exp = @alias_processor.process exp
  exp.node_type = :selfdef

  if @current_class
    exp.body = process_all! exp.body
    @current_class[:public][exp.method_name] = { :src => exp, :file => @file_name }
  elsif @current_module
    exp.body = process_all! exp.body
    @current_module[:public][exp.method_name] = { :src => exp, :file => @file_name }
  end

  exp
end

#process_library(src, file_name = nil) ⇒ Object


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# File 'lib/brakeman/processors/library_processor.rb', line 15

def process_library src, file_name = nil
  @file_name = file_name
  process src
end

#process_module(exp) ⇒ Object


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# File 'lib/brakeman/processors/library_processor.rb', line 63

def process_module exp
  name = class_name(exp.module_name)

  if @current_module
    outer_module = @current_module
    name = (outer_module[:name].to_s + "::" + name.to_s).to_sym
  end

  if @current_class
    name = (@current_class[:name].to_s + "::" + name.to_s).to_sym
  end

  if @tracker.libs[name]
    @current_module = @tracker.libs[name]
    @current_module[:files] << @file_name unless @current_module[:files].include? @file_name
    @current_module[:src][@file_name] = exp
  else
    @current_module = {
      :name => name,
      :includes => [],
      :public => {},
      :private => {},
      :protected => {},
      :src => { @file_name => exp },
      :files => [ @file_name ]
    }

    @tracker.libs[name] = @current_module
  end

  exp.body = process_all! exp.body

  if outer_module
    @current_module = outer_module
  else
    @current_module = nil
  end

  exp
end