Class: RequestLogAnalyzer::Filter::Anonymize

Inherits:
Base
  • Object
show all
Defined in:
lib/request_log_analyzer/filter/anonymize.rb

Overview

Filter to anonymize parsed values Options

  • :mode :reject or :accept.
  • :field Specific field to accept or reject.
  • :value Value that the field should match to be accepted or rejected.

Instance Attribute Summary

Attributes inherited from Base

#file_format, #options

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from RequestLogAnalyzer::Filter::Base

Instance Method Details

#anonymize_url(value) ⇒ Object 



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# File 'lib/request_log_analyzer/filter/anonymize.rb', line 12

def anonymize_url(value)
  value.sub(/^https?\:\/\/[A-Za-z0-9\.-]+\//, 'http://example.com/')
end

#filter(request) ⇒ Object 



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# File 'lib/request_log_analyzer/filter/anonymize.rb', line 20

def filter(request)
  # TODO: request.attributes is bad practice
  request.attributes.each do |key, value|
    if key == :ip
      request.attributes[key] = generate_random_ip
    elsif key == :url
      request.attributes[key] = anonymize_url(value)
    elsif [:duration, :view, :db, :type, :after_filters_time, :before_filters_time,
           :action_time].include?(key)
      request.attributes[key] = fuzz(value)
    end
  end

  request
end

#fuzz(value) ⇒ Object 



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# File 'lib/request_log_analyzer/filter/anonymize.rb', line 16

def fuzz(value)
  value * ((75 + rand(50)) / 100.0)
end

#generate_random_ip ⇒ Object 



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# File 'lib/request_log_analyzer/filter/anonymize.rb', line 8

def generate_random_ip
  "#{rand(256)}.#{rand(256)}.#{rand(256)}.#{rand(256)}"
end