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Contents
# frozen_string_literal: false
require "json"
##
# Module responsible for sanitizing log data
module LogDataFilter
DEFAULT_MAX_LENGTH = 512
DEFAULT_SENSITIVE_FIELDS = [].freeze
def self.config
@config ||= begin
file_path = "application.json"
config = {
max_length: DEFAULT_MAX_LENGTH,
sensitive_fields: DEFAULT_SENSITIVE_FIELDS
}
if File.exist?(file_path)
json = JSON.parse(File.read(file_path))
if json["macaw"] && json["macaw"]["log"]
log_config = json["macaw"]["log"]
config[:max_length] = log_config["max_length"] if log_config["max_length"]
config[:sensitive_fields] = log_config["sensitive_fields"] if log_config["sensitive_fields"]
end
end
config
end
end
def self.sanitize_for_logging(data, sensitive_fields: config[:sensitive_fields])
return "" if data.nil?
data = data.to_s.force_encoding("UTF-8")
data = data.slice(0, config[:max_length])
data = data.gsub("\\", "")
sensitive_fields.each do |field|
next unless data.include?(field.to_s)
data = data.gsub(/(#{Regexp.escape(field.to_s)}\s*[:=]\s*)([^\s]+)/) do |_match|
"#{::Regexp.last_match(1)}#{Digest::SHA256.hexdigest(::Regexp.last_match(2))}"
end
end
data
end
end
Version data entries
13 entries across 13 versions & 1 rubygems