Module: Mihari::Commands::Search

Includes:
Mixins::Database, Mixins::ErrorNotification, Mixins::Rule
Included in:
Mihari::CLI::Main
Defined in:
lib/mihari/commands/search.rb

Class Method Summary collapse

Methods included from Mixins::ErrorNotification

#with_error_notification

Methods included from Mixins::Rule

#initialize_rule_yaml, #load_erb_yaml, #load_rule, #load_yaml_from_db, #load_yaml_from_file, #rule_template, #validate_rule!

Methods included from Mixins::Database

#with_db_connection

Class Method Details

.included(thor) ⇒ Object 



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# File 'lib/mihari/commands/search.rb', line 10

def self.included(thor)
  thor.class_eval do
    desc "search [RULE]", "Search by a rule"
    method_option :yes, type: :boolean, aliases: "-y", desc: "yes to overwrite the rule in the database"
    def search_by_rule(path_or_id)
      rule = load_rule(path_or_id)

      # validate
      begin
        validate_rule! rule
      rescue RuleValidationError => e
        raise e
      end

      # check update
      id = rule.id
      yes = options["yes"] || false
      unless yes
        with_db_connection do
          rule_ = Mihari::Rule.find(id)
          next if rule.yaml == rule_.yaml
          return unless yes?("This operation will overwrite the rule in the database (Rule ID: #{id}). Are you sure you want to update the rule? (yes/no)")
        rescue ActiveRecord::RecordNotFound
          next
        end
      end

      analyzer = rule.to_analyzer

      with_error_notification do
        alert = analyzer.run

        if alert
          data = Mihari::Entities::Alert.represent(alert)
          puts JSON.pretty_generate(data.as_json)
        else
          Mihari.logger.info "There is no new artifact"
        end

        # record a rule
        with_db_connection do
          model = rule.to_model
          model.save
        rescue ActiveRecord::RecordNotUnique
          nil
        end
      end
    end
  end
end