Module: Aikido::Zen::Sinks::PG

Defined in:
lib/aikido/zen/sinks/pg.rb

Defined Under Namespace

Modules: Helpers

Constant Summary collapse

SINK = 
Sinks.add("pg", scanners: [Scanners::SQLInjectionScanner])

Class Method Summary collapse

Class Method Details

.load_sinks! ⇒ Object 



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# File 'lib/aikido/zen/sinks/pg.rb', line 38

def self.load_sinks!
  if Aikido::Zen.satisfy "pg", ">= 1.0"
    require "pg"

    ::PG::Connection.class_eval do
      extend Sinks::DSL

      [
        :send_query,
        :exec, # also known as: async_exec
        :async_exec,
        :sync_exec
      ].each do |method_name|
        presafe_sink_before method_name do |sql|
          Helpers.safe do
            Helpers.scan(sql, method_name)
          end

          Aikido::Zen.idor_protect(sql, :postgresql)
        end
      end

      [
        :send_query_params,
        :exec_params, # also known as: async_exec_params
        :async_exec_params,
        :sync_exec_params
      ].each do |method_name|
        presafe_sink_before method_name do |sql, params|
          Helpers.safe do
            Helpers.scan(sql, method_name)
          end

          Aikido::Zen.idor_protect(sql, :postgresql, params)
        end
      end

      def aikido_idor_prepared_statements
        @aikido_idor_prepared_statements ||= {}
      end

      [
        :send_prepare,
        :prepare, # also known as: async_prepare
        :async_prepare,
        :sync_prepare
      ].each do |method_name|
        presafe_sink_before method_name do |statement_name, sql|
          aikido_idor_prepared_statements[statement_name] = sql
        end
      end

      [
        :send_query_prepared,
        :exec_prepared, # also known as: async_exec_prepared
        :async_exec_prepared,
        :sync_exec_prepared
      ].each do |method_name|
        presafe_sink_before method_name do |statement_name, params|
          sql = aikido_idor_prepared_statements[statement_name]

          Helpers.safe do
            Helpers.scan(sql, method_name)
          end

          Aikido::Zen.idor_protect(sql, :postgresql, params)
        end
      end
    end
  end
end