Module: Aikido::Zen::Sinks::SQLite3

Defined in:
lib/aikido/zen/sinks/sqlite3.rb

Defined Under Namespace

Modules: Helpers

Constant Summary collapse

SINK = 
Sinks.add("sqlite3", scanners: [Scanners::SQLInjectionScanner])

Class Method Summary collapse

Class Method Details

.load_sinks! ⇒ Object 



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# File 'lib/aikido/zen/sinks/sqlite3.rb', line 18

def self.load_sinks!
  if Aikido::Zen.satisfy "sqlite3", ">= 1.0"
    require "sqlite3"

    ::SQLite3::Database.class_eval do
      extend Sinks::DSL

      [
        :execute,
        :execute_batch
      ].each do |method_name|
        presafe_sink_before method_name do |sql, bind_vars|
          Sinks::DSL.safe do
            Helpers.scan(sql, "database.execute")
          end

          Aikido::Zen.idor_protect(sql, :sqlite, bind_vars)
        end
      end

      # SQLite3::Database#exec_batch is an internal native private method.
      presafe_sink_before :exec_batch do |sql, *args, **kwargs|
        Sinks::DSL.safe do
          Helpers.scan(sql, "exec_batch")
        end

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

      alias_method :prepare__internal_for_aikido_zen, :prepare

      def prepare(*args, **kwargs, &blk)
        sql, = args

        Sinks::DSL.safe do
          Helpers.scan(sql, "statement.execute")
        end

        unless blk
          result = prepare__internal_for_aikido_zen(*args, **kwargs)
          result.aikido_idor_sql = sql
          return result
        end

        prepare__internal_for_aikido_zen(*args, **kwargs) do |stmt|
          stmt.aikido_idor_sql = sql
          blk.call(stmt)
        end
      end
    end

    ::SQLite3::Statement.class_eval do
      extend Sinks::DSL

      attr_accessor :aikido_idor_sql

      presafe_sink_before :execute do |*bind_vars|
        sql = aikido_idor_sql

        Sinks::DSL.safe do
          Helpers.scan(sql, "statement.execute")
        end

        Aikido::Zen.idor_protect(sql, :sqlite, bind_vars)
      end
    end
  end
end