Module: Immunio::IOHooks

Defined in:
lib/immunio/plugins/io.rb

Class Method Summary collapse

Class Method Details

.inject(mod, name, methods) ⇒ Object



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# File 'lib/immunio/plugins/io.rb', line 26

def self.inject(mod, name, methods)
  mod.class_eval <<-EOF
    def self.extended(base)
      #{methods.inspect}.each do |method|
        Immunio::Utils.alias_method_chain base.singleton_class, method, :immunio
      end
    end

    def self.included(base)
      #{methods.inspect}.each do |method|
        Immunio::Utils.alias_method_chain base, method, :immunio
      end
    end
  EOF
  Immunio.logger.debug { "IO: successfully chained #{name} #{methods}" }
  methods.each do |method|
    mod.class_eval <<-EOF
      def #{method}_with_immunio(*args, &block)                    # def read_with_immunio(*args, &block)
        if Immunio::IOHooks.paused?
          #{method}_without_immunio(*args, &block)
        else
          Request.time "plugin", "IO::#{method}" do                  #
            strict_context, loose_context, stack = Immunio::Context.context()

            Immunio.run_hook! "io", "file_io",                       #   Immunio.run_hook! "io", "open",
                            method: "#{name}#{method}",              #      open_method: "IO.read",
                            parameters: args,                        #      parameters: args
                            stack: stack,                            #
                            context_key: loose_context,              #
                            cwd: Dir.pwd
            Request.pause "plugin", "IO::#{method}" do               #
              #{method}_without_immunio(*args, &block)               #   read_without_immunio(*args, &block)
            end
          end
        end
      end                                                          # end
    EOF
    Immunio.logger.debug { "IO: successfully created hook for #{name} #{method}" }
  end
end

.pausedObject



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# File 'lib/immunio/plugins/io.rb', line 12

def self.paused
  old_paused = Thread.current["immunio.file_io_paused"]
  Thread.current["immunio.file_io_paused"] = true
  begin
    yield
  ensure
    Thread.current["immunio.file_io_paused"] = old_paused
  end
end

.paused?Boolean

Returns:

  • (Boolean)


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# File 'lib/immunio/plugins/io.rb', line 22

def self.paused?
  !!Thread.current["immunio.file_io_paused"]
end