Class: Rex::Java::Serialization::Model::NewObject

Inherits:
Element
  • Object
show all
Includes:
Contents
Defined in:
lib/rex/java/serialization/model/new_object.rb

Overview

This class provides a NewObject (Java Object) representation

Constant Summary

Constants included from Rex::Java::Serialization

BASE_WIRE_HANDLE, OBJECT_TYPE_CODES, PRIMITIVE_TYPE_CODES, SC_BLOCK_DATA, SC_ENUM, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, STREAM_MAGIC, STREAM_VERSION, TC_ARRAY, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING, TYPE_CODES

Instance Attribute Summary collapse

Attributes inherited from Element

#stream

Instance Method Summary collapse

Methods included from Contents

#decode_content, #encode_content, #print_class, #print_content

Methods inherited from Element

decode

Constructor Details

#initialize(stream = nil) ⇒ NewObject

Returns a new instance of NewObject.

Parameters:



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# File 'lib/rex/java/serialization/model/new_object.rb', line 20

def initialize(stream = nil)
  super(stream)
  self.class_desc = nil
  self.class_data = []
end

Instance Attribute Details

#class_data ⇒ Array

Returns The data of the object.

Returns:

  • (Array) —

    The data of the object



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# File 'lib/rex/java/serialization/model/new_object.rb', line 17

def class_data
  @class_data
end

#class_desc ⇒ Rex::Java::Serialization::Model::ClassDesc

Returns The description of the object.

Returns:



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# File 'lib/rex/java/serialization/model/new_object.rb', line 14

def class_desc
  @class_desc
end

Instance Method Details

#decode(io) ⇒ self

Deserializes a Rex::Java::Serialization::Model::NewObject

Parameters:

  • io (IO) —

    the io to read from

Returns:

  • (self) —

    if deserialization succeeds

Raises:



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# File 'lib/rex/java/serialization/model/new_object.rb', line 31

def decode(io)
  self.class_desc = ClassDesc.decode(io, stream)
  stream.add_reference(self) unless stream.nil?

  case class_desc.description
  when NewClassDesc
    self.class_data = decode_class_data(io, class_desc.description)
  when Reference
    ref = class_desc.description.handle - BASE_WIRE_HANDLE
    self.class_data = decode_class_data(io, stream.references[ref])
  end

  self
end

#encode ⇒ String

Serializes the Rex::Java::Serialization::Model::NewObject

Returns:

  • (String) —

    if serialization succeeds

Raises:



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# File 'lib/rex/java/serialization/model/new_object.rb', line 50

def encode
  unless class_desc.kind_of?(ClassDesc)
    raise Rex::Java::Serialization::EncodeError, 'Failed to serialize NewObject'
  end

  encoded = ''
  encoded << class_desc.encode

  class_data.each do |value|
    if value.kind_of?(Array)
      encoded << encode_value(value)
    else
      encoded << encode_content(value)
    end
  end

  encoded
end

#to_s ⇒ String

Creates a print-friendly string representation

Returns:

  • (String) 


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# File 'lib/rex/java/serialization/model/new_object.rb', line 72

def to_s
  str  = ''

  case class_desc.description
  when NewClassDesc
    str << class_desc.description.class_name.to_s
  when ProxyClassDesc
    str << class_desc.description.interfaces.collect { |iface| iface.contents }.join(',')
  when Reference
    str << (class_desc.description.handle - BASE_WIRE_HANDLE).to_s(16)
  end

  str << ' => { '
  data_str = class_data.collect { |data| data.to_s }
  str << data_str.join(', ')
  str << ' }'

  str
end