72 lines
2.3 KiB
Ruby
72 lines
2.3 KiB
Ruby
module Rex
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module Java
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module Serialization
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module Model
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# This class provides a NewEnum (Java Enum) representation
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class NewEnum < Element
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include Rex::Java::Serialization
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# @!attribute enum_description
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# @return [Java::Serialization::Model::ClassDescription] The description of the enum
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attr_accessor :enum_description
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# @!attribute constant_name
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# @return [Array] The constant value in the Java Enum
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attr_accessor :constant_name
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def initialize
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self.enum_description = nil
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self.constant_name = nil
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end
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# Deserializes a Java::Serialization::Model::NewEnum
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#
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# @param io [IO] the io to read from
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# @return [self] if deserialization succeeds
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# @raise [RuntimeError] if deserialization doesn't succeed
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def decode(io)
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self.enum_description = ClassDesc.decode(io)
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self.constant_name = decode_constant_name(io)
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self
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end
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# Serializes the Java::Serialization::Model::NewEnum
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#
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# @return [String] if serialization succeeds
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# @raise [RuntimeError] if serialization doesn't succeed
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def encode
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unless enum_description.class == Rex::Java::Serialization::Model::ClassDesc &&
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constant_name.class == Rex::Java::Serialization::Model::Utf
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raise ::RuntimeError, 'Failed to serialize EnumDescription'
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end
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encoded = ''
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encoded << enum_description.encode
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encoded << [TC_STRING].pack('C')
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encoded << constant_name.encode
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encoded
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end
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private
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# Deserializes the NewEnum constant name
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#
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# @param io [IO] the io to read from
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# @return [Rex::Java::Serialization::Model::Utf] if deserialization succeeds
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# @raise [RuntimeError] if deserialization doesn't succed
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def decode_constant_name(io)
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opcode = io.read(1)
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unless opcode && opcode.unpack('C')[0] == TC_STRING
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raise ::RuntimeError, 'Failed to unserialize NewEnum'
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end
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constant = Utf.decode(io)
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constant
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end
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end
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end
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end
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end
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end |