Parent

Methods

Included Modules

Mechanize::Chain::BodyDecodingHandler

Public Instance Methods

handle(ctx, options) click to toggle source
# File lib/mechanize/chain/body_decoding_handler.rb, line 6
def handle(ctx, options)
  body = options[:response_body]
  response = options[:response]

  options[:response_body] =
    if encoding = response['Content-Encoding']
      case encoding.downcase
      when 'gzip'
        Mechanize.log.debug('gunzip body') if Mechanize.log
        if response['Content-Length'].to_i > 0 || body.length > 0
          begin
            Zlib::GzipReader.new(body).read
          rescue Zlib::BufError, Zlib::GzipFile::Error
            if Mechanize.log
              Mechanize.log.error('Caught a Zlib::BufError')
            end
            body.rewind
            body.read(10)
            Zlib::Inflate.new(-Zlib::MAX_WBITS).inflate(body.read)
          rescue Zlib::DataError
            if Mechanize.log
              Mechanize.log.error("Caught a Zlib::DataError, unable to decode page: #{$!.to_s}")
            end
            ''
          end
        else
          ''
        end
      when 'x-gzip'
        body.read
      when '7bit'
        body.read
      when 'none'
        body.read
      else
        raise 'Unsupported content encoding'
      end
    else
      body.read
    end
  super
end

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