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33 lines
598 B
Ruby
33 lines
598 B
Ruby
class CompressedFileUploader < BaseUploader
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def decompressed_path
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return unless file
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cache_stored_file! unless cached?
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out_path = "#{current_path}.decompressed"
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unless File.exist?(out_path)
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decompress(out_path)
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end
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out_path
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end
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private
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def decompress(out_path)
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header = File.read(current_path, 2).bytes
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case header
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when [31, 139]
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system("gzip -d -k -c #{current_path} >#{out_path}")
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when [66, 90]
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system("bzip2 -d -k -c #{current_path} >#{out_path}")
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else
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raise "unknown compressed file format"
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end
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end
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end
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