44 lines
1.2 KiB
Ruby
44 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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# File helpers methods.
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# It needs the method filename to be defined.
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module Gitlab
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module FileTypeDetection
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IMAGE_EXT = %w[png jpg jpeg gif bmp tiff ico].freeze
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# We recommend using the .mp4 format over .mov. Videos in .mov format can
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# still be used but you really need to make sure they are served with the
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# proper MIME type video/mp4 and not video/quicktime or your videos won't play
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# on IE >= 9.
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# http://archive.sublimevideo.info/20150912/docs.sublimevideo.net/troubleshooting.html
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VIDEO_EXT = %w[mp4 m4v mov webm ogv].freeze
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# These extension types can contain dangerous code and should only be embedded inline with
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# proper filtering. They should always be tagged as "Content-Disposition: attachment", not "inline".
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DANGEROUS_EXT = %w[svg].freeze
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def image?
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extension_match?(IMAGE_EXT)
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end
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def video?
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extension_match?(VIDEO_EXT)
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end
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def image_or_video?
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image? || video?
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end
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def dangerous?
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extension_match?(DANGEROUS_EXT)
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end
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private
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def extension_match?(extensions)
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return false unless filename
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extension = File.extname(filename).delete('.')
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extensions.include?(extension.downcase)
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end
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end
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end
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