8171544b3d
This ensures that SVGs greater than 2 megabytes are not scrubbed and rendered. This in turn prevents requests from timing out due to reading/scrubbing large SVGs potentially taking a lot of time (and memory). The use of 2 megabytes is completely arbitrary. Fixes gitlab-org/gitlab-ce#1435
56 lines
1.2 KiB
Ruby
56 lines
1.2 KiB
Ruby
# Blob is a Rails-specific wrapper around Gitlab::Git::Blob objects
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class Blob < SimpleDelegator
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CACHE_TIME = 60 # Cache raw blobs referred to by a (mutable) ref for 1 minute
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CACHE_TIME_IMMUTABLE = 3600 # Cache blobs referred to by an immutable reference for 1 hour
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# The maximum size of an SVG that can be displayed.
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MAXIMUM_SVG_SIZE = 2.megabytes
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# Wrap a Gitlab::Git::Blob object, or return nil when given nil
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#
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# This method prevents the decorated object from evaluating to "truthy" when
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# given a nil value. For example:
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#
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# blob = Blob.new(nil)
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# puts "truthy" if blob # => "truthy"
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#
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# blob = Blob.decorate(nil)
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# puts "truthy" if blob # No output
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def self.decorate(blob)
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return if blob.nil?
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new(blob)
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end
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def no_highlighting?
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size && size > 1.megabyte
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end
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def only_display_raw?
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size && truncated?
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end
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def svg?
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text? && language && language.name == 'SVG'
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end
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def size_within_svg_limits?
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size <= MAXIMUM_SVG_SIZE
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end
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def video?
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UploaderHelper::VIDEO_EXT.include?(extname.downcase.delete('.'))
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end
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def to_partial_path
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if lfs_pointer?
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'download'
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elsif image? || svg?
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'image'
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elsif text?
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'text'
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else
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'download'
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end
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end
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end
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