28 lines
921 B
Ruby
28 lines
921 B
Ruby
# frozen_string_literal: true
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# Run a virus scan on all attachments after they are analyzed.
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#
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# We're using a class extension to ensure that all attachments get scanned,
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# regardless on how they were created. This could be an ActiveStorage::Analyzer,
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# but as of Rails 6.1 only the first matching analyzer is ever run on
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# a blob (and we may want to analyze the dimension of a picture as well
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# as scanning it).
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module AttachmentImageProcessorConcern
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extend ActiveSupport::Concern
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included do
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after_create_commit :process_image
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end
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private
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def process_image
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return if blob.nil?
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return if blob.attachments.size != 1
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return if blob.attachments.any? { _1.record_type == "Export" }
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return if !blob.content_type.in?(PROCESSABLE_TYPES)
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return if blob.byte_size.zero? # some empty files may be considered as image depending on filename
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ImageProcessorJob.perform_later(blob)
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end
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end
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