demarches-normaliennes/config/initializers/active_storage.rb

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ActiveStorage::Service.url_expires_in = 1.hour
# We want to run the virus scan on every ActiveStorage attachment,
# regardless of its type (user-uploaded document, instructeur-uploaded attestation, form template, etc.)
#
# To do this, the best place to work on is the ActiveStorage::Attachment
# objects themselves.
#
# We have to monkey patch ActiveStorage in order to always run an analyzer.
# The way analyzable blob interface work is by running the first accepted analyzer.
# This is not what we want for the virus scan. Using analyzer interface is still beneficial
# as it takes care of downloading the blob.
ActiveStorage::Attachment.class_eval do
after_create_commit :virus_scan
private
def virus_scan
ActiveStorage::VirusScanner.new(blob).analyze_later
end
end
ActiveStorage::Attached::One.class_eval do
def virus_scanner
if attached?
ActiveStorage::VirusScanner.new(attachment.blob)
end
end
end