demarches-normaliennes/app/lib/active_storage/virus_scanner.rb

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class ActiveStorage::VirusScanner
include ActiveStorage::Downloading
def initialize(blob)
@blob = blob
end
attr_reader :blob
PENDING = 'pending'
INFECTED = 'infected'
SAFE = 'safe'
def pending?
blob.metadata[:virus_scan_result] == PENDING
end
def infected?
blob.metadata[:virus_scan_result] == INFECTED
end
def safe?
blob.metadata[:virus_scan_result] == SAFE
end
def done?
started? && blob.metadata[:virus_scan_result] != PENDING
end
def started?
blob.metadata[:virus_scan_result].present?
end
def metadata
download_blob_to_tempfile do |file|
if ClamavService.safe_file?(file.path)
{ virus_scan_result: SAFE, scanned_at: Time.zone.now }
else
{ virus_scan_result: INFECTED, scanned_at: Time.zone.now }
end
end
end
end