discourse/db/migrate/20190716173854_add_secure_t...

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# frozen_string_literal: true
class AddSecureToUploads < ActiveRecord::Migration[5.2]
def up
add_column :uploads, :secure, :boolean, default: false, null: false
prevent_anons_from_downloading_files = \
DB.query_single("SELECT value FROM site_settings WHERE name = 'prevent_anons_from_downloading_files'").first == 't'
if prevent_anons_from_downloading_files
execute(
<<-SQL
UPDATE uploads SET secure = 't' WHERE id IN (
SELECT DISTINCT(uploads.id) FROM uploads
INNER JOIN post_uploads ON post_uploads.upload_id = uploads.id
WHERE LOWER(original_filename) NOT SIMILAR TO '%\.(jpg|jpeg|png|gif|svg|ico)'
)
SQL
)
end
end
def down
remove_column :uploads, :secure
end
end