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53 lines
2.1 KiB
Ruby
53 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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module Remotable
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extend ActiveSupport::Concern
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class_methods do
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def remotable_attachment(attachment_name, limit, suppress_errors: true, download_on_assign: true, attribute_name: nil)
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attribute_name ||= :"#{attachment_name}_remote_url"
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define_method(:"download_#{attachment_name}!") do |url = nil|
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url ||= self[attribute_name]
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return if url.blank?
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begin
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parsed_url = Addressable::URI.parse(url).normalize
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rescue Addressable::URI::InvalidURIError
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return
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end
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return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.blank?
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begin
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Request.new(:get, url).perform do |response|
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raise Mastodon::UnexpectedResponseError, response unless (200...300).cover?(response.code)
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public_send(:"#{attachment_name}=", ResponseWithLimit.new(response, limit))
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end
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rescue Mastodon::UnexpectedResponseError, *Mastodon::HTTP_CONNECTION_ERRORS => e
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Rails.logger.debug { "Error fetching remote #{attachment_name}: #{e}" }
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public_send(:"#{attachment_name}=", nil) if public_send(:"#{attachment_name}_file_name").present?
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raise e unless suppress_errors
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rescue Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError, Mastodon::HostValidationError, Mastodon::LengthValidationError, Paperclip::Error, Mastodon::DimensionsValidationError, Mastodon::StreamValidationError => e
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Rails.logger.debug { "Error fetching remote #{attachment_name}: #{e}" }
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public_send(:"#{attachment_name}=", nil) if public_send(:"#{attachment_name}_file_name").present?
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end
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nil
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end
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define_method(:"#{attribute_name}=") do |url|
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return if self[attribute_name] == url && public_send(:"#{attachment_name}_file_name").present?
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self[attribute_name] = url if has_attribute?(attribute_name)
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public_send(:"download_#{attachment_name}!", url) if download_on_assign
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end
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alias_method(:"reset_#{attachment_name}!", :"download_#{attachment_name}!")
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end
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end
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end
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