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57 lines
1.9 KiB
57 lines
1.9 KiB
# 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) |
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attribute_name = "#{attachment_name}_remote_url".to_sym |
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method_name = "#{attribute_name}=".to_sym |
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alt_method_name = "reset_#{attachment_name}!".to_sym |
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define_method method_name do |url| |
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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.empty? || self[attribute_name] == url |
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begin |
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Request.new(:get, url).perform do |response| |
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next if response.code != 200 |
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matches = response.headers['content-disposition']&.match(/filename="([^"]*)"/) |
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filename = matches.nil? ? parsed_url.path.split('/').last : matches[1] |
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basename = SecureRandom.hex(8) |
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extname = if filename.nil? |
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'' |
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else |
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File.extname(filename) |
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end |
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send("#{attachment_name}=", StringIO.new(response.body_with_limit(limit))) |
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send("#{attachment_name}_file_name=", basename + extname) |
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self[attribute_name] = url if has_attribute?(attribute_name) |
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end |
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rescue HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError, Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError, Mastodon::HostValidationError => e |
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Rails.logger.debug "Error fetching remote #{attachment_name}: #{e}" |
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nil |
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end |
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end |
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define_method alt_method_name do |
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url = self[attribute_name] |
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return if url.blank? |
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self[attribute_name] = '' |
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send(method_name, url) |
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end |
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end |
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end |
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end
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