tootlab-mastodon/app/models/concerns/remotable.rb
Akihiko Odaki 54b273bf99 Close http connection in perform method of Request class (#6889)
HTTP connections must be explicitly closed in many cases, and letting
perform method close connections makes its callers less redundant and
prevent them from forgetting to close connections.
2018-03-24 12:49:54 +01:00

58 lines
1.9 KiB
Ruby

# frozen_string_literal: true
module Remotable
extend ActiveSupport::Concern
included do
attachment_definitions.each_key do |attachment_name|
attribute_name = "#{attachment_name}_remote_url".to_sym
method_name = "#{attribute_name}=".to_sym
alt_method_name = "reset_#{attachment_name}!".to_sym
define_method method_name do |url|
return if url.blank?
begin
parsed_url = Addressable::URI.parse(url).normalize
rescue Addressable::URI::InvalidURIError
return
end
return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? || self[attribute_name] == url
begin
Request.new(:get, url).perform do |response|
next if response.code != 200
matches = response.headers['content-disposition']&.match(/filename="([^"]*)"/)
filename = matches.nil? ? parsed_url.path.split('/').last : matches[1]
basename = SecureRandom.hex(8)
extname = if filename.nil?
''
else
File.extname(filename)
end
send("#{attachment_name}=", StringIO.new(response.to_s))
send("#{attachment_name}_file_name=", basename + extname)
self[attribute_name] = url if has_attribute?(attribute_name)
end
rescue HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError, Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError, Mastodon::HostValidationError => e
Rails.logger.debug "Error fetching remote #{attachment_name}: #{e}"
nil
end
end
define_method alt_method_name do
url = self[attribute_name]
return if url.blank?
self[attribute_name] = ''
send(method_name, url)
end
end
end
end