mastodon/app/models/concerns/remotable.rb
Eugen Rochko e6c81a635b Fix #2848 - Rake task to redownload avatars/headers (#4156)
Can be filtered by a specific domain
Resolves #2292
2017-07-11 17:25:49 +02:00

51 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module Remotable
include HttpHelper
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|
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
response = http_client.get(url)
return if response.code != 200
matches = response.headers['content-disposition']&.match(/filename="([^"]*)"/)
filename = matches.nil? ? parsed_url.path.split('/').last : matches[1]
send("#{attachment_name}=", StringIO.new(response.to_s))
send("#{attachment_name}_file_name=", filename)
self[attribute_name] = url if has_attribute?(attribute_name)
rescue HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError, Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError => 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