mastodon/app/services/fetch_remote_account_service.rb

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# frozen_string_literal: true
class FetchRemoteAccountService < BaseService
include AuthorExtractor
def call(url, prefetched_body = nil)
if prefetched_body.nil?
resource_url, body, protocol = FetchAtomService.new.call(url)
else
resource_url = url
body = prefetched_body
protocol = :ostatus
end
case protocol
when :ostatus
process_atom(resource_url, body)
when :activitypub
ActivityPub::FetchRemoteAccountService.new.call(resource_url, body)
end
end
private
def process_atom(url, body)
xml = Nokogiri::XML(body)
xml.encoding = 'utf-8'
account = author_from_xml(xml.at_xpath('/xmlns:feed', xmlns: TagManager::XMLNS), false)
UpdateRemoteProfileService.new.call(xml, account) unless account.nil?
account
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rescue TypeError
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Rails.logger.debug "Unparseable URL given: #{url}"
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nil
rescue Nokogiri::XML::XPath::SyntaxError
Rails.logger.debug 'Invalid XML or missing namespace'
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nil
end
end