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42 lines
1013 B
42 lines
1013 B
# frozen_string_literal: true
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class FetchRemoteStatusService < BaseService
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def call(url)
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atom_url, body = FetchAtomService.new.call(url)
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return nil if atom_url.nil?
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process_atom(atom_url, body)
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end
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private
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def process_atom(url, body)
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Rails.logger.debug "Processing Atom for remote status at #{url}"
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xml = Nokogiri::XML(body)
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xml.encoding = 'utf-8'
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account = extract_author(url, xml)
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return nil if account.nil?
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statuses = ProcessFeedService.new.call(body, account)
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statuses.first
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end
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def extract_author(url, xml)
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url_parts = Addressable::URI.parse(url)
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username = xml.at_xpath('//xmlns:author/xmlns:name').try(:content)
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domain = url_parts.host
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return nil if username.nil?
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Rails.logger.debug "Going to webfinger #{username}@#{domain}"
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return FollowRemoteAccountService.new.call("#{username}@#{domain}")
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rescue Nokogiri::XML::XPath::SyntaxError
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Rails.logger.debug 'Invalid XML or missing namespace'
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nil
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end
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end
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