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29 lines
792 B
29 lines
792 B
class FetchRemoteAccountService < 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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return 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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xml = Nokogiri::XML(body)
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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 TypeError
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Rails.logger.debug "Unparseable URL given: #{url}"
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nil
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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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