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Remote ActivityPub users that have never been known as OStatus users (whether or not they support it) will not have a “remote_url” attribute set. In case they reside on an instance with WEB_DOMAIN ≠ LOCAL_DOMAIN, the current check did rely on “remote_url” to verify the user's domain.
46 lines
1.4 KiB
Ruby
46 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class FetchRemoteStatusService < BaseService
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include AuthorExtractor
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def call(url, prefetched_body = nil, protocol = :ostatus)
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if prefetched_body.nil?
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resource_url, resource_options, protocol = FetchAtomService.new.call(url)
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else
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resource_url = url
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resource_options = { prefetched_body: prefetched_body }
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end
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case protocol
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when :ostatus
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process_atom(resource_url, **resource_options)
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when :activitypub
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ActivityPub::FetchRemoteStatusService.new.call(resource_url, **resource_options)
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end
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end
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private
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def process_atom(url, prefetched_body:)
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Rails.logger.debug "Processing Atom for remote status at #{url}"
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xml = Nokogiri::XML(prefetched_body)
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xml.encoding = 'utf-8'
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account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: OStatus::TagManager::XMLNS))
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domain = Addressable::URI.parse(url).normalized_host
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return nil unless !account.nil? && confirmed_domain?(domain, account)
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statuses = ProcessFeedService.new.call(prefetched_body, account)
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statuses.first
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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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def confirmed_domain?(domain, account)
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account.domain.nil? || domain.casecmp(account.domain).zero? || domain.casecmp(Addressable::URI.parse(account.remote_url || account.uri).normalized_host).zero?
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end
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end
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