forked from fedi/mastodon
96 lines
2.2 KiB
Ruby
96 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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class ResolveURLService < BaseService
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include JsonLdHelper
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include Authorization
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attr_reader :url
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def call(url, on_behalf_of: nil)
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@url = url
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@on_behalf_of = on_behalf_of
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return process_local_url if local_url?
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process_url unless fetched_atom_feed.nil?
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end
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private
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def process_url
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if equals_or_includes_any?(type, ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES)
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FetchRemoteAccountService.new.call(atom_url, body, protocol)
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elsif equals_or_includes_any?(type, ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES)
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FetchRemoteStatusService.new.call(atom_url, body, protocol)
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end
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end
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def fetched_atom_feed
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@_fetched_atom_feed ||= FetchAtomService.new.call(url)
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end
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def atom_url
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fetched_atom_feed.first
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end
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def body
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fetched_atom_feed.second[:prefetched_body]
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end
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def protocol
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fetched_atom_feed.third
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end
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def type
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return json_data['type'] if protocol == :activitypub
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case xml_root
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when 'feed'
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'Person'
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when 'entry'
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'Note'
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end
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end
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def json_data
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@_json_data ||= body_to_json(body)
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end
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def xml_root
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xml_data.root.name
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end
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def xml_data
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@_xml_data ||= Nokogiri::XML(body, nil, 'utf-8')
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end
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def local_url?
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TagManager.instance.local_url?(@url)
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end
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def process_local_url
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recognized_params = Rails.application.routes.recognize_path(@url)
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return unless recognized_params[:action] == 'show'
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if recognized_params[:controller] == 'stream_entries'
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status = StreamEntry.find_by(id: recognized_params[:id])&.status
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check_local_status(status)
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elsif recognized_params[:controller] == 'statuses'
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status = Status.find_by(id: recognized_params[:id])
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check_local_status(status)
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elsif recognized_params[:controller] == 'accounts'
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Account.find_local(recognized_params[:username])
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end
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end
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def check_local_status(status)
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return if status.nil?
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authorize_with @on_behalf_of, status, :show?
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status
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rescue Mastodon::NotPermittedError
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# Do not disclose the existence of status the user is not authorized to see
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nil
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end
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end
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