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89 lines
2.5 KiB
89 lines
2.5 KiB
class ProcessInteractionService < BaseService |
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# Record locally the remote interaction with our user |
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# @param [String] envelope Salmon envelope |
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# @param [Account] target_account Account the Salmon was addressed to |
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def call(envelope, target_account) |
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body = salmon.unpack(envelope) |
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xml = Nokogiri::XML(body) |
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return unless contains_author?(xml) |
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username = xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:name').content |
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url = xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:uri').content |
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domain = Addressable::URI.parse(url).host |
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account = Account.find_by(username: username, domain: domain) |
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if account.nil? |
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account = follow_remote_account_service.("acct:#{username}@#{domain}", false) |
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return if account.nil? |
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end |
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if salmon.verify(envelope, account.keypair) |
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case verb(xml) |
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when :follow |
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follow!(account, target_account) |
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when :unfollow |
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unfollow!(account, target_account) |
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when :favorite |
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favourite!(xml, account) |
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when :post |
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add_post!(body, account) if mentions_account?(xml, target_account) |
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when :share |
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add_post!(body, account) unless status(xml).nil? |
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end |
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end |
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end |
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private |
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def contains_author?(xml) |
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!(xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:name').nil? || xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:uri').nil?) |
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end |
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def mentions_account?(xml, account) |
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xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]').each { |mention_link| return true if mention_link.attribute('ref') == profile_url(name: account.username) } |
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false |
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end |
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def verb(xml) |
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xml.at_xpath('//activity:verb').content.gsub('http://activitystrea.ms/schema/1.0/', '').to_sym |
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rescue |
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:post |
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end |
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def follow!(account, target_account) |
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account.follow!(target_account) |
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end |
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def unfollow!(account, target_account) |
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account.unfollow!(target_account) |
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end |
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def favourite!(xml, from_account) |
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status(xml).favourites.first_or_create!(account: from_account) |
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end |
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def add_post!(body, account) |
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process_feed_service.(body, account) |
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end |
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def status(xml) |
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Status.find(unique_tag_to_local_id(activity_id, 'Status')) |
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end |
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def activity_id(xml) |
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xml.at_xpath('/xmlns:entry/xmlns:id').content |
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end |
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def salmon |
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@salmon ||= OStatus2::Salmon.new |
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end |
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def follow_remote_account_service |
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@follow_remote_account_service ||= FollowRemoteAccountService.new |
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end |
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def process_feed_service |
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@process_feed_service ||= ProcessFeedService.new |
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end |
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end
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