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class ProcessInteractionService
def call(envelope, target_account)
body = salmon.unpack(envelope)
xml = Nokogiri::XML(body)
return if !involves_target_account(xml, target_account) || xml.at_xpath('//xmlns:author/xmlns:name').nil? || xml.at_xpath('//xmlns:author/xmlns:uri').nil?
username = xml.at_xpath('//xmlns:author/xmlns:name').content
url = xml.at_xpath('//xmlns:author/xmlns:uri').content
domain = Addressable::URI.parse(url).host
account = Account.find_by(username: username, domain: domain)
if account.nil?
account = follow_remote_account_service.("acct:#{username}@#{domain}")
end
if salmon.verify(envelope, account.keypair)
verb = xml.at_path('//activity:verb').content
case verb
when 'http://activitystrea.ms/schema/1.0/follow', 'follow'
account.follow!(target_account)
when 'http://activitystrea.ms/schema/1.0/unfollow', 'unfollow'
account.unfollow!(target_account)
end
end
end
private
def involves_target_account(target_account)
# todo
end
def salmon
OStatus2::Salmon.new
end
def follow_remote_account_service
FollowRemoteAccountService.new
end
end
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