forked from fedi/mastodon
78 lines
1.8 KiB
Ruby
78 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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class RemoteFollow
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include ActiveModel::Validations
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include RoutingHelper
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include WebfingerHelper
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attr_accessor :acct, :addressable_template
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validates :acct, presence: true, domain: { acct: true }
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def initialize(attrs = {})
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@acct = normalize_acct(attrs[:acct])
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end
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def valid?
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return false unless super
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fetch_template!
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errors.empty?
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end
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def subscribe_address_for(account)
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addressable_template.expand(uri: ActivityPub::TagManager.instance.uri_for(account)).to_s
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end
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def interact_address_for(status)
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addressable_template.expand(uri: ActivityPub::TagManager.instance.uri_for(status)).to_s
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end
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private
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def normalize_acct(value)
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return if value.blank?
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username, domain = value.strip.gsub(/\A@/, '').split('@')
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domain = if TagManager.instance.local_domain?(domain)
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nil
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else
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TagManager.instance.normalize_domain(domain)
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end
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[username, domain].compact.join('@')
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rescue Addressable::URI::InvalidURIError
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value
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end
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def fetch_template!
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return missing_resource_error if acct.blank?
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_, domain = acct.split('@')
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if domain.nil?
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@addressable_template = Addressable::Template.new("#{authorize_interaction_url}?uri={uri}")
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elsif redirect_uri_template.nil?
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missing_resource_error
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else
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@addressable_template = Addressable::Template.new(redirect_uri_template)
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end
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end
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def redirect_uri_template
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acct_resource&.link('http://ostatus.org/schema/1.0/subscribe', 'template')
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end
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def acct_resource
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@acct_resource ||= webfinger!("acct:#{acct}")
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rescue Webfinger::Error, HTTP::ConnectionError
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nil
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end
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def missing_resource_error
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errors.add(:acct, I18n.t('remote_follow.missing_resource'))
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end
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end
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