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# frozen_string_literal: true
require 'singleton'
class TagManager
include Singleton
include RoutingHelper
VERBS = {
post: 'http://activitystrea.ms/schema/1.0/post',
share: 'http://activitystrea.ms/schema/1.0/share',
favorite: 'http://activitystrea.ms/schema/1.0/favorite',
unfavorite: 'http://activitystrea.ms/schema/1.0/unfavorite',
delete: 'http://activitystrea.ms/schema/1.0/delete',
follow: 'http://activitystrea.ms/schema/1.0/follow',
request_friend: 'http://activitystrea.ms/schema/1.0/request-friend',
authorize: 'http://activitystrea.ms/schema/1.0/authorize',
reject: 'http://activitystrea.ms/schema/1.0/reject',
unfollow: 'http://ostatus.org/schema/1.0/unfollow',
block: 'http://mastodon.social/schema/1.0/block',
unblock: 'http://mastodon.social/schema/1.0/unblock',
}.freeze
TYPES = {
activity: 'http://activitystrea.ms/schema/1.0/activity',
note: 'http://activitystrea.ms/schema/1.0/note',
comment: 'http://activitystrea.ms/schema/1.0/comment',
person: 'http://activitystrea.ms/schema/1.0/person',
collection: 'http://activitystrea.ms/schema/1.0/collection',
group: 'http://activitystrea.ms/schema/1.0/group',
}.freeze
COLLECTIONS = {
public: 'http://activityschema.org/collection/public',
}.freeze
XMLNS = 'http://www.w3.org/2005/Atom'
MEDIA_XMLNS = 'http://purl.org/syndication/atommedia'
AS_XMLNS = 'http://activitystrea.ms/spec/1.0/'
THR_XMLNS = 'http://purl.org/syndication/thread/1.0'
POCO_XMLNS = 'http://portablecontacts.net/spec/1.0'
DFRN_XMLNS = 'http://purl.org/macgirvin/dfrn/1.0'
OS_XMLNS = 'http://ostatus.org/schema/1.0'
MTDN_XMLNS = 'http://mastodon.social/schema/1.0'
def unique_tag(date, id, type)
"tag:#{Rails.configuration.x.local_domain},#{date.strftime('%Y-%m-%d')}:objectId=#{id}:objectType=#{type}"
end
def unique_tag_to_local_id(tag, expected_type)
return nil unless local_id?(tag)
if ActivityPub::TagManager.instance.local_uri?(tag)
ActivityPub::TagManager.instance.uri_to_local_id(tag)
else
matches = Regexp.new("objectId=([\\d]+):objectType=#{expected_type}").match(tag)
return matches[1] unless matches.nil?
end
end
def local_id?(id)
id.start_with?("tag:#{Rails.configuration.x.local_domain}") || ActivityPub::TagManager.instance.local_uri?(id)
end
def web_domain?(domain)
domain.nil? || domain.gsub(/[\/]/, '').casecmp(Rails.configuration.x.web_domain).zero?
end
def local_domain?(domain)
domain.nil? || domain.gsub(/[\/]/, '').casecmp(Rails.configuration.x.local_domain).zero?
end
def normalize_domain(domain)
return if domain.nil?
uri = Addressable::URI.new
uri.host = domain.gsub(/[\/]/, '')
uri.normalized_host
end
def same_acct?(canonical, needle)
return true if canonical.casecmp(needle).zero?
username, domain = needle.split('@')
local_domain?(domain) && canonical.casecmp(username).zero?
end
def local_url?(url)
uri = Addressable::URI.parse(url).normalize
domain = uri.host + (uri.port ? ":#{uri.port}" : '')
TagManager.instance.web_domain?(domain)
end
def uri_for(target)
return target.uri if target.respond_to?(:local?) && !target.local?
case target.object_type
when :person
account_url(target)
when :note, :comment, :activity
target.uri || unique_tag(target.created_at, target.id, 'Status')
end
end
def url_for(target)
return target.url if target.respond_to?(:local?) && !target.local?
case target.object_type
when :person
short_account_url(target)
when :note, :comment, :activity
short_account_status_url(target.account, target)
end
end
end
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