Gab Social. All are welcome.

app/lib/ostatus/activity/base.rb

@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+class OStatus::Activity::Base
+  include Redisable
+
+  def initialize(xml, account = nil, **options)
+    @xml     = xml
+    @account = account
+    @options = options
+  end
+
+  def status?
+    [:activity, :note, :comment].include?(type)
+  end
+
+  def verb
+    raw = @xml.at_xpath('./activity:verb', activity: OStatus::TagManager::AS_XMLNS).content
+    OStatus::TagManager::VERBS.key(raw)
+  rescue
+    :post
+  end
+
+  def type
+    raw = @xml.at_xpath('./activity:object-type', activity: OStatus::TagManager::AS_XMLNS).content
+    OStatus::TagManager::TYPES.key(raw)
+  rescue
+    :activity
+  end
+
+  def id
+    @xml.at_xpath('./xmlns:id', xmlns: OStatus::TagManager::XMLNS).content
+  end
+
+  def url
+    link = @xml.xpath('./xmlns:link[@rel="alternate"]', xmlns: OStatus::TagManager::XMLNS).find { |link_candidate| link_candidate['type'] == 'text/html' }
+    link.nil? ? nil : link['href']
+  end
+
+  def activitypub_uri
+    link = @xml.xpath('./xmlns:link[@rel="alternate"]', xmlns: OStatus::TagManager::XMLNS).find { |link_candidate| ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(link_candidate['type']) }
+    link.nil? ? nil : link['href']
+  end
+
+  def activitypub_uri?
+    activitypub_uri.present?
+  end
+
+  private
+
+  def find_status(uri)
+    if OStatus::TagManager.instance.local_id?(uri)
+      local_id = OStatus::TagManager.instance.unique_tag_to_local_id(uri, 'Status')
+      return Status.find_by(id: local_id)
+    elsif ActivityPub::TagManager.instance.local_uri?(uri)
+      local_id = ActivityPub::TagManager.instance.uri_to_local_id(uri)
+      return Status.find_by(id: local_id)
+    end
+
+    Status.find_by(uri: uri)
+  end
+
+  def find_activitypub_status(uri, href)
+    tag_matches = /tag:([^,:]+)[^:]*:objectId=([\d]+)/.match(uri)
+    href_matches = %r{/users/([^/]+)}.match(href)
+
+    unless tag_matches.nil? || href_matches.nil?
+      uri = "https://#{tag_matches[1]}/users/#{href_matches[1]}/statuses/#{tag_matches[2]}"
+      Status.find_by(uri: uri)
+    end
+  end
+end