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# frozen_string_literal: true
class AtomSerializer
include RoutingHelper
class << self
def render(element)
document = Ox::Document.new(version: '1.0')
document << element
('<?xml version="1.0"?>' + Ox.dump(element)).force_encoding('UTF-8')
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end
end
def author(account)
author = Ox::Element.new('author')
uri = TagManager.instance.uri_for(account)
append_element(author, 'id', uri)
append_element(author, 'activity:object-type', TagManager::TYPES[:person])
append_element(author, 'uri', uri)
append_element(author, 'name', account.username)
append_element(author, 'email', account.local? ? "#{account.acct}@#{Rails.configuration.x.local_domain}" : account.acct)
append_element(author, 'summary', account.note)
append_element(author, 'link', nil, rel: :alternate, type: 'text/html', href: TagManager.instance.url_for(account))
append_element(author, 'link', nil, rel: :avatar, type: account.avatar_content_type, 'media:width': 120, 'media:height': 120, href: full_asset_url(account.avatar.url(:original)))
append_element(author, 'link', nil, rel: :header, type: account.header_content_type, 'media:width': 700, 'media:height': 335, href: full_asset_url(account.header.url(:original)))
append_element(author, 'poco:preferredUsername', account.username)
append_element(author, 'poco:displayName', account.display_name) unless account.display_name.blank?
append_element(author, 'poco:note', Formatter.instance.simplified_format(account).to_str) unless account.note.blank?
append_element(author, 'mastodon:scope', account.locked? ? :private : :public)
author
end
def feed(account, stream_entries)
feed = Ox::Element.new('feed')
add_namespaces(feed)
append_element(feed, 'id', account_url(account, format: 'atom'))
append_element(feed, 'title', account.display_name)
append_element(feed, 'subtitle', account.note)
append_element(feed, 'updated', account.updated_at.iso8601)
append_element(feed, 'logo', full_asset_url(account.avatar.url(:original)))
feed << author(account)
append_element(feed, 'link', nil, rel: :alternate, type: 'text/html', href: TagManager.instance.url_for(account))
append_element(feed, 'link', nil, rel: :self, type: 'application/atom+xml', href: account_url(account, format: 'atom'))
append_element(feed, 'link', nil, rel: :next, type: 'application/atom+xml', href: account_url(account, format: 'atom', max_id: stream_entries.last.id)) if stream_entries.size == 20
append_element(feed, 'link', nil, rel: :hub, href: api_push_url)
append_element(feed, 'link', nil, rel: :salmon, href: api_salmon_url(account.id))
stream_entries.each do |stream_entry|
feed << entry(stream_entry)
end
feed
end
def entry(stream_entry, root = false)
entry = Ox::Element.new('entry')
add_namespaces(entry) if root
append_element(entry, 'id', TagManager.instance.unique_tag(stream_entry.created_at, stream_entry.activity_id, stream_entry.activity_type))
append_element(entry, 'published', stream_entry.created_at.iso8601)
append_element(entry, 'updated', stream_entry.updated_at.iso8601)
append_element(entry, 'title', stream_entry&.status&.title)
entry << author(stream_entry.account) if root
append_element(entry, 'activity:object-type', TagManager::TYPES[stream_entry.object_type])
append_element(entry, 'activity:verb', TagManager::VERBS[stream_entry.verb])
entry << object(stream_entry.target) if stream_entry.targeted?
serialize_status_attributes(entry, stream_entry.status) unless stream_entry.status.nil?
append_element(entry, 'link', nil, rel: :alternate, type: 'text/html', href: account_stream_entry_url(stream_entry.account, stream_entry))
append_element(entry, 'link', nil, rel: :self, type: 'application/atom+xml', href: account_stream_entry_url(stream_entry.account, stream_entry, format: 'atom'))
append_element(entry, 'thr:in-reply-to', nil, ref: TagManager.instance.uri_for(stream_entry.thread), href: TagManager.instance.url_for(stream_entry.thread)) if stream_entry.threaded?
entry
end
def object(status)
object = Ox::Element.new('activity:object')
append_element(object, 'id', TagManager.instance.uri_for(status))
append_element(object, 'published', status.created_at.iso8601)
append_element(object, 'updated', status.updated_at.iso8601)
append_element(object, 'title', status.title)
object << author(status.account)
append_element(object, 'activity:object-type', TagManager::TYPES[status.object_type])
append_element(object, 'activity:verb', TagManager::VERBS[status.verb])
serialize_status_attributes(object, status)
append_element(object, 'link', nil, rel: :alternate, type: 'text/html', href: TagManager.instance.url_for(status))
append_element(object, 'thr:in-reply-to', nil, ref: TagManager.instance.uri_for(status.thread), href: TagManager.instance.url_for(status.thread)) if status.reply? && !status.thread.nil?
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object
end
def follow_salmon(follow)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{follow.account.acct} started following #{follow.target_account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(follow.created_at, follow.id, 'Follow'))
append_element(entry, 'title', description)
append_element(entry, 'content', description, type: :html)
entry << author(follow.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:follow])
object = author(follow.target_account)
object.value = 'activity:object'
entry << object
entry
end
def follow_request_salmon(follow_request)
entry = Ox::Element.new('entry')
add_namespaces(entry)
append_element(entry, 'id', TagManager.instance.unique_tag(follow_request.created_at, follow_request.id, 'FollowRequest'))
append_element(entry, 'title', "#{follow_request.account.acct} requested to follow #{follow_request.target_account.acct}")
entry << author(follow_request.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:request_friend])
object = author(follow_request.target_account)
object.value = 'activity:object'
entry << object
entry
end
def authorize_follow_request_salmon(follow_request)
entry = Ox::Element.new('entry')
add_namespaces(entry)
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, follow_request.id, 'FollowRequest'))
append_element(entry, 'title', "#{follow_request.target_account.acct} authorizes follow request by #{follow_request.account.acct}")
entry << author(follow_request.target_account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:authorize])
object = Ox::Element.new('activity:object')
object << author(follow_request.account)
append_element(object, 'activity:object-type', TagManager::TYPES[:activity])
append_element(object, 'activity:verb', TagManager::VERBS[:request_friend])
inner_object = author(follow_request.target_account)
inner_object.value = 'activity:object'
object << inner_object
entry << object
entry
end
def reject_follow_request_salmon(follow_request)
entry = Ox::Element.new('entry')
add_namespaces(entry)
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, follow_request.id, 'FollowRequest'))
append_element(entry, 'title', "#{follow_request.target_account.acct} rejects follow request by #{follow_request.account.acct}")
entry << author(follow_request.target_account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:reject])
object = Ox::Element.new('activity:object')
object << author(follow_request.account)
append_element(object, 'activity:object-type', TagManager::TYPES[:activity])
append_element(object, 'activity:verb', TagManager::VERBS[:request_friend])
inner_object = author(follow_request.target_account)
inner_object.value = 'activity:object'
object << inner_object
entry << object
entry
end
def unfollow_salmon(follow)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{follow.account.acct} is no longer following #{follow.target_account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, follow.id, 'Follow'))
append_element(entry, 'title', description)
append_element(entry, 'content', description, type: :html)
entry << author(follow.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:unfollow])
object = author(follow.target_account)
object.value = 'activity:object'
entry << object
entry
end
def block_salmon(block)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{block.account.acct} no longer wishes to interact with #{block.target_account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, block.id, 'Block'))
append_element(entry, 'title', description)
entry << author(block.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:block])
object = author(block.target_account)
object.value = 'activity:object'
entry << object
entry
end
def unblock_salmon(block)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{block.account.acct} no longer blocks #{block.target_account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, block.id, 'Block'))
append_element(entry, 'title', description)
entry << author(block.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:unblock])
object = author(block.target_account)
object.value = 'activity:object'
entry << object
entry
end
def favourite_salmon(favourite)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{favourite.account.acct} favourited a status by #{favourite.status.account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(favourite.created_at, favourite.id, 'Favourite'))
append_element(entry, 'title', description)
append_element(entry, 'content', description, type: :html)
entry << author(favourite.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:favorite])
entry << object(favourite.status)
append_element(entry, 'thr:in-reply-to', nil, ref: TagManager.instance.uri_for(favourite.status), href: TagManager.instance.url_for(favourite.status))
entry
end
def unfavourite_salmon(favourite)
entry = Ox::Element.new('entry')
add_namespaces(entry)
description = "#{favourite.account.acct} no longer favourites a status by #{favourite.status.account.acct}"
append_element(entry, 'id', TagManager.instance.unique_tag(Time.now.utc, favourite.id, 'Favourite'))
append_element(entry, 'title', description)
append_element(entry, 'content', description, type: :html)
entry << author(favourite.account)
append_element(entry, 'activity:object-type', TagManager::TYPES[:activity])
append_element(entry, 'activity:verb', TagManager::VERBS[:unfavorite])
entry << object(favourite.status)
append_element(entry, 'thr:in-reply-to', nil, ref: TagManager.instance.uri_for(favourite.status), href: TagManager.instance.url_for(favourite.status))
entry
end
private
def append_element(parent, name, content = nil, attributes = {})
element = Ox::Element.new(name)
attributes.each { |k, v| element[k] = v.to_s }
element << content.to_s unless content.nil?
parent << element
end
def add_namespaces(parent)
parent['xmlns'] = TagManager::XMLNS
parent['xmlns:thr'] = TagManager::THR_XMLNS
parent['xmlns:activity'] = TagManager::AS_XMLNS
parent['xmlns:poco'] = TagManager::POCO_XMLNS
parent['xmlns:media'] = TagManager::MEDIA_XMLNS
parent['xmlns:ostatus'] = TagManager::OS_XMLNS
parent['xmlns:mastodon'] = TagManager::MTDN_XMLNS
end
def serialize_status_attributes(entry, status)
append_element(entry, 'summary', status.spoiler_text) unless status.spoiler_text.blank?
append_element(entry, 'content', Formatter.instance.format(status.proper).to_str, type: 'html')
status.mentions.each do |mentioned|
append_element(entry, 'link', nil, rel: :mentioned, 'ostatus:object-type': TagManager::TYPES[:person], href: TagManager.instance.uri_for(mentioned.account))
end
append_element(entry, 'link', nil, rel: :mentioned, 'ostatus:object-type': TagManager::TYPES[:collection], href: TagManager::COLLECTIONS[:public]) if status.public_visibility?
status.tags.each do |tag|
append_element(entry, 'category', nil, term: tag.name)
end
append_element(entry, 'category', nil, term: 'nsfw') if status.sensitive?
status.media_attachments.each do |media|
append_element(entry, 'link', nil, rel: :enclosure, type: media.file_content_type, length: media.file_file_size, href: full_asset_url(media.file.url(:original, false)))
end
append_element(entry, 'mastodon:scope', status.visibility)
end
end