378 lines
16 KiB
Ruby
378 lines
16 KiB
Ruby
# frozen_string_literal: true
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class OStatus::AtomSerializer
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include RoutingHelper
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include ActionView::Helpers::SanitizeHelper
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class << self
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def render(element)
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document = Ox::Document.new(version: '1.0')
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document << element
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('<?xml version="1.0"?>' + Ox.dump(element, effort: :tolerant)).force_encoding('UTF-8')
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end
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end
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def author(account)
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author = Ox::Element.new('author')
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uri = OStatus::TagManager.instance.uri_for(account)
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append_element(author, 'id', uri)
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append_element(author, 'activity:object-type', OStatus::TagManager::TYPES[:person])
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append_element(author, 'uri', uri)
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append_element(author, 'name', account.username)
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append_element(author, 'email', account.local? ? account.local_username_and_domain : account.acct)
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append_element(author, 'summary', Formatter.instance.simplified_format(account).to_str, type: :html) if account.note?
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append_element(author, 'link', nil, rel: :alternate, type: 'text/html', href: ::TagManager.instance.url_for(account))
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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))) if account.avatar?
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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))) if account.header?
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account.emojis.each do |emoji|
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append_element(author, 'link', nil, rel: :emoji, href: full_asset_url(emoji.image.url), name: emoji.shortcode)
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end
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append_element(author, 'poco:preferredUsername', account.username)
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append_element(author, 'poco:displayName', account.display_name) if account.display_name?
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append_element(author, 'poco:note', account.local? ? account.note : strip_tags(account.note)) if account.note?
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append_element(author, 'mastodon:scope', account.locked? ? :private : :public)
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author
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end
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def feed(account, stream_entries)
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feed = Ox::Element.new('feed')
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add_namespaces(feed)
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append_element(feed, 'id', account_url(account, format: 'atom'))
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append_element(feed, 'title', account.display_name.presence || account.username)
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append_element(feed, 'subtitle', account.note)
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append_element(feed, 'updated', account.updated_at.iso8601)
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append_element(feed, 'logo', full_asset_url(account.avatar.url(:original)))
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feed << author(account)
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append_element(feed, 'link', nil, rel: :alternate, type: 'text/html', href: ::TagManager.instance.url_for(account))
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append_element(feed, 'link', nil, rel: :self, type: 'application/atom+xml', href: account_url(account, format: 'atom'))
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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
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append_element(feed, 'link', nil, rel: :hub, href: api_push_url)
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append_element(feed, 'link', nil, rel: :salmon, href: api_salmon_url(account.id))
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stream_entries.each do |stream_entry|
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feed << entry(stream_entry)
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end
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feed
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end
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def entry(stream_entry, root = false)
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entry = Ox::Element.new('entry')
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add_namespaces(entry) if root
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append_element(entry, 'id', OStatus::TagManager.instance.uri_for(stream_entry.status))
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append_element(entry, 'published', stream_entry.created_at.iso8601)
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append_element(entry, 'updated', stream_entry.updated_at.iso8601)
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append_element(entry, 'title', stream_entry&.status&.title || "#{stream_entry.account.acct} deleted status")
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entry << author(stream_entry.account) if root
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[stream_entry.object_type])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[stream_entry.verb])
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entry << object(stream_entry.target) if stream_entry.targeted?
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if stream_entry.status.nil?
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append_element(entry, 'content', 'Deleted status')
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elsif stream_entry.status.destroyed?
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append_element(entry, 'content', 'Deleted status')
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append_element(entry, 'link', nil, rel: :alternate, type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(stream_entry.status)) if stream_entry.account.local?
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else
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serialize_status_attributes(entry, stream_entry.status)
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end
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append_element(entry, 'link', nil, rel: :alternate, type: 'text/html', href: ::TagManager.instance.url_for(stream_entry.status))
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append_element(entry, 'link', nil, rel: :self, type: 'application/atom+xml', href: account_stream_entry_url(stream_entry.account, stream_entry, format: 'atom'))
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append_element(entry, 'thr:in-reply-to', nil, ref: OStatus::TagManager.instance.uri_for(stream_entry.thread), href: ::TagManager.instance.url_for(stream_entry.thread)) if stream_entry.threaded?
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append_element(entry, 'ostatus:conversation', nil, ref: conversation_uri(stream_entry.status.conversation)) unless stream_entry&.status&.conversation_id.nil?
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entry
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end
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def object(status)
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object = Ox::Element.new('activity:object')
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append_element(object, 'id', OStatus::TagManager.instance.uri_for(status))
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append_element(object, 'published', status.created_at.iso8601)
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append_element(object, 'updated', status.updated_at.iso8601)
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append_element(object, 'title', status.title)
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object << author(status.account)
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append_element(object, 'activity:object-type', OStatus::TagManager::TYPES[status.object_type])
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append_element(object, 'activity:verb', OStatus::TagManager::VERBS[status.verb])
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serialize_status_attributes(object, status)
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append_element(object, 'link', nil, rel: :alternate, type: 'text/html', href: ::TagManager.instance.url_for(status))
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append_element(object, 'thr:in-reply-to', nil, ref: OStatus::TagManager.instance.uri_for(status.thread), href: ::TagManager.instance.url_for(status.thread)) unless status.thread.nil?
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append_element(object, 'ostatus:conversation', nil, ref: conversation_uri(status.conversation)) unless status.conversation_id.nil?
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object
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end
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def follow_salmon(follow)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{follow.account.acct} started following #{follow.target_account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(follow.created_at, follow.id, 'Follow'))
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append_element(entry, 'title', description)
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append_element(entry, 'content', description, type: :html)
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entry << author(follow.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:follow])
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object = author(follow.target_account)
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object.value = 'activity:object'
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entry << object
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entry
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end
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def follow_request_salmon(follow_request)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(follow_request.created_at, follow_request.id, 'FollowRequest'))
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append_element(entry, 'title', "#{follow_request.account.acct} requested to follow #{follow_request.target_account.acct}")
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entry << author(follow_request.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:request_friend])
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object = author(follow_request.target_account)
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object.value = 'activity:object'
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entry << object
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entry
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end
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def authorize_follow_request_salmon(follow_request)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, follow_request.id, 'FollowRequest'))
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append_element(entry, 'title', "#{follow_request.target_account.acct} authorizes follow request by #{follow_request.account.acct}")
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entry << author(follow_request.target_account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:authorize])
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object = Ox::Element.new('activity:object')
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object << author(follow_request.account)
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append_element(object, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(object, 'activity:verb', OStatus::TagManager::VERBS[:request_friend])
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inner_object = author(follow_request.target_account)
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inner_object.value = 'activity:object'
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object << inner_object
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entry << object
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entry
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end
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def reject_follow_request_salmon(follow_request)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, follow_request.id, 'FollowRequest'))
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append_element(entry, 'title', "#{follow_request.target_account.acct} rejects follow request by #{follow_request.account.acct}")
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entry << author(follow_request.target_account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:reject])
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object = Ox::Element.new('activity:object')
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object << author(follow_request.account)
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append_element(object, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(object, 'activity:verb', OStatus::TagManager::VERBS[:request_friend])
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inner_object = author(follow_request.target_account)
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inner_object.value = 'activity:object'
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object << inner_object
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entry << object
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entry
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end
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def unfollow_salmon(follow)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{follow.account.acct} is no longer following #{follow.target_account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, follow.id, 'Follow'))
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append_element(entry, 'title', description)
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append_element(entry, 'content', description, type: :html)
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entry << author(follow.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:unfollow])
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object = author(follow.target_account)
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object.value = 'activity:object'
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entry << object
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entry
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end
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def block_salmon(block)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{block.account.acct} no longer wishes to interact with #{block.target_account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, block.id, 'Block'))
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append_element(entry, 'title', description)
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entry << author(block.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:block])
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object = author(block.target_account)
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object.value = 'activity:object'
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entry << object
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entry
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end
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def unblock_salmon(block)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{block.account.acct} no longer blocks #{block.target_account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, block.id, 'Block'))
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append_element(entry, 'title', description)
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entry << author(block.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:unblock])
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object = author(block.target_account)
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object.value = 'activity:object'
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entry << object
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entry
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end
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def favourite_salmon(favourite)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{favourite.account.acct} favourited a status by #{favourite.status.account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(favourite.created_at, favourite.id, 'Favourite'))
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append_element(entry, 'title', description)
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append_element(entry, 'content', description, type: :html)
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entry << author(favourite.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:favorite])
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entry << object(favourite.status)
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append_element(entry, 'thr:in-reply-to', nil, ref: OStatus::TagManager.instance.uri_for(favourite.status), href: ::TagManager.instance.url_for(favourite.status))
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entry
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end
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def unfavourite_salmon(favourite)
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entry = Ox::Element.new('entry')
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add_namespaces(entry)
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description = "#{favourite.account.acct} no longer favourites a status by #{favourite.status.account.acct}"
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append_element(entry, 'id', OStatus::TagManager.instance.unique_tag(Time.now.utc, favourite.id, 'Favourite'))
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append_element(entry, 'title', description)
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append_element(entry, 'content', description, type: :html)
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entry << author(favourite.account)
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append_element(entry, 'activity:object-type', OStatus::TagManager::TYPES[:activity])
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append_element(entry, 'activity:verb', OStatus::TagManager::VERBS[:unfavorite])
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entry << object(favourite.status)
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append_element(entry, 'thr:in-reply-to', nil, ref: OStatus::TagManager.instance.uri_for(favourite.status), href: ::TagManager.instance.url_for(favourite.status))
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entry
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end
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private
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def append_element(parent, name, content = nil, **attributes)
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element = Ox::Element.new(name)
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attributes.each { |k, v| element[k] = sanitize_str(v) }
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element << sanitize_str(content) unless content.nil?
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parent << element
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end
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def sanitize_str(raw_str)
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raw_str.to_s
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end
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def conversation_uri(conversation)
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return conversation.uri if conversation.uri?
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OStatus::TagManager.instance.unique_tag(conversation.created_at, conversation.id, 'Conversation')
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end
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def add_namespaces(parent)
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parent['xmlns'] = OStatus::TagManager::XMLNS
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parent['xmlns:thr'] = OStatus::TagManager::THR_XMLNS
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parent['xmlns:activity'] = OStatus::TagManager::AS_XMLNS
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parent['xmlns:poco'] = OStatus::TagManager::POCO_XMLNS
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parent['xmlns:media'] = OStatus::TagManager::MEDIA_XMLNS
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parent['xmlns:ostatus'] = OStatus::TagManager::OS_XMLNS
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parent['xmlns:mastodon'] = OStatus::TagManager::MTDN_XMLNS
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end
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def serialize_status_attributes(entry, status)
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append_element(entry, 'link', nil, rel: :alternate, type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(status)) if status.account.local?
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append_element(entry, 'summary', status.spoiler_text, 'xml:lang': status.language) if status.spoiler_text?
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append_element(entry, 'content', Formatter.instance.format(status).to_str || '.', type: 'html', 'xml:lang': status.language)
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status.mentions.sort_by(&:id).each do |mentioned|
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append_element(entry, 'link', nil, rel: :mentioned, 'ostatus:object-type': OStatus::TagManager::TYPES[:person], href: OStatus::TagManager.instance.uri_for(mentioned.account))
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end
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append_element(entry, 'link', nil, rel: :mentioned, 'ostatus:object-type': OStatus::TagManager::TYPES[:collection], href: OStatus::TagManager::COLLECTIONS[:public]) if status.public_visibility?
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status.tags.each do |tag|
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append_element(entry, 'category', nil, term: tag.name)
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end
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status.media_attachments.each do |media|
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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)))
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end
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append_element(entry, 'category', nil, term: 'nsfw') if status.sensitive? && status.media_attachments.any?
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append_element(entry, 'mastodon:scope', status.visibility)
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status.emojis.each do |emoji|
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append_element(entry, 'link', nil, rel: :emoji, href: full_asset_url(emoji.image.url), name: emoji.shortcode)
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end
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end
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end
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