From 23aeef52cc4540b4514e9f3b935b21f0530a3746 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Sat, 6 Jul 2019 23:26:16 +0200 Subject: Remove Salmon and PubSubHubbub (#11205) * Remove Salmon and PubSubHubbub endpoints * Add error when trying to follow OStatus accounts * Fix new accounts not being created in ResolveAccountService --- app/lib/ostatus/activity/base.rb | 71 ------------ app/lib/ostatus/activity/creation.rb | 219 ----------------------------------- app/lib/ostatus/activity/deletion.rb | 16 --- app/lib/ostatus/activity/general.rb | 20 ---- app/lib/ostatus/activity/post.rb | 23 ---- app/lib/ostatus/activity/remote.rb | 11 -- app/lib/ostatus/activity/share.rb | 26 ----- 7 files changed, 386 deletions(-) delete mode 100644 app/lib/ostatus/activity/base.rb delete mode 100644 app/lib/ostatus/activity/creation.rb delete mode 100644 app/lib/ostatus/activity/deletion.rb delete mode 100644 app/lib/ostatus/activity/general.rb delete mode 100644 app/lib/ostatus/activity/post.rb delete mode 100644 app/lib/ostatus/activity/remote.rb delete mode 100644 app/lib/ostatus/activity/share.rb (limited to 'app/lib/ostatus/activity') diff --git a/app/lib/ostatus/activity/base.rb b/app/lib/ostatus/activity/base.rb deleted file mode 100644 index db70f1998..000000000 --- a/app/lib/ostatus/activity/base.rb +++ /dev/null @@ -1,71 +0,0 @@ -# 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 diff --git a/app/lib/ostatus/activity/creation.rb b/app/lib/ostatus/activity/creation.rb deleted file mode 100644 index 60de712db..000000000 --- a/app/lib/ostatus/activity/creation.rb +++ /dev/null @@ -1,219 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::Creation < OStatus::Activity::Base - def perform - if redis.exists("delete_upon_arrival:#{@account.id}:#{id}") - Rails.logger.debug "Delete for status #{id} was queued, ignoring" - return [nil, false] - end - - return [nil, false] if @account.suspended? || invalid_origin? - - RedisLock.acquire(lock_options) do |lock| - if lock.acquired? - # Return early if status already exists in db - @status = find_status(id) - return [@status, false] unless @status.nil? - @status = process_status - else - raise Mastodon::RaceConditionError - end - end - - [@status, true] - end - - def process_status - Rails.logger.debug "Creating remote status #{id}" - cached_reblog = reblog - status = nil - - # Skip if the reblogged status is not public - return if cached_reblog && !(cached_reblog.public_visibility? || cached_reblog.unlisted_visibility?) - - media_attachments = save_media.take(4) - - ApplicationRecord.transaction do - status = Status.create!( - uri: id, - url: url, - account: @account, - reblog: cached_reblog, - text: content, - spoiler_text: content_warning, - created_at: published, - override_timestamps: @options[:override_timestamps], - reply: thread?, - language: content_language, - visibility: visibility_scope, - conversation: find_or_create_conversation, - thread: thread? ? find_status(thread.first) || find_activitypub_status(thread.first, thread.second) : nil, - media_attachment_ids: media_attachments.map(&:id), - sensitive: sensitive? - ) - - save_mentions(status) - save_hashtags(status) - save_emojis(status) - end - - if thread? && status.thread.nil? && Request.valid_url?(thread.second) - Rails.logger.debug "Trying to attach #{status.id} (#{id}) to #{thread.first}" - ThreadResolveWorker.perform_async(status.id, thread.second) - end - - Rails.logger.debug "Queuing remote status #{status.id} (#{id}) for distribution" - - LinkCrawlWorker.perform_async(status.id) unless status.spoiler_text? - - # Only continue if the status is supposed to have arrived in real-time. - # Note that if @options[:override_timestamps] isn't set, the status - # may have a lower snowflake id than other existing statuses, potentially - # "hiding" it from paginated API calls - return status unless @options[:override_timestamps] || status.within_realtime_window? - - DistributionWorker.perform_async(status.id) - - status - end - - def content - @xml.at_xpath('./xmlns:content', xmlns: OStatus::TagManager::XMLNS).content - end - - def content_language - @xml.at_xpath('./xmlns:content', xmlns: OStatus::TagManager::XMLNS)['xml:lang']&.presence || 'en' - end - - def content_warning - @xml.at_xpath('./xmlns:summary', xmlns: OStatus::TagManager::XMLNS)&.content || '' - end - - def visibility_scope - @xml.at_xpath('./mastodon:scope', mastodon: OStatus::TagManager::MTDN_XMLNS)&.content&.to_sym || :public - end - - def published - @xml.at_xpath('./xmlns:published', xmlns: OStatus::TagManager::XMLNS).content - end - - def thread? - !@xml.at_xpath('./thr:in-reply-to', thr: OStatus::TagManager::THR_XMLNS).nil? - end - - def thread - thr = @xml.at_xpath('./thr:in-reply-to', thr: OStatus::TagManager::THR_XMLNS) - [thr['ref'], thr['href']] - end - - private - - def sensitive? - # OStatus-specific convention (not standard) - @xml.xpath('./xmlns:category', xmlns: OStatus::TagManager::XMLNS).any? { |category| category['term'] == 'nsfw' } - end - - def find_or_create_conversation - uri = @xml.at_xpath('./ostatus:conversation', ostatus: OStatus::TagManager::OS_XMLNS)&.attribute('ref')&.content - return if uri.nil? - - if OStatus::TagManager.instance.local_id?(uri) - local_id = OStatus::TagManager.instance.unique_tag_to_local_id(uri, 'Conversation') - return Conversation.find_by(id: local_id) - end - - Conversation.find_by(uri: uri) || Conversation.create!(uri: uri) - end - - def save_mentions(parent) - processed_account_ids = [] - - @xml.xpath('./xmlns:link[@rel="mentioned"]', xmlns: OStatus::TagManager::XMLNS).each do |link| - next if [OStatus::TagManager::TYPES[:group], OStatus::TagManager::TYPES[:collection]].include? link['ostatus:object-type'] - - mentioned_account = account_from_href(link['href']) - - next if mentioned_account.nil? || processed_account_ids.include?(mentioned_account.id) - - mentioned_account.mentions.where(status: parent).first_or_create(status: parent) - - # So we can skip duplicate mentions - processed_account_ids << mentioned_account.id - end - end - - def save_hashtags(parent) - tags = @xml.xpath('./xmlns:category', xmlns: OStatus::TagManager::XMLNS).map { |category| category['term'] }.select(&:present?) - ProcessHashtagsService.new.call(parent, tags) - end - - def save_media - do_not_download = DomainBlock.reject_media?(@account.domain) - media_attachments = [] - - @xml.xpath('./xmlns:link[@rel="enclosure"]', xmlns: OStatus::TagManager::XMLNS).each do |link| - next unless link['href'] - - media = MediaAttachment.where(status: nil, remote_url: link['href']).first_or_initialize(account: @account, status: nil, remote_url: link['href']) - parsed_url = Addressable::URI.parse(link['href']).normalize - - next if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? - - media.save - media_attachments << media - - next if do_not_download - - begin - media.file_remote_url = link['href'] - media.save! - rescue ActiveRecord::RecordInvalid - next - end - end - - media_attachments - end - - def save_emojis(parent) - do_not_download = DomainBlock.reject_media?(parent.account.domain) - - return if do_not_download - - @xml.xpath('./xmlns:link[@rel="emoji"]', xmlns: OStatus::TagManager::XMLNS).each do |link| - next unless link['href'] && link['name'] - - shortcode = link['name'].delete(':') - emoji = CustomEmoji.find_by(shortcode: shortcode, domain: parent.account.domain) - - next unless emoji.nil? - - emoji = CustomEmoji.new(shortcode: shortcode, domain: parent.account.domain) - emoji.image_remote_url = link['href'] - emoji.save - end - end - - def account_from_href(href) - url = Addressable::URI.parse(href).normalize - - if TagManager.instance.web_domain?(url.host) - Account.find_local(url.path.gsub('/users/', '')) - else - Account.where(uri: href).or(Account.where(url: href)).first || FetchRemoteAccountService.new.call(href) - end - end - - def invalid_origin? - return false unless id.start_with?('http') # Legacy IDs cannot be checked - - needle = Addressable::URI.parse(id).normalized_host - - !(needle.casecmp(@account.domain).zero? || - needle.casecmp(Addressable::URI.parse(@account.remote_url.presence || @account.uri).normalized_host).zero?) - end - - def lock_options - { redis: Redis.current, key: "create:#{id}" } - end -end diff --git a/app/lib/ostatus/activity/deletion.rb b/app/lib/ostatus/activity/deletion.rb deleted file mode 100644 index c98f5ee0a..000000000 --- a/app/lib/ostatus/activity/deletion.rb +++ /dev/null @@ -1,16 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::Deletion < OStatus::Activity::Base - def perform - Rails.logger.debug "Deleting remote status #{id}" - - status = Status.find_by(uri: id, account: @account) - status ||= Status.find_by(uri: activitypub_uri, account: @account) if activitypub_uri? - - if status.nil? - redis.setex("delete_upon_arrival:#{@account.id}:#{id}", 6 * 3_600, id) - else - RemoveStatusService.new.call(status) - end - end -end diff --git a/app/lib/ostatus/activity/general.rb b/app/lib/ostatus/activity/general.rb deleted file mode 100644 index 8a6aabc33..000000000 --- a/app/lib/ostatus/activity/general.rb +++ /dev/null @@ -1,20 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::General < OStatus::Activity::Base - def specialize - special_class&.new(@xml, @account, @options) - end - - private - - def special_class - case verb - when :post - OStatus::Activity::Post - when :share - OStatus::Activity::Share - when :delete - OStatus::Activity::Deletion - end - end -end diff --git a/app/lib/ostatus/activity/post.rb b/app/lib/ostatus/activity/post.rb deleted file mode 100644 index 755ed8656..000000000 --- a/app/lib/ostatus/activity/post.rb +++ /dev/null @@ -1,23 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::Post < OStatus::Activity::Creation - def perform - status, just_created = super - - if just_created - status.mentions.includes(:account).each do |mention| - mentioned_account = mention.account - next unless mentioned_account.local? - NotifyService.new.call(mentioned_account, mention) - end - end - - status - end - - private - - def reblog - nil - end -end diff --git a/app/lib/ostatus/activity/remote.rb b/app/lib/ostatus/activity/remote.rb deleted file mode 100644 index 5b204b6d8..000000000 --- a/app/lib/ostatus/activity/remote.rb +++ /dev/null @@ -1,11 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::Remote < OStatus::Activity::Base - def perform - if activitypub_uri? - find_status(activitypub_uri) || FetchRemoteStatusService.new.call(url) - else - find_status(id) || FetchRemoteStatusService.new.call(url) - end - end -end diff --git a/app/lib/ostatus/activity/share.rb b/app/lib/ostatus/activity/share.rb deleted file mode 100644 index 5ca601415..000000000 --- a/app/lib/ostatus/activity/share.rb +++ /dev/null @@ -1,26 +0,0 @@ -# frozen_string_literal: true - -class OStatus::Activity::Share < OStatus::Activity::Creation - def perform - return if reblog.nil? - - status, just_created = super - NotifyService.new.call(reblog.account, status) if reblog.account.local? && just_created - status - end - - def object - @xml.at_xpath('.//activity:object', activity: OStatus::TagManager::AS_XMLNS) - end - - private - - def reblog - return @reblog if defined? @reblog - - original_status = OStatus::Activity::Remote.new(object).perform - return if original_status.nil? - - @reblog = original_status.reblog? ? original_status.reblog : original_status - end -end -- cgit