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-rw-r--r--app/services/authorize_follow_service.rb12
-rw-r--r--app/services/batched_remove_status_service.rb34
-rw-r--r--app/services/block_domain_service.rb1
-rw-r--r--app/services/block_service.rb12
-rw-r--r--app/services/concerns/author_extractor.rb23
-rw-r--r--app/services/concerns/stream_entry_renderer.rb7
-rw-r--r--app/services/favourite_service.rb6
-rw-r--r--app/services/fetch_remote_account_service.rb28
-rw-r--r--app/services/fetch_remote_status_service.rb28
-rw-r--r--app/services/follow_service.rb24
-rw-r--r--app/services/post_status_service.rb1
-rw-r--r--app/services/process_feed_service.rb31
-rw-r--r--app/services/process_interaction_service.rb151
-rw-r--r--app/services/process_mentions_service.rb7
-rw-r--r--app/services/pubsubhubbub/subscribe_service.rb53
-rw-r--r--app/services/pubsubhubbub/unsubscribe_service.rb31
-rw-r--r--app/services/reblog_service.rb4
-rw-r--r--app/services/reject_follow_service.rb12
-rw-r--r--app/services/remove_status_service.rb13
-rw-r--r--app/services/resolve_account_service.rb131
-rw-r--r--app/services/send_interaction_service.rb39
-rw-r--r--app/services/subscribe_service.rb58
-rw-r--r--app/services/unblock_service.rb12
-rw-r--r--app/services/unfavourite_service.rb13
-rw-r--r--app/services/unfollow_service.rb16
-rw-r--r--app/services/unsubscribe_service.rb36
-rw-r--r--app/services/update_remote_profile_service.rb66
-rw-r--r--app/services/verify_salmon_service.rb26
28 files changed, 24 insertions, 851 deletions
diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index 29b8700c7..49bef727e 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -11,25 +11,17 @@ class AuthorizeFollowService < BaseService
       follow_request.authorize!
     end
 
-    create_notification(follow_request) unless source_account.local?
+    create_notification(follow_request) if !source_account.local? && source_account.activitypub?
     follow_request
   end
 
   private
 
   def create_notification(follow_request)
-    if follow_request.account.ostatus?
-      NotificationWorker.perform_async(build_xml(follow_request), follow_request.target_account_id, follow_request.account_id)
-    elsif follow_request.account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
   end
 
   def build_json(follow_request)
     Oj.dump(serialize_payload(follow_request, ActivityPub::AcceptFollowSerializer))
   end
-
-  def build_xml(follow_request)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request))
-  end
 end
diff --git a/app/services/batched_remove_status_service.rb b/app/services/batched_remove_status_service.rb
index e328b1739..cb66debc8 100644
--- a/app/services/batched_remove_status_service.rb
+++ b/app/services/batched_remove_status_service.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 class BatchedRemoveStatusService < BaseService
-  include StreamEntryRenderer
   include Redisable
 
   # Delete given statuses and reblogs of them
@@ -18,10 +17,7 @@ class BatchedRemoveStatusService < BaseService
     @mentions = statuses.each_with_object({}) { |s, h| h[s.id] = s.active_mentions.includes(:account).to_a }
     @tags     = statuses.each_with_object({}) { |s, h| h[s.id] = s.tags.pluck(:name) }
 
-    @stream_entry_batches  = []
-    @salmon_batches        = []
-    @json_payloads         = statuses.each_with_object({}) { |s, h| h[s.id] = Oj.dump(event: :delete, payload: s.id.to_s) }
-    @activity_xml          = {}
+    @json_payloads = statuses.each_with_object({}) { |s, h| h[s.id] = Oj.dump(event: :delete, payload: s.id.to_s) }
 
     # Ensure that rendered XML reflects destroyed state
     statuses.each do |status|
@@ -39,28 +35,16 @@ class BatchedRemoveStatusService < BaseService
 
       unpush_from_home_timelines(account, account_statuses)
       unpush_from_list_timelines(account, account_statuses)
-
-      batch_stream_entries(account, account_statuses) if account.local?
     end
 
     # Cannot be batched
     statuses.each do |status|
       unpush_from_public_timelines(status)
-      batch_salmon_slaps(status) if status.local?
     end
-
-    Pubsubhubbub::RawDistributionWorker.push_bulk(@stream_entry_batches) { |batch| batch }
-    NotificationWorker.push_bulk(@salmon_batches) { |batch| batch }
   end
 
   private
 
-  def batch_stream_entries(account, statuses)
-    statuses.each do |status|
-      @stream_entry_batches << [build_xml(status.stream_entry), account.id]
-    end
-  end
-
   def unpush_from_home_timelines(account, statuses)
     recipients = account.followers_for_local_distribution.to_a
 
@@ -101,20 +85,4 @@ class BatchedRemoveStatusService < BaseService
       end
     end
   end
-
-  def batch_salmon_slaps(status)
-    return if @mentions[status.id].empty?
-
-    recipients = @mentions[status.id].map(&:account).reject(&:local?).select(&:ostatus?).uniq(&:domain).map(&:id)
-
-    recipients.each do |recipient_id|
-      @salmon_batches << [build_xml(status.stream_entry), status.account_id, recipient_id]
-    end
-  end
-
-  def build_xml(stream_entry)
-    return @activity_xml[stream_entry.id] if @activity_xml.key?(stream_entry.id)
-
-    @activity_xml[stream_entry.id] = stream_entry_to_xml(stream_entry)
-  end
 end
diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index c6eef04d4..c5e5e5761 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -44,7 +44,6 @@ class BlockDomainService < BaseService
 
   def suspend_accounts!
     blocked_domain_accounts.without_suspended.reorder(nil).find_each do |account|
-      UnsubscribeService.new.call(account) if account.subscribed?
       SuspendAccountService.new.call(account, suspended_at: @domain_block.created_at)
     end
   end
diff --git a/app/services/block_service.rb b/app/services/block_service.rb
index 9050a4858..da06361c2 100644
--- a/app/services/block_service.rb
+++ b/app/services/block_service.rb
@@ -13,25 +13,17 @@ class BlockService < BaseService
     block = account.block!(target_account)
 
     BlockWorker.perform_async(account.id, target_account.id)
-    create_notification(block) unless target_account.local?
+    create_notification(block) if !target_account.local? && target_account.activitypub?
     block
   end
 
   private
 
   def create_notification(block)
-    if block.target_account.ostatus?
-      NotificationWorker.perform_async(build_xml(block), block.account_id, block.target_account_id)
-    elsif block.target_account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(block), block.account_id, block.target_account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(block), block.account_id, block.target_account.inbox_url)
   end
 
   def build_json(block)
     Oj.dump(serialize_payload(block, ActivityPub::BlockSerializer))
   end
-
-  def build_xml(block)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.block_salmon(block))
-  end
 end
diff --git a/app/services/concerns/author_extractor.rb b/app/services/concerns/author_extractor.rb
deleted file mode 100644
index c2419e9ec..000000000
--- a/app/services/concerns/author_extractor.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-# frozen_string_literal: true
-
-module AuthorExtractor
-  def author_from_xml(xml, update_profile = true)
-    return nil if xml.nil?
-
-    # Try <email> for acct
-    acct = xml.at_xpath('./xmlns:author/xmlns:email', xmlns: OStatus::TagManager::XMLNS)&.content
-
-    # Try <name> + <uri>
-    if acct.blank?
-      username = xml.at_xpath('./xmlns:author/xmlns:name', xmlns: OStatus::TagManager::XMLNS)&.content
-      uri      = xml.at_xpath('./xmlns:author/xmlns:uri', xmlns: OStatus::TagManager::XMLNS)&.content
-
-      return nil if username.blank? || uri.blank?
-
-      domain = Addressable::URI.parse(uri).normalized_host
-      acct   = "#{username}@#{domain}"
-    end
-
-    ResolveAccountService.new.call(acct, update_profile: update_profile)
-  end
-end
diff --git a/app/services/concerns/stream_entry_renderer.rb b/app/services/concerns/stream_entry_renderer.rb
deleted file mode 100644
index 9f6c8a082..000000000
--- a/app/services/concerns/stream_entry_renderer.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-module StreamEntryRenderer
-  def stream_entry_to_xml(stream_entry)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.entry(stream_entry, true))
-  end
-end
diff --git a/app/services/favourite_service.rb b/app/services/favourite_service.rb
index 128a24ad6..02b26458a 100644
--- a/app/services/favourite_service.rb
+++ b/app/services/favourite_service.rb
@@ -30,8 +30,6 @@ class FavouriteService < BaseService
 
     if status.account.local?
       NotifyService.new.call(status.account, favourite)
-    elsif status.account.ostatus?
-      NotificationWorker.perform_async(build_xml(favourite), favourite.account_id, status.account_id)
     elsif status.account.activitypub?
       ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
     end
@@ -46,8 +44,4 @@ class FavouriteService < BaseService
   def build_json(favourite)
     Oj.dump(serialize_payload(favourite, ActivityPub::LikeSerializer))
   end
-
-  def build_xml(favourite)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.favourite_salmon(favourite))
-  end
 end
diff --git a/app/services/fetch_remote_account_service.rb b/app/services/fetch_remote_account_service.rb
index cfc560022..a7f95603d 100644
--- a/app/services/fetch_remote_account_service.rb
+++ b/app/services/fetch_remote_account_service.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class FetchRemoteAccountService < BaseService
-  include AuthorExtractor
-
   def call(url, prefetched_body = nil, protocol = :ostatus)
     if prefetched_body.nil?
       resource_url, resource_options, protocol = FetchAtomService.new.call(url)
@@ -12,34 +10,8 @@ class FetchRemoteAccountService < BaseService
     end
 
     case protocol
-    when :ostatus
-      process_atom(resource_url, **resource_options)
     when :activitypub
       ActivityPub::FetchRemoteAccountService.new.call(resource_url, **resource_options)
     end
   end
-
-  private
-
-  def process_atom(url, prefetched_body:)
-    xml = Nokogiri::XML(prefetched_body)
-    xml.encoding = 'utf-8'
-
-    account = author_from_xml(xml.at_xpath('/xmlns:feed', xmlns: OStatus::TagManager::XMLNS), false)
-
-    UpdateRemoteProfileService.new.call(xml, account) if account.present? && trusted_domain?(url, account)
-
-    account
-  rescue TypeError
-    Rails.logger.debug "Unparseable URL given: #{url}"
-    nil
-  rescue Nokogiri::XML::XPath::SyntaxError
-    Rails.logger.debug 'Invalid XML or missing namespace'
-    nil
-  end
-
-  def trusted_domain?(url, account)
-    domain = Addressable::URI.parse(url).normalized_host
-    domain.casecmp(account.domain).zero? || domain.casecmp(Addressable::URI.parse(account.remote_url.presence || account.uri).normalized_host).zero?
-  end
 end
diff --git a/app/services/fetch_remote_status_service.rb b/app/services/fetch_remote_status_service.rb
index 9c3008035..aac39dfd5 100644
--- a/app/services/fetch_remote_status_service.rb
+++ b/app/services/fetch_remote_status_service.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class FetchRemoteStatusService < BaseService
-  include AuthorExtractor
-
   def call(url, prefetched_body = nil, protocol = :ostatus)
     if prefetched_body.nil?
       resource_url, resource_options, protocol = FetchAtomService.new.call(url)
@@ -12,34 +10,8 @@ class FetchRemoteStatusService < BaseService
     end
 
     case protocol
-    when :ostatus
-      process_atom(resource_url, **resource_options)
     when :activitypub
       ActivityPub::FetchRemoteStatusService.new.call(resource_url, **resource_options)
     end
   end
-
-  private
-
-  def process_atom(url, prefetched_body:)
-    Rails.logger.debug "Processing Atom for remote status at #{url}"
-
-    xml = Nokogiri::XML(prefetched_body)
-    xml.encoding = 'utf-8'
-
-    account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: OStatus::TagManager::XMLNS))
-    domain  = Addressable::URI.parse(url).normalized_host
-
-    return nil unless !account.nil? && confirmed_domain?(domain, account)
-
-    statuses = ProcessFeedService.new.call(prefetched_body, account)
-    statuses.first
-  rescue Nokogiri::XML::XPath::SyntaxError
-    Rails.logger.debug 'Invalid XML or missing namespace'
-    nil
-  end
-
-  def confirmed_domain?(domain, account)
-    account.domain.nil? || domain.casecmp(account.domain).zero? || domain.casecmp(Addressable::URI.parse(account.remote_url.presence || account.uri).normalized_host).zero?
-  end
 end
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 0305e2d62..8e118f5d3 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -13,7 +13,7 @@ class FollowService < BaseService
     target_account = ResolveAccountService.new.call(target_account, skip_webfinger: true)
 
     raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended?
-    raise Mastodon::NotPermittedError  if target_account.blocking?(source_account) || source_account.blocking?(target_account) || target_account.moved?
+    raise Mastodon::NotPermittedError  if target_account.blocking?(source_account) || source_account.blocking?(target_account) || target_account.moved? || (!target_account.local? && target_account.ostatus?)
 
     if source_account.following?(target_account)
       # We're already following this account, but we'll call follow! again to
@@ -32,7 +32,7 @@ class FollowService < BaseService
 
     if target_account.locked? || target_account.activitypub?
       request_follow(source_account, target_account, reblogs: reblogs)
-    else
+    elsif target_account.local?
       direct_follow(source_account, target_account, reblogs: reblogs)
     end
   end
@@ -44,9 +44,6 @@ class FollowService < BaseService
 
     if target_account.local?
       LocalNotificationWorker.perform_async(target_account.id, follow_request.id, follow_request.class.name)
-    elsif target_account.ostatus?
-      NotificationWorker.perform_async(build_follow_request_xml(follow_request), source_account.id, target_account.id)
-      AfterRemoteFollowRequestWorker.perform_async(follow_request.id)
     elsif target_account.activitypub?
       ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), source_account.id, target_account.inbox_url)
     end
@@ -57,27 +54,12 @@ class FollowService < BaseService
   def direct_follow(source_account, target_account, reblogs: true)
     follow = source_account.follow!(target_account, reblogs: reblogs)
 
-    if target_account.local?
-      LocalNotificationWorker.perform_async(target_account.id, follow.id, follow.class.name)
-    else
-      Pubsubhubbub::SubscribeWorker.perform_async(target_account.id) unless target_account.subscribed?
-      NotificationWorker.perform_async(build_follow_xml(follow), source_account.id, target_account.id)
-      AfterRemoteFollowWorker.perform_async(follow.id)
-    end
-
+    LocalNotificationWorker.perform_async(target_account.id, follow.id, follow.class.name)
     MergeWorker.perform_async(target_account.id, source_account.id)
 
     follow
   end
 
-  def build_follow_request_xml(follow_request)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_request_salmon(follow_request))
-  end
-
-  def build_follow_xml(follow)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_salmon(follow))
-  end
-
   def build_json(follow_request)
     Oj.dump(serialize_payload(follow_request, ActivityPub::FollowSerializer))
   end
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index 7830aee11..34ec6d504 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -88,7 +88,6 @@ class PostStatusService < BaseService
   def postprocess_status!
     LinkCrawlWorker.perform_async(@status.id) unless @status.spoiler_text?
     DistributionWorker.perform_async(@status.id)
-    Pubsubhubbub::DistributionWorker.perform_async(@status.stream_entry.id)
     ActivityPub::DistributionWorker.perform_async(@status.id)
     PollExpirationNotifyWorker.perform_at(@status.poll.expires_at, @status.poll.id) if @status.poll
   end
diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb
deleted file mode 100644
index 30a9dd85e..000000000
--- a/app/services/process_feed_service.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-class ProcessFeedService < BaseService
-  def call(body, account, **options)
-    @options = options
-
-    xml = Nokogiri::XML(body)
-    xml.encoding = 'utf-8'
-
-    update_author(body, account)
-    process_entries(xml, account)
-  end
-
-  private
-
-  def update_author(body, account)
-    RemoteProfileUpdateWorker.perform_async(account.id, body.force_encoding('UTF-8'), true)
-  end
-
-  def process_entries(xml, account)
-    xml.xpath('//xmlns:entry', xmlns: OStatus::TagManager::XMLNS).reverse_each.map { |entry| process_entry(entry, account) }.compact
-  end
-
-  def process_entry(xml, account)
-    activity = OStatus::Activity::General.new(xml, account, @options)
-    activity.specialize&.perform if activity.status?
-  rescue ActiveRecord::RecordInvalid => e
-    Rails.logger.debug "Nothing was saved for #{activity.id} because: #{e}"
-    nil
-  end
-end
diff --git a/app/services/process_interaction_service.rb b/app/services/process_interaction_service.rb
deleted file mode 100644
index 1fca3832b..000000000
--- a/app/services/process_interaction_service.rb
+++ /dev/null
@@ -1,151 +0,0 @@
-# frozen_string_literal: true
-
-class ProcessInteractionService < BaseService
-  include AuthorExtractor
-  include Authorization
-
-  # Record locally the remote interaction with our user
-  # @param [String] envelope Salmon envelope
-  # @param [Account] target_account Account the Salmon was addressed to
-  def call(envelope, target_account)
-    body = salmon.unpack(envelope)
-
-    xml = Nokogiri::XML(body)
-    xml.encoding = 'utf-8'
-
-    account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: OStatus::TagManager::XMLNS))
-
-    return if account.nil? || account.suspended?
-
-    if salmon.verify(envelope, account.keypair)
-      RemoteProfileUpdateWorker.perform_async(account.id, body.force_encoding('UTF-8'), true)
-
-      case verb(xml)
-      when :follow
-        follow!(account, target_account) unless target_account.locked? || target_account.blocking?(account) || target_account.domain_blocking?(account.domain)
-      when :request_friend
-        follow_request!(account, target_account) unless !target_account.locked? || target_account.blocking?(account) || target_account.domain_blocking?(account.domain)
-      when :authorize
-        authorize_follow_request!(account, target_account)
-      when :reject
-        reject_follow_request!(account, target_account)
-      when :unfollow
-        unfollow!(account, target_account)
-      when :favorite
-        favourite!(xml, account)
-      when :unfavorite
-        unfavourite!(xml, account)
-      when :post
-        add_post!(body, account) if mentions_account?(xml, target_account)
-      when :share
-        add_post!(body, account) unless status(xml).nil?
-      when :delete
-        delete_post!(xml, account)
-      when :block
-        reflect_block!(account, target_account)
-      when :unblock
-        reflect_unblock!(account, target_account)
-      end
-    end
-  rescue HTTP::Error, OStatus2::BadSalmonError, Mastodon::NotPermittedError
-    nil
-  end
-
-  private
-
-  def mentions_account?(xml, account)
-    xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]', xmlns: OStatus::TagManager::XMLNS).each { |mention_link| return true if [OStatus::TagManager.instance.uri_for(account), OStatus::TagManager.instance.url_for(account)].include?(mention_link.attribute('href').value) }
-    false
-  end
-
-  def verb(xml)
-    raw = xml.at_xpath('//activity:verb', activity: OStatus::TagManager::AS_XMLNS).content
-    OStatus::TagManager::VERBS.key(raw)
-  rescue
-    :post
-  end
-
-  def follow!(account, target_account)
-    follow = account.follow!(target_account)
-    FollowRequest.find_by(account: account, target_account: target_account)&.destroy
-    NotifyService.new.call(target_account, follow)
-  end
-
-  def follow_request!(account, target_account)
-    return if account.requested?(target_account)
-
-    follow_request = FollowRequest.create!(account: account, target_account: target_account)
-    NotifyService.new.call(target_account, follow_request)
-  end
-
-  def authorize_follow_request!(account, target_account)
-    follow_request = FollowRequest.find_by(account: target_account, target_account: account)
-    follow_request&.authorize!
-    Pubsubhubbub::SubscribeWorker.perform_async(account.id) unless account.subscribed?
-  end
-
-  def reject_follow_request!(account, target_account)
-    follow_request = FollowRequest.find_by(account: target_account, target_account: account)
-    follow_request&.reject!
-  end
-
-  def unfollow!(account, target_account)
-    account.unfollow!(target_account)
-    FollowRequest.find_by(account: account, target_account: target_account)&.destroy
-  end
-
-  def reflect_block!(account, target_account)
-    UnfollowService.new.call(target_account, account) if target_account.following?(account)
-    account.block!(target_account)
-  end
-
-  def reflect_unblock!(account, target_account)
-    UnblockService.new.call(account, target_account)
-  end
-
-  def delete_post!(xml, account)
-    status = Status.find(xml.at_xpath('//xmlns:id', xmlns: OStatus::TagManager::XMLNS).content)
-
-    return if status.nil?
-
-    authorize_with account, status, :destroy?
-
-    RemovalWorker.perform_async(status.id)
-  end
-
-  def favourite!(xml, from_account)
-    current_status = status(xml)
-
-    return if current_status.nil?
-
-    favourite = current_status.favourites.where(account: from_account).first_or_create!(account: from_account)
-    NotifyService.new.call(current_status.account, favourite)
-  end
-
-  def unfavourite!(xml, from_account)
-    current_status = status(xml)
-
-    return if current_status.nil?
-
-    favourite = current_status.favourites.where(account: from_account).first
-    favourite&.destroy
-  end
-
-  def add_post!(body, account)
-    ProcessingWorker.perform_async(account.id, body.force_encoding('UTF-8'))
-  end
-
-  def status(xml)
-    uri = activity_id(xml)
-    return nil unless OStatus::TagManager.instance.local_id?(uri)
-    Status.find(OStatus::TagManager.instance.unique_tag_to_local_id(uri, 'Status'))
-  end
-
-  def activity_id(xml)
-    xml.at_xpath('//activity:object', activity: OStatus::TagManager::AS_XMLNS).at_xpath('./xmlns:id', xmlns: OStatus::TagManager::XMLNS).content
-  end
-
-  def salmon
-    @salmon ||= OStatus2::Salmon.new
-  end
-end
diff --git a/app/services/process_mentions_service.rb b/app/services/process_mentions_service.rb
index bc607dff3..da52bff6a 100644
--- a/app/services/process_mentions_service.rb
+++ b/app/services/process_mentions_service.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 class ProcessMentionsService < BaseService
-  include StreamEntryRenderer
   include Payloadable
 
   # Scan status for mentions and fetch remote mentioned users, create
@@ -49,17 +48,11 @@ class ProcessMentionsService < BaseService
 
     if mentioned_account.local?
       LocalNotificationWorker.perform_async(mentioned_account.id, mention.id, mention.class.name)
-    elsif mentioned_account.ostatus? && !@status.stream_entry.hidden?
-      NotificationWorker.perform_async(ostatus_xml, @status.account_id, mentioned_account.id)
     elsif mentioned_account.activitypub?
       ActivityPub::DeliveryWorker.perform_async(activitypub_json, mention.status.account_id, mentioned_account.inbox_url)
     end
   end
 
-  def ostatus_xml
-    @ostatus_xml ||= stream_entry_to_xml(@status.stream_entry)
-  end
-
   def activitypub_json
     return @activitypub_json if defined?(@activitypub_json)
     @activitypub_json = Oj.dump(serialize_payload(@status, ActivityPub::ActivitySerializer, signer: @status.account))
diff --git a/app/services/pubsubhubbub/subscribe_service.rb b/app/services/pubsubhubbub/subscribe_service.rb
deleted file mode 100644
index 550da6328..000000000
--- a/app/services/pubsubhubbub/subscribe_service.rb
+++ /dev/null
@@ -1,53 +0,0 @@
-# frozen_string_literal: true
-
-class Pubsubhubbub::SubscribeService < BaseService
-  URL_PATTERN = /\A#{URI.regexp(%w(http https))}\z/
-
-  attr_reader :account, :callback, :secret,
-              :lease_seconds, :domain
-
-  def call(account, callback, secret, lease_seconds, verified_domain = nil)
-    @account       = account
-    @callback      = Addressable::URI.parse(callback).normalize.to_s
-    @secret        = secret
-    @lease_seconds = lease_seconds
-    @domain        = verified_domain
-
-    process_subscribe
-  end
-
-  private
-
-  def process_subscribe
-    if account.nil?
-      ['Invalid topic URL', 422]
-    elsif !valid_callback?
-      ['Invalid callback URL', 422]
-    elsif blocked_domain?
-      ['Callback URL not allowed', 403]
-    else
-      confirm_subscription
-      ['', 202]
-    end
-  end
-
-  def confirm_subscription
-    subscription = locate_subscription
-    Pubsubhubbub::ConfirmationWorker.perform_async(subscription.id, 'subscribe', secret, lease_seconds)
-  end
-
-  def valid_callback?
-    callback.present? && callback =~ URL_PATTERN
-  end
-
-  def blocked_domain?
-    DomainBlock.blocked? Addressable::URI.parse(callback).host
-  end
-
-  def locate_subscription
-    subscription = Subscription.find_or_initialize_by(account: account, callback_url: callback)
-    subscription.domain = domain
-    subscription.save!
-    subscription
-  end
-end
diff --git a/app/services/pubsubhubbub/unsubscribe_service.rb b/app/services/pubsubhubbub/unsubscribe_service.rb
deleted file mode 100644
index 646150f7b..000000000
--- a/app/services/pubsubhubbub/unsubscribe_service.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-class Pubsubhubbub::UnsubscribeService < BaseService
-  attr_reader :account, :callback
-
-  def call(account, callback)
-    @account  = account
-    @callback = Addressable::URI.parse(callback).normalize.to_s
-
-    process_unsubscribe
-  end
-
-  private
-
-  def process_unsubscribe
-    if account.nil?
-      ['Invalid topic URL', 422]
-    else
-      confirm_unsubscribe unless subscription.nil?
-      ['', 202]
-    end
-  end
-
-  def confirm_unsubscribe
-    Pubsubhubbub::ConfirmationWorker.perform_async(subscription.id, 'unsubscribe')
-  end
-
-  def subscription
-    @_subscription ||= Subscription.find_by(account: account, callback_url: callback)
-  end
-end
diff --git a/app/services/reblog_service.rb b/app/services/reblog_service.rb
index 9cf4bc128..3bb460fca 100644
--- a/app/services/reblog_service.rb
+++ b/app/services/reblog_service.rb
@@ -2,7 +2,6 @@
 
 class ReblogService < BaseService
   include Authorization
-  include StreamEntryRenderer
   include Payloadable
 
   # Reblog a status and notify its remote author
@@ -24,7 +23,6 @@ class ReblogService < BaseService
     reblog = account.statuses.create!(reblog: reblogged_status, text: '', visibility: visibility)
 
     DistributionWorker.perform_async(reblog.id)
-    Pubsubhubbub::DistributionWorker.perform_async(reblog.stream_entry.id)
     ActivityPub::DistributionWorker.perform_async(reblog.id)
 
     create_notification(reblog)
@@ -40,8 +38,6 @@ class ReblogService < BaseService
 
     if reblogged_status.account.local?
       LocalNotificationWorker.perform_async(reblogged_status.account_id, reblog.id, reblog.class.name)
-    elsif reblogged_status.account.ostatus?
-      NotificationWorker.perform_async(stream_entry_to_xml(reblog.stream_entry), reblog.account_id, reblogged_status.account_id)
     elsif reblogged_status.account.activitypub? && !reblogged_status.account.following?(reblog.account)
       ActivityPub::DeliveryWorker.perform_async(build_json(reblog), reblog.account_id, reblogged_status.account.inbox_url)
     end
diff --git a/app/services/reject_follow_service.rb b/app/services/reject_follow_service.rb
index f87d0ba91..bc0000c8c 100644
--- a/app/services/reject_follow_service.rb
+++ b/app/services/reject_follow_service.rb
@@ -6,25 +6,17 @@ class RejectFollowService < BaseService
   def call(source_account, target_account)
     follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
     follow_request.reject!
-    create_notification(follow_request) unless source_account.local?
+    create_notification(follow_request) if !source_account.local? && source_account.activitypub?
     follow_request
   end
 
   private
 
   def create_notification(follow_request)
-    if follow_request.account.ostatus?
-      NotificationWorker.perform_async(build_xml(follow_request), follow_request.target_account_id, follow_request.account_id)
-    elsif follow_request.account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
   end
 
   def build_json(follow_request)
     Oj.dump(serialize_payload(follow_request, ActivityPub::RejectFollowSerializer))
   end
-
-  def build_xml(follow_request)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.reject_follow_request_salmon(follow_request))
-  end
 end
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index 81adc5aae..a8c9100b3 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 class RemoveStatusService < BaseService
-  include StreamEntryRenderer
   include Redisable
   include Payloadable
 
@@ -78,11 +77,6 @@ class RemoveStatusService < BaseService
     target_accounts << @status.reblog.account if @status.reblog? && !@status.reblog.account.local?
     target_accounts.uniq!(&:id)
 
-    # Ostatus
-    NotificationWorker.push_bulk(target_accounts.select(&:ostatus?).uniq(&:domain)) do |target_account|
-      [salmon_xml, @account.id, target_account.id]
-    end
-
     # ActivityPub
     ActivityPub::DeliveryWorker.push_bulk(target_accounts.select(&:activitypub?).uniq(&:preferred_inbox_url)) do |target_account|
       [signed_activity_json, @account.id, target_account.preferred_inbox_url]
@@ -90,9 +84,6 @@ class RemoveStatusService < BaseService
   end
 
   def remove_from_remote_followers
-    # OStatus
-    Pubsubhubbub::RawDistributionWorker.perform_async(salmon_xml, @account.id)
-
     # ActivityPub
     ActivityPub::DeliveryWorker.push_bulk(@account.followers.inboxes) do |inbox_url|
       [signed_activity_json, @account.id, inbox_url]
@@ -111,10 +102,6 @@ class RemoveStatusService < BaseService
     end
   end
 
-  def salmon_xml
-    @salmon_xml ||= stream_entry_to_xml(@stream_entry)
-  end
-
   def signed_activity_json
     @signed_activity_json ||= Oj.dump(serialize_payload(@status, @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer, signer: @account))
   end
diff --git a/app/services/resolve_account_service.rb b/app/services/resolve_account_service.rb
index e557706da..0ea31a0d8 100644
--- a/app/services/resolve_account_service.rb
+++ b/app/services/resolve_account_service.rb
@@ -1,11 +1,10 @@
 # frozen_string_literal: true
 
+require_relative '../models/account'
+
 class ResolveAccountService < BaseService
-  include OStatus2::MagicKey
   include JsonLdHelper
 
-  DFRN_NS = 'http://purl.org/macgirvin/dfrn/1.0'
-
   # Find or create a local account for a remote user.
   # When creating, look up the user's webfinger and fetch all
   # important information from their feed
@@ -48,18 +47,16 @@ class ResolveAccountService < BaseService
       return
     end
 
-    return if links_missing? || auto_suspend?
     return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
+    return unless activitypub_ready?
 
     RedisLock.acquire(lock_options) do |lock|
       if lock.acquired?
         @account = Account.find_remote(@username, @domain)
 
-        if activitypub_ready? || @account&.activitypub?
-          handle_activitypub
-        else
-          handle_ostatus
-        end
+        next unless @account.nil? || @account.activitypub?
+
+        handle_activitypub
       else
         raise Mastodon::RaceConditionError
       end
@@ -73,38 +70,12 @@ class ResolveAccountService < BaseService
 
   private
 
-  def links_missing?
-    !(activitypub_ready? || ostatus_ready?)
-  end
-
-  def ostatus_ready?
-    !(@webfinger.link('http://schemas.google.com/g/2010#updates-from').nil? ||
-      @webfinger.link('salmon').nil? ||
-      @webfinger.link('http://webfinger.net/rel/profile-page').nil? ||
-      @webfinger.link('magic-public-key').nil? ||
-      canonical_uri.nil? ||
-      hub_url.nil?)
-  end
-
   def webfinger_update_due?
     @account.nil? || ((!@options[:skip_webfinger] || @account.ostatus?) && @account.possibly_stale?)
   end
 
   def activitypub_ready?
-    !@webfinger.link('self').nil? &&
-      ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@webfinger.link('self').type) &&
-      !actor_json.nil? &&
-      actor_json['inbox'].present?
-  end
-
-  def handle_ostatus
-    create_account if @account.nil?
-    update_account
-    update_account_profile if update_profile?
-  end
-
-  def update_profile?
-    @options[:update_profile]
+    !@webfinger.link('self').nil? && ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@webfinger.link('self').type)
   end
 
   def handle_activitypub
@@ -115,89 +86,10 @@ class ResolveAccountService < BaseService
     nil
   end
 
-  def create_account
-    Rails.logger.debug "Creating new remote account for #{@username}@#{@domain}"
-
-    @account = Account.new(username: @username, domain: @domain)
-    @account.suspended_at = domain_block.created_at if auto_suspend?
-    @account.silenced_at  = domain_block.created_at if auto_silence?
-    @account.private_key  = nil
-  end
-
-  def update_account
-    @account.last_webfingered_at = Time.now.utc
-    @account.protocol            = :ostatus
-    @account.remote_url          = atom_url
-    @account.salmon_url          = salmon_url
-    @account.url                 = url
-    @account.public_key          = public_key
-    @account.uri                 = canonical_uri
-    @account.hub_url             = hub_url
-    @account.save!
-  end
-
-  def auto_suspend?
-    domain_block&.suspend?
-  end
-
-  def auto_silence?
-    domain_block&.silence?
-  end
-
-  def domain_block
-    return @domain_block if defined?(@domain_block)
-    @domain_block = DomainBlock.rule_for(@domain)
-  end
-
-  def atom_url
-    @atom_url ||= @webfinger.link('http://schemas.google.com/g/2010#updates-from').href
-  end
-
-  def salmon_url
-    @salmon_url ||= @webfinger.link('salmon').href
-  end
-
   def actor_url
     @actor_url ||= @webfinger.link('self').href
   end
 
-  def url
-    @url ||= @webfinger.link('http://webfinger.net/rel/profile-page').href
-  end
-
-  def public_key
-    @public_key ||= magic_key_to_pem(@webfinger.link('magic-public-key').href)
-  end
-
-  def canonical_uri
-    return @canonical_uri if defined?(@canonical_uri)
-
-    author_uri = atom.at_xpath('/xmlns:feed/xmlns:author/xmlns:uri')
-
-    if author_uri.nil?
-      owner      = atom.at_xpath('/xmlns:feed').at_xpath('./dfrn:owner', dfrn: DFRN_NS)
-      author_uri = owner.at_xpath('./xmlns:uri') unless owner.nil?
-    end
-
-    @canonical_uri = author_uri.nil? ? nil : author_uri.content
-  end
-
-  def hub_url
-    return @hub_url if defined?(@hub_url)
-
-    hubs     = atom.xpath('//xmlns:link[@rel="hub"]')
-    @hub_url = hubs.empty? || hubs.first['href'].nil? ? nil : hubs.first['href']
-  end
-
-  def atom_body
-    return @atom_body if defined?(@atom_body)
-
-    @atom_body = Request.new(:get, atom_url).perform do |response|
-      raise Mastodon::UnexpectedResponseError, response unless response.code == 200
-      response.body_with_limit
-    end
-  end
-
   def actor_json
     return @actor_json if defined?(@actor_json)
 
@@ -205,15 +97,6 @@ class ResolveAccountService < BaseService
     @actor_json = supported_context?(json) && equals_or_includes_any?(json['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES) ? json : nil
   end
 
-  def atom
-    return @atom if defined?(@atom)
-    @atom = Nokogiri::XML(atom_body)
-  end
-
-  def update_account_profile
-    RemoteProfileUpdateWorker.perform_async(@account.id, atom_body.force_encoding('UTF-8'), false)
-  end
-
   def lock_options
     { redis: Redis.current, key: "resolve:#{@username}@#{@domain}" }
   end
diff --git a/app/services/send_interaction_service.rb b/app/services/send_interaction_service.rb
deleted file mode 100644
index 3419043e5..000000000
--- a/app/services/send_interaction_service.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-# frozen_string_literal: true
-
-class SendInteractionService < BaseService
-  # Send an Atom representation of an interaction to a remote Salmon endpoint
-  # @param [String] Entry XML
-  # @param [Account] source_account
-  # @param [Account] target_account
-  def call(xml, source_account, target_account)
-    @xml            = xml
-    @source_account = source_account
-    @target_account = target_account
-
-    return if !target_account.ostatus? || block_notification?
-
-    build_request.perform do |delivery|
-      raise Mastodon::UnexpectedResponseError, delivery unless delivery.code > 199 && delivery.code < 300
-    end
-  end
-
-  private
-
-  def build_request
-    request = Request.new(:post, @target_account.salmon_url, body: envelope)
-    request.add_headers('Content-Type' => 'application/magic-envelope+xml')
-    request
-  end
-
-  def envelope
-    salmon.pack(@xml, @source_account.keypair)
-  end
-
-  def block_notification?
-    DomainBlock.blocked?(@target_account.domain)
-  end
-
-  def salmon
-    @salmon ||= OStatus2::Salmon.new
-  end
-end
diff --git a/app/services/subscribe_service.rb b/app/services/subscribe_service.rb
deleted file mode 100644
index 83fd64396..000000000
--- a/app/services/subscribe_service.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-# frozen_string_literal: true
-
-class SubscribeService < BaseService
-  def call(account)
-    return if account.hub_url.blank?
-
-    @account        = account
-    @account.secret = SecureRandom.hex
-
-    build_request.perform do |response|
-      if response_failed_permanently? response
-        # We're not allowed to subscribe. Fail and move on.
-        @account.secret = ''
-        @account.save!
-      elsif response_successful? response
-        # The subscription will be confirmed asynchronously.
-        @account.save!
-      else
-        # The response was either a 429 rate limit, or a 5xx error.
-        # We need to retry at a later time. Fail loudly!
-        raise Mastodon::UnexpectedResponseError, response
-      end
-    end
-  end
-
-  private
-
-  def build_request
-    request = Request.new(:post, @account.hub_url, form: subscription_params)
-    request.on_behalf_of(some_local_account) if some_local_account
-    request
-  end
-
-  def subscription_params
-    {
-      'hub.topic': @account.remote_url,
-      'hub.mode': 'subscribe',
-      'hub.callback': api_subscription_url(@account.id),
-      'hub.verify': 'async',
-      'hub.secret': @account.secret,
-      'hub.lease_seconds': 7.days.seconds,
-    }
-  end
-
-  def some_local_account
-    @some_local_account ||= Account.local.without_suspended.first
-  end
-
-  # Any response in the 3xx or 4xx range, except for 429 (rate limit)
-  def response_failed_permanently?(response)
-    (response.status.redirect? || response.status.client_error?) && !response.status.too_many_requests?
-  end
-
-  # Any response in the 2xx range
-  def response_successful?(response)
-    response.status.success?
-  end
-end
diff --git a/app/services/unblock_service.rb b/app/services/unblock_service.rb
index 95a858e9f..c263ac8af 100644
--- a/app/services/unblock_service.rb
+++ b/app/services/unblock_service.rb
@@ -7,25 +7,17 @@ class UnblockService < BaseService
     return unless account.blocking?(target_account)
 
     unblock = account.unblock!(target_account)
-    create_notification(unblock) unless target_account.local?
+    create_notification(unblock) if !target_account.local? && target_account.activitypub?
     unblock
   end
 
   private
 
   def create_notification(unblock)
-    if unblock.target_account.ostatus?
-      NotificationWorker.perform_async(build_xml(unblock), unblock.account_id, unblock.target_account_id)
-    elsif unblock.target_account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(unblock), unblock.account_id, unblock.target_account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(unblock), unblock.account_id, unblock.target_account.inbox_url)
   end
 
   def build_json(unblock)
     Oj.dump(serialize_payload(unblock, ActivityPub::UndoBlockSerializer))
   end
-
-  def build_xml(block)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unblock_salmon(block))
-  end
 end
diff --git a/app/services/unfavourite_service.rb b/app/services/unfavourite_service.rb
index dcc890b7d..37917a64f 100644
--- a/app/services/unfavourite_service.rb
+++ b/app/services/unfavourite_service.rb
@@ -6,7 +6,7 @@ class UnfavouriteService < BaseService
   def call(account, status)
     favourite = Favourite.find_by!(account: account, status: status)
     favourite.destroy!
-    create_notification(favourite) unless status.local?
+    create_notification(favourite) if !status.account.local? && status.account.activitypub?
     favourite
   end
 
@@ -14,19 +14,10 @@ class UnfavouriteService < BaseService
 
   def create_notification(favourite)
     status = favourite.status
-
-    if status.account.ostatus?
-      NotificationWorker.perform_async(build_xml(favourite), favourite.account_id, status.account_id)
-    elsif status.account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
   end
 
   def build_json(favourite)
     Oj.dump(serialize_payload(favourite, ActivityPub::UndoLikeSerializer))
   end
-
-  def build_xml(favourite)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unfavourite_salmon(favourite))
-  end
 end
diff --git a/app/services/unfollow_service.rb b/app/services/unfollow_service.rb
index 17dc29735..b7033d7eb 100644
--- a/app/services/unfollow_service.rb
+++ b/app/services/unfollow_service.rb
@@ -21,8 +21,8 @@ class UnfollowService < BaseService
     return unless follow
 
     follow.destroy!
-    create_notification(follow) unless @target_account.local?
-    create_reject_notification(follow) if @target_account.local? && !@source_account.local?
+    create_notification(follow) if !@target_account.local? && @target_account.activitypub?
+    create_reject_notification(follow) if @target_account.local? && !@source_account.local? && @source_account.activitypub?
     UnmergeWorker.perform_async(@target_account.id, @source_account.id)
     follow
   end
@@ -38,16 +38,10 @@ class UnfollowService < BaseService
   end
 
   def create_notification(follow)
-    if follow.target_account.ostatus?
-      NotificationWorker.perform_async(build_xml(follow), follow.account_id, follow.target_account_id)
-    elsif follow.target_account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(follow), follow.account_id, follow.target_account.inbox_url)
-    end
+    ActivityPub::DeliveryWorker.perform_async(build_json(follow), follow.account_id, follow.target_account.inbox_url)
   end
 
   def create_reject_notification(follow)
-    # Rejecting an already-existing follow request
-    return unless follow.account.activitypub?
     ActivityPub::DeliveryWorker.perform_async(build_reject_json(follow), follow.target_account_id, follow.account.inbox_url)
   end
 
@@ -58,8 +52,4 @@ class UnfollowService < BaseService
   def build_reject_json(follow)
     Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer))
   end
-
-  def build_xml(follow)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unfollow_salmon(follow))
-  end
 end
diff --git a/app/services/unsubscribe_service.rb b/app/services/unsubscribe_service.rb
deleted file mode 100644
index 95c1fb4fc..000000000
--- a/app/services/unsubscribe_service.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-# frozen_string_literal: true
-
-class UnsubscribeService < BaseService
-  def call(account)
-    return if account.hub_url.blank?
-
-    @account = account
-
-    begin
-      build_request.perform do |response|
-        Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{response.status}" unless response.status.success?
-      end
-    rescue HTTP::Error, OpenSSL::SSL::SSLError => e
-      Rails.logger.debug "PuSH unsubscribe for #{@account.acct} failed: #{e}"
-    end
-
-    @account.secret = ''
-    @account.subscription_expires_at = nil
-    @account.save!
-  end
-
-  private
-
-  def build_request
-    Request.new(:post, @account.hub_url, form: subscription_params)
-  end
-
-  def subscription_params
-    {
-      'hub.topic': @account.remote_url,
-      'hub.mode': 'unsubscribe',
-      'hub.callback': api_subscription_url(@account.id),
-      'hub.verify': 'async',
-    }
-  end
-end
diff --git a/app/services/update_remote_profile_service.rb b/app/services/update_remote_profile_service.rb
deleted file mode 100644
index 403395a0d..000000000
--- a/app/services/update_remote_profile_service.rb
+++ /dev/null
@@ -1,66 +0,0 @@
-# frozen_string_literal: true
-
-class UpdateRemoteProfileService < BaseService
-  attr_reader :account, :remote_profile
-
-  def call(body, account, resubscribe = false)
-    @account        = account
-    @remote_profile = RemoteProfile.new(body)
-
-    return if remote_profile.root.nil?
-
-    update_account unless remote_profile.author.nil?
-
-    old_hub_url     = account.hub_url
-    account.hub_url = remote_profile.hub_link if remote_profile.hub_link.present? && remote_profile.hub_link != old_hub_url
-
-    account.save_with_optional_media!
-
-    Pubsubhubbub::SubscribeWorker.perform_async(account.id) if resubscribe && account.hub_url != old_hub_url
-  end
-
-  private
-
-  def update_account
-    account.display_name = remote_profile.display_name || ''
-    account.note         = remote_profile.note         || ''
-    account.locked       = remote_profile.locked?
-
-    if !account.suspended? && !DomainBlock.reject_media?(account.domain)
-      if remote_profile.avatar.present?
-        account.avatar_remote_url = remote_profile.avatar
-      else
-        account.avatar_remote_url = ''
-        account.avatar.destroy
-      end
-
-      if remote_profile.header.present?
-        account.header_remote_url = remote_profile.header
-      else
-        account.header_remote_url = ''
-        account.header.destroy
-      end
-
-      save_emojis if remote_profile.emojis.present?
-    end
-  end
-
-  def save_emojis
-    do_not_download = DomainBlock.reject_media?(account.domain)
-
-    return if do_not_download
-
-    remote_profile.emojis.each do |link|
-      next unless link['href'] && link['name']
-
-      shortcode = link['name'].delete(':')
-      emoji     = CustomEmoji.find_by(shortcode: shortcode, domain: account.domain)
-
-      next unless emoji.nil?
-
-      emoji = CustomEmoji.new(shortcode: shortcode, domain: account.domain)
-      emoji.image_remote_url = link['href']
-      emoji.save
-    end
-  end
-end
diff --git a/app/services/verify_salmon_service.rb b/app/services/verify_salmon_service.rb
deleted file mode 100644
index 205b35d8b..000000000
--- a/app/services/verify_salmon_service.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-# frozen_string_literal: true
-
-class VerifySalmonService < BaseService
-  include AuthorExtractor
-
-  def call(payload)
-    body = salmon.unpack(payload)
-
-    xml = Nokogiri::XML(body)
-    xml.encoding = 'utf-8'
-
-    account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: OStatus::TagManager::XMLNS))
-
-    if account.nil?
-      false
-    else
-      salmon.verify(payload, account.keypair)
-    end
-  end
-
-  private
-
-  def salmon
-    @salmon ||= OStatus2::Salmon.new
-  end
-end